Merge "Refactor HardwareLayer"
diff --git a/core/java/android/emoji/EmojiFactory.java b/core/java/android/emoji/EmojiFactory.java
index 8fd8695..aba990d 100644
--- a/core/java/android/emoji/EmojiFactory.java
+++ b/core/java/android/emoji/EmojiFactory.java
@@ -54,7 +54,7 @@
}
// A pointer to native EmojiFactory object.
- private int mNativeEmojiFactory;
+ private long mNativeEmojiFactory;
private String mName;
// Cache.
private Map<Integer, WeakReference<Bitmap>> mCache;
@@ -68,7 +68,7 @@
*
* This can be called from JNI code.
*/
- private EmojiFactory(int nativeEmojiFactory, String name) {
+ private EmojiFactory(long nativeEmojiFactory, String name) {
mNativeEmojiFactory = nativeEmojiFactory;
mName = name;
mCache = new CustomLinkedHashMap<Integer, WeakReference<Bitmap>>();
@@ -272,18 +272,18 @@
// native methods
- private native void nativeDestructor(int factory);
- private native Bitmap nativeGetBitmapFromAndroidPua(int nativeEmojiFactory, int AndroidPua);
- private native int nativeGetAndroidPuaFromVendorSpecificSjis(int nativeEmojiFactory,
+ private native void nativeDestructor(long nativeEmojiFactory);
+ private native Bitmap nativeGetBitmapFromAndroidPua(long nativeEmojiFactory, int AndroidPua);
+ private native int nativeGetAndroidPuaFromVendorSpecificSjis(long nativeEmojiFactory,
char sjis);
- private native int nativeGetVendorSpecificSjisFromAndroidPua(int nativeEmojiFactory,
+ private native int nativeGetVendorSpecificSjisFromAndroidPua(long nativeEmojiFactory,
int pua);
- private native int nativeGetAndroidPuaFromVendorSpecificPua(int nativeEmojiFactory,
+ private native int nativeGetAndroidPuaFromVendorSpecificPua(long nativeEmojiFactory,
int vsp);
- private native int nativeGetVendorSpecificPuaFromAndroidPua(int nativeEmojiFactory,
+ private native int nativeGetVendorSpecificPuaFromAndroidPua(long nativeEmojiFactory,
int pua);
- private native int nativeGetMaximumVendorSpecificPua(int nativeEmojiFactory);
- private native int nativeGetMinimumVendorSpecificPua(int nativeEmojiFactory);
- private native int nativeGetMaximumAndroidPua(int nativeEmojiFactory);
- private native int nativeGetMinimumAndroidPua(int nativeEmojiFactory);
+ private native int nativeGetMaximumVendorSpecificPua(long nativeEmojiFactory);
+ private native int nativeGetMinimumVendorSpecificPua(long nativeEmojiFactory);
+ private native int nativeGetMaximumAndroidPua(long nativeEmojiFactory);
+ private native int nativeGetMinimumAndroidPua(long nativeEmojiFactory);
}
diff --git a/core/java/com/android/server/SystemService.java b/core/java/com/android/server/SystemService.java
index d69293a..0c89f94 100644
--- a/core/java/com/android/server/SystemService.java
+++ b/core/java/com/android/server/SystemService.java
@@ -23,24 +23,24 @@
/**
* The base class for services running in the system process. Override and implement
* the lifecycle event callback methods as needed.
- *
+ * <p>
* The lifecycle of a SystemService:
- *
- * {@link #onCreate(android.content.Context)} is called to initialize the
- * service.
- *
- * {@link #onStart()} is called to get the service running. It is common
- * for services to publish their Binder interface at this point. All required
- * dependencies are also assumed to be ready to use.
- *
- * Then {@link #onBootPhase(int)} is called as many times as there are boot phases
+ * </p><ul>
+ * <li>The constructor is called and provided with the system {@link Context}
+ * to initialize the system service.
+ * <li>{@link #onStart()} is called to get the service running. The service should
+ * publish its binder interface at this point using
+ * {@link #publishBinderService(String, IBinder)}. It may also publish additional
+ * local interfaces that other services within the system server may use to access
+ * privileged internal functions.
+ * <li>Then {@link #onBootPhase(int)} is called as many times as there are boot phases
* until {@link #PHASE_BOOT_COMPLETE} is sent, which is the last boot phase. Each phase
* is an opportunity to do special work, like acquiring optional service dependencies,
* waiting to see if SafeMode is enabled, or registering with a service that gets
* started after this one.
- *
- * NOTE: All lifecycle methods are called from the same thread that created the
- * SystemService.
+ * </ul><p>
+ * NOTE: All lifecycle methods are called from the system server's main looper thread.
+ * </p>
*
* {@hide}
*/
@@ -54,17 +54,34 @@
public static final int PHASE_THIRD_PARTY_APPS_CAN_START = 600;
public static final int PHASE_BOOT_COMPLETE = 1000;
- private SystemServiceManager mManager;
- private Context mContext;
+ private final Context mContext;
- final void init(Context context, SystemServiceManager manager) {
+ /**
+ * Initializes the system service.
+ * <p>
+ * Subclasses must define a single argument constructor that accepts the context
+ * and passes it to super.
+ * </p>
+ *
+ * @param context The system server context.
+ */
+ public SystemService(Context context) {
mContext = context;
- mManager = manager;
- onCreate(context);
}
+ /**
+ * Gets the system context.
+ */
+ public final Context getContext() {
+ return mContext;
+ }
+
+ /**
+ * Returns true if the system is running in safe mode.
+ * TODO: we should define in which phase this becomes valid
+ */
public final boolean isSafeMode() {
- return mManager.isSafeMode();
+ return getManager().isSafeMode();
}
/**
@@ -126,8 +143,8 @@
return LocalServices.getService(type);
}
- public final Context getContext() {
- return mContext;
+ private SystemServiceManager getManager() {
+ return LocalServices.getService(SystemServiceManager.class);
}
// /**
diff --git a/core/java/com/android/server/SystemServiceManager.java b/core/java/com/android/server/SystemServiceManager.java
index 06ad7f4..6c853be 100644
--- a/core/java/com/android/server/SystemServiceManager.java
+++ b/core/java/com/android/server/SystemServiceManager.java
@@ -17,14 +17,15 @@
package com.android.server;
import android.content.Context;
-import android.util.Log;
import android.util.Slog;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
/**
* Manages creating, starting, and other lifecycle events of
- * {@link com.android.server.SystemService}s.
+ * {@link com.android.server.SystemService system services}.
*
* {@hide}
*/
@@ -68,24 +69,43 @@
*/
@SuppressWarnings("unchecked")
public <T extends SystemService> T startService(Class<T> serviceClass) {
- final T serviceInstance = (T)createInstance(serviceClass);
+ final String name = serviceClass.getName();
+ Slog.i(TAG, "Starting " + name);
+
+ // Create the service.
+ if (!SystemService.class.isAssignableFrom(serviceClass)) {
+ throw new RuntimeException("Failed to create " + name
+ + ": service must extend " + SystemService.class.getName());
+ }
+ final T service;
try {
- Slog.i(TAG, "Creating " + serviceClass.getSimpleName());
- serviceInstance.init(mContext, this);
- } catch (Throwable e) {
- throw new RuntimeException("Failed to create service " + serviceClass.getName(), e);
+ Constructor<T> constructor = serviceClass.getConstructor(Context.class);
+ service = constructor.newInstance(mContext);
+ } catch (InstantiationException ex) {
+ throw new RuntimeException("Failed to create service " + name
+ + ": service could not be instantiated", ex);
+ } catch (IllegalAccessException ex) {
+ throw new RuntimeException("Failed to create service " + name
+ + ": service must have a public constructor with a Context argument", ex);
+ } catch (NoSuchMethodException ex) {
+ throw new RuntimeException("Failed to create service " + name
+ + ": service must have a public constructor with a Context argument", ex);
+ } catch (InvocationTargetException ex) {
+ throw new RuntimeException("Failed to create service " + name
+ + ": service constructor threw an exception", ex);
}
- mServices.add(serviceInstance);
+ // Register it.
+ mServices.add(service);
+ // Start it.
try {
- Slog.i(TAG, "Starting " + serviceClass.getSimpleName());
- serviceInstance.onStart();
- } catch (Throwable e) {
- throw new RuntimeException("Failed to start service " + serviceClass.getName(), e);
+ service.onStart();
+ } catch (RuntimeException ex) {
+ throw new RuntimeException("Failed to start service " + name
+ + ": onStart threw an exception", ex);
}
-
- return serviceInstance;
+ return service;
}
/**
@@ -107,9 +127,11 @@
final SystemService service = mServices.get(i);
try {
service.onBootPhase(mCurrentPhase);
- } catch (Throwable e) {
- reportWtf("Service " + service.getClass().getName() +
- " threw an Exception processing boot phase " + mCurrentPhase, e);
+ } catch (Exception ex) {
+ throw new RuntimeException("Failed to boot service "
+ + service.getClass().getName()
+ + ": onBootPhase threw an exception during phase "
+ + mCurrentPhase, ex);
}
}
}
@@ -144,34 +166,4 @@
Slog.e(TAG, builder.toString());
}
-
- private SystemService createInstance(Class<?> clazz) {
- // Make sure it's a type we expect
- if (!SystemService.class.isAssignableFrom(clazz)) {
- reportWtf("Class " + clazz.getName() + " does not extend " +
- SystemService.class.getName());
- }
-
- try {
- return (SystemService) clazz.newInstance();
- } catch (InstantiationException e) {
- reportWtf("Class " + clazz.getName() + " is abstract", e);
- } catch (IllegalAccessException e) {
- reportWtf("Class " + clazz.getName() +
- " must have a public no-arg constructor", e);
- }
- return null;
- }
-
- private static void reportWtf(String message) {
- reportWtf(message, null);
- }
-
- private static void reportWtf(String message, Throwable e) {
- Slog.i(TAG, "******************************");
- Log.wtf(TAG, message, e);
-
- // Make sure we die
- throw new RuntimeException(message, e);
- }
}
diff --git a/core/jni/Android.mk b/core/jni/Android.mk
index d8041c5..f1047f3 100644
--- a/core/jni/Android.mk
+++ b/core/jni/Android.mk
@@ -194,7 +194,6 @@
libui \
libgui \
libinput \
- libinputflinger \
libcamera_client \
libcamera_metadata \
libskia \
diff --git a/core/jni/android/graphics/pdf/PdfDocument.cpp b/core/jni/android/graphics/pdf/PdfDocument.cpp
index 6175a8f..d54aaa8 100644
--- a/core/jni/android/graphics/pdf/PdfDocument.cpp
+++ b/core/jni/android/graphics/pdf/PdfDocument.cpp
@@ -113,24 +113,24 @@
PageRecord* mCurrentPage;
};
-static jint nativeCreateDocument(JNIEnv* env, jobject thiz) {
- return reinterpret_cast<jint>(new PdfDocument());
+static jlong nativeCreateDocument(JNIEnv* env, jobject thiz) {
+ return reinterpret_cast<jlong>(new PdfDocument());
}
-static jint nativeStartPage(JNIEnv* env, jobject thiz, jint documentPtr,
+static jlong nativeStartPage(JNIEnv* env, jobject thiz, jlong documentPtr,
jint pageWidth, jint pageHeight,
jint contentLeft, jint contentTop, jint contentRight, jint contentBottom) {
PdfDocument* document = reinterpret_cast<PdfDocument*>(documentPtr);
- return reinterpret_cast<jint>(document->startPage(pageWidth, pageHeight,
+ return reinterpret_cast<jlong>(document->startPage(pageWidth, pageHeight,
contentLeft, contentTop, contentRight, contentBottom));
}
-static void nativeFinishPage(JNIEnv* env, jobject thiz, jint documentPtr) {
+static void nativeFinishPage(JNIEnv* env, jobject thiz, jlong documentPtr) {
PdfDocument* document = reinterpret_cast<PdfDocument*>(documentPtr);
document->finishPage();
}
-static void nativeWriteTo(JNIEnv* env, jobject thiz, jint documentPtr, jobject out,
+static void nativeWriteTo(JNIEnv* env, jobject thiz, jlong documentPtr, jobject out,
jbyteArray chunk) {
PdfDocument* document = reinterpret_cast<PdfDocument*>(documentPtr);
SkWStream* skWStream = CreateJavaOutputStreamAdaptor(env, out, chunk);
@@ -138,17 +138,17 @@
delete skWStream;
}
-static void nativeClose(JNIEnv* env, jobject thiz, jint documentPtr) {
+static void nativeClose(JNIEnv* env, jobject thiz, jlong documentPtr) {
PdfDocument* document = reinterpret_cast<PdfDocument*>(documentPtr);
document->close();
}
static JNINativeMethod gPdfDocument_Methods[] = {
- {"nativeCreateDocument", "()I", (void*) nativeCreateDocument},
- {"nativeStartPage", "(IIIIIII)I", (void*) nativeStartPage},
- {"nativeFinishPage", "(I)V", (void*) nativeFinishPage},
- {"nativeWriteTo", "(ILjava/io/OutputStream;[B)V", (void*) nativeWriteTo},
- {"nativeClose", "(I)V", (void*) nativeClose}
+ {"nativeCreateDocument", "()J", (void*) nativeCreateDocument},
+ {"nativeStartPage", "(JIIIIII)J", (void*) nativeStartPage},
+ {"nativeFinishPage", "(J)V", (void*) nativeFinishPage},
+ {"nativeWriteTo", "(JLjava/io/OutputStream;[B)V", (void*) nativeWriteTo},
+ {"nativeClose", "(J)V", (void*) nativeClose}
};
int register_android_graphics_pdf_PdfDocument(JNIEnv* env) {
diff --git a/core/jni/android_emoji_EmojiFactory.cpp b/core/jni/android_emoji_EmojiFactory.cpp
index 5276934..f127d29 100644
--- a/core/jni/android_emoji_EmojiFactory.cpp
+++ b/core/jni/android_emoji_EmojiFactory.cpp
@@ -104,7 +104,7 @@
static jobject create_java_EmojiFactory(
JNIEnv* env, EmojiFactory* factory, jstring name) {
jobject obj = env->NewObject(gEmojiFactory_class, gEmojiFactory_constructorMethodID,
- static_cast<jint>(reinterpret_cast<uintptr_t>(factory)), name);
+ reinterpret_cast<jlong>(factory), name);
if (env->ExceptionCheck() != 0) {
ALOGE("*** Uncaught exception returned from Java call!\n");
env->ExceptionDescribe();
@@ -155,7 +155,7 @@
}
static jobject android_emoji_EmojiFactory_getBitmapFromAndroidPua(
- JNIEnv* env, jobject clazz, jint nativeEmojiFactory, jint pua) {
+ JNIEnv* env, jobject clazz, jlong nativeEmojiFactory, jint pua) {
EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory);
int size;
@@ -175,7 +175,7 @@
}
static void android_emoji_EmojiFactory_destructor(
- JNIEnv* env, jobject obj, jint nativeEmojiFactory) {
+ JNIEnv* env, jobject obj, jlong nativeEmojiFactory) {
/*
// Must not delete this object!!
EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory);
@@ -184,49 +184,49 @@
}
static jint android_emoji_EmojiFactory_getAndroidPuaFromVendorSpecificSjis(
- JNIEnv* env, jobject obj, jint nativeEmojiFactory, jchar sjis) {
+ JNIEnv* env, jobject obj, jlong nativeEmojiFactory, jchar sjis) {
EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory);
return factory->GetAndroidPuaFromVendorSpecificSjis(sjis);
}
static jint android_emoji_EmojiFactory_getVendorSpecificSjisFromAndroidPua(
- JNIEnv* env, jobject obj, jint nativeEmojiFactory, jint pua) {
+ JNIEnv* env, jobject obj, jlong nativeEmojiFactory, jint pua) {
EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory);
return factory->GetVendorSpecificSjisFromAndroidPua(pua);
}
static jint android_emoji_EmojiFactory_getAndroidPuaFromVendorSpecificPua(
- JNIEnv* env, jobject obj, jint nativeEmojiFactory, jint vsu) {
+ JNIEnv* env, jobject obj, jlong nativeEmojiFactory, jint vsu) {
EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory);
return factory->GetAndroidPuaFromVendorSpecificPua(vsu);
}
static jint android_emoji_EmojiFactory_getVendorSpecificPuaFromAndroidPua(
- JNIEnv* env, jobject obj, jint nativeEmojiFactory, jint pua) {
+ JNIEnv* env, jobject obj, jlong nativeEmojiFactory, jint pua) {
EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory);
return factory->GetVendorSpecificPuaFromAndroidPua(pua);
}
static jint android_emoji_EmojiFactory_getMaximumVendorSpecificPua(
- JNIEnv* env, jobject obj, jint nativeEmojiFactory) {
+ JNIEnv* env, jobject obj, jlong nativeEmojiFactory) {
EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory);
return factory->GetMaximumVendorSpecificPua();
}
static jint android_emoji_EmojiFactory_getMinimumVendorSpecificPua(
- JNIEnv* env, jobject obj, jint nativeEmojiFactory) {
+ JNIEnv* env, jobject obj, jlong nativeEmojiFactory) {
EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory);
return factory->GetMinimumVendorSpecificPua();
}
static jint android_emoji_EmojiFactory_getMaximumAndroidPua(
- JNIEnv* env, jobject obj, jint nativeEmojiFactory) {
+ JNIEnv* env, jobject obj, jlong nativeEmojiFactory) {
EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory);
return factory->GetMaximumAndroidPua();
}
static jint android_emoji_EmojiFactory_getMinimumAndroidPua(
- JNIEnv* env, jobject obj, jint nativeEmojiFactory) {
+ JNIEnv* env, jobject obj, jlong nativeEmojiFactory) {
EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory);
return factory->GetMinimumAndroidPua();
}
@@ -236,25 +236,25 @@
(void*)android_emoji_EmojiFactory_newInstance},
{ "newAvailableInstance", "()Landroid/emoji/EmojiFactory;",
(void*)android_emoji_EmojiFactory_newAvailableInstance},
- { "nativeDestructor", "(I)V",
+ { "nativeDestructor", "(J)V",
(void*)android_emoji_EmojiFactory_destructor},
- { "nativeGetBitmapFromAndroidPua", "(II)Landroid/graphics/Bitmap;",
+ { "nativeGetBitmapFromAndroidPua", "(JI)Landroid/graphics/Bitmap;",
(void*)android_emoji_EmojiFactory_getBitmapFromAndroidPua},
- { "nativeGetAndroidPuaFromVendorSpecificSjis", "(IC)I",
+ { "nativeGetAndroidPuaFromVendorSpecificSjis", "(JC)I",
(void*)android_emoji_EmojiFactory_getAndroidPuaFromVendorSpecificSjis},
- { "nativeGetVendorSpecificSjisFromAndroidPua", "(II)I",
+ { "nativeGetVendorSpecificSjisFromAndroidPua", "(JI)I",
(void*)android_emoji_EmojiFactory_getVendorSpecificSjisFromAndroidPua},
- { "nativeGetAndroidPuaFromVendorSpecificPua", "(II)I",
+ { "nativeGetAndroidPuaFromVendorSpecificPua", "(JI)I",
(void*)android_emoji_EmojiFactory_getAndroidPuaFromVendorSpecificPua},
- { "nativeGetVendorSpecificPuaFromAndroidPua", "(II)I",
+ { "nativeGetVendorSpecificPuaFromAndroidPua", "(JI)I",
(void*)android_emoji_EmojiFactory_getVendorSpecificPuaFromAndroidPua},
- { "nativeGetMaximumVendorSpecificPua", "(I)I",
+ { "nativeGetMaximumVendorSpecificPua", "(J)I",
(void*)android_emoji_EmojiFactory_getMaximumVendorSpecificPua},
- { "nativeGetMinimumVendorSpecificPua", "(I)I",
+ { "nativeGetMinimumVendorSpecificPua", "(J)I",
(void*)android_emoji_EmojiFactory_getMinimumVendorSpecificPua},
- { "nativeGetMaximumAndroidPua", "(I)I",
+ { "nativeGetMaximumAndroidPua", "(J)I",
(void*)android_emoji_EmojiFactory_getMaximumAndroidPua},
- { "nativeGetMinimumAndroidPua", "(I)I",
+ { "nativeGetMinimumAndroidPua", "(J)I",
(void*)android_emoji_EmojiFactory_getMinimumAndroidPua}
};
@@ -276,7 +276,7 @@
int register_android_emoji_EmojiFactory(JNIEnv* env) {
gEmojiFactory_class = make_globalref(env, "android/emoji/EmojiFactory");
gEmojiFactory_constructorMethodID = env->GetMethodID(
- gEmojiFactory_class, "<init>", "(ILjava/lang/String;)V");
+ gEmojiFactory_class, "<init>", "(JLjava/lang/String;)V");
return jniRegisterNativeMethods(env, "android/emoji/EmojiFactory",
gMethods, NELEM(gMethods));
}
diff --git a/core/jni/com_google_android_gles_jni_EGLImpl.cpp b/core/jni/com_google_android_gles_jni_EGLImpl.cpp
index a0982bd..3035d15 100644
--- a/core/jni/com_google_android_gles_jni_EGLImpl.cpp
+++ b/core/jni/com_google_android_gles_jni_EGLImpl.cpp
@@ -50,36 +50,41 @@
static inline EGLDisplay getDisplay(JNIEnv* env, jobject o) {
if (!o) return EGL_NO_DISPLAY;
- return (EGLDisplay)env->GetIntField(o, gDisplay_EGLDisplayFieldID);
+ return (EGLDisplay)env->GetLongField(o, gDisplay_EGLDisplayFieldID);
}
static inline EGLSurface getSurface(JNIEnv* env, jobject o) {
if (!o) return EGL_NO_SURFACE;
- return (EGLSurface)env->GetIntField(o, gSurface_EGLSurfaceFieldID);
+ return (EGLSurface)env->GetLongField(o, gSurface_EGLSurfaceFieldID);
}
static inline EGLContext getContext(JNIEnv* env, jobject o) {
if (!o) return EGL_NO_CONTEXT;
- return (EGLContext)env->GetIntField(o, gContext_EGLContextFieldID);
+ return (EGLContext)env->GetLongField(o, gContext_EGLContextFieldID);
}
static inline EGLConfig getConfig(JNIEnv* env, jobject o) {
if (!o) return 0;
- return (EGLConfig)env->GetIntField(o, gConfig_EGLConfigFieldID);
+ return (EGLConfig)env->GetLongField(o, gConfig_EGLConfigFieldID);
}
+
+static inline jboolean EglBoolToJBool(EGLBoolean eglBool) {
+ return eglBool == EGL_TRUE ? JNI_TRUE : JNI_FALSE;
+}
+
static void nativeClassInit(JNIEnv *_env, jclass eglImplClass)
{
jclass config_class = _env->FindClass("com/google/android/gles_jni/EGLConfigImpl");
gConfig_class = (jclass) _env->NewGlobalRef(config_class);
- gConfig_ctorID = _env->GetMethodID(gConfig_class, "<init>", "(I)V");
- gConfig_EGLConfigFieldID = _env->GetFieldID(gConfig_class, "mEGLConfig", "I");
+ gConfig_ctorID = _env->GetMethodID(gConfig_class, "<init>", "(J)V");
+ gConfig_EGLConfigFieldID = _env->GetFieldID(gConfig_class, "mEGLConfig", "J");
jclass display_class = _env->FindClass("com/google/android/gles_jni/EGLDisplayImpl");
- gDisplay_EGLDisplayFieldID = _env->GetFieldID(display_class, "mEGLDisplay", "I");
+ gDisplay_EGLDisplayFieldID = _env->GetFieldID(display_class, "mEGLDisplay", "J");
jclass context_class = _env->FindClass("com/google/android/gles_jni/EGLContextImpl");
- gContext_EGLContextFieldID = _env->GetFieldID(context_class, "mEGLContext", "I");
+ gContext_EGLContextFieldID = _env->GetFieldID(context_class, "mEGLContext", "J");
jclass surface_class = _env->FindClass("com/google/android/gles_jni/EGLSurfaceImpl");
- gSurface_EGLSurfaceFieldID = _env->GetFieldID(surface_class, "mEGLSurface", "I");
- gSurface_NativePixelRefFieldID = _env->GetFieldID(surface_class, "mNativePixelRef", "I");
+ gSurface_EGLSurfaceFieldID = _env->GetFieldID(surface_class, "mEGLSurface", "J");
+ gSurface_NativePixelRefFieldID = _env->GetFieldID(surface_class, "mNativePixelRef", "J");
jclass bitmap_class = _env->FindClass("android/graphics/Bitmap");
gBitmap_NativeBitmapFieldID = _env->GetFieldID(bitmap_class, "mNativeBitmap", "J");
@@ -123,7 +128,7 @@
}
EGLDisplay dpy = getDisplay(_env, display);
- jboolean success = eglInitialize(dpy, NULL, NULL);
+ EGLBoolean success = eglInitialize(dpy, NULL, NULL);
if (success && major_minor) {
int len = _env->GetArrayLength(major_minor);
if (len) {
@@ -134,7 +139,7 @@
_env->ReleasePrimitiveArrayCritical(major_minor, base, JNI_ABORT);
}
}
- return success;
+ return EglBoolToJBool(success);
}
static jboolean jni_eglQueryContext(JNIEnv *_env, jobject _this, jobject display,
@@ -146,14 +151,14 @@
}
EGLDisplay dpy = getDisplay(_env, display);
EGLContext ctx = getContext(_env, context);
- jboolean success = JNI_FALSE;
+ EGLBoolean success = EGL_FALSE;
int len = _env->GetArrayLength(value);
if (len) {
jint* base = (jint *)_env->GetPrimitiveArrayCritical(value, (jboolean *)0);
success = eglQueryContext(dpy, ctx, attribute, base);
_env->ReleasePrimitiveArrayCritical(value, base, JNI_ABORT);
}
- return success;
+ return EglBoolToJBool(success);
}
static jboolean jni_eglQuerySurface(JNIEnv *_env, jobject _this, jobject display,
@@ -166,14 +171,14 @@
EGLDisplay dpy = getDisplay(_env, display);
EGLContext sur = getSurface(_env, surface);
- jboolean success = JNI_FALSE;
+ EGLBoolean success = EGL_FALSE;
int len = _env->GetArrayLength(value);
if (len) {
jint* base = (jint *)_env->GetPrimitiveArrayCritical(value, (jboolean *)0);
success = eglQuerySurface(dpy, sur, attribute, base);
_env->ReleasePrimitiveArrayCritical(value, base, JNI_ABORT);
}
- return success;
+ return EglBoolToJBool(success);
}
static jint jni_getInitCount(JNIEnv *_env, jobject _clazz, jobject display) {
@@ -183,7 +188,7 @@
}
static jboolean jni_eglReleaseThread(JNIEnv *_env, jobject _this) {
- return eglReleaseThread();
+ return EglBoolToJBool(eglReleaseThread());
}
static jboolean jni_eglChooseConfig(JNIEnv *_env, jobject _this, jobject display,
@@ -196,7 +201,7 @@
return JNI_FALSE;
}
EGLDisplay dpy = getDisplay(_env, display);
- jboolean success = JNI_FALSE;
+ EGLBoolean success = EGL_FALSE;
if (configs == NULL) {
config_size = 0;
@@ -214,14 +219,14 @@
if (success && configs!=NULL) {
for (int i=0 ; i<num ; i++) {
- jobject obj = _env->NewObject(gConfig_class, gConfig_ctorID, (jint)nativeConfigs[i]);
+ jobject obj = _env->NewObject(gConfig_class, gConfig_ctorID, reinterpret_cast<jlong>(nativeConfigs[i]));
_env->SetObjectArrayElement(configs, i, obj);
}
}
- return success;
+ return EglBoolToJBool(success);
}
-static jint jni_eglCreateContext(JNIEnv *_env, jobject _this, jobject display,
+static jlong jni_eglCreateContext(JNIEnv *_env, jobject _this, jobject display,
jobject config, jobject share_context, jintArray attrib_list) {
if (display == NULL || config == NULL || share_context == NULL
|| !validAttribList(_env, attrib_list)) {
@@ -234,10 +239,10 @@
jint* base = beginNativeAttribList(_env, attrib_list);
EGLContext ctx = eglCreateContext(dpy, cnf, shr, base);
endNativeAttributeList(_env, attrib_list, base);
- return (jint)ctx;
+ return reinterpret_cast<jlong>(ctx);
}
-static jint jni_eglCreatePbufferSurface(JNIEnv *_env, jobject _this, jobject display,
+static jlong jni_eglCreatePbufferSurface(JNIEnv *_env, jobject _this, jobject display,
jobject config, jintArray attrib_list) {
if (display == NULL || config == NULL
|| !validAttribList(_env, attrib_list)) {
@@ -249,7 +254,7 @@
jint* base = beginNativeAttribList(_env, attrib_list);
EGLSurface sur = eglCreatePbufferSurface(dpy, cnf, base);
endNativeAttributeList(_env, attrib_list, base);
- return (jint)sur;
+ return reinterpret_cast<jlong>(sur);
}
static PixelFormat convertPixelFormat(SkBitmap::Config format)
@@ -300,15 +305,15 @@
endNativeAttributeList(_env, attrib_list, base);
if (sur != EGL_NO_SURFACE) {
- _env->SetIntField(out_sur, gSurface_EGLSurfaceFieldID, (int)sur);
- _env->SetIntField(out_sur, gSurface_NativePixelRefFieldID, (int)ref);
+ _env->SetLongField(out_sur, gSurface_EGLSurfaceFieldID, reinterpret_cast<jlong>(sur));
+ _env->SetLongField(out_sur, gSurface_NativePixelRefFieldID, reinterpret_cast<jlong>(ref));
} else {
ref->unlockPixels();
SkSafeUnref(ref);
}
}
-static jint jni_eglCreateWindowSurface(JNIEnv *_env, jobject _this, jobject display,
+static jlong jni_eglCreateWindowSurface(JNIEnv *_env, jobject _this, jobject display,
jobject config, jobject native_window, jintArray attrib_list) {
if (display == NULL || config == NULL
|| !validAttribList(_env, attrib_list)) {
@@ -332,15 +337,15 @@
jint* base = beginNativeAttribList(_env, attrib_list);
EGLSurface sur = eglCreateWindowSurface(dpy, cnf, window.get(), base);
endNativeAttributeList(_env, attrib_list, base);
- return (jint)sur;
+ return reinterpret_cast<jlong>(sur);
}
-static jint jni_eglCreateWindowSurfaceTexture(JNIEnv *_env, jobject _this, jobject display,
+static jlong jni_eglCreateWindowSurfaceTexture(JNIEnv *_env, jobject _this, jobject display,
jobject config, jobject native_window, jintArray attrib_list) {
if (display == NULL || config == NULL
|| !validAttribList(_env, attrib_list)) {
jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
- return JNI_FALSE;
+ return 0;
}
EGLDisplay dpy = getDisplay(_env, display);
EGLContext cnf = getConfig(_env, config);
@@ -360,7 +365,7 @@
jint* base = beginNativeAttribList(_env, attrib_list);
EGLSurface sur = eglCreateWindowSurface(dpy, cnf, window.get(), base);
endNativeAttributeList(_env, attrib_list, base);
- return (jint)sur;
+ return reinterpret_cast<jlong>(sur);
}
static jboolean jni_eglGetConfigAttrib(JNIEnv *_env, jobject _this, jobject display,
@@ -372,13 +377,13 @@
}
EGLDisplay dpy = getDisplay(_env, display);
EGLContext cnf = getConfig(_env, config);
- jboolean success = JNI_FALSE;
+ EGLBoolean success = EGL_FALSE;
jint localValue;
success = eglGetConfigAttrib(dpy, cnf, attribute, &localValue);
if (success) {
_env->SetIntArrayRegion(value, 0, 1, &localValue);
}
- return success;
+ return EglBoolToJBool(success);
}
static jboolean jni_eglGetConfigs(JNIEnv *_env, jobject _this, jobject display,
@@ -389,7 +394,7 @@
return JNI_FALSE;
}
EGLDisplay dpy = getDisplay(_env, display);
- jboolean success = JNI_FALSE;
+ EGLBoolean success = EGL_FALSE;
if (configs == NULL) {
config_size = 0;
}
@@ -401,11 +406,11 @@
}
if (success && configs) {
for (int i=0 ; i<num ; i++) {
- jobject obj = _env->NewObject(gConfig_class, gConfig_ctorID, (jint)nativeConfigs[i]);
+ jobject obj = _env->NewObject(gConfig_class, gConfig_ctorID, reinterpret_cast<jlong>(nativeConfigs[i]));
_env->SetObjectArrayElement(configs, i, obj);
}
}
- return success;
+ return EglBoolToJBool(success);
}
static jint jni_eglGetError(JNIEnv *_env, jobject _this) {
@@ -413,20 +418,20 @@
return error;
}
-static jint jni_eglGetCurrentContext(JNIEnv *_env, jobject _this) {
- return (jint)eglGetCurrentContext();
+static jlong jni_eglGetCurrentContext(JNIEnv *_env, jobject _this) {
+ return reinterpret_cast<jlong>(eglGetCurrentContext());
}
-static jint jni_eglGetCurrentDisplay(JNIEnv *_env, jobject _this) {
- return (jint)eglGetCurrentDisplay();
+static jlong jni_eglGetCurrentDisplay(JNIEnv *_env, jobject _this) {
+ return reinterpret_cast<jlong>(eglGetCurrentDisplay());
}
-static jint jni_eglGetCurrentSurface(JNIEnv *_env, jobject _this, jint readdraw) {
+static jlong jni_eglGetCurrentSurface(JNIEnv *_env, jobject _this, jint readdraw) {
if ((readdraw != EGL_READ) && (readdraw != EGL_DRAW)) {
jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
return 0;
}
- return (jint)eglGetCurrentSurface(readdraw);
+ return reinterpret_cast<jlong>(eglGetCurrentSurface(readdraw));
}
static jboolean jni_eglDestroyContext(JNIEnv *_env, jobject _this, jobject display, jobject context) {
@@ -436,7 +441,7 @@
}
EGLDisplay dpy = getDisplay(_env, display);
EGLContext ctx = getContext(_env, context);
- return eglDestroyContext(dpy, ctx);
+ return EglBoolToJBool(eglDestroyContext(dpy, ctx));
}
static jboolean jni_eglDestroySurface(JNIEnv *_env, jobject _this, jobject display, jobject surface) {
@@ -448,18 +453,18 @@
EGLSurface sur = getSurface(_env, surface);
if (sur) {
- SkPixelRef* ref = (SkPixelRef*)(_env->GetIntField(surface,
+ SkPixelRef* ref = (SkPixelRef*)(_env->GetLongField(surface,
gSurface_NativePixelRefFieldID));
if (ref) {
ref->unlockPixels();
SkSafeUnref(ref);
}
}
- return eglDestroySurface(dpy, sur);
+ return EglBoolToJBool(eglDestroySurface(dpy, sur));
}
-static jint jni_eglGetDisplay(JNIEnv *_env, jobject _this, jobject native_display) {
- return (jint)eglGetDisplay(EGL_DEFAULT_DISPLAY);
+static jlong jni_eglGetDisplay(JNIEnv *_env, jobject _this, jobject native_display) {
+ return reinterpret_cast<jlong>(eglGetDisplay(EGL_DEFAULT_DISPLAY));
}
static jboolean jni_eglMakeCurrent(JNIEnv *_env, jobject _this, jobject display, jobject draw, jobject read, jobject context) {
@@ -471,7 +476,7 @@
EGLSurface sdr = getSurface(_env, draw);
EGLSurface srd = getSurface(_env, read);
EGLContext ctx = getContext(_env, context);
- return eglMakeCurrent(dpy, sdr, srd, ctx);
+ return EglBoolToJBool(eglMakeCurrent(dpy, sdr, srd, ctx));
}
static jstring jni_eglQueryString(JNIEnv *_env, jobject _this, jobject display, jint name) {
@@ -491,7 +496,7 @@
}
EGLDisplay dpy = getDisplay(_env, display);
EGLSurface sur = getSurface(_env, surface);
- return eglSwapBuffers(dpy, sur);
+ return EglBoolToJBool(eglSwapBuffers(dpy, sur));
}
static jboolean jni_eglTerminate(JNIEnv *_env, jobject _this, jobject display) {
@@ -500,7 +505,7 @@
return JNI_FALSE;
}
EGLDisplay dpy = getDisplay(_env, display);
- return eglTerminate(dpy);
+ return EglBoolToJBool(eglTerminate(dpy));
}
static jboolean jni_eglCopyBuffers(JNIEnv *_env, jobject _this, jobject display,
@@ -514,11 +519,11 @@
}
static jboolean jni_eglWaitGL(JNIEnv *_env, jobject _this) {
- return eglWaitGL();
+ return EglBoolToJBool(eglWaitGL());
}
static jboolean jni_eglWaitNative(JNIEnv *_env, jobject _this, jint engine, jobject bindTarget) {
- return eglWaitNative(engine);
+ return EglBoolToJBool(eglWaitNative(engine));
}
@@ -540,21 +545,21 @@
{"eglReleaseThread","()Z", (void*)jni_eglReleaseThread },
{"getInitCount", "(" DISPLAY ")I", (void*)jni_getInitCount },
{"eglChooseConfig", "(" DISPLAY "[I[" CONFIG "I[I)Z", (void*)jni_eglChooseConfig },
-{"_eglCreateContext","(" DISPLAY CONFIG CONTEXT "[I)I", (void*)jni_eglCreateContext },
+{"_eglCreateContext","(" DISPLAY CONFIG CONTEXT "[I)J", (void*)jni_eglCreateContext },
{"eglGetConfigs", "(" DISPLAY "[" CONFIG "I[I)Z", (void*)jni_eglGetConfigs },
{"eglTerminate", "(" DISPLAY ")Z", (void*)jni_eglTerminate },
{"eglCopyBuffers", "(" DISPLAY SURFACE OBJECT ")Z", (void*)jni_eglCopyBuffers },
{"eglWaitNative", "(I" OBJECT ")Z", (void*)jni_eglWaitNative },
{"eglGetError", "()I", (void*)jni_eglGetError },
{"eglGetConfigAttrib", "(" DISPLAY CONFIG "I[I)Z", (void*)jni_eglGetConfigAttrib },
-{"_eglGetDisplay", "(" OBJECT ")I", (void*)jni_eglGetDisplay },
-{"_eglGetCurrentContext", "()I", (void*)jni_eglGetCurrentContext },
-{"_eglGetCurrentDisplay", "()I", (void*)jni_eglGetCurrentDisplay },
-{"_eglGetCurrentSurface", "(I)I", (void*)jni_eglGetCurrentSurface },
-{"_eglCreatePbufferSurface","(" DISPLAY CONFIG "[I)I", (void*)jni_eglCreatePbufferSurface },
+{"_eglGetDisplay", "(" OBJECT ")J", (void*)jni_eglGetDisplay },
+{"_eglGetCurrentContext", "()J", (void*)jni_eglGetCurrentContext },
+{"_eglGetCurrentDisplay", "()J", (void*)jni_eglGetCurrentDisplay },
+{"_eglGetCurrentSurface", "(I)J", (void*)jni_eglGetCurrentSurface },
+{"_eglCreatePbufferSurface","(" DISPLAY CONFIG "[I)J", (void*)jni_eglCreatePbufferSurface },
{"_eglCreatePixmapSurface", "(" SURFACE DISPLAY CONFIG OBJECT "[I)V", (void*)jni_eglCreatePixmapSurface },
-{"_eglCreateWindowSurface", "(" DISPLAY CONFIG OBJECT "[I)I", (void*)jni_eglCreateWindowSurface },
-{"_eglCreateWindowSurfaceTexture", "(" DISPLAY CONFIG OBJECT "[I)I", (void*)jni_eglCreateWindowSurfaceTexture },
+{"_eglCreateWindowSurface", "(" DISPLAY CONFIG OBJECT "[I)J", (void*)jni_eglCreateWindowSurface },
+{"_eglCreateWindowSurfaceTexture", "(" DISPLAY CONFIG OBJECT "[I)J", (void*)jni_eglCreateWindowSurfaceTexture },
{"eglDestroyContext", "(" DISPLAY CONTEXT ")Z", (void*)jni_eglDestroyContext },
{"eglDestroySurface", "(" DISPLAY SURFACE ")Z", (void*)jni_eglDestroySurface },
{"eglMakeCurrent", "(" DISPLAY SURFACE SURFACE CONTEXT")Z", (void*)jni_eglMakeCurrent },
diff --git a/graphics/java/android/graphics/pdf/PdfDocument.java b/graphics/java/android/graphics/pdf/PdfDocument.java
index 29d14a2..f5b07c1 100644
--- a/graphics/java/android/graphics/pdf/PdfDocument.java
+++ b/graphics/java/android/graphics/pdf/PdfDocument.java
@@ -82,7 +82,7 @@
private final List<PageInfo> mPages = new ArrayList<PageInfo>();
- private int mNativeDocument;
+ private long mNativeDocument;
private Page mCurrentPage;
@@ -235,20 +235,20 @@
}
}
- private native int nativeCreateDocument();
+ private native long nativeCreateDocument();
- private native void nativeClose(int document);
+ private native void nativeClose(long nativeDocument);
- private native void nativeFinishPage(int document);
+ private native void nativeFinishPage(long nativeDocument);
- private native void nativeWriteTo(int document, OutputStream out, byte[] chunk);
+ private native void nativeWriteTo(long nativeDocument, OutputStream out, byte[] chunk);
- private static native int nativeStartPage(int documentPtr, int pageWidth, int pageHeight,
+ private static native long nativeStartPage(long nativeDocument, int pageWidth, int pageHeight,
int contentLeft, int contentTop, int contentRight, int contentBottom);
private final class PdfCanvas extends Canvas {
- public PdfCanvas(int nativeCanvas) {
+ public PdfCanvas(long nativeCanvas) {
super(nativeCanvas);
}
diff --git a/libs/hwui/utils/TinyHashMap.h b/libs/hwui/utils/TinyHashMap.h
index 8855140..4ff9a42 100644
--- a/libs/hwui/utils/TinyHashMap.h
+++ b/libs/hwui/utils/TinyHashMap.h
@@ -24,8 +24,6 @@
/**
* A very simple hash map that doesn't allow duplicate keys, overwriting the older entry.
- *
- * Currently, expects simple keys that are handled by hash_t()
*/
template <typename TKey, typename TValue>
class TinyHashMap {
@@ -36,7 +34,7 @@
* Puts an entry in the hash, removing any existing entry with the same key
*/
void put(TKey key, TValue value) {
- hash_t hash = hash_t(key);
+ hash_t hash = android::hash_type(key);
ssize_t index = mTable.find(-1, hash, key);
if (index != -1) {
@@ -51,7 +49,7 @@
* Return true if key is in the map, in which case stores the value in the output ref
*/
bool get(TKey key, TValue& outValue) {
- hash_t hash = hash_t(key);
+ hash_t hash = android::hash_type(key);
ssize_t index = mTable.find(-1, hash, key);
if (index == -1) {
return false;
diff --git a/libs/input/Android.mk b/libs/input/Android.mk
index 6011ff0..eb2bebe 100644
--- a/libs/input/Android.mk
+++ b/libs/input/Android.mk
@@ -17,23 +17,30 @@
include $(CLEAR_VARS)
LOCAL_SRC_FILES:= \
+ EventHub.cpp \
+ InputApplication.cpp \
+ InputDispatcher.cpp \
+ InputListener.cpp \
+ InputManager.cpp \
+ InputReader.cpp \
+ InputWindow.cpp \
PointerController.cpp \
SpriteController.cpp
LOCAL_SHARED_LIBRARIES := \
libcutils \
liblog \
+ libandroidfw \
libutils \
+ libhardware \
+ libhardware_legacy \
libskia \
libgui \
libui \
- libinput \
- libinputflinger
+ libinput
LOCAL_C_INCLUDES := \
- external/skia/include/core \
- frameworks/native/services
-
+ external/skia/include/core
LOCAL_CFLAGS += -Wno-unused-parameter
diff --git a/libs/input/EventHub.cpp b/libs/input/EventHub.cpp
new file mode 100644
index 0000000..e2efd17
--- /dev/null
+++ b/libs/input/EventHub.cpp
@@ -0,0 +1,1669 @@
+/*
+ * Copyright (C) 2005 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "EventHub"
+
+// #define LOG_NDEBUG 0
+
+#include "EventHub.h"
+
+#include <hardware_legacy/power.h>
+
+#include <cutils/properties.h>
+#include <utils/Log.h>
+#include <utils/Timers.h>
+#include <utils/threads.h>
+#include <utils/Errors.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <memory.h>
+#include <errno.h>
+#include <assert.h>
+
+#include <input/KeyLayoutMap.h>
+#include <input/KeyCharacterMap.h>
+#include <input/VirtualKeyMap.h>
+
+#include <string.h>
+#include <stdint.h>
+#include <dirent.h>
+
+#include <sys/inotify.h>
+#include <sys/epoll.h>
+#include <sys/ioctl.h>
+#include <sys/limits.h>
+#include <sys/sha1.h>
+#include <sys/utsname.h>
+
+/* this macro is used to tell if "bit" is set in "array"
+ * it selects a byte from the array, and does a boolean AND
+ * operation with a byte that only has the relevant bit set.
+ * eg. to check for the 12th bit, we do (array[1] & 1<<4)
+ */
+#define test_bit(bit, array) (array[bit/8] & (1<<(bit%8)))
+
+/* this macro computes the number of bytes needed to represent a bit array of the specified size */
+#define sizeof_bit_array(bits) ((bits + 7) / 8)
+
+#define INDENT " "
+#define INDENT2 " "
+#define INDENT3 " "
+
+namespace android {
+
+static const char *WAKE_LOCK_ID = "KeyEvents";
+static const char *DEVICE_PATH = "/dev/input";
+
+/* return the larger integer */
+static inline int max(int v1, int v2)
+{
+ return (v1 > v2) ? v1 : v2;
+}
+
+static inline const char* toString(bool value) {
+ return value ? "true" : "false";
+}
+
+static String8 sha1(const String8& in) {
+ SHA1_CTX ctx;
+ SHA1Init(&ctx);
+ SHA1Update(&ctx, reinterpret_cast<const u_char*>(in.string()), in.size());
+ u_char digest[SHA1_DIGEST_LENGTH];
+ SHA1Final(digest, &ctx);
+
+ String8 out;
+ for (size_t i = 0; i < SHA1_DIGEST_LENGTH; i++) {
+ out.appendFormat("%02x", digest[i]);
+ }
+ return out;
+}
+
+static void getLinuxRelease(int* major, int* minor) {
+ struct utsname info;
+ if (uname(&info) || sscanf(info.release, "%d.%d", major, minor) <= 0) {
+ *major = 0, *minor = 0;
+ ALOGE("Could not get linux version: %s", strerror(errno));
+ }
+}
+
+// --- Global Functions ---
+
+uint32_t getAbsAxisUsage(int32_t axis, uint32_t deviceClasses) {
+ // Touch devices get dibs on touch-related axes.
+ if (deviceClasses & INPUT_DEVICE_CLASS_TOUCH) {
+ switch (axis) {
+ case ABS_X:
+ case ABS_Y:
+ case ABS_PRESSURE:
+ case ABS_TOOL_WIDTH:
+ case ABS_DISTANCE:
+ case ABS_TILT_X:
+ case ABS_TILT_Y:
+ case ABS_MT_SLOT:
+ case ABS_MT_TOUCH_MAJOR:
+ case ABS_MT_TOUCH_MINOR:
+ case ABS_MT_WIDTH_MAJOR:
+ case ABS_MT_WIDTH_MINOR:
+ case ABS_MT_ORIENTATION:
+ case ABS_MT_POSITION_X:
+ case ABS_MT_POSITION_Y:
+ case ABS_MT_TOOL_TYPE:
+ case ABS_MT_BLOB_ID:
+ case ABS_MT_TRACKING_ID:
+ case ABS_MT_PRESSURE:
+ case ABS_MT_DISTANCE:
+ return INPUT_DEVICE_CLASS_TOUCH;
+ }
+ }
+
+ // Joystick devices get the rest.
+ return deviceClasses & INPUT_DEVICE_CLASS_JOYSTICK;
+}
+
+// --- EventHub::Device ---
+
+EventHub::Device::Device(int fd, int32_t id, const String8& path,
+ const InputDeviceIdentifier& identifier) :
+ next(NULL),
+ fd(fd), id(id), path(path), identifier(identifier),
+ classes(0), configuration(NULL), virtualKeyMap(NULL),
+ ffEffectPlaying(false), ffEffectId(-1), controllerNumber(0),
+ timestampOverrideSec(0), timestampOverrideUsec(0) {
+ memset(keyBitmask, 0, sizeof(keyBitmask));
+ memset(absBitmask, 0, sizeof(absBitmask));
+ memset(relBitmask, 0, sizeof(relBitmask));
+ memset(swBitmask, 0, sizeof(swBitmask));
+ memset(ledBitmask, 0, sizeof(ledBitmask));
+ memset(ffBitmask, 0, sizeof(ffBitmask));
+ memset(propBitmask, 0, sizeof(propBitmask));
+}
+
+EventHub::Device::~Device() {
+ close();
+ delete configuration;
+ delete virtualKeyMap;
+}
+
+void EventHub::Device::close() {
+ if (fd >= 0) {
+ ::close(fd);
+ fd = -1;
+ }
+}
+
+
+// --- EventHub ---
+
+const uint32_t EventHub::EPOLL_ID_INOTIFY;
+const uint32_t EventHub::EPOLL_ID_WAKE;
+const int EventHub::EPOLL_SIZE_HINT;
+const int EventHub::EPOLL_MAX_EVENTS;
+
+EventHub::EventHub(void) :
+ mBuiltInKeyboardId(NO_BUILT_IN_KEYBOARD), mNextDeviceId(1), mControllerNumbers(),
+ mOpeningDevices(0), mClosingDevices(0),
+ mNeedToSendFinishedDeviceScan(false),
+ mNeedToReopenDevices(false), mNeedToScanDevices(true),
+ mPendingEventCount(0), mPendingEventIndex(0), mPendingINotify(false) {
+ acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID);
+
+ mEpollFd = epoll_create(EPOLL_SIZE_HINT);
+ LOG_ALWAYS_FATAL_IF(mEpollFd < 0, "Could not create epoll instance. errno=%d", errno);
+
+ mINotifyFd = inotify_init();
+ int result = inotify_add_watch(mINotifyFd, DEVICE_PATH, IN_DELETE | IN_CREATE);
+ LOG_ALWAYS_FATAL_IF(result < 0, "Could not register INotify for %s. errno=%d",
+ DEVICE_PATH, errno);
+
+ struct epoll_event eventItem;
+ memset(&eventItem, 0, sizeof(eventItem));
+ eventItem.events = EPOLLIN;
+ eventItem.data.u32 = EPOLL_ID_INOTIFY;
+ result = epoll_ctl(mEpollFd, EPOLL_CTL_ADD, mINotifyFd, &eventItem);
+ LOG_ALWAYS_FATAL_IF(result != 0, "Could not add INotify to epoll instance. errno=%d", errno);
+
+ int wakeFds[2];
+ result = pipe(wakeFds);
+ LOG_ALWAYS_FATAL_IF(result != 0, "Could not create wake pipe. errno=%d", errno);
+
+ mWakeReadPipeFd = wakeFds[0];
+ mWakeWritePipeFd = wakeFds[1];
+
+ result = fcntl(mWakeReadPipeFd, F_SETFL, O_NONBLOCK);
+ LOG_ALWAYS_FATAL_IF(result != 0, "Could not make wake read pipe non-blocking. errno=%d",
+ errno);
+
+ result = fcntl(mWakeWritePipeFd, F_SETFL, O_NONBLOCK);
+ LOG_ALWAYS_FATAL_IF(result != 0, "Could not make wake write pipe non-blocking. errno=%d",
+ errno);
+
+ eventItem.data.u32 = EPOLL_ID_WAKE;
+ result = epoll_ctl(mEpollFd, EPOLL_CTL_ADD, mWakeReadPipeFd, &eventItem);
+ LOG_ALWAYS_FATAL_IF(result != 0, "Could not add wake read pipe to epoll instance. errno=%d",
+ errno);
+
+ int major, minor;
+ getLinuxRelease(&major, &minor);
+ // EPOLLWAKEUP was introduced in kernel 3.5
+ mUsingEpollWakeup = major > 3 || (major == 3 && minor >= 5);
+}
+
+EventHub::~EventHub(void) {
+ closeAllDevicesLocked();
+
+ while (mClosingDevices) {
+ Device* device = mClosingDevices;
+ mClosingDevices = device->next;
+ delete device;
+ }
+
+ ::close(mEpollFd);
+ ::close(mINotifyFd);
+ ::close(mWakeReadPipeFd);
+ ::close(mWakeWritePipeFd);
+
+ release_wake_lock(WAKE_LOCK_ID);
+}
+
+InputDeviceIdentifier EventHub::getDeviceIdentifier(int32_t deviceId) const {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device == NULL) return InputDeviceIdentifier();
+ return device->identifier;
+}
+
+uint32_t EventHub::getDeviceClasses(int32_t deviceId) const {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device == NULL) return 0;
+ return device->classes;
+}
+
+int32_t EventHub::getDeviceControllerNumber(int32_t deviceId) const {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device == NULL) return 0;
+ return device->controllerNumber;
+}
+
+void EventHub::getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device && device->configuration) {
+ *outConfiguration = *device->configuration;
+ } else {
+ outConfiguration->clear();
+ }
+}
+
+status_t EventHub::getAbsoluteAxisInfo(int32_t deviceId, int axis,
+ RawAbsoluteAxisInfo* outAxisInfo) const {
+ outAxisInfo->clear();
+
+ if (axis >= 0 && axis <= ABS_MAX) {
+ AutoMutex _l(mLock);
+
+ Device* device = getDeviceLocked(deviceId);
+ if (device && !device->isVirtual() && test_bit(axis, device->absBitmask)) {
+ struct input_absinfo info;
+ if(ioctl(device->fd, EVIOCGABS(axis), &info)) {
+ ALOGW("Error reading absolute controller %d for device %s fd %d, errno=%d",
+ axis, device->identifier.name.string(), device->fd, errno);
+ return -errno;
+ }
+
+ if (info.minimum != info.maximum) {
+ outAxisInfo->valid = true;
+ outAxisInfo->minValue = info.minimum;
+ outAxisInfo->maxValue = info.maximum;
+ outAxisInfo->flat = info.flat;
+ outAxisInfo->fuzz = info.fuzz;
+ outAxisInfo->resolution = info.resolution;
+ }
+ return OK;
+ }
+ }
+ return -1;
+}
+
+bool EventHub::hasRelativeAxis(int32_t deviceId, int axis) const {
+ if (axis >= 0 && axis <= REL_MAX) {
+ AutoMutex _l(mLock);
+
+ Device* device = getDeviceLocked(deviceId);
+ if (device) {
+ return test_bit(axis, device->relBitmask);
+ }
+ }
+ return false;
+}
+
+bool EventHub::hasInputProperty(int32_t deviceId, int property) const {
+ if (property >= 0 && property <= INPUT_PROP_MAX) {
+ AutoMutex _l(mLock);
+
+ Device* device = getDeviceLocked(deviceId);
+ if (device) {
+ return test_bit(property, device->propBitmask);
+ }
+ }
+ return false;
+}
+
+int32_t EventHub::getScanCodeState(int32_t deviceId, int32_t scanCode) const {
+ if (scanCode >= 0 && scanCode <= KEY_MAX) {
+ AutoMutex _l(mLock);
+
+ Device* device = getDeviceLocked(deviceId);
+ if (device && !device->isVirtual() && test_bit(scanCode, device->keyBitmask)) {
+ uint8_t keyState[sizeof_bit_array(KEY_MAX + 1)];
+ memset(keyState, 0, sizeof(keyState));
+ if (ioctl(device->fd, EVIOCGKEY(sizeof(keyState)), keyState) >= 0) {
+ return test_bit(scanCode, keyState) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
+ }
+ }
+ }
+ return AKEY_STATE_UNKNOWN;
+}
+
+int32_t EventHub::getKeyCodeState(int32_t deviceId, int32_t keyCode) const {
+ AutoMutex _l(mLock);
+
+ Device* device = getDeviceLocked(deviceId);
+ if (device && !device->isVirtual() && device->keyMap.haveKeyLayout()) {
+ Vector<int32_t> scanCodes;
+ device->keyMap.keyLayoutMap->findScanCodesForKey(keyCode, &scanCodes);
+ if (scanCodes.size() != 0) {
+ uint8_t keyState[sizeof_bit_array(KEY_MAX + 1)];
+ memset(keyState, 0, sizeof(keyState));
+ if (ioctl(device->fd, EVIOCGKEY(sizeof(keyState)), keyState) >= 0) {
+ for (size_t i = 0; i < scanCodes.size(); i++) {
+ int32_t sc = scanCodes.itemAt(i);
+ if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, keyState)) {
+ return AKEY_STATE_DOWN;
+ }
+ }
+ return AKEY_STATE_UP;
+ }
+ }
+ }
+ return AKEY_STATE_UNKNOWN;
+}
+
+int32_t EventHub::getSwitchState(int32_t deviceId, int32_t sw) const {
+ if (sw >= 0 && sw <= SW_MAX) {
+ AutoMutex _l(mLock);
+
+ Device* device = getDeviceLocked(deviceId);
+ if (device && !device->isVirtual() && test_bit(sw, device->swBitmask)) {
+ uint8_t swState[sizeof_bit_array(SW_MAX + 1)];
+ memset(swState, 0, sizeof(swState));
+ if (ioctl(device->fd, EVIOCGSW(sizeof(swState)), swState) >= 0) {
+ return test_bit(sw, swState) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
+ }
+ }
+ }
+ return AKEY_STATE_UNKNOWN;
+}
+
+status_t EventHub::getAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t* outValue) const {
+ *outValue = 0;
+
+ if (axis >= 0 && axis <= ABS_MAX) {
+ AutoMutex _l(mLock);
+
+ Device* device = getDeviceLocked(deviceId);
+ if (device && !device->isVirtual() && test_bit(axis, device->absBitmask)) {
+ struct input_absinfo info;
+ if(ioctl(device->fd, EVIOCGABS(axis), &info)) {
+ ALOGW("Error reading absolute controller %d for device %s fd %d, errno=%d",
+ axis, device->identifier.name.string(), device->fd, errno);
+ return -errno;
+ }
+
+ *outValue = info.value;
+ return OK;
+ }
+ }
+ return -1;
+}
+
+bool EventHub::markSupportedKeyCodes(int32_t deviceId, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) const {
+ AutoMutex _l(mLock);
+
+ Device* device = getDeviceLocked(deviceId);
+ if (device && device->keyMap.haveKeyLayout()) {
+ Vector<int32_t> scanCodes;
+ for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) {
+ scanCodes.clear();
+
+ status_t err = device->keyMap.keyLayoutMap->findScanCodesForKey(
+ keyCodes[codeIndex], &scanCodes);
+ if (! err) {
+ // check the possible scan codes identified by the layout map against the
+ // map of codes actually emitted by the driver
+ for (size_t sc = 0; sc < scanCodes.size(); sc++) {
+ if (test_bit(scanCodes[sc], device->keyBitmask)) {
+ outFlags[codeIndex] = 1;
+ break;
+ }
+ }
+ }
+ }
+ return true;
+ }
+ return false;
+}
+
+status_t EventHub::mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
+ int32_t* outKeycode, uint32_t* outFlags) const {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+
+ if (device) {
+ // Check the key character map first.
+ sp<KeyCharacterMap> kcm = device->getKeyCharacterMap();
+ if (kcm != NULL) {
+ if (!kcm->mapKey(scanCode, usageCode, outKeycode)) {
+ *outFlags = 0;
+ return NO_ERROR;
+ }
+ }
+
+ // Check the key layout next.
+ if (device->keyMap.haveKeyLayout()) {
+ if (!device->keyMap.keyLayoutMap->mapKey(
+ scanCode, usageCode, outKeycode, outFlags)) {
+ return NO_ERROR;
+ }
+ }
+ }
+
+ *outKeycode = 0;
+ *outFlags = 0;
+ return NAME_NOT_FOUND;
+}
+
+status_t EventHub::mapAxis(int32_t deviceId, int32_t scanCode, AxisInfo* outAxisInfo) const {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+
+ if (device && device->keyMap.haveKeyLayout()) {
+ status_t err = device->keyMap.keyLayoutMap->mapAxis(scanCode, outAxisInfo);
+ if (err == NO_ERROR) {
+ return NO_ERROR;
+ }
+ }
+
+ return NAME_NOT_FOUND;
+}
+
+void EventHub::setExcludedDevices(const Vector<String8>& devices) {
+ AutoMutex _l(mLock);
+
+ mExcludedDevices = devices;
+}
+
+bool EventHub::hasScanCode(int32_t deviceId, int32_t scanCode) const {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device && scanCode >= 0 && scanCode <= KEY_MAX) {
+ if (test_bit(scanCode, device->keyBitmask)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+bool EventHub::hasLed(int32_t deviceId, int32_t led) const {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ int32_t sc;
+ if (device && mapLed(device, led, &sc) == NO_ERROR) {
+ if (test_bit(sc, device->ledBitmask)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+void EventHub::setLedState(int32_t deviceId, int32_t led, bool on) {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ setLedStateLocked(device, led, on);
+}
+
+void EventHub::setLedStateLocked(Device* device, int32_t led, bool on) {
+ int32_t sc;
+ if (device && !device->isVirtual() && mapLed(device, led, &sc) != NAME_NOT_FOUND) {
+ struct input_event ev;
+ ev.time.tv_sec = 0;
+ ev.time.tv_usec = 0;
+ ev.type = EV_LED;
+ ev.code = sc;
+ ev.value = on ? 1 : 0;
+
+ ssize_t nWrite;
+ do {
+ nWrite = write(device->fd, &ev, sizeof(struct input_event));
+ } while (nWrite == -1 && errno == EINTR);
+ }
+}
+
+void EventHub::getVirtualKeyDefinitions(int32_t deviceId,
+ Vector<VirtualKeyDefinition>& outVirtualKeys) const {
+ outVirtualKeys.clear();
+
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device && device->virtualKeyMap) {
+ outVirtualKeys.appendVector(device->virtualKeyMap->getVirtualKeys());
+ }
+}
+
+sp<KeyCharacterMap> EventHub::getKeyCharacterMap(int32_t deviceId) const {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device) {
+ return device->getKeyCharacterMap();
+ }
+ return NULL;
+}
+
+bool EventHub::setKeyboardLayoutOverlay(int32_t deviceId,
+ const sp<KeyCharacterMap>& map) {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device) {
+ if (map != device->overlayKeyMap) {
+ device->overlayKeyMap = map;
+ device->combinedKeyMap = KeyCharacterMap::combine(
+ device->keyMap.keyCharacterMap, map);
+ return true;
+ }
+ }
+ return false;
+}
+
+static String8 generateDescriptor(InputDeviceIdentifier& identifier) {
+ String8 rawDescriptor;
+ rawDescriptor.appendFormat(":%04x:%04x:", identifier.vendor,
+ identifier.product);
+ // TODO add handling for USB devices to not uniqueify kbs that show up twice
+ if (!identifier.uniqueId.isEmpty()) {
+ rawDescriptor.append("uniqueId:");
+ rawDescriptor.append(identifier.uniqueId);
+ } else if (identifier.nonce != 0) {
+ rawDescriptor.appendFormat("nonce:%04x", identifier.nonce);
+ }
+
+ if (identifier.vendor == 0 && identifier.product == 0) {
+ // If we don't know the vendor and product id, then the device is probably
+ // built-in so we need to rely on other information to uniquely identify
+ // the input device. Usually we try to avoid relying on the device name or
+ // location but for built-in input device, they are unlikely to ever change.
+ if (!identifier.name.isEmpty()) {
+ rawDescriptor.append("name:");
+ rawDescriptor.append(identifier.name);
+ } else if (!identifier.location.isEmpty()) {
+ rawDescriptor.append("location:");
+ rawDescriptor.append(identifier.location);
+ }
+ }
+ identifier.descriptor = sha1(rawDescriptor);
+ return rawDescriptor;
+}
+
+void EventHub::assignDescriptorLocked(InputDeviceIdentifier& identifier) {
+ // Compute a device descriptor that uniquely identifies the device.
+ // The descriptor is assumed to be a stable identifier. Its value should not
+ // change between reboots, reconnections, firmware updates or new releases
+ // of Android. In practice we sometimes get devices that cannot be uniquely
+ // identified. In this case we enforce uniqueness between connected devices.
+ // Ideally, we also want the descriptor to be short and relatively opaque.
+
+ identifier.nonce = 0;
+ String8 rawDescriptor = generateDescriptor(identifier);
+ if (identifier.uniqueId.isEmpty()) {
+ // If it didn't have a unique id check for conflicts and enforce
+ // uniqueness if necessary.
+ while(getDeviceByDescriptorLocked(identifier.descriptor) != NULL) {
+ identifier.nonce++;
+ rawDescriptor = generateDescriptor(identifier);
+ }
+ }
+ ALOGV("Created descriptor: raw=%s, cooked=%s", rawDescriptor.string(),
+ identifier.descriptor.string());
+}
+
+void EventHub::vibrate(int32_t deviceId, nsecs_t duration) {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device && !device->isVirtual()) {
+ ff_effect effect;
+ memset(&effect, 0, sizeof(effect));
+ effect.type = FF_RUMBLE;
+ effect.id = device->ffEffectId;
+ effect.u.rumble.strong_magnitude = 0xc000;
+ effect.u.rumble.weak_magnitude = 0xc000;
+ effect.replay.length = (duration + 999999LL) / 1000000LL;
+ effect.replay.delay = 0;
+ if (ioctl(device->fd, EVIOCSFF, &effect)) {
+ ALOGW("Could not upload force feedback effect to device %s due to error %d.",
+ device->identifier.name.string(), errno);
+ return;
+ }
+ device->ffEffectId = effect.id;
+
+ struct input_event ev;
+ ev.time.tv_sec = 0;
+ ev.time.tv_usec = 0;
+ ev.type = EV_FF;
+ ev.code = device->ffEffectId;
+ ev.value = 1;
+ if (write(device->fd, &ev, sizeof(ev)) != sizeof(ev)) {
+ ALOGW("Could not start force feedback effect on device %s due to error %d.",
+ device->identifier.name.string(), errno);
+ return;
+ }
+ device->ffEffectPlaying = true;
+ }
+}
+
+void EventHub::cancelVibrate(int32_t deviceId) {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device && !device->isVirtual()) {
+ if (device->ffEffectPlaying) {
+ device->ffEffectPlaying = false;
+
+ struct input_event ev;
+ ev.time.tv_sec = 0;
+ ev.time.tv_usec = 0;
+ ev.type = EV_FF;
+ ev.code = device->ffEffectId;
+ ev.value = 0;
+ if (write(device->fd, &ev, sizeof(ev)) != sizeof(ev)) {
+ ALOGW("Could not stop force feedback effect on device %s due to error %d.",
+ device->identifier.name.string(), errno);
+ return;
+ }
+ }
+ }
+}
+
+EventHub::Device* EventHub::getDeviceByDescriptorLocked(String8& descriptor) const {
+ size_t size = mDevices.size();
+ for (size_t i = 0; i < size; i++) {
+ Device* device = mDevices.valueAt(i);
+ if (descriptor.compare(device->identifier.descriptor) == 0) {
+ return device;
+ }
+ }
+ return NULL;
+}
+
+EventHub::Device* EventHub::getDeviceLocked(int32_t deviceId) const {
+ if (deviceId == BUILT_IN_KEYBOARD_ID) {
+ deviceId = mBuiltInKeyboardId;
+ }
+ ssize_t index = mDevices.indexOfKey(deviceId);
+ return index >= 0 ? mDevices.valueAt(index) : NULL;
+}
+
+EventHub::Device* EventHub::getDeviceByPathLocked(const char* devicePath) const {
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ Device* device = mDevices.valueAt(i);
+ if (device->path == devicePath) {
+ return device;
+ }
+ }
+ return NULL;
+}
+
+size_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) {
+ ALOG_ASSERT(bufferSize >= 1);
+
+ AutoMutex _l(mLock);
+
+ struct input_event readBuffer[bufferSize];
+
+ RawEvent* event = buffer;
+ size_t capacity = bufferSize;
+ bool awoken = false;
+ for (;;) {
+ nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
+
+ // Reopen input devices if needed.
+ if (mNeedToReopenDevices) {
+ mNeedToReopenDevices = false;
+
+ ALOGI("Reopening all input devices due to a configuration change.");
+
+ closeAllDevicesLocked();
+ mNeedToScanDevices = true;
+ break; // return to the caller before we actually rescan
+ }
+
+ // Report any devices that had last been added/removed.
+ while (mClosingDevices) {
+ Device* device = mClosingDevices;
+ ALOGV("Reporting device closed: id=%d, name=%s\n",
+ device->id, device->path.string());
+ mClosingDevices = device->next;
+ event->when = now;
+ event->deviceId = device->id == mBuiltInKeyboardId ? BUILT_IN_KEYBOARD_ID : device->id;
+ event->type = DEVICE_REMOVED;
+ event += 1;
+ delete device;
+ mNeedToSendFinishedDeviceScan = true;
+ if (--capacity == 0) {
+ break;
+ }
+ }
+
+ if (mNeedToScanDevices) {
+ mNeedToScanDevices = false;
+ scanDevicesLocked();
+ mNeedToSendFinishedDeviceScan = true;
+ }
+
+ while (mOpeningDevices != NULL) {
+ Device* device = mOpeningDevices;
+ ALOGV("Reporting device opened: id=%d, name=%s\n",
+ device->id, device->path.string());
+ mOpeningDevices = device->next;
+ event->when = now;
+ event->deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id;
+ event->type = DEVICE_ADDED;
+ event += 1;
+ mNeedToSendFinishedDeviceScan = true;
+ if (--capacity == 0) {
+ break;
+ }
+ }
+
+ if (mNeedToSendFinishedDeviceScan) {
+ mNeedToSendFinishedDeviceScan = false;
+ event->when = now;
+ event->type = FINISHED_DEVICE_SCAN;
+ event += 1;
+ if (--capacity == 0) {
+ break;
+ }
+ }
+
+ // Grab the next input event.
+ bool deviceChanged = false;
+ while (mPendingEventIndex < mPendingEventCount) {
+ const struct epoll_event& eventItem = mPendingEventItems[mPendingEventIndex++];
+ if (eventItem.data.u32 == EPOLL_ID_INOTIFY) {
+ if (eventItem.events & EPOLLIN) {
+ mPendingINotify = true;
+ } else {
+ ALOGW("Received unexpected epoll event 0x%08x for INotify.", eventItem.events);
+ }
+ continue;
+ }
+
+ if (eventItem.data.u32 == EPOLL_ID_WAKE) {
+ if (eventItem.events & EPOLLIN) {
+ ALOGV("awoken after wake()");
+ awoken = true;
+ char buffer[16];
+ ssize_t nRead;
+ do {
+ nRead = read(mWakeReadPipeFd, buffer, sizeof(buffer));
+ } while ((nRead == -1 && errno == EINTR) || nRead == sizeof(buffer));
+ } else {
+ ALOGW("Received unexpected epoll event 0x%08x for wake read pipe.",
+ eventItem.events);
+ }
+ continue;
+ }
+
+ ssize_t deviceIndex = mDevices.indexOfKey(eventItem.data.u32);
+ if (deviceIndex < 0) {
+ ALOGW("Received unexpected epoll event 0x%08x for unknown device id %d.",
+ eventItem.events, eventItem.data.u32);
+ continue;
+ }
+
+ Device* device = mDevices.valueAt(deviceIndex);
+ if (eventItem.events & EPOLLIN) {
+ int32_t readSize = read(device->fd, readBuffer,
+ sizeof(struct input_event) * capacity);
+ if (readSize == 0 || (readSize < 0 && errno == ENODEV)) {
+ // Device was removed before INotify noticed.
+ ALOGW("could not get event, removed? (fd: %d size: %d bufferSize: %d "
+ "capacity: %d errno: %d)\n",
+ device->fd, readSize, bufferSize, capacity, errno);
+ deviceChanged = true;
+ closeDeviceLocked(device);
+ } else if (readSize < 0) {
+ if (errno != EAGAIN && errno != EINTR) {
+ ALOGW("could not get event (errno=%d)", errno);
+ }
+ } else if ((readSize % sizeof(struct input_event)) != 0) {
+ ALOGE("could not get event (wrong size: %d)", readSize);
+ } else {
+ int32_t deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id;
+
+ size_t count = size_t(readSize) / sizeof(struct input_event);
+ for (size_t i = 0; i < count; i++) {
+ struct input_event& iev = readBuffer[i];
+ ALOGV("%s got: time=%d.%06d, type=%d, code=%d, value=%d",
+ device->path.string(),
+ (int) iev.time.tv_sec, (int) iev.time.tv_usec,
+ iev.type, iev.code, iev.value);
+
+ // Some input devices may have a better concept of the time
+ // when an input event was actually generated than the kernel
+ // which simply timestamps all events on entry to evdev.
+ // This is a custom Android extension of the input protocol
+ // mainly intended for use with uinput based device drivers.
+ if (iev.type == EV_MSC) {
+ if (iev.code == MSC_ANDROID_TIME_SEC) {
+ device->timestampOverrideSec = iev.value;
+ continue;
+ } else if (iev.code == MSC_ANDROID_TIME_USEC) {
+ device->timestampOverrideUsec = iev.value;
+ continue;
+ }
+ }
+ if (device->timestampOverrideSec || device->timestampOverrideUsec) {
+ iev.time.tv_sec = device->timestampOverrideSec;
+ iev.time.tv_usec = device->timestampOverrideUsec;
+ if (iev.type == EV_SYN && iev.code == SYN_REPORT) {
+ device->timestampOverrideSec = 0;
+ device->timestampOverrideUsec = 0;
+ }
+ ALOGV("applied override time %d.%06d",
+ int(iev.time.tv_sec), int(iev.time.tv_usec));
+ }
+
+#ifdef HAVE_POSIX_CLOCKS
+ // Use the time specified in the event instead of the current time
+ // so that downstream code can get more accurate estimates of
+ // event dispatch latency from the time the event is enqueued onto
+ // the evdev client buffer.
+ //
+ // The event's timestamp fortuitously uses the same monotonic clock
+ // time base as the rest of Android. The kernel event device driver
+ // (drivers/input/evdev.c) obtains timestamps using ktime_get_ts().
+ // The systemTime(SYSTEM_TIME_MONOTONIC) function we use everywhere
+ // calls clock_gettime(CLOCK_MONOTONIC) which is implemented as a
+ // system call that also queries ktime_get_ts().
+ event->when = nsecs_t(iev.time.tv_sec) * 1000000000LL
+ + nsecs_t(iev.time.tv_usec) * 1000LL;
+ ALOGV("event time %lld, now %lld", event->when, now);
+
+ // Bug 7291243: Add a guard in case the kernel generates timestamps
+ // that appear to be far into the future because they were generated
+ // using the wrong clock source.
+ //
+ // This can happen because when the input device is initially opened
+ // it has a default clock source of CLOCK_REALTIME. Any input events
+ // enqueued right after the device is opened will have timestamps
+ // generated using CLOCK_REALTIME. We later set the clock source
+ // to CLOCK_MONOTONIC but it is already too late.
+ //
+ // Invalid input event timestamps can result in ANRs, crashes and
+ // and other issues that are hard to track down. We must not let them
+ // propagate through the system.
+ //
+ // Log a warning so that we notice the problem and recover gracefully.
+ if (event->when >= now + 10 * 1000000000LL) {
+ // Double-check. Time may have moved on.
+ nsecs_t time = systemTime(SYSTEM_TIME_MONOTONIC);
+ if (event->when > time) {
+ ALOGW("An input event from %s has a timestamp that appears to "
+ "have been generated using the wrong clock source "
+ "(expected CLOCK_MONOTONIC): "
+ "event time %lld, current time %lld, call time %lld. "
+ "Using current time instead.",
+ device->path.string(), event->when, time, now);
+ event->when = time;
+ } else {
+ ALOGV("Event time is ok but failed the fast path and required "
+ "an extra call to systemTime: "
+ "event time %lld, current time %lld, call time %lld.",
+ event->when, time, now);
+ }
+ }
+#else
+ event->when = now;
+#endif
+ event->deviceId = deviceId;
+ event->type = iev.type;
+ event->code = iev.code;
+ event->value = iev.value;
+ event += 1;
+ capacity -= 1;
+ }
+ if (capacity == 0) {
+ // The result buffer is full. Reset the pending event index
+ // so we will try to read the device again on the next iteration.
+ mPendingEventIndex -= 1;
+ break;
+ }
+ }
+ } else if (eventItem.events & EPOLLHUP) {
+ ALOGI("Removing device %s due to epoll hang-up event.",
+ device->identifier.name.string());
+ deviceChanged = true;
+ closeDeviceLocked(device);
+ } else {
+ ALOGW("Received unexpected epoll event 0x%08x for device %s.",
+ eventItem.events, device->identifier.name.string());
+ }
+ }
+
+ // readNotify() will modify the list of devices so this must be done after
+ // processing all other events to ensure that we read all remaining events
+ // before closing the devices.
+ if (mPendingINotify && mPendingEventIndex >= mPendingEventCount) {
+ mPendingINotify = false;
+ readNotifyLocked();
+ deviceChanged = true;
+ }
+
+ // Report added or removed devices immediately.
+ if (deviceChanged) {
+ continue;
+ }
+
+ // Return now if we have collected any events or if we were explicitly awoken.
+ if (event != buffer || awoken) {
+ break;
+ }
+
+ // Poll for events. Mind the wake lock dance!
+ // We hold a wake lock at all times except during epoll_wait(). This works due to some
+ // subtle choreography. When a device driver has pending (unread) events, it acquires
+ // a kernel wake lock. However, once the last pending event has been read, the device
+ // driver will release the kernel wake lock. To prevent the system from going to sleep
+ // when this happens, the EventHub holds onto its own user wake lock while the client
+ // is processing events. Thus the system can only sleep if there are no events
+ // pending or currently being processed.
+ //
+ // The timeout is advisory only. If the device is asleep, it will not wake just to
+ // service the timeout.
+ mPendingEventIndex = 0;
+
+ mLock.unlock(); // release lock before poll, must be before release_wake_lock
+ release_wake_lock(WAKE_LOCK_ID);
+
+ int pollResult = epoll_wait(mEpollFd, mPendingEventItems, EPOLL_MAX_EVENTS, timeoutMillis);
+
+ acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID);
+ mLock.lock(); // reacquire lock after poll, must be after acquire_wake_lock
+
+ if (pollResult == 0) {
+ // Timed out.
+ mPendingEventCount = 0;
+ break;
+ }
+
+ if (pollResult < 0) {
+ // An error occurred.
+ mPendingEventCount = 0;
+
+ // Sleep after errors to avoid locking up the system.
+ // Hopefully the error is transient.
+ if (errno != EINTR) {
+ ALOGW("poll failed (errno=%d)\n", errno);
+ usleep(100000);
+ }
+ } else {
+ // Some events occurred.
+ mPendingEventCount = size_t(pollResult);
+ }
+ }
+
+ // All done, return the number of events we read.
+ return event - buffer;
+}
+
+void EventHub::wake() {
+ ALOGV("wake() called");
+
+ ssize_t nWrite;
+ do {
+ nWrite = write(mWakeWritePipeFd, "W", 1);
+ } while (nWrite == -1 && errno == EINTR);
+
+ if (nWrite != 1 && errno != EAGAIN) {
+ ALOGW("Could not write wake signal, errno=%d", errno);
+ }
+}
+
+void EventHub::scanDevicesLocked() {
+ status_t res = scanDirLocked(DEVICE_PATH);
+ if(res < 0) {
+ ALOGE("scan dir failed for %s\n", DEVICE_PATH);
+ }
+ if (mDevices.indexOfKey(VIRTUAL_KEYBOARD_ID) < 0) {
+ createVirtualKeyboardLocked();
+ }
+}
+
+// ----------------------------------------------------------------------------
+
+static bool containsNonZeroByte(const uint8_t* array, uint32_t startIndex, uint32_t endIndex) {
+ const uint8_t* end = array + endIndex;
+ array += startIndex;
+ while (array != end) {
+ if (*(array++) != 0) {
+ return true;
+ }
+ }
+ return false;
+}
+
+static const int32_t GAMEPAD_KEYCODES[] = {
+ AKEYCODE_BUTTON_A, AKEYCODE_BUTTON_B, AKEYCODE_BUTTON_C,
+ AKEYCODE_BUTTON_X, AKEYCODE_BUTTON_Y, AKEYCODE_BUTTON_Z,
+ AKEYCODE_BUTTON_L1, AKEYCODE_BUTTON_R1,
+ AKEYCODE_BUTTON_L2, AKEYCODE_BUTTON_R2,
+ AKEYCODE_BUTTON_THUMBL, AKEYCODE_BUTTON_THUMBR,
+ AKEYCODE_BUTTON_START, AKEYCODE_BUTTON_SELECT, AKEYCODE_BUTTON_MODE,
+ AKEYCODE_BUTTON_1, AKEYCODE_BUTTON_2, AKEYCODE_BUTTON_3, AKEYCODE_BUTTON_4,
+ AKEYCODE_BUTTON_5, AKEYCODE_BUTTON_6, AKEYCODE_BUTTON_7, AKEYCODE_BUTTON_8,
+ AKEYCODE_BUTTON_9, AKEYCODE_BUTTON_10, AKEYCODE_BUTTON_11, AKEYCODE_BUTTON_12,
+ AKEYCODE_BUTTON_13, AKEYCODE_BUTTON_14, AKEYCODE_BUTTON_15, AKEYCODE_BUTTON_16,
+};
+
+status_t EventHub::openDeviceLocked(const char *devicePath) {
+ char buffer[80];
+
+ ALOGV("Opening device: %s", devicePath);
+
+ int fd = open(devicePath, O_RDWR | O_CLOEXEC);
+ if(fd < 0) {
+ ALOGE("could not open %s, %s\n", devicePath, strerror(errno));
+ return -1;
+ }
+
+ InputDeviceIdentifier identifier;
+
+ // Get device name.
+ if(ioctl(fd, EVIOCGNAME(sizeof(buffer) - 1), &buffer) < 1) {
+ //fprintf(stderr, "could not get device name for %s, %s\n", devicePath, strerror(errno));
+ } else {
+ buffer[sizeof(buffer) - 1] = '\0';
+ identifier.name.setTo(buffer);
+ }
+
+ // Check to see if the device is on our excluded list
+ for (size_t i = 0; i < mExcludedDevices.size(); i++) {
+ const String8& item = mExcludedDevices.itemAt(i);
+ if (identifier.name == item) {
+ ALOGI("ignoring event id %s driver %s\n", devicePath, item.string());
+ close(fd);
+ return -1;
+ }
+ }
+
+ // Get device driver version.
+ int driverVersion;
+ if(ioctl(fd, EVIOCGVERSION, &driverVersion)) {
+ ALOGE("could not get driver version for %s, %s\n", devicePath, strerror(errno));
+ close(fd);
+ return -1;
+ }
+
+ // Get device identifier.
+ struct input_id inputId;
+ if(ioctl(fd, EVIOCGID, &inputId)) {
+ ALOGE("could not get device input id for %s, %s\n", devicePath, strerror(errno));
+ close(fd);
+ return -1;
+ }
+ identifier.bus = inputId.bustype;
+ identifier.product = inputId.product;
+ identifier.vendor = inputId.vendor;
+ identifier.version = inputId.version;
+
+ // Get device physical location.
+ if(ioctl(fd, EVIOCGPHYS(sizeof(buffer) - 1), &buffer) < 1) {
+ //fprintf(stderr, "could not get location for %s, %s\n", devicePath, strerror(errno));
+ } else {
+ buffer[sizeof(buffer) - 1] = '\0';
+ identifier.location.setTo(buffer);
+ }
+
+ // Get device unique id.
+ if(ioctl(fd, EVIOCGUNIQ(sizeof(buffer) - 1), &buffer) < 1) {
+ //fprintf(stderr, "could not get idstring for %s, %s\n", devicePath, strerror(errno));
+ } else {
+ buffer[sizeof(buffer) - 1] = '\0';
+ identifier.uniqueId.setTo(buffer);
+ }
+
+ // Fill in the descriptor.
+ assignDescriptorLocked(identifier);
+
+ // Make file descriptor non-blocking for use with poll().
+ if (fcntl(fd, F_SETFL, O_NONBLOCK)) {
+ ALOGE("Error %d making device file descriptor non-blocking.", errno);
+ close(fd);
+ return -1;
+ }
+
+ // Allocate device. (The device object takes ownership of the fd at this point.)
+ int32_t deviceId = mNextDeviceId++;
+ Device* device = new Device(fd, deviceId, String8(devicePath), identifier);
+
+ ALOGV("add device %d: %s\n", deviceId, devicePath);
+ ALOGV(" bus: %04x\n"
+ " vendor %04x\n"
+ " product %04x\n"
+ " version %04x\n",
+ identifier.bus, identifier.vendor, identifier.product, identifier.version);
+ ALOGV(" name: \"%s\"\n", identifier.name.string());
+ ALOGV(" location: \"%s\"\n", identifier.location.string());
+ ALOGV(" unique id: \"%s\"\n", identifier.uniqueId.string());
+ ALOGV(" descriptor: \"%s\"\n", identifier.descriptor.string());
+ ALOGV(" driver: v%d.%d.%d\n",
+ driverVersion >> 16, (driverVersion >> 8) & 0xff, driverVersion & 0xff);
+
+ // Load the configuration file for the device.
+ loadConfigurationLocked(device);
+
+ // Figure out the kinds of events the device reports.
+ ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(device->keyBitmask)), device->keyBitmask);
+ ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(device->absBitmask)), device->absBitmask);
+ ioctl(fd, EVIOCGBIT(EV_REL, sizeof(device->relBitmask)), device->relBitmask);
+ ioctl(fd, EVIOCGBIT(EV_SW, sizeof(device->swBitmask)), device->swBitmask);
+ ioctl(fd, EVIOCGBIT(EV_LED, sizeof(device->ledBitmask)), device->ledBitmask);
+ ioctl(fd, EVIOCGBIT(EV_FF, sizeof(device->ffBitmask)), device->ffBitmask);
+ ioctl(fd, EVIOCGPROP(sizeof(device->propBitmask)), device->propBitmask);
+
+ // See if this is a keyboard. Ignore everything in the button range except for
+ // joystick and gamepad buttons which are handled like keyboards for the most part.
+ bool haveKeyboardKeys = containsNonZeroByte(device->keyBitmask, 0, sizeof_bit_array(BTN_MISC))
+ || containsNonZeroByte(device->keyBitmask, sizeof_bit_array(KEY_OK),
+ sizeof_bit_array(KEY_MAX + 1));
+ bool haveGamepadButtons = containsNonZeroByte(device->keyBitmask, sizeof_bit_array(BTN_MISC),
+ sizeof_bit_array(BTN_MOUSE))
+ || containsNonZeroByte(device->keyBitmask, sizeof_bit_array(BTN_JOYSTICK),
+ sizeof_bit_array(BTN_DIGI));
+ if (haveKeyboardKeys || haveGamepadButtons) {
+ device->classes |= INPUT_DEVICE_CLASS_KEYBOARD;
+ }
+
+ // See if this is a cursor device such as a trackball or mouse.
+ if (test_bit(BTN_MOUSE, device->keyBitmask)
+ && test_bit(REL_X, device->relBitmask)
+ && test_bit(REL_Y, device->relBitmask)) {
+ device->classes |= INPUT_DEVICE_CLASS_CURSOR;
+ }
+
+ // See if this is a touch pad.
+ // Is this a new modern multi-touch driver?
+ if (test_bit(ABS_MT_POSITION_X, device->absBitmask)
+ && test_bit(ABS_MT_POSITION_Y, device->absBitmask)) {
+ // Some joysticks such as the PS3 controller report axes that conflict
+ // with the ABS_MT range. Try to confirm that the device really is
+ // a touch screen.
+ if (test_bit(BTN_TOUCH, device->keyBitmask) || !haveGamepadButtons) {
+ device->classes |= INPUT_DEVICE_CLASS_TOUCH | INPUT_DEVICE_CLASS_TOUCH_MT;
+ }
+ // Is this an old style single-touch driver?
+ } else if (test_bit(BTN_TOUCH, device->keyBitmask)
+ && test_bit(ABS_X, device->absBitmask)
+ && test_bit(ABS_Y, device->absBitmask)) {
+ device->classes |= INPUT_DEVICE_CLASS_TOUCH;
+ }
+
+ // See if this device is a joystick.
+ // Assumes that joysticks always have gamepad buttons in order to distinguish them
+ // from other devices such as accelerometers that also have absolute axes.
+ if (haveGamepadButtons) {
+ uint32_t assumedClasses = device->classes | INPUT_DEVICE_CLASS_JOYSTICK;
+ for (int i = 0; i <= ABS_MAX; i++) {
+ if (test_bit(i, device->absBitmask)
+ && (getAbsAxisUsage(i, assumedClasses) & INPUT_DEVICE_CLASS_JOYSTICK)) {
+ device->classes = assumedClasses;
+ break;
+ }
+ }
+ }
+
+ // Check whether this device has switches.
+ for (int i = 0; i <= SW_MAX; i++) {
+ if (test_bit(i, device->swBitmask)) {
+ device->classes |= INPUT_DEVICE_CLASS_SWITCH;
+ break;
+ }
+ }
+
+ // Check whether this device supports the vibrator.
+ if (test_bit(FF_RUMBLE, device->ffBitmask)) {
+ device->classes |= INPUT_DEVICE_CLASS_VIBRATOR;
+ }
+
+ // Configure virtual keys.
+ if ((device->classes & INPUT_DEVICE_CLASS_TOUCH)) {
+ // Load the virtual keys for the touch screen, if any.
+ // We do this now so that we can make sure to load the keymap if necessary.
+ status_t status = loadVirtualKeyMapLocked(device);
+ if (!status) {
+ device->classes |= INPUT_DEVICE_CLASS_KEYBOARD;
+ }
+ }
+
+ // Load the key map.
+ // We need to do this for joysticks too because the key layout may specify axes.
+ status_t keyMapStatus = NAME_NOT_FOUND;
+ if (device->classes & (INPUT_DEVICE_CLASS_KEYBOARD | INPUT_DEVICE_CLASS_JOYSTICK)) {
+ // Load the keymap for the device.
+ keyMapStatus = loadKeyMapLocked(device);
+ }
+
+ // Configure the keyboard, gamepad or virtual keyboard.
+ if (device->classes & INPUT_DEVICE_CLASS_KEYBOARD) {
+ // Register the keyboard as a built-in keyboard if it is eligible.
+ if (!keyMapStatus
+ && mBuiltInKeyboardId == NO_BUILT_IN_KEYBOARD
+ && isEligibleBuiltInKeyboard(device->identifier,
+ device->configuration, &device->keyMap)) {
+ mBuiltInKeyboardId = device->id;
+ }
+
+ // 'Q' key support = cheap test of whether this is an alpha-capable kbd
+ if (hasKeycodeLocked(device, AKEYCODE_Q)) {
+ device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY;
+ }
+
+ // See if this device has a DPAD.
+ if (hasKeycodeLocked(device, AKEYCODE_DPAD_UP) &&
+ hasKeycodeLocked(device, AKEYCODE_DPAD_DOWN) &&
+ hasKeycodeLocked(device, AKEYCODE_DPAD_LEFT) &&
+ hasKeycodeLocked(device, AKEYCODE_DPAD_RIGHT) &&
+ hasKeycodeLocked(device, AKEYCODE_DPAD_CENTER)) {
+ device->classes |= INPUT_DEVICE_CLASS_DPAD;
+ }
+
+ // See if this device has a gamepad.
+ for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES)/sizeof(GAMEPAD_KEYCODES[0]); i++) {
+ if (hasKeycodeLocked(device, GAMEPAD_KEYCODES[i])) {
+ device->classes |= INPUT_DEVICE_CLASS_GAMEPAD;
+ break;
+ }
+ }
+
+ // Disable kernel key repeat since we handle it ourselves
+ unsigned int repeatRate[] = {0,0};
+ if (ioctl(fd, EVIOCSREP, repeatRate)) {
+ ALOGW("Unable to disable kernel key repeat for %s: %s", devicePath, strerror(errno));
+ }
+ }
+
+ // If the device isn't recognized as something we handle, don't monitor it.
+ if (device->classes == 0) {
+ ALOGV("Dropping device: id=%d, path='%s', name='%s'",
+ deviceId, devicePath, device->identifier.name.string());
+ delete device;
+ return -1;
+ }
+
+ // Determine whether the device is external or internal.
+ if (isExternalDeviceLocked(device)) {
+ device->classes |= INPUT_DEVICE_CLASS_EXTERNAL;
+ }
+
+ if (device->classes & (INPUT_DEVICE_CLASS_JOYSTICK | INPUT_DEVICE_CLASS_GAMEPAD)) {
+ device->controllerNumber = getNextControllerNumberLocked(device);
+ setLedForController(device);
+ }
+
+ // Register with epoll.
+ struct epoll_event eventItem;
+ memset(&eventItem, 0, sizeof(eventItem));
+ eventItem.events = mUsingEpollWakeup ? EPOLLIN : EPOLLIN | EPOLLWAKEUP;
+ eventItem.data.u32 = deviceId;
+ if (epoll_ctl(mEpollFd, EPOLL_CTL_ADD, fd, &eventItem)) {
+ ALOGE("Could not add device fd to epoll instance. errno=%d", errno);
+ delete device;
+ return -1;
+ }
+
+ String8 wakeMechanism("EPOLLWAKEUP");
+ if (!mUsingEpollWakeup) {
+#ifndef EVIOCSSUSPENDBLOCK
+ // uapi headers don't include EVIOCSSUSPENDBLOCK, and future kernels
+ // will use an epoll flag instead, so as long as we want to support
+ // this feature, we need to be prepared to define the ioctl ourselves.
+#define EVIOCSSUSPENDBLOCK _IOW('E', 0x91, int)
+#endif
+ if (ioctl(fd, EVIOCSSUSPENDBLOCK, 1)) {
+ wakeMechanism = "<none>";
+ } else {
+ wakeMechanism = "EVIOCSSUSPENDBLOCK";
+ }
+ }
+
+ // Tell the kernel that we want to use the monotonic clock for reporting timestamps
+ // associated with input events. This is important because the input system
+ // uses the timestamps extensively and assumes they were recorded using the monotonic
+ // clock.
+ //
+ // In older kernel, before Linux 3.4, there was no way to tell the kernel which
+ // clock to use to input event timestamps. The standard kernel behavior was to
+ // record a real time timestamp, which isn't what we want. Android kernels therefore
+ // contained a patch to the evdev_event() function in drivers/input/evdev.c to
+ // replace the call to do_gettimeofday() with ktime_get_ts() to cause the monotonic
+ // clock to be used instead of the real time clock.
+ //
+ // As of Linux 3.4, there is a new EVIOCSCLOCKID ioctl to set the desired clock.
+ // Therefore, we no longer require the Android-specific kernel patch described above
+ // as long as we make sure to set select the monotonic clock. We do that here.
+ int clockId = CLOCK_MONOTONIC;
+ bool usingClockIoctl = !ioctl(fd, EVIOCSCLOCKID, &clockId);
+
+ ALOGI("New device: id=%d, fd=%d, path='%s', name='%s', classes=0x%x, "
+ "configuration='%s', keyLayout='%s', keyCharacterMap='%s', builtinKeyboard=%s, "
+ "wakeMechanism=%s, usingClockIoctl=%s",
+ deviceId, fd, devicePath, device->identifier.name.string(),
+ device->classes,
+ device->configurationFile.string(),
+ device->keyMap.keyLayoutFile.string(),
+ device->keyMap.keyCharacterMapFile.string(),
+ toString(mBuiltInKeyboardId == deviceId),
+ wakeMechanism.string(), toString(usingClockIoctl));
+
+ addDeviceLocked(device);
+ return 0;
+}
+
+void EventHub::createVirtualKeyboardLocked() {
+ InputDeviceIdentifier identifier;
+ identifier.name = "Virtual";
+ identifier.uniqueId = "<virtual>";
+ assignDescriptorLocked(identifier);
+
+ Device* device = new Device(-1, VIRTUAL_KEYBOARD_ID, String8("<virtual>"), identifier);
+ device->classes = INPUT_DEVICE_CLASS_KEYBOARD
+ | INPUT_DEVICE_CLASS_ALPHAKEY
+ | INPUT_DEVICE_CLASS_DPAD
+ | INPUT_DEVICE_CLASS_VIRTUAL;
+ loadKeyMapLocked(device);
+ addDeviceLocked(device);
+}
+
+void EventHub::addDeviceLocked(Device* device) {
+ mDevices.add(device->id, device);
+ device->next = mOpeningDevices;
+ mOpeningDevices = device;
+}
+
+void EventHub::loadConfigurationLocked(Device* device) {
+ device->configurationFile = getInputDeviceConfigurationFilePathByDeviceIdentifier(
+ device->identifier, INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION);
+ if (device->configurationFile.isEmpty()) {
+ ALOGD("No input device configuration file found for device '%s'.",
+ device->identifier.name.string());
+ } else {
+ status_t status = PropertyMap::load(device->configurationFile,
+ &device->configuration);
+ if (status) {
+ ALOGE("Error loading input device configuration file for device '%s'. "
+ "Using default configuration.",
+ device->identifier.name.string());
+ }
+ }
+}
+
+status_t EventHub::loadVirtualKeyMapLocked(Device* device) {
+ // The virtual key map is supplied by the kernel as a system board property file.
+ String8 path;
+ path.append("/sys/board_properties/virtualkeys.");
+ path.append(device->identifier.name);
+ if (access(path.string(), R_OK)) {
+ return NAME_NOT_FOUND;
+ }
+ return VirtualKeyMap::load(path, &device->virtualKeyMap);
+}
+
+status_t EventHub::loadKeyMapLocked(Device* device) {
+ return device->keyMap.load(device->identifier, device->configuration);
+}
+
+bool EventHub::isExternalDeviceLocked(Device* device) {
+ if (device->configuration) {
+ bool value;
+ if (device->configuration->tryGetProperty(String8("device.internal"), value)) {
+ return !value;
+ }
+ }
+ return device->identifier.bus == BUS_USB || device->identifier.bus == BUS_BLUETOOTH;
+}
+
+int32_t EventHub::getNextControllerNumberLocked(Device* device) {
+ if (mControllerNumbers.isFull()) {
+ ALOGI("Maximum number of controllers reached, assigning controller number 0 to device %s",
+ device->identifier.name.string());
+ return 0;
+ }
+ // Since the controller number 0 is reserved for non-controllers, translate all numbers up by
+ // one
+ return static_cast<int32_t>(mControllerNumbers.markFirstUnmarkedBit() + 1);
+}
+
+void EventHub::releaseControllerNumberLocked(Device* device) {
+ int32_t num = device->controllerNumber;
+ device->controllerNumber= 0;
+ if (num == 0) {
+ return;
+ }
+ mControllerNumbers.clearBit(static_cast<uint32_t>(num - 1));
+}
+
+void EventHub::setLedForController(Device* device) {
+ for (int i = 0; i < MAX_CONTROLLER_LEDS; i++) {
+ setLedStateLocked(device, ALED_CONTROLLER_1 + i, device->controllerNumber == i + 1);
+ }
+}
+
+bool EventHub::hasKeycodeLocked(Device* device, int keycode) const {
+ if (!device->keyMap.haveKeyLayout() || !device->keyBitmask) {
+ return false;
+ }
+
+ Vector<int32_t> scanCodes;
+ device->keyMap.keyLayoutMap->findScanCodesForKey(keycode, &scanCodes);
+ const size_t N = scanCodes.size();
+ for (size_t i=0; i<N && i<=KEY_MAX; i++) {
+ int32_t sc = scanCodes.itemAt(i);
+ if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, device->keyBitmask)) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+status_t EventHub::mapLed(Device* device, int32_t led, int32_t* outScanCode) const {
+ if (!device->keyMap.haveKeyLayout() || !device->ledBitmask) {
+ return NAME_NOT_FOUND;
+ }
+
+ int32_t scanCode;
+ if(device->keyMap.keyLayoutMap->findScanCodeForLed(led, &scanCode) != NAME_NOT_FOUND) {
+ if(scanCode >= 0 && scanCode <= LED_MAX && test_bit(scanCode, device->ledBitmask)) {
+ *outScanCode = scanCode;
+ return NO_ERROR;
+ }
+ }
+ return NAME_NOT_FOUND;
+}
+
+status_t EventHub::closeDeviceByPathLocked(const char *devicePath) {
+ Device* device = getDeviceByPathLocked(devicePath);
+ if (device) {
+ closeDeviceLocked(device);
+ return 0;
+ }
+ ALOGV("Remove device: %s not found, device may already have been removed.", devicePath);
+ return -1;
+}
+
+void EventHub::closeAllDevicesLocked() {
+ while (mDevices.size() > 0) {
+ closeDeviceLocked(mDevices.valueAt(mDevices.size() - 1));
+ }
+}
+
+void EventHub::closeDeviceLocked(Device* device) {
+ ALOGI("Removed device: path=%s name=%s id=%d fd=%d classes=0x%x\n",
+ device->path.string(), device->identifier.name.string(), device->id,
+ device->fd, device->classes);
+
+ if (device->id == mBuiltInKeyboardId) {
+ ALOGW("built-in keyboard device %s (id=%d) is closing! the apps will not like this",
+ device->path.string(), mBuiltInKeyboardId);
+ mBuiltInKeyboardId = NO_BUILT_IN_KEYBOARD;
+ }
+
+ if (!device->isVirtual()) {
+ if (epoll_ctl(mEpollFd, EPOLL_CTL_DEL, device->fd, NULL)) {
+ ALOGW("Could not remove device fd from epoll instance. errno=%d", errno);
+ }
+ }
+
+ releaseControllerNumberLocked(device);
+
+ mDevices.removeItem(device->id);
+ device->close();
+
+ // Unlink for opening devices list if it is present.
+ Device* pred = NULL;
+ bool found = false;
+ for (Device* entry = mOpeningDevices; entry != NULL; ) {
+ if (entry == device) {
+ found = true;
+ break;
+ }
+ pred = entry;
+ entry = entry->next;
+ }
+ if (found) {
+ // Unlink the device from the opening devices list then delete it.
+ // We don't need to tell the client that the device was closed because
+ // it does not even know it was opened in the first place.
+ ALOGI("Device %s was immediately closed after opening.", device->path.string());
+ if (pred) {
+ pred->next = device->next;
+ } else {
+ mOpeningDevices = device->next;
+ }
+ delete device;
+ } else {
+ // Link into closing devices list.
+ // The device will be deleted later after we have informed the client.
+ device->next = mClosingDevices;
+ mClosingDevices = device;
+ }
+}
+
+status_t EventHub::readNotifyLocked() {
+ int res;
+ char devname[PATH_MAX];
+ char *filename;
+ char event_buf[512];
+ int event_size;
+ int event_pos = 0;
+ struct inotify_event *event;
+
+ ALOGV("EventHub::readNotify nfd: %d\n", mINotifyFd);
+ res = read(mINotifyFd, event_buf, sizeof(event_buf));
+ if(res < (int)sizeof(*event)) {
+ if(errno == EINTR)
+ return 0;
+ ALOGW("could not get event, %s\n", strerror(errno));
+ return -1;
+ }
+ //printf("got %d bytes of event information\n", res);
+
+ strcpy(devname, DEVICE_PATH);
+ filename = devname + strlen(devname);
+ *filename++ = '/';
+
+ while(res >= (int)sizeof(*event)) {
+ event = (struct inotify_event *)(event_buf + event_pos);
+ //printf("%d: %08x \"%s\"\n", event->wd, event->mask, event->len ? event->name : "");
+ if(event->len) {
+ strcpy(filename, event->name);
+ if(event->mask & IN_CREATE) {
+ openDeviceLocked(devname);
+ } else {
+ ALOGI("Removing device '%s' due to inotify event\n", devname);
+ closeDeviceByPathLocked(devname);
+ }
+ }
+ event_size = sizeof(*event) + event->len;
+ res -= event_size;
+ event_pos += event_size;
+ }
+ return 0;
+}
+
+status_t EventHub::scanDirLocked(const char *dirname)
+{
+ char devname[PATH_MAX];
+ char *filename;
+ DIR *dir;
+ struct dirent *de;
+ dir = opendir(dirname);
+ if(dir == NULL)
+ return -1;
+ strcpy(devname, dirname);
+ filename = devname + strlen(devname);
+ *filename++ = '/';
+ while((de = readdir(dir))) {
+ if(de->d_name[0] == '.' &&
+ (de->d_name[1] == '\0' ||
+ (de->d_name[1] == '.' && de->d_name[2] == '\0')))
+ continue;
+ strcpy(filename, de->d_name);
+ openDeviceLocked(devname);
+ }
+ closedir(dir);
+ return 0;
+}
+
+void EventHub::requestReopenDevices() {
+ ALOGV("requestReopenDevices() called");
+
+ AutoMutex _l(mLock);
+ mNeedToReopenDevices = true;
+}
+
+void EventHub::dump(String8& dump) {
+ dump.append("Event Hub State:\n");
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ dump.appendFormat(INDENT "BuiltInKeyboardId: %d\n", mBuiltInKeyboardId);
+
+ dump.append(INDENT "Devices:\n");
+
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ const Device* device = mDevices.valueAt(i);
+ if (mBuiltInKeyboardId == device->id) {
+ dump.appendFormat(INDENT2 "%d: %s (aka device 0 - built-in keyboard)\n",
+ device->id, device->identifier.name.string());
+ } else {
+ dump.appendFormat(INDENT2 "%d: %s\n", device->id,
+ device->identifier.name.string());
+ }
+ dump.appendFormat(INDENT3 "Classes: 0x%08x\n", device->classes);
+ dump.appendFormat(INDENT3 "Path: %s\n", device->path.string());
+ dump.appendFormat(INDENT3 "Descriptor: %s\n", device->identifier.descriptor.string());
+ dump.appendFormat(INDENT3 "Location: %s\n", device->identifier.location.string());
+ dump.appendFormat(INDENT3 "ControllerNumber: %d\n", device->controllerNumber);
+ dump.appendFormat(INDENT3 "UniqueId: %s\n", device->identifier.uniqueId.string());
+ dump.appendFormat(INDENT3 "Identifier: bus=0x%04x, vendor=0x%04x, "
+ "product=0x%04x, version=0x%04x\n",
+ device->identifier.bus, device->identifier.vendor,
+ device->identifier.product, device->identifier.version);
+ dump.appendFormat(INDENT3 "KeyLayoutFile: %s\n",
+ device->keyMap.keyLayoutFile.string());
+ dump.appendFormat(INDENT3 "KeyCharacterMapFile: %s\n",
+ device->keyMap.keyCharacterMapFile.string());
+ dump.appendFormat(INDENT3 "ConfigurationFile: %s\n",
+ device->configurationFile.string());
+ dump.appendFormat(INDENT3 "HaveKeyboardLayoutOverlay: %s\n",
+ toString(device->overlayKeyMap != NULL));
+ }
+ } // release lock
+}
+
+void EventHub::monitor() {
+ // Acquire and release the lock to ensure that the event hub has not deadlocked.
+ mLock.lock();
+ mLock.unlock();
+}
+
+
+}; // namespace android
diff --git a/libs/input/EventHub.h b/libs/input/EventHub.h
new file mode 100644
index 0000000..20179ae
--- /dev/null
+++ b/libs/input/EventHub.h
@@ -0,0 +1,457 @@
+/*
+ * Copyright (C) 2005 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//
+#ifndef _RUNTIME_EVENT_HUB_H
+#define _RUNTIME_EVENT_HUB_H
+
+#include <input/Input.h>
+#include <input/InputDevice.h>
+#include <input/Keyboard.h>
+#include <input/KeyLayoutMap.h>
+#include <input/KeyCharacterMap.h>
+#include <input/VirtualKeyMap.h>
+#include <utils/String8.h>
+#include <utils/threads.h>
+#include <utils/Log.h>
+#include <utils/threads.h>
+#include <utils/List.h>
+#include <utils/Errors.h>
+#include <utils/PropertyMap.h>
+#include <utils/Vector.h>
+#include <utils/KeyedVector.h>
+#include <utils/BitSet.h>
+
+#include <linux/input.h>
+#include <sys/epoll.h>
+
+/* Convenience constants. */
+
+#define BTN_FIRST 0x100 // first button code
+#define BTN_LAST 0x15f // last button code
+
+/*
+ * These constants are used privately in Android to pass raw timestamps
+ * through evdev from uinput device drivers because there is currently no
+ * other way to transfer this information. The evdev driver automatically
+ * timestamps all input events with the time they were posted and clobbers
+ * whatever information was passed in.
+ *
+ * For the purposes of this hack, the timestamp is specified in the
+ * CLOCK_MONOTONIC timebase and is split into two EV_MSC events specifying
+ * seconds and microseconds.
+ */
+#define MSC_ANDROID_TIME_SEC 0x6
+#define MSC_ANDROID_TIME_USEC 0x7
+
+namespace android {
+
+enum {
+ // Device id of a special "virtual" keyboard that is always present.
+ VIRTUAL_KEYBOARD_ID = -1,
+ // Device id of the "built-in" keyboard if there is one.
+ BUILT_IN_KEYBOARD_ID = 0,
+};
+
+/*
+ * A raw event as retrieved from the EventHub.
+ */
+struct RawEvent {
+ nsecs_t when;
+ int32_t deviceId;
+ int32_t type;
+ int32_t code;
+ int32_t value;
+};
+
+/* Describes an absolute axis. */
+struct RawAbsoluteAxisInfo {
+ bool valid; // true if the information is valid, false otherwise
+
+ int32_t minValue; // minimum value
+ int32_t maxValue; // maximum value
+ int32_t flat; // center flat position, eg. flat == 8 means center is between -8 and 8
+ int32_t fuzz; // error tolerance, eg. fuzz == 4 means value is +/- 4 due to noise
+ int32_t resolution; // resolution in units per mm or radians per mm
+
+ inline void clear() {
+ valid = false;
+ minValue = 0;
+ maxValue = 0;
+ flat = 0;
+ fuzz = 0;
+ resolution = 0;
+ }
+};
+
+/*
+ * Input device classes.
+ */
+enum {
+ /* The input device is a keyboard or has buttons. */
+ INPUT_DEVICE_CLASS_KEYBOARD = 0x00000001,
+
+ /* The input device is an alpha-numeric keyboard (not just a dial pad). */
+ INPUT_DEVICE_CLASS_ALPHAKEY = 0x00000002,
+
+ /* The input device is a touchscreen or a touchpad (either single-touch or multi-touch). */
+ INPUT_DEVICE_CLASS_TOUCH = 0x00000004,
+
+ /* The input device is a cursor device such as a trackball or mouse. */
+ INPUT_DEVICE_CLASS_CURSOR = 0x00000008,
+
+ /* The input device is a multi-touch touchscreen. */
+ INPUT_DEVICE_CLASS_TOUCH_MT = 0x00000010,
+
+ /* The input device is a directional pad (implies keyboard, has DPAD keys). */
+ INPUT_DEVICE_CLASS_DPAD = 0x00000020,
+
+ /* The input device is a gamepad (implies keyboard, has BUTTON keys). */
+ INPUT_DEVICE_CLASS_GAMEPAD = 0x00000040,
+
+ /* The input device has switches. */
+ INPUT_DEVICE_CLASS_SWITCH = 0x00000080,
+
+ /* The input device is a joystick (implies gamepad, has joystick absolute axes). */
+ INPUT_DEVICE_CLASS_JOYSTICK = 0x00000100,
+
+ /* The input device has a vibrator (supports FF_RUMBLE). */
+ INPUT_DEVICE_CLASS_VIBRATOR = 0x00000200,
+
+ /* The input device is virtual (not a real device, not part of UI configuration). */
+ INPUT_DEVICE_CLASS_VIRTUAL = 0x40000000,
+
+ /* The input device is external (not built-in). */
+ INPUT_DEVICE_CLASS_EXTERNAL = 0x80000000,
+};
+
+/*
+ * Gets the class that owns an axis, in cases where multiple classes might claim
+ * the same axis for different purposes.
+ */
+extern uint32_t getAbsAxisUsage(int32_t axis, uint32_t deviceClasses);
+
+/*
+ * Grand Central Station for events.
+ *
+ * The event hub aggregates input events received across all known input
+ * devices on the system, including devices that may be emulated by the simulator
+ * environment. In addition, the event hub generates fake input events to indicate
+ * when devices are added or removed.
+ *
+ * The event hub provides a stream of input events (via the getEvent function).
+ * It also supports querying the current actual state of input devices such as identifying
+ * which keys are currently down. Finally, the event hub keeps track of the capabilities of
+ * individual input devices, such as their class and the set of key codes that they support.
+ */
+class EventHubInterface : public virtual RefBase {
+protected:
+ EventHubInterface() { }
+ virtual ~EventHubInterface() { }
+
+public:
+ // Synthetic raw event type codes produced when devices are added or removed.
+ enum {
+ // Sent when a device is added.
+ DEVICE_ADDED = 0x10000000,
+ // Sent when a device is removed.
+ DEVICE_REMOVED = 0x20000000,
+ // Sent when all added/removed devices from the most recent scan have been reported.
+ // This event is always sent at least once.
+ FINISHED_DEVICE_SCAN = 0x30000000,
+
+ FIRST_SYNTHETIC_EVENT = DEVICE_ADDED,
+ };
+
+ virtual uint32_t getDeviceClasses(int32_t deviceId) const = 0;
+
+ virtual InputDeviceIdentifier getDeviceIdentifier(int32_t deviceId) const = 0;
+
+ virtual int32_t getDeviceControllerNumber(int32_t deviceId) const = 0;
+
+ virtual void getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const = 0;
+
+ virtual status_t getAbsoluteAxisInfo(int32_t deviceId, int axis,
+ RawAbsoluteAxisInfo* outAxisInfo) const = 0;
+
+ virtual bool hasRelativeAxis(int32_t deviceId, int axis) const = 0;
+
+ virtual bool hasInputProperty(int32_t deviceId, int property) const = 0;
+
+ virtual status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
+ int32_t* outKeycode, uint32_t* outFlags) const = 0;
+
+ virtual status_t mapAxis(int32_t deviceId, int32_t scanCode,
+ AxisInfo* outAxisInfo) const = 0;
+
+ // Sets devices that are excluded from opening.
+ // This can be used to ignore input devices for sensors.
+ virtual void setExcludedDevices(const Vector<String8>& devices) = 0;
+
+ /*
+ * Wait for events to become available and returns them.
+ * After returning, the EventHub holds onto a wake lock until the next call to getEvent.
+ * This ensures that the device will not go to sleep while the event is being processed.
+ * If the device needs to remain awake longer than that, then the caller is responsible
+ * for taking care of it (say, by poking the power manager user activity timer).
+ *
+ * The timeout is advisory only. If the device is asleep, it will not wake just to
+ * service the timeout.
+ *
+ * Returns the number of events obtained, or 0 if the timeout expired.
+ */
+ virtual size_t getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) = 0;
+
+ /*
+ * Query current input state.
+ */
+ virtual int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const = 0;
+ virtual int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const = 0;
+ virtual int32_t getSwitchState(int32_t deviceId, int32_t sw) const = 0;
+ virtual status_t getAbsoluteAxisValue(int32_t deviceId, int32_t axis,
+ int32_t* outValue) const = 0;
+
+ /*
+ * Examine key input devices for specific framework keycode support
+ */
+ virtual bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const int32_t* keyCodes,
+ uint8_t* outFlags) const = 0;
+
+ virtual bool hasScanCode(int32_t deviceId, int32_t scanCode) const = 0;
+
+ /* LED related functions expect Android LED constants, not scan codes or HID usages */
+ virtual bool hasLed(int32_t deviceId, int32_t led) const = 0;
+ virtual void setLedState(int32_t deviceId, int32_t led, bool on) = 0;
+
+ virtual void getVirtualKeyDefinitions(int32_t deviceId,
+ Vector<VirtualKeyDefinition>& outVirtualKeys) const = 0;
+
+ virtual sp<KeyCharacterMap> getKeyCharacterMap(int32_t deviceId) const = 0;
+ virtual bool setKeyboardLayoutOverlay(int32_t deviceId, const sp<KeyCharacterMap>& map) = 0;
+
+ /* Control the vibrator. */
+ virtual void vibrate(int32_t deviceId, nsecs_t duration) = 0;
+ virtual void cancelVibrate(int32_t deviceId) = 0;
+
+ /* Requests the EventHub to reopen all input devices on the next call to getEvents(). */
+ virtual void requestReopenDevices() = 0;
+
+ /* Wakes up getEvents() if it is blocked on a read. */
+ virtual void wake() = 0;
+
+ /* Dump EventHub state to a string. */
+ virtual void dump(String8& dump) = 0;
+
+ /* Called by the heatbeat to ensures that the reader has not deadlocked. */
+ virtual void monitor() = 0;
+};
+
+class EventHub : public EventHubInterface
+{
+public:
+ EventHub();
+
+ virtual uint32_t getDeviceClasses(int32_t deviceId) const;
+
+ virtual InputDeviceIdentifier getDeviceIdentifier(int32_t deviceId) const;
+
+ virtual int32_t getDeviceControllerNumber(int32_t deviceId) const;
+
+ virtual void getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const;
+
+ virtual status_t getAbsoluteAxisInfo(int32_t deviceId, int axis,
+ RawAbsoluteAxisInfo* outAxisInfo) const;
+
+ virtual bool hasRelativeAxis(int32_t deviceId, int axis) const;
+
+ virtual bool hasInputProperty(int32_t deviceId, int property) const;
+
+ virtual status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
+ int32_t* outKeycode, uint32_t* outFlags) const;
+
+ virtual status_t mapAxis(int32_t deviceId, int32_t scanCode,
+ AxisInfo* outAxisInfo) const;
+
+ virtual void setExcludedDevices(const Vector<String8>& devices);
+
+ virtual int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const;
+ virtual int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const;
+ virtual int32_t getSwitchState(int32_t deviceId, int32_t sw) const;
+ virtual status_t getAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t* outValue) const;
+
+ virtual bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) const;
+
+ virtual size_t getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize);
+
+ virtual bool hasScanCode(int32_t deviceId, int32_t scanCode) const;
+ virtual bool hasLed(int32_t deviceId, int32_t led) const;
+ virtual void setLedState(int32_t deviceId, int32_t led, bool on);
+
+ virtual void getVirtualKeyDefinitions(int32_t deviceId,
+ Vector<VirtualKeyDefinition>& outVirtualKeys) const;
+
+ virtual sp<KeyCharacterMap> getKeyCharacterMap(int32_t deviceId) const;
+ virtual bool setKeyboardLayoutOverlay(int32_t deviceId, const sp<KeyCharacterMap>& map);
+
+ virtual void vibrate(int32_t deviceId, nsecs_t duration);
+ virtual void cancelVibrate(int32_t deviceId);
+
+ virtual void requestReopenDevices();
+
+ virtual void wake();
+
+ virtual void dump(String8& dump);
+ virtual void monitor();
+
+protected:
+ virtual ~EventHub();
+
+private:
+ struct Device {
+ Device* next;
+
+ int fd; // may be -1 if device is virtual
+ const int32_t id;
+ const String8 path;
+ const InputDeviceIdentifier identifier;
+
+ uint32_t classes;
+
+ uint8_t keyBitmask[(KEY_MAX + 1) / 8];
+ uint8_t absBitmask[(ABS_MAX + 1) / 8];
+ uint8_t relBitmask[(REL_MAX + 1) / 8];
+ uint8_t swBitmask[(SW_MAX + 1) / 8];
+ uint8_t ledBitmask[(LED_MAX + 1) / 8];
+ uint8_t ffBitmask[(FF_MAX + 1) / 8];
+ uint8_t propBitmask[(INPUT_PROP_MAX + 1) / 8];
+
+ String8 configurationFile;
+ PropertyMap* configuration;
+ VirtualKeyMap* virtualKeyMap;
+ KeyMap keyMap;
+
+ sp<KeyCharacterMap> overlayKeyMap;
+ sp<KeyCharacterMap> combinedKeyMap;
+
+ bool ffEffectPlaying;
+ int16_t ffEffectId; // initially -1
+
+ int32_t controllerNumber;
+
+ int32_t timestampOverrideSec;
+ int32_t timestampOverrideUsec;
+
+ Device(int fd, int32_t id, const String8& path, const InputDeviceIdentifier& identifier);
+ ~Device();
+
+ void close();
+
+ inline bool isVirtual() const { return fd < 0; }
+
+ const sp<KeyCharacterMap>& getKeyCharacterMap() const {
+ if (combinedKeyMap != NULL) {
+ return combinedKeyMap;
+ }
+ return keyMap.keyCharacterMap;
+ }
+ };
+
+ status_t openDeviceLocked(const char *devicePath);
+ void createVirtualKeyboardLocked();
+ void addDeviceLocked(Device* device);
+ void assignDescriptorLocked(InputDeviceIdentifier& identifier);
+
+ status_t closeDeviceByPathLocked(const char *devicePath);
+ void closeDeviceLocked(Device* device);
+ void closeAllDevicesLocked();
+
+ status_t scanDirLocked(const char *dirname);
+ void scanDevicesLocked();
+ status_t readNotifyLocked();
+
+ Device* getDeviceByDescriptorLocked(String8& descriptor) const;
+ Device* getDeviceLocked(int32_t deviceId) const;
+ Device* getDeviceByPathLocked(const char* devicePath) const;
+
+ bool hasKeycodeLocked(Device* device, int keycode) const;
+
+ void loadConfigurationLocked(Device* device);
+ status_t loadVirtualKeyMapLocked(Device* device);
+ status_t loadKeyMapLocked(Device* device);
+
+ bool isExternalDeviceLocked(Device* device);
+
+ int32_t getNextControllerNumberLocked(Device* device);
+ void releaseControllerNumberLocked(Device* device);
+ void setLedForController(Device* device);
+
+ status_t mapLed(Device* device, int32_t led, int32_t* outScanCode) const;
+ void setLedStateLocked(Device* device, int32_t led, bool on);
+
+ // Protect all internal state.
+ mutable Mutex mLock;
+
+ // The actual id of the built-in keyboard, or NO_BUILT_IN_KEYBOARD if none.
+ // EventHub remaps the built-in keyboard to id 0 externally as required by the API.
+ enum {
+ // Must not conflict with any other assigned device ids, including
+ // the virtual keyboard id (-1).
+ NO_BUILT_IN_KEYBOARD = -2,
+ };
+ int32_t mBuiltInKeyboardId;
+
+ int32_t mNextDeviceId;
+
+ BitSet32 mControllerNumbers;
+
+ KeyedVector<int32_t, Device*> mDevices;
+
+ Device *mOpeningDevices;
+ Device *mClosingDevices;
+
+ bool mNeedToSendFinishedDeviceScan;
+ bool mNeedToReopenDevices;
+ bool mNeedToScanDevices;
+ Vector<String8> mExcludedDevices;
+
+ int mEpollFd;
+ int mINotifyFd;
+ int mWakeReadPipeFd;
+ int mWakeWritePipeFd;
+
+ // Ids used for epoll notifications not associated with devices.
+ static const uint32_t EPOLL_ID_INOTIFY = 0x80000001;
+ static const uint32_t EPOLL_ID_WAKE = 0x80000002;
+
+ // Epoll FD list size hint.
+ static const int EPOLL_SIZE_HINT = 8;
+
+ // Maximum number of signalled FDs to handle at a time.
+ static const int EPOLL_MAX_EVENTS = 16;
+
+ // The array of pending epoll events and the index of the next event to be handled.
+ struct epoll_event mPendingEventItems[EPOLL_MAX_EVENTS];
+ size_t mPendingEventCount;
+ size_t mPendingEventIndex;
+ bool mPendingINotify;
+
+ bool mUsingEpollWakeup;
+};
+
+}; // namespace android
+
+#endif // _RUNTIME_EVENT_HUB_H
diff --git a/libs/input/InputApplication.cpp b/libs/input/InputApplication.cpp
new file mode 100644
index 0000000..a99e637
--- /dev/null
+++ b/libs/input/InputApplication.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "InputApplication"
+
+#include "InputApplication.h"
+
+#include <cutils/log.h>
+
+namespace android {
+
+// --- InputApplicationHandle ---
+
+InputApplicationHandle::InputApplicationHandle() :
+ mInfo(NULL) {
+}
+
+InputApplicationHandle::~InputApplicationHandle() {
+ delete mInfo;
+}
+
+void InputApplicationHandle::releaseInfo() {
+ if (mInfo) {
+ delete mInfo;
+ mInfo = NULL;
+ }
+}
+
+} // namespace android
diff --git a/libs/input/InputApplication.h b/libs/input/InputApplication.h
new file mode 100644
index 0000000..1f5504c
--- /dev/null
+++ b/libs/input/InputApplication.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_APPLICATION_H
+#define _UI_INPUT_APPLICATION_H
+
+#include <input/Input.h>
+
+#include <utils/RefBase.h>
+#include <utils/Timers.h>
+#include <utils/String8.h>
+
+namespace android {
+
+/*
+ * Describes the properties of an application that can receive input.
+ */
+struct InputApplicationInfo {
+ String8 name;
+ nsecs_t dispatchingTimeout;
+};
+
+
+/*
+ * Handle for an application that can receive input.
+ *
+ * Used by the native input dispatcher as a handle for the window manager objects
+ * that describe an application.
+ */
+class InputApplicationHandle : public RefBase {
+public:
+ inline const InputApplicationInfo* getInfo() const {
+ return mInfo;
+ }
+
+ inline String8 getName() const {
+ return mInfo ? mInfo->name : String8("<invalid>");
+ }
+
+ inline nsecs_t getDispatchingTimeout(nsecs_t defaultValue) const {
+ return mInfo ? mInfo->dispatchingTimeout : defaultValue;
+ }
+
+ /**
+ * Requests that the state of this object be updated to reflect
+ * the most current available information about the application.
+ *
+ * This method should only be called from within the input dispatcher's
+ * critical section.
+ *
+ * Returns true on success, or false if the handle is no longer valid.
+ */
+ virtual bool updateInfo() = 0;
+
+ /**
+ * Releases the storage used by the associated information when it is
+ * no longer needed.
+ */
+ void releaseInfo();
+
+protected:
+ InputApplicationHandle();
+ virtual ~InputApplicationHandle();
+
+ InputApplicationInfo* mInfo;
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_APPLICATION_H
diff --git a/libs/input/InputDispatcher.cpp b/libs/input/InputDispatcher.cpp
new file mode 100644
index 0000000..8c8e705
--- /dev/null
+++ b/libs/input/InputDispatcher.cpp
@@ -0,0 +1,4473 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "InputDispatcher"
+#define ATRACE_TAG ATRACE_TAG_INPUT
+
+//#define LOG_NDEBUG 0
+
+// Log detailed debug messages about each inbound event notification to the dispatcher.
+#define DEBUG_INBOUND_EVENT_DETAILS 0
+
+// Log detailed debug messages about each outbound event processed by the dispatcher.
+#define DEBUG_OUTBOUND_EVENT_DETAILS 0
+
+// Log debug messages about the dispatch cycle.
+#define DEBUG_DISPATCH_CYCLE 0
+
+// Log debug messages about registrations.
+#define DEBUG_REGISTRATION 0
+
+// Log debug messages about input event injection.
+#define DEBUG_INJECTION 0
+
+// Log debug messages about input focus tracking.
+#define DEBUG_FOCUS 0
+
+// Log debug messages about the app switch latency optimization.
+#define DEBUG_APP_SWITCH 0
+
+// Log debug messages about hover events.
+#define DEBUG_HOVER 0
+
+#include "InputDispatcher.h"
+
+#include <utils/Trace.h>
+#include <cutils/log.h>
+#include <androidfw/PowerManager.h>
+#include <ui/Region.h>
+
+#include <stddef.h>
+#include <unistd.h>
+#include <errno.h>
+#include <limits.h>
+#include <time.h>
+
+#define INDENT " "
+#define INDENT2 " "
+#define INDENT3 " "
+#define INDENT4 " "
+
+namespace android {
+
+// Default input dispatching timeout if there is no focused application or paused window
+// from which to determine an appropriate dispatching timeout.
+const nsecs_t DEFAULT_INPUT_DISPATCHING_TIMEOUT = 5000 * 1000000LL; // 5 sec
+
+// Amount of time to allow for all pending events to be processed when an app switch
+// key is on the way. This is used to preempt input dispatch and drop input events
+// when an application takes too long to respond and the user has pressed an app switch key.
+const nsecs_t APP_SWITCH_TIMEOUT = 500 * 1000000LL; // 0.5sec
+
+// Amount of time to allow for an event to be dispatched (measured since its eventTime)
+// before considering it stale and dropping it.
+const nsecs_t STALE_EVENT_TIMEOUT = 10000 * 1000000LL; // 10sec
+
+// Amount of time to allow touch events to be streamed out to a connection before requiring
+// that the first event be finished. This value extends the ANR timeout by the specified
+// amount. For example, if streaming is allowed to get ahead by one second relative to the
+// queue of waiting unfinished events, then ANRs will similarly be delayed by one second.
+const nsecs_t STREAM_AHEAD_EVENT_TIMEOUT = 500 * 1000000LL; // 0.5sec
+
+// Log a warning when an event takes longer than this to process, even if an ANR does not occur.
+const nsecs_t SLOW_EVENT_PROCESSING_WARNING_TIMEOUT = 2000 * 1000000LL; // 2sec
+
+// Number of recent events to keep for debugging purposes.
+const size_t RECENT_QUEUE_MAX_SIZE = 10;
+
+static inline nsecs_t now() {
+ return systemTime(SYSTEM_TIME_MONOTONIC);
+}
+
+static inline const char* toString(bool value) {
+ return value ? "true" : "false";
+}
+
+static inline int32_t getMotionEventActionPointerIndex(int32_t action) {
+ return (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK)
+ >> AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
+}
+
+static bool isValidKeyAction(int32_t action) {
+ switch (action) {
+ case AKEY_EVENT_ACTION_DOWN:
+ case AKEY_EVENT_ACTION_UP:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool validateKeyEvent(int32_t action) {
+ if (! isValidKeyAction(action)) {
+ ALOGE("Key event has invalid action code 0x%x", action);
+ return false;
+ }
+ return true;
+}
+
+static bool isValidMotionAction(int32_t action, size_t pointerCount) {
+ switch (action & AMOTION_EVENT_ACTION_MASK) {
+ case AMOTION_EVENT_ACTION_DOWN:
+ case AMOTION_EVENT_ACTION_UP:
+ case AMOTION_EVENT_ACTION_CANCEL:
+ case AMOTION_EVENT_ACTION_MOVE:
+ case AMOTION_EVENT_ACTION_OUTSIDE:
+ case AMOTION_EVENT_ACTION_HOVER_ENTER:
+ case AMOTION_EVENT_ACTION_HOVER_MOVE:
+ case AMOTION_EVENT_ACTION_HOVER_EXIT:
+ case AMOTION_EVENT_ACTION_SCROLL:
+ return true;
+ case AMOTION_EVENT_ACTION_POINTER_DOWN:
+ case AMOTION_EVENT_ACTION_POINTER_UP: {
+ int32_t index = getMotionEventActionPointerIndex(action);
+ return index >= 0 && size_t(index) < pointerCount;
+ }
+ default:
+ return false;
+ }
+}
+
+static bool validateMotionEvent(int32_t action, size_t pointerCount,
+ const PointerProperties* pointerProperties) {
+ if (! isValidMotionAction(action, pointerCount)) {
+ ALOGE("Motion event has invalid action code 0x%x", action);
+ return false;
+ }
+ if (pointerCount < 1 || pointerCount > MAX_POINTERS) {
+ ALOGE("Motion event has invalid pointer count %d; value must be between 1 and %d.",
+ pointerCount, MAX_POINTERS);
+ return false;
+ }
+ BitSet32 pointerIdBits;
+ for (size_t i = 0; i < pointerCount; i++) {
+ int32_t id = pointerProperties[i].id;
+ if (id < 0 || id > MAX_POINTER_ID) {
+ ALOGE("Motion event has invalid pointer id %d; value must be between 0 and %d",
+ id, MAX_POINTER_ID);
+ return false;
+ }
+ if (pointerIdBits.hasBit(id)) {
+ ALOGE("Motion event has duplicate pointer id %d", id);
+ return false;
+ }
+ pointerIdBits.markBit(id);
+ }
+ return true;
+}
+
+static bool isMainDisplay(int32_t displayId) {
+ return displayId == ADISPLAY_ID_DEFAULT || displayId == ADISPLAY_ID_NONE;
+}
+
+static void dumpRegion(String8& dump, const Region& region) {
+ if (region.isEmpty()) {
+ dump.append("<empty>");
+ return;
+ }
+
+ bool first = true;
+ Region::const_iterator cur = region.begin();
+ Region::const_iterator const tail = region.end();
+ while (cur != tail) {
+ if (first) {
+ first = false;
+ } else {
+ dump.append("|");
+ }
+ dump.appendFormat("[%d,%d][%d,%d]", cur->left, cur->top, cur->right, cur->bottom);
+ cur++;
+ }
+}
+
+
+// --- InputDispatcher ---
+
+InputDispatcher::InputDispatcher(const sp<InputDispatcherPolicyInterface>& policy) :
+ mPolicy(policy),
+ mPendingEvent(NULL), mAppSwitchSawKeyDown(false), mAppSwitchDueTime(LONG_LONG_MAX),
+ mNextUnblockedEvent(NULL),
+ mDispatchEnabled(false), mDispatchFrozen(false), mInputFilterEnabled(false),
+ mInputTargetWaitCause(INPUT_TARGET_WAIT_CAUSE_NONE) {
+ mLooper = new Looper(false);
+
+ mKeyRepeatState.lastKeyEntry = NULL;
+
+ policy->getDispatcherConfiguration(&mConfig);
+}
+
+InputDispatcher::~InputDispatcher() {
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ resetKeyRepeatLocked();
+ releasePendingEventLocked();
+ drainInboundQueueLocked();
+ }
+
+ while (mConnectionsByFd.size() != 0) {
+ unregisterInputChannel(mConnectionsByFd.valueAt(0)->inputChannel);
+ }
+}
+
+void InputDispatcher::dispatchOnce() {
+ nsecs_t nextWakeupTime = LONG_LONG_MAX;
+ { // acquire lock
+ AutoMutex _l(mLock);
+ mDispatcherIsAliveCondition.broadcast();
+
+ // Run a dispatch loop if there are no pending commands.
+ // The dispatch loop might enqueue commands to run afterwards.
+ if (!haveCommandsLocked()) {
+ dispatchOnceInnerLocked(&nextWakeupTime);
+ }
+
+ // Run all pending commands if there are any.
+ // If any commands were run then force the next poll to wake up immediately.
+ if (runCommandsLockedInterruptible()) {
+ nextWakeupTime = LONG_LONG_MIN;
+ }
+ } // release lock
+
+ // Wait for callback or timeout or wake. (make sure we round up, not down)
+ nsecs_t currentTime = now();
+ int timeoutMillis = toMillisecondTimeoutDelay(currentTime, nextWakeupTime);
+ mLooper->pollOnce(timeoutMillis);
+}
+
+void InputDispatcher::dispatchOnceInnerLocked(nsecs_t* nextWakeupTime) {
+ nsecs_t currentTime = now();
+
+ // Reset the key repeat timer whenever we disallow key events, even if the next event
+ // is not a key. This is to ensure that we abort a key repeat if the device is just coming
+ // out of sleep.
+ if (!mPolicy->isKeyRepeatEnabled()) {
+ resetKeyRepeatLocked();
+ }
+
+ // If dispatching is frozen, do not process timeouts or try to deliver any new events.
+ if (mDispatchFrozen) {
+#if DEBUG_FOCUS
+ ALOGD("Dispatch frozen. Waiting some more.");
+#endif
+ return;
+ }
+
+ // Optimize latency of app switches.
+ // Essentially we start a short timeout when an app switch key (HOME / ENDCALL) has
+ // been pressed. When it expires, we preempt dispatch and drop all other pending events.
+ bool isAppSwitchDue = mAppSwitchDueTime <= currentTime;
+ if (mAppSwitchDueTime < *nextWakeupTime) {
+ *nextWakeupTime = mAppSwitchDueTime;
+ }
+
+ // Ready to start a new event.
+ // If we don't already have a pending event, go grab one.
+ if (! mPendingEvent) {
+ if (mInboundQueue.isEmpty()) {
+ if (isAppSwitchDue) {
+ // The inbound queue is empty so the app switch key we were waiting
+ // for will never arrive. Stop waiting for it.
+ resetPendingAppSwitchLocked(false);
+ isAppSwitchDue = false;
+ }
+
+ // Synthesize a key repeat if appropriate.
+ if (mKeyRepeatState.lastKeyEntry) {
+ if (currentTime >= mKeyRepeatState.nextRepeatTime) {
+ mPendingEvent = synthesizeKeyRepeatLocked(currentTime);
+ } else {
+ if (mKeyRepeatState.nextRepeatTime < *nextWakeupTime) {
+ *nextWakeupTime = mKeyRepeatState.nextRepeatTime;
+ }
+ }
+ }
+
+ // Nothing to do if there is no pending event.
+ if (!mPendingEvent) {
+ return;
+ }
+ } else {
+ // Inbound queue has at least one entry.
+ mPendingEvent = mInboundQueue.dequeueAtHead();
+ traceInboundQueueLengthLocked();
+ }
+
+ // Poke user activity for this event.
+ if (mPendingEvent->policyFlags & POLICY_FLAG_PASS_TO_USER) {
+ pokeUserActivityLocked(mPendingEvent);
+ }
+
+ // Get ready to dispatch the event.
+ resetANRTimeoutsLocked();
+ }
+
+ // Now we have an event to dispatch.
+ // All events are eventually dequeued and processed this way, even if we intend to drop them.
+ ALOG_ASSERT(mPendingEvent != NULL);
+ bool done = false;
+ DropReason dropReason = DROP_REASON_NOT_DROPPED;
+ if (!(mPendingEvent->policyFlags & POLICY_FLAG_PASS_TO_USER)) {
+ dropReason = DROP_REASON_POLICY;
+ } else if (!mDispatchEnabled) {
+ dropReason = DROP_REASON_DISABLED;
+ }
+
+ if (mNextUnblockedEvent == mPendingEvent) {
+ mNextUnblockedEvent = NULL;
+ }
+
+ switch (mPendingEvent->type) {
+ case EventEntry::TYPE_CONFIGURATION_CHANGED: {
+ ConfigurationChangedEntry* typedEntry =
+ static_cast<ConfigurationChangedEntry*>(mPendingEvent);
+ done = dispatchConfigurationChangedLocked(currentTime, typedEntry);
+ dropReason = DROP_REASON_NOT_DROPPED; // configuration changes are never dropped
+ break;
+ }
+
+ case EventEntry::TYPE_DEVICE_RESET: {
+ DeviceResetEntry* typedEntry =
+ static_cast<DeviceResetEntry*>(mPendingEvent);
+ done = dispatchDeviceResetLocked(currentTime, typedEntry);
+ dropReason = DROP_REASON_NOT_DROPPED; // device resets are never dropped
+ break;
+ }
+
+ case EventEntry::TYPE_KEY: {
+ KeyEntry* typedEntry = static_cast<KeyEntry*>(mPendingEvent);
+ if (isAppSwitchDue) {
+ if (isAppSwitchKeyEventLocked(typedEntry)) {
+ resetPendingAppSwitchLocked(true);
+ isAppSwitchDue = false;
+ } else if (dropReason == DROP_REASON_NOT_DROPPED) {
+ dropReason = DROP_REASON_APP_SWITCH;
+ }
+ }
+ if (dropReason == DROP_REASON_NOT_DROPPED
+ && isStaleEventLocked(currentTime, typedEntry)) {
+ dropReason = DROP_REASON_STALE;
+ }
+ if (dropReason == DROP_REASON_NOT_DROPPED && mNextUnblockedEvent) {
+ dropReason = DROP_REASON_BLOCKED;
+ }
+ done = dispatchKeyLocked(currentTime, typedEntry, &dropReason, nextWakeupTime);
+ break;
+ }
+
+ case EventEntry::TYPE_MOTION: {
+ MotionEntry* typedEntry = static_cast<MotionEntry*>(mPendingEvent);
+ if (dropReason == DROP_REASON_NOT_DROPPED && isAppSwitchDue) {
+ dropReason = DROP_REASON_APP_SWITCH;
+ }
+ if (dropReason == DROP_REASON_NOT_DROPPED
+ && isStaleEventLocked(currentTime, typedEntry)) {
+ dropReason = DROP_REASON_STALE;
+ }
+ if (dropReason == DROP_REASON_NOT_DROPPED && mNextUnblockedEvent) {
+ dropReason = DROP_REASON_BLOCKED;
+ }
+ done = dispatchMotionLocked(currentTime, typedEntry,
+ &dropReason, nextWakeupTime);
+ break;
+ }
+
+ default:
+ ALOG_ASSERT(false);
+ break;
+ }
+
+ if (done) {
+ if (dropReason != DROP_REASON_NOT_DROPPED) {
+ dropInboundEventLocked(mPendingEvent, dropReason);
+ }
+
+ releasePendingEventLocked();
+ *nextWakeupTime = LONG_LONG_MIN; // force next poll to wake up immediately
+ }
+}
+
+bool InputDispatcher::enqueueInboundEventLocked(EventEntry* entry) {
+ bool needWake = mInboundQueue.isEmpty();
+ mInboundQueue.enqueueAtTail(entry);
+ traceInboundQueueLengthLocked();
+
+ switch (entry->type) {
+ case EventEntry::TYPE_KEY: {
+ // Optimize app switch latency.
+ // If the application takes too long to catch up then we drop all events preceding
+ // the app switch key.
+ KeyEntry* keyEntry = static_cast<KeyEntry*>(entry);
+ if (isAppSwitchKeyEventLocked(keyEntry)) {
+ if (keyEntry->action == AKEY_EVENT_ACTION_DOWN) {
+ mAppSwitchSawKeyDown = true;
+ } else if (keyEntry->action == AKEY_EVENT_ACTION_UP) {
+ if (mAppSwitchSawKeyDown) {
+#if DEBUG_APP_SWITCH
+ ALOGD("App switch is pending!");
+#endif
+ mAppSwitchDueTime = keyEntry->eventTime + APP_SWITCH_TIMEOUT;
+ mAppSwitchSawKeyDown = false;
+ needWake = true;
+ }
+ }
+ }
+ break;
+ }
+
+ case EventEntry::TYPE_MOTION: {
+ // Optimize case where the current application is unresponsive and the user
+ // decides to touch a window in a different application.
+ // If the application takes too long to catch up then we drop all events preceding
+ // the touch into the other window.
+ MotionEntry* motionEntry = static_cast<MotionEntry*>(entry);
+ if (motionEntry->action == AMOTION_EVENT_ACTION_DOWN
+ && (motionEntry->source & AINPUT_SOURCE_CLASS_POINTER)
+ && mInputTargetWaitCause == INPUT_TARGET_WAIT_CAUSE_APPLICATION_NOT_READY
+ && mInputTargetWaitApplicationHandle != NULL) {
+ int32_t displayId = motionEntry->displayId;
+ int32_t x = int32_t(motionEntry->pointerCoords[0].
+ getAxisValue(AMOTION_EVENT_AXIS_X));
+ int32_t y = int32_t(motionEntry->pointerCoords[0].
+ getAxisValue(AMOTION_EVENT_AXIS_Y));
+ sp<InputWindowHandle> touchedWindowHandle = findTouchedWindowAtLocked(displayId, x, y);
+ if (touchedWindowHandle != NULL
+ && touchedWindowHandle->inputApplicationHandle
+ != mInputTargetWaitApplicationHandle) {
+ // User touched a different application than the one we are waiting on.
+ // Flag the event, and start pruning the input queue.
+ mNextUnblockedEvent = motionEntry;
+ needWake = true;
+ }
+ }
+ break;
+ }
+ }
+
+ return needWake;
+}
+
+void InputDispatcher::addRecentEventLocked(EventEntry* entry) {
+ entry->refCount += 1;
+ mRecentQueue.enqueueAtTail(entry);
+ if (mRecentQueue.count() > RECENT_QUEUE_MAX_SIZE) {
+ mRecentQueue.dequeueAtHead()->release();
+ }
+}
+
+sp<InputWindowHandle> InputDispatcher::findTouchedWindowAtLocked(int32_t displayId,
+ int32_t x, int32_t y) {
+ // Traverse windows from front to back to find touched window.
+ size_t numWindows = mWindowHandles.size();
+ for (size_t i = 0; i < numWindows; i++) {
+ sp<InputWindowHandle> windowHandle = mWindowHandles.itemAt(i);
+ const InputWindowInfo* windowInfo = windowHandle->getInfo();
+ if (windowInfo->displayId == displayId) {
+ int32_t flags = windowInfo->layoutParamsFlags;
+ int32_t privateFlags = windowInfo->layoutParamsPrivateFlags;
+
+ if (windowInfo->visible) {
+ if (!(flags & InputWindowInfo::FLAG_NOT_TOUCHABLE)) {
+ bool isTouchModal = (flags & (InputWindowInfo::FLAG_NOT_FOCUSABLE
+ | InputWindowInfo::FLAG_NOT_TOUCH_MODAL)) == 0;
+ if (isTouchModal || windowInfo->touchableRegionContainsPoint(x, y)) {
+ // Found window.
+ return windowHandle;
+ }
+ }
+ }
+
+ if (privateFlags & InputWindowInfo::PRIVATE_FLAG_SYSTEM_ERROR) {
+ // Error window is on top but not visible, so touch is dropped.
+ return NULL;
+ }
+ }
+ }
+ return NULL;
+}
+
+void InputDispatcher::dropInboundEventLocked(EventEntry* entry, DropReason dropReason) {
+ const char* reason;
+ switch (dropReason) {
+ case DROP_REASON_POLICY:
+#if DEBUG_INBOUND_EVENT_DETAILS
+ ALOGD("Dropped event because policy consumed it.");
+#endif
+ reason = "inbound event was dropped because the policy consumed it";
+ break;
+ case DROP_REASON_DISABLED:
+ ALOGI("Dropped event because input dispatch is disabled.");
+ reason = "inbound event was dropped because input dispatch is disabled";
+ break;
+ case DROP_REASON_APP_SWITCH:
+ ALOGI("Dropped event because of pending overdue app switch.");
+ reason = "inbound event was dropped because of pending overdue app switch";
+ break;
+ case DROP_REASON_BLOCKED:
+ ALOGI("Dropped event because the current application is not responding and the user "
+ "has started interacting with a different application.");
+ reason = "inbound event was dropped because the current application is not responding "
+ "and the user has started interacting with a different application";
+ break;
+ case DROP_REASON_STALE:
+ ALOGI("Dropped event because it is stale.");
+ reason = "inbound event was dropped because it is stale";
+ break;
+ default:
+ ALOG_ASSERT(false);
+ return;
+ }
+
+ switch (entry->type) {
+ case EventEntry::TYPE_KEY: {
+ CancelationOptions options(CancelationOptions::CANCEL_NON_POINTER_EVENTS, reason);
+ synthesizeCancelationEventsForAllConnectionsLocked(options);
+ break;
+ }
+ case EventEntry::TYPE_MOTION: {
+ MotionEntry* motionEntry = static_cast<MotionEntry*>(entry);
+ if (motionEntry->source & AINPUT_SOURCE_CLASS_POINTER) {
+ CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS, reason);
+ synthesizeCancelationEventsForAllConnectionsLocked(options);
+ } else {
+ CancelationOptions options(CancelationOptions::CANCEL_NON_POINTER_EVENTS, reason);
+ synthesizeCancelationEventsForAllConnectionsLocked(options);
+ }
+ break;
+ }
+ }
+}
+
+bool InputDispatcher::isAppSwitchKeyCode(int32_t keyCode) {
+ return keyCode == AKEYCODE_HOME
+ || keyCode == AKEYCODE_ENDCALL
+ || keyCode == AKEYCODE_APP_SWITCH;
+}
+
+bool InputDispatcher::isAppSwitchKeyEventLocked(KeyEntry* keyEntry) {
+ return ! (keyEntry->flags & AKEY_EVENT_FLAG_CANCELED)
+ && isAppSwitchKeyCode(keyEntry->keyCode)
+ && (keyEntry->policyFlags & POLICY_FLAG_TRUSTED)
+ && (keyEntry->policyFlags & POLICY_FLAG_PASS_TO_USER);
+}
+
+bool InputDispatcher::isAppSwitchPendingLocked() {
+ return mAppSwitchDueTime != LONG_LONG_MAX;
+}
+
+void InputDispatcher::resetPendingAppSwitchLocked(bool handled) {
+ mAppSwitchDueTime = LONG_LONG_MAX;
+
+#if DEBUG_APP_SWITCH
+ if (handled) {
+ ALOGD("App switch has arrived.");
+ } else {
+ ALOGD("App switch was abandoned.");
+ }
+#endif
+}
+
+bool InputDispatcher::isStaleEventLocked(nsecs_t currentTime, EventEntry* entry) {
+ return currentTime - entry->eventTime >= STALE_EVENT_TIMEOUT;
+}
+
+bool InputDispatcher::haveCommandsLocked() const {
+ return !mCommandQueue.isEmpty();
+}
+
+bool InputDispatcher::runCommandsLockedInterruptible() {
+ if (mCommandQueue.isEmpty()) {
+ return false;
+ }
+
+ do {
+ CommandEntry* commandEntry = mCommandQueue.dequeueAtHead();
+
+ Command command = commandEntry->command;
+ (this->*command)(commandEntry); // commands are implicitly 'LockedInterruptible'
+
+ commandEntry->connection.clear();
+ delete commandEntry;
+ } while (! mCommandQueue.isEmpty());
+ return true;
+}
+
+InputDispatcher::CommandEntry* InputDispatcher::postCommandLocked(Command command) {
+ CommandEntry* commandEntry = new CommandEntry(command);
+ mCommandQueue.enqueueAtTail(commandEntry);
+ return commandEntry;
+}
+
+void InputDispatcher::drainInboundQueueLocked() {
+ while (! mInboundQueue.isEmpty()) {
+ EventEntry* entry = mInboundQueue.dequeueAtHead();
+ releaseInboundEventLocked(entry);
+ }
+ traceInboundQueueLengthLocked();
+}
+
+void InputDispatcher::releasePendingEventLocked() {
+ if (mPendingEvent) {
+ resetANRTimeoutsLocked();
+ releaseInboundEventLocked(mPendingEvent);
+ mPendingEvent = NULL;
+ }
+}
+
+void InputDispatcher::releaseInboundEventLocked(EventEntry* entry) {
+ InjectionState* injectionState = entry->injectionState;
+ if (injectionState && injectionState->injectionResult == INPUT_EVENT_INJECTION_PENDING) {
+#if DEBUG_DISPATCH_CYCLE
+ ALOGD("Injected inbound event was dropped.");
+#endif
+ setInjectionResultLocked(entry, INPUT_EVENT_INJECTION_FAILED);
+ }
+ if (entry == mNextUnblockedEvent) {
+ mNextUnblockedEvent = NULL;
+ }
+ addRecentEventLocked(entry);
+ entry->release();
+}
+
+void InputDispatcher::resetKeyRepeatLocked() {
+ if (mKeyRepeatState.lastKeyEntry) {
+ mKeyRepeatState.lastKeyEntry->release();
+ mKeyRepeatState.lastKeyEntry = NULL;
+ }
+}
+
+InputDispatcher::KeyEntry* InputDispatcher::synthesizeKeyRepeatLocked(nsecs_t currentTime) {
+ KeyEntry* entry = mKeyRepeatState.lastKeyEntry;
+
+ // Reuse the repeated key entry if it is otherwise unreferenced.
+ uint32_t policyFlags = (entry->policyFlags & POLICY_FLAG_RAW_MASK)
+ | POLICY_FLAG_PASS_TO_USER | POLICY_FLAG_TRUSTED;
+ if (entry->refCount == 1) {
+ entry->recycle();
+ entry->eventTime = currentTime;
+ entry->policyFlags = policyFlags;
+ entry->repeatCount += 1;
+ } else {
+ KeyEntry* newEntry = new KeyEntry(currentTime,
+ entry->deviceId, entry->source, policyFlags,
+ entry->action, entry->flags, entry->keyCode, entry->scanCode,
+ entry->metaState, entry->repeatCount + 1, entry->downTime);
+
+ mKeyRepeatState.lastKeyEntry = newEntry;
+ entry->release();
+
+ entry = newEntry;
+ }
+ entry->syntheticRepeat = true;
+
+ // Increment reference count since we keep a reference to the event in
+ // mKeyRepeatState.lastKeyEntry in addition to the one we return.
+ entry->refCount += 1;
+
+ mKeyRepeatState.nextRepeatTime = currentTime + mConfig.keyRepeatDelay;
+ return entry;
+}
+
+bool InputDispatcher::dispatchConfigurationChangedLocked(
+ nsecs_t currentTime, ConfigurationChangedEntry* entry) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("dispatchConfigurationChanged - eventTime=%lld", entry->eventTime);
+#endif
+
+ // Reset key repeating in case a keyboard device was added or removed or something.
+ resetKeyRepeatLocked();
+
+ // Enqueue a command to run outside the lock to tell the policy that the configuration changed.
+ CommandEntry* commandEntry = postCommandLocked(
+ & InputDispatcher::doNotifyConfigurationChangedInterruptible);
+ commandEntry->eventTime = entry->eventTime;
+ return true;
+}
+
+bool InputDispatcher::dispatchDeviceResetLocked(
+ nsecs_t currentTime, DeviceResetEntry* entry) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("dispatchDeviceReset - eventTime=%lld, deviceId=%d", entry->eventTime, entry->deviceId);
+#endif
+
+ CancelationOptions options(CancelationOptions::CANCEL_ALL_EVENTS,
+ "device was reset");
+ options.deviceId = entry->deviceId;
+ synthesizeCancelationEventsForAllConnectionsLocked(options);
+ return true;
+}
+
+bool InputDispatcher::dispatchKeyLocked(nsecs_t currentTime, KeyEntry* entry,
+ DropReason* dropReason, nsecs_t* nextWakeupTime) {
+ // Preprocessing.
+ if (! entry->dispatchInProgress) {
+ if (entry->repeatCount == 0
+ && entry->action == AKEY_EVENT_ACTION_DOWN
+ && (entry->policyFlags & POLICY_FLAG_TRUSTED)
+ && (!(entry->policyFlags & POLICY_FLAG_DISABLE_KEY_REPEAT))) {
+ if (mKeyRepeatState.lastKeyEntry
+ && mKeyRepeatState.lastKeyEntry->keyCode == entry->keyCode) {
+ // We have seen two identical key downs in a row which indicates that the device
+ // driver is automatically generating key repeats itself. We take note of the
+ // repeat here, but we disable our own next key repeat timer since it is clear that
+ // we will not need to synthesize key repeats ourselves.
+ entry->repeatCount = mKeyRepeatState.lastKeyEntry->repeatCount + 1;
+ resetKeyRepeatLocked();
+ mKeyRepeatState.nextRepeatTime = LONG_LONG_MAX; // don't generate repeats ourselves
+ } else {
+ // Not a repeat. Save key down state in case we do see a repeat later.
+ resetKeyRepeatLocked();
+ mKeyRepeatState.nextRepeatTime = entry->eventTime + mConfig.keyRepeatTimeout;
+ }
+ mKeyRepeatState.lastKeyEntry = entry;
+ entry->refCount += 1;
+ } else if (! entry->syntheticRepeat) {
+ resetKeyRepeatLocked();
+ }
+
+ if (entry->repeatCount == 1) {
+ entry->flags |= AKEY_EVENT_FLAG_LONG_PRESS;
+ } else {
+ entry->flags &= ~AKEY_EVENT_FLAG_LONG_PRESS;
+ }
+
+ entry->dispatchInProgress = true;
+
+ logOutboundKeyDetailsLocked("dispatchKey - ", entry);
+ }
+
+ // Handle case where the policy asked us to try again later last time.
+ if (entry->interceptKeyResult == KeyEntry::INTERCEPT_KEY_RESULT_TRY_AGAIN_LATER) {
+ if (currentTime < entry->interceptKeyWakeupTime) {
+ if (entry->interceptKeyWakeupTime < *nextWakeupTime) {
+ *nextWakeupTime = entry->interceptKeyWakeupTime;
+ }
+ return false; // wait until next wakeup
+ }
+ entry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN;
+ entry->interceptKeyWakeupTime = 0;
+ }
+
+ // Give the policy a chance to intercept the key.
+ if (entry->interceptKeyResult == KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN) {
+ if (entry->policyFlags & POLICY_FLAG_PASS_TO_USER) {
+ CommandEntry* commandEntry = postCommandLocked(
+ & InputDispatcher::doInterceptKeyBeforeDispatchingLockedInterruptible);
+ if (mFocusedWindowHandle != NULL) {
+ commandEntry->inputWindowHandle = mFocusedWindowHandle;
+ }
+ commandEntry->keyEntry = entry;
+ entry->refCount += 1;
+ return false; // wait for the command to run
+ } else {
+ entry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_CONTINUE;
+ }
+ } else if (entry->interceptKeyResult == KeyEntry::INTERCEPT_KEY_RESULT_SKIP) {
+ if (*dropReason == DROP_REASON_NOT_DROPPED) {
+ *dropReason = DROP_REASON_POLICY;
+ }
+ }
+
+ // Clean up if dropping the event.
+ if (*dropReason != DROP_REASON_NOT_DROPPED) {
+ setInjectionResultLocked(entry, *dropReason == DROP_REASON_POLICY
+ ? INPUT_EVENT_INJECTION_SUCCEEDED : INPUT_EVENT_INJECTION_FAILED);
+ return true;
+ }
+
+ // Identify targets.
+ Vector<InputTarget> inputTargets;
+ int32_t injectionResult = findFocusedWindowTargetsLocked(currentTime,
+ entry, inputTargets, nextWakeupTime);
+ if (injectionResult == INPUT_EVENT_INJECTION_PENDING) {
+ return false;
+ }
+
+ setInjectionResultLocked(entry, injectionResult);
+ if (injectionResult != INPUT_EVENT_INJECTION_SUCCEEDED) {
+ return true;
+ }
+
+ addMonitoringTargetsLocked(inputTargets);
+
+ // Dispatch the key.
+ dispatchEventLocked(currentTime, entry, inputTargets);
+ return true;
+}
+
+void InputDispatcher::logOutboundKeyDetailsLocked(const char* prefix, const KeyEntry* entry) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("%seventTime=%lld, deviceId=%d, source=0x%x, policyFlags=0x%x, "
+ "action=0x%x, flags=0x%x, keyCode=0x%x, scanCode=0x%x, metaState=0x%x, "
+ "repeatCount=%d, downTime=%lld",
+ prefix,
+ entry->eventTime, entry->deviceId, entry->source, entry->policyFlags,
+ entry->action, entry->flags, entry->keyCode, entry->scanCode, entry->metaState,
+ entry->repeatCount, entry->downTime);
+#endif
+}
+
+bool InputDispatcher::dispatchMotionLocked(
+ nsecs_t currentTime, MotionEntry* entry, DropReason* dropReason, nsecs_t* nextWakeupTime) {
+ // Preprocessing.
+ if (! entry->dispatchInProgress) {
+ entry->dispatchInProgress = true;
+
+ logOutboundMotionDetailsLocked("dispatchMotion - ", entry);
+ }
+
+ // Clean up if dropping the event.
+ if (*dropReason != DROP_REASON_NOT_DROPPED) {
+ setInjectionResultLocked(entry, *dropReason == DROP_REASON_POLICY
+ ? INPUT_EVENT_INJECTION_SUCCEEDED : INPUT_EVENT_INJECTION_FAILED);
+ return true;
+ }
+
+ bool isPointerEvent = entry->source & AINPUT_SOURCE_CLASS_POINTER;
+
+ // Identify targets.
+ Vector<InputTarget> inputTargets;
+
+ bool conflictingPointerActions = false;
+ int32_t injectionResult;
+ if (isPointerEvent) {
+ // Pointer event. (eg. touchscreen)
+ injectionResult = findTouchedWindowTargetsLocked(currentTime,
+ entry, inputTargets, nextWakeupTime, &conflictingPointerActions);
+ } else {
+ // Non touch event. (eg. trackball)
+ injectionResult = findFocusedWindowTargetsLocked(currentTime,
+ entry, inputTargets, nextWakeupTime);
+ }
+ if (injectionResult == INPUT_EVENT_INJECTION_PENDING) {
+ return false;
+ }
+
+ setInjectionResultLocked(entry, injectionResult);
+ if (injectionResult != INPUT_EVENT_INJECTION_SUCCEEDED) {
+ return true;
+ }
+
+ // TODO: support sending secondary display events to input monitors
+ if (isMainDisplay(entry->displayId)) {
+ addMonitoringTargetsLocked(inputTargets);
+ }
+
+ // Dispatch the motion.
+ if (conflictingPointerActions) {
+ CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
+ "conflicting pointer actions");
+ synthesizeCancelationEventsForAllConnectionsLocked(options);
+ }
+ dispatchEventLocked(currentTime, entry, inputTargets);
+ return true;
+}
+
+
+void InputDispatcher::logOutboundMotionDetailsLocked(const char* prefix, const MotionEntry* entry) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("%seventTime=%lld, deviceId=%d, source=0x%x, policyFlags=0x%x, "
+ "action=0x%x, flags=0x%x, "
+ "metaState=0x%x, buttonState=0x%x, "
+ "edgeFlags=0x%x, xPrecision=%f, yPrecision=%f, downTime=%lld",
+ prefix,
+ entry->eventTime, entry->deviceId, entry->source, entry->policyFlags,
+ entry->action, entry->flags,
+ entry->metaState, entry->buttonState,
+ entry->edgeFlags, entry->xPrecision, entry->yPrecision,
+ entry->downTime);
+
+ for (uint32_t i = 0; i < entry->pointerCount; i++) {
+ ALOGD(" Pointer %d: id=%d, toolType=%d, "
+ "x=%f, y=%f, pressure=%f, size=%f, "
+ "touchMajor=%f, touchMinor=%f, toolMajor=%f, toolMinor=%f, "
+ "orientation=%f",
+ i, entry->pointerProperties[i].id,
+ entry->pointerProperties[i].toolType,
+ entry->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_X),
+ entry->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_Y),
+ entry->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE),
+ entry->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_SIZE),
+ entry->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR),
+ entry->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR),
+ entry->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR),
+ entry->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR),
+ entry->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION));
+ }
+#endif
+}
+
+void InputDispatcher::dispatchEventLocked(nsecs_t currentTime,
+ EventEntry* eventEntry, const Vector<InputTarget>& inputTargets) {
+#if DEBUG_DISPATCH_CYCLE
+ ALOGD("dispatchEventToCurrentInputTargets");
+#endif
+
+ ALOG_ASSERT(eventEntry->dispatchInProgress); // should already have been set to true
+
+ pokeUserActivityLocked(eventEntry);
+
+ for (size_t i = 0; i < inputTargets.size(); i++) {
+ const InputTarget& inputTarget = inputTargets.itemAt(i);
+
+ ssize_t connectionIndex = getConnectionIndexLocked(inputTarget.inputChannel);
+ if (connectionIndex >= 0) {
+ sp<Connection> connection = mConnectionsByFd.valueAt(connectionIndex);
+ prepareDispatchCycleLocked(currentTime, connection, eventEntry, &inputTarget);
+ } else {
+#if DEBUG_FOCUS
+ ALOGD("Dropping event delivery to target with channel '%s' because it "
+ "is no longer registered with the input dispatcher.",
+ inputTarget.inputChannel->getName().string());
+#endif
+ }
+ }
+}
+
+int32_t InputDispatcher::handleTargetsNotReadyLocked(nsecs_t currentTime,
+ const EventEntry* entry,
+ const sp<InputApplicationHandle>& applicationHandle,
+ const sp<InputWindowHandle>& windowHandle,
+ nsecs_t* nextWakeupTime, const char* reason) {
+ if (applicationHandle == NULL && windowHandle == NULL) {
+ if (mInputTargetWaitCause != INPUT_TARGET_WAIT_CAUSE_SYSTEM_NOT_READY) {
+#if DEBUG_FOCUS
+ ALOGD("Waiting for system to become ready for input. Reason: %s", reason);
+#endif
+ mInputTargetWaitCause = INPUT_TARGET_WAIT_CAUSE_SYSTEM_NOT_READY;
+ mInputTargetWaitStartTime = currentTime;
+ mInputTargetWaitTimeoutTime = LONG_LONG_MAX;
+ mInputTargetWaitTimeoutExpired = false;
+ mInputTargetWaitApplicationHandle.clear();
+ }
+ } else {
+ if (mInputTargetWaitCause != INPUT_TARGET_WAIT_CAUSE_APPLICATION_NOT_READY) {
+#if DEBUG_FOCUS
+ ALOGD("Waiting for application to become ready for input: %s. Reason: %s",
+ getApplicationWindowLabelLocked(applicationHandle, windowHandle).string(),
+ reason);
+#endif
+ nsecs_t timeout;
+ if (windowHandle != NULL) {
+ timeout = windowHandle->getDispatchingTimeout(DEFAULT_INPUT_DISPATCHING_TIMEOUT);
+ } else if (applicationHandle != NULL) {
+ timeout = applicationHandle->getDispatchingTimeout(
+ DEFAULT_INPUT_DISPATCHING_TIMEOUT);
+ } else {
+ timeout = DEFAULT_INPUT_DISPATCHING_TIMEOUT;
+ }
+
+ mInputTargetWaitCause = INPUT_TARGET_WAIT_CAUSE_APPLICATION_NOT_READY;
+ mInputTargetWaitStartTime = currentTime;
+ mInputTargetWaitTimeoutTime = currentTime + timeout;
+ mInputTargetWaitTimeoutExpired = false;
+ mInputTargetWaitApplicationHandle.clear();
+
+ if (windowHandle != NULL) {
+ mInputTargetWaitApplicationHandle = windowHandle->inputApplicationHandle;
+ }
+ if (mInputTargetWaitApplicationHandle == NULL && applicationHandle != NULL) {
+ mInputTargetWaitApplicationHandle = applicationHandle;
+ }
+ }
+ }
+
+ if (mInputTargetWaitTimeoutExpired) {
+ return INPUT_EVENT_INJECTION_TIMED_OUT;
+ }
+
+ if (currentTime >= mInputTargetWaitTimeoutTime) {
+ onANRLocked(currentTime, applicationHandle, windowHandle,
+ entry->eventTime, mInputTargetWaitStartTime, reason);
+
+ // Force poll loop to wake up immediately on next iteration once we get the
+ // ANR response back from the policy.
+ *nextWakeupTime = LONG_LONG_MIN;
+ return INPUT_EVENT_INJECTION_PENDING;
+ } else {
+ // Force poll loop to wake up when timeout is due.
+ if (mInputTargetWaitTimeoutTime < *nextWakeupTime) {
+ *nextWakeupTime = mInputTargetWaitTimeoutTime;
+ }
+ return INPUT_EVENT_INJECTION_PENDING;
+ }
+}
+
+void InputDispatcher::resumeAfterTargetsNotReadyTimeoutLocked(nsecs_t newTimeout,
+ const sp<InputChannel>& inputChannel) {
+ if (newTimeout > 0) {
+ // Extend the timeout.
+ mInputTargetWaitTimeoutTime = now() + newTimeout;
+ } else {
+ // Give up.
+ mInputTargetWaitTimeoutExpired = true;
+
+ // Input state will not be realistic. Mark it out of sync.
+ if (inputChannel.get()) {
+ ssize_t connectionIndex = getConnectionIndexLocked(inputChannel);
+ if (connectionIndex >= 0) {
+ sp<Connection> connection = mConnectionsByFd.valueAt(connectionIndex);
+ sp<InputWindowHandle> windowHandle = connection->inputWindowHandle;
+
+ if (windowHandle != NULL) {
+ mTouchState.removeWindow(windowHandle);
+ }
+
+ if (connection->status == Connection::STATUS_NORMAL) {
+ CancelationOptions options(CancelationOptions::CANCEL_ALL_EVENTS,
+ "application not responding");
+ synthesizeCancelationEventsForConnectionLocked(connection, options);
+ }
+ }
+ }
+ }
+}
+
+nsecs_t InputDispatcher::getTimeSpentWaitingForApplicationLocked(
+ nsecs_t currentTime) {
+ if (mInputTargetWaitCause == INPUT_TARGET_WAIT_CAUSE_APPLICATION_NOT_READY) {
+ return currentTime - mInputTargetWaitStartTime;
+ }
+ return 0;
+}
+
+void InputDispatcher::resetANRTimeoutsLocked() {
+#if DEBUG_FOCUS
+ ALOGD("Resetting ANR timeouts.");
+#endif
+
+ // Reset input target wait timeout.
+ mInputTargetWaitCause = INPUT_TARGET_WAIT_CAUSE_NONE;
+ mInputTargetWaitApplicationHandle.clear();
+}
+
+int32_t InputDispatcher::findFocusedWindowTargetsLocked(nsecs_t currentTime,
+ const EventEntry* entry, Vector<InputTarget>& inputTargets, nsecs_t* nextWakeupTime) {
+ int32_t injectionResult;
+
+ // If there is no currently focused window and no focused application
+ // then drop the event.
+ if (mFocusedWindowHandle == NULL) {
+ if (mFocusedApplicationHandle != NULL) {
+ injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
+ mFocusedApplicationHandle, NULL, nextWakeupTime,
+ "Waiting because no window has focus but there is a "
+ "focused application that may eventually add a window "
+ "when it finishes starting up.");
+ goto Unresponsive;
+ }
+
+ ALOGI("Dropping event because there is no focused window or focused application.");
+ injectionResult = INPUT_EVENT_INJECTION_FAILED;
+ goto Failed;
+ }
+
+ // Check permissions.
+ if (! checkInjectionPermission(mFocusedWindowHandle, entry->injectionState)) {
+ injectionResult = INPUT_EVENT_INJECTION_PERMISSION_DENIED;
+ goto Failed;
+ }
+
+ // If the currently focused window is paused then keep waiting.
+ if (mFocusedWindowHandle->getInfo()->paused) {
+ injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
+ mFocusedApplicationHandle, mFocusedWindowHandle, nextWakeupTime,
+ "Waiting because the focused window is paused.");
+ goto Unresponsive;
+ }
+
+ // If the currently focused window is still working on previous events then keep waiting.
+ if (!isWindowReadyForMoreInputLocked(currentTime, mFocusedWindowHandle, entry)) {
+ injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
+ mFocusedApplicationHandle, mFocusedWindowHandle, nextWakeupTime,
+ "Waiting because the focused window has not finished "
+ "processing the input events that were previously delivered to it.");
+ goto Unresponsive;
+ }
+
+ // Success! Output targets.
+ injectionResult = INPUT_EVENT_INJECTION_SUCCEEDED;
+ addWindowTargetLocked(mFocusedWindowHandle,
+ InputTarget::FLAG_FOREGROUND | InputTarget::FLAG_DISPATCH_AS_IS, BitSet32(0),
+ inputTargets);
+
+ // Done.
+Failed:
+Unresponsive:
+ nsecs_t timeSpentWaitingForApplication = getTimeSpentWaitingForApplicationLocked(currentTime);
+ updateDispatchStatisticsLocked(currentTime, entry,
+ injectionResult, timeSpentWaitingForApplication);
+#if DEBUG_FOCUS
+ ALOGD("findFocusedWindow finished: injectionResult=%d, "
+ "timeSpentWaitingForApplication=%0.1fms",
+ injectionResult, timeSpentWaitingForApplication / 1000000.0);
+#endif
+ return injectionResult;
+}
+
+int32_t InputDispatcher::findTouchedWindowTargetsLocked(nsecs_t currentTime,
+ const MotionEntry* entry, Vector<InputTarget>& inputTargets, nsecs_t* nextWakeupTime,
+ bool* outConflictingPointerActions) {
+ enum InjectionPermission {
+ INJECTION_PERMISSION_UNKNOWN,
+ INJECTION_PERMISSION_GRANTED,
+ INJECTION_PERMISSION_DENIED
+ };
+
+ nsecs_t startTime = now();
+
+ // For security reasons, we defer updating the touch state until we are sure that
+ // event injection will be allowed.
+ //
+ // FIXME In the original code, screenWasOff could never be set to true.
+ // The reason is that the POLICY_FLAG_WOKE_HERE
+ // and POLICY_FLAG_BRIGHT_HERE flags were set only when preprocessing raw
+ // EV_KEY, EV_REL and EV_ABS events. As it happens, the touch event was
+ // actually enqueued using the policyFlags that appeared in the final EV_SYN
+ // events upon which no preprocessing took place. So policyFlags was always 0.
+ // In the new native input dispatcher we're a bit more careful about event
+ // preprocessing so the touches we receive can actually have non-zero policyFlags.
+ // Unfortunately we obtain undesirable behavior.
+ //
+ // Here's what happens:
+ //
+ // When the device dims in anticipation of going to sleep, touches
+ // in windows which have FLAG_TOUCHABLE_WHEN_WAKING cause
+ // the device to brighten and reset the user activity timer.
+ // Touches on other windows (such as the launcher window)
+ // are dropped. Then after a moment, the device goes to sleep. Oops.
+ //
+ // Also notice how screenWasOff was being initialized using POLICY_FLAG_BRIGHT_HERE
+ // instead of POLICY_FLAG_WOKE_HERE...
+ //
+ bool screenWasOff = false; // original policy: policyFlags & POLICY_FLAG_BRIGHT_HERE;
+
+ int32_t displayId = entry->displayId;
+ int32_t action = entry->action;
+ int32_t maskedAction = action & AMOTION_EVENT_ACTION_MASK;
+
+ // Update the touch state as needed based on the properties of the touch event.
+ int32_t injectionResult = INPUT_EVENT_INJECTION_PENDING;
+ InjectionPermission injectionPermission = INJECTION_PERMISSION_UNKNOWN;
+ sp<InputWindowHandle> newHoverWindowHandle;
+
+ bool isSplit = mTouchState.split;
+ bool switchedDevice = mTouchState.deviceId >= 0 && mTouchState.displayId >= 0
+ && (mTouchState.deviceId != entry->deviceId
+ || mTouchState.source != entry->source
+ || mTouchState.displayId != displayId);
+ bool isHoverAction = (maskedAction == AMOTION_EVENT_ACTION_HOVER_MOVE
+ || maskedAction == AMOTION_EVENT_ACTION_HOVER_ENTER
+ || maskedAction == AMOTION_EVENT_ACTION_HOVER_EXIT);
+ bool newGesture = (maskedAction == AMOTION_EVENT_ACTION_DOWN
+ || maskedAction == AMOTION_EVENT_ACTION_SCROLL
+ || isHoverAction);
+ bool wrongDevice = false;
+ if (newGesture) {
+ bool down = maskedAction == AMOTION_EVENT_ACTION_DOWN;
+ if (switchedDevice && mTouchState.down && !down) {
+#if DEBUG_FOCUS
+ ALOGD("Dropping event because a pointer for a different device is already down.");
+#endif
+ mTempTouchState.copyFrom(mTouchState);
+ injectionResult = INPUT_EVENT_INJECTION_FAILED;
+ switchedDevice = false;
+ wrongDevice = true;
+ goto Failed;
+ }
+ mTempTouchState.reset();
+ mTempTouchState.down = down;
+ mTempTouchState.deviceId = entry->deviceId;
+ mTempTouchState.source = entry->source;
+ mTempTouchState.displayId = displayId;
+ isSplit = false;
+ } else {
+ mTempTouchState.copyFrom(mTouchState);
+ }
+
+ if (newGesture || (isSplit && maskedAction == AMOTION_EVENT_ACTION_POINTER_DOWN)) {
+ /* Case 1: New splittable pointer going down, or need target for hover or scroll. */
+
+ int32_t pointerIndex = getMotionEventActionPointerIndex(action);
+ int32_t x = int32_t(entry->pointerCoords[pointerIndex].
+ getAxisValue(AMOTION_EVENT_AXIS_X));
+ int32_t y = int32_t(entry->pointerCoords[pointerIndex].
+ getAxisValue(AMOTION_EVENT_AXIS_Y));
+ sp<InputWindowHandle> newTouchedWindowHandle;
+ sp<InputWindowHandle> topErrorWindowHandle;
+ bool isTouchModal = false;
+
+ // Traverse windows from front to back to find touched window and outside targets.
+ size_t numWindows = mWindowHandles.size();
+ for (size_t i = 0; i < numWindows; i++) {
+ sp<InputWindowHandle> windowHandle = mWindowHandles.itemAt(i);
+ const InputWindowInfo* windowInfo = windowHandle->getInfo();
+ if (windowInfo->displayId != displayId) {
+ continue; // wrong display
+ }
+
+ int32_t privateFlags = windowInfo->layoutParamsPrivateFlags;
+ if (privateFlags & InputWindowInfo::PRIVATE_FLAG_SYSTEM_ERROR) {
+ if (topErrorWindowHandle == NULL) {
+ topErrorWindowHandle = windowHandle;
+ }
+ }
+
+ int32_t flags = windowInfo->layoutParamsFlags;
+ if (windowInfo->visible) {
+ if (! (flags & InputWindowInfo::FLAG_NOT_TOUCHABLE)) {
+ isTouchModal = (flags & (InputWindowInfo::FLAG_NOT_FOCUSABLE
+ | InputWindowInfo::FLAG_NOT_TOUCH_MODAL)) == 0;
+ if (isTouchModal || windowInfo->touchableRegionContainsPoint(x, y)) {
+ if (! screenWasOff
+ || (flags & InputWindowInfo::FLAG_TOUCHABLE_WHEN_WAKING)) {
+ newTouchedWindowHandle = windowHandle;
+ }
+ break; // found touched window, exit window loop
+ }
+ }
+
+ if (maskedAction == AMOTION_EVENT_ACTION_DOWN
+ && (flags & InputWindowInfo::FLAG_WATCH_OUTSIDE_TOUCH)) {
+ int32_t outsideTargetFlags = InputTarget::FLAG_DISPATCH_AS_OUTSIDE;
+ if (isWindowObscuredAtPointLocked(windowHandle, x, y)) {
+ outsideTargetFlags |= InputTarget::FLAG_WINDOW_IS_OBSCURED;
+ }
+
+ mTempTouchState.addOrUpdateWindow(
+ windowHandle, outsideTargetFlags, BitSet32(0));
+ }
+ }
+ }
+
+ // If there is an error window but it is not taking focus (typically because
+ // it is invisible) then wait for it. Any other focused window may in
+ // fact be in ANR state.
+ if (topErrorWindowHandle != NULL && newTouchedWindowHandle != topErrorWindowHandle) {
+ injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
+ NULL, NULL, nextWakeupTime,
+ "Waiting because a system error window is about to be displayed.");
+ injectionPermission = INJECTION_PERMISSION_UNKNOWN;
+ goto Unresponsive;
+ }
+
+ // Figure out whether splitting will be allowed for this window.
+ if (newTouchedWindowHandle != NULL
+ && newTouchedWindowHandle->getInfo()->supportsSplitTouch()) {
+ // New window supports splitting.
+ isSplit = true;
+ } else if (isSplit) {
+ // New window does not support splitting but we have already split events.
+ // Ignore the new window.
+ newTouchedWindowHandle = NULL;
+ }
+
+ // Handle the case where we did not find a window.
+ if (newTouchedWindowHandle == NULL) {
+ // Try to assign the pointer to the first foreground window we find, if there is one.
+ newTouchedWindowHandle = mTempTouchState.getFirstForegroundWindowHandle();
+ if (newTouchedWindowHandle == NULL) {
+ ALOGI("Dropping event because there is no touchable window at (%d, %d).", x, y);
+ injectionResult = INPUT_EVENT_INJECTION_FAILED;
+ goto Failed;
+ }
+ }
+
+ // Set target flags.
+ int32_t targetFlags = InputTarget::FLAG_FOREGROUND | InputTarget::FLAG_DISPATCH_AS_IS;
+ if (isSplit) {
+ targetFlags |= InputTarget::FLAG_SPLIT;
+ }
+ if (isWindowObscuredAtPointLocked(newTouchedWindowHandle, x, y)) {
+ targetFlags |= InputTarget::FLAG_WINDOW_IS_OBSCURED;
+ }
+
+ // Update hover state.
+ if (isHoverAction) {
+ newHoverWindowHandle = newTouchedWindowHandle;
+ } else if (maskedAction == AMOTION_EVENT_ACTION_SCROLL) {
+ newHoverWindowHandle = mLastHoverWindowHandle;
+ }
+
+ // Update the temporary touch state.
+ BitSet32 pointerIds;
+ if (isSplit) {
+ uint32_t pointerId = entry->pointerProperties[pointerIndex].id;
+ pointerIds.markBit(pointerId);
+ }
+ mTempTouchState.addOrUpdateWindow(newTouchedWindowHandle, targetFlags, pointerIds);
+ } else {
+ /* Case 2: Pointer move, up, cancel or non-splittable pointer down. */
+
+ // If the pointer is not currently down, then ignore the event.
+ if (! mTempTouchState.down) {
+#if DEBUG_FOCUS
+ ALOGD("Dropping event because the pointer is not down or we previously "
+ "dropped the pointer down event.");
+#endif
+ injectionResult = INPUT_EVENT_INJECTION_FAILED;
+ goto Failed;
+ }
+
+ // Check whether touches should slip outside of the current foreground window.
+ if (maskedAction == AMOTION_EVENT_ACTION_MOVE
+ && entry->pointerCount == 1
+ && mTempTouchState.isSlippery()) {
+ int32_t x = int32_t(entry->pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_X));
+ int32_t y = int32_t(entry->pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_Y));
+
+ sp<InputWindowHandle> oldTouchedWindowHandle =
+ mTempTouchState.getFirstForegroundWindowHandle();
+ sp<InputWindowHandle> newTouchedWindowHandle =
+ findTouchedWindowAtLocked(displayId, x, y);
+ if (oldTouchedWindowHandle != newTouchedWindowHandle
+ && newTouchedWindowHandle != NULL) {
+#if DEBUG_FOCUS
+ ALOGD("Touch is slipping out of window %s into window %s.",
+ oldTouchedWindowHandle->getName().string(),
+ newTouchedWindowHandle->getName().string());
+#endif
+ // Make a slippery exit from the old window.
+ mTempTouchState.addOrUpdateWindow(oldTouchedWindowHandle,
+ InputTarget::FLAG_DISPATCH_AS_SLIPPERY_EXIT, BitSet32(0));
+
+ // Make a slippery entrance into the new window.
+ if (newTouchedWindowHandle->getInfo()->supportsSplitTouch()) {
+ isSplit = true;
+ }
+
+ int32_t targetFlags = InputTarget::FLAG_FOREGROUND
+ | InputTarget::FLAG_DISPATCH_AS_SLIPPERY_ENTER;
+ if (isSplit) {
+ targetFlags |= InputTarget::FLAG_SPLIT;
+ }
+ if (isWindowObscuredAtPointLocked(newTouchedWindowHandle, x, y)) {
+ targetFlags |= InputTarget::FLAG_WINDOW_IS_OBSCURED;
+ }
+
+ BitSet32 pointerIds;
+ if (isSplit) {
+ pointerIds.markBit(entry->pointerProperties[0].id);
+ }
+ mTempTouchState.addOrUpdateWindow(newTouchedWindowHandle, targetFlags, pointerIds);
+ }
+ }
+ }
+
+ if (newHoverWindowHandle != mLastHoverWindowHandle) {
+ // Let the previous window know that the hover sequence is over.
+ if (mLastHoverWindowHandle != NULL) {
+#if DEBUG_HOVER
+ ALOGD("Sending hover exit event to window %s.",
+ mLastHoverWindowHandle->getName().string());
+#endif
+ mTempTouchState.addOrUpdateWindow(mLastHoverWindowHandle,
+ InputTarget::FLAG_DISPATCH_AS_HOVER_EXIT, BitSet32(0));
+ }
+
+ // Let the new window know that the hover sequence is starting.
+ if (newHoverWindowHandle != NULL) {
+#if DEBUG_HOVER
+ ALOGD("Sending hover enter event to window %s.",
+ newHoverWindowHandle->getName().string());
+#endif
+ mTempTouchState.addOrUpdateWindow(newHoverWindowHandle,
+ InputTarget::FLAG_DISPATCH_AS_HOVER_ENTER, BitSet32(0));
+ }
+ }
+
+ // Check permission to inject into all touched foreground windows and ensure there
+ // is at least one touched foreground window.
+ {
+ bool haveForegroundWindow = false;
+ for (size_t i = 0; i < mTempTouchState.windows.size(); i++) {
+ const TouchedWindow& touchedWindow = mTempTouchState.windows[i];
+ if (touchedWindow.targetFlags & InputTarget::FLAG_FOREGROUND) {
+ haveForegroundWindow = true;
+ if (! checkInjectionPermission(touchedWindow.windowHandle,
+ entry->injectionState)) {
+ injectionResult = INPUT_EVENT_INJECTION_PERMISSION_DENIED;
+ injectionPermission = INJECTION_PERMISSION_DENIED;
+ goto Failed;
+ }
+ }
+ }
+ if (! haveForegroundWindow) {
+#if DEBUG_FOCUS
+ ALOGD("Dropping event because there is no touched foreground window to receive it.");
+#endif
+ injectionResult = INPUT_EVENT_INJECTION_FAILED;
+ goto Failed;
+ }
+
+ // Permission granted to injection into all touched foreground windows.
+ injectionPermission = INJECTION_PERMISSION_GRANTED;
+ }
+
+ // Check whether windows listening for outside touches are owned by the same UID. If it is
+ // set the policy flag that we will not reveal coordinate information to this window.
+ if (maskedAction == AMOTION_EVENT_ACTION_DOWN) {
+ sp<InputWindowHandle> foregroundWindowHandle =
+ mTempTouchState.getFirstForegroundWindowHandle();
+ const int32_t foregroundWindowUid = foregroundWindowHandle->getInfo()->ownerUid;
+ for (size_t i = 0; i < mTempTouchState.windows.size(); i++) {
+ const TouchedWindow& touchedWindow = mTempTouchState.windows[i];
+ if (touchedWindow.targetFlags & InputTarget::FLAG_DISPATCH_AS_OUTSIDE) {
+ sp<InputWindowHandle> inputWindowHandle = touchedWindow.windowHandle;
+ if (inputWindowHandle->getInfo()->ownerUid != foregroundWindowUid) {
+ mTempTouchState.addOrUpdateWindow(inputWindowHandle,
+ InputTarget::FLAG_ZERO_COORDS, BitSet32(0));
+ }
+ }
+ }
+ }
+
+ // Ensure all touched foreground windows are ready for new input.
+ for (size_t i = 0; i < mTempTouchState.windows.size(); i++) {
+ const TouchedWindow& touchedWindow = mTempTouchState.windows[i];
+ if (touchedWindow.targetFlags & InputTarget::FLAG_FOREGROUND) {
+ // If the touched window is paused then keep waiting.
+ if (touchedWindow.windowHandle->getInfo()->paused) {
+ injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
+ NULL, touchedWindow.windowHandle, nextWakeupTime,
+ "Waiting because the touched window is paused.");
+ goto Unresponsive;
+ }
+
+ // If the touched window is still working on previous events then keep waiting.
+ if (!isWindowReadyForMoreInputLocked(currentTime, touchedWindow.windowHandle, entry)) {
+ injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
+ NULL, touchedWindow.windowHandle, nextWakeupTime,
+ "Waiting because the touched window has not finished "
+ "processing the input events that were previously delivered to it.");
+ goto Unresponsive;
+ }
+ }
+ }
+
+ // If this is the first pointer going down and the touched window has a wallpaper
+ // then also add the touched wallpaper windows so they are locked in for the duration
+ // of the touch gesture.
+ // We do not collect wallpapers during HOVER_MOVE or SCROLL because the wallpaper
+ // engine only supports touch events. We would need to add a mechanism similar
+ // to View.onGenericMotionEvent to enable wallpapers to handle these events.
+ if (maskedAction == AMOTION_EVENT_ACTION_DOWN) {
+ sp<InputWindowHandle> foregroundWindowHandle =
+ mTempTouchState.getFirstForegroundWindowHandle();
+ if (foregroundWindowHandle->getInfo()->hasWallpaper) {
+ for (size_t i = 0; i < mWindowHandles.size(); i++) {
+ sp<InputWindowHandle> windowHandle = mWindowHandles.itemAt(i);
+ const InputWindowInfo* info = windowHandle->getInfo();
+ if (info->displayId == displayId
+ && windowHandle->getInfo()->layoutParamsType
+ == InputWindowInfo::TYPE_WALLPAPER) {
+ mTempTouchState.addOrUpdateWindow(windowHandle,
+ InputTarget::FLAG_WINDOW_IS_OBSCURED
+ | InputTarget::FLAG_DISPATCH_AS_IS,
+ BitSet32(0));
+ }
+ }
+ }
+ }
+
+ // Success! Output targets.
+ injectionResult = INPUT_EVENT_INJECTION_SUCCEEDED;
+
+ for (size_t i = 0; i < mTempTouchState.windows.size(); i++) {
+ const TouchedWindow& touchedWindow = mTempTouchState.windows.itemAt(i);
+ addWindowTargetLocked(touchedWindow.windowHandle, touchedWindow.targetFlags,
+ touchedWindow.pointerIds, inputTargets);
+ }
+
+ // Drop the outside or hover touch windows since we will not care about them
+ // in the next iteration.
+ mTempTouchState.filterNonAsIsTouchWindows();
+
+Failed:
+ // Check injection permission once and for all.
+ if (injectionPermission == INJECTION_PERMISSION_UNKNOWN) {
+ if (checkInjectionPermission(NULL, entry->injectionState)) {
+ injectionPermission = INJECTION_PERMISSION_GRANTED;
+ } else {
+ injectionPermission = INJECTION_PERMISSION_DENIED;
+ }
+ }
+
+ // Update final pieces of touch state if the injector had permission.
+ if (injectionPermission == INJECTION_PERMISSION_GRANTED) {
+ if (!wrongDevice) {
+ if (switchedDevice) {
+#if DEBUG_FOCUS
+ ALOGD("Conflicting pointer actions: Switched to a different device.");
+#endif
+ *outConflictingPointerActions = true;
+ }
+
+ if (isHoverAction) {
+ // Started hovering, therefore no longer down.
+ if (mTouchState.down) {
+#if DEBUG_FOCUS
+ ALOGD("Conflicting pointer actions: Hover received while pointer was down.");
+#endif
+ *outConflictingPointerActions = true;
+ }
+ mTouchState.reset();
+ if (maskedAction == AMOTION_EVENT_ACTION_HOVER_ENTER
+ || maskedAction == AMOTION_EVENT_ACTION_HOVER_MOVE) {
+ mTouchState.deviceId = entry->deviceId;
+ mTouchState.source = entry->source;
+ mTouchState.displayId = displayId;
+ }
+ } else if (maskedAction == AMOTION_EVENT_ACTION_UP
+ || maskedAction == AMOTION_EVENT_ACTION_CANCEL) {
+ // All pointers up or canceled.
+ mTouchState.reset();
+ } else if (maskedAction == AMOTION_EVENT_ACTION_DOWN) {
+ // First pointer went down.
+ if (mTouchState.down) {
+#if DEBUG_FOCUS
+ ALOGD("Conflicting pointer actions: Down received while already down.");
+#endif
+ *outConflictingPointerActions = true;
+ }
+ mTouchState.copyFrom(mTempTouchState);
+ } else if (maskedAction == AMOTION_EVENT_ACTION_POINTER_UP) {
+ // One pointer went up.
+ if (isSplit) {
+ int32_t pointerIndex = getMotionEventActionPointerIndex(action);
+ uint32_t pointerId = entry->pointerProperties[pointerIndex].id;
+
+ for (size_t i = 0; i < mTempTouchState.windows.size(); ) {
+ TouchedWindow& touchedWindow = mTempTouchState.windows.editItemAt(i);
+ if (touchedWindow.targetFlags & InputTarget::FLAG_SPLIT) {
+ touchedWindow.pointerIds.clearBit(pointerId);
+ if (touchedWindow.pointerIds.isEmpty()) {
+ mTempTouchState.windows.removeAt(i);
+ continue;
+ }
+ }
+ i += 1;
+ }
+ }
+ mTouchState.copyFrom(mTempTouchState);
+ } else if (maskedAction == AMOTION_EVENT_ACTION_SCROLL) {
+ // Discard temporary touch state since it was only valid for this action.
+ } else {
+ // Save changes to touch state as-is for all other actions.
+ mTouchState.copyFrom(mTempTouchState);
+ }
+
+ // Update hover state.
+ mLastHoverWindowHandle = newHoverWindowHandle;
+ }
+ } else {
+#if DEBUG_FOCUS
+ ALOGD("Not updating touch focus because injection was denied.");
+#endif
+ }
+
+Unresponsive:
+ // Reset temporary touch state to ensure we release unnecessary references to input channels.
+ mTempTouchState.reset();
+
+ nsecs_t timeSpentWaitingForApplication = getTimeSpentWaitingForApplicationLocked(currentTime);
+ updateDispatchStatisticsLocked(currentTime, entry,
+ injectionResult, timeSpentWaitingForApplication);
+#if DEBUG_FOCUS
+ ALOGD("findTouchedWindow finished: injectionResult=%d, injectionPermission=%d, "
+ "timeSpentWaitingForApplication=%0.1fms",
+ injectionResult, injectionPermission, timeSpentWaitingForApplication / 1000000.0);
+#endif
+ return injectionResult;
+}
+
+void InputDispatcher::addWindowTargetLocked(const sp<InputWindowHandle>& windowHandle,
+ int32_t targetFlags, BitSet32 pointerIds, Vector<InputTarget>& inputTargets) {
+ inputTargets.push();
+
+ const InputWindowInfo* windowInfo = windowHandle->getInfo();
+ InputTarget& target = inputTargets.editTop();
+ target.inputChannel = windowInfo->inputChannel;
+ target.flags = targetFlags;
+ target.xOffset = - windowInfo->frameLeft;
+ target.yOffset = - windowInfo->frameTop;
+ target.scaleFactor = windowInfo->scaleFactor;
+ target.pointerIds = pointerIds;
+}
+
+void InputDispatcher::addMonitoringTargetsLocked(Vector<InputTarget>& inputTargets) {
+ for (size_t i = 0; i < mMonitoringChannels.size(); i++) {
+ inputTargets.push();
+
+ InputTarget& target = inputTargets.editTop();
+ target.inputChannel = mMonitoringChannels[i];
+ target.flags = InputTarget::FLAG_DISPATCH_AS_IS;
+ target.xOffset = 0;
+ target.yOffset = 0;
+ target.pointerIds.clear();
+ target.scaleFactor = 1.0f;
+ }
+}
+
+bool InputDispatcher::checkInjectionPermission(const sp<InputWindowHandle>& windowHandle,
+ const InjectionState* injectionState) {
+ if (injectionState
+ && (windowHandle == NULL
+ || windowHandle->getInfo()->ownerUid != injectionState->injectorUid)
+ && !hasInjectionPermission(injectionState->injectorPid, injectionState->injectorUid)) {
+ if (windowHandle != NULL) {
+ ALOGW("Permission denied: injecting event from pid %d uid %d to window %s "
+ "owned by uid %d",
+ injectionState->injectorPid, injectionState->injectorUid,
+ windowHandle->getName().string(),
+ windowHandle->getInfo()->ownerUid);
+ } else {
+ ALOGW("Permission denied: injecting event from pid %d uid %d",
+ injectionState->injectorPid, injectionState->injectorUid);
+ }
+ return false;
+ }
+ return true;
+}
+
+bool InputDispatcher::isWindowObscuredAtPointLocked(
+ const sp<InputWindowHandle>& windowHandle, int32_t x, int32_t y) const {
+ int32_t displayId = windowHandle->getInfo()->displayId;
+ size_t numWindows = mWindowHandles.size();
+ for (size_t i = 0; i < numWindows; i++) {
+ sp<InputWindowHandle> otherHandle = mWindowHandles.itemAt(i);
+ if (otherHandle == windowHandle) {
+ break;
+ }
+
+ const InputWindowInfo* otherInfo = otherHandle->getInfo();
+ if (otherInfo->displayId == displayId
+ && otherInfo->visible && !otherInfo->isTrustedOverlay()
+ && otherInfo->frameContainsPoint(x, y)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+bool InputDispatcher::isWindowReadyForMoreInputLocked(nsecs_t currentTime,
+ const sp<InputWindowHandle>& windowHandle, const EventEntry* eventEntry) {
+ ssize_t connectionIndex = getConnectionIndexLocked(windowHandle->getInputChannel());
+ if (connectionIndex >= 0) {
+ sp<Connection> connection = mConnectionsByFd.valueAt(connectionIndex);
+ if (connection->inputPublisherBlocked) {
+ return false;
+ }
+ if (eventEntry->type == EventEntry::TYPE_KEY) {
+ // If the event is a key event, then we must wait for all previous events to
+ // complete before delivering it because previous events may have the
+ // side-effect of transferring focus to a different window and we want to
+ // ensure that the following keys are sent to the new window.
+ //
+ // Suppose the user touches a button in a window then immediately presses "A".
+ // If the button causes a pop-up window to appear then we want to ensure that
+ // the "A" key is delivered to the new pop-up window. This is because users
+ // often anticipate pending UI changes when typing on a keyboard.
+ // To obtain this behavior, we must serialize key events with respect to all
+ // prior input events.
+ return connection->outboundQueue.isEmpty()
+ && connection->waitQueue.isEmpty();
+ }
+ // Touch events can always be sent to a window immediately because the user intended
+ // to touch whatever was visible at the time. Even if focus changes or a new
+ // window appears moments later, the touch event was meant to be delivered to
+ // whatever window happened to be on screen at the time.
+ //
+ // Generic motion events, such as trackball or joystick events are a little trickier.
+ // Like key events, generic motion events are delivered to the focused window.
+ // Unlike key events, generic motion events don't tend to transfer focus to other
+ // windows and it is not important for them to be serialized. So we prefer to deliver
+ // generic motion events as soon as possible to improve efficiency and reduce lag
+ // through batching.
+ //
+ // The one case where we pause input event delivery is when the wait queue is piling
+ // up with lots of events because the application is not responding.
+ // This condition ensures that ANRs are detected reliably.
+ if (!connection->waitQueue.isEmpty()
+ && currentTime >= connection->waitQueue.head->deliveryTime
+ + STREAM_AHEAD_EVENT_TIMEOUT) {
+ return false;
+ }
+ }
+ return true;
+}
+
+String8 InputDispatcher::getApplicationWindowLabelLocked(
+ const sp<InputApplicationHandle>& applicationHandle,
+ const sp<InputWindowHandle>& windowHandle) {
+ if (applicationHandle != NULL) {
+ if (windowHandle != NULL) {
+ String8 label(applicationHandle->getName());
+ label.append(" - ");
+ label.append(windowHandle->getName());
+ return label;
+ } else {
+ return applicationHandle->getName();
+ }
+ } else if (windowHandle != NULL) {
+ return windowHandle->getName();
+ } else {
+ return String8("<unknown application or window>");
+ }
+}
+
+void InputDispatcher::pokeUserActivityLocked(const EventEntry* eventEntry) {
+ if (mFocusedWindowHandle != NULL) {
+ const InputWindowInfo* info = mFocusedWindowHandle->getInfo();
+ if (info->inputFeatures & InputWindowInfo::INPUT_FEATURE_DISABLE_USER_ACTIVITY) {
+#if DEBUG_DISPATCH_CYCLE
+ ALOGD("Not poking user activity: disabled by window '%s'.", info->name.string());
+#endif
+ return;
+ }
+ }
+
+ int32_t eventType = USER_ACTIVITY_EVENT_OTHER;
+ switch (eventEntry->type) {
+ case EventEntry::TYPE_MOTION: {
+ const MotionEntry* motionEntry = static_cast<const MotionEntry*>(eventEntry);
+ if (motionEntry->action == AMOTION_EVENT_ACTION_CANCEL) {
+ return;
+ }
+
+ if (MotionEvent::isTouchEvent(motionEntry->source, motionEntry->action)) {
+ eventType = USER_ACTIVITY_EVENT_TOUCH;
+ }
+ break;
+ }
+ case EventEntry::TYPE_KEY: {
+ const KeyEntry* keyEntry = static_cast<const KeyEntry*>(eventEntry);
+ if (keyEntry->flags & AKEY_EVENT_FLAG_CANCELED) {
+ return;
+ }
+ eventType = USER_ACTIVITY_EVENT_BUTTON;
+ break;
+ }
+ }
+
+ CommandEntry* commandEntry = postCommandLocked(
+ & InputDispatcher::doPokeUserActivityLockedInterruptible);
+ commandEntry->eventTime = eventEntry->eventTime;
+ commandEntry->userActivityEventType = eventType;
+}
+
+void InputDispatcher::prepareDispatchCycleLocked(nsecs_t currentTime,
+ const sp<Connection>& connection, EventEntry* eventEntry, const InputTarget* inputTarget) {
+#if DEBUG_DISPATCH_CYCLE
+ ALOGD("channel '%s' ~ prepareDispatchCycle - flags=0x%08x, "
+ "xOffset=%f, yOffset=%f, scaleFactor=%f, "
+ "pointerIds=0x%x",
+ connection->getInputChannelName(), inputTarget->flags,
+ inputTarget->xOffset, inputTarget->yOffset,
+ inputTarget->scaleFactor, inputTarget->pointerIds.value);
+#endif
+
+ // Skip this event if the connection status is not normal.
+ // We don't want to enqueue additional outbound events if the connection is broken.
+ if (connection->status != Connection::STATUS_NORMAL) {
+#if DEBUG_DISPATCH_CYCLE
+ ALOGD("channel '%s' ~ Dropping event because the channel status is %s",
+ connection->getInputChannelName(), connection->getStatusLabel());
+#endif
+ return;
+ }
+
+ // Split a motion event if needed.
+ if (inputTarget->flags & InputTarget::FLAG_SPLIT) {
+ ALOG_ASSERT(eventEntry->type == EventEntry::TYPE_MOTION);
+
+ MotionEntry* originalMotionEntry = static_cast<MotionEntry*>(eventEntry);
+ if (inputTarget->pointerIds.count() != originalMotionEntry->pointerCount) {
+ MotionEntry* splitMotionEntry = splitMotionEvent(
+ originalMotionEntry, inputTarget->pointerIds);
+ if (!splitMotionEntry) {
+ return; // split event was dropped
+ }
+#if DEBUG_FOCUS
+ ALOGD("channel '%s' ~ Split motion event.",
+ connection->getInputChannelName());
+ logOutboundMotionDetailsLocked(" ", splitMotionEntry);
+#endif
+ enqueueDispatchEntriesLocked(currentTime, connection,
+ splitMotionEntry, inputTarget);
+ splitMotionEntry->release();
+ return;
+ }
+ }
+
+ // Not splitting. Enqueue dispatch entries for the event as is.
+ enqueueDispatchEntriesLocked(currentTime, connection, eventEntry, inputTarget);
+}
+
+void InputDispatcher::enqueueDispatchEntriesLocked(nsecs_t currentTime,
+ const sp<Connection>& connection, EventEntry* eventEntry, const InputTarget* inputTarget) {
+ bool wasEmpty = connection->outboundQueue.isEmpty();
+
+ // Enqueue dispatch entries for the requested modes.
+ enqueueDispatchEntryLocked(connection, eventEntry, inputTarget,
+ InputTarget::FLAG_DISPATCH_AS_HOVER_EXIT);
+ enqueueDispatchEntryLocked(connection, eventEntry, inputTarget,
+ InputTarget::FLAG_DISPATCH_AS_OUTSIDE);
+ enqueueDispatchEntryLocked(connection, eventEntry, inputTarget,
+ InputTarget::FLAG_DISPATCH_AS_HOVER_ENTER);
+ enqueueDispatchEntryLocked(connection, eventEntry, inputTarget,
+ InputTarget::FLAG_DISPATCH_AS_IS);
+ enqueueDispatchEntryLocked(connection, eventEntry, inputTarget,
+ InputTarget::FLAG_DISPATCH_AS_SLIPPERY_EXIT);
+ enqueueDispatchEntryLocked(connection, eventEntry, inputTarget,
+ InputTarget::FLAG_DISPATCH_AS_SLIPPERY_ENTER);
+
+ // If the outbound queue was previously empty, start the dispatch cycle going.
+ if (wasEmpty && !connection->outboundQueue.isEmpty()) {
+ startDispatchCycleLocked(currentTime, connection);
+ }
+}
+
+void InputDispatcher::enqueueDispatchEntryLocked(
+ const sp<Connection>& connection, EventEntry* eventEntry, const InputTarget* inputTarget,
+ int32_t dispatchMode) {
+ int32_t inputTargetFlags = inputTarget->flags;
+ if (!(inputTargetFlags & dispatchMode)) {
+ return;
+ }
+ inputTargetFlags = (inputTargetFlags & ~InputTarget::FLAG_DISPATCH_MASK) | dispatchMode;
+
+ // This is a new event.
+ // Enqueue a new dispatch entry onto the outbound queue for this connection.
+ DispatchEntry* dispatchEntry = new DispatchEntry(eventEntry, // increments ref
+ inputTargetFlags, inputTarget->xOffset, inputTarget->yOffset,
+ inputTarget->scaleFactor);
+
+ // Apply target flags and update the connection's input state.
+ switch (eventEntry->type) {
+ case EventEntry::TYPE_KEY: {
+ KeyEntry* keyEntry = static_cast<KeyEntry*>(eventEntry);
+ dispatchEntry->resolvedAction = keyEntry->action;
+ dispatchEntry->resolvedFlags = keyEntry->flags;
+
+ if (!connection->inputState.trackKey(keyEntry,
+ dispatchEntry->resolvedAction, dispatchEntry->resolvedFlags)) {
+#if DEBUG_DISPATCH_CYCLE
+ ALOGD("channel '%s' ~ enqueueDispatchEntryLocked: skipping inconsistent key event",
+ connection->getInputChannelName());
+#endif
+ delete dispatchEntry;
+ return; // skip the inconsistent event
+ }
+ break;
+ }
+
+ case EventEntry::TYPE_MOTION: {
+ MotionEntry* motionEntry = static_cast<MotionEntry*>(eventEntry);
+ if (dispatchMode & InputTarget::FLAG_DISPATCH_AS_OUTSIDE) {
+ dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_OUTSIDE;
+ } else if (dispatchMode & InputTarget::FLAG_DISPATCH_AS_HOVER_EXIT) {
+ dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_HOVER_EXIT;
+ } else if (dispatchMode & InputTarget::FLAG_DISPATCH_AS_HOVER_ENTER) {
+ dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_HOVER_ENTER;
+ } else if (dispatchMode & InputTarget::FLAG_DISPATCH_AS_SLIPPERY_EXIT) {
+ dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_CANCEL;
+ } else if (dispatchMode & InputTarget::FLAG_DISPATCH_AS_SLIPPERY_ENTER) {
+ dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_DOWN;
+ } else {
+ dispatchEntry->resolvedAction = motionEntry->action;
+ }
+ if (dispatchEntry->resolvedAction == AMOTION_EVENT_ACTION_HOVER_MOVE
+ && !connection->inputState.isHovering(
+ motionEntry->deviceId, motionEntry->source, motionEntry->displayId)) {
+#if DEBUG_DISPATCH_CYCLE
+ ALOGD("channel '%s' ~ enqueueDispatchEntryLocked: filling in missing hover enter event",
+ connection->getInputChannelName());
+#endif
+ dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_HOVER_ENTER;
+ }
+
+ dispatchEntry->resolvedFlags = motionEntry->flags;
+ if (dispatchEntry->targetFlags & InputTarget::FLAG_WINDOW_IS_OBSCURED) {
+ dispatchEntry->resolvedFlags |= AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
+ }
+
+ if (!connection->inputState.trackMotion(motionEntry,
+ dispatchEntry->resolvedAction, dispatchEntry->resolvedFlags)) {
+#if DEBUG_DISPATCH_CYCLE
+ ALOGD("channel '%s' ~ enqueueDispatchEntryLocked: skipping inconsistent motion event",
+ connection->getInputChannelName());
+#endif
+ delete dispatchEntry;
+ return; // skip the inconsistent event
+ }
+ break;
+ }
+ }
+
+ // Remember that we are waiting for this dispatch to complete.
+ if (dispatchEntry->hasForegroundTarget()) {
+ incrementPendingForegroundDispatchesLocked(eventEntry);
+ }
+
+ // Enqueue the dispatch entry.
+ connection->outboundQueue.enqueueAtTail(dispatchEntry);
+ traceOutboundQueueLengthLocked(connection);
+}
+
+void InputDispatcher::startDispatchCycleLocked(nsecs_t currentTime,
+ const sp<Connection>& connection) {
+#if DEBUG_DISPATCH_CYCLE
+ ALOGD("channel '%s' ~ startDispatchCycle",
+ connection->getInputChannelName());
+#endif
+
+ while (connection->status == Connection::STATUS_NORMAL
+ && !connection->outboundQueue.isEmpty()) {
+ DispatchEntry* dispatchEntry = connection->outboundQueue.head;
+ dispatchEntry->deliveryTime = currentTime;
+
+ // Publish the event.
+ status_t status;
+ EventEntry* eventEntry = dispatchEntry->eventEntry;
+ switch (eventEntry->type) {
+ case EventEntry::TYPE_KEY: {
+ KeyEntry* keyEntry = static_cast<KeyEntry*>(eventEntry);
+
+ // Publish the key event.
+ status = connection->inputPublisher.publishKeyEvent(dispatchEntry->seq,
+ keyEntry->deviceId, keyEntry->source,
+ dispatchEntry->resolvedAction, dispatchEntry->resolvedFlags,
+ keyEntry->keyCode, keyEntry->scanCode,
+ keyEntry->metaState, keyEntry->repeatCount, keyEntry->downTime,
+ keyEntry->eventTime);
+ break;
+ }
+
+ case EventEntry::TYPE_MOTION: {
+ MotionEntry* motionEntry = static_cast<MotionEntry*>(eventEntry);
+
+ PointerCoords scaledCoords[MAX_POINTERS];
+ const PointerCoords* usingCoords = motionEntry->pointerCoords;
+
+ // Set the X and Y offset depending on the input source.
+ float xOffset, yOffset, scaleFactor;
+ if ((motionEntry->source & AINPUT_SOURCE_CLASS_POINTER)
+ && !(dispatchEntry->targetFlags & InputTarget::FLAG_ZERO_COORDS)) {
+ scaleFactor = dispatchEntry->scaleFactor;
+ xOffset = dispatchEntry->xOffset * scaleFactor;
+ yOffset = dispatchEntry->yOffset * scaleFactor;
+ if (scaleFactor != 1.0f) {
+ for (size_t i = 0; i < motionEntry->pointerCount; i++) {
+ scaledCoords[i] = motionEntry->pointerCoords[i];
+ scaledCoords[i].scale(scaleFactor);
+ }
+ usingCoords = scaledCoords;
+ }
+ } else {
+ xOffset = 0.0f;
+ yOffset = 0.0f;
+ scaleFactor = 1.0f;
+
+ // We don't want the dispatch target to know.
+ if (dispatchEntry->targetFlags & InputTarget::FLAG_ZERO_COORDS) {
+ for (size_t i = 0; i < motionEntry->pointerCount; i++) {
+ scaledCoords[i].clear();
+ }
+ usingCoords = scaledCoords;
+ }
+ }
+
+ // Publish the motion event.
+ status = connection->inputPublisher.publishMotionEvent(dispatchEntry->seq,
+ motionEntry->deviceId, motionEntry->source,
+ dispatchEntry->resolvedAction, dispatchEntry->resolvedFlags,
+ motionEntry->edgeFlags, motionEntry->metaState, motionEntry->buttonState,
+ xOffset, yOffset,
+ motionEntry->xPrecision, motionEntry->yPrecision,
+ motionEntry->downTime, motionEntry->eventTime,
+ motionEntry->pointerCount, motionEntry->pointerProperties,
+ usingCoords);
+ break;
+ }
+
+ default:
+ ALOG_ASSERT(false);
+ return;
+ }
+
+ // Check the result.
+ if (status) {
+ if (status == WOULD_BLOCK) {
+ if (connection->waitQueue.isEmpty()) {
+ ALOGE("channel '%s' ~ Could not publish event because the pipe is full. "
+ "This is unexpected because the wait queue is empty, so the pipe "
+ "should be empty and we shouldn't have any problems writing an "
+ "event to it, status=%d", connection->getInputChannelName(), status);
+ abortBrokenDispatchCycleLocked(currentTime, connection, true /*notify*/);
+ } else {
+ // Pipe is full and we are waiting for the app to finish process some events
+ // before sending more events to it.
+#if DEBUG_DISPATCH_CYCLE
+ ALOGD("channel '%s' ~ Could not publish event because the pipe is full, "
+ "waiting for the application to catch up",
+ connection->getInputChannelName());
+#endif
+ connection->inputPublisherBlocked = true;
+ }
+ } else {
+ ALOGE("channel '%s' ~ Could not publish event due to an unexpected error, "
+ "status=%d", connection->getInputChannelName(), status);
+ abortBrokenDispatchCycleLocked(currentTime, connection, true /*notify*/);
+ }
+ return;
+ }
+
+ // Re-enqueue the event on the wait queue.
+ connection->outboundQueue.dequeue(dispatchEntry);
+ traceOutboundQueueLengthLocked(connection);
+ connection->waitQueue.enqueueAtTail(dispatchEntry);
+ traceWaitQueueLengthLocked(connection);
+ }
+}
+
+void InputDispatcher::finishDispatchCycleLocked(nsecs_t currentTime,
+ const sp<Connection>& connection, uint32_t seq, bool handled) {
+#if DEBUG_DISPATCH_CYCLE
+ ALOGD("channel '%s' ~ finishDispatchCycle - seq=%u, handled=%s",
+ connection->getInputChannelName(), seq, toString(handled));
+#endif
+
+ connection->inputPublisherBlocked = false;
+
+ if (connection->status == Connection::STATUS_BROKEN
+ || connection->status == Connection::STATUS_ZOMBIE) {
+ return;
+ }
+
+ // Notify other system components and prepare to start the next dispatch cycle.
+ onDispatchCycleFinishedLocked(currentTime, connection, seq, handled);
+}
+
+void InputDispatcher::abortBrokenDispatchCycleLocked(nsecs_t currentTime,
+ const sp<Connection>& connection, bool notify) {
+#if DEBUG_DISPATCH_CYCLE
+ ALOGD("channel '%s' ~ abortBrokenDispatchCycle - notify=%s",
+ connection->getInputChannelName(), toString(notify));
+#endif
+
+ // Clear the dispatch queues.
+ drainDispatchQueueLocked(&connection->outboundQueue);
+ traceOutboundQueueLengthLocked(connection);
+ drainDispatchQueueLocked(&connection->waitQueue);
+ traceWaitQueueLengthLocked(connection);
+
+ // The connection appears to be unrecoverably broken.
+ // Ignore already broken or zombie connections.
+ if (connection->status == Connection::STATUS_NORMAL) {
+ connection->status = Connection::STATUS_BROKEN;
+
+ if (notify) {
+ // Notify other system components.
+ onDispatchCycleBrokenLocked(currentTime, connection);
+ }
+ }
+}
+
+void InputDispatcher::drainDispatchQueueLocked(Queue<DispatchEntry>* queue) {
+ while (!queue->isEmpty()) {
+ DispatchEntry* dispatchEntry = queue->dequeueAtHead();
+ releaseDispatchEntryLocked(dispatchEntry);
+ }
+}
+
+void InputDispatcher::releaseDispatchEntryLocked(DispatchEntry* dispatchEntry) {
+ if (dispatchEntry->hasForegroundTarget()) {
+ decrementPendingForegroundDispatchesLocked(dispatchEntry->eventEntry);
+ }
+ delete dispatchEntry;
+}
+
+int InputDispatcher::handleReceiveCallback(int fd, int events, void* data) {
+ InputDispatcher* d = static_cast<InputDispatcher*>(data);
+
+ { // acquire lock
+ AutoMutex _l(d->mLock);
+
+ ssize_t connectionIndex = d->mConnectionsByFd.indexOfKey(fd);
+ if (connectionIndex < 0) {
+ ALOGE("Received spurious receive callback for unknown input channel. "
+ "fd=%d, events=0x%x", fd, events);
+ return 0; // remove the callback
+ }
+
+ bool notify;
+ sp<Connection> connection = d->mConnectionsByFd.valueAt(connectionIndex);
+ if (!(events & (ALOOPER_EVENT_ERROR | ALOOPER_EVENT_HANGUP))) {
+ if (!(events & ALOOPER_EVENT_INPUT)) {
+ ALOGW("channel '%s' ~ Received spurious callback for unhandled poll event. "
+ "events=0x%x", connection->getInputChannelName(), events);
+ return 1;
+ }
+
+ nsecs_t currentTime = now();
+ bool gotOne = false;
+ status_t status;
+ for (;;) {
+ uint32_t seq;
+ bool handled;
+ status = connection->inputPublisher.receiveFinishedSignal(&seq, &handled);
+ if (status) {
+ break;
+ }
+ d->finishDispatchCycleLocked(currentTime, connection, seq, handled);
+ gotOne = true;
+ }
+ if (gotOne) {
+ d->runCommandsLockedInterruptible();
+ if (status == WOULD_BLOCK) {
+ return 1;
+ }
+ }
+
+ notify = status != DEAD_OBJECT || !connection->monitor;
+ if (notify) {
+ ALOGE("channel '%s' ~ Failed to receive finished signal. status=%d",
+ connection->getInputChannelName(), status);
+ }
+ } else {
+ // Monitor channels are never explicitly unregistered.
+ // We do it automatically when the remote endpoint is closed so don't warn
+ // about them.
+ notify = !connection->monitor;
+ if (notify) {
+ ALOGW("channel '%s' ~ Consumer closed input channel or an error occurred. "
+ "events=0x%x", connection->getInputChannelName(), events);
+ }
+ }
+
+ // Unregister the channel.
+ d->unregisterInputChannelLocked(connection->inputChannel, notify);
+ return 0; // remove the callback
+ } // release lock
+}
+
+void InputDispatcher::synthesizeCancelationEventsForAllConnectionsLocked(
+ const CancelationOptions& options) {
+ for (size_t i = 0; i < mConnectionsByFd.size(); i++) {
+ synthesizeCancelationEventsForConnectionLocked(
+ mConnectionsByFd.valueAt(i), options);
+ }
+}
+
+void InputDispatcher::synthesizeCancelationEventsForInputChannelLocked(
+ const sp<InputChannel>& channel, const CancelationOptions& options) {
+ ssize_t index = getConnectionIndexLocked(channel);
+ if (index >= 0) {
+ synthesizeCancelationEventsForConnectionLocked(
+ mConnectionsByFd.valueAt(index), options);
+ }
+}
+
+void InputDispatcher::synthesizeCancelationEventsForConnectionLocked(
+ const sp<Connection>& connection, const CancelationOptions& options) {
+ if (connection->status == Connection::STATUS_BROKEN) {
+ return;
+ }
+
+ nsecs_t currentTime = now();
+
+ Vector<EventEntry*> cancelationEvents;
+ connection->inputState.synthesizeCancelationEvents(currentTime,
+ cancelationEvents, options);
+
+ if (!cancelationEvents.isEmpty()) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("channel '%s' ~ Synthesized %d cancelation events to bring channel back in sync "
+ "with reality: %s, mode=%d.",
+ connection->getInputChannelName(), cancelationEvents.size(),
+ options.reason, options.mode);
+#endif
+ for (size_t i = 0; i < cancelationEvents.size(); i++) {
+ EventEntry* cancelationEventEntry = cancelationEvents.itemAt(i);
+ switch (cancelationEventEntry->type) {
+ case EventEntry::TYPE_KEY:
+ logOutboundKeyDetailsLocked("cancel - ",
+ static_cast<KeyEntry*>(cancelationEventEntry));
+ break;
+ case EventEntry::TYPE_MOTION:
+ logOutboundMotionDetailsLocked("cancel - ",
+ static_cast<MotionEntry*>(cancelationEventEntry));
+ break;
+ }
+
+ InputTarget target;
+ sp<InputWindowHandle> windowHandle = getWindowHandleLocked(connection->inputChannel);
+ if (windowHandle != NULL) {
+ const InputWindowInfo* windowInfo = windowHandle->getInfo();
+ target.xOffset = -windowInfo->frameLeft;
+ target.yOffset = -windowInfo->frameTop;
+ target.scaleFactor = windowInfo->scaleFactor;
+ } else {
+ target.xOffset = 0;
+ target.yOffset = 0;
+ target.scaleFactor = 1.0f;
+ }
+ target.inputChannel = connection->inputChannel;
+ target.flags = InputTarget::FLAG_DISPATCH_AS_IS;
+
+ enqueueDispatchEntryLocked(connection, cancelationEventEntry, // increments ref
+ &target, InputTarget::FLAG_DISPATCH_AS_IS);
+
+ cancelationEventEntry->release();
+ }
+
+ startDispatchCycleLocked(currentTime, connection);
+ }
+}
+
+InputDispatcher::MotionEntry*
+InputDispatcher::splitMotionEvent(const MotionEntry* originalMotionEntry, BitSet32 pointerIds) {
+ ALOG_ASSERT(pointerIds.value != 0);
+
+ uint32_t splitPointerIndexMap[MAX_POINTERS];
+ PointerProperties splitPointerProperties[MAX_POINTERS];
+ PointerCoords splitPointerCoords[MAX_POINTERS];
+
+ uint32_t originalPointerCount = originalMotionEntry->pointerCount;
+ uint32_t splitPointerCount = 0;
+
+ for (uint32_t originalPointerIndex = 0; originalPointerIndex < originalPointerCount;
+ originalPointerIndex++) {
+ const PointerProperties& pointerProperties =
+ originalMotionEntry->pointerProperties[originalPointerIndex];
+ uint32_t pointerId = uint32_t(pointerProperties.id);
+ if (pointerIds.hasBit(pointerId)) {
+ splitPointerIndexMap[splitPointerCount] = originalPointerIndex;
+ splitPointerProperties[splitPointerCount].copyFrom(pointerProperties);
+ splitPointerCoords[splitPointerCount].copyFrom(
+ originalMotionEntry->pointerCoords[originalPointerIndex]);
+ splitPointerCount += 1;
+ }
+ }
+
+ if (splitPointerCount != pointerIds.count()) {
+ // This is bad. We are missing some of the pointers that we expected to deliver.
+ // Most likely this indicates that we received an ACTION_MOVE events that has
+ // different pointer ids than we expected based on the previous ACTION_DOWN
+ // or ACTION_POINTER_DOWN events that caused us to decide to split the pointers
+ // in this way.
+ ALOGW("Dropping split motion event because the pointer count is %d but "
+ "we expected there to be %d pointers. This probably means we received "
+ "a broken sequence of pointer ids from the input device.",
+ splitPointerCount, pointerIds.count());
+ return NULL;
+ }
+
+ int32_t action = originalMotionEntry->action;
+ int32_t maskedAction = action & AMOTION_EVENT_ACTION_MASK;
+ if (maskedAction == AMOTION_EVENT_ACTION_POINTER_DOWN
+ || maskedAction == AMOTION_EVENT_ACTION_POINTER_UP) {
+ int32_t originalPointerIndex = getMotionEventActionPointerIndex(action);
+ const PointerProperties& pointerProperties =
+ originalMotionEntry->pointerProperties[originalPointerIndex];
+ uint32_t pointerId = uint32_t(pointerProperties.id);
+ if (pointerIds.hasBit(pointerId)) {
+ if (pointerIds.count() == 1) {
+ // The first/last pointer went down/up.
+ action = maskedAction == AMOTION_EVENT_ACTION_POINTER_DOWN
+ ? AMOTION_EVENT_ACTION_DOWN : AMOTION_EVENT_ACTION_UP;
+ } else {
+ // A secondary pointer went down/up.
+ uint32_t splitPointerIndex = 0;
+ while (pointerId != uint32_t(splitPointerProperties[splitPointerIndex].id)) {
+ splitPointerIndex += 1;
+ }
+ action = maskedAction | (splitPointerIndex
+ << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+ }
+ } else {
+ // An unrelated pointer changed.
+ action = AMOTION_EVENT_ACTION_MOVE;
+ }
+ }
+
+ MotionEntry* splitMotionEntry = new MotionEntry(
+ originalMotionEntry->eventTime,
+ originalMotionEntry->deviceId,
+ originalMotionEntry->source,
+ originalMotionEntry->policyFlags,
+ action,
+ originalMotionEntry->flags,
+ originalMotionEntry->metaState,
+ originalMotionEntry->buttonState,
+ originalMotionEntry->edgeFlags,
+ originalMotionEntry->xPrecision,
+ originalMotionEntry->yPrecision,
+ originalMotionEntry->downTime,
+ originalMotionEntry->displayId,
+ splitPointerCount, splitPointerProperties, splitPointerCoords);
+
+ if (originalMotionEntry->injectionState) {
+ splitMotionEntry->injectionState = originalMotionEntry->injectionState;
+ splitMotionEntry->injectionState->refCount += 1;
+ }
+
+ return splitMotionEntry;
+}
+
+void InputDispatcher::notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ ALOGD("notifyConfigurationChanged - eventTime=%lld", args->eventTime);
+#endif
+
+ bool needWake;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ ConfigurationChangedEntry* newEntry = new ConfigurationChangedEntry(args->eventTime);
+ needWake = enqueueInboundEventLocked(newEntry);
+ } // release lock
+
+ if (needWake) {
+ mLooper->wake();
+ }
+}
+
+void InputDispatcher::notifyKey(const NotifyKeyArgs* args) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ ALOGD("notifyKey - eventTime=%lld, deviceId=%d, source=0x%x, policyFlags=0x%x, action=0x%x, "
+ "flags=0x%x, keyCode=0x%x, scanCode=0x%x, metaState=0x%x, downTime=%lld",
+ args->eventTime, args->deviceId, args->source, args->policyFlags,
+ args->action, args->flags, args->keyCode, args->scanCode,
+ args->metaState, args->downTime);
+#endif
+ if (!validateKeyEvent(args->action)) {
+ return;
+ }
+
+ uint32_t policyFlags = args->policyFlags;
+ int32_t flags = args->flags;
+ int32_t metaState = args->metaState;
+ if ((policyFlags & POLICY_FLAG_VIRTUAL) || (flags & AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY)) {
+ policyFlags |= POLICY_FLAG_VIRTUAL;
+ flags |= AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY;
+ }
+ if (policyFlags & POLICY_FLAG_ALT) {
+ metaState |= AMETA_ALT_ON | AMETA_ALT_LEFT_ON;
+ }
+ if (policyFlags & POLICY_FLAG_ALT_GR) {
+ metaState |= AMETA_ALT_ON | AMETA_ALT_RIGHT_ON;
+ }
+ if (policyFlags & POLICY_FLAG_SHIFT) {
+ metaState |= AMETA_SHIFT_ON | AMETA_SHIFT_LEFT_ON;
+ }
+ if (policyFlags & POLICY_FLAG_CAPS_LOCK) {
+ metaState |= AMETA_CAPS_LOCK_ON;
+ }
+ if (policyFlags & POLICY_FLAG_FUNCTION) {
+ metaState |= AMETA_FUNCTION_ON;
+ }
+
+ policyFlags |= POLICY_FLAG_TRUSTED;
+
+ KeyEvent event;
+ event.initialize(args->deviceId, args->source, args->action,
+ flags, args->keyCode, args->scanCode, metaState, 0,
+ args->downTime, args->eventTime);
+
+ mPolicy->interceptKeyBeforeQueueing(&event, /*byref*/ policyFlags);
+
+ if (policyFlags & POLICY_FLAG_WOKE_HERE) {
+ flags |= AKEY_EVENT_FLAG_WOKE_HERE;
+ }
+
+ bool needWake;
+ { // acquire lock
+ mLock.lock();
+
+ if (shouldSendKeyToInputFilterLocked(args)) {
+ mLock.unlock();
+
+ policyFlags |= POLICY_FLAG_FILTERED;
+ if (!mPolicy->filterInputEvent(&event, policyFlags)) {
+ return; // event was consumed by the filter
+ }
+
+ mLock.lock();
+ }
+
+ int32_t repeatCount = 0;
+ KeyEntry* newEntry = new KeyEntry(args->eventTime,
+ args->deviceId, args->source, policyFlags,
+ args->action, flags, args->keyCode, args->scanCode,
+ metaState, repeatCount, args->downTime);
+
+ needWake = enqueueInboundEventLocked(newEntry);
+ mLock.unlock();
+ } // release lock
+
+ if (needWake) {
+ mLooper->wake();
+ }
+}
+
+bool InputDispatcher::shouldSendKeyToInputFilterLocked(const NotifyKeyArgs* args) {
+ return mInputFilterEnabled;
+}
+
+void InputDispatcher::notifyMotion(const NotifyMotionArgs* args) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ ALOGD("notifyMotion - eventTime=%lld, deviceId=%d, source=0x%x, policyFlags=0x%x, "
+ "action=0x%x, flags=0x%x, metaState=0x%x, buttonState=0x%x, edgeFlags=0x%x, "
+ "xPrecision=%f, yPrecision=%f, downTime=%lld",
+ args->eventTime, args->deviceId, args->source, args->policyFlags,
+ args->action, args->flags, args->metaState, args->buttonState,
+ args->edgeFlags, args->xPrecision, args->yPrecision, args->downTime);
+ for (uint32_t i = 0; i < args->pointerCount; i++) {
+ ALOGD(" Pointer %d: id=%d, toolType=%d, "
+ "x=%f, y=%f, pressure=%f, size=%f, "
+ "touchMajor=%f, touchMinor=%f, toolMajor=%f, toolMinor=%f, "
+ "orientation=%f",
+ i, args->pointerProperties[i].id,
+ args->pointerProperties[i].toolType,
+ args->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_X),
+ args->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_Y),
+ args->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE),
+ args->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_SIZE),
+ args->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR),
+ args->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR),
+ args->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR),
+ args->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR),
+ args->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION));
+ }
+#endif
+ if (!validateMotionEvent(args->action, args->pointerCount, args->pointerProperties)) {
+ return;
+ }
+
+ uint32_t policyFlags = args->policyFlags;
+ policyFlags |= POLICY_FLAG_TRUSTED;
+ mPolicy->interceptMotionBeforeQueueing(args->eventTime, /*byref*/ policyFlags);
+
+ bool needWake;
+ { // acquire lock
+ mLock.lock();
+
+ if (shouldSendMotionToInputFilterLocked(args)) {
+ mLock.unlock();
+
+ MotionEvent event;
+ event.initialize(args->deviceId, args->source, args->action, args->flags,
+ args->edgeFlags, args->metaState, args->buttonState, 0, 0,
+ args->xPrecision, args->yPrecision,
+ args->downTime, args->eventTime,
+ args->pointerCount, args->pointerProperties, args->pointerCoords);
+
+ policyFlags |= POLICY_FLAG_FILTERED;
+ if (!mPolicy->filterInputEvent(&event, policyFlags)) {
+ return; // event was consumed by the filter
+ }
+
+ mLock.lock();
+ }
+
+ // Just enqueue a new motion event.
+ MotionEntry* newEntry = new MotionEntry(args->eventTime,
+ args->deviceId, args->source, policyFlags,
+ args->action, args->flags, args->metaState, args->buttonState,
+ args->edgeFlags, args->xPrecision, args->yPrecision, args->downTime,
+ args->displayId,
+ args->pointerCount, args->pointerProperties, args->pointerCoords);
+
+ needWake = enqueueInboundEventLocked(newEntry);
+ mLock.unlock();
+ } // release lock
+
+ if (needWake) {
+ mLooper->wake();
+ }
+}
+
+bool InputDispatcher::shouldSendMotionToInputFilterLocked(const NotifyMotionArgs* args) {
+ // TODO: support sending secondary display events to input filter
+ return mInputFilterEnabled && isMainDisplay(args->displayId);
+}
+
+void InputDispatcher::notifySwitch(const NotifySwitchArgs* args) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ ALOGD("notifySwitch - eventTime=%lld, policyFlags=0x%x, switchValues=0x%08x, switchMask=0x%08x",
+ args->eventTime, args->policyFlags,
+ args->switchValues, args->switchMask);
+#endif
+
+ uint32_t policyFlags = args->policyFlags;
+ policyFlags |= POLICY_FLAG_TRUSTED;
+ mPolicy->notifySwitch(args->eventTime,
+ args->switchValues, args->switchMask, policyFlags);
+}
+
+void InputDispatcher::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ ALOGD("notifyDeviceReset - eventTime=%lld, deviceId=%d",
+ args->eventTime, args->deviceId);
+#endif
+
+ bool needWake;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ DeviceResetEntry* newEntry = new DeviceResetEntry(args->eventTime, args->deviceId);
+ needWake = enqueueInboundEventLocked(newEntry);
+ } // release lock
+
+ if (needWake) {
+ mLooper->wake();
+ }
+}
+
+int32_t InputDispatcher::injectInputEvent(const InputEvent* event,
+ int32_t injectorPid, int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis,
+ uint32_t policyFlags) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ ALOGD("injectInputEvent - eventType=%d, injectorPid=%d, injectorUid=%d, "
+ "syncMode=%d, timeoutMillis=%d, policyFlags=0x%08x",
+ event->getType(), injectorPid, injectorUid, syncMode, timeoutMillis, policyFlags);
+#endif
+
+ nsecs_t endTime = now() + milliseconds_to_nanoseconds(timeoutMillis);
+
+ policyFlags |= POLICY_FLAG_INJECTED;
+ if (hasInjectionPermission(injectorPid, injectorUid)) {
+ policyFlags |= POLICY_FLAG_TRUSTED;
+ }
+
+ EventEntry* firstInjectedEntry;
+ EventEntry* lastInjectedEntry;
+ switch (event->getType()) {
+ case AINPUT_EVENT_TYPE_KEY: {
+ const KeyEvent* keyEvent = static_cast<const KeyEvent*>(event);
+ int32_t action = keyEvent->getAction();
+ if (! validateKeyEvent(action)) {
+ return INPUT_EVENT_INJECTION_FAILED;
+ }
+
+ int32_t flags = keyEvent->getFlags();
+ if (flags & AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY) {
+ policyFlags |= POLICY_FLAG_VIRTUAL;
+ }
+
+ if (!(policyFlags & POLICY_FLAG_FILTERED)) {
+ mPolicy->interceptKeyBeforeQueueing(keyEvent, /*byref*/ policyFlags);
+ }
+
+ if (policyFlags & POLICY_FLAG_WOKE_HERE) {
+ flags |= AKEY_EVENT_FLAG_WOKE_HERE;
+ }
+
+ mLock.lock();
+ firstInjectedEntry = new KeyEntry(keyEvent->getEventTime(),
+ keyEvent->getDeviceId(), keyEvent->getSource(),
+ policyFlags, action, flags,
+ keyEvent->getKeyCode(), keyEvent->getScanCode(), keyEvent->getMetaState(),
+ keyEvent->getRepeatCount(), keyEvent->getDownTime());
+ lastInjectedEntry = firstInjectedEntry;
+ break;
+ }
+
+ case AINPUT_EVENT_TYPE_MOTION: {
+ const MotionEvent* motionEvent = static_cast<const MotionEvent*>(event);
+ int32_t displayId = ADISPLAY_ID_DEFAULT;
+ int32_t action = motionEvent->getAction();
+ size_t pointerCount = motionEvent->getPointerCount();
+ const PointerProperties* pointerProperties = motionEvent->getPointerProperties();
+ if (! validateMotionEvent(action, pointerCount, pointerProperties)) {
+ return INPUT_EVENT_INJECTION_FAILED;
+ }
+
+ if (!(policyFlags & POLICY_FLAG_FILTERED)) {
+ nsecs_t eventTime = motionEvent->getEventTime();
+ mPolicy->interceptMotionBeforeQueueing(eventTime, /*byref*/ policyFlags);
+ }
+
+ mLock.lock();
+ const nsecs_t* sampleEventTimes = motionEvent->getSampleEventTimes();
+ const PointerCoords* samplePointerCoords = motionEvent->getSamplePointerCoords();
+ firstInjectedEntry = new MotionEntry(*sampleEventTimes,
+ motionEvent->getDeviceId(), motionEvent->getSource(), policyFlags,
+ action, motionEvent->getFlags(),
+ motionEvent->getMetaState(), motionEvent->getButtonState(),
+ motionEvent->getEdgeFlags(),
+ motionEvent->getXPrecision(), motionEvent->getYPrecision(),
+ motionEvent->getDownTime(), displayId,
+ uint32_t(pointerCount), pointerProperties, samplePointerCoords);
+ lastInjectedEntry = firstInjectedEntry;
+ for (size_t i = motionEvent->getHistorySize(); i > 0; i--) {
+ sampleEventTimes += 1;
+ samplePointerCoords += pointerCount;
+ MotionEntry* nextInjectedEntry = new MotionEntry(*sampleEventTimes,
+ motionEvent->getDeviceId(), motionEvent->getSource(), policyFlags,
+ action, motionEvent->getFlags(),
+ motionEvent->getMetaState(), motionEvent->getButtonState(),
+ motionEvent->getEdgeFlags(),
+ motionEvent->getXPrecision(), motionEvent->getYPrecision(),
+ motionEvent->getDownTime(), displayId,
+ uint32_t(pointerCount), pointerProperties, samplePointerCoords);
+ lastInjectedEntry->next = nextInjectedEntry;
+ lastInjectedEntry = nextInjectedEntry;
+ }
+ break;
+ }
+
+ default:
+ ALOGW("Cannot inject event of type %d", event->getType());
+ return INPUT_EVENT_INJECTION_FAILED;
+ }
+
+ InjectionState* injectionState = new InjectionState(injectorPid, injectorUid);
+ if (syncMode == INPUT_EVENT_INJECTION_SYNC_NONE) {
+ injectionState->injectionIsAsync = true;
+ }
+
+ injectionState->refCount += 1;
+ lastInjectedEntry->injectionState = injectionState;
+
+ bool needWake = false;
+ for (EventEntry* entry = firstInjectedEntry; entry != NULL; ) {
+ EventEntry* nextEntry = entry->next;
+ needWake |= enqueueInboundEventLocked(entry);
+ entry = nextEntry;
+ }
+
+ mLock.unlock();
+
+ if (needWake) {
+ mLooper->wake();
+ }
+
+ int32_t injectionResult;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (syncMode == INPUT_EVENT_INJECTION_SYNC_NONE) {
+ injectionResult = INPUT_EVENT_INJECTION_SUCCEEDED;
+ } else {
+ for (;;) {
+ injectionResult = injectionState->injectionResult;
+ if (injectionResult != INPUT_EVENT_INJECTION_PENDING) {
+ break;
+ }
+
+ nsecs_t remainingTimeout = endTime - now();
+ if (remainingTimeout <= 0) {
+#if DEBUG_INJECTION
+ ALOGD("injectInputEvent - Timed out waiting for injection result "
+ "to become available.");
+#endif
+ injectionResult = INPUT_EVENT_INJECTION_TIMED_OUT;
+ break;
+ }
+
+ mInjectionResultAvailableCondition.waitRelative(mLock, remainingTimeout);
+ }
+
+ if (injectionResult == INPUT_EVENT_INJECTION_SUCCEEDED
+ && syncMode == INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_FINISHED) {
+ while (injectionState->pendingForegroundDispatches != 0) {
+#if DEBUG_INJECTION
+ ALOGD("injectInputEvent - Waiting for %d pending foreground dispatches.",
+ injectionState->pendingForegroundDispatches);
+#endif
+ nsecs_t remainingTimeout = endTime - now();
+ if (remainingTimeout <= 0) {
+#if DEBUG_INJECTION
+ ALOGD("injectInputEvent - Timed out waiting for pending foreground "
+ "dispatches to finish.");
+#endif
+ injectionResult = INPUT_EVENT_INJECTION_TIMED_OUT;
+ break;
+ }
+
+ mInjectionSyncFinishedCondition.waitRelative(mLock, remainingTimeout);
+ }
+ }
+ }
+
+ injectionState->release();
+ } // release lock
+
+#if DEBUG_INJECTION
+ ALOGD("injectInputEvent - Finished with result %d. "
+ "injectorPid=%d, injectorUid=%d",
+ injectionResult, injectorPid, injectorUid);
+#endif
+
+ return injectionResult;
+}
+
+bool InputDispatcher::hasInjectionPermission(int32_t injectorPid, int32_t injectorUid) {
+ return injectorUid == 0
+ || mPolicy->checkInjectEventsPermissionNonReentrant(injectorPid, injectorUid);
+}
+
+void InputDispatcher::setInjectionResultLocked(EventEntry* entry, int32_t injectionResult) {
+ InjectionState* injectionState = entry->injectionState;
+ if (injectionState) {
+#if DEBUG_INJECTION
+ ALOGD("Setting input event injection result to %d. "
+ "injectorPid=%d, injectorUid=%d",
+ injectionResult, injectionState->injectorPid, injectionState->injectorUid);
+#endif
+
+ if (injectionState->injectionIsAsync
+ && !(entry->policyFlags & POLICY_FLAG_FILTERED)) {
+ // Log the outcome since the injector did not wait for the injection result.
+ switch (injectionResult) {
+ case INPUT_EVENT_INJECTION_SUCCEEDED:
+ ALOGV("Asynchronous input event injection succeeded.");
+ break;
+ case INPUT_EVENT_INJECTION_FAILED:
+ ALOGW("Asynchronous input event injection failed.");
+ break;
+ case INPUT_EVENT_INJECTION_PERMISSION_DENIED:
+ ALOGW("Asynchronous input event injection permission denied.");
+ break;
+ case INPUT_EVENT_INJECTION_TIMED_OUT:
+ ALOGW("Asynchronous input event injection timed out.");
+ break;
+ }
+ }
+
+ injectionState->injectionResult = injectionResult;
+ mInjectionResultAvailableCondition.broadcast();
+ }
+}
+
+void InputDispatcher::incrementPendingForegroundDispatchesLocked(EventEntry* entry) {
+ InjectionState* injectionState = entry->injectionState;
+ if (injectionState) {
+ injectionState->pendingForegroundDispatches += 1;
+ }
+}
+
+void InputDispatcher::decrementPendingForegroundDispatchesLocked(EventEntry* entry) {
+ InjectionState* injectionState = entry->injectionState;
+ if (injectionState) {
+ injectionState->pendingForegroundDispatches -= 1;
+
+ if (injectionState->pendingForegroundDispatches == 0) {
+ mInjectionSyncFinishedCondition.broadcast();
+ }
+ }
+}
+
+sp<InputWindowHandle> InputDispatcher::getWindowHandleLocked(
+ const sp<InputChannel>& inputChannel) const {
+ size_t numWindows = mWindowHandles.size();
+ for (size_t i = 0; i < numWindows; i++) {
+ const sp<InputWindowHandle>& windowHandle = mWindowHandles.itemAt(i);
+ if (windowHandle->getInputChannel() == inputChannel) {
+ return windowHandle;
+ }
+ }
+ return NULL;
+}
+
+bool InputDispatcher::hasWindowHandleLocked(
+ const sp<InputWindowHandle>& windowHandle) const {
+ size_t numWindows = mWindowHandles.size();
+ for (size_t i = 0; i < numWindows; i++) {
+ if (mWindowHandles.itemAt(i) == windowHandle) {
+ return true;
+ }
+ }
+ return false;
+}
+
+void InputDispatcher::setInputWindows(const Vector<sp<InputWindowHandle> >& inputWindowHandles) {
+#if DEBUG_FOCUS
+ ALOGD("setInputWindows");
+#endif
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ Vector<sp<InputWindowHandle> > oldWindowHandles = mWindowHandles;
+ mWindowHandles = inputWindowHandles;
+
+ sp<InputWindowHandle> newFocusedWindowHandle;
+ bool foundHoveredWindow = false;
+ for (size_t i = 0; i < mWindowHandles.size(); i++) {
+ const sp<InputWindowHandle>& windowHandle = mWindowHandles.itemAt(i);
+ if (!windowHandle->updateInfo() || windowHandle->getInputChannel() == NULL) {
+ mWindowHandles.removeAt(i--);
+ continue;
+ }
+ if (windowHandle->getInfo()->hasFocus) {
+ newFocusedWindowHandle = windowHandle;
+ }
+ if (windowHandle == mLastHoverWindowHandle) {
+ foundHoveredWindow = true;
+ }
+ }
+
+ if (!foundHoveredWindow) {
+ mLastHoverWindowHandle = NULL;
+ }
+
+ if (mFocusedWindowHandle != newFocusedWindowHandle) {
+ if (mFocusedWindowHandle != NULL) {
+#if DEBUG_FOCUS
+ ALOGD("Focus left window: %s",
+ mFocusedWindowHandle->getName().string());
+#endif
+ sp<InputChannel> focusedInputChannel = mFocusedWindowHandle->getInputChannel();
+ if (focusedInputChannel != NULL) {
+ CancelationOptions options(CancelationOptions::CANCEL_NON_POINTER_EVENTS,
+ "focus left window");
+ synthesizeCancelationEventsForInputChannelLocked(
+ focusedInputChannel, options);
+ }
+ }
+ if (newFocusedWindowHandle != NULL) {
+#if DEBUG_FOCUS
+ ALOGD("Focus entered window: %s",
+ newFocusedWindowHandle->getName().string());
+#endif
+ }
+ mFocusedWindowHandle = newFocusedWindowHandle;
+ }
+
+ for (size_t i = 0; i < mTouchState.windows.size(); i++) {
+ TouchedWindow& touchedWindow = mTouchState.windows.editItemAt(i);
+ if (!hasWindowHandleLocked(touchedWindow.windowHandle)) {
+#if DEBUG_FOCUS
+ ALOGD("Touched window was removed: %s",
+ touchedWindow.windowHandle->getName().string());
+#endif
+ sp<InputChannel> touchedInputChannel =
+ touchedWindow.windowHandle->getInputChannel();
+ if (touchedInputChannel != NULL) {
+ CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
+ "touched window was removed");
+ synthesizeCancelationEventsForInputChannelLocked(
+ touchedInputChannel, options);
+ }
+ mTouchState.windows.removeAt(i--);
+ }
+ }
+
+ // Release information for windows that are no longer present.
+ // This ensures that unused input channels are released promptly.
+ // Otherwise, they might stick around until the window handle is destroyed
+ // which might not happen until the next GC.
+ for (size_t i = 0; i < oldWindowHandles.size(); i++) {
+ const sp<InputWindowHandle>& oldWindowHandle = oldWindowHandles.itemAt(i);
+ if (!hasWindowHandleLocked(oldWindowHandle)) {
+#if DEBUG_FOCUS
+ ALOGD("Window went away: %s", oldWindowHandle->getName().string());
+#endif
+ oldWindowHandle->releaseInfo();
+ }
+ }
+ } // release lock
+
+ // Wake up poll loop since it may need to make new input dispatching choices.
+ mLooper->wake();
+}
+
+void InputDispatcher::setFocusedApplication(
+ const sp<InputApplicationHandle>& inputApplicationHandle) {
+#if DEBUG_FOCUS
+ ALOGD("setFocusedApplication");
+#endif
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (inputApplicationHandle != NULL && inputApplicationHandle->updateInfo()) {
+ if (mFocusedApplicationHandle != inputApplicationHandle) {
+ if (mFocusedApplicationHandle != NULL) {
+ resetANRTimeoutsLocked();
+ mFocusedApplicationHandle->releaseInfo();
+ }
+ mFocusedApplicationHandle = inputApplicationHandle;
+ }
+ } else if (mFocusedApplicationHandle != NULL) {
+ resetANRTimeoutsLocked();
+ mFocusedApplicationHandle->releaseInfo();
+ mFocusedApplicationHandle.clear();
+ }
+
+#if DEBUG_FOCUS
+ //logDispatchStateLocked();
+#endif
+ } // release lock
+
+ // Wake up poll loop since it may need to make new input dispatching choices.
+ mLooper->wake();
+}
+
+void InputDispatcher::setInputDispatchMode(bool enabled, bool frozen) {
+#if DEBUG_FOCUS
+ ALOGD("setInputDispatchMode: enabled=%d, frozen=%d", enabled, frozen);
+#endif
+
+ bool changed;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (mDispatchEnabled != enabled || mDispatchFrozen != frozen) {
+ if (mDispatchFrozen && !frozen) {
+ resetANRTimeoutsLocked();
+ }
+
+ if (mDispatchEnabled && !enabled) {
+ resetAndDropEverythingLocked("dispatcher is being disabled");
+ }
+
+ mDispatchEnabled = enabled;
+ mDispatchFrozen = frozen;
+ changed = true;
+ } else {
+ changed = false;
+ }
+
+#if DEBUG_FOCUS
+ //logDispatchStateLocked();
+#endif
+ } // release lock
+
+ if (changed) {
+ // Wake up poll loop since it may need to make new input dispatching choices.
+ mLooper->wake();
+ }
+}
+
+void InputDispatcher::setInputFilterEnabled(bool enabled) {
+#if DEBUG_FOCUS
+ ALOGD("setInputFilterEnabled: enabled=%d", enabled);
+#endif
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (mInputFilterEnabled == enabled) {
+ return;
+ }
+
+ mInputFilterEnabled = enabled;
+ resetAndDropEverythingLocked("input filter is being enabled or disabled");
+ } // release lock
+
+ // Wake up poll loop since there might be work to do to drop everything.
+ mLooper->wake();
+}
+
+bool InputDispatcher::transferTouchFocus(const sp<InputChannel>& fromChannel,
+ const sp<InputChannel>& toChannel) {
+#if DEBUG_FOCUS
+ ALOGD("transferTouchFocus: fromChannel=%s, toChannel=%s",
+ fromChannel->getName().string(), toChannel->getName().string());
+#endif
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ sp<InputWindowHandle> fromWindowHandle = getWindowHandleLocked(fromChannel);
+ sp<InputWindowHandle> toWindowHandle = getWindowHandleLocked(toChannel);
+ if (fromWindowHandle == NULL || toWindowHandle == NULL) {
+#if DEBUG_FOCUS
+ ALOGD("Cannot transfer focus because from or to window not found.");
+#endif
+ return false;
+ }
+ if (fromWindowHandle == toWindowHandle) {
+#if DEBUG_FOCUS
+ ALOGD("Trivial transfer to same window.");
+#endif
+ return true;
+ }
+ if (fromWindowHandle->getInfo()->displayId != toWindowHandle->getInfo()->displayId) {
+#if DEBUG_FOCUS
+ ALOGD("Cannot transfer focus because windows are on different displays.");
+#endif
+ return false;
+ }
+
+ bool found = false;
+ for (size_t i = 0; i < mTouchState.windows.size(); i++) {
+ const TouchedWindow& touchedWindow = mTouchState.windows[i];
+ if (touchedWindow.windowHandle == fromWindowHandle) {
+ int32_t oldTargetFlags = touchedWindow.targetFlags;
+ BitSet32 pointerIds = touchedWindow.pointerIds;
+
+ mTouchState.windows.removeAt(i);
+
+ int32_t newTargetFlags = oldTargetFlags
+ & (InputTarget::FLAG_FOREGROUND
+ | InputTarget::FLAG_SPLIT | InputTarget::FLAG_DISPATCH_AS_IS);
+ mTouchState.addOrUpdateWindow(toWindowHandle, newTargetFlags, pointerIds);
+
+ found = true;
+ break;
+ }
+ }
+
+ if (! found) {
+#if DEBUG_FOCUS
+ ALOGD("Focus transfer failed because from window did not have focus.");
+#endif
+ return false;
+ }
+
+ ssize_t fromConnectionIndex = getConnectionIndexLocked(fromChannel);
+ ssize_t toConnectionIndex = getConnectionIndexLocked(toChannel);
+ if (fromConnectionIndex >= 0 && toConnectionIndex >= 0) {
+ sp<Connection> fromConnection = mConnectionsByFd.valueAt(fromConnectionIndex);
+ sp<Connection> toConnection = mConnectionsByFd.valueAt(toConnectionIndex);
+
+ fromConnection->inputState.copyPointerStateTo(toConnection->inputState);
+ CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
+ "transferring touch focus from this window to another window");
+ synthesizeCancelationEventsForConnectionLocked(fromConnection, options);
+ }
+
+#if DEBUG_FOCUS
+ logDispatchStateLocked();
+#endif
+ } // release lock
+
+ // Wake up poll loop since it may need to make new input dispatching choices.
+ mLooper->wake();
+ return true;
+}
+
+void InputDispatcher::resetAndDropEverythingLocked(const char* reason) {
+#if DEBUG_FOCUS
+ ALOGD("Resetting and dropping all events (%s).", reason);
+#endif
+
+ CancelationOptions options(CancelationOptions::CANCEL_ALL_EVENTS, reason);
+ synthesizeCancelationEventsForAllConnectionsLocked(options);
+
+ resetKeyRepeatLocked();
+ releasePendingEventLocked();
+ drainInboundQueueLocked();
+ resetANRTimeoutsLocked();
+
+ mTouchState.reset();
+ mLastHoverWindowHandle.clear();
+}
+
+void InputDispatcher::logDispatchStateLocked() {
+ String8 dump;
+ dumpDispatchStateLocked(dump);
+
+ char* text = dump.lockBuffer(dump.size());
+ char* start = text;
+ while (*start != '\0') {
+ char* end = strchr(start, '\n');
+ if (*end == '\n') {
+ *(end++) = '\0';
+ }
+ ALOGD("%s", start);
+ start = end;
+ }
+}
+
+void InputDispatcher::dumpDispatchStateLocked(String8& dump) {
+ dump.appendFormat(INDENT "DispatchEnabled: %d\n", mDispatchEnabled);
+ dump.appendFormat(INDENT "DispatchFrozen: %d\n", mDispatchFrozen);
+
+ if (mFocusedApplicationHandle != NULL) {
+ dump.appendFormat(INDENT "FocusedApplication: name='%s', dispatchingTimeout=%0.3fms\n",
+ mFocusedApplicationHandle->getName().string(),
+ mFocusedApplicationHandle->getDispatchingTimeout(
+ DEFAULT_INPUT_DISPATCHING_TIMEOUT) / 1000000.0);
+ } else {
+ dump.append(INDENT "FocusedApplication: <null>\n");
+ }
+ dump.appendFormat(INDENT "FocusedWindow: name='%s'\n",
+ mFocusedWindowHandle != NULL ? mFocusedWindowHandle->getName().string() : "<null>");
+
+ dump.appendFormat(INDENT "TouchDown: %s\n", toString(mTouchState.down));
+ dump.appendFormat(INDENT "TouchSplit: %s\n", toString(mTouchState.split));
+ dump.appendFormat(INDENT "TouchDeviceId: %d\n", mTouchState.deviceId);
+ dump.appendFormat(INDENT "TouchSource: 0x%08x\n", mTouchState.source);
+ dump.appendFormat(INDENT "TouchDisplayId: %d\n", mTouchState.displayId);
+ if (!mTouchState.windows.isEmpty()) {
+ dump.append(INDENT "TouchedWindows:\n");
+ for (size_t i = 0; i < mTouchState.windows.size(); i++) {
+ const TouchedWindow& touchedWindow = mTouchState.windows[i];
+ dump.appendFormat(INDENT2 "%d: name='%s', pointerIds=0x%0x, targetFlags=0x%x\n",
+ i, touchedWindow.windowHandle->getName().string(),
+ touchedWindow.pointerIds.value,
+ touchedWindow.targetFlags);
+ }
+ } else {
+ dump.append(INDENT "TouchedWindows: <none>\n");
+ }
+
+ if (!mWindowHandles.isEmpty()) {
+ dump.append(INDENT "Windows:\n");
+ for (size_t i = 0; i < mWindowHandles.size(); i++) {
+ const sp<InputWindowHandle>& windowHandle = mWindowHandles.itemAt(i);
+ const InputWindowInfo* windowInfo = windowHandle->getInfo();
+
+ dump.appendFormat(INDENT2 "%d: name='%s', displayId=%d, "
+ "paused=%s, hasFocus=%s, hasWallpaper=%s, "
+ "visible=%s, canReceiveKeys=%s, flags=0x%08x, type=0x%08x, layer=%d, "
+ "frame=[%d,%d][%d,%d], scale=%f, "
+ "touchableRegion=",
+ i, windowInfo->name.string(), windowInfo->displayId,
+ toString(windowInfo->paused),
+ toString(windowInfo->hasFocus),
+ toString(windowInfo->hasWallpaper),
+ toString(windowInfo->visible),
+ toString(windowInfo->canReceiveKeys),
+ windowInfo->layoutParamsFlags, windowInfo->layoutParamsType,
+ windowInfo->layer,
+ windowInfo->frameLeft, windowInfo->frameTop,
+ windowInfo->frameRight, windowInfo->frameBottom,
+ windowInfo->scaleFactor);
+ dumpRegion(dump, windowInfo->touchableRegion);
+ dump.appendFormat(", inputFeatures=0x%08x", windowInfo->inputFeatures);
+ dump.appendFormat(", ownerPid=%d, ownerUid=%d, dispatchingTimeout=%0.3fms\n",
+ windowInfo->ownerPid, windowInfo->ownerUid,
+ windowInfo->dispatchingTimeout / 1000000.0);
+ }
+ } else {
+ dump.append(INDENT "Windows: <none>\n");
+ }
+
+ if (!mMonitoringChannels.isEmpty()) {
+ dump.append(INDENT "MonitoringChannels:\n");
+ for (size_t i = 0; i < mMonitoringChannels.size(); i++) {
+ const sp<InputChannel>& channel = mMonitoringChannels[i];
+ dump.appendFormat(INDENT2 "%d: '%s'\n", i, channel->getName().string());
+ }
+ } else {
+ dump.append(INDENT "MonitoringChannels: <none>\n");
+ }
+
+ nsecs_t currentTime = now();
+
+ // Dump recently dispatched or dropped events from oldest to newest.
+ if (!mRecentQueue.isEmpty()) {
+ dump.appendFormat(INDENT "RecentQueue: length=%u\n", mRecentQueue.count());
+ for (EventEntry* entry = mRecentQueue.head; entry; entry = entry->next) {
+ dump.append(INDENT2);
+ entry->appendDescription(dump);
+ dump.appendFormat(", age=%0.1fms\n",
+ (currentTime - entry->eventTime) * 0.000001f);
+ }
+ } else {
+ dump.append(INDENT "RecentQueue: <empty>\n");
+ }
+
+ // Dump event currently being dispatched.
+ if (mPendingEvent) {
+ dump.append(INDENT "PendingEvent:\n");
+ dump.append(INDENT2);
+ mPendingEvent->appendDescription(dump);
+ dump.appendFormat(", age=%0.1fms\n",
+ (currentTime - mPendingEvent->eventTime) * 0.000001f);
+ } else {
+ dump.append(INDENT "PendingEvent: <none>\n");
+ }
+
+ // Dump inbound events from oldest to newest.
+ if (!mInboundQueue.isEmpty()) {
+ dump.appendFormat(INDENT "InboundQueue: length=%u\n", mInboundQueue.count());
+ for (EventEntry* entry = mInboundQueue.head; entry; entry = entry->next) {
+ dump.append(INDENT2);
+ entry->appendDescription(dump);
+ dump.appendFormat(", age=%0.1fms\n",
+ (currentTime - entry->eventTime) * 0.000001f);
+ }
+ } else {
+ dump.append(INDENT "InboundQueue: <empty>\n");
+ }
+
+ if (!mConnectionsByFd.isEmpty()) {
+ dump.append(INDENT "Connections:\n");
+ for (size_t i = 0; i < mConnectionsByFd.size(); i++) {
+ const sp<Connection>& connection = mConnectionsByFd.valueAt(i);
+ dump.appendFormat(INDENT2 "%d: channelName='%s', windowName='%s', "
+ "status=%s, monitor=%s, inputPublisherBlocked=%s\n",
+ i, connection->getInputChannelName(), connection->getWindowName(),
+ connection->getStatusLabel(), toString(connection->monitor),
+ toString(connection->inputPublisherBlocked));
+
+ if (!connection->outboundQueue.isEmpty()) {
+ dump.appendFormat(INDENT3 "OutboundQueue: length=%u\n",
+ connection->outboundQueue.count());
+ for (DispatchEntry* entry = connection->outboundQueue.head; entry;
+ entry = entry->next) {
+ dump.append(INDENT4);
+ entry->eventEntry->appendDescription(dump);
+ dump.appendFormat(", targetFlags=0x%08x, resolvedAction=%d, age=%0.1fms\n",
+ entry->targetFlags, entry->resolvedAction,
+ (currentTime - entry->eventEntry->eventTime) * 0.000001f);
+ }
+ } else {
+ dump.append(INDENT3 "OutboundQueue: <empty>\n");
+ }
+
+ if (!connection->waitQueue.isEmpty()) {
+ dump.appendFormat(INDENT3 "WaitQueue: length=%u\n",
+ connection->waitQueue.count());
+ for (DispatchEntry* entry = connection->waitQueue.head; entry;
+ entry = entry->next) {
+ dump.append(INDENT4);
+ entry->eventEntry->appendDescription(dump);
+ dump.appendFormat(", targetFlags=0x%08x, resolvedAction=%d, "
+ "age=%0.1fms, wait=%0.1fms\n",
+ entry->targetFlags, entry->resolvedAction,
+ (currentTime - entry->eventEntry->eventTime) * 0.000001f,
+ (currentTime - entry->deliveryTime) * 0.000001f);
+ }
+ } else {
+ dump.append(INDENT3 "WaitQueue: <empty>\n");
+ }
+ }
+ } else {
+ dump.append(INDENT "Connections: <none>\n");
+ }
+
+ if (isAppSwitchPendingLocked()) {
+ dump.appendFormat(INDENT "AppSwitch: pending, due in %0.1fms\n",
+ (mAppSwitchDueTime - now()) / 1000000.0);
+ } else {
+ dump.append(INDENT "AppSwitch: not pending\n");
+ }
+
+ dump.append(INDENT "Configuration:\n");
+ dump.appendFormat(INDENT2 "KeyRepeatDelay: %0.1fms\n",
+ mConfig.keyRepeatDelay * 0.000001f);
+ dump.appendFormat(INDENT2 "KeyRepeatTimeout: %0.1fms\n",
+ mConfig.keyRepeatTimeout * 0.000001f);
+}
+
+status_t InputDispatcher::registerInputChannel(const sp<InputChannel>& inputChannel,
+ const sp<InputWindowHandle>& inputWindowHandle, bool monitor) {
+#if DEBUG_REGISTRATION
+ ALOGD("channel '%s' ~ registerInputChannel - monitor=%s", inputChannel->getName().string(),
+ toString(monitor));
+#endif
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (getConnectionIndexLocked(inputChannel) >= 0) {
+ ALOGW("Attempted to register already registered input channel '%s'",
+ inputChannel->getName().string());
+ return BAD_VALUE;
+ }
+
+ sp<Connection> connection = new Connection(inputChannel, inputWindowHandle, monitor);
+
+ int fd = inputChannel->getFd();
+ mConnectionsByFd.add(fd, connection);
+
+ if (monitor) {
+ mMonitoringChannels.push(inputChannel);
+ }
+
+ mLooper->addFd(fd, 0, ALOOPER_EVENT_INPUT, handleReceiveCallback, this);
+ } // release lock
+
+ // Wake the looper because some connections have changed.
+ mLooper->wake();
+ return OK;
+}
+
+status_t InputDispatcher::unregisterInputChannel(const sp<InputChannel>& inputChannel) {
+#if DEBUG_REGISTRATION
+ ALOGD("channel '%s' ~ unregisterInputChannel", inputChannel->getName().string());
+#endif
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ status_t status = unregisterInputChannelLocked(inputChannel, false /*notify*/);
+ if (status) {
+ return status;
+ }
+ } // release lock
+
+ // Wake the poll loop because removing the connection may have changed the current
+ // synchronization state.
+ mLooper->wake();
+ return OK;
+}
+
+status_t InputDispatcher::unregisterInputChannelLocked(const sp<InputChannel>& inputChannel,
+ bool notify) {
+ ssize_t connectionIndex = getConnectionIndexLocked(inputChannel);
+ if (connectionIndex < 0) {
+ ALOGW("Attempted to unregister already unregistered input channel '%s'",
+ inputChannel->getName().string());
+ return BAD_VALUE;
+ }
+
+ sp<Connection> connection = mConnectionsByFd.valueAt(connectionIndex);
+ mConnectionsByFd.removeItemsAt(connectionIndex);
+
+ if (connection->monitor) {
+ removeMonitorChannelLocked(inputChannel);
+ }
+
+ mLooper->removeFd(inputChannel->getFd());
+
+ nsecs_t currentTime = now();
+ abortBrokenDispatchCycleLocked(currentTime, connection, notify);
+
+ connection->status = Connection::STATUS_ZOMBIE;
+ return OK;
+}
+
+void InputDispatcher::removeMonitorChannelLocked(const sp<InputChannel>& inputChannel) {
+ for (size_t i = 0; i < mMonitoringChannels.size(); i++) {
+ if (mMonitoringChannels[i] == inputChannel) {
+ mMonitoringChannels.removeAt(i);
+ break;
+ }
+ }
+}
+
+ssize_t InputDispatcher::getConnectionIndexLocked(const sp<InputChannel>& inputChannel) {
+ ssize_t connectionIndex = mConnectionsByFd.indexOfKey(inputChannel->getFd());
+ if (connectionIndex >= 0) {
+ sp<Connection> connection = mConnectionsByFd.valueAt(connectionIndex);
+ if (connection->inputChannel.get() == inputChannel.get()) {
+ return connectionIndex;
+ }
+ }
+
+ return -1;
+}
+
+void InputDispatcher::onDispatchCycleFinishedLocked(
+ nsecs_t currentTime, const sp<Connection>& connection, uint32_t seq, bool handled) {
+ CommandEntry* commandEntry = postCommandLocked(
+ & InputDispatcher::doDispatchCycleFinishedLockedInterruptible);
+ commandEntry->connection = connection;
+ commandEntry->eventTime = currentTime;
+ commandEntry->seq = seq;
+ commandEntry->handled = handled;
+}
+
+void InputDispatcher::onDispatchCycleBrokenLocked(
+ nsecs_t currentTime, const sp<Connection>& connection) {
+ ALOGE("channel '%s' ~ Channel is unrecoverably broken and will be disposed!",
+ connection->getInputChannelName());
+
+ CommandEntry* commandEntry = postCommandLocked(
+ & InputDispatcher::doNotifyInputChannelBrokenLockedInterruptible);
+ commandEntry->connection = connection;
+}
+
+void InputDispatcher::onANRLocked(
+ nsecs_t currentTime, const sp<InputApplicationHandle>& applicationHandle,
+ const sp<InputWindowHandle>& windowHandle,
+ nsecs_t eventTime, nsecs_t waitStartTime, const char* reason) {
+ float dispatchLatency = (currentTime - eventTime) * 0.000001f;
+ float waitDuration = (currentTime - waitStartTime) * 0.000001f;
+ ALOGI("Application is not responding: %s. "
+ "It has been %0.1fms since event, %0.1fms since wait started. Reason: %s",
+ getApplicationWindowLabelLocked(applicationHandle, windowHandle).string(),
+ dispatchLatency, waitDuration, reason);
+
+ // Capture a record of the InputDispatcher state at the time of the ANR.
+ time_t t = time(NULL);
+ struct tm tm;
+ localtime_r(&t, &tm);
+ char timestr[64];
+ strftime(timestr, sizeof(timestr), "%F %T", &tm);
+ mLastANRState.clear();
+ mLastANRState.append(INDENT "ANR:\n");
+ mLastANRState.appendFormat(INDENT2 "Time: %s\n", timestr);
+ mLastANRState.appendFormat(INDENT2 "Window: %s\n",
+ getApplicationWindowLabelLocked(applicationHandle, windowHandle).string());
+ mLastANRState.appendFormat(INDENT2 "DispatchLatency: %0.1fms\n", dispatchLatency);
+ mLastANRState.appendFormat(INDENT2 "WaitDuration: %0.1fms\n", waitDuration);
+ mLastANRState.appendFormat(INDENT2 "Reason: %s\n", reason);
+ dumpDispatchStateLocked(mLastANRState);
+
+ CommandEntry* commandEntry = postCommandLocked(
+ & InputDispatcher::doNotifyANRLockedInterruptible);
+ commandEntry->inputApplicationHandle = applicationHandle;
+ commandEntry->inputWindowHandle = windowHandle;
+ commandEntry->reason = reason;
+}
+
+void InputDispatcher::doNotifyConfigurationChangedInterruptible(
+ CommandEntry* commandEntry) {
+ mLock.unlock();
+
+ mPolicy->notifyConfigurationChanged(commandEntry->eventTime);
+
+ mLock.lock();
+}
+
+void InputDispatcher::doNotifyInputChannelBrokenLockedInterruptible(
+ CommandEntry* commandEntry) {
+ sp<Connection> connection = commandEntry->connection;
+
+ if (connection->status != Connection::STATUS_ZOMBIE) {
+ mLock.unlock();
+
+ mPolicy->notifyInputChannelBroken(connection->inputWindowHandle);
+
+ mLock.lock();
+ }
+}
+
+void InputDispatcher::doNotifyANRLockedInterruptible(
+ CommandEntry* commandEntry) {
+ mLock.unlock();
+
+ nsecs_t newTimeout = mPolicy->notifyANR(
+ commandEntry->inputApplicationHandle, commandEntry->inputWindowHandle,
+ commandEntry->reason);
+
+ mLock.lock();
+
+ resumeAfterTargetsNotReadyTimeoutLocked(newTimeout,
+ commandEntry->inputWindowHandle != NULL
+ ? commandEntry->inputWindowHandle->getInputChannel() : NULL);
+}
+
+void InputDispatcher::doInterceptKeyBeforeDispatchingLockedInterruptible(
+ CommandEntry* commandEntry) {
+ KeyEntry* entry = commandEntry->keyEntry;
+
+ KeyEvent event;
+ initializeKeyEvent(&event, entry);
+
+ mLock.unlock();
+
+ nsecs_t delay = mPolicy->interceptKeyBeforeDispatching(commandEntry->inputWindowHandle,
+ &event, entry->policyFlags);
+
+ mLock.lock();
+
+ if (delay < 0) {
+ entry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_SKIP;
+ } else if (!delay) {
+ entry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_CONTINUE;
+ } else {
+ entry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_TRY_AGAIN_LATER;
+ entry->interceptKeyWakeupTime = now() + delay;
+ }
+ entry->release();
+}
+
+void InputDispatcher::doDispatchCycleFinishedLockedInterruptible(
+ CommandEntry* commandEntry) {
+ sp<Connection> connection = commandEntry->connection;
+ nsecs_t finishTime = commandEntry->eventTime;
+ uint32_t seq = commandEntry->seq;
+ bool handled = commandEntry->handled;
+
+ // Handle post-event policy actions.
+ DispatchEntry* dispatchEntry = connection->findWaitQueueEntry(seq);
+ if (dispatchEntry) {
+ nsecs_t eventDuration = finishTime - dispatchEntry->deliveryTime;
+ if (eventDuration > SLOW_EVENT_PROCESSING_WARNING_TIMEOUT) {
+ String8 msg;
+ msg.appendFormat("Window '%s' spent %0.1fms processing the last input event: ",
+ connection->getWindowName(), eventDuration * 0.000001f);
+ dispatchEntry->eventEntry->appendDescription(msg);
+ ALOGI("%s", msg.string());
+ }
+
+ bool restartEvent;
+ if (dispatchEntry->eventEntry->type == EventEntry::TYPE_KEY) {
+ KeyEntry* keyEntry = static_cast<KeyEntry*>(dispatchEntry->eventEntry);
+ restartEvent = afterKeyEventLockedInterruptible(connection,
+ dispatchEntry, keyEntry, handled);
+ } else if (dispatchEntry->eventEntry->type == EventEntry::TYPE_MOTION) {
+ MotionEntry* motionEntry = static_cast<MotionEntry*>(dispatchEntry->eventEntry);
+ restartEvent = afterMotionEventLockedInterruptible(connection,
+ dispatchEntry, motionEntry, handled);
+ } else {
+ restartEvent = false;
+ }
+
+ // Dequeue the event and start the next cycle.
+ // Note that because the lock might have been released, it is possible that the
+ // contents of the wait queue to have been drained, so we need to double-check
+ // a few things.
+ if (dispatchEntry == connection->findWaitQueueEntry(seq)) {
+ connection->waitQueue.dequeue(dispatchEntry);
+ traceWaitQueueLengthLocked(connection);
+ if (restartEvent && connection->status == Connection::STATUS_NORMAL) {
+ connection->outboundQueue.enqueueAtHead(dispatchEntry);
+ traceOutboundQueueLengthLocked(connection);
+ } else {
+ releaseDispatchEntryLocked(dispatchEntry);
+ }
+ }
+
+ // Start the next dispatch cycle for this connection.
+ startDispatchCycleLocked(now(), connection);
+ }
+}
+
+bool InputDispatcher::afterKeyEventLockedInterruptible(const sp<Connection>& connection,
+ DispatchEntry* dispatchEntry, KeyEntry* keyEntry, bool handled) {
+ if (!(keyEntry->flags & AKEY_EVENT_FLAG_FALLBACK)) {
+ // Get the fallback key state.
+ // Clear it out after dispatching the UP.
+ int32_t originalKeyCode = keyEntry->keyCode;
+ int32_t fallbackKeyCode = connection->inputState.getFallbackKey(originalKeyCode);
+ if (keyEntry->action == AKEY_EVENT_ACTION_UP) {
+ connection->inputState.removeFallbackKey(originalKeyCode);
+ }
+
+ if (handled || !dispatchEntry->hasForegroundTarget()) {
+ // If the application handles the original key for which we previously
+ // generated a fallback or if the window is not a foreground window,
+ // then cancel the associated fallback key, if any.
+ if (fallbackKeyCode != -1) {
+ // Dispatch the unhandled key to the policy with the cancel flag.
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("Unhandled key event: Asking policy to cancel fallback action. "
+ "keyCode=%d, action=%d, repeatCount=%d, policyFlags=0x%08x",
+ keyEntry->keyCode, keyEntry->action, keyEntry->repeatCount,
+ keyEntry->policyFlags);
+#endif
+ KeyEvent event;
+ initializeKeyEvent(&event, keyEntry);
+ event.setFlags(event.getFlags() | AKEY_EVENT_FLAG_CANCELED);
+
+ mLock.unlock();
+
+ mPolicy->dispatchUnhandledKey(connection->inputWindowHandle,
+ &event, keyEntry->policyFlags, &event);
+
+ mLock.lock();
+
+ // Cancel the fallback key.
+ if (fallbackKeyCode != AKEYCODE_UNKNOWN) {
+ CancelationOptions options(CancelationOptions::CANCEL_FALLBACK_EVENTS,
+ "application handled the original non-fallback key "
+ "or is no longer a foreground target, "
+ "canceling previously dispatched fallback key");
+ options.keyCode = fallbackKeyCode;
+ synthesizeCancelationEventsForConnectionLocked(connection, options);
+ }
+ connection->inputState.removeFallbackKey(originalKeyCode);
+ }
+ } else {
+ // If the application did not handle a non-fallback key, first check
+ // that we are in a good state to perform unhandled key event processing
+ // Then ask the policy what to do with it.
+ bool initialDown = keyEntry->action == AKEY_EVENT_ACTION_DOWN
+ && keyEntry->repeatCount == 0;
+ if (fallbackKeyCode == -1 && !initialDown) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("Unhandled key event: Skipping unhandled key event processing "
+ "since this is not an initial down. "
+ "keyCode=%d, action=%d, repeatCount=%d, policyFlags=0x%08x",
+ originalKeyCode, keyEntry->action, keyEntry->repeatCount,
+ keyEntry->policyFlags);
+#endif
+ return false;
+ }
+
+ // Dispatch the unhandled key to the policy.
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("Unhandled key event: Asking policy to perform fallback action. "
+ "keyCode=%d, action=%d, repeatCount=%d, policyFlags=0x%08x",
+ keyEntry->keyCode, keyEntry->action, keyEntry->repeatCount,
+ keyEntry->policyFlags);
+#endif
+ KeyEvent event;
+ initializeKeyEvent(&event, keyEntry);
+
+ mLock.unlock();
+
+ bool fallback = mPolicy->dispatchUnhandledKey(connection->inputWindowHandle,
+ &event, keyEntry->policyFlags, &event);
+
+ mLock.lock();
+
+ if (connection->status != Connection::STATUS_NORMAL) {
+ connection->inputState.removeFallbackKey(originalKeyCode);
+ return false;
+ }
+
+ // Latch the fallback keycode for this key on an initial down.
+ // The fallback keycode cannot change at any other point in the lifecycle.
+ if (initialDown) {
+ if (fallback) {
+ fallbackKeyCode = event.getKeyCode();
+ } else {
+ fallbackKeyCode = AKEYCODE_UNKNOWN;
+ }
+ connection->inputState.setFallbackKey(originalKeyCode, fallbackKeyCode);
+ }
+
+ ALOG_ASSERT(fallbackKeyCode != -1);
+
+ // Cancel the fallback key if the policy decides not to send it anymore.
+ // We will continue to dispatch the key to the policy but we will no
+ // longer dispatch a fallback key to the application.
+ if (fallbackKeyCode != AKEYCODE_UNKNOWN
+ && (!fallback || fallbackKeyCode != event.getKeyCode())) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ if (fallback) {
+ ALOGD("Unhandled key event: Policy requested to send key %d"
+ "as a fallback for %d, but on the DOWN it had requested "
+ "to send %d instead. Fallback canceled.",
+ event.getKeyCode(), originalKeyCode, fallbackKeyCode);
+ } else {
+ ALOGD("Unhandled key event: Policy did not request fallback for %d, "
+ "but on the DOWN it had requested to send %d. "
+ "Fallback canceled.",
+ originalKeyCode, fallbackKeyCode);
+ }
+#endif
+
+ CancelationOptions options(CancelationOptions::CANCEL_FALLBACK_EVENTS,
+ "canceling fallback, policy no longer desires it");
+ options.keyCode = fallbackKeyCode;
+ synthesizeCancelationEventsForConnectionLocked(connection, options);
+
+ fallback = false;
+ fallbackKeyCode = AKEYCODE_UNKNOWN;
+ if (keyEntry->action != AKEY_EVENT_ACTION_UP) {
+ connection->inputState.setFallbackKey(originalKeyCode,
+ fallbackKeyCode);
+ }
+ }
+
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ {
+ String8 msg;
+ const KeyedVector<int32_t, int32_t>& fallbackKeys =
+ connection->inputState.getFallbackKeys();
+ for (size_t i = 0; i < fallbackKeys.size(); i++) {
+ msg.appendFormat(", %d->%d", fallbackKeys.keyAt(i),
+ fallbackKeys.valueAt(i));
+ }
+ ALOGD("Unhandled key event: %d currently tracked fallback keys%s.",
+ fallbackKeys.size(), msg.string());
+ }
+#endif
+
+ if (fallback) {
+ // Restart the dispatch cycle using the fallback key.
+ keyEntry->eventTime = event.getEventTime();
+ keyEntry->deviceId = event.getDeviceId();
+ keyEntry->source = event.getSource();
+ keyEntry->flags = event.getFlags() | AKEY_EVENT_FLAG_FALLBACK;
+ keyEntry->keyCode = fallbackKeyCode;
+ keyEntry->scanCode = event.getScanCode();
+ keyEntry->metaState = event.getMetaState();
+ keyEntry->repeatCount = event.getRepeatCount();
+ keyEntry->downTime = event.getDownTime();
+ keyEntry->syntheticRepeat = false;
+
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("Unhandled key event: Dispatching fallback key. "
+ "originalKeyCode=%d, fallbackKeyCode=%d, fallbackMetaState=%08x",
+ originalKeyCode, fallbackKeyCode, keyEntry->metaState);
+#endif
+ return true; // restart the event
+ } else {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("Unhandled key event: No fallback key.");
+#endif
+ }
+ }
+ }
+ return false;
+}
+
+bool InputDispatcher::afterMotionEventLockedInterruptible(const sp<Connection>& connection,
+ DispatchEntry* dispatchEntry, MotionEntry* motionEntry, bool handled) {
+ return false;
+}
+
+void InputDispatcher::doPokeUserActivityLockedInterruptible(CommandEntry* commandEntry) {
+ mLock.unlock();
+
+ mPolicy->pokeUserActivity(commandEntry->eventTime, commandEntry->userActivityEventType);
+
+ mLock.lock();
+}
+
+void InputDispatcher::initializeKeyEvent(KeyEvent* event, const KeyEntry* entry) {
+ event->initialize(entry->deviceId, entry->source, entry->action, entry->flags,
+ entry->keyCode, entry->scanCode, entry->metaState, entry->repeatCount,
+ entry->downTime, entry->eventTime);
+}
+
+void InputDispatcher::updateDispatchStatisticsLocked(nsecs_t currentTime, const EventEntry* entry,
+ int32_t injectionResult, nsecs_t timeSpentWaitingForApplication) {
+ // TODO Write some statistics about how long we spend waiting.
+}
+
+void InputDispatcher::traceInboundQueueLengthLocked() {
+ if (ATRACE_ENABLED()) {
+ ATRACE_INT("iq", mInboundQueue.count());
+ }
+}
+
+void InputDispatcher::traceOutboundQueueLengthLocked(const sp<Connection>& connection) {
+ if (ATRACE_ENABLED()) {
+ char counterName[40];
+ snprintf(counterName, sizeof(counterName), "oq:%s", connection->getWindowName());
+ ATRACE_INT(counterName, connection->outboundQueue.count());
+ }
+}
+
+void InputDispatcher::traceWaitQueueLengthLocked(const sp<Connection>& connection) {
+ if (ATRACE_ENABLED()) {
+ char counterName[40];
+ snprintf(counterName, sizeof(counterName), "wq:%s", connection->getWindowName());
+ ATRACE_INT(counterName, connection->waitQueue.count());
+ }
+}
+
+void InputDispatcher::dump(String8& dump) {
+ AutoMutex _l(mLock);
+
+ dump.append("Input Dispatcher State:\n");
+ dumpDispatchStateLocked(dump);
+
+ if (!mLastANRState.isEmpty()) {
+ dump.append("\nInput Dispatcher State at time of last ANR:\n");
+ dump.append(mLastANRState);
+ }
+}
+
+void InputDispatcher::monitor() {
+ // Acquire and release the lock to ensure that the dispatcher has not deadlocked.
+ mLock.lock();
+ mLooper->wake();
+ mDispatcherIsAliveCondition.wait(mLock);
+ mLock.unlock();
+}
+
+
+// --- InputDispatcher::Queue ---
+
+template <typename T>
+uint32_t InputDispatcher::Queue<T>::count() const {
+ uint32_t result = 0;
+ for (const T* entry = head; entry; entry = entry->next) {
+ result += 1;
+ }
+ return result;
+}
+
+
+// --- InputDispatcher::InjectionState ---
+
+InputDispatcher::InjectionState::InjectionState(int32_t injectorPid, int32_t injectorUid) :
+ refCount(1),
+ injectorPid(injectorPid), injectorUid(injectorUid),
+ injectionResult(INPUT_EVENT_INJECTION_PENDING), injectionIsAsync(false),
+ pendingForegroundDispatches(0) {
+}
+
+InputDispatcher::InjectionState::~InjectionState() {
+}
+
+void InputDispatcher::InjectionState::release() {
+ refCount -= 1;
+ if (refCount == 0) {
+ delete this;
+ } else {
+ ALOG_ASSERT(refCount > 0);
+ }
+}
+
+
+// --- InputDispatcher::EventEntry ---
+
+InputDispatcher::EventEntry::EventEntry(int32_t type, nsecs_t eventTime, uint32_t policyFlags) :
+ refCount(1), type(type), eventTime(eventTime), policyFlags(policyFlags),
+ injectionState(NULL), dispatchInProgress(false) {
+}
+
+InputDispatcher::EventEntry::~EventEntry() {
+ releaseInjectionState();
+}
+
+void InputDispatcher::EventEntry::release() {
+ refCount -= 1;
+ if (refCount == 0) {
+ delete this;
+ } else {
+ ALOG_ASSERT(refCount > 0);
+ }
+}
+
+void InputDispatcher::EventEntry::releaseInjectionState() {
+ if (injectionState) {
+ injectionState->release();
+ injectionState = NULL;
+ }
+}
+
+
+// --- InputDispatcher::ConfigurationChangedEntry ---
+
+InputDispatcher::ConfigurationChangedEntry::ConfigurationChangedEntry(nsecs_t eventTime) :
+ EventEntry(TYPE_CONFIGURATION_CHANGED, eventTime, 0) {
+}
+
+InputDispatcher::ConfigurationChangedEntry::~ConfigurationChangedEntry() {
+}
+
+void InputDispatcher::ConfigurationChangedEntry::appendDescription(String8& msg) const {
+ msg.append("ConfigurationChangedEvent(), policyFlags=0x%08x",
+ policyFlags);
+}
+
+
+// --- InputDispatcher::DeviceResetEntry ---
+
+InputDispatcher::DeviceResetEntry::DeviceResetEntry(nsecs_t eventTime, int32_t deviceId) :
+ EventEntry(TYPE_DEVICE_RESET, eventTime, 0),
+ deviceId(deviceId) {
+}
+
+InputDispatcher::DeviceResetEntry::~DeviceResetEntry() {
+}
+
+void InputDispatcher::DeviceResetEntry::appendDescription(String8& msg) const {
+ msg.appendFormat("DeviceResetEvent(deviceId=%d), policyFlags=0x%08x",
+ deviceId, policyFlags);
+}
+
+
+// --- InputDispatcher::KeyEntry ---
+
+InputDispatcher::KeyEntry::KeyEntry(nsecs_t eventTime,
+ int32_t deviceId, uint32_t source, uint32_t policyFlags, int32_t action,
+ int32_t flags, int32_t keyCode, int32_t scanCode, int32_t metaState,
+ int32_t repeatCount, nsecs_t downTime) :
+ EventEntry(TYPE_KEY, eventTime, policyFlags),
+ deviceId(deviceId), source(source), action(action), flags(flags),
+ keyCode(keyCode), scanCode(scanCode), metaState(metaState),
+ repeatCount(repeatCount), downTime(downTime),
+ syntheticRepeat(false), interceptKeyResult(KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN),
+ interceptKeyWakeupTime(0) {
+}
+
+InputDispatcher::KeyEntry::~KeyEntry() {
+}
+
+void InputDispatcher::KeyEntry::appendDescription(String8& msg) const {
+ msg.appendFormat("KeyEvent(deviceId=%d, source=0x%08x, action=%d, "
+ "flags=0x%08x, keyCode=%d, scanCode=%d, metaState=0x%08x, "
+ "repeatCount=%d), policyFlags=0x%08x",
+ deviceId, source, action, flags, keyCode, scanCode, metaState,
+ repeatCount, policyFlags);
+}
+
+void InputDispatcher::KeyEntry::recycle() {
+ releaseInjectionState();
+
+ dispatchInProgress = false;
+ syntheticRepeat = false;
+ interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN;
+ interceptKeyWakeupTime = 0;
+}
+
+
+// --- InputDispatcher::MotionEntry ---
+
+InputDispatcher::MotionEntry::MotionEntry(nsecs_t eventTime,
+ int32_t deviceId, uint32_t source, uint32_t policyFlags, int32_t action, int32_t flags,
+ int32_t metaState, int32_t buttonState,
+ int32_t edgeFlags, float xPrecision, float yPrecision,
+ nsecs_t downTime, int32_t displayId, uint32_t pointerCount,
+ const PointerProperties* pointerProperties, const PointerCoords* pointerCoords) :
+ EventEntry(TYPE_MOTION, eventTime, policyFlags),
+ eventTime(eventTime),
+ deviceId(deviceId), source(source), action(action), flags(flags),
+ metaState(metaState), buttonState(buttonState), edgeFlags(edgeFlags),
+ xPrecision(xPrecision), yPrecision(yPrecision),
+ downTime(downTime), displayId(displayId), pointerCount(pointerCount) {
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ this->pointerProperties[i].copyFrom(pointerProperties[i]);
+ this->pointerCoords[i].copyFrom(pointerCoords[i]);
+ }
+}
+
+InputDispatcher::MotionEntry::~MotionEntry() {
+}
+
+void InputDispatcher::MotionEntry::appendDescription(String8& msg) const {
+ msg.appendFormat("MotionEvent(deviceId=%d, source=0x%08x, action=%d, "
+ "flags=0x%08x, metaState=0x%08x, buttonState=0x%08x, edgeFlags=0x%08x, "
+ "xPrecision=%.1f, yPrecision=%.1f, displayId=%d, pointers=[",
+ deviceId, source, action, flags, metaState, buttonState, edgeFlags,
+ xPrecision, yPrecision, displayId);
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ if (i) {
+ msg.append(", ");
+ }
+ msg.appendFormat("%d: (%.1f, %.1f)", pointerProperties[i].id,
+ pointerCoords[i].getX(), pointerCoords[i].getY());
+ }
+ msg.appendFormat("]), policyFlags=0x%08x", policyFlags);
+}
+
+
+// --- InputDispatcher::DispatchEntry ---
+
+volatile int32_t InputDispatcher::DispatchEntry::sNextSeqAtomic;
+
+InputDispatcher::DispatchEntry::DispatchEntry(EventEntry* eventEntry,
+ int32_t targetFlags, float xOffset, float yOffset, float scaleFactor) :
+ seq(nextSeq()),
+ eventEntry(eventEntry), targetFlags(targetFlags),
+ xOffset(xOffset), yOffset(yOffset), scaleFactor(scaleFactor),
+ deliveryTime(0), resolvedAction(0), resolvedFlags(0) {
+ eventEntry->refCount += 1;
+}
+
+InputDispatcher::DispatchEntry::~DispatchEntry() {
+ eventEntry->release();
+}
+
+uint32_t InputDispatcher::DispatchEntry::nextSeq() {
+ // Sequence number 0 is reserved and will never be returned.
+ uint32_t seq;
+ do {
+ seq = android_atomic_inc(&sNextSeqAtomic);
+ } while (!seq);
+ return seq;
+}
+
+
+// --- InputDispatcher::InputState ---
+
+InputDispatcher::InputState::InputState() {
+}
+
+InputDispatcher::InputState::~InputState() {
+}
+
+bool InputDispatcher::InputState::isNeutral() const {
+ return mKeyMementos.isEmpty() && mMotionMementos.isEmpty();
+}
+
+bool InputDispatcher::InputState::isHovering(int32_t deviceId, uint32_t source,
+ int32_t displayId) const {
+ for (size_t i = 0; i < mMotionMementos.size(); i++) {
+ const MotionMemento& memento = mMotionMementos.itemAt(i);
+ if (memento.deviceId == deviceId
+ && memento.source == source
+ && memento.displayId == displayId
+ && memento.hovering) {
+ return true;
+ }
+ }
+ return false;
+}
+
+bool InputDispatcher::InputState::trackKey(const KeyEntry* entry,
+ int32_t action, int32_t flags) {
+ switch (action) {
+ case AKEY_EVENT_ACTION_UP: {
+ if (entry->flags & AKEY_EVENT_FLAG_FALLBACK) {
+ for (size_t i = 0; i < mFallbackKeys.size(); ) {
+ if (mFallbackKeys.valueAt(i) == entry->keyCode) {
+ mFallbackKeys.removeItemsAt(i);
+ } else {
+ i += 1;
+ }
+ }
+ }
+ ssize_t index = findKeyMemento(entry);
+ if (index >= 0) {
+ mKeyMementos.removeAt(index);
+ return true;
+ }
+ /* FIXME: We can't just drop the key up event because that prevents creating
+ * popup windows that are automatically shown when a key is held and then
+ * dismissed when the key is released. The problem is that the popup will
+ * not have received the original key down, so the key up will be considered
+ * to be inconsistent with its observed state. We could perhaps handle this
+ * by synthesizing a key down but that will cause other problems.
+ *
+ * So for now, allow inconsistent key up events to be dispatched.
+ *
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("Dropping inconsistent key up event: deviceId=%d, source=%08x, "
+ "keyCode=%d, scanCode=%d",
+ entry->deviceId, entry->source, entry->keyCode, entry->scanCode);
+#endif
+ return false;
+ */
+ return true;
+ }
+
+ case AKEY_EVENT_ACTION_DOWN: {
+ ssize_t index = findKeyMemento(entry);
+ if (index >= 0) {
+ mKeyMementos.removeAt(index);
+ }
+ addKeyMemento(entry, flags);
+ return true;
+ }
+
+ default:
+ return true;
+ }
+}
+
+bool InputDispatcher::InputState::trackMotion(const MotionEntry* entry,
+ int32_t action, int32_t flags) {
+ int32_t actionMasked = action & AMOTION_EVENT_ACTION_MASK;
+ switch (actionMasked) {
+ case AMOTION_EVENT_ACTION_UP:
+ case AMOTION_EVENT_ACTION_CANCEL: {
+ ssize_t index = findMotionMemento(entry, false /*hovering*/);
+ if (index >= 0) {
+ mMotionMementos.removeAt(index);
+ return true;
+ }
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("Dropping inconsistent motion up or cancel event: deviceId=%d, source=%08x, "
+ "actionMasked=%d",
+ entry->deviceId, entry->source, actionMasked);
+#endif
+ return false;
+ }
+
+ case AMOTION_EVENT_ACTION_DOWN: {
+ ssize_t index = findMotionMemento(entry, false /*hovering*/);
+ if (index >= 0) {
+ mMotionMementos.removeAt(index);
+ }
+ addMotionMemento(entry, flags, false /*hovering*/);
+ return true;
+ }
+
+ case AMOTION_EVENT_ACTION_POINTER_UP:
+ case AMOTION_EVENT_ACTION_POINTER_DOWN:
+ case AMOTION_EVENT_ACTION_MOVE: {
+ ssize_t index = findMotionMemento(entry, false /*hovering*/);
+ if (index >= 0) {
+ MotionMemento& memento = mMotionMementos.editItemAt(index);
+ memento.setPointers(entry);
+ return true;
+ }
+ if (actionMasked == AMOTION_EVENT_ACTION_MOVE
+ && (entry->source & (AINPUT_SOURCE_CLASS_JOYSTICK
+ | AINPUT_SOURCE_CLASS_NAVIGATION))) {
+ // Joysticks and trackballs can send MOVE events without corresponding DOWN or UP.
+ return true;
+ }
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("Dropping inconsistent motion pointer up/down or move event: "
+ "deviceId=%d, source=%08x, actionMasked=%d",
+ entry->deviceId, entry->source, actionMasked);
+#endif
+ return false;
+ }
+
+ case AMOTION_EVENT_ACTION_HOVER_EXIT: {
+ ssize_t index = findMotionMemento(entry, true /*hovering*/);
+ if (index >= 0) {
+ mMotionMementos.removeAt(index);
+ return true;
+ }
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("Dropping inconsistent motion hover exit event: deviceId=%d, source=%08x",
+ entry->deviceId, entry->source);
+#endif
+ return false;
+ }
+
+ case AMOTION_EVENT_ACTION_HOVER_ENTER:
+ case AMOTION_EVENT_ACTION_HOVER_MOVE: {
+ ssize_t index = findMotionMemento(entry, true /*hovering*/);
+ if (index >= 0) {
+ mMotionMementos.removeAt(index);
+ }
+ addMotionMemento(entry, flags, true /*hovering*/);
+ return true;
+ }
+
+ default:
+ return true;
+ }
+}
+
+ssize_t InputDispatcher::InputState::findKeyMemento(const KeyEntry* entry) const {
+ for (size_t i = 0; i < mKeyMementos.size(); i++) {
+ const KeyMemento& memento = mKeyMementos.itemAt(i);
+ if (memento.deviceId == entry->deviceId
+ && memento.source == entry->source
+ && memento.keyCode == entry->keyCode
+ && memento.scanCode == entry->scanCode) {
+ return i;
+ }
+ }
+ return -1;
+}
+
+ssize_t InputDispatcher::InputState::findMotionMemento(const MotionEntry* entry,
+ bool hovering) const {
+ for (size_t i = 0; i < mMotionMementos.size(); i++) {
+ const MotionMemento& memento = mMotionMementos.itemAt(i);
+ if (memento.deviceId == entry->deviceId
+ && memento.source == entry->source
+ && memento.displayId == entry->displayId
+ && memento.hovering == hovering) {
+ return i;
+ }
+ }
+ return -1;
+}
+
+void InputDispatcher::InputState::addKeyMemento(const KeyEntry* entry, int32_t flags) {
+ mKeyMementos.push();
+ KeyMemento& memento = mKeyMementos.editTop();
+ memento.deviceId = entry->deviceId;
+ memento.source = entry->source;
+ memento.keyCode = entry->keyCode;
+ memento.scanCode = entry->scanCode;
+ memento.metaState = entry->metaState;
+ memento.flags = flags;
+ memento.downTime = entry->downTime;
+ memento.policyFlags = entry->policyFlags;
+}
+
+void InputDispatcher::InputState::addMotionMemento(const MotionEntry* entry,
+ int32_t flags, bool hovering) {
+ mMotionMementos.push();
+ MotionMemento& memento = mMotionMementos.editTop();
+ memento.deviceId = entry->deviceId;
+ memento.source = entry->source;
+ memento.flags = flags;
+ memento.xPrecision = entry->xPrecision;
+ memento.yPrecision = entry->yPrecision;
+ memento.downTime = entry->downTime;
+ memento.displayId = entry->displayId;
+ memento.setPointers(entry);
+ memento.hovering = hovering;
+ memento.policyFlags = entry->policyFlags;
+}
+
+void InputDispatcher::InputState::MotionMemento::setPointers(const MotionEntry* entry) {
+ pointerCount = entry->pointerCount;
+ for (uint32_t i = 0; i < entry->pointerCount; i++) {
+ pointerProperties[i].copyFrom(entry->pointerProperties[i]);
+ pointerCoords[i].copyFrom(entry->pointerCoords[i]);
+ }
+}
+
+void InputDispatcher::InputState::synthesizeCancelationEvents(nsecs_t currentTime,
+ Vector<EventEntry*>& outEvents, const CancelationOptions& options) {
+ for (size_t i = 0; i < mKeyMementos.size(); i++) {
+ const KeyMemento& memento = mKeyMementos.itemAt(i);
+ if (shouldCancelKey(memento, options)) {
+ outEvents.push(new KeyEntry(currentTime,
+ memento.deviceId, memento.source, memento.policyFlags,
+ AKEY_EVENT_ACTION_UP, memento.flags | AKEY_EVENT_FLAG_CANCELED,
+ memento.keyCode, memento.scanCode, memento.metaState, 0, memento.downTime));
+ }
+ }
+
+ for (size_t i = 0; i < mMotionMementos.size(); i++) {
+ const MotionMemento& memento = mMotionMementos.itemAt(i);
+ if (shouldCancelMotion(memento, options)) {
+ outEvents.push(new MotionEntry(currentTime,
+ memento.deviceId, memento.source, memento.policyFlags,
+ memento.hovering
+ ? AMOTION_EVENT_ACTION_HOVER_EXIT
+ : AMOTION_EVENT_ACTION_CANCEL,
+ memento.flags, 0, 0, 0,
+ memento.xPrecision, memento.yPrecision, memento.downTime,
+ memento.displayId,
+ memento.pointerCount, memento.pointerProperties, memento.pointerCoords));
+ }
+ }
+}
+
+void InputDispatcher::InputState::clear() {
+ mKeyMementos.clear();
+ mMotionMementos.clear();
+ mFallbackKeys.clear();
+}
+
+void InputDispatcher::InputState::copyPointerStateTo(InputState& other) const {
+ for (size_t i = 0; i < mMotionMementos.size(); i++) {
+ const MotionMemento& memento = mMotionMementos.itemAt(i);
+ if (memento.source & AINPUT_SOURCE_CLASS_POINTER) {
+ for (size_t j = 0; j < other.mMotionMementos.size(); ) {
+ const MotionMemento& otherMemento = other.mMotionMementos.itemAt(j);
+ if (memento.deviceId == otherMemento.deviceId
+ && memento.source == otherMemento.source
+ && memento.displayId == otherMemento.displayId) {
+ other.mMotionMementos.removeAt(j);
+ } else {
+ j += 1;
+ }
+ }
+ other.mMotionMementos.push(memento);
+ }
+ }
+}
+
+int32_t InputDispatcher::InputState::getFallbackKey(int32_t originalKeyCode) {
+ ssize_t index = mFallbackKeys.indexOfKey(originalKeyCode);
+ return index >= 0 ? mFallbackKeys.valueAt(index) : -1;
+}
+
+void InputDispatcher::InputState::setFallbackKey(int32_t originalKeyCode,
+ int32_t fallbackKeyCode) {
+ ssize_t index = mFallbackKeys.indexOfKey(originalKeyCode);
+ if (index >= 0) {
+ mFallbackKeys.replaceValueAt(index, fallbackKeyCode);
+ } else {
+ mFallbackKeys.add(originalKeyCode, fallbackKeyCode);
+ }
+}
+
+void InputDispatcher::InputState::removeFallbackKey(int32_t originalKeyCode) {
+ mFallbackKeys.removeItem(originalKeyCode);
+}
+
+bool InputDispatcher::InputState::shouldCancelKey(const KeyMemento& memento,
+ const CancelationOptions& options) {
+ if (options.keyCode != -1 && memento.keyCode != options.keyCode) {
+ return false;
+ }
+
+ if (options.deviceId != -1 && memento.deviceId != options.deviceId) {
+ return false;
+ }
+
+ switch (options.mode) {
+ case CancelationOptions::CANCEL_ALL_EVENTS:
+ case CancelationOptions::CANCEL_NON_POINTER_EVENTS:
+ return true;
+ case CancelationOptions::CANCEL_FALLBACK_EVENTS:
+ return memento.flags & AKEY_EVENT_FLAG_FALLBACK;
+ default:
+ return false;
+ }
+}
+
+bool InputDispatcher::InputState::shouldCancelMotion(const MotionMemento& memento,
+ const CancelationOptions& options) {
+ if (options.deviceId != -1 && memento.deviceId != options.deviceId) {
+ return false;
+ }
+
+ switch (options.mode) {
+ case CancelationOptions::CANCEL_ALL_EVENTS:
+ return true;
+ case CancelationOptions::CANCEL_POINTER_EVENTS:
+ return memento.source & AINPUT_SOURCE_CLASS_POINTER;
+ case CancelationOptions::CANCEL_NON_POINTER_EVENTS:
+ return !(memento.source & AINPUT_SOURCE_CLASS_POINTER);
+ default:
+ return false;
+ }
+}
+
+
+// --- InputDispatcher::Connection ---
+
+InputDispatcher::Connection::Connection(const sp<InputChannel>& inputChannel,
+ const sp<InputWindowHandle>& inputWindowHandle, bool monitor) :
+ status(STATUS_NORMAL), inputChannel(inputChannel), inputWindowHandle(inputWindowHandle),
+ monitor(monitor),
+ inputPublisher(inputChannel), inputPublisherBlocked(false) {
+}
+
+InputDispatcher::Connection::~Connection() {
+}
+
+const char* InputDispatcher::Connection::getWindowName() const {
+ if (inputWindowHandle != NULL) {
+ return inputWindowHandle->getName().string();
+ }
+ if (monitor) {
+ return "monitor";
+ }
+ return "?";
+}
+
+const char* InputDispatcher::Connection::getStatusLabel() const {
+ switch (status) {
+ case STATUS_NORMAL:
+ return "NORMAL";
+
+ case STATUS_BROKEN:
+ return "BROKEN";
+
+ case STATUS_ZOMBIE:
+ return "ZOMBIE";
+
+ default:
+ return "UNKNOWN";
+ }
+}
+
+InputDispatcher::DispatchEntry* InputDispatcher::Connection::findWaitQueueEntry(uint32_t seq) {
+ for (DispatchEntry* entry = waitQueue.head; entry != NULL; entry = entry->next) {
+ if (entry->seq == seq) {
+ return entry;
+ }
+ }
+ return NULL;
+}
+
+
+// --- InputDispatcher::CommandEntry ---
+
+InputDispatcher::CommandEntry::CommandEntry(Command command) :
+ command(command), eventTime(0), keyEntry(NULL), userActivityEventType(0),
+ seq(0), handled(false) {
+}
+
+InputDispatcher::CommandEntry::~CommandEntry() {
+}
+
+
+// --- InputDispatcher::TouchState ---
+
+InputDispatcher::TouchState::TouchState() :
+ down(false), split(false), deviceId(-1), source(0), displayId(-1) {
+}
+
+InputDispatcher::TouchState::~TouchState() {
+}
+
+void InputDispatcher::TouchState::reset() {
+ down = false;
+ split = false;
+ deviceId = -1;
+ source = 0;
+ displayId = -1;
+ windows.clear();
+}
+
+void InputDispatcher::TouchState::copyFrom(const TouchState& other) {
+ down = other.down;
+ split = other.split;
+ deviceId = other.deviceId;
+ source = other.source;
+ displayId = other.displayId;
+ windows = other.windows;
+}
+
+void InputDispatcher::TouchState::addOrUpdateWindow(const sp<InputWindowHandle>& windowHandle,
+ int32_t targetFlags, BitSet32 pointerIds) {
+ if (targetFlags & InputTarget::FLAG_SPLIT) {
+ split = true;
+ }
+
+ for (size_t i = 0; i < windows.size(); i++) {
+ TouchedWindow& touchedWindow = windows.editItemAt(i);
+ if (touchedWindow.windowHandle == windowHandle) {
+ touchedWindow.targetFlags |= targetFlags;
+ if (targetFlags & InputTarget::FLAG_DISPATCH_AS_SLIPPERY_EXIT) {
+ touchedWindow.targetFlags &= ~InputTarget::FLAG_DISPATCH_AS_IS;
+ }
+ touchedWindow.pointerIds.value |= pointerIds.value;
+ return;
+ }
+ }
+
+ windows.push();
+
+ TouchedWindow& touchedWindow = windows.editTop();
+ touchedWindow.windowHandle = windowHandle;
+ touchedWindow.targetFlags = targetFlags;
+ touchedWindow.pointerIds = pointerIds;
+}
+
+void InputDispatcher::TouchState::removeWindow(const sp<InputWindowHandle>& windowHandle) {
+ for (size_t i = 0; i < windows.size(); i++) {
+ if (windows.itemAt(i).windowHandle == windowHandle) {
+ windows.removeAt(i);
+ return;
+ }
+ }
+}
+
+void InputDispatcher::TouchState::filterNonAsIsTouchWindows() {
+ for (size_t i = 0 ; i < windows.size(); ) {
+ TouchedWindow& window = windows.editItemAt(i);
+ if (window.targetFlags & (InputTarget::FLAG_DISPATCH_AS_IS
+ | InputTarget::FLAG_DISPATCH_AS_SLIPPERY_ENTER)) {
+ window.targetFlags &= ~InputTarget::FLAG_DISPATCH_MASK;
+ window.targetFlags |= InputTarget::FLAG_DISPATCH_AS_IS;
+ i += 1;
+ } else {
+ windows.removeAt(i);
+ }
+ }
+}
+
+sp<InputWindowHandle> InputDispatcher::TouchState::getFirstForegroundWindowHandle() const {
+ for (size_t i = 0; i < windows.size(); i++) {
+ const TouchedWindow& window = windows.itemAt(i);
+ if (window.targetFlags & InputTarget::FLAG_FOREGROUND) {
+ return window.windowHandle;
+ }
+ }
+ return NULL;
+}
+
+bool InputDispatcher::TouchState::isSlippery() const {
+ // Must have exactly one foreground window.
+ bool haveSlipperyForegroundWindow = false;
+ for (size_t i = 0; i < windows.size(); i++) {
+ const TouchedWindow& window = windows.itemAt(i);
+ if (window.targetFlags & InputTarget::FLAG_FOREGROUND) {
+ if (haveSlipperyForegroundWindow
+ || !(window.windowHandle->getInfo()->layoutParamsFlags
+ & InputWindowInfo::FLAG_SLIPPERY)) {
+ return false;
+ }
+ haveSlipperyForegroundWindow = true;
+ }
+ }
+ return haveSlipperyForegroundWindow;
+}
+
+
+// --- InputDispatcherThread ---
+
+InputDispatcherThread::InputDispatcherThread(const sp<InputDispatcherInterface>& dispatcher) :
+ Thread(/*canCallJava*/ true), mDispatcher(dispatcher) {
+}
+
+InputDispatcherThread::~InputDispatcherThread() {
+}
+
+bool InputDispatcherThread::threadLoop() {
+ mDispatcher->dispatchOnce();
+ return true;
+}
+
+} // namespace android
diff --git a/libs/input/InputDispatcher.h b/libs/input/InputDispatcher.h
new file mode 100644
index 0000000..190e7b2
--- /dev/null
+++ b/libs/input/InputDispatcher.h
@@ -0,0 +1,1123 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_DISPATCHER_H
+#define _UI_INPUT_DISPATCHER_H
+
+#include <input/Input.h>
+#include <input/InputTransport.h>
+#include <utils/KeyedVector.h>
+#include <utils/Vector.h>
+#include <utils/threads.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+#include <utils/Looper.h>
+#include <utils/BitSet.h>
+#include <cutils/atomic.h>
+
+#include <stddef.h>
+#include <unistd.h>
+#include <limits.h>
+
+#include "InputWindow.h"
+#include "InputApplication.h"
+#include "InputListener.h"
+
+
+namespace android {
+
+/*
+ * Constants used to report the outcome of input event injection.
+ */
+enum {
+ /* (INTERNAL USE ONLY) Specifies that injection is pending and its outcome is unknown. */
+ INPUT_EVENT_INJECTION_PENDING = -1,
+
+ /* Injection succeeded. */
+ INPUT_EVENT_INJECTION_SUCCEEDED = 0,
+
+ /* Injection failed because the injector did not have permission to inject
+ * into the application with input focus. */
+ INPUT_EVENT_INJECTION_PERMISSION_DENIED = 1,
+
+ /* Injection failed because there were no available input targets. */
+ INPUT_EVENT_INJECTION_FAILED = 2,
+
+ /* Injection failed due to a timeout. */
+ INPUT_EVENT_INJECTION_TIMED_OUT = 3
+};
+
+/*
+ * Constants used to determine the input event injection synchronization mode.
+ */
+enum {
+ /* Injection is asynchronous and is assumed always to be successful. */
+ INPUT_EVENT_INJECTION_SYNC_NONE = 0,
+
+ /* Waits for previous events to be dispatched so that the input dispatcher can determine
+ * whether input event injection willbe permitted based on the current input focus.
+ * Does not wait for the input event to finish processing. */
+ INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_RESULT = 1,
+
+ /* Waits for the input event to be completely processed. */
+ INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_FINISHED = 2,
+};
+
+
+/*
+ * An input target specifies how an input event is to be dispatched to a particular window
+ * including the window's input channel, control flags, a timeout, and an X / Y offset to
+ * be added to input event coordinates to compensate for the absolute position of the
+ * window area.
+ */
+struct InputTarget {
+ enum {
+ /* This flag indicates that the event is being delivered to a foreground application. */
+ FLAG_FOREGROUND = 1 << 0,
+
+ /* This flag indicates that the target of a MotionEvent is partly or wholly
+ * obscured by another visible window above it. The motion event should be
+ * delivered with flag AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED. */
+ FLAG_WINDOW_IS_OBSCURED = 1 << 1,
+
+ /* This flag indicates that a motion event is being split across multiple windows. */
+ FLAG_SPLIT = 1 << 2,
+
+ /* This flag indicates that the pointer coordinates dispatched to the application
+ * will be zeroed out to avoid revealing information to an application. This is
+ * used in conjunction with FLAG_DISPATCH_AS_OUTSIDE to prevent apps not sharing
+ * the same UID from watching all touches. */
+ FLAG_ZERO_COORDS = 1 << 3,
+
+ /* This flag indicates that the event should be sent as is.
+ * Should always be set unless the event is to be transmuted. */
+ FLAG_DISPATCH_AS_IS = 1 << 8,
+
+ /* This flag indicates that a MotionEvent with AMOTION_EVENT_ACTION_DOWN falls outside
+ * of the area of this target and so should instead be delivered as an
+ * AMOTION_EVENT_ACTION_OUTSIDE to this target. */
+ FLAG_DISPATCH_AS_OUTSIDE = 1 << 9,
+
+ /* This flag indicates that a hover sequence is starting in the given window.
+ * The event is transmuted into ACTION_HOVER_ENTER. */
+ FLAG_DISPATCH_AS_HOVER_ENTER = 1 << 10,
+
+ /* This flag indicates that a hover event happened outside of a window which handled
+ * previous hover events, signifying the end of the current hover sequence for that
+ * window.
+ * The event is transmuted into ACTION_HOVER_ENTER. */
+ FLAG_DISPATCH_AS_HOVER_EXIT = 1 << 11,
+
+ /* This flag indicates that the event should be canceled.
+ * It is used to transmute ACTION_MOVE into ACTION_CANCEL when a touch slips
+ * outside of a window. */
+ FLAG_DISPATCH_AS_SLIPPERY_EXIT = 1 << 12,
+
+ /* This flag indicates that the event should be dispatched as an initial down.
+ * It is used to transmute ACTION_MOVE into ACTION_DOWN when a touch slips
+ * into a new window. */
+ FLAG_DISPATCH_AS_SLIPPERY_ENTER = 1 << 13,
+
+ /* Mask for all dispatch modes. */
+ FLAG_DISPATCH_MASK = FLAG_DISPATCH_AS_IS
+ | FLAG_DISPATCH_AS_OUTSIDE
+ | FLAG_DISPATCH_AS_HOVER_ENTER
+ | FLAG_DISPATCH_AS_HOVER_EXIT
+ | FLAG_DISPATCH_AS_SLIPPERY_EXIT
+ | FLAG_DISPATCH_AS_SLIPPERY_ENTER,
+ };
+
+ // The input channel to be targeted.
+ sp<InputChannel> inputChannel;
+
+ // Flags for the input target.
+ int32_t flags;
+
+ // The x and y offset to add to a MotionEvent as it is delivered.
+ // (ignored for KeyEvents)
+ float xOffset, yOffset;
+
+ // Scaling factor to apply to MotionEvent as it is delivered.
+ // (ignored for KeyEvents)
+ float scaleFactor;
+
+ // The subset of pointer ids to include in motion events dispatched to this input target
+ // if FLAG_SPLIT is set.
+ BitSet32 pointerIds;
+};
+
+
+/*
+ * Input dispatcher configuration.
+ *
+ * Specifies various options that modify the behavior of the input dispatcher.
+ * The values provided here are merely defaults. The actual values will come from ViewConfiguration
+ * and are passed into the dispatcher during initialization.
+ */
+struct InputDispatcherConfiguration {
+ // The key repeat initial timeout.
+ nsecs_t keyRepeatTimeout;
+
+ // The key repeat inter-key delay.
+ nsecs_t keyRepeatDelay;
+
+ InputDispatcherConfiguration() :
+ keyRepeatTimeout(500 * 1000000LL),
+ keyRepeatDelay(50 * 1000000LL) { }
+};
+
+
+/*
+ * Input dispatcher policy interface.
+ *
+ * The input reader policy is used by the input reader to interact with the Window Manager
+ * and other system components.
+ *
+ * The actual implementation is partially supported by callbacks into the DVM
+ * via JNI. This interface is also mocked in the unit tests.
+ */
+class InputDispatcherPolicyInterface : public virtual RefBase {
+protected:
+ InputDispatcherPolicyInterface() { }
+ virtual ~InputDispatcherPolicyInterface() { }
+
+public:
+ /* Notifies the system that a configuration change has occurred. */
+ virtual void notifyConfigurationChanged(nsecs_t when) = 0;
+
+ /* Notifies the system that an application is not responding.
+ * Returns a new timeout to continue waiting, or 0 to abort dispatch. */
+ virtual nsecs_t notifyANR(const sp<InputApplicationHandle>& inputApplicationHandle,
+ const sp<InputWindowHandle>& inputWindowHandle,
+ const String8& reason) = 0;
+
+ /* Notifies the system that an input channel is unrecoverably broken. */
+ virtual void notifyInputChannelBroken(const sp<InputWindowHandle>& inputWindowHandle) = 0;
+
+ /* Gets the input dispatcher configuration. */
+ virtual void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) = 0;
+
+ /* Returns true if automatic key repeating is enabled. */
+ virtual bool isKeyRepeatEnabled() = 0;
+
+ /* Filters an input event.
+ * Return true to dispatch the event unmodified, false to consume the event.
+ * A filter can also transform and inject events later by passing POLICY_FLAG_FILTERED
+ * to injectInputEvent.
+ */
+ virtual bool filterInputEvent(const InputEvent* inputEvent, uint32_t policyFlags) = 0;
+
+ /* Intercepts a key event immediately before queueing it.
+ * The policy can use this method as an opportunity to perform power management functions
+ * and early event preprocessing such as updating policy flags.
+ *
+ * This method is expected to set the POLICY_FLAG_PASS_TO_USER policy flag if the event
+ * should be dispatched to applications.
+ */
+ virtual void interceptKeyBeforeQueueing(const KeyEvent* keyEvent, uint32_t& policyFlags) = 0;
+
+ /* Intercepts a touch, trackball or other motion event before queueing it.
+ * The policy can use this method as an opportunity to perform power management functions
+ * and early event preprocessing such as updating policy flags.
+ *
+ * This method is expected to set the POLICY_FLAG_PASS_TO_USER policy flag if the event
+ * should be dispatched to applications.
+ */
+ virtual void interceptMotionBeforeQueueing(nsecs_t when, uint32_t& policyFlags) = 0;
+
+ /* Allows the policy a chance to intercept a key before dispatching. */
+ virtual nsecs_t interceptKeyBeforeDispatching(const sp<InputWindowHandle>& inputWindowHandle,
+ const KeyEvent* keyEvent, uint32_t policyFlags) = 0;
+
+ /* Allows the policy a chance to perform default processing for an unhandled key.
+ * Returns an alternate keycode to redispatch as a fallback, or 0 to give up. */
+ virtual bool dispatchUnhandledKey(const sp<InputWindowHandle>& inputWindowHandle,
+ const KeyEvent* keyEvent, uint32_t policyFlags, KeyEvent* outFallbackKeyEvent) = 0;
+
+ /* Notifies the policy about switch events.
+ */
+ virtual void notifySwitch(nsecs_t when,
+ uint32_t switchValues, uint32_t switchMask, uint32_t policyFlags) = 0;
+
+ /* Poke user activity for an event dispatched to a window. */
+ virtual void pokeUserActivity(nsecs_t eventTime, int32_t eventType) = 0;
+
+ /* Checks whether a given application pid/uid has permission to inject input events
+ * into other applications.
+ *
+ * This method is special in that its implementation promises to be non-reentrant and
+ * is safe to call while holding other locks. (Most other methods make no such guarantees!)
+ */
+ virtual bool checkInjectEventsPermissionNonReentrant(
+ int32_t injectorPid, int32_t injectorUid) = 0;
+};
+
+
+/* Notifies the system about input events generated by the input reader.
+ * The dispatcher is expected to be mostly asynchronous. */
+class InputDispatcherInterface : public virtual RefBase, public InputListenerInterface {
+protected:
+ InputDispatcherInterface() { }
+ virtual ~InputDispatcherInterface() { }
+
+public:
+ /* Dumps the state of the input dispatcher.
+ *
+ * This method may be called on any thread (usually by the input manager). */
+ virtual void dump(String8& dump) = 0;
+
+ /* Called by the heatbeat to ensures that the dispatcher has not deadlocked. */
+ virtual void monitor() = 0;
+
+ /* Runs a single iteration of the dispatch loop.
+ * Nominally processes one queued event, a timeout, or a response from an input consumer.
+ *
+ * This method should only be called on the input dispatcher thread.
+ */
+ virtual void dispatchOnce() = 0;
+
+ /* Injects an input event and optionally waits for sync.
+ * The synchronization mode determines whether the method blocks while waiting for
+ * input injection to proceed.
+ * Returns one of the INPUT_EVENT_INJECTION_XXX constants.
+ *
+ * This method may be called on any thread (usually by the input manager).
+ */
+ virtual int32_t injectInputEvent(const InputEvent* event,
+ int32_t injectorPid, int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis,
+ uint32_t policyFlags) = 0;
+
+ /* Sets the list of input windows.
+ *
+ * This method may be called on any thread (usually by the input manager).
+ */
+ virtual void setInputWindows(const Vector<sp<InputWindowHandle> >& inputWindowHandles) = 0;
+
+ /* Sets the focused application.
+ *
+ * This method may be called on any thread (usually by the input manager).
+ */
+ virtual void setFocusedApplication(
+ const sp<InputApplicationHandle>& inputApplicationHandle) = 0;
+
+ /* Sets the input dispatching mode.
+ *
+ * This method may be called on any thread (usually by the input manager).
+ */
+ virtual void setInputDispatchMode(bool enabled, bool frozen) = 0;
+
+ /* Sets whether input event filtering is enabled.
+ * When enabled, incoming input events are sent to the policy's filterInputEvent
+ * method instead of being dispatched. The filter is expected to use
+ * injectInputEvent to inject the events it would like to have dispatched.
+ * It should include POLICY_FLAG_FILTERED in the policy flags during injection.
+ */
+ virtual void setInputFilterEnabled(bool enabled) = 0;
+
+ /* Transfers touch focus from the window associated with one channel to the
+ * window associated with the other channel.
+ *
+ * Returns true on success. False if the window did not actually have touch focus.
+ */
+ virtual bool transferTouchFocus(const sp<InputChannel>& fromChannel,
+ const sp<InputChannel>& toChannel) = 0;
+
+ /* Registers or unregister input channels that may be used as targets for input events.
+ * If monitor is true, the channel will receive a copy of all input events.
+ *
+ * These methods may be called on any thread (usually by the input manager).
+ */
+ virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel,
+ const sp<InputWindowHandle>& inputWindowHandle, bool monitor) = 0;
+ virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel) = 0;
+};
+
+/* Dispatches events to input targets. Some functions of the input dispatcher, such as
+ * identifying input targets, are controlled by a separate policy object.
+ *
+ * IMPORTANT INVARIANT:
+ * Because the policy can potentially block or cause re-entrance into the input dispatcher,
+ * the input dispatcher never calls into the policy while holding its internal locks.
+ * The implementation is also carefully designed to recover from scenarios such as an
+ * input channel becoming unregistered while identifying input targets or processing timeouts.
+ *
+ * Methods marked 'Locked' must be called with the lock acquired.
+ *
+ * Methods marked 'LockedInterruptible' must be called with the lock acquired but
+ * may during the course of their execution release the lock, call into the policy, and
+ * then reacquire the lock. The caller is responsible for recovering gracefully.
+ *
+ * A 'LockedInterruptible' method may called a 'Locked' method, but NOT vice-versa.
+ */
+class InputDispatcher : public InputDispatcherInterface {
+protected:
+ virtual ~InputDispatcher();
+
+public:
+ explicit InputDispatcher(const sp<InputDispatcherPolicyInterface>& policy);
+
+ virtual void dump(String8& dump);
+ virtual void monitor();
+
+ virtual void dispatchOnce();
+
+ virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args);
+ virtual void notifyKey(const NotifyKeyArgs* args);
+ virtual void notifyMotion(const NotifyMotionArgs* args);
+ virtual void notifySwitch(const NotifySwitchArgs* args);
+ virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args);
+
+ virtual int32_t injectInputEvent(const InputEvent* event,
+ int32_t injectorPid, int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis,
+ uint32_t policyFlags);
+
+ virtual void setInputWindows(const Vector<sp<InputWindowHandle> >& inputWindowHandles);
+ virtual void setFocusedApplication(const sp<InputApplicationHandle>& inputApplicationHandle);
+ virtual void setInputDispatchMode(bool enabled, bool frozen);
+ virtual void setInputFilterEnabled(bool enabled);
+
+ virtual bool transferTouchFocus(const sp<InputChannel>& fromChannel,
+ const sp<InputChannel>& toChannel);
+
+ virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel,
+ const sp<InputWindowHandle>& inputWindowHandle, bool monitor);
+ virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel);
+
+private:
+ template <typename T>
+ struct Link {
+ T* next;
+ T* prev;
+
+ protected:
+ inline Link() : next(NULL), prev(NULL) { }
+ };
+
+ struct InjectionState {
+ mutable int32_t refCount;
+
+ int32_t injectorPid;
+ int32_t injectorUid;
+ int32_t injectionResult; // initially INPUT_EVENT_INJECTION_PENDING
+ bool injectionIsAsync; // set to true if injection is not waiting for the result
+ int32_t pendingForegroundDispatches; // the number of foreground dispatches in progress
+
+ InjectionState(int32_t injectorPid, int32_t injectorUid);
+ void release();
+
+ private:
+ ~InjectionState();
+ };
+
+ struct EventEntry : Link<EventEntry> {
+ enum {
+ TYPE_CONFIGURATION_CHANGED,
+ TYPE_DEVICE_RESET,
+ TYPE_KEY,
+ TYPE_MOTION
+ };
+
+ mutable int32_t refCount;
+ int32_t type;
+ nsecs_t eventTime;
+ uint32_t policyFlags;
+ InjectionState* injectionState;
+
+ bool dispatchInProgress; // initially false, set to true while dispatching
+
+ inline bool isInjected() const { return injectionState != NULL; }
+
+ void release();
+
+ virtual void appendDescription(String8& msg) const = 0;
+
+ protected:
+ EventEntry(int32_t type, nsecs_t eventTime, uint32_t policyFlags);
+ virtual ~EventEntry();
+ void releaseInjectionState();
+ };
+
+ struct ConfigurationChangedEntry : EventEntry {
+ ConfigurationChangedEntry(nsecs_t eventTime);
+ virtual void appendDescription(String8& msg) const;
+
+ protected:
+ virtual ~ConfigurationChangedEntry();
+ };
+
+ struct DeviceResetEntry : EventEntry {
+ int32_t deviceId;
+
+ DeviceResetEntry(nsecs_t eventTime, int32_t deviceId);
+ virtual void appendDescription(String8& msg) const;
+
+ protected:
+ virtual ~DeviceResetEntry();
+ };
+
+ struct KeyEntry : EventEntry {
+ int32_t deviceId;
+ uint32_t source;
+ int32_t action;
+ int32_t flags;
+ int32_t keyCode;
+ int32_t scanCode;
+ int32_t metaState;
+ int32_t repeatCount;
+ nsecs_t downTime;
+
+ bool syntheticRepeat; // set to true for synthetic key repeats
+
+ enum InterceptKeyResult {
+ INTERCEPT_KEY_RESULT_UNKNOWN,
+ INTERCEPT_KEY_RESULT_SKIP,
+ INTERCEPT_KEY_RESULT_CONTINUE,
+ INTERCEPT_KEY_RESULT_TRY_AGAIN_LATER,
+ };
+ InterceptKeyResult interceptKeyResult; // set based on the interception result
+ nsecs_t interceptKeyWakeupTime; // used with INTERCEPT_KEY_RESULT_TRY_AGAIN_LATER
+
+ KeyEntry(nsecs_t eventTime,
+ int32_t deviceId, uint32_t source, uint32_t policyFlags, int32_t action,
+ int32_t flags, int32_t keyCode, int32_t scanCode, int32_t metaState,
+ int32_t repeatCount, nsecs_t downTime);
+ virtual void appendDescription(String8& msg) const;
+ void recycle();
+
+ protected:
+ virtual ~KeyEntry();
+ };
+
+ struct MotionEntry : EventEntry {
+ nsecs_t eventTime;
+ int32_t deviceId;
+ uint32_t source;
+ int32_t action;
+ int32_t flags;
+ int32_t metaState;
+ int32_t buttonState;
+ int32_t edgeFlags;
+ float xPrecision;
+ float yPrecision;
+ nsecs_t downTime;
+ int32_t displayId;
+ uint32_t pointerCount;
+ PointerProperties pointerProperties[MAX_POINTERS];
+ PointerCoords pointerCoords[MAX_POINTERS];
+
+ MotionEntry(nsecs_t eventTime,
+ int32_t deviceId, uint32_t source, uint32_t policyFlags,
+ int32_t action, int32_t flags,
+ int32_t metaState, int32_t buttonState, int32_t edgeFlags,
+ float xPrecision, float yPrecision,
+ nsecs_t downTime, int32_t displayId, uint32_t pointerCount,
+ const PointerProperties* pointerProperties, const PointerCoords* pointerCoords);
+ virtual void appendDescription(String8& msg) const;
+
+ protected:
+ virtual ~MotionEntry();
+ };
+
+ // Tracks the progress of dispatching a particular event to a particular connection.
+ struct DispatchEntry : Link<DispatchEntry> {
+ const uint32_t seq; // unique sequence number, never 0
+
+ EventEntry* eventEntry; // the event to dispatch
+ int32_t targetFlags;
+ float xOffset;
+ float yOffset;
+ float scaleFactor;
+ nsecs_t deliveryTime; // time when the event was actually delivered
+
+ // Set to the resolved action and flags when the event is enqueued.
+ int32_t resolvedAction;
+ int32_t resolvedFlags;
+
+ DispatchEntry(EventEntry* eventEntry,
+ int32_t targetFlags, float xOffset, float yOffset, float scaleFactor);
+ ~DispatchEntry();
+
+ inline bool hasForegroundTarget() const {
+ return targetFlags & InputTarget::FLAG_FOREGROUND;
+ }
+
+ inline bool isSplit() const {
+ return targetFlags & InputTarget::FLAG_SPLIT;
+ }
+
+ private:
+ static volatile int32_t sNextSeqAtomic;
+
+ static uint32_t nextSeq();
+ };
+
+ // A command entry captures state and behavior for an action to be performed in the
+ // dispatch loop after the initial processing has taken place. It is essentially
+ // a kind of continuation used to postpone sensitive policy interactions to a point
+ // in the dispatch loop where it is safe to release the lock (generally after finishing
+ // the critical parts of the dispatch cycle).
+ //
+ // The special thing about commands is that they can voluntarily release and reacquire
+ // the dispatcher lock at will. Initially when the command starts running, the
+ // dispatcher lock is held. However, if the command needs to call into the policy to
+ // do some work, it can release the lock, do the work, then reacquire the lock again
+ // before returning.
+ //
+ // This mechanism is a bit clunky but it helps to preserve the invariant that the dispatch
+ // never calls into the policy while holding its lock.
+ //
+ // Commands are implicitly 'LockedInterruptible'.
+ struct CommandEntry;
+ typedef void (InputDispatcher::*Command)(CommandEntry* commandEntry);
+
+ class Connection;
+ struct CommandEntry : Link<CommandEntry> {
+ CommandEntry(Command command);
+ ~CommandEntry();
+
+ Command command;
+
+ // parameters for the command (usage varies by command)
+ sp<Connection> connection;
+ nsecs_t eventTime;
+ KeyEntry* keyEntry;
+ sp<InputApplicationHandle> inputApplicationHandle;
+ sp<InputWindowHandle> inputWindowHandle;
+ String8 reason;
+ int32_t userActivityEventType;
+ uint32_t seq;
+ bool handled;
+ };
+
+ // Generic queue implementation.
+ template <typename T>
+ struct Queue {
+ T* head;
+ T* tail;
+
+ inline Queue() : head(NULL), tail(NULL) {
+ }
+
+ inline bool isEmpty() const {
+ return !head;
+ }
+
+ inline void enqueueAtTail(T* entry) {
+ entry->prev = tail;
+ if (tail) {
+ tail->next = entry;
+ } else {
+ head = entry;
+ }
+ entry->next = NULL;
+ tail = entry;
+ }
+
+ inline void enqueueAtHead(T* entry) {
+ entry->next = head;
+ if (head) {
+ head->prev = entry;
+ } else {
+ tail = entry;
+ }
+ entry->prev = NULL;
+ head = entry;
+ }
+
+ inline void dequeue(T* entry) {
+ if (entry->prev) {
+ entry->prev->next = entry->next;
+ } else {
+ head = entry->next;
+ }
+ if (entry->next) {
+ entry->next->prev = entry->prev;
+ } else {
+ tail = entry->prev;
+ }
+ }
+
+ inline T* dequeueAtHead() {
+ T* entry = head;
+ head = entry->next;
+ if (head) {
+ head->prev = NULL;
+ } else {
+ tail = NULL;
+ }
+ return entry;
+ }
+
+ uint32_t count() const;
+ };
+
+ /* Specifies which events are to be canceled and why. */
+ struct CancelationOptions {
+ enum Mode {
+ CANCEL_ALL_EVENTS = 0,
+ CANCEL_POINTER_EVENTS = 1,
+ CANCEL_NON_POINTER_EVENTS = 2,
+ CANCEL_FALLBACK_EVENTS = 3,
+ };
+
+ // The criterion to use to determine which events should be canceled.
+ Mode mode;
+
+ // Descriptive reason for the cancelation.
+ const char* reason;
+
+ // The specific keycode of the key event to cancel, or -1 to cancel any key event.
+ int32_t keyCode;
+
+ // The specific device id of events to cancel, or -1 to cancel events from any device.
+ int32_t deviceId;
+
+ CancelationOptions(Mode mode, const char* reason) :
+ mode(mode), reason(reason), keyCode(-1), deviceId(-1) { }
+ };
+
+ /* Tracks dispatched key and motion event state so that cancelation events can be
+ * synthesized when events are dropped. */
+ class InputState {
+ public:
+ InputState();
+ ~InputState();
+
+ // Returns true if there is no state to be canceled.
+ bool isNeutral() const;
+
+ // Returns true if the specified source is known to have received a hover enter
+ // motion event.
+ bool isHovering(int32_t deviceId, uint32_t source, int32_t displayId) const;
+
+ // Records tracking information for a key event that has just been published.
+ // Returns true if the event should be delivered, false if it is inconsistent
+ // and should be skipped.
+ bool trackKey(const KeyEntry* entry, int32_t action, int32_t flags);
+
+ // Records tracking information for a motion event that has just been published.
+ // Returns true if the event should be delivered, false if it is inconsistent
+ // and should be skipped.
+ bool trackMotion(const MotionEntry* entry, int32_t action, int32_t flags);
+
+ // Synthesizes cancelation events for the current state and resets the tracked state.
+ void synthesizeCancelationEvents(nsecs_t currentTime,
+ Vector<EventEntry*>& outEvents, const CancelationOptions& options);
+
+ // Clears the current state.
+ void clear();
+
+ // Copies pointer-related parts of the input state to another instance.
+ void copyPointerStateTo(InputState& other) const;
+
+ // Gets the fallback key associated with a keycode.
+ // Returns -1 if none.
+ // Returns AKEYCODE_UNKNOWN if we are only dispatching the unhandled key to the policy.
+ int32_t getFallbackKey(int32_t originalKeyCode);
+
+ // Sets the fallback key for a particular keycode.
+ void setFallbackKey(int32_t originalKeyCode, int32_t fallbackKeyCode);
+
+ // Removes the fallback key for a particular keycode.
+ void removeFallbackKey(int32_t originalKeyCode);
+
+ inline const KeyedVector<int32_t, int32_t>& getFallbackKeys() const {
+ return mFallbackKeys;
+ }
+
+ private:
+ struct KeyMemento {
+ int32_t deviceId;
+ uint32_t source;
+ int32_t keyCode;
+ int32_t scanCode;
+ int32_t metaState;
+ int32_t flags;
+ nsecs_t downTime;
+ uint32_t policyFlags;
+ };
+
+ struct MotionMemento {
+ int32_t deviceId;
+ uint32_t source;
+ int32_t flags;
+ float xPrecision;
+ float yPrecision;
+ nsecs_t downTime;
+ int32_t displayId;
+ uint32_t pointerCount;
+ PointerProperties pointerProperties[MAX_POINTERS];
+ PointerCoords pointerCoords[MAX_POINTERS];
+ bool hovering;
+ uint32_t policyFlags;
+
+ void setPointers(const MotionEntry* entry);
+ };
+
+ Vector<KeyMemento> mKeyMementos;
+ Vector<MotionMemento> mMotionMementos;
+ KeyedVector<int32_t, int32_t> mFallbackKeys;
+
+ ssize_t findKeyMemento(const KeyEntry* entry) const;
+ ssize_t findMotionMemento(const MotionEntry* entry, bool hovering) const;
+
+ void addKeyMemento(const KeyEntry* entry, int32_t flags);
+ void addMotionMemento(const MotionEntry* entry, int32_t flags, bool hovering);
+
+ static bool shouldCancelKey(const KeyMemento& memento,
+ const CancelationOptions& options);
+ static bool shouldCancelMotion(const MotionMemento& memento,
+ const CancelationOptions& options);
+ };
+
+ /* Manages the dispatch state associated with a single input channel. */
+ class Connection : public RefBase {
+ protected:
+ virtual ~Connection();
+
+ public:
+ enum Status {
+ // Everything is peachy.
+ STATUS_NORMAL,
+ // An unrecoverable communication error has occurred.
+ STATUS_BROKEN,
+ // The input channel has been unregistered.
+ STATUS_ZOMBIE
+ };
+
+ Status status;
+ sp<InputChannel> inputChannel; // never null
+ sp<InputWindowHandle> inputWindowHandle; // may be null
+ bool monitor;
+ InputPublisher inputPublisher;
+ InputState inputState;
+
+ // True if the socket is full and no further events can be published until
+ // the application consumes some of the input.
+ bool inputPublisherBlocked;
+
+ // Queue of events that need to be published to the connection.
+ Queue<DispatchEntry> outboundQueue;
+
+ // Queue of events that have been published to the connection but that have not
+ // yet received a "finished" response from the application.
+ Queue<DispatchEntry> waitQueue;
+
+ explicit Connection(const sp<InputChannel>& inputChannel,
+ const sp<InputWindowHandle>& inputWindowHandle, bool monitor);
+
+ inline const char* getInputChannelName() const { return inputChannel->getName().string(); }
+
+ const char* getWindowName() const;
+ const char* getStatusLabel() const;
+
+ DispatchEntry* findWaitQueueEntry(uint32_t seq);
+ };
+
+ enum DropReason {
+ DROP_REASON_NOT_DROPPED = 0,
+ DROP_REASON_POLICY = 1,
+ DROP_REASON_APP_SWITCH = 2,
+ DROP_REASON_DISABLED = 3,
+ DROP_REASON_BLOCKED = 4,
+ DROP_REASON_STALE = 5,
+ };
+
+ sp<InputDispatcherPolicyInterface> mPolicy;
+ InputDispatcherConfiguration mConfig;
+
+ Mutex mLock;
+
+ Condition mDispatcherIsAliveCondition;
+
+ sp<Looper> mLooper;
+
+ EventEntry* mPendingEvent;
+ Queue<EventEntry> mInboundQueue;
+ Queue<EventEntry> mRecentQueue;
+ Queue<CommandEntry> mCommandQueue;
+
+ void dispatchOnceInnerLocked(nsecs_t* nextWakeupTime);
+
+ // Enqueues an inbound event. Returns true if mLooper->wake() should be called.
+ bool enqueueInboundEventLocked(EventEntry* entry);
+
+ // Cleans up input state when dropping an inbound event.
+ void dropInboundEventLocked(EventEntry* entry, DropReason dropReason);
+
+ // Adds an event to a queue of recent events for debugging purposes.
+ void addRecentEventLocked(EventEntry* entry);
+
+ // App switch latency optimization.
+ bool mAppSwitchSawKeyDown;
+ nsecs_t mAppSwitchDueTime;
+
+ static bool isAppSwitchKeyCode(int32_t keyCode);
+ bool isAppSwitchKeyEventLocked(KeyEntry* keyEntry);
+ bool isAppSwitchPendingLocked();
+ void resetPendingAppSwitchLocked(bool handled);
+
+ // Stale event latency optimization.
+ static bool isStaleEventLocked(nsecs_t currentTime, EventEntry* entry);
+
+ // Blocked event latency optimization. Drops old events when the user intends
+ // to transfer focus to a new application.
+ EventEntry* mNextUnblockedEvent;
+
+ sp<InputWindowHandle> findTouchedWindowAtLocked(int32_t displayId, int32_t x, int32_t y);
+
+ // All registered connections mapped by channel file descriptor.
+ KeyedVector<int, sp<Connection> > mConnectionsByFd;
+
+ ssize_t getConnectionIndexLocked(const sp<InputChannel>& inputChannel);
+
+ // Input channels that will receive a copy of all input events.
+ Vector<sp<InputChannel> > mMonitoringChannels;
+
+ // Event injection and synchronization.
+ Condition mInjectionResultAvailableCondition;
+ bool hasInjectionPermission(int32_t injectorPid, int32_t injectorUid);
+ void setInjectionResultLocked(EventEntry* entry, int32_t injectionResult);
+
+ Condition mInjectionSyncFinishedCondition;
+ void incrementPendingForegroundDispatchesLocked(EventEntry* entry);
+ void decrementPendingForegroundDispatchesLocked(EventEntry* entry);
+
+ // Key repeat tracking.
+ struct KeyRepeatState {
+ KeyEntry* lastKeyEntry; // or null if no repeat
+ nsecs_t nextRepeatTime;
+ } mKeyRepeatState;
+
+ void resetKeyRepeatLocked();
+ KeyEntry* synthesizeKeyRepeatLocked(nsecs_t currentTime);
+
+ // Deferred command processing.
+ bool haveCommandsLocked() const;
+ bool runCommandsLockedInterruptible();
+ CommandEntry* postCommandLocked(Command command);
+
+ // Input filter processing.
+ bool shouldSendKeyToInputFilterLocked(const NotifyKeyArgs* args);
+ bool shouldSendMotionToInputFilterLocked(const NotifyMotionArgs* args);
+
+ // Inbound event processing.
+ void drainInboundQueueLocked();
+ void releasePendingEventLocked();
+ void releaseInboundEventLocked(EventEntry* entry);
+
+ // Dispatch state.
+ bool mDispatchEnabled;
+ bool mDispatchFrozen;
+ bool mInputFilterEnabled;
+
+ Vector<sp<InputWindowHandle> > mWindowHandles;
+
+ sp<InputWindowHandle> getWindowHandleLocked(const sp<InputChannel>& inputChannel) const;
+ bool hasWindowHandleLocked(const sp<InputWindowHandle>& windowHandle) const;
+
+ // Focus tracking for keys, trackball, etc.
+ sp<InputWindowHandle> mFocusedWindowHandle;
+
+ // Focus tracking for touch.
+ struct TouchedWindow {
+ sp<InputWindowHandle> windowHandle;
+ int32_t targetFlags;
+ BitSet32 pointerIds; // zero unless target flag FLAG_SPLIT is set
+ };
+ struct TouchState {
+ bool down;
+ bool split;
+ int32_t deviceId; // id of the device that is currently down, others are rejected
+ uint32_t source; // source of the device that is current down, others are rejected
+ int32_t displayId; // id to the display that currently has a touch, others are rejected
+ Vector<TouchedWindow> windows;
+
+ TouchState();
+ ~TouchState();
+ void reset();
+ void copyFrom(const TouchState& other);
+ void addOrUpdateWindow(const sp<InputWindowHandle>& windowHandle,
+ int32_t targetFlags, BitSet32 pointerIds);
+ void removeWindow(const sp<InputWindowHandle>& windowHandle);
+ void filterNonAsIsTouchWindows();
+ sp<InputWindowHandle> getFirstForegroundWindowHandle() const;
+ bool isSlippery() const;
+ };
+
+ TouchState mTouchState;
+ TouchState mTempTouchState;
+
+ // Focused application.
+ sp<InputApplicationHandle> mFocusedApplicationHandle;
+
+ // Dispatcher state at time of last ANR.
+ String8 mLastANRState;
+
+ // Dispatch inbound events.
+ bool dispatchConfigurationChangedLocked(
+ nsecs_t currentTime, ConfigurationChangedEntry* entry);
+ bool dispatchDeviceResetLocked(
+ nsecs_t currentTime, DeviceResetEntry* entry);
+ bool dispatchKeyLocked(
+ nsecs_t currentTime, KeyEntry* entry,
+ DropReason* dropReason, nsecs_t* nextWakeupTime);
+ bool dispatchMotionLocked(
+ nsecs_t currentTime, MotionEntry* entry,
+ DropReason* dropReason, nsecs_t* nextWakeupTime);
+ void dispatchEventLocked(nsecs_t currentTime, EventEntry* entry,
+ const Vector<InputTarget>& inputTargets);
+
+ void logOutboundKeyDetailsLocked(const char* prefix, const KeyEntry* entry);
+ void logOutboundMotionDetailsLocked(const char* prefix, const MotionEntry* entry);
+
+ // Keeping track of ANR timeouts.
+ enum InputTargetWaitCause {
+ INPUT_TARGET_WAIT_CAUSE_NONE,
+ INPUT_TARGET_WAIT_CAUSE_SYSTEM_NOT_READY,
+ INPUT_TARGET_WAIT_CAUSE_APPLICATION_NOT_READY,
+ };
+
+ InputTargetWaitCause mInputTargetWaitCause;
+ nsecs_t mInputTargetWaitStartTime;
+ nsecs_t mInputTargetWaitTimeoutTime;
+ bool mInputTargetWaitTimeoutExpired;
+ sp<InputApplicationHandle> mInputTargetWaitApplicationHandle;
+
+ // Contains the last window which received a hover event.
+ sp<InputWindowHandle> mLastHoverWindowHandle;
+
+ // Finding targets for input events.
+ int32_t handleTargetsNotReadyLocked(nsecs_t currentTime, const EventEntry* entry,
+ const sp<InputApplicationHandle>& applicationHandle,
+ const sp<InputWindowHandle>& windowHandle,
+ nsecs_t* nextWakeupTime, const char* reason);
+ void resumeAfterTargetsNotReadyTimeoutLocked(nsecs_t newTimeout,
+ const sp<InputChannel>& inputChannel);
+ nsecs_t getTimeSpentWaitingForApplicationLocked(nsecs_t currentTime);
+ void resetANRTimeoutsLocked();
+
+ int32_t findFocusedWindowTargetsLocked(nsecs_t currentTime, const EventEntry* entry,
+ Vector<InputTarget>& inputTargets, nsecs_t* nextWakeupTime);
+ int32_t findTouchedWindowTargetsLocked(nsecs_t currentTime, const MotionEntry* entry,
+ Vector<InputTarget>& inputTargets, nsecs_t* nextWakeupTime,
+ bool* outConflictingPointerActions);
+
+ void addWindowTargetLocked(const sp<InputWindowHandle>& windowHandle,
+ int32_t targetFlags, BitSet32 pointerIds, Vector<InputTarget>& inputTargets);
+ void addMonitoringTargetsLocked(Vector<InputTarget>& inputTargets);
+
+ void pokeUserActivityLocked(const EventEntry* eventEntry);
+ bool checkInjectionPermission(const sp<InputWindowHandle>& windowHandle,
+ const InjectionState* injectionState);
+ bool isWindowObscuredAtPointLocked(const sp<InputWindowHandle>& windowHandle,
+ int32_t x, int32_t y) const;
+ bool isWindowReadyForMoreInputLocked(nsecs_t currentTime,
+ const sp<InputWindowHandle>& windowHandle, const EventEntry* eventEntry);
+ String8 getApplicationWindowLabelLocked(const sp<InputApplicationHandle>& applicationHandle,
+ const sp<InputWindowHandle>& windowHandle);
+
+ // Manage the dispatch cycle for a single connection.
+ // These methods are deliberately not Interruptible because doing all of the work
+ // with the mutex held makes it easier to ensure that connection invariants are maintained.
+ // If needed, the methods post commands to run later once the critical bits are done.
+ void prepareDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection,
+ EventEntry* eventEntry, const InputTarget* inputTarget);
+ void enqueueDispatchEntriesLocked(nsecs_t currentTime, const sp<Connection>& connection,
+ EventEntry* eventEntry, const InputTarget* inputTarget);
+ void enqueueDispatchEntryLocked(const sp<Connection>& connection,
+ EventEntry* eventEntry, const InputTarget* inputTarget, int32_t dispatchMode);
+ void startDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection);
+ void finishDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection,
+ uint32_t seq, bool handled);
+ void abortBrokenDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection,
+ bool notify);
+ void drainDispatchQueueLocked(Queue<DispatchEntry>* queue);
+ void releaseDispatchEntryLocked(DispatchEntry* dispatchEntry);
+ static int handleReceiveCallback(int fd, int events, void* data);
+
+ void synthesizeCancelationEventsForAllConnectionsLocked(
+ const CancelationOptions& options);
+ void synthesizeCancelationEventsForInputChannelLocked(const sp<InputChannel>& channel,
+ const CancelationOptions& options);
+ void synthesizeCancelationEventsForConnectionLocked(const sp<Connection>& connection,
+ const CancelationOptions& options);
+
+ // Splitting motion events across windows.
+ MotionEntry* splitMotionEvent(const MotionEntry* originalMotionEntry, BitSet32 pointerIds);
+
+ // Reset and drop everything the dispatcher is doing.
+ void resetAndDropEverythingLocked(const char* reason);
+
+ // Dump state.
+ void dumpDispatchStateLocked(String8& dump);
+ void logDispatchStateLocked();
+
+ // Registration.
+ void removeMonitorChannelLocked(const sp<InputChannel>& inputChannel);
+ status_t unregisterInputChannelLocked(const sp<InputChannel>& inputChannel, bool notify);
+
+ // Add or remove a connection to the mActiveConnections vector.
+ void activateConnectionLocked(Connection* connection);
+ void deactivateConnectionLocked(Connection* connection);
+
+ // Interesting events that we might like to log or tell the framework about.
+ void onDispatchCycleFinishedLocked(
+ nsecs_t currentTime, const sp<Connection>& connection, uint32_t seq, bool handled);
+ void onDispatchCycleBrokenLocked(
+ nsecs_t currentTime, const sp<Connection>& connection);
+ void onANRLocked(
+ nsecs_t currentTime, const sp<InputApplicationHandle>& applicationHandle,
+ const sp<InputWindowHandle>& windowHandle,
+ nsecs_t eventTime, nsecs_t waitStartTime, const char* reason);
+
+ // Outbound policy interactions.
+ void doNotifyConfigurationChangedInterruptible(CommandEntry* commandEntry);
+ void doNotifyInputChannelBrokenLockedInterruptible(CommandEntry* commandEntry);
+ void doNotifyANRLockedInterruptible(CommandEntry* commandEntry);
+ void doInterceptKeyBeforeDispatchingLockedInterruptible(CommandEntry* commandEntry);
+ void doDispatchCycleFinishedLockedInterruptible(CommandEntry* commandEntry);
+ bool afterKeyEventLockedInterruptible(const sp<Connection>& connection,
+ DispatchEntry* dispatchEntry, KeyEntry* keyEntry, bool handled);
+ bool afterMotionEventLockedInterruptible(const sp<Connection>& connection,
+ DispatchEntry* dispatchEntry, MotionEntry* motionEntry, bool handled);
+ void doPokeUserActivityLockedInterruptible(CommandEntry* commandEntry);
+ void initializeKeyEvent(KeyEvent* event, const KeyEntry* entry);
+
+ // Statistics gathering.
+ void updateDispatchStatisticsLocked(nsecs_t currentTime, const EventEntry* entry,
+ int32_t injectionResult, nsecs_t timeSpentWaitingForApplication);
+ void traceInboundQueueLengthLocked();
+ void traceOutboundQueueLengthLocked(const sp<Connection>& connection);
+ void traceWaitQueueLengthLocked(const sp<Connection>& connection);
+};
+
+/* Enqueues and dispatches input events, endlessly. */
+class InputDispatcherThread : public Thread {
+public:
+ explicit InputDispatcherThread(const sp<InputDispatcherInterface>& dispatcher);
+ ~InputDispatcherThread();
+
+private:
+ virtual bool threadLoop();
+
+ sp<InputDispatcherInterface> mDispatcher;
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_DISPATCHER_H
diff --git a/libs/input/InputListener.cpp b/libs/input/InputListener.cpp
new file mode 100644
index 0000000..85bb0ed
--- /dev/null
+++ b/libs/input/InputListener.cpp
@@ -0,0 +1,182 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "InputListener"
+
+//#define LOG_NDEBUG 0
+
+#include "InputListener.h"
+
+#include <cutils/log.h>
+
+namespace android {
+
+// --- NotifyConfigurationChangedArgs ---
+
+NotifyConfigurationChangedArgs::NotifyConfigurationChangedArgs(nsecs_t eventTime) :
+ eventTime(eventTime) {
+}
+
+NotifyConfigurationChangedArgs::NotifyConfigurationChangedArgs(
+ const NotifyConfigurationChangedArgs& other) :
+ eventTime(other.eventTime) {
+}
+
+void NotifyConfigurationChangedArgs::notify(const sp<InputListenerInterface>& listener) const {
+ listener->notifyConfigurationChanged(this);
+}
+
+
+// --- NotifyKeyArgs ---
+
+NotifyKeyArgs::NotifyKeyArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source,
+ uint32_t policyFlags,
+ int32_t action, int32_t flags, int32_t keyCode, int32_t scanCode,
+ int32_t metaState, nsecs_t downTime) :
+ eventTime(eventTime), deviceId(deviceId), source(source), policyFlags(policyFlags),
+ action(action), flags(flags), keyCode(keyCode), scanCode(scanCode),
+ metaState(metaState), downTime(downTime) {
+}
+
+NotifyKeyArgs::NotifyKeyArgs(const NotifyKeyArgs& other) :
+ eventTime(other.eventTime), deviceId(other.deviceId), source(other.source),
+ policyFlags(other.policyFlags),
+ action(other.action), flags(other.flags),
+ keyCode(other.keyCode), scanCode(other.scanCode),
+ metaState(other.metaState), downTime(other.downTime) {
+}
+
+void NotifyKeyArgs::notify(const sp<InputListenerInterface>& listener) const {
+ listener->notifyKey(this);
+}
+
+
+// --- NotifyMotionArgs ---
+
+NotifyMotionArgs::NotifyMotionArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source,
+ uint32_t policyFlags,
+ int32_t action, int32_t flags, int32_t metaState, int32_t buttonState,
+ int32_t edgeFlags, int32_t displayId, uint32_t pointerCount,
+ const PointerProperties* pointerProperties, const PointerCoords* pointerCoords,
+ float xPrecision, float yPrecision, nsecs_t downTime) :
+ eventTime(eventTime), deviceId(deviceId), source(source), policyFlags(policyFlags),
+ action(action), flags(flags), metaState(metaState), buttonState(buttonState),
+ edgeFlags(edgeFlags), displayId(displayId), pointerCount(pointerCount),
+ xPrecision(xPrecision), yPrecision(yPrecision), downTime(downTime) {
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ this->pointerProperties[i].copyFrom(pointerProperties[i]);
+ this->pointerCoords[i].copyFrom(pointerCoords[i]);
+ }
+}
+
+NotifyMotionArgs::NotifyMotionArgs(const NotifyMotionArgs& other) :
+ eventTime(other.eventTime), deviceId(other.deviceId), source(other.source),
+ policyFlags(other.policyFlags),
+ action(other.action), flags(other.flags),
+ metaState(other.metaState), buttonState(other.buttonState),
+ edgeFlags(other.edgeFlags), displayId(other.displayId),
+ pointerCount(other.pointerCount),
+ xPrecision(other.xPrecision), yPrecision(other.yPrecision), downTime(other.downTime) {
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ pointerProperties[i].copyFrom(other.pointerProperties[i]);
+ pointerCoords[i].copyFrom(other.pointerCoords[i]);
+ }
+}
+
+void NotifyMotionArgs::notify(const sp<InputListenerInterface>& listener) const {
+ listener->notifyMotion(this);
+}
+
+
+// --- NotifySwitchArgs ---
+
+NotifySwitchArgs::NotifySwitchArgs(nsecs_t eventTime, uint32_t policyFlags,
+ uint32_t switchValues, uint32_t switchMask) :
+ eventTime(eventTime), policyFlags(policyFlags),
+ switchValues(switchValues), switchMask(switchMask) {
+}
+
+NotifySwitchArgs::NotifySwitchArgs(const NotifySwitchArgs& other) :
+ eventTime(other.eventTime), policyFlags(other.policyFlags),
+ switchValues(other.switchValues), switchMask(other.switchMask) {
+}
+
+void NotifySwitchArgs::notify(const sp<InputListenerInterface>& listener) const {
+ listener->notifySwitch(this);
+}
+
+
+// --- NotifyDeviceResetArgs ---
+
+NotifyDeviceResetArgs::NotifyDeviceResetArgs(nsecs_t eventTime, int32_t deviceId) :
+ eventTime(eventTime), deviceId(deviceId) {
+}
+
+NotifyDeviceResetArgs::NotifyDeviceResetArgs(const NotifyDeviceResetArgs& other) :
+ eventTime(other.eventTime), deviceId(other.deviceId) {
+}
+
+void NotifyDeviceResetArgs::notify(const sp<InputListenerInterface>& listener) const {
+ listener->notifyDeviceReset(this);
+}
+
+
+// --- QueuedInputListener ---
+
+QueuedInputListener::QueuedInputListener(const sp<InputListenerInterface>& innerListener) :
+ mInnerListener(innerListener) {
+}
+
+QueuedInputListener::~QueuedInputListener() {
+ size_t count = mArgsQueue.size();
+ for (size_t i = 0; i < count; i++) {
+ delete mArgsQueue[i];
+ }
+}
+
+void QueuedInputListener::notifyConfigurationChanged(
+ const NotifyConfigurationChangedArgs* args) {
+ mArgsQueue.push(new NotifyConfigurationChangedArgs(*args));
+}
+
+void QueuedInputListener::notifyKey(const NotifyKeyArgs* args) {
+ mArgsQueue.push(new NotifyKeyArgs(*args));
+}
+
+void QueuedInputListener::notifyMotion(const NotifyMotionArgs* args) {
+ mArgsQueue.push(new NotifyMotionArgs(*args));
+}
+
+void QueuedInputListener::notifySwitch(const NotifySwitchArgs* args) {
+ mArgsQueue.push(new NotifySwitchArgs(*args));
+}
+
+void QueuedInputListener::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
+ mArgsQueue.push(new NotifyDeviceResetArgs(*args));
+}
+
+void QueuedInputListener::flush() {
+ size_t count = mArgsQueue.size();
+ for (size_t i = 0; i < count; i++) {
+ NotifyArgs* args = mArgsQueue[i];
+ args->notify(mInnerListener);
+ delete args;
+ }
+ mArgsQueue.clear();
+}
+
+
+} // namespace android
diff --git a/libs/input/InputListener.h b/libs/input/InputListener.h
new file mode 100644
index 0000000..78ae10f
--- /dev/null
+++ b/libs/input/InputListener.h
@@ -0,0 +1,196 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_LISTENER_H
+#define _UI_INPUT_LISTENER_H
+
+#include <input/Input.h>
+#include <utils/RefBase.h>
+#include <utils/Vector.h>
+
+namespace android {
+
+class InputListenerInterface;
+
+
+/* Superclass of all input event argument objects */
+struct NotifyArgs {
+ virtual ~NotifyArgs() { }
+
+ virtual void notify(const sp<InputListenerInterface>& listener) const = 0;
+};
+
+
+/* Describes a configuration change event. */
+struct NotifyConfigurationChangedArgs : public NotifyArgs {
+ nsecs_t eventTime;
+
+ inline NotifyConfigurationChangedArgs() { }
+
+ NotifyConfigurationChangedArgs(nsecs_t eventTime);
+
+ NotifyConfigurationChangedArgs(const NotifyConfigurationChangedArgs& other);
+
+ virtual ~NotifyConfigurationChangedArgs() { }
+
+ virtual void notify(const sp<InputListenerInterface>& listener) const;
+};
+
+
+/* Describes a key event. */
+struct NotifyKeyArgs : public NotifyArgs {
+ nsecs_t eventTime;
+ int32_t deviceId;
+ uint32_t source;
+ uint32_t policyFlags;
+ int32_t action;
+ int32_t flags;
+ int32_t keyCode;
+ int32_t scanCode;
+ int32_t metaState;
+ nsecs_t downTime;
+
+ inline NotifyKeyArgs() { }
+
+ NotifyKeyArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source, uint32_t policyFlags,
+ int32_t action, int32_t flags, int32_t keyCode, int32_t scanCode,
+ int32_t metaState, nsecs_t downTime);
+
+ NotifyKeyArgs(const NotifyKeyArgs& other);
+
+ virtual ~NotifyKeyArgs() { }
+
+ virtual void notify(const sp<InputListenerInterface>& listener) const;
+};
+
+
+/* Describes a motion event. */
+struct NotifyMotionArgs : public NotifyArgs {
+ nsecs_t eventTime;
+ int32_t deviceId;
+ uint32_t source;
+ uint32_t policyFlags;
+ int32_t action;
+ int32_t flags;
+ int32_t metaState;
+ int32_t buttonState;
+ int32_t edgeFlags;
+ int32_t displayId;
+ uint32_t pointerCount;
+ PointerProperties pointerProperties[MAX_POINTERS];
+ PointerCoords pointerCoords[MAX_POINTERS];
+ float xPrecision;
+ float yPrecision;
+ nsecs_t downTime;
+
+ inline NotifyMotionArgs() { }
+
+ NotifyMotionArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source, uint32_t policyFlags,
+ int32_t action, int32_t flags, int32_t metaState, int32_t buttonState,
+ int32_t edgeFlags, int32_t displayId, uint32_t pointerCount,
+ const PointerProperties* pointerProperties, const PointerCoords* pointerCoords,
+ float xPrecision, float yPrecision, nsecs_t downTime);
+
+ NotifyMotionArgs(const NotifyMotionArgs& other);
+
+ virtual ~NotifyMotionArgs() { }
+
+ virtual void notify(const sp<InputListenerInterface>& listener) const;
+};
+
+
+/* Describes a switch event. */
+struct NotifySwitchArgs : public NotifyArgs {
+ nsecs_t eventTime;
+ uint32_t policyFlags;
+ uint32_t switchValues;
+ uint32_t switchMask;
+
+ inline NotifySwitchArgs() { }
+
+ NotifySwitchArgs(nsecs_t eventTime, uint32_t policyFlags,
+ uint32_t switchValues, uint32_t switchMask);
+
+ NotifySwitchArgs(const NotifySwitchArgs& other);
+
+ virtual ~NotifySwitchArgs() { }
+
+ virtual void notify(const sp<InputListenerInterface>& listener) const;
+};
+
+
+/* Describes a device reset event, such as when a device is added,
+ * reconfigured, or removed. */
+struct NotifyDeviceResetArgs : public NotifyArgs {
+ nsecs_t eventTime;
+ int32_t deviceId;
+
+ inline NotifyDeviceResetArgs() { }
+
+ NotifyDeviceResetArgs(nsecs_t eventTime, int32_t deviceId);
+
+ NotifyDeviceResetArgs(const NotifyDeviceResetArgs& other);
+
+ virtual ~NotifyDeviceResetArgs() { }
+
+ virtual void notify(const sp<InputListenerInterface>& listener) const;
+};
+
+
+/*
+ * The interface used by the InputReader to notify the InputListener about input events.
+ */
+class InputListenerInterface : public virtual RefBase {
+protected:
+ InputListenerInterface() { }
+ virtual ~InputListenerInterface() { }
+
+public:
+ virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) = 0;
+ virtual void notifyKey(const NotifyKeyArgs* args) = 0;
+ virtual void notifyMotion(const NotifyMotionArgs* args) = 0;
+ virtual void notifySwitch(const NotifySwitchArgs* args) = 0;
+ virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) = 0;
+};
+
+
+/*
+ * An implementation of the listener interface that queues up and defers dispatch
+ * of decoded events until flushed.
+ */
+class QueuedInputListener : public InputListenerInterface {
+protected:
+ virtual ~QueuedInputListener();
+
+public:
+ QueuedInputListener(const sp<InputListenerInterface>& innerListener);
+
+ virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args);
+ virtual void notifyKey(const NotifyKeyArgs* args);
+ virtual void notifyMotion(const NotifyMotionArgs* args);
+ virtual void notifySwitch(const NotifySwitchArgs* args);
+ virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args);
+
+ void flush();
+
+private:
+ sp<InputListenerInterface> mInnerListener;
+ Vector<NotifyArgs*> mArgsQueue;
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_LISTENER_H
diff --git a/libs/input/InputManager.cpp b/libs/input/InputManager.cpp
new file mode 100644
index 0000000..6a6547b
--- /dev/null
+++ b/libs/input/InputManager.cpp
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "InputManager"
+
+//#define LOG_NDEBUG 0
+
+#include "InputManager.h"
+
+#include <cutils/log.h>
+
+namespace android {
+
+InputManager::InputManager(
+ const sp<EventHubInterface>& eventHub,
+ const sp<InputReaderPolicyInterface>& readerPolicy,
+ const sp<InputDispatcherPolicyInterface>& dispatcherPolicy) {
+ mDispatcher = new InputDispatcher(dispatcherPolicy);
+ mReader = new InputReader(eventHub, readerPolicy, mDispatcher);
+ initialize();
+}
+
+InputManager::InputManager(
+ const sp<InputReaderInterface>& reader,
+ const sp<InputDispatcherInterface>& dispatcher) :
+ mReader(reader),
+ mDispatcher(dispatcher) {
+ initialize();
+}
+
+InputManager::~InputManager() {
+ stop();
+}
+
+void InputManager::initialize() {
+ mReaderThread = new InputReaderThread(mReader);
+ mDispatcherThread = new InputDispatcherThread(mDispatcher);
+}
+
+status_t InputManager::start() {
+ status_t result = mDispatcherThread->run("InputDispatcher", PRIORITY_URGENT_DISPLAY);
+ if (result) {
+ ALOGE("Could not start InputDispatcher thread due to error %d.", result);
+ return result;
+ }
+
+ result = mReaderThread->run("InputReader", PRIORITY_URGENT_DISPLAY);
+ if (result) {
+ ALOGE("Could not start InputReader thread due to error %d.", result);
+
+ mDispatcherThread->requestExit();
+ return result;
+ }
+
+ return OK;
+}
+
+status_t InputManager::stop() {
+ status_t result = mReaderThread->requestExitAndWait();
+ if (result) {
+ ALOGW("Could not stop InputReader thread due to error %d.", result);
+ }
+
+ result = mDispatcherThread->requestExitAndWait();
+ if (result) {
+ ALOGW("Could not stop InputDispatcher thread due to error %d.", result);
+ }
+
+ return OK;
+}
+
+sp<InputReaderInterface> InputManager::getReader() {
+ return mReader;
+}
+
+sp<InputDispatcherInterface> InputManager::getDispatcher() {
+ return mDispatcher;
+}
+
+} // namespace android
diff --git a/libs/input/InputManager.h b/libs/input/InputManager.h
new file mode 100644
index 0000000..a213b2d
--- /dev/null
+++ b/libs/input/InputManager.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_MANAGER_H
+#define _UI_INPUT_MANAGER_H
+
+/**
+ * Native input manager.
+ */
+
+#include "EventHub.h"
+#include "InputReader.h"
+#include "InputDispatcher.h"
+
+#include <input/Input.h>
+#include <input/InputTransport.h>
+#include <utils/Errors.h>
+#include <utils/Vector.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+
+namespace android {
+
+/*
+ * The input manager is the core of the system event processing.
+ *
+ * The input manager uses two threads.
+ *
+ * 1. The InputReaderThread (called "InputReader") reads and preprocesses raw input events,
+ * applies policy, and posts messages to a queue managed by the DispatcherThread.
+ * 2. The InputDispatcherThread (called "InputDispatcher") thread waits for new events on the
+ * queue and asynchronously dispatches them to applications.
+ *
+ * By design, the InputReaderThread class and InputDispatcherThread class do not share any
+ * internal state. Moreover, all communication is done one way from the InputReaderThread
+ * into the InputDispatcherThread and never the reverse. Both classes may interact with the
+ * InputDispatchPolicy, however.
+ *
+ * The InputManager class never makes any calls into Java itself. Instead, the
+ * InputDispatchPolicy is responsible for performing all external interactions with the
+ * system, including calling DVM services.
+ */
+class InputManagerInterface : public virtual RefBase {
+protected:
+ InputManagerInterface() { }
+ virtual ~InputManagerInterface() { }
+
+public:
+ /* Starts the input manager threads. */
+ virtual status_t start() = 0;
+
+ /* Stops the input manager threads and waits for them to exit. */
+ virtual status_t stop() = 0;
+
+ /* Gets the input reader. */
+ virtual sp<InputReaderInterface> getReader() = 0;
+
+ /* Gets the input dispatcher. */
+ virtual sp<InputDispatcherInterface> getDispatcher() = 0;
+};
+
+class InputManager : public InputManagerInterface {
+protected:
+ virtual ~InputManager();
+
+public:
+ InputManager(
+ const sp<EventHubInterface>& eventHub,
+ const sp<InputReaderPolicyInterface>& readerPolicy,
+ const sp<InputDispatcherPolicyInterface>& dispatcherPolicy);
+
+ // (used for testing purposes)
+ InputManager(
+ const sp<InputReaderInterface>& reader,
+ const sp<InputDispatcherInterface>& dispatcher);
+
+ virtual status_t start();
+ virtual status_t stop();
+
+ virtual sp<InputReaderInterface> getReader();
+ virtual sp<InputDispatcherInterface> getDispatcher();
+
+private:
+ sp<InputReaderInterface> mReader;
+ sp<InputReaderThread> mReaderThread;
+
+ sp<InputDispatcherInterface> mDispatcher;
+ sp<InputDispatcherThread> mDispatcherThread;
+
+ void initialize();
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_MANAGER_H
diff --git a/libs/input/InputReader.cpp b/libs/input/InputReader.cpp
new file mode 100644
index 0000000..94e2a80
--- /dev/null
+++ b/libs/input/InputReader.cpp
@@ -0,0 +1,6530 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "InputReader"
+
+//#define LOG_NDEBUG 0
+
+// Log debug messages for each raw event received from the EventHub.
+#define DEBUG_RAW_EVENTS 0
+
+// Log debug messages about touch screen filtering hacks.
+#define DEBUG_HACKS 0
+
+// Log debug messages about virtual key processing.
+#define DEBUG_VIRTUAL_KEYS 0
+
+// Log debug messages about pointers.
+#define DEBUG_POINTERS 0
+
+// Log debug messages about pointer assignment calculations.
+#define DEBUG_POINTER_ASSIGNMENT 0
+
+// Log debug messages about gesture detection.
+#define DEBUG_GESTURES 0
+
+// Log debug messages about the vibrator.
+#define DEBUG_VIBRATOR 0
+
+#include "InputReader.h"
+
+#include <cutils/log.h>
+#include <input/Keyboard.h>
+#include <input/VirtualKeyMap.h>
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <limits.h>
+#include <math.h>
+
+#define INDENT " "
+#define INDENT2 " "
+#define INDENT3 " "
+#define INDENT4 " "
+#define INDENT5 " "
+
+namespace android {
+
+// --- Constants ---
+
+// Maximum number of slots supported when using the slot-based Multitouch Protocol B.
+static const size_t MAX_SLOTS = 32;
+
+// --- Static Functions ---
+
+template<typename T>
+inline static T abs(const T& value) {
+ return value < 0 ? - value : value;
+}
+
+template<typename T>
+inline static T min(const T& a, const T& b) {
+ return a < b ? a : b;
+}
+
+template<typename T>
+inline static void swap(T& a, T& b) {
+ T temp = a;
+ a = b;
+ b = temp;
+}
+
+inline static float avg(float x, float y) {
+ return (x + y) / 2;
+}
+
+inline static float distance(float x1, float y1, float x2, float y2) {
+ return hypotf(x1 - x2, y1 - y2);
+}
+
+inline static int32_t signExtendNybble(int32_t value) {
+ return value >= 8 ? value - 16 : value;
+}
+
+static inline const char* toString(bool value) {
+ return value ? "true" : "false";
+}
+
+static int32_t rotateValueUsingRotationMap(int32_t value, int32_t orientation,
+ const int32_t map[][4], size_t mapSize) {
+ if (orientation != DISPLAY_ORIENTATION_0) {
+ for (size_t i = 0; i < mapSize; i++) {
+ if (value == map[i][0]) {
+ return map[i][orientation];
+ }
+ }
+ }
+ return value;
+}
+
+static const int32_t keyCodeRotationMap[][4] = {
+ // key codes enumerated counter-clockwise with the original (unrotated) key first
+ // no rotation, 90 degree rotation, 180 degree rotation, 270 degree rotation
+ { AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT },
+ { AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN },
+ { AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT },
+ { AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP },
+};
+static const size_t keyCodeRotationMapSize =
+ sizeof(keyCodeRotationMap) / sizeof(keyCodeRotationMap[0]);
+
+static int32_t rotateKeyCode(int32_t keyCode, int32_t orientation) {
+ return rotateValueUsingRotationMap(keyCode, orientation,
+ keyCodeRotationMap, keyCodeRotationMapSize);
+}
+
+static void rotateDelta(int32_t orientation, float* deltaX, float* deltaY) {
+ float temp;
+ switch (orientation) {
+ case DISPLAY_ORIENTATION_90:
+ temp = *deltaX;
+ *deltaX = *deltaY;
+ *deltaY = -temp;
+ break;
+
+ case DISPLAY_ORIENTATION_180:
+ *deltaX = -*deltaX;
+ *deltaY = -*deltaY;
+ break;
+
+ case DISPLAY_ORIENTATION_270:
+ temp = *deltaX;
+ *deltaX = -*deltaY;
+ *deltaY = temp;
+ break;
+ }
+}
+
+static inline bool sourcesMatchMask(uint32_t sources, uint32_t sourceMask) {
+ return (sources & sourceMask & ~ AINPUT_SOURCE_CLASS_MASK) != 0;
+}
+
+// Returns true if the pointer should be reported as being down given the specified
+// button states. This determines whether the event is reported as a touch event.
+static bool isPointerDown(int32_t buttonState) {
+ return buttonState &
+ (AMOTION_EVENT_BUTTON_PRIMARY | AMOTION_EVENT_BUTTON_SECONDARY
+ | AMOTION_EVENT_BUTTON_TERTIARY);
+}
+
+static float calculateCommonVector(float a, float b) {
+ if (a > 0 && b > 0) {
+ return a < b ? a : b;
+ } else if (a < 0 && b < 0) {
+ return a > b ? a : b;
+ } else {
+ return 0;
+ }
+}
+
+static void synthesizeButtonKey(InputReaderContext* context, int32_t action,
+ nsecs_t when, int32_t deviceId, uint32_t source,
+ uint32_t policyFlags, int32_t lastButtonState, int32_t currentButtonState,
+ int32_t buttonState, int32_t keyCode) {
+ if (
+ (action == AKEY_EVENT_ACTION_DOWN
+ && !(lastButtonState & buttonState)
+ && (currentButtonState & buttonState))
+ || (action == AKEY_EVENT_ACTION_UP
+ && (lastButtonState & buttonState)
+ && !(currentButtonState & buttonState))) {
+ NotifyKeyArgs args(when, deviceId, source, policyFlags,
+ action, 0, keyCode, 0, context->getGlobalMetaState(), when);
+ context->getListener()->notifyKey(&args);
+ }
+}
+
+static void synthesizeButtonKeys(InputReaderContext* context, int32_t action,
+ nsecs_t when, int32_t deviceId, uint32_t source,
+ uint32_t policyFlags, int32_t lastButtonState, int32_t currentButtonState) {
+ synthesizeButtonKey(context, action, when, deviceId, source, policyFlags,
+ lastButtonState, currentButtonState,
+ AMOTION_EVENT_BUTTON_BACK, AKEYCODE_BACK);
+ synthesizeButtonKey(context, action, when, deviceId, source, policyFlags,
+ lastButtonState, currentButtonState,
+ AMOTION_EVENT_BUTTON_FORWARD, AKEYCODE_FORWARD);
+}
+
+
+// --- InputReaderConfiguration ---
+
+bool InputReaderConfiguration::getDisplayInfo(bool external, DisplayViewport* outViewport) const {
+ const DisplayViewport& viewport = external ? mExternalDisplay : mInternalDisplay;
+ if (viewport.displayId >= 0) {
+ *outViewport = viewport;
+ return true;
+ }
+ return false;
+}
+
+void InputReaderConfiguration::setDisplayInfo(bool external, const DisplayViewport& viewport) {
+ DisplayViewport& v = external ? mExternalDisplay : mInternalDisplay;
+ v = viewport;
+}
+
+
+// --- InputReader ---
+
+InputReader::InputReader(const sp<EventHubInterface>& eventHub,
+ const sp<InputReaderPolicyInterface>& policy,
+ const sp<InputListenerInterface>& listener) :
+ mContext(this), mEventHub(eventHub), mPolicy(policy),
+ mGlobalMetaState(0), mGeneration(1),
+ mDisableVirtualKeysTimeout(LLONG_MIN), mNextTimeout(LLONG_MAX),
+ mConfigurationChangesToRefresh(0) {
+ mQueuedListener = new QueuedInputListener(listener);
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ refreshConfigurationLocked(0);
+ updateGlobalMetaStateLocked();
+ } // release lock
+}
+
+InputReader::~InputReader() {
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ delete mDevices.valueAt(i);
+ }
+}
+
+void InputReader::loopOnce() {
+ int32_t oldGeneration;
+ int32_t timeoutMillis;
+ bool inputDevicesChanged = false;
+ Vector<InputDeviceInfo> inputDevices;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ oldGeneration = mGeneration;
+ timeoutMillis = -1;
+
+ uint32_t changes = mConfigurationChangesToRefresh;
+ if (changes) {
+ mConfigurationChangesToRefresh = 0;
+ timeoutMillis = 0;
+ refreshConfigurationLocked(changes);
+ } else if (mNextTimeout != LLONG_MAX) {
+ nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
+ timeoutMillis = toMillisecondTimeoutDelay(now, mNextTimeout);
+ }
+ } // release lock
+
+ size_t count = mEventHub->getEvents(timeoutMillis, mEventBuffer, EVENT_BUFFER_SIZE);
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+ mReaderIsAliveCondition.broadcast();
+
+ if (count) {
+ processEventsLocked(mEventBuffer, count);
+ }
+
+ if (mNextTimeout != LLONG_MAX) {
+ nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
+ if (now >= mNextTimeout) {
+#if DEBUG_RAW_EVENTS
+ ALOGD("Timeout expired, latency=%0.3fms", (now - mNextTimeout) * 0.000001f);
+#endif
+ mNextTimeout = LLONG_MAX;
+ timeoutExpiredLocked(now);
+ }
+ }
+
+ if (oldGeneration != mGeneration) {
+ inputDevicesChanged = true;
+ getInputDevicesLocked(inputDevices);
+ }
+ } // release lock
+
+ // Send out a message that the describes the changed input devices.
+ if (inputDevicesChanged) {
+ mPolicy->notifyInputDevicesChanged(inputDevices);
+ }
+
+ // Flush queued events out to the listener.
+ // This must happen outside of the lock because the listener could potentially call
+ // back into the InputReader's methods, such as getScanCodeState, or become blocked
+ // on another thread similarly waiting to acquire the InputReader lock thereby
+ // resulting in a deadlock. This situation is actually quite plausible because the
+ // listener is actually the input dispatcher, which calls into the window manager,
+ // which occasionally calls into the input reader.
+ mQueuedListener->flush();
+}
+
+void InputReader::processEventsLocked(const RawEvent* rawEvents, size_t count) {
+ for (const RawEvent* rawEvent = rawEvents; count;) {
+ int32_t type = rawEvent->type;
+ size_t batchSize = 1;
+ if (type < EventHubInterface::FIRST_SYNTHETIC_EVENT) {
+ int32_t deviceId = rawEvent->deviceId;
+ while (batchSize < count) {
+ if (rawEvent[batchSize].type >= EventHubInterface::FIRST_SYNTHETIC_EVENT
+ || rawEvent[batchSize].deviceId != deviceId) {
+ break;
+ }
+ batchSize += 1;
+ }
+#if DEBUG_RAW_EVENTS
+ ALOGD("BatchSize: %d Count: %d", batchSize, count);
+#endif
+ processEventsForDeviceLocked(deviceId, rawEvent, batchSize);
+ } else {
+ switch (rawEvent->type) {
+ case EventHubInterface::DEVICE_ADDED:
+ addDeviceLocked(rawEvent->when, rawEvent->deviceId);
+ break;
+ case EventHubInterface::DEVICE_REMOVED:
+ removeDeviceLocked(rawEvent->when, rawEvent->deviceId);
+ break;
+ case EventHubInterface::FINISHED_DEVICE_SCAN:
+ handleConfigurationChangedLocked(rawEvent->when);
+ break;
+ default:
+ ALOG_ASSERT(false); // can't happen
+ break;
+ }
+ }
+ count -= batchSize;
+ rawEvent += batchSize;
+ }
+}
+
+void InputReader::addDeviceLocked(nsecs_t when, int32_t deviceId) {
+ ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
+ if (deviceIndex >= 0) {
+ ALOGW("Ignoring spurious device added event for deviceId %d.", deviceId);
+ return;
+ }
+
+ InputDeviceIdentifier identifier = mEventHub->getDeviceIdentifier(deviceId);
+ uint32_t classes = mEventHub->getDeviceClasses(deviceId);
+ int32_t controllerNumber = mEventHub->getDeviceControllerNumber(deviceId);
+
+ InputDevice* device = createDeviceLocked(deviceId, controllerNumber, identifier, classes);
+ device->configure(when, &mConfig, 0);
+ device->reset(when);
+
+ if (device->isIgnored()) {
+ ALOGI("Device added: id=%d, name='%s' (ignored non-input device)", deviceId,
+ identifier.name.string());
+ } else {
+ ALOGI("Device added: id=%d, name='%s', sources=0x%08x", deviceId,
+ identifier.name.string(), device->getSources());
+ }
+
+ mDevices.add(deviceId, device);
+ bumpGenerationLocked();
+}
+
+void InputReader::removeDeviceLocked(nsecs_t when, int32_t deviceId) {
+ InputDevice* device = NULL;
+ ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
+ if (deviceIndex < 0) {
+ ALOGW("Ignoring spurious device removed event for deviceId %d.", deviceId);
+ return;
+ }
+
+ device = mDevices.valueAt(deviceIndex);
+ mDevices.removeItemsAt(deviceIndex, 1);
+ bumpGenerationLocked();
+
+ if (device->isIgnored()) {
+ ALOGI("Device removed: id=%d, name='%s' (ignored non-input device)",
+ device->getId(), device->getName().string());
+ } else {
+ ALOGI("Device removed: id=%d, name='%s', sources=0x%08x",
+ device->getId(), device->getName().string(), device->getSources());
+ }
+
+ device->reset(when);
+ delete device;
+}
+
+InputDevice* InputReader::createDeviceLocked(int32_t deviceId, int32_t controllerNumber,
+ const InputDeviceIdentifier& identifier, uint32_t classes) {
+ InputDevice* device = new InputDevice(&mContext, deviceId, bumpGenerationLocked(),
+ controllerNumber, identifier, classes);
+
+ // External devices.
+ if (classes & INPUT_DEVICE_CLASS_EXTERNAL) {
+ device->setExternal(true);
+ }
+
+ // Switch-like devices.
+ if (classes & INPUT_DEVICE_CLASS_SWITCH) {
+ device->addMapper(new SwitchInputMapper(device));
+ }
+
+ // Vibrator-like devices.
+ if (classes & INPUT_DEVICE_CLASS_VIBRATOR) {
+ device->addMapper(new VibratorInputMapper(device));
+ }
+
+ // Keyboard-like devices.
+ uint32_t keyboardSource = 0;
+ int32_t keyboardType = AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC;
+ if (classes & INPUT_DEVICE_CLASS_KEYBOARD) {
+ keyboardSource |= AINPUT_SOURCE_KEYBOARD;
+ }
+ if (classes & INPUT_DEVICE_CLASS_ALPHAKEY) {
+ keyboardType = AINPUT_KEYBOARD_TYPE_ALPHABETIC;
+ }
+ if (classes & INPUT_DEVICE_CLASS_DPAD) {
+ keyboardSource |= AINPUT_SOURCE_DPAD;
+ }
+ if (classes & INPUT_DEVICE_CLASS_GAMEPAD) {
+ keyboardSource |= AINPUT_SOURCE_GAMEPAD;
+ }
+
+ if (keyboardSource != 0) {
+ device->addMapper(new KeyboardInputMapper(device, keyboardSource, keyboardType));
+ }
+
+ // Cursor-like devices.
+ if (classes & INPUT_DEVICE_CLASS_CURSOR) {
+ device->addMapper(new CursorInputMapper(device));
+ }
+
+ // Touchscreens and touchpad devices.
+ if (classes & INPUT_DEVICE_CLASS_TOUCH_MT) {
+ device->addMapper(new MultiTouchInputMapper(device));
+ } else if (classes & INPUT_DEVICE_CLASS_TOUCH) {
+ device->addMapper(new SingleTouchInputMapper(device));
+ }
+
+ // Joystick-like devices.
+ if (classes & INPUT_DEVICE_CLASS_JOYSTICK) {
+ device->addMapper(new JoystickInputMapper(device));
+ }
+
+ return device;
+}
+
+void InputReader::processEventsForDeviceLocked(int32_t deviceId,
+ const RawEvent* rawEvents, size_t count) {
+ ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
+ if (deviceIndex < 0) {
+ ALOGW("Discarding event for unknown deviceId %d.", deviceId);
+ return;
+ }
+
+ InputDevice* device = mDevices.valueAt(deviceIndex);
+ if (device->isIgnored()) {
+ //ALOGD("Discarding event for ignored deviceId %d.", deviceId);
+ return;
+ }
+
+ device->process(rawEvents, count);
+}
+
+void InputReader::timeoutExpiredLocked(nsecs_t when) {
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ InputDevice* device = mDevices.valueAt(i);
+ if (!device->isIgnored()) {
+ device->timeoutExpired(when);
+ }
+ }
+}
+
+void InputReader::handleConfigurationChangedLocked(nsecs_t when) {
+ // Reset global meta state because it depends on the list of all configured devices.
+ updateGlobalMetaStateLocked();
+
+ // Enqueue configuration changed.
+ NotifyConfigurationChangedArgs args(when);
+ mQueuedListener->notifyConfigurationChanged(&args);
+}
+
+void InputReader::refreshConfigurationLocked(uint32_t changes) {
+ mPolicy->getReaderConfiguration(&mConfig);
+ mEventHub->setExcludedDevices(mConfig.excludedDeviceNames);
+
+ if (changes) {
+ ALOGI("Reconfiguring input devices. changes=0x%08x", changes);
+ nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
+
+ if (changes & InputReaderConfiguration::CHANGE_MUST_REOPEN) {
+ mEventHub->requestReopenDevices();
+ } else {
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ InputDevice* device = mDevices.valueAt(i);
+ device->configure(now, &mConfig, changes);
+ }
+ }
+ }
+}
+
+void InputReader::updateGlobalMetaStateLocked() {
+ mGlobalMetaState = 0;
+
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ InputDevice* device = mDevices.valueAt(i);
+ mGlobalMetaState |= device->getMetaState();
+ }
+}
+
+int32_t InputReader::getGlobalMetaStateLocked() {
+ return mGlobalMetaState;
+}
+
+void InputReader::disableVirtualKeysUntilLocked(nsecs_t time) {
+ mDisableVirtualKeysTimeout = time;
+}
+
+bool InputReader::shouldDropVirtualKeyLocked(nsecs_t now,
+ InputDevice* device, int32_t keyCode, int32_t scanCode) {
+ if (now < mDisableVirtualKeysTimeout) {
+ ALOGI("Dropping virtual key from device %s because virtual keys are "
+ "temporarily disabled for the next %0.3fms. keyCode=%d, scanCode=%d",
+ device->getName().string(),
+ (mDisableVirtualKeysTimeout - now) * 0.000001,
+ keyCode, scanCode);
+ return true;
+ } else {
+ return false;
+ }
+}
+
+void InputReader::fadePointerLocked() {
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ InputDevice* device = mDevices.valueAt(i);
+ device->fadePointer();
+ }
+}
+
+void InputReader::requestTimeoutAtTimeLocked(nsecs_t when) {
+ if (when < mNextTimeout) {
+ mNextTimeout = when;
+ mEventHub->wake();
+ }
+}
+
+int32_t InputReader::bumpGenerationLocked() {
+ return ++mGeneration;
+}
+
+void InputReader::getInputDevices(Vector<InputDeviceInfo>& outInputDevices) {
+ AutoMutex _l(mLock);
+ getInputDevicesLocked(outInputDevices);
+}
+
+void InputReader::getInputDevicesLocked(Vector<InputDeviceInfo>& outInputDevices) {
+ outInputDevices.clear();
+
+ size_t numDevices = mDevices.size();
+ for (size_t i = 0; i < numDevices; i++) {
+ InputDevice* device = mDevices.valueAt(i);
+ if (!device->isIgnored()) {
+ outInputDevices.push();
+ device->getDeviceInfo(&outInputDevices.editTop());
+ }
+ }
+}
+
+int32_t InputReader::getKeyCodeState(int32_t deviceId, uint32_t sourceMask,
+ int32_t keyCode) {
+ AutoMutex _l(mLock);
+
+ return getStateLocked(deviceId, sourceMask, keyCode, &InputDevice::getKeyCodeState);
+}
+
+int32_t InputReader::getScanCodeState(int32_t deviceId, uint32_t sourceMask,
+ int32_t scanCode) {
+ AutoMutex _l(mLock);
+
+ return getStateLocked(deviceId, sourceMask, scanCode, &InputDevice::getScanCodeState);
+}
+
+int32_t InputReader::getSwitchState(int32_t deviceId, uint32_t sourceMask, int32_t switchCode) {
+ AutoMutex _l(mLock);
+
+ return getStateLocked(deviceId, sourceMask, switchCode, &InputDevice::getSwitchState);
+}
+
+int32_t InputReader::getStateLocked(int32_t deviceId, uint32_t sourceMask, int32_t code,
+ GetStateFunc getStateFunc) {
+ int32_t result = AKEY_STATE_UNKNOWN;
+ if (deviceId >= 0) {
+ ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
+ if (deviceIndex >= 0) {
+ InputDevice* device = mDevices.valueAt(deviceIndex);
+ if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
+ result = (device->*getStateFunc)(sourceMask, code);
+ }
+ }
+ } else {
+ size_t numDevices = mDevices.size();
+ for (size_t i = 0; i < numDevices; i++) {
+ InputDevice* device = mDevices.valueAt(i);
+ if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
+ // If any device reports AKEY_STATE_DOWN or AKEY_STATE_VIRTUAL, return that
+ // value. Otherwise, return AKEY_STATE_UP as long as one device reports it.
+ int32_t currentResult = (device->*getStateFunc)(sourceMask, code);
+ if (currentResult >= AKEY_STATE_DOWN) {
+ return currentResult;
+ } else if (currentResult == AKEY_STATE_UP) {
+ result = currentResult;
+ }
+ }
+ }
+ }
+ return result;
+}
+
+bool InputReader::hasKeys(int32_t deviceId, uint32_t sourceMask,
+ size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) {
+ AutoMutex _l(mLock);
+
+ memset(outFlags, 0, numCodes);
+ return markSupportedKeyCodesLocked(deviceId, sourceMask, numCodes, keyCodes, outFlags);
+}
+
+bool InputReader::markSupportedKeyCodesLocked(int32_t deviceId, uint32_t sourceMask,
+ size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) {
+ bool result = false;
+ if (deviceId >= 0) {
+ ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
+ if (deviceIndex >= 0) {
+ InputDevice* device = mDevices.valueAt(deviceIndex);
+ if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
+ result = device->markSupportedKeyCodes(sourceMask,
+ numCodes, keyCodes, outFlags);
+ }
+ }
+ } else {
+ size_t numDevices = mDevices.size();
+ for (size_t i = 0; i < numDevices; i++) {
+ InputDevice* device = mDevices.valueAt(i);
+ if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
+ result |= device->markSupportedKeyCodes(sourceMask,
+ numCodes, keyCodes, outFlags);
+ }
+ }
+ }
+ return result;
+}
+
+void InputReader::requestRefreshConfiguration(uint32_t changes) {
+ AutoMutex _l(mLock);
+
+ if (changes) {
+ bool needWake = !mConfigurationChangesToRefresh;
+ mConfigurationChangesToRefresh |= changes;
+
+ if (needWake) {
+ mEventHub->wake();
+ }
+ }
+}
+
+void InputReader::vibrate(int32_t deviceId, const nsecs_t* pattern, size_t patternSize,
+ ssize_t repeat, int32_t token) {
+ AutoMutex _l(mLock);
+
+ ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
+ if (deviceIndex >= 0) {
+ InputDevice* device = mDevices.valueAt(deviceIndex);
+ device->vibrate(pattern, patternSize, repeat, token);
+ }
+}
+
+void InputReader::cancelVibrate(int32_t deviceId, int32_t token) {
+ AutoMutex _l(mLock);
+
+ ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
+ if (deviceIndex >= 0) {
+ InputDevice* device = mDevices.valueAt(deviceIndex);
+ device->cancelVibrate(token);
+ }
+}
+
+void InputReader::dump(String8& dump) {
+ AutoMutex _l(mLock);
+
+ mEventHub->dump(dump);
+ dump.append("\n");
+
+ dump.append("Input Reader State:\n");
+
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ mDevices.valueAt(i)->dump(dump);
+ }
+
+ dump.append(INDENT "Configuration:\n");
+ dump.append(INDENT2 "ExcludedDeviceNames: [");
+ for (size_t i = 0; i < mConfig.excludedDeviceNames.size(); i++) {
+ if (i != 0) {
+ dump.append(", ");
+ }
+ dump.append(mConfig.excludedDeviceNames.itemAt(i).string());
+ }
+ dump.append("]\n");
+ dump.appendFormat(INDENT2 "VirtualKeyQuietTime: %0.1fms\n",
+ mConfig.virtualKeyQuietTime * 0.000001f);
+
+ dump.appendFormat(INDENT2 "PointerVelocityControlParameters: "
+ "scale=%0.3f, lowThreshold=%0.3f, highThreshold=%0.3f, acceleration=%0.3f\n",
+ mConfig.pointerVelocityControlParameters.scale,
+ mConfig.pointerVelocityControlParameters.lowThreshold,
+ mConfig.pointerVelocityControlParameters.highThreshold,
+ mConfig.pointerVelocityControlParameters.acceleration);
+
+ dump.appendFormat(INDENT2 "WheelVelocityControlParameters: "
+ "scale=%0.3f, lowThreshold=%0.3f, highThreshold=%0.3f, acceleration=%0.3f\n",
+ mConfig.wheelVelocityControlParameters.scale,
+ mConfig.wheelVelocityControlParameters.lowThreshold,
+ mConfig.wheelVelocityControlParameters.highThreshold,
+ mConfig.wheelVelocityControlParameters.acceleration);
+
+ dump.appendFormat(INDENT2 "PointerGesture:\n");
+ dump.appendFormat(INDENT3 "Enabled: %s\n",
+ toString(mConfig.pointerGesturesEnabled));
+ dump.appendFormat(INDENT3 "QuietInterval: %0.1fms\n",
+ mConfig.pointerGestureQuietInterval * 0.000001f);
+ dump.appendFormat(INDENT3 "DragMinSwitchSpeed: %0.1fpx/s\n",
+ mConfig.pointerGestureDragMinSwitchSpeed);
+ dump.appendFormat(INDENT3 "TapInterval: %0.1fms\n",
+ mConfig.pointerGestureTapInterval * 0.000001f);
+ dump.appendFormat(INDENT3 "TapDragInterval: %0.1fms\n",
+ mConfig.pointerGestureTapDragInterval * 0.000001f);
+ dump.appendFormat(INDENT3 "TapSlop: %0.1fpx\n",
+ mConfig.pointerGestureTapSlop);
+ dump.appendFormat(INDENT3 "MultitouchSettleInterval: %0.1fms\n",
+ mConfig.pointerGestureMultitouchSettleInterval * 0.000001f);
+ dump.appendFormat(INDENT3 "MultitouchMinDistance: %0.1fpx\n",
+ mConfig.pointerGestureMultitouchMinDistance);
+ dump.appendFormat(INDENT3 "SwipeTransitionAngleCosine: %0.1f\n",
+ mConfig.pointerGestureSwipeTransitionAngleCosine);
+ dump.appendFormat(INDENT3 "SwipeMaxWidthRatio: %0.1f\n",
+ mConfig.pointerGestureSwipeMaxWidthRatio);
+ dump.appendFormat(INDENT3 "MovementSpeedRatio: %0.1f\n",
+ mConfig.pointerGestureMovementSpeedRatio);
+ dump.appendFormat(INDENT3 "ZoomSpeedRatio: %0.1f\n",
+ mConfig.pointerGestureZoomSpeedRatio);
+}
+
+void InputReader::monitor() {
+ // Acquire and release the lock to ensure that the reader has not deadlocked.
+ mLock.lock();
+ mEventHub->wake();
+ mReaderIsAliveCondition.wait(mLock);
+ mLock.unlock();
+
+ // Check the EventHub
+ mEventHub->monitor();
+}
+
+
+// --- InputReader::ContextImpl ---
+
+InputReader::ContextImpl::ContextImpl(InputReader* reader) :
+ mReader(reader) {
+}
+
+void InputReader::ContextImpl::updateGlobalMetaState() {
+ // lock is already held by the input loop
+ mReader->updateGlobalMetaStateLocked();
+}
+
+int32_t InputReader::ContextImpl::getGlobalMetaState() {
+ // lock is already held by the input loop
+ return mReader->getGlobalMetaStateLocked();
+}
+
+void InputReader::ContextImpl::disableVirtualKeysUntil(nsecs_t time) {
+ // lock is already held by the input loop
+ mReader->disableVirtualKeysUntilLocked(time);
+}
+
+bool InputReader::ContextImpl::shouldDropVirtualKey(nsecs_t now,
+ InputDevice* device, int32_t keyCode, int32_t scanCode) {
+ // lock is already held by the input loop
+ return mReader->shouldDropVirtualKeyLocked(now, device, keyCode, scanCode);
+}
+
+void InputReader::ContextImpl::fadePointer() {
+ // lock is already held by the input loop
+ mReader->fadePointerLocked();
+}
+
+void InputReader::ContextImpl::requestTimeoutAtTime(nsecs_t when) {
+ // lock is already held by the input loop
+ mReader->requestTimeoutAtTimeLocked(when);
+}
+
+int32_t InputReader::ContextImpl::bumpGeneration() {
+ // lock is already held by the input loop
+ return mReader->bumpGenerationLocked();
+}
+
+InputReaderPolicyInterface* InputReader::ContextImpl::getPolicy() {
+ return mReader->mPolicy.get();
+}
+
+InputListenerInterface* InputReader::ContextImpl::getListener() {
+ return mReader->mQueuedListener.get();
+}
+
+EventHubInterface* InputReader::ContextImpl::getEventHub() {
+ return mReader->mEventHub.get();
+}
+
+
+// --- InputReaderThread ---
+
+InputReaderThread::InputReaderThread(const sp<InputReaderInterface>& reader) :
+ Thread(/*canCallJava*/ true), mReader(reader) {
+}
+
+InputReaderThread::~InputReaderThread() {
+}
+
+bool InputReaderThread::threadLoop() {
+ mReader->loopOnce();
+ return true;
+}
+
+
+// --- InputDevice ---
+
+InputDevice::InputDevice(InputReaderContext* context, int32_t id, int32_t generation,
+ int32_t controllerNumber, const InputDeviceIdentifier& identifier, uint32_t classes) :
+ mContext(context), mId(id), mGeneration(generation), mControllerNumber(controllerNumber),
+ mIdentifier(identifier), mClasses(classes),
+ mSources(0), mIsExternal(false), mDropUntilNextSync(false) {
+}
+
+InputDevice::~InputDevice() {
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ delete mMappers[i];
+ }
+ mMappers.clear();
+}
+
+void InputDevice::dump(String8& dump) {
+ InputDeviceInfo deviceInfo;
+ getDeviceInfo(& deviceInfo);
+
+ dump.appendFormat(INDENT "Device %d: %s\n", deviceInfo.getId(),
+ deviceInfo.getDisplayName().string());
+ dump.appendFormat(INDENT2 "Generation: %d\n", mGeneration);
+ dump.appendFormat(INDENT2 "IsExternal: %s\n", toString(mIsExternal));
+ dump.appendFormat(INDENT2 "Sources: 0x%08x\n", deviceInfo.getSources());
+ dump.appendFormat(INDENT2 "KeyboardType: %d\n", deviceInfo.getKeyboardType());
+
+ const Vector<InputDeviceInfo::MotionRange>& ranges = deviceInfo.getMotionRanges();
+ if (!ranges.isEmpty()) {
+ dump.append(INDENT2 "Motion Ranges:\n");
+ for (size_t i = 0; i < ranges.size(); i++) {
+ const InputDeviceInfo::MotionRange& range = ranges.itemAt(i);
+ const char* label = getAxisLabel(range.axis);
+ char name[32];
+ if (label) {
+ strncpy(name, label, sizeof(name));
+ name[sizeof(name) - 1] = '\0';
+ } else {
+ snprintf(name, sizeof(name), "%d", range.axis);
+ }
+ dump.appendFormat(INDENT3 "%s: source=0x%08x, "
+ "min=%0.3f, max=%0.3f, flat=%0.3f, fuzz=%0.3f, resolution=%0.3f\n",
+ name, range.source, range.min, range.max, range.flat, range.fuzz,
+ range.resolution);
+ }
+ }
+
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ mapper->dump(dump);
+ }
+}
+
+void InputDevice::addMapper(InputMapper* mapper) {
+ mMappers.add(mapper);
+}
+
+void InputDevice::configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes) {
+ mSources = 0;
+
+ if (!isIgnored()) {
+ if (!changes) { // first time only
+ mContext->getEventHub()->getConfiguration(mId, &mConfiguration);
+ }
+
+ if (!changes || (changes & InputReaderConfiguration::CHANGE_KEYBOARD_LAYOUTS)) {
+ if (!(mClasses & INPUT_DEVICE_CLASS_VIRTUAL)) {
+ sp<KeyCharacterMap> keyboardLayout =
+ mContext->getPolicy()->getKeyboardLayoutOverlay(mIdentifier);
+ if (mContext->getEventHub()->setKeyboardLayoutOverlay(mId, keyboardLayout)) {
+ bumpGeneration();
+ }
+ }
+ }
+
+ if (!changes || (changes & InputReaderConfiguration::CHANGE_DEVICE_ALIAS)) {
+ if (!(mClasses & INPUT_DEVICE_CLASS_VIRTUAL)) {
+ String8 alias = mContext->getPolicy()->getDeviceAlias(mIdentifier);
+ if (mAlias != alias) {
+ mAlias = alias;
+ bumpGeneration();
+ }
+ }
+ }
+
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ mapper->configure(when, config, changes);
+ mSources |= mapper->getSources();
+ }
+ }
+}
+
+void InputDevice::reset(nsecs_t when) {
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ mapper->reset(when);
+ }
+
+ mContext->updateGlobalMetaState();
+
+ notifyReset(when);
+}
+
+void InputDevice::process(const RawEvent* rawEvents, size_t count) {
+ // Process all of the events in order for each mapper.
+ // We cannot simply ask each mapper to process them in bulk because mappers may
+ // have side-effects that must be interleaved. For example, joystick movement events and
+ // gamepad button presses are handled by different mappers but they should be dispatched
+ // in the order received.
+ size_t numMappers = mMappers.size();
+ for (const RawEvent* rawEvent = rawEvents; count--; rawEvent++) {
+#if DEBUG_RAW_EVENTS
+ ALOGD("Input event: device=%d type=0x%04x code=0x%04x value=0x%08x when=%lld",
+ rawEvent->deviceId, rawEvent->type, rawEvent->code, rawEvent->value,
+ rawEvent->when);
+#endif
+
+ if (mDropUntilNextSync) {
+ if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
+ mDropUntilNextSync = false;
+#if DEBUG_RAW_EVENTS
+ ALOGD("Recovered from input event buffer overrun.");
+#endif
+ } else {
+#if DEBUG_RAW_EVENTS
+ ALOGD("Dropped input event while waiting for next input sync.");
+#endif
+ }
+ } else if (rawEvent->type == EV_SYN && rawEvent->code == SYN_DROPPED) {
+ ALOGI("Detected input event buffer overrun for device %s.", getName().string());
+ mDropUntilNextSync = true;
+ reset(rawEvent->when);
+ } else {
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ mapper->process(rawEvent);
+ }
+ }
+ }
+}
+
+void InputDevice::timeoutExpired(nsecs_t when) {
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ mapper->timeoutExpired(when);
+ }
+}
+
+void InputDevice::getDeviceInfo(InputDeviceInfo* outDeviceInfo) {
+ outDeviceInfo->initialize(mId, mGeneration, mControllerNumber, mIdentifier, mAlias,
+ mIsExternal);
+
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ mapper->populateDeviceInfo(outDeviceInfo);
+ }
+}
+
+int32_t InputDevice::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
+ return getState(sourceMask, keyCode, & InputMapper::getKeyCodeState);
+}
+
+int32_t InputDevice::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
+ return getState(sourceMask, scanCode, & InputMapper::getScanCodeState);
+}
+
+int32_t InputDevice::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
+ return getState(sourceMask, switchCode, & InputMapper::getSwitchState);
+}
+
+int32_t InputDevice::getState(uint32_t sourceMask, int32_t code, GetStateFunc getStateFunc) {
+ int32_t result = AKEY_STATE_UNKNOWN;
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ if (sourcesMatchMask(mapper->getSources(), sourceMask)) {
+ // If any mapper reports AKEY_STATE_DOWN or AKEY_STATE_VIRTUAL, return that
+ // value. Otherwise, return AKEY_STATE_UP as long as one mapper reports it.
+ int32_t currentResult = (mapper->*getStateFunc)(sourceMask, code);
+ if (currentResult >= AKEY_STATE_DOWN) {
+ return currentResult;
+ } else if (currentResult == AKEY_STATE_UP) {
+ result = currentResult;
+ }
+ }
+ }
+ return result;
+}
+
+bool InputDevice::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) {
+ bool result = false;
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ if (sourcesMatchMask(mapper->getSources(), sourceMask)) {
+ result |= mapper->markSupportedKeyCodes(sourceMask, numCodes, keyCodes, outFlags);
+ }
+ }
+ return result;
+}
+
+void InputDevice::vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat,
+ int32_t token) {
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ mapper->vibrate(pattern, patternSize, repeat, token);
+ }
+}
+
+void InputDevice::cancelVibrate(int32_t token) {
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ mapper->cancelVibrate(token);
+ }
+}
+
+int32_t InputDevice::getMetaState() {
+ int32_t result = 0;
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ result |= mapper->getMetaState();
+ }
+ return result;
+}
+
+void InputDevice::fadePointer() {
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ mapper->fadePointer();
+ }
+}
+
+void InputDevice::bumpGeneration() {
+ mGeneration = mContext->bumpGeneration();
+}
+
+void InputDevice::notifyReset(nsecs_t when) {
+ NotifyDeviceResetArgs args(when, mId);
+ mContext->getListener()->notifyDeviceReset(&args);
+}
+
+
+// --- CursorButtonAccumulator ---
+
+CursorButtonAccumulator::CursorButtonAccumulator() {
+ clearButtons();
+}
+
+void CursorButtonAccumulator::reset(InputDevice* device) {
+ mBtnLeft = device->isKeyPressed(BTN_LEFT);
+ mBtnRight = device->isKeyPressed(BTN_RIGHT);
+ mBtnMiddle = device->isKeyPressed(BTN_MIDDLE);
+ mBtnBack = device->isKeyPressed(BTN_BACK);
+ mBtnSide = device->isKeyPressed(BTN_SIDE);
+ mBtnForward = device->isKeyPressed(BTN_FORWARD);
+ mBtnExtra = device->isKeyPressed(BTN_EXTRA);
+ mBtnTask = device->isKeyPressed(BTN_TASK);
+}
+
+void CursorButtonAccumulator::clearButtons() {
+ mBtnLeft = 0;
+ mBtnRight = 0;
+ mBtnMiddle = 0;
+ mBtnBack = 0;
+ mBtnSide = 0;
+ mBtnForward = 0;
+ mBtnExtra = 0;
+ mBtnTask = 0;
+}
+
+void CursorButtonAccumulator::process(const RawEvent* rawEvent) {
+ if (rawEvent->type == EV_KEY) {
+ switch (rawEvent->code) {
+ case BTN_LEFT:
+ mBtnLeft = rawEvent->value;
+ break;
+ case BTN_RIGHT:
+ mBtnRight = rawEvent->value;
+ break;
+ case BTN_MIDDLE:
+ mBtnMiddle = rawEvent->value;
+ break;
+ case BTN_BACK:
+ mBtnBack = rawEvent->value;
+ break;
+ case BTN_SIDE:
+ mBtnSide = rawEvent->value;
+ break;
+ case BTN_FORWARD:
+ mBtnForward = rawEvent->value;
+ break;
+ case BTN_EXTRA:
+ mBtnExtra = rawEvent->value;
+ break;
+ case BTN_TASK:
+ mBtnTask = rawEvent->value;
+ break;
+ }
+ }
+}
+
+uint32_t CursorButtonAccumulator::getButtonState() const {
+ uint32_t result = 0;
+ if (mBtnLeft) {
+ result |= AMOTION_EVENT_BUTTON_PRIMARY;
+ }
+ if (mBtnRight) {
+ result |= AMOTION_EVENT_BUTTON_SECONDARY;
+ }
+ if (mBtnMiddle) {
+ result |= AMOTION_EVENT_BUTTON_TERTIARY;
+ }
+ if (mBtnBack || mBtnSide) {
+ result |= AMOTION_EVENT_BUTTON_BACK;
+ }
+ if (mBtnForward || mBtnExtra) {
+ result |= AMOTION_EVENT_BUTTON_FORWARD;
+ }
+ return result;
+}
+
+
+// --- CursorMotionAccumulator ---
+
+CursorMotionAccumulator::CursorMotionAccumulator() {
+ clearRelativeAxes();
+}
+
+void CursorMotionAccumulator::reset(InputDevice* device) {
+ clearRelativeAxes();
+}
+
+void CursorMotionAccumulator::clearRelativeAxes() {
+ mRelX = 0;
+ mRelY = 0;
+}
+
+void CursorMotionAccumulator::process(const RawEvent* rawEvent) {
+ if (rawEvent->type == EV_REL) {
+ switch (rawEvent->code) {
+ case REL_X:
+ mRelX = rawEvent->value;
+ break;
+ case REL_Y:
+ mRelY = rawEvent->value;
+ break;
+ }
+ }
+}
+
+void CursorMotionAccumulator::finishSync() {
+ clearRelativeAxes();
+}
+
+
+// --- CursorScrollAccumulator ---
+
+CursorScrollAccumulator::CursorScrollAccumulator() :
+ mHaveRelWheel(false), mHaveRelHWheel(false) {
+ clearRelativeAxes();
+}
+
+void CursorScrollAccumulator::configure(InputDevice* device) {
+ mHaveRelWheel = device->getEventHub()->hasRelativeAxis(device->getId(), REL_WHEEL);
+ mHaveRelHWheel = device->getEventHub()->hasRelativeAxis(device->getId(), REL_HWHEEL);
+}
+
+void CursorScrollAccumulator::reset(InputDevice* device) {
+ clearRelativeAxes();
+}
+
+void CursorScrollAccumulator::clearRelativeAxes() {
+ mRelWheel = 0;
+ mRelHWheel = 0;
+}
+
+void CursorScrollAccumulator::process(const RawEvent* rawEvent) {
+ if (rawEvent->type == EV_REL) {
+ switch (rawEvent->code) {
+ case REL_WHEEL:
+ mRelWheel = rawEvent->value;
+ break;
+ case REL_HWHEEL:
+ mRelHWheel = rawEvent->value;
+ break;
+ }
+ }
+}
+
+void CursorScrollAccumulator::finishSync() {
+ clearRelativeAxes();
+}
+
+
+// --- TouchButtonAccumulator ---
+
+TouchButtonAccumulator::TouchButtonAccumulator() :
+ mHaveBtnTouch(false), mHaveStylus(false) {
+ clearButtons();
+}
+
+void TouchButtonAccumulator::configure(InputDevice* device) {
+ mHaveBtnTouch = device->hasKey(BTN_TOUCH);
+ mHaveStylus = device->hasKey(BTN_TOOL_PEN)
+ || device->hasKey(BTN_TOOL_RUBBER)
+ || device->hasKey(BTN_TOOL_BRUSH)
+ || device->hasKey(BTN_TOOL_PENCIL)
+ || device->hasKey(BTN_TOOL_AIRBRUSH);
+}
+
+void TouchButtonAccumulator::reset(InputDevice* device) {
+ mBtnTouch = device->isKeyPressed(BTN_TOUCH);
+ mBtnStylus = device->isKeyPressed(BTN_STYLUS);
+ mBtnStylus2 = device->isKeyPressed(BTN_STYLUS);
+ mBtnToolFinger = device->isKeyPressed(BTN_TOOL_FINGER);
+ mBtnToolPen = device->isKeyPressed(BTN_TOOL_PEN);
+ mBtnToolRubber = device->isKeyPressed(BTN_TOOL_RUBBER);
+ mBtnToolBrush = device->isKeyPressed(BTN_TOOL_BRUSH);
+ mBtnToolPencil = device->isKeyPressed(BTN_TOOL_PENCIL);
+ mBtnToolAirbrush = device->isKeyPressed(BTN_TOOL_AIRBRUSH);
+ mBtnToolMouse = device->isKeyPressed(BTN_TOOL_MOUSE);
+ mBtnToolLens = device->isKeyPressed(BTN_TOOL_LENS);
+ mBtnToolDoubleTap = device->isKeyPressed(BTN_TOOL_DOUBLETAP);
+ mBtnToolTripleTap = device->isKeyPressed(BTN_TOOL_TRIPLETAP);
+ mBtnToolQuadTap = device->isKeyPressed(BTN_TOOL_QUADTAP);
+}
+
+void TouchButtonAccumulator::clearButtons() {
+ mBtnTouch = 0;
+ mBtnStylus = 0;
+ mBtnStylus2 = 0;
+ mBtnToolFinger = 0;
+ mBtnToolPen = 0;
+ mBtnToolRubber = 0;
+ mBtnToolBrush = 0;
+ mBtnToolPencil = 0;
+ mBtnToolAirbrush = 0;
+ mBtnToolMouse = 0;
+ mBtnToolLens = 0;
+ mBtnToolDoubleTap = 0;
+ mBtnToolTripleTap = 0;
+ mBtnToolQuadTap = 0;
+}
+
+void TouchButtonAccumulator::process(const RawEvent* rawEvent) {
+ if (rawEvent->type == EV_KEY) {
+ switch (rawEvent->code) {
+ case BTN_TOUCH:
+ mBtnTouch = rawEvent->value;
+ break;
+ case BTN_STYLUS:
+ mBtnStylus = rawEvent->value;
+ break;
+ case BTN_STYLUS2:
+ mBtnStylus2 = rawEvent->value;
+ break;
+ case BTN_TOOL_FINGER:
+ mBtnToolFinger = rawEvent->value;
+ break;
+ case BTN_TOOL_PEN:
+ mBtnToolPen = rawEvent->value;
+ break;
+ case BTN_TOOL_RUBBER:
+ mBtnToolRubber = rawEvent->value;
+ break;
+ case BTN_TOOL_BRUSH:
+ mBtnToolBrush = rawEvent->value;
+ break;
+ case BTN_TOOL_PENCIL:
+ mBtnToolPencil = rawEvent->value;
+ break;
+ case BTN_TOOL_AIRBRUSH:
+ mBtnToolAirbrush = rawEvent->value;
+ break;
+ case BTN_TOOL_MOUSE:
+ mBtnToolMouse = rawEvent->value;
+ break;
+ case BTN_TOOL_LENS:
+ mBtnToolLens = rawEvent->value;
+ break;
+ case BTN_TOOL_DOUBLETAP:
+ mBtnToolDoubleTap = rawEvent->value;
+ break;
+ case BTN_TOOL_TRIPLETAP:
+ mBtnToolTripleTap = rawEvent->value;
+ break;
+ case BTN_TOOL_QUADTAP:
+ mBtnToolQuadTap = rawEvent->value;
+ break;
+ }
+ }
+}
+
+uint32_t TouchButtonAccumulator::getButtonState() const {
+ uint32_t result = 0;
+ if (mBtnStylus) {
+ result |= AMOTION_EVENT_BUTTON_SECONDARY;
+ }
+ if (mBtnStylus2) {
+ result |= AMOTION_EVENT_BUTTON_TERTIARY;
+ }
+ return result;
+}
+
+int32_t TouchButtonAccumulator::getToolType() const {
+ if (mBtnToolMouse || mBtnToolLens) {
+ return AMOTION_EVENT_TOOL_TYPE_MOUSE;
+ }
+ if (mBtnToolRubber) {
+ return AMOTION_EVENT_TOOL_TYPE_ERASER;
+ }
+ if (mBtnToolPen || mBtnToolBrush || mBtnToolPencil || mBtnToolAirbrush) {
+ return AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ }
+ if (mBtnToolFinger || mBtnToolDoubleTap || mBtnToolTripleTap || mBtnToolQuadTap) {
+ return AMOTION_EVENT_TOOL_TYPE_FINGER;
+ }
+ return AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
+}
+
+bool TouchButtonAccumulator::isToolActive() const {
+ return mBtnTouch || mBtnToolFinger || mBtnToolPen || mBtnToolRubber
+ || mBtnToolBrush || mBtnToolPencil || mBtnToolAirbrush
+ || mBtnToolMouse || mBtnToolLens
+ || mBtnToolDoubleTap || mBtnToolTripleTap || mBtnToolQuadTap;
+}
+
+bool TouchButtonAccumulator::isHovering() const {
+ return mHaveBtnTouch && !mBtnTouch;
+}
+
+bool TouchButtonAccumulator::hasStylus() const {
+ return mHaveStylus;
+}
+
+
+// --- RawPointerAxes ---
+
+RawPointerAxes::RawPointerAxes() {
+ clear();
+}
+
+void RawPointerAxes::clear() {
+ x.clear();
+ y.clear();
+ pressure.clear();
+ touchMajor.clear();
+ touchMinor.clear();
+ toolMajor.clear();
+ toolMinor.clear();
+ orientation.clear();
+ distance.clear();
+ tiltX.clear();
+ tiltY.clear();
+ trackingId.clear();
+ slot.clear();
+}
+
+
+// --- RawPointerData ---
+
+RawPointerData::RawPointerData() {
+ clear();
+}
+
+void RawPointerData::clear() {
+ pointerCount = 0;
+ clearIdBits();
+}
+
+void RawPointerData::copyFrom(const RawPointerData& other) {
+ pointerCount = other.pointerCount;
+ hoveringIdBits = other.hoveringIdBits;
+ touchingIdBits = other.touchingIdBits;
+
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ pointers[i] = other.pointers[i];
+
+ int id = pointers[i].id;
+ idToIndex[id] = other.idToIndex[id];
+ }
+}
+
+void RawPointerData::getCentroidOfTouchingPointers(float* outX, float* outY) const {
+ float x = 0, y = 0;
+ uint32_t count = touchingIdBits.count();
+ if (count) {
+ for (BitSet32 idBits(touchingIdBits); !idBits.isEmpty(); ) {
+ uint32_t id = idBits.clearFirstMarkedBit();
+ const Pointer& pointer = pointerForId(id);
+ x += pointer.x;
+ y += pointer.y;
+ }
+ x /= count;
+ y /= count;
+ }
+ *outX = x;
+ *outY = y;
+}
+
+
+// --- CookedPointerData ---
+
+CookedPointerData::CookedPointerData() {
+ clear();
+}
+
+void CookedPointerData::clear() {
+ pointerCount = 0;
+ hoveringIdBits.clear();
+ touchingIdBits.clear();
+}
+
+void CookedPointerData::copyFrom(const CookedPointerData& other) {
+ pointerCount = other.pointerCount;
+ hoveringIdBits = other.hoveringIdBits;
+ touchingIdBits = other.touchingIdBits;
+
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ pointerProperties[i].copyFrom(other.pointerProperties[i]);
+ pointerCoords[i].copyFrom(other.pointerCoords[i]);
+
+ int id = pointerProperties[i].id;
+ idToIndex[id] = other.idToIndex[id];
+ }
+}
+
+
+// --- SingleTouchMotionAccumulator ---
+
+SingleTouchMotionAccumulator::SingleTouchMotionAccumulator() {
+ clearAbsoluteAxes();
+}
+
+void SingleTouchMotionAccumulator::reset(InputDevice* device) {
+ mAbsX = device->getAbsoluteAxisValue(ABS_X);
+ mAbsY = device->getAbsoluteAxisValue(ABS_Y);
+ mAbsPressure = device->getAbsoluteAxisValue(ABS_PRESSURE);
+ mAbsToolWidth = device->getAbsoluteAxisValue(ABS_TOOL_WIDTH);
+ mAbsDistance = device->getAbsoluteAxisValue(ABS_DISTANCE);
+ mAbsTiltX = device->getAbsoluteAxisValue(ABS_TILT_X);
+ mAbsTiltY = device->getAbsoluteAxisValue(ABS_TILT_Y);
+}
+
+void SingleTouchMotionAccumulator::clearAbsoluteAxes() {
+ mAbsX = 0;
+ mAbsY = 0;
+ mAbsPressure = 0;
+ mAbsToolWidth = 0;
+ mAbsDistance = 0;
+ mAbsTiltX = 0;
+ mAbsTiltY = 0;
+}
+
+void SingleTouchMotionAccumulator::process(const RawEvent* rawEvent) {
+ if (rawEvent->type == EV_ABS) {
+ switch (rawEvent->code) {
+ case ABS_X:
+ mAbsX = rawEvent->value;
+ break;
+ case ABS_Y:
+ mAbsY = rawEvent->value;
+ break;
+ case ABS_PRESSURE:
+ mAbsPressure = rawEvent->value;
+ break;
+ case ABS_TOOL_WIDTH:
+ mAbsToolWidth = rawEvent->value;
+ break;
+ case ABS_DISTANCE:
+ mAbsDistance = rawEvent->value;
+ break;
+ case ABS_TILT_X:
+ mAbsTiltX = rawEvent->value;
+ break;
+ case ABS_TILT_Y:
+ mAbsTiltY = rawEvent->value;
+ break;
+ }
+ }
+}
+
+
+// --- MultiTouchMotionAccumulator ---
+
+MultiTouchMotionAccumulator::MultiTouchMotionAccumulator() :
+ mCurrentSlot(-1), mSlots(NULL), mSlotCount(0), mUsingSlotsProtocol(false),
+ mHaveStylus(false) {
+}
+
+MultiTouchMotionAccumulator::~MultiTouchMotionAccumulator() {
+ delete[] mSlots;
+}
+
+void MultiTouchMotionAccumulator::configure(InputDevice* device,
+ size_t slotCount, bool usingSlotsProtocol) {
+ mSlotCount = slotCount;
+ mUsingSlotsProtocol = usingSlotsProtocol;
+ mHaveStylus = device->hasAbsoluteAxis(ABS_MT_TOOL_TYPE);
+
+ delete[] mSlots;
+ mSlots = new Slot[slotCount];
+}
+
+void MultiTouchMotionAccumulator::reset(InputDevice* device) {
+ // Unfortunately there is no way to read the initial contents of the slots.
+ // So when we reset the accumulator, we must assume they are all zeroes.
+ if (mUsingSlotsProtocol) {
+ // Query the driver for the current slot index and use it as the initial slot
+ // before we start reading events from the device. It is possible that the
+ // current slot index will not be the same as it was when the first event was
+ // written into the evdev buffer, which means the input mapper could start
+ // out of sync with the initial state of the events in the evdev buffer.
+ // In the extremely unlikely case that this happens, the data from
+ // two slots will be confused until the next ABS_MT_SLOT event is received.
+ // This can cause the touch point to "jump", but at least there will be
+ // no stuck touches.
+ int32_t initialSlot;
+ status_t status = device->getEventHub()->getAbsoluteAxisValue(device->getId(),
+ ABS_MT_SLOT, &initialSlot);
+ if (status) {
+ ALOGD("Could not retrieve current multitouch slot index. status=%d", status);
+ initialSlot = -1;
+ }
+ clearSlots(initialSlot);
+ } else {
+ clearSlots(-1);
+ }
+}
+
+void MultiTouchMotionAccumulator::clearSlots(int32_t initialSlot) {
+ if (mSlots) {
+ for (size_t i = 0; i < mSlotCount; i++) {
+ mSlots[i].clear();
+ }
+ }
+ mCurrentSlot = initialSlot;
+}
+
+void MultiTouchMotionAccumulator::process(const RawEvent* rawEvent) {
+ if (rawEvent->type == EV_ABS) {
+ bool newSlot = false;
+ if (mUsingSlotsProtocol) {
+ if (rawEvent->code == ABS_MT_SLOT) {
+ mCurrentSlot = rawEvent->value;
+ newSlot = true;
+ }
+ } else if (mCurrentSlot < 0) {
+ mCurrentSlot = 0;
+ }
+
+ if (mCurrentSlot < 0 || size_t(mCurrentSlot) >= mSlotCount) {
+#if DEBUG_POINTERS
+ if (newSlot) {
+ ALOGW("MultiTouch device emitted invalid slot index %d but it "
+ "should be between 0 and %d; ignoring this slot.",
+ mCurrentSlot, mSlotCount - 1);
+ }
+#endif
+ } else {
+ Slot* slot = &mSlots[mCurrentSlot];
+
+ switch (rawEvent->code) {
+ case ABS_MT_POSITION_X:
+ slot->mInUse = true;
+ slot->mAbsMTPositionX = rawEvent->value;
+ break;
+ case ABS_MT_POSITION_Y:
+ slot->mInUse = true;
+ slot->mAbsMTPositionY = rawEvent->value;
+ break;
+ case ABS_MT_TOUCH_MAJOR:
+ slot->mInUse = true;
+ slot->mAbsMTTouchMajor = rawEvent->value;
+ break;
+ case ABS_MT_TOUCH_MINOR:
+ slot->mInUse = true;
+ slot->mAbsMTTouchMinor = rawEvent->value;
+ slot->mHaveAbsMTTouchMinor = true;
+ break;
+ case ABS_MT_WIDTH_MAJOR:
+ slot->mInUse = true;
+ slot->mAbsMTWidthMajor = rawEvent->value;
+ break;
+ case ABS_MT_WIDTH_MINOR:
+ slot->mInUse = true;
+ slot->mAbsMTWidthMinor = rawEvent->value;
+ slot->mHaveAbsMTWidthMinor = true;
+ break;
+ case ABS_MT_ORIENTATION:
+ slot->mInUse = true;
+ slot->mAbsMTOrientation = rawEvent->value;
+ break;
+ case ABS_MT_TRACKING_ID:
+ if (mUsingSlotsProtocol && rawEvent->value < 0) {
+ // The slot is no longer in use but it retains its previous contents,
+ // which may be reused for subsequent touches.
+ slot->mInUse = false;
+ } else {
+ slot->mInUse = true;
+ slot->mAbsMTTrackingId = rawEvent->value;
+ }
+ break;
+ case ABS_MT_PRESSURE:
+ slot->mInUse = true;
+ slot->mAbsMTPressure = rawEvent->value;
+ break;
+ case ABS_MT_DISTANCE:
+ slot->mInUse = true;
+ slot->mAbsMTDistance = rawEvent->value;
+ break;
+ case ABS_MT_TOOL_TYPE:
+ slot->mInUse = true;
+ slot->mAbsMTToolType = rawEvent->value;
+ slot->mHaveAbsMTToolType = true;
+ break;
+ }
+ }
+ } else if (rawEvent->type == EV_SYN && rawEvent->code == SYN_MT_REPORT) {
+ // MultiTouch Sync: The driver has returned all data for *one* of the pointers.
+ mCurrentSlot += 1;
+ }
+}
+
+void MultiTouchMotionAccumulator::finishSync() {
+ if (!mUsingSlotsProtocol) {
+ clearSlots(-1);
+ }
+}
+
+bool MultiTouchMotionAccumulator::hasStylus() const {
+ return mHaveStylus;
+}
+
+
+// --- MultiTouchMotionAccumulator::Slot ---
+
+MultiTouchMotionAccumulator::Slot::Slot() {
+ clear();
+}
+
+void MultiTouchMotionAccumulator::Slot::clear() {
+ mInUse = false;
+ mHaveAbsMTTouchMinor = false;
+ mHaveAbsMTWidthMinor = false;
+ mHaveAbsMTToolType = false;
+ mAbsMTPositionX = 0;
+ mAbsMTPositionY = 0;
+ mAbsMTTouchMajor = 0;
+ mAbsMTTouchMinor = 0;
+ mAbsMTWidthMajor = 0;
+ mAbsMTWidthMinor = 0;
+ mAbsMTOrientation = 0;
+ mAbsMTTrackingId = -1;
+ mAbsMTPressure = 0;
+ mAbsMTDistance = 0;
+ mAbsMTToolType = 0;
+}
+
+int32_t MultiTouchMotionAccumulator::Slot::getToolType() const {
+ if (mHaveAbsMTToolType) {
+ switch (mAbsMTToolType) {
+ case MT_TOOL_FINGER:
+ return AMOTION_EVENT_TOOL_TYPE_FINGER;
+ case MT_TOOL_PEN:
+ return AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ }
+ }
+ return AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
+}
+
+
+// --- InputMapper ---
+
+InputMapper::InputMapper(InputDevice* device) :
+ mDevice(device), mContext(device->getContext()) {
+}
+
+InputMapper::~InputMapper() {
+}
+
+void InputMapper::populateDeviceInfo(InputDeviceInfo* info) {
+ info->addSource(getSources());
+}
+
+void InputMapper::dump(String8& dump) {
+}
+
+void InputMapper::configure(nsecs_t when,
+ const InputReaderConfiguration* config, uint32_t changes) {
+}
+
+void InputMapper::reset(nsecs_t when) {
+}
+
+void InputMapper::timeoutExpired(nsecs_t when) {
+}
+
+int32_t InputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
+ return AKEY_STATE_UNKNOWN;
+}
+
+int32_t InputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
+ return AKEY_STATE_UNKNOWN;
+}
+
+int32_t InputMapper::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
+ return AKEY_STATE_UNKNOWN;
+}
+
+bool InputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) {
+ return false;
+}
+
+void InputMapper::vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat,
+ int32_t token) {
+}
+
+void InputMapper::cancelVibrate(int32_t token) {
+}
+
+int32_t InputMapper::getMetaState() {
+ return 0;
+}
+
+void InputMapper::fadePointer() {
+}
+
+status_t InputMapper::getAbsoluteAxisInfo(int32_t axis, RawAbsoluteAxisInfo* axisInfo) {
+ return getEventHub()->getAbsoluteAxisInfo(getDeviceId(), axis, axisInfo);
+}
+
+void InputMapper::bumpGeneration() {
+ mDevice->bumpGeneration();
+}
+
+void InputMapper::dumpRawAbsoluteAxisInfo(String8& dump,
+ const RawAbsoluteAxisInfo& axis, const char* name) {
+ if (axis.valid) {
+ dump.appendFormat(INDENT4 "%s: min=%d, max=%d, flat=%d, fuzz=%d, resolution=%d\n",
+ name, axis.minValue, axis.maxValue, axis.flat, axis.fuzz, axis.resolution);
+ } else {
+ dump.appendFormat(INDENT4 "%s: unknown range\n", name);
+ }
+}
+
+
+// --- SwitchInputMapper ---
+
+SwitchInputMapper::SwitchInputMapper(InputDevice* device) :
+ InputMapper(device), mUpdatedSwitchValues(0), mUpdatedSwitchMask(0) {
+}
+
+SwitchInputMapper::~SwitchInputMapper() {
+}
+
+uint32_t SwitchInputMapper::getSources() {
+ return AINPUT_SOURCE_SWITCH;
+}
+
+void SwitchInputMapper::process(const RawEvent* rawEvent) {
+ switch (rawEvent->type) {
+ case EV_SW:
+ processSwitch(rawEvent->code, rawEvent->value);
+ break;
+
+ case EV_SYN:
+ if (rawEvent->code == SYN_REPORT) {
+ sync(rawEvent->when);
+ }
+ }
+}
+
+void SwitchInputMapper::processSwitch(int32_t switchCode, int32_t switchValue) {
+ if (switchCode >= 0 && switchCode < 32) {
+ if (switchValue) {
+ mUpdatedSwitchValues |= 1 << switchCode;
+ }
+ mUpdatedSwitchMask |= 1 << switchCode;
+ }
+}
+
+void SwitchInputMapper::sync(nsecs_t when) {
+ if (mUpdatedSwitchMask) {
+ NotifySwitchArgs args(when, 0, mUpdatedSwitchValues, mUpdatedSwitchMask);
+ getListener()->notifySwitch(&args);
+
+ mUpdatedSwitchValues = 0;
+ mUpdatedSwitchMask = 0;
+ }
+}
+
+int32_t SwitchInputMapper::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
+ return getEventHub()->getSwitchState(getDeviceId(), switchCode);
+}
+
+
+// --- VibratorInputMapper ---
+
+VibratorInputMapper::VibratorInputMapper(InputDevice* device) :
+ InputMapper(device), mVibrating(false) {
+}
+
+VibratorInputMapper::~VibratorInputMapper() {
+}
+
+uint32_t VibratorInputMapper::getSources() {
+ return 0;
+}
+
+void VibratorInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
+ InputMapper::populateDeviceInfo(info);
+
+ info->setVibrator(true);
+}
+
+void VibratorInputMapper::process(const RawEvent* rawEvent) {
+ // TODO: Handle FF_STATUS, although it does not seem to be widely supported.
+}
+
+void VibratorInputMapper::vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat,
+ int32_t token) {
+#if DEBUG_VIBRATOR
+ String8 patternStr;
+ for (size_t i = 0; i < patternSize; i++) {
+ if (i != 0) {
+ patternStr.append(", ");
+ }
+ patternStr.appendFormat("%lld", pattern[i]);
+ }
+ ALOGD("vibrate: deviceId=%d, pattern=[%s], repeat=%ld, token=%d",
+ getDeviceId(), patternStr.string(), repeat, token);
+#endif
+
+ mVibrating = true;
+ memcpy(mPattern, pattern, patternSize * sizeof(nsecs_t));
+ mPatternSize = patternSize;
+ mRepeat = repeat;
+ mToken = token;
+ mIndex = -1;
+
+ nextStep();
+}
+
+void VibratorInputMapper::cancelVibrate(int32_t token) {
+#if DEBUG_VIBRATOR
+ ALOGD("cancelVibrate: deviceId=%d, token=%d", getDeviceId(), token);
+#endif
+
+ if (mVibrating && mToken == token) {
+ stopVibrating();
+ }
+}
+
+void VibratorInputMapper::timeoutExpired(nsecs_t when) {
+ if (mVibrating) {
+ if (when >= mNextStepTime) {
+ nextStep();
+ } else {
+ getContext()->requestTimeoutAtTime(mNextStepTime);
+ }
+ }
+}
+
+void VibratorInputMapper::nextStep() {
+ mIndex += 1;
+ if (size_t(mIndex) >= mPatternSize) {
+ if (mRepeat < 0) {
+ // We are done.
+ stopVibrating();
+ return;
+ }
+ mIndex = mRepeat;
+ }
+
+ bool vibratorOn = mIndex & 1;
+ nsecs_t duration = mPattern[mIndex];
+ if (vibratorOn) {
+#if DEBUG_VIBRATOR
+ ALOGD("nextStep: sending vibrate deviceId=%d, duration=%lld",
+ getDeviceId(), duration);
+#endif
+ getEventHub()->vibrate(getDeviceId(), duration);
+ } else {
+#if DEBUG_VIBRATOR
+ ALOGD("nextStep: sending cancel vibrate deviceId=%d", getDeviceId());
+#endif
+ getEventHub()->cancelVibrate(getDeviceId());
+ }
+ nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
+ mNextStepTime = now + duration;
+ getContext()->requestTimeoutAtTime(mNextStepTime);
+#if DEBUG_VIBRATOR
+ ALOGD("nextStep: scheduled timeout in %0.3fms", duration * 0.000001f);
+#endif
+}
+
+void VibratorInputMapper::stopVibrating() {
+ mVibrating = false;
+#if DEBUG_VIBRATOR
+ ALOGD("stopVibrating: sending cancel vibrate deviceId=%d", getDeviceId());
+#endif
+ getEventHub()->cancelVibrate(getDeviceId());
+}
+
+void VibratorInputMapper::dump(String8& dump) {
+ dump.append(INDENT2 "Vibrator Input Mapper:\n");
+ dump.appendFormat(INDENT3 "Vibrating: %s\n", toString(mVibrating));
+}
+
+
+// --- KeyboardInputMapper ---
+
+KeyboardInputMapper::KeyboardInputMapper(InputDevice* device,
+ uint32_t source, int32_t keyboardType) :
+ InputMapper(device), mSource(source),
+ mKeyboardType(keyboardType) {
+}
+
+KeyboardInputMapper::~KeyboardInputMapper() {
+}
+
+uint32_t KeyboardInputMapper::getSources() {
+ return mSource;
+}
+
+void KeyboardInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
+ InputMapper::populateDeviceInfo(info);
+
+ info->setKeyboardType(mKeyboardType);
+ info->setKeyCharacterMap(getEventHub()->getKeyCharacterMap(getDeviceId()));
+}
+
+void KeyboardInputMapper::dump(String8& dump) {
+ dump.append(INDENT2 "Keyboard Input Mapper:\n");
+ dumpParameters(dump);
+ dump.appendFormat(INDENT3 "KeyboardType: %d\n", mKeyboardType);
+ dump.appendFormat(INDENT3 "Orientation: %d\n", mOrientation);
+ dump.appendFormat(INDENT3 "KeyDowns: %d keys currently down\n", mKeyDowns.size());
+ dump.appendFormat(INDENT3 "MetaState: 0x%0x\n", mMetaState);
+ dump.appendFormat(INDENT3 "DownTime: %lld\n", mDownTime);
+}
+
+
+void KeyboardInputMapper::configure(nsecs_t when,
+ const InputReaderConfiguration* config, uint32_t changes) {
+ InputMapper::configure(when, config, changes);
+
+ if (!changes) { // first time only
+ // Configure basic parameters.
+ configureParameters();
+ }
+
+ if (!changes || (changes & InputReaderConfiguration::CHANGE_DISPLAY_INFO)) {
+ if (mParameters.orientationAware && mParameters.hasAssociatedDisplay) {
+ DisplayViewport v;
+ if (config->getDisplayInfo(false /*external*/, &v)) {
+ mOrientation = v.orientation;
+ } else {
+ mOrientation = DISPLAY_ORIENTATION_0;
+ }
+ } else {
+ mOrientation = DISPLAY_ORIENTATION_0;
+ }
+ }
+}
+
+void KeyboardInputMapper::configureParameters() {
+ mParameters.orientationAware = false;
+ getDevice()->getConfiguration().tryGetProperty(String8("keyboard.orientationAware"),
+ mParameters.orientationAware);
+
+ mParameters.hasAssociatedDisplay = false;
+ if (mParameters.orientationAware) {
+ mParameters.hasAssociatedDisplay = true;
+ }
+}
+
+void KeyboardInputMapper::dumpParameters(String8& dump) {
+ dump.append(INDENT3 "Parameters:\n");
+ dump.appendFormat(INDENT4 "HasAssociatedDisplay: %s\n",
+ toString(mParameters.hasAssociatedDisplay));
+ dump.appendFormat(INDENT4 "OrientationAware: %s\n",
+ toString(mParameters.orientationAware));
+}
+
+void KeyboardInputMapper::reset(nsecs_t when) {
+ mMetaState = AMETA_NONE;
+ mDownTime = 0;
+ mKeyDowns.clear();
+ mCurrentHidUsage = 0;
+
+ resetLedState();
+
+ InputMapper::reset(when);
+}
+
+void KeyboardInputMapper::process(const RawEvent* rawEvent) {
+ switch (rawEvent->type) {
+ case EV_KEY: {
+ int32_t scanCode = rawEvent->code;
+ int32_t usageCode = mCurrentHidUsage;
+ mCurrentHidUsage = 0;
+
+ if (isKeyboardOrGamepadKey(scanCode)) {
+ int32_t keyCode;
+ uint32_t flags;
+ if (getEventHub()->mapKey(getDeviceId(), scanCode, usageCode, &keyCode, &flags)) {
+ keyCode = AKEYCODE_UNKNOWN;
+ flags = 0;
+ }
+ processKey(rawEvent->when, rawEvent->value != 0, keyCode, scanCode, flags);
+ }
+ break;
+ }
+ case EV_MSC: {
+ if (rawEvent->code == MSC_SCAN) {
+ mCurrentHidUsage = rawEvent->value;
+ }
+ break;
+ }
+ case EV_SYN: {
+ if (rawEvent->code == SYN_REPORT) {
+ mCurrentHidUsage = 0;
+ }
+ }
+ }
+}
+
+bool KeyboardInputMapper::isKeyboardOrGamepadKey(int32_t scanCode) {
+ return scanCode < BTN_MOUSE
+ || scanCode >= KEY_OK
+ || (scanCode >= BTN_MISC && scanCode < BTN_MOUSE)
+ || (scanCode >= BTN_JOYSTICK && scanCode < BTN_DIGI);
+}
+
+void KeyboardInputMapper::processKey(nsecs_t when, bool down, int32_t keyCode,
+ int32_t scanCode, uint32_t policyFlags) {
+
+ if (down) {
+ // Rotate key codes according to orientation if needed.
+ if (mParameters.orientationAware && mParameters.hasAssociatedDisplay) {
+ keyCode = rotateKeyCode(keyCode, mOrientation);
+ }
+
+ // Add key down.
+ ssize_t keyDownIndex = findKeyDown(scanCode);
+ if (keyDownIndex >= 0) {
+ // key repeat, be sure to use same keycode as before in case of rotation
+ keyCode = mKeyDowns.itemAt(keyDownIndex).keyCode;
+ } else {
+ // key down
+ if ((policyFlags & POLICY_FLAG_VIRTUAL)
+ && mContext->shouldDropVirtualKey(when,
+ getDevice(), keyCode, scanCode)) {
+ return;
+ }
+
+ mKeyDowns.push();
+ KeyDown& keyDown = mKeyDowns.editTop();
+ keyDown.keyCode = keyCode;
+ keyDown.scanCode = scanCode;
+ }
+
+ mDownTime = when;
+ } else {
+ // Remove key down.
+ ssize_t keyDownIndex = findKeyDown(scanCode);
+ if (keyDownIndex >= 0) {
+ // key up, be sure to use same keycode as before in case of rotation
+ keyCode = mKeyDowns.itemAt(keyDownIndex).keyCode;
+ mKeyDowns.removeAt(size_t(keyDownIndex));
+ } else {
+ // key was not actually down
+ ALOGI("Dropping key up from device %s because the key was not down. "
+ "keyCode=%d, scanCode=%d",
+ getDeviceName().string(), keyCode, scanCode);
+ return;
+ }
+ }
+
+ int32_t oldMetaState = mMetaState;
+ int32_t newMetaState = updateMetaState(keyCode, down, oldMetaState);
+ bool metaStateChanged = oldMetaState != newMetaState;
+ if (metaStateChanged) {
+ mMetaState = newMetaState;
+ updateLedState(false);
+ }
+
+ nsecs_t downTime = mDownTime;
+
+ // Key down on external an keyboard should wake the device.
+ // We don't do this for internal keyboards to prevent them from waking up in your pocket.
+ // For internal keyboards, the key layout file should specify the policy flags for
+ // each wake key individually.
+ // TODO: Use the input device configuration to control this behavior more finely.
+ if (down && getDevice()->isExternal()
+ && !(policyFlags & (POLICY_FLAG_WAKE | POLICY_FLAG_WAKE_DROPPED))) {
+ policyFlags |= POLICY_FLAG_WAKE_DROPPED;
+ }
+
+ if (metaStateChanged) {
+ getContext()->updateGlobalMetaState();
+ }
+
+ if (down && !isMetaKey(keyCode)) {
+ getContext()->fadePointer();
+ }
+
+ NotifyKeyArgs args(when, getDeviceId(), mSource, policyFlags,
+ down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
+ AKEY_EVENT_FLAG_FROM_SYSTEM, keyCode, scanCode, newMetaState, downTime);
+ getListener()->notifyKey(&args);
+}
+
+ssize_t KeyboardInputMapper::findKeyDown(int32_t scanCode) {
+ size_t n = mKeyDowns.size();
+ for (size_t i = 0; i < n; i++) {
+ if (mKeyDowns[i].scanCode == scanCode) {
+ return i;
+ }
+ }
+ return -1;
+}
+
+int32_t KeyboardInputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
+ return getEventHub()->getKeyCodeState(getDeviceId(), keyCode);
+}
+
+int32_t KeyboardInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
+ return getEventHub()->getScanCodeState(getDeviceId(), scanCode);
+}
+
+bool KeyboardInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) {
+ return getEventHub()->markSupportedKeyCodes(getDeviceId(), numCodes, keyCodes, outFlags);
+}
+
+int32_t KeyboardInputMapper::getMetaState() {
+ return mMetaState;
+}
+
+void KeyboardInputMapper::resetLedState() {
+ initializeLedState(mCapsLockLedState, ALED_CAPS_LOCK);
+ initializeLedState(mNumLockLedState, ALED_NUM_LOCK);
+ initializeLedState(mScrollLockLedState, ALED_SCROLL_LOCK);
+
+ updateLedState(true);
+}
+
+void KeyboardInputMapper::initializeLedState(LedState& ledState, int32_t led) {
+ ledState.avail = getEventHub()->hasLed(getDeviceId(), led);
+ ledState.on = false;
+}
+
+void KeyboardInputMapper::updateLedState(bool reset) {
+ updateLedStateForModifier(mCapsLockLedState, ALED_CAPS_LOCK,
+ AMETA_CAPS_LOCK_ON, reset);
+ updateLedStateForModifier(mNumLockLedState, ALED_NUM_LOCK,
+ AMETA_NUM_LOCK_ON, reset);
+ updateLedStateForModifier(mScrollLockLedState, ALED_SCROLL_LOCK,
+ AMETA_SCROLL_LOCK_ON, reset);
+}
+
+void KeyboardInputMapper::updateLedStateForModifier(LedState& ledState,
+ int32_t led, int32_t modifier, bool reset) {
+ if (ledState.avail) {
+ bool desiredState = (mMetaState & modifier) != 0;
+ if (reset || ledState.on != desiredState) {
+ getEventHub()->setLedState(getDeviceId(), led, desiredState);
+ ledState.on = desiredState;
+ }
+ }
+}
+
+
+// --- CursorInputMapper ---
+
+CursorInputMapper::CursorInputMapper(InputDevice* device) :
+ InputMapper(device) {
+}
+
+CursorInputMapper::~CursorInputMapper() {
+}
+
+uint32_t CursorInputMapper::getSources() {
+ return mSource;
+}
+
+void CursorInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
+ InputMapper::populateDeviceInfo(info);
+
+ if (mParameters.mode == Parameters::MODE_POINTER) {
+ float minX, minY, maxX, maxY;
+ if (mPointerController->getBounds(&minX, &minY, &maxX, &maxY)) {
+ info->addMotionRange(AMOTION_EVENT_AXIS_X, mSource, minX, maxX, 0.0f, 0.0f, 0.0f);
+ info->addMotionRange(AMOTION_EVENT_AXIS_Y, mSource, minY, maxY, 0.0f, 0.0f, 0.0f);
+ }
+ } else {
+ info->addMotionRange(AMOTION_EVENT_AXIS_X, mSource, -1.0f, 1.0f, 0.0f, mXScale, 0.0f);
+ info->addMotionRange(AMOTION_EVENT_AXIS_Y, mSource, -1.0f, 1.0f, 0.0f, mYScale, 0.0f);
+ }
+ info->addMotionRange(AMOTION_EVENT_AXIS_PRESSURE, mSource, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f);
+
+ if (mCursorScrollAccumulator.haveRelativeVWheel()) {
+ info->addMotionRange(AMOTION_EVENT_AXIS_VSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f);
+ }
+ if (mCursorScrollAccumulator.haveRelativeHWheel()) {
+ info->addMotionRange(AMOTION_EVENT_AXIS_HSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f);
+ }
+}
+
+void CursorInputMapper::dump(String8& dump) {
+ dump.append(INDENT2 "Cursor Input Mapper:\n");
+ dumpParameters(dump);
+ dump.appendFormat(INDENT3 "XScale: %0.3f\n", mXScale);
+ dump.appendFormat(INDENT3 "YScale: %0.3f\n", mYScale);
+ dump.appendFormat(INDENT3 "XPrecision: %0.3f\n", mXPrecision);
+ dump.appendFormat(INDENT3 "YPrecision: %0.3f\n", mYPrecision);
+ dump.appendFormat(INDENT3 "HaveVWheel: %s\n",
+ toString(mCursorScrollAccumulator.haveRelativeVWheel()));
+ dump.appendFormat(INDENT3 "HaveHWheel: %s\n",
+ toString(mCursorScrollAccumulator.haveRelativeHWheel()));
+ dump.appendFormat(INDENT3 "VWheelScale: %0.3f\n", mVWheelScale);
+ dump.appendFormat(INDENT3 "HWheelScale: %0.3f\n", mHWheelScale);
+ dump.appendFormat(INDENT3 "Orientation: %d\n", mOrientation);
+ dump.appendFormat(INDENT3 "ButtonState: 0x%08x\n", mButtonState);
+ dump.appendFormat(INDENT3 "Down: %s\n", toString(isPointerDown(mButtonState)));
+ dump.appendFormat(INDENT3 "DownTime: %lld\n", mDownTime);
+}
+
+void CursorInputMapper::configure(nsecs_t when,
+ const InputReaderConfiguration* config, uint32_t changes) {
+ InputMapper::configure(when, config, changes);
+
+ if (!changes) { // first time only
+ mCursorScrollAccumulator.configure(getDevice());
+
+ // Configure basic parameters.
+ configureParameters();
+
+ // Configure device mode.
+ switch (mParameters.mode) {
+ case Parameters::MODE_POINTER:
+ mSource = AINPUT_SOURCE_MOUSE;
+ mXPrecision = 1.0f;
+ mYPrecision = 1.0f;
+ mXScale = 1.0f;
+ mYScale = 1.0f;
+ mPointerController = getPolicy()->obtainPointerController(getDeviceId());
+ break;
+ case Parameters::MODE_NAVIGATION:
+ mSource = AINPUT_SOURCE_TRACKBALL;
+ mXPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
+ mYPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
+ mXScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
+ mYScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
+ break;
+ }
+
+ mVWheelScale = 1.0f;
+ mHWheelScale = 1.0f;
+ }
+
+ if (!changes || (changes & InputReaderConfiguration::CHANGE_POINTER_SPEED)) {
+ mPointerVelocityControl.setParameters(config->pointerVelocityControlParameters);
+ mWheelXVelocityControl.setParameters(config->wheelVelocityControlParameters);
+ mWheelYVelocityControl.setParameters(config->wheelVelocityControlParameters);
+ }
+
+ if (!changes || (changes & InputReaderConfiguration::CHANGE_DISPLAY_INFO)) {
+ if (mParameters.orientationAware && mParameters.hasAssociatedDisplay) {
+ DisplayViewport v;
+ if (config->getDisplayInfo(false /*external*/, &v)) {
+ mOrientation = v.orientation;
+ } else {
+ mOrientation = DISPLAY_ORIENTATION_0;
+ }
+ } else {
+ mOrientation = DISPLAY_ORIENTATION_0;
+ }
+ bumpGeneration();
+ }
+}
+
+void CursorInputMapper::configureParameters() {
+ mParameters.mode = Parameters::MODE_POINTER;
+ String8 cursorModeString;
+ if (getDevice()->getConfiguration().tryGetProperty(String8("cursor.mode"), cursorModeString)) {
+ if (cursorModeString == "navigation") {
+ mParameters.mode = Parameters::MODE_NAVIGATION;
+ } else if (cursorModeString != "pointer" && cursorModeString != "default") {
+ ALOGW("Invalid value for cursor.mode: '%s'", cursorModeString.string());
+ }
+ }
+
+ mParameters.orientationAware = false;
+ getDevice()->getConfiguration().tryGetProperty(String8("cursor.orientationAware"),
+ mParameters.orientationAware);
+
+ mParameters.hasAssociatedDisplay = false;
+ if (mParameters.mode == Parameters::MODE_POINTER || mParameters.orientationAware) {
+ mParameters.hasAssociatedDisplay = true;
+ }
+}
+
+void CursorInputMapper::dumpParameters(String8& dump) {
+ dump.append(INDENT3 "Parameters:\n");
+ dump.appendFormat(INDENT4 "HasAssociatedDisplay: %s\n",
+ toString(mParameters.hasAssociatedDisplay));
+
+ switch (mParameters.mode) {
+ case Parameters::MODE_POINTER:
+ dump.append(INDENT4 "Mode: pointer\n");
+ break;
+ case Parameters::MODE_NAVIGATION:
+ dump.append(INDENT4 "Mode: navigation\n");
+ break;
+ default:
+ ALOG_ASSERT(false);
+ }
+
+ dump.appendFormat(INDENT4 "OrientationAware: %s\n",
+ toString(mParameters.orientationAware));
+}
+
+void CursorInputMapper::reset(nsecs_t when) {
+ mButtonState = 0;
+ mDownTime = 0;
+
+ mPointerVelocityControl.reset();
+ mWheelXVelocityControl.reset();
+ mWheelYVelocityControl.reset();
+
+ mCursorButtonAccumulator.reset(getDevice());
+ mCursorMotionAccumulator.reset(getDevice());
+ mCursorScrollAccumulator.reset(getDevice());
+
+ InputMapper::reset(when);
+}
+
+void CursorInputMapper::process(const RawEvent* rawEvent) {
+ mCursorButtonAccumulator.process(rawEvent);
+ mCursorMotionAccumulator.process(rawEvent);
+ mCursorScrollAccumulator.process(rawEvent);
+
+ if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
+ sync(rawEvent->when);
+ }
+}
+
+void CursorInputMapper::sync(nsecs_t when) {
+ int32_t lastButtonState = mButtonState;
+ int32_t currentButtonState = mCursorButtonAccumulator.getButtonState();
+ mButtonState = currentButtonState;
+
+ bool wasDown = isPointerDown(lastButtonState);
+ bool down = isPointerDown(currentButtonState);
+ bool downChanged;
+ if (!wasDown && down) {
+ mDownTime = when;
+ downChanged = true;
+ } else if (wasDown && !down) {
+ downChanged = true;
+ } else {
+ downChanged = false;
+ }
+ nsecs_t downTime = mDownTime;
+ bool buttonsChanged = currentButtonState != lastButtonState;
+ bool buttonsPressed = currentButtonState & ~lastButtonState;
+
+ float deltaX = mCursorMotionAccumulator.getRelativeX() * mXScale;
+ float deltaY = mCursorMotionAccumulator.getRelativeY() * mYScale;
+ bool moved = deltaX != 0 || deltaY != 0;
+
+ // Rotate delta according to orientation if needed.
+ if (mParameters.orientationAware && mParameters.hasAssociatedDisplay
+ && (deltaX != 0.0f || deltaY != 0.0f)) {
+ rotateDelta(mOrientation, &deltaX, &deltaY);
+ }
+
+ // Move the pointer.
+ PointerProperties pointerProperties;
+ pointerProperties.clear();
+ pointerProperties.id = 0;
+ pointerProperties.toolType = AMOTION_EVENT_TOOL_TYPE_MOUSE;
+
+ PointerCoords pointerCoords;
+ pointerCoords.clear();
+
+ float vscroll = mCursorScrollAccumulator.getRelativeVWheel();
+ float hscroll = mCursorScrollAccumulator.getRelativeHWheel();
+ bool scrolled = vscroll != 0 || hscroll != 0;
+
+ mWheelYVelocityControl.move(when, NULL, &vscroll);
+ mWheelXVelocityControl.move(when, &hscroll, NULL);
+
+ mPointerVelocityControl.move(when, &deltaX, &deltaY);
+
+ int32_t displayId;
+ if (mPointerController != NULL) {
+ if (moved || scrolled || buttonsChanged) {
+ mPointerController->setPresentation(
+ PointerControllerInterface::PRESENTATION_POINTER);
+
+ if (moved) {
+ mPointerController->move(deltaX, deltaY);
+ }
+
+ if (buttonsChanged) {
+ mPointerController->setButtonState(currentButtonState);
+ }
+
+ mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
+ }
+
+ float x, y;
+ mPointerController->getPosition(&x, &y);
+ pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
+ pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
+ displayId = ADISPLAY_ID_DEFAULT;
+ } else {
+ pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_X, deltaX);
+ pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, deltaY);
+ displayId = ADISPLAY_ID_NONE;
+ }
+
+ pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, down ? 1.0f : 0.0f);
+
+ // Moving an external trackball or mouse should wake the device.
+ // We don't do this for internal cursor devices to prevent them from waking up
+ // the device in your pocket.
+ // TODO: Use the input device configuration to control this behavior more finely.
+ uint32_t policyFlags = 0;
+ if ((buttonsPressed || moved || scrolled) && getDevice()->isExternal()) {
+ policyFlags |= POLICY_FLAG_WAKE_DROPPED;
+ }
+
+ // Synthesize key down from buttons if needed.
+ synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_DOWN, when, getDeviceId(), mSource,
+ policyFlags, lastButtonState, currentButtonState);
+
+ // Send motion event.
+ if (downChanged || moved || scrolled || buttonsChanged) {
+ int32_t metaState = mContext->getGlobalMetaState();
+ int32_t motionEventAction;
+ if (downChanged) {
+ motionEventAction = down ? AMOTION_EVENT_ACTION_DOWN : AMOTION_EVENT_ACTION_UP;
+ } else if (down || mPointerController == NULL) {
+ motionEventAction = AMOTION_EVENT_ACTION_MOVE;
+ } else {
+ motionEventAction = AMOTION_EVENT_ACTION_HOVER_MOVE;
+ }
+
+ NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
+ motionEventAction, 0, metaState, currentButtonState, 0,
+ displayId, 1, &pointerProperties, &pointerCoords,
+ mXPrecision, mYPrecision, downTime);
+ getListener()->notifyMotion(&args);
+
+ // Send hover move after UP to tell the application that the mouse is hovering now.
+ if (motionEventAction == AMOTION_EVENT_ACTION_UP
+ && mPointerController != NULL) {
+ NotifyMotionArgs hoverArgs(when, getDeviceId(), mSource, policyFlags,
+ AMOTION_EVENT_ACTION_HOVER_MOVE, 0,
+ metaState, currentButtonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+ displayId, 1, &pointerProperties, &pointerCoords,
+ mXPrecision, mYPrecision, downTime);
+ getListener()->notifyMotion(&hoverArgs);
+ }
+
+ // Send scroll events.
+ if (scrolled) {
+ pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_VSCROLL, vscroll);
+ pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_HSCROLL, hscroll);
+
+ NotifyMotionArgs scrollArgs(when, getDeviceId(), mSource, policyFlags,
+ AMOTION_EVENT_ACTION_SCROLL, 0, metaState, currentButtonState,
+ AMOTION_EVENT_EDGE_FLAG_NONE,
+ displayId, 1, &pointerProperties, &pointerCoords,
+ mXPrecision, mYPrecision, downTime);
+ getListener()->notifyMotion(&scrollArgs);
+ }
+ }
+
+ // Synthesize key up from buttons if needed.
+ synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_UP, when, getDeviceId(), mSource,
+ policyFlags, lastButtonState, currentButtonState);
+
+ mCursorMotionAccumulator.finishSync();
+ mCursorScrollAccumulator.finishSync();
+}
+
+int32_t CursorInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
+ if (scanCode >= BTN_MOUSE && scanCode < BTN_JOYSTICK) {
+ return getEventHub()->getScanCodeState(getDeviceId(), scanCode);
+ } else {
+ return AKEY_STATE_UNKNOWN;
+ }
+}
+
+void CursorInputMapper::fadePointer() {
+ if (mPointerController != NULL) {
+ mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
+ }
+}
+
+
+// --- TouchInputMapper ---
+
+TouchInputMapper::TouchInputMapper(InputDevice* device) :
+ InputMapper(device),
+ mSource(0), mDeviceMode(DEVICE_MODE_DISABLED),
+ mSurfaceWidth(-1), mSurfaceHeight(-1), mSurfaceLeft(0), mSurfaceTop(0),
+ mSurfaceOrientation(DISPLAY_ORIENTATION_0) {
+}
+
+TouchInputMapper::~TouchInputMapper() {
+}
+
+uint32_t TouchInputMapper::getSources() {
+ return mSource;
+}
+
+void TouchInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
+ InputMapper::populateDeviceInfo(info);
+
+ if (mDeviceMode != DEVICE_MODE_DISABLED) {
+ info->addMotionRange(mOrientedRanges.x);
+ info->addMotionRange(mOrientedRanges.y);
+ info->addMotionRange(mOrientedRanges.pressure);
+
+ if (mOrientedRanges.haveSize) {
+ info->addMotionRange(mOrientedRanges.size);
+ }
+
+ if (mOrientedRanges.haveTouchSize) {
+ info->addMotionRange(mOrientedRanges.touchMajor);
+ info->addMotionRange(mOrientedRanges.touchMinor);
+ }
+
+ if (mOrientedRanges.haveToolSize) {
+ info->addMotionRange(mOrientedRanges.toolMajor);
+ info->addMotionRange(mOrientedRanges.toolMinor);
+ }
+
+ if (mOrientedRanges.haveOrientation) {
+ info->addMotionRange(mOrientedRanges.orientation);
+ }
+
+ if (mOrientedRanges.haveDistance) {
+ info->addMotionRange(mOrientedRanges.distance);
+ }
+
+ if (mOrientedRanges.haveTilt) {
+ info->addMotionRange(mOrientedRanges.tilt);
+ }
+
+ if (mCursorScrollAccumulator.haveRelativeVWheel()) {
+ info->addMotionRange(AMOTION_EVENT_AXIS_VSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f,
+ 0.0f);
+ }
+ if (mCursorScrollAccumulator.haveRelativeHWheel()) {
+ info->addMotionRange(AMOTION_EVENT_AXIS_HSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f,
+ 0.0f);
+ }
+ if (mCalibration.coverageCalibration == Calibration::COVERAGE_CALIBRATION_BOX) {
+ const InputDeviceInfo::MotionRange& x = mOrientedRanges.x;
+ const InputDeviceInfo::MotionRange& y = mOrientedRanges.y;
+ info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_1, mSource, x.min, x.max, x.flat,
+ x.fuzz, x.resolution);
+ info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_2, mSource, y.min, y.max, y.flat,
+ y.fuzz, y.resolution);
+ info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_3, mSource, x.min, x.max, x.flat,
+ x.fuzz, x.resolution);
+ info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_4, mSource, y.min, y.max, y.flat,
+ y.fuzz, y.resolution);
+ }
+ info->setButtonUnderPad(mParameters.hasButtonUnderPad);
+ }
+}
+
+void TouchInputMapper::dump(String8& dump) {
+ dump.append(INDENT2 "Touch Input Mapper:\n");
+ dumpParameters(dump);
+ dumpVirtualKeys(dump);
+ dumpRawPointerAxes(dump);
+ dumpCalibration(dump);
+ dumpSurface(dump);
+
+ dump.appendFormat(INDENT3 "Translation and Scaling Factors:\n");
+ dump.appendFormat(INDENT4 "XTranslate: %0.3f\n", mXTranslate);
+ dump.appendFormat(INDENT4 "YTranslate: %0.3f\n", mYTranslate);
+ dump.appendFormat(INDENT4 "XScale: %0.3f\n", mXScale);
+ dump.appendFormat(INDENT4 "YScale: %0.3f\n", mYScale);
+ dump.appendFormat(INDENT4 "XPrecision: %0.3f\n", mXPrecision);
+ dump.appendFormat(INDENT4 "YPrecision: %0.3f\n", mYPrecision);
+ dump.appendFormat(INDENT4 "GeometricScale: %0.3f\n", mGeometricScale);
+ dump.appendFormat(INDENT4 "PressureScale: %0.3f\n", mPressureScale);
+ dump.appendFormat(INDENT4 "SizeScale: %0.3f\n", mSizeScale);
+ dump.appendFormat(INDENT4 "OrientationScale: %0.3f\n", mOrientationScale);
+ dump.appendFormat(INDENT4 "DistanceScale: %0.3f\n", mDistanceScale);
+ dump.appendFormat(INDENT4 "HaveTilt: %s\n", toString(mHaveTilt));
+ dump.appendFormat(INDENT4 "TiltXCenter: %0.3f\n", mTiltXCenter);
+ dump.appendFormat(INDENT4 "TiltXScale: %0.3f\n", mTiltXScale);
+ dump.appendFormat(INDENT4 "TiltYCenter: %0.3f\n", mTiltYCenter);
+ dump.appendFormat(INDENT4 "TiltYScale: %0.3f\n", mTiltYScale);
+
+ dump.appendFormat(INDENT3 "Last Button State: 0x%08x\n", mLastButtonState);
+
+ dump.appendFormat(INDENT3 "Last Raw Touch: pointerCount=%d\n",
+ mLastRawPointerData.pointerCount);
+ for (uint32_t i = 0; i < mLastRawPointerData.pointerCount; i++) {
+ const RawPointerData::Pointer& pointer = mLastRawPointerData.pointers[i];
+ dump.appendFormat(INDENT4 "[%d]: id=%d, x=%d, y=%d, pressure=%d, "
+ "touchMajor=%d, touchMinor=%d, toolMajor=%d, toolMinor=%d, "
+ "orientation=%d, tiltX=%d, tiltY=%d, distance=%d, "
+ "toolType=%d, isHovering=%s\n", i,
+ pointer.id, pointer.x, pointer.y, pointer.pressure,
+ pointer.touchMajor, pointer.touchMinor,
+ pointer.toolMajor, pointer.toolMinor,
+ pointer.orientation, pointer.tiltX, pointer.tiltY, pointer.distance,
+ pointer.toolType, toString(pointer.isHovering));
+ }
+
+ dump.appendFormat(INDENT3 "Last Cooked Touch: pointerCount=%d\n",
+ mLastCookedPointerData.pointerCount);
+ for (uint32_t i = 0; i < mLastCookedPointerData.pointerCount; i++) {
+ const PointerProperties& pointerProperties = mLastCookedPointerData.pointerProperties[i];
+ const PointerCoords& pointerCoords = mLastCookedPointerData.pointerCoords[i];
+ dump.appendFormat(INDENT4 "[%d]: id=%d, x=%0.3f, y=%0.3f, pressure=%0.3f, "
+ "touchMajor=%0.3f, touchMinor=%0.3f, toolMajor=%0.3f, toolMinor=%0.3f, "
+ "orientation=%0.3f, tilt=%0.3f, distance=%0.3f, "
+ "toolType=%d, isHovering=%s\n", i,
+ pointerProperties.id,
+ pointerCoords.getX(),
+ pointerCoords.getY(),
+ pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE),
+ pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR),
+ pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR),
+ pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR),
+ pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR),
+ pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION),
+ pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TILT),
+ pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_DISTANCE),
+ pointerProperties.toolType,
+ toString(mLastCookedPointerData.isHovering(i)));
+ }
+
+ if (mDeviceMode == DEVICE_MODE_POINTER) {
+ dump.appendFormat(INDENT3 "Pointer Gesture Detector:\n");
+ dump.appendFormat(INDENT4 "XMovementScale: %0.3f\n",
+ mPointerXMovementScale);
+ dump.appendFormat(INDENT4 "YMovementScale: %0.3f\n",
+ mPointerYMovementScale);
+ dump.appendFormat(INDENT4 "XZoomScale: %0.3f\n",
+ mPointerXZoomScale);
+ dump.appendFormat(INDENT4 "YZoomScale: %0.3f\n",
+ mPointerYZoomScale);
+ dump.appendFormat(INDENT4 "MaxSwipeWidth: %f\n",
+ mPointerGestureMaxSwipeWidth);
+ }
+}
+
+void TouchInputMapper::configure(nsecs_t when,
+ const InputReaderConfiguration* config, uint32_t changes) {
+ InputMapper::configure(when, config, changes);
+
+ mConfig = *config;
+
+ if (!changes) { // first time only
+ // Configure basic parameters.
+ configureParameters();
+
+ // Configure common accumulators.
+ mCursorScrollAccumulator.configure(getDevice());
+ mTouchButtonAccumulator.configure(getDevice());
+
+ // Configure absolute axis information.
+ configureRawPointerAxes();
+
+ // Prepare input device calibration.
+ parseCalibration();
+ resolveCalibration();
+ }
+
+ if (!changes || (changes & InputReaderConfiguration::CHANGE_POINTER_SPEED)) {
+ // Update pointer speed.
+ mPointerVelocityControl.setParameters(mConfig.pointerVelocityControlParameters);
+ mWheelXVelocityControl.setParameters(mConfig.wheelVelocityControlParameters);
+ mWheelYVelocityControl.setParameters(mConfig.wheelVelocityControlParameters);
+ }
+
+ bool resetNeeded = false;
+ if (!changes || (changes & (InputReaderConfiguration::CHANGE_DISPLAY_INFO
+ | InputReaderConfiguration::CHANGE_POINTER_GESTURE_ENABLEMENT
+ | InputReaderConfiguration::CHANGE_SHOW_TOUCHES))) {
+ // Configure device sources, surface dimensions, orientation and
+ // scaling factors.
+ configureSurface(when, &resetNeeded);
+ }
+
+ if (changes && resetNeeded) {
+ // Send reset, unless this is the first time the device has been configured,
+ // in which case the reader will call reset itself after all mappers are ready.
+ getDevice()->notifyReset(when);
+ }
+}
+
+void TouchInputMapper::configureParameters() {
+ // Use the pointer presentation mode for devices that do not support distinct
+ // multitouch. The spot-based presentation relies on being able to accurately
+ // locate two or more fingers on the touch pad.
+ mParameters.gestureMode = getEventHub()->hasInputProperty(getDeviceId(), INPUT_PROP_SEMI_MT)
+ ? Parameters::GESTURE_MODE_POINTER : Parameters::GESTURE_MODE_SPOTS;
+
+ String8 gestureModeString;
+ if (getDevice()->getConfiguration().tryGetProperty(String8("touch.gestureMode"),
+ gestureModeString)) {
+ if (gestureModeString == "pointer") {
+ mParameters.gestureMode = Parameters::GESTURE_MODE_POINTER;
+ } else if (gestureModeString == "spots") {
+ mParameters.gestureMode = Parameters::GESTURE_MODE_SPOTS;
+ } else if (gestureModeString != "default") {
+ ALOGW("Invalid value for touch.gestureMode: '%s'", gestureModeString.string());
+ }
+ }
+
+ if (getEventHub()->hasInputProperty(getDeviceId(), INPUT_PROP_DIRECT)) {
+ // The device is a touch screen.
+ mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_SCREEN;
+ } else if (getEventHub()->hasInputProperty(getDeviceId(), INPUT_PROP_POINTER)) {
+ // The device is a pointing device like a track pad.
+ mParameters.deviceType = Parameters::DEVICE_TYPE_POINTER;
+ } else if (getEventHub()->hasRelativeAxis(getDeviceId(), REL_X)
+ || getEventHub()->hasRelativeAxis(getDeviceId(), REL_Y)) {
+ // The device is a cursor device with a touch pad attached.
+ // By default don't use the touch pad to move the pointer.
+ mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_PAD;
+ } else {
+ // The device is a touch pad of unknown purpose.
+ mParameters.deviceType = Parameters::DEVICE_TYPE_POINTER;
+ }
+
+ mParameters.hasButtonUnderPad=
+ getEventHub()->hasInputProperty(getDeviceId(), INPUT_PROP_BUTTONPAD);
+
+ String8 deviceTypeString;
+ if (getDevice()->getConfiguration().tryGetProperty(String8("touch.deviceType"),
+ deviceTypeString)) {
+ if (deviceTypeString == "touchScreen") {
+ mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_SCREEN;
+ } else if (deviceTypeString == "touchPad") {
+ mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_PAD;
+ } else if (deviceTypeString == "touchNavigation") {
+ mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_NAVIGATION;
+ } else if (deviceTypeString == "pointer") {
+ mParameters.deviceType = Parameters::DEVICE_TYPE_POINTER;
+ } else if (deviceTypeString != "default") {
+ ALOGW("Invalid value for touch.deviceType: '%s'", deviceTypeString.string());
+ }
+ }
+
+ mParameters.orientationAware = mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN;
+ getDevice()->getConfiguration().tryGetProperty(String8("touch.orientationAware"),
+ mParameters.orientationAware);
+
+ mParameters.hasAssociatedDisplay = false;
+ mParameters.associatedDisplayIsExternal = false;
+ if (mParameters.orientationAware
+ || mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN
+ || mParameters.deviceType == Parameters::DEVICE_TYPE_POINTER) {
+ mParameters.hasAssociatedDisplay = true;
+ mParameters.associatedDisplayIsExternal =
+ mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN
+ && getDevice()->isExternal();
+ }
+}
+
+void TouchInputMapper::dumpParameters(String8& dump) {
+ dump.append(INDENT3 "Parameters:\n");
+
+ switch (mParameters.gestureMode) {
+ case Parameters::GESTURE_MODE_POINTER:
+ dump.append(INDENT4 "GestureMode: pointer\n");
+ break;
+ case Parameters::GESTURE_MODE_SPOTS:
+ dump.append(INDENT4 "GestureMode: spots\n");
+ break;
+ default:
+ assert(false);
+ }
+
+ switch (mParameters.deviceType) {
+ case Parameters::DEVICE_TYPE_TOUCH_SCREEN:
+ dump.append(INDENT4 "DeviceType: touchScreen\n");
+ break;
+ case Parameters::DEVICE_TYPE_TOUCH_PAD:
+ dump.append(INDENT4 "DeviceType: touchPad\n");
+ break;
+ case Parameters::DEVICE_TYPE_TOUCH_NAVIGATION:
+ dump.append(INDENT4 "DeviceType: touchNavigation\n");
+ break;
+ case Parameters::DEVICE_TYPE_POINTER:
+ dump.append(INDENT4 "DeviceType: pointer\n");
+ break;
+ default:
+ ALOG_ASSERT(false);
+ }
+
+ dump.appendFormat(INDENT4 "AssociatedDisplay: hasAssociatedDisplay=%s, isExternal=%s\n",
+ toString(mParameters.hasAssociatedDisplay),
+ toString(mParameters.associatedDisplayIsExternal));
+ dump.appendFormat(INDENT4 "OrientationAware: %s\n",
+ toString(mParameters.orientationAware));
+}
+
+void TouchInputMapper::configureRawPointerAxes() {
+ mRawPointerAxes.clear();
+}
+
+void TouchInputMapper::dumpRawPointerAxes(String8& dump) {
+ dump.append(INDENT3 "Raw Touch Axes:\n");
+ dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.x, "X");
+ dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.y, "Y");
+ dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.pressure, "Pressure");
+ dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.touchMajor, "TouchMajor");
+ dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.touchMinor, "TouchMinor");
+ dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.toolMajor, "ToolMajor");
+ dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.toolMinor, "ToolMinor");
+ dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.orientation, "Orientation");
+ dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.distance, "Distance");
+ dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.tiltX, "TiltX");
+ dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.tiltY, "TiltY");
+ dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.trackingId, "TrackingId");
+ dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.slot, "Slot");
+}
+
+void TouchInputMapper::configureSurface(nsecs_t when, bool* outResetNeeded) {
+ int32_t oldDeviceMode = mDeviceMode;
+
+ // Determine device mode.
+ if (mParameters.deviceType == Parameters::DEVICE_TYPE_POINTER
+ && mConfig.pointerGesturesEnabled) {
+ mSource = AINPUT_SOURCE_MOUSE;
+ mDeviceMode = DEVICE_MODE_POINTER;
+ if (hasStylus()) {
+ mSource |= AINPUT_SOURCE_STYLUS;
+ }
+ } else if (mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN
+ && mParameters.hasAssociatedDisplay) {
+ mSource = AINPUT_SOURCE_TOUCHSCREEN;
+ mDeviceMode = DEVICE_MODE_DIRECT;
+ if (hasStylus()) {
+ mSource |= AINPUT_SOURCE_STYLUS;
+ }
+ } else if (mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_NAVIGATION) {
+ mSource = AINPUT_SOURCE_TOUCH_NAVIGATION;
+ mDeviceMode = DEVICE_MODE_NAVIGATION;
+ } else {
+ mSource = AINPUT_SOURCE_TOUCHPAD;
+ mDeviceMode = DEVICE_MODE_UNSCALED;
+ }
+
+ // Ensure we have valid X and Y axes.
+ if (!mRawPointerAxes.x.valid || !mRawPointerAxes.y.valid) {
+ ALOGW(INDENT "Touch device '%s' did not report support for X or Y axis! "
+ "The device will be inoperable.", getDeviceName().string());
+ mDeviceMode = DEVICE_MODE_DISABLED;
+ return;
+ }
+
+ // Raw width and height in the natural orientation.
+ int32_t rawWidth = mRawPointerAxes.x.maxValue - mRawPointerAxes.x.minValue + 1;
+ int32_t rawHeight = mRawPointerAxes.y.maxValue - mRawPointerAxes.y.minValue + 1;
+
+ // Get associated display dimensions.
+ DisplayViewport newViewport;
+ if (mParameters.hasAssociatedDisplay) {
+ if (!mConfig.getDisplayInfo(mParameters.associatedDisplayIsExternal, &newViewport)) {
+ ALOGI(INDENT "Touch device '%s' could not query the properties of its associated "
+ "display. The device will be inoperable until the display size "
+ "becomes available.",
+ getDeviceName().string());
+ mDeviceMode = DEVICE_MODE_DISABLED;
+ return;
+ }
+ } else {
+ newViewport.setNonDisplayViewport(rawWidth, rawHeight);
+ }
+ bool viewportChanged = mViewport != newViewport;
+ if (viewportChanged) {
+ mViewport = newViewport;
+
+ if (mDeviceMode == DEVICE_MODE_DIRECT || mDeviceMode == DEVICE_MODE_POINTER) {
+ // Convert rotated viewport to natural surface coordinates.
+ int32_t naturalLogicalWidth, naturalLogicalHeight;
+ int32_t naturalPhysicalWidth, naturalPhysicalHeight;
+ int32_t naturalPhysicalLeft, naturalPhysicalTop;
+ int32_t naturalDeviceWidth, naturalDeviceHeight;
+ switch (mViewport.orientation) {
+ case DISPLAY_ORIENTATION_90:
+ naturalLogicalWidth = mViewport.logicalBottom - mViewport.logicalTop;
+ naturalLogicalHeight = mViewport.logicalRight - mViewport.logicalLeft;
+ naturalPhysicalWidth = mViewport.physicalBottom - mViewport.physicalTop;
+ naturalPhysicalHeight = mViewport.physicalRight - mViewport.physicalLeft;
+ naturalPhysicalLeft = mViewport.deviceHeight - mViewport.physicalBottom;
+ naturalPhysicalTop = mViewport.physicalLeft;
+ naturalDeviceWidth = mViewport.deviceHeight;
+ naturalDeviceHeight = mViewport.deviceWidth;
+ break;
+ case DISPLAY_ORIENTATION_180:
+ naturalLogicalWidth = mViewport.logicalRight - mViewport.logicalLeft;
+ naturalLogicalHeight = mViewport.logicalBottom - mViewport.logicalTop;
+ naturalPhysicalWidth = mViewport.physicalRight - mViewport.physicalLeft;
+ naturalPhysicalHeight = mViewport.physicalBottom - mViewport.physicalTop;
+ naturalPhysicalLeft = mViewport.deviceWidth - mViewport.physicalRight;
+ naturalPhysicalTop = mViewport.deviceHeight - mViewport.physicalBottom;
+ naturalDeviceWidth = mViewport.deviceWidth;
+ naturalDeviceHeight = mViewport.deviceHeight;
+ break;
+ case DISPLAY_ORIENTATION_270:
+ naturalLogicalWidth = mViewport.logicalBottom - mViewport.logicalTop;
+ naturalLogicalHeight = mViewport.logicalRight - mViewport.logicalLeft;
+ naturalPhysicalWidth = mViewport.physicalBottom - mViewport.physicalTop;
+ naturalPhysicalHeight = mViewport.physicalRight - mViewport.physicalLeft;
+ naturalPhysicalLeft = mViewport.physicalTop;
+ naturalPhysicalTop = mViewport.deviceWidth - mViewport.physicalRight;
+ naturalDeviceWidth = mViewport.deviceHeight;
+ naturalDeviceHeight = mViewport.deviceWidth;
+ break;
+ case DISPLAY_ORIENTATION_0:
+ default:
+ naturalLogicalWidth = mViewport.logicalRight - mViewport.logicalLeft;
+ naturalLogicalHeight = mViewport.logicalBottom - mViewport.logicalTop;
+ naturalPhysicalWidth = mViewport.physicalRight - mViewport.physicalLeft;
+ naturalPhysicalHeight = mViewport.physicalBottom - mViewport.physicalTop;
+ naturalPhysicalLeft = mViewport.physicalLeft;
+ naturalPhysicalTop = mViewport.physicalTop;
+ naturalDeviceWidth = mViewport.deviceWidth;
+ naturalDeviceHeight = mViewport.deviceHeight;
+ break;
+ }
+
+ mSurfaceWidth = naturalLogicalWidth * naturalDeviceWidth / naturalPhysicalWidth;
+ mSurfaceHeight = naturalLogicalHeight * naturalDeviceHeight / naturalPhysicalHeight;
+ mSurfaceLeft = naturalPhysicalLeft * naturalLogicalWidth / naturalPhysicalWidth;
+ mSurfaceTop = naturalPhysicalTop * naturalLogicalHeight / naturalPhysicalHeight;
+
+ mSurfaceOrientation = mParameters.orientationAware ?
+ mViewport.orientation : DISPLAY_ORIENTATION_0;
+ } else {
+ mSurfaceWidth = rawWidth;
+ mSurfaceHeight = rawHeight;
+ mSurfaceLeft = 0;
+ mSurfaceTop = 0;
+ mSurfaceOrientation = DISPLAY_ORIENTATION_0;
+ }
+ }
+
+ // If moving between pointer modes, need to reset some state.
+ bool deviceModeChanged = mDeviceMode != oldDeviceMode;
+ if (deviceModeChanged) {
+ mOrientedRanges.clear();
+ }
+
+ // Create pointer controller if needed.
+ if (mDeviceMode == DEVICE_MODE_POINTER ||
+ (mDeviceMode == DEVICE_MODE_DIRECT && mConfig.showTouches)) {
+ if (mPointerController == NULL) {
+ mPointerController = getPolicy()->obtainPointerController(getDeviceId());
+ }
+ } else {
+ mPointerController.clear();
+ }
+
+ if (viewportChanged || deviceModeChanged) {
+ ALOGI("Device reconfigured: id=%d, name='%s', size %dx%d, orientation %d, mode %d, "
+ "display id %d",
+ getDeviceId(), getDeviceName().string(), mSurfaceWidth, mSurfaceHeight,
+ mSurfaceOrientation, mDeviceMode, mViewport.displayId);
+
+ // Configure X and Y factors.
+ mXScale = float(mSurfaceWidth) / rawWidth;
+ mYScale = float(mSurfaceHeight) / rawHeight;
+ mXTranslate = -mSurfaceLeft;
+ mYTranslate = -mSurfaceTop;
+ mXPrecision = 1.0f / mXScale;
+ mYPrecision = 1.0f / mYScale;
+
+ mOrientedRanges.x.axis = AMOTION_EVENT_AXIS_X;
+ mOrientedRanges.x.source = mSource;
+ mOrientedRanges.y.axis = AMOTION_EVENT_AXIS_Y;
+ mOrientedRanges.y.source = mSource;
+
+ configureVirtualKeys();
+
+ // Scale factor for terms that are not oriented in a particular axis.
+ // If the pixels are square then xScale == yScale otherwise we fake it
+ // by choosing an average.
+ mGeometricScale = avg(mXScale, mYScale);
+
+ // Size of diagonal axis.
+ float diagonalSize = hypotf(mSurfaceWidth, mSurfaceHeight);
+
+ // Size factors.
+ if (mCalibration.sizeCalibration != Calibration::SIZE_CALIBRATION_NONE) {
+ if (mRawPointerAxes.touchMajor.valid
+ && mRawPointerAxes.touchMajor.maxValue != 0) {
+ mSizeScale = 1.0f / mRawPointerAxes.touchMajor.maxValue;
+ } else if (mRawPointerAxes.toolMajor.valid
+ && mRawPointerAxes.toolMajor.maxValue != 0) {
+ mSizeScale = 1.0f / mRawPointerAxes.toolMajor.maxValue;
+ } else {
+ mSizeScale = 0.0f;
+ }
+
+ mOrientedRanges.haveTouchSize = true;
+ mOrientedRanges.haveToolSize = true;
+ mOrientedRanges.haveSize = true;
+
+ mOrientedRanges.touchMajor.axis = AMOTION_EVENT_AXIS_TOUCH_MAJOR;
+ mOrientedRanges.touchMajor.source = mSource;
+ mOrientedRanges.touchMajor.min = 0;
+ mOrientedRanges.touchMajor.max = diagonalSize;
+ mOrientedRanges.touchMajor.flat = 0;
+ mOrientedRanges.touchMajor.fuzz = 0;
+ mOrientedRanges.touchMajor.resolution = 0;
+
+ mOrientedRanges.touchMinor = mOrientedRanges.touchMajor;
+ mOrientedRanges.touchMinor.axis = AMOTION_EVENT_AXIS_TOUCH_MINOR;
+
+ mOrientedRanges.toolMajor.axis = AMOTION_EVENT_AXIS_TOOL_MAJOR;
+ mOrientedRanges.toolMajor.source = mSource;
+ mOrientedRanges.toolMajor.min = 0;
+ mOrientedRanges.toolMajor.max = diagonalSize;
+ mOrientedRanges.toolMajor.flat = 0;
+ mOrientedRanges.toolMajor.fuzz = 0;
+ mOrientedRanges.toolMajor.resolution = 0;
+
+ mOrientedRanges.toolMinor = mOrientedRanges.toolMajor;
+ mOrientedRanges.toolMinor.axis = AMOTION_EVENT_AXIS_TOOL_MINOR;
+
+ mOrientedRanges.size.axis = AMOTION_EVENT_AXIS_SIZE;
+ mOrientedRanges.size.source = mSource;
+ mOrientedRanges.size.min = 0;
+ mOrientedRanges.size.max = 1.0;
+ mOrientedRanges.size.flat = 0;
+ mOrientedRanges.size.fuzz = 0;
+ mOrientedRanges.size.resolution = 0;
+ } else {
+ mSizeScale = 0.0f;
+ }
+
+ // Pressure factors.
+ mPressureScale = 0;
+ if (mCalibration.pressureCalibration == Calibration::PRESSURE_CALIBRATION_PHYSICAL
+ || mCalibration.pressureCalibration
+ == Calibration::PRESSURE_CALIBRATION_AMPLITUDE) {
+ if (mCalibration.havePressureScale) {
+ mPressureScale = mCalibration.pressureScale;
+ } else if (mRawPointerAxes.pressure.valid
+ && mRawPointerAxes.pressure.maxValue != 0) {
+ mPressureScale = 1.0f / mRawPointerAxes.pressure.maxValue;
+ }
+ }
+
+ mOrientedRanges.pressure.axis = AMOTION_EVENT_AXIS_PRESSURE;
+ mOrientedRanges.pressure.source = mSource;
+ mOrientedRanges.pressure.min = 0;
+ mOrientedRanges.pressure.max = 1.0;
+ mOrientedRanges.pressure.flat = 0;
+ mOrientedRanges.pressure.fuzz = 0;
+ mOrientedRanges.pressure.resolution = 0;
+
+ // Tilt
+ mTiltXCenter = 0;
+ mTiltXScale = 0;
+ mTiltYCenter = 0;
+ mTiltYScale = 0;
+ mHaveTilt = mRawPointerAxes.tiltX.valid && mRawPointerAxes.tiltY.valid;
+ if (mHaveTilt) {
+ mTiltXCenter = avg(mRawPointerAxes.tiltX.minValue,
+ mRawPointerAxes.tiltX.maxValue);
+ mTiltYCenter = avg(mRawPointerAxes.tiltY.minValue,
+ mRawPointerAxes.tiltY.maxValue);
+ mTiltXScale = M_PI / 180;
+ mTiltYScale = M_PI / 180;
+
+ mOrientedRanges.haveTilt = true;
+
+ mOrientedRanges.tilt.axis = AMOTION_EVENT_AXIS_TILT;
+ mOrientedRanges.tilt.source = mSource;
+ mOrientedRanges.tilt.min = 0;
+ mOrientedRanges.tilt.max = M_PI_2;
+ mOrientedRanges.tilt.flat = 0;
+ mOrientedRanges.tilt.fuzz = 0;
+ mOrientedRanges.tilt.resolution = 0;
+ }
+
+ // Orientation
+ mOrientationScale = 0;
+ if (mHaveTilt) {
+ mOrientedRanges.haveOrientation = true;
+
+ mOrientedRanges.orientation.axis = AMOTION_EVENT_AXIS_ORIENTATION;
+ mOrientedRanges.orientation.source = mSource;
+ mOrientedRanges.orientation.min = -M_PI;
+ mOrientedRanges.orientation.max = M_PI;
+ mOrientedRanges.orientation.flat = 0;
+ mOrientedRanges.orientation.fuzz = 0;
+ mOrientedRanges.orientation.resolution = 0;
+ } else if (mCalibration.orientationCalibration !=
+ Calibration::ORIENTATION_CALIBRATION_NONE) {
+ if (mCalibration.orientationCalibration
+ == Calibration::ORIENTATION_CALIBRATION_INTERPOLATED) {
+ if (mRawPointerAxes.orientation.valid) {
+ if (mRawPointerAxes.orientation.maxValue > 0) {
+ mOrientationScale = M_PI_2 / mRawPointerAxes.orientation.maxValue;
+ } else if (mRawPointerAxes.orientation.minValue < 0) {
+ mOrientationScale = -M_PI_2 / mRawPointerAxes.orientation.minValue;
+ } else {
+ mOrientationScale = 0;
+ }
+ }
+ }
+
+ mOrientedRanges.haveOrientation = true;
+
+ mOrientedRanges.orientation.axis = AMOTION_EVENT_AXIS_ORIENTATION;
+ mOrientedRanges.orientation.source = mSource;
+ mOrientedRanges.orientation.min = -M_PI_2;
+ mOrientedRanges.orientation.max = M_PI_2;
+ mOrientedRanges.orientation.flat = 0;
+ mOrientedRanges.orientation.fuzz = 0;
+ mOrientedRanges.orientation.resolution = 0;
+ }
+
+ // Distance
+ mDistanceScale = 0;
+ if (mCalibration.distanceCalibration != Calibration::DISTANCE_CALIBRATION_NONE) {
+ if (mCalibration.distanceCalibration
+ == Calibration::DISTANCE_CALIBRATION_SCALED) {
+ if (mCalibration.haveDistanceScale) {
+ mDistanceScale = mCalibration.distanceScale;
+ } else {
+ mDistanceScale = 1.0f;
+ }
+ }
+
+ mOrientedRanges.haveDistance = true;
+
+ mOrientedRanges.distance.axis = AMOTION_EVENT_AXIS_DISTANCE;
+ mOrientedRanges.distance.source = mSource;
+ mOrientedRanges.distance.min =
+ mRawPointerAxes.distance.minValue * mDistanceScale;
+ mOrientedRanges.distance.max =
+ mRawPointerAxes.distance.maxValue * mDistanceScale;
+ mOrientedRanges.distance.flat = 0;
+ mOrientedRanges.distance.fuzz =
+ mRawPointerAxes.distance.fuzz * mDistanceScale;
+ mOrientedRanges.distance.resolution = 0;
+ }
+
+ // Compute oriented precision, scales and ranges.
+ // Note that the maximum value reported is an inclusive maximum value so it is one
+ // unit less than the total width or height of surface.
+ switch (mSurfaceOrientation) {
+ case DISPLAY_ORIENTATION_90:
+ case DISPLAY_ORIENTATION_270:
+ mOrientedXPrecision = mYPrecision;
+ mOrientedYPrecision = mXPrecision;
+
+ mOrientedRanges.x.min = mYTranslate;
+ mOrientedRanges.x.max = mSurfaceHeight + mYTranslate - 1;
+ mOrientedRanges.x.flat = 0;
+ mOrientedRanges.x.fuzz = 0;
+ mOrientedRanges.x.resolution = mRawPointerAxes.y.resolution * mYScale;
+
+ mOrientedRanges.y.min = mXTranslate;
+ mOrientedRanges.y.max = mSurfaceWidth + mXTranslate - 1;
+ mOrientedRanges.y.flat = 0;
+ mOrientedRanges.y.fuzz = 0;
+ mOrientedRanges.y.resolution = mRawPointerAxes.x.resolution * mXScale;
+ break;
+
+ default:
+ mOrientedXPrecision = mXPrecision;
+ mOrientedYPrecision = mYPrecision;
+
+ mOrientedRanges.x.min = mXTranslate;
+ mOrientedRanges.x.max = mSurfaceWidth + mXTranslate - 1;
+ mOrientedRanges.x.flat = 0;
+ mOrientedRanges.x.fuzz = 0;
+ mOrientedRanges.x.resolution = mRawPointerAxes.x.resolution * mXScale;
+
+ mOrientedRanges.y.min = mYTranslate;
+ mOrientedRanges.y.max = mSurfaceHeight + mYTranslate - 1;
+ mOrientedRanges.y.flat = 0;
+ mOrientedRanges.y.fuzz = 0;
+ mOrientedRanges.y.resolution = mRawPointerAxes.y.resolution * mYScale;
+ break;
+ }
+
+ if (mDeviceMode == DEVICE_MODE_POINTER) {
+ // Compute pointer gesture detection parameters.
+ float rawDiagonal = hypotf(rawWidth, rawHeight);
+ float displayDiagonal = hypotf(mSurfaceWidth, mSurfaceHeight);
+
+ // Scale movements such that one whole swipe of the touch pad covers a
+ // given area relative to the diagonal size of the display when no acceleration
+ // is applied.
+ // Assume that the touch pad has a square aspect ratio such that movements in
+ // X and Y of the same number of raw units cover the same physical distance.
+ mPointerXMovementScale = mConfig.pointerGestureMovementSpeedRatio
+ * displayDiagonal / rawDiagonal;
+ mPointerYMovementScale = mPointerXMovementScale;
+
+ // Scale zooms to cover a smaller range of the display than movements do.
+ // This value determines the area around the pointer that is affected by freeform
+ // pointer gestures.
+ mPointerXZoomScale = mConfig.pointerGestureZoomSpeedRatio
+ * displayDiagonal / rawDiagonal;
+ mPointerYZoomScale = mPointerXZoomScale;
+
+ // Max width between pointers to detect a swipe gesture is more than some fraction
+ // of the diagonal axis of the touch pad. Touches that are wider than this are
+ // translated into freeform gestures.
+ mPointerGestureMaxSwipeWidth =
+ mConfig.pointerGestureSwipeMaxWidthRatio * rawDiagonal;
+
+ // Abort current pointer usages because the state has changed.
+ abortPointerUsage(when, 0 /*policyFlags*/);
+ }
+
+ // Inform the dispatcher about the changes.
+ *outResetNeeded = true;
+ bumpGeneration();
+ }
+}
+
+void TouchInputMapper::dumpSurface(String8& dump) {
+ dump.appendFormat(INDENT3 "Viewport: displayId=%d, orientation=%d, "
+ "logicalFrame=[%d, %d, %d, %d], "
+ "physicalFrame=[%d, %d, %d, %d], "
+ "deviceSize=[%d, %d]\n",
+ mViewport.displayId, mViewport.orientation,
+ mViewport.logicalLeft, mViewport.logicalTop,
+ mViewport.logicalRight, mViewport.logicalBottom,
+ mViewport.physicalLeft, mViewport.physicalTop,
+ mViewport.physicalRight, mViewport.physicalBottom,
+ mViewport.deviceWidth, mViewport.deviceHeight);
+
+ dump.appendFormat(INDENT3 "SurfaceWidth: %dpx\n", mSurfaceWidth);
+ dump.appendFormat(INDENT3 "SurfaceHeight: %dpx\n", mSurfaceHeight);
+ dump.appendFormat(INDENT3 "SurfaceLeft: %d\n", mSurfaceLeft);
+ dump.appendFormat(INDENT3 "SurfaceTop: %d\n", mSurfaceTop);
+ dump.appendFormat(INDENT3 "SurfaceOrientation: %d\n", mSurfaceOrientation);
+}
+
+void TouchInputMapper::configureVirtualKeys() {
+ Vector<VirtualKeyDefinition> virtualKeyDefinitions;
+ getEventHub()->getVirtualKeyDefinitions(getDeviceId(), virtualKeyDefinitions);
+
+ mVirtualKeys.clear();
+
+ if (virtualKeyDefinitions.size() == 0) {
+ return;
+ }
+
+ mVirtualKeys.setCapacity(virtualKeyDefinitions.size());
+
+ int32_t touchScreenLeft = mRawPointerAxes.x.minValue;
+ int32_t touchScreenTop = mRawPointerAxes.y.minValue;
+ int32_t touchScreenWidth = mRawPointerAxes.x.maxValue - mRawPointerAxes.x.minValue + 1;
+ int32_t touchScreenHeight = mRawPointerAxes.y.maxValue - mRawPointerAxes.y.minValue + 1;
+
+ for (size_t i = 0; i < virtualKeyDefinitions.size(); i++) {
+ const VirtualKeyDefinition& virtualKeyDefinition =
+ virtualKeyDefinitions[i];
+
+ mVirtualKeys.add();
+ VirtualKey& virtualKey = mVirtualKeys.editTop();
+
+ virtualKey.scanCode = virtualKeyDefinition.scanCode;
+ int32_t keyCode;
+ uint32_t flags;
+ if (getEventHub()->mapKey(getDeviceId(), virtualKey.scanCode, 0, &keyCode, &flags)) {
+ ALOGW(INDENT "VirtualKey %d: could not obtain key code, ignoring",
+ virtualKey.scanCode);
+ mVirtualKeys.pop(); // drop the key
+ continue;
+ }
+
+ virtualKey.keyCode = keyCode;
+ virtualKey.flags = flags;
+
+ // convert the key definition's display coordinates into touch coordinates for a hit box
+ int32_t halfWidth = virtualKeyDefinition.width / 2;
+ int32_t halfHeight = virtualKeyDefinition.height / 2;
+
+ virtualKey.hitLeft = (virtualKeyDefinition.centerX - halfWidth)
+ * touchScreenWidth / mSurfaceWidth + touchScreenLeft;
+ virtualKey.hitRight= (virtualKeyDefinition.centerX + halfWidth)
+ * touchScreenWidth / mSurfaceWidth + touchScreenLeft;
+ virtualKey.hitTop = (virtualKeyDefinition.centerY - halfHeight)
+ * touchScreenHeight / mSurfaceHeight + touchScreenTop;
+ virtualKey.hitBottom = (virtualKeyDefinition.centerY + halfHeight)
+ * touchScreenHeight / mSurfaceHeight + touchScreenTop;
+ }
+}
+
+void TouchInputMapper::dumpVirtualKeys(String8& dump) {
+ if (!mVirtualKeys.isEmpty()) {
+ dump.append(INDENT3 "Virtual Keys:\n");
+
+ for (size_t i = 0; i < mVirtualKeys.size(); i++) {
+ const VirtualKey& virtualKey = mVirtualKeys.itemAt(i);
+ dump.appendFormat(INDENT4 "%d: scanCode=%d, keyCode=%d, "
+ "hitLeft=%d, hitRight=%d, hitTop=%d, hitBottom=%d\n",
+ i, virtualKey.scanCode, virtualKey.keyCode,
+ virtualKey.hitLeft, virtualKey.hitRight,
+ virtualKey.hitTop, virtualKey.hitBottom);
+ }
+ }
+}
+
+void TouchInputMapper::parseCalibration() {
+ const PropertyMap& in = getDevice()->getConfiguration();
+ Calibration& out = mCalibration;
+
+ // Size
+ out.sizeCalibration = Calibration::SIZE_CALIBRATION_DEFAULT;
+ String8 sizeCalibrationString;
+ if (in.tryGetProperty(String8("touch.size.calibration"), sizeCalibrationString)) {
+ if (sizeCalibrationString == "none") {
+ out.sizeCalibration = Calibration::SIZE_CALIBRATION_NONE;
+ } else if (sizeCalibrationString == "geometric") {
+ out.sizeCalibration = Calibration::SIZE_CALIBRATION_GEOMETRIC;
+ } else if (sizeCalibrationString == "diameter") {
+ out.sizeCalibration = Calibration::SIZE_CALIBRATION_DIAMETER;
+ } else if (sizeCalibrationString == "box") {
+ out.sizeCalibration = Calibration::SIZE_CALIBRATION_BOX;
+ } else if (sizeCalibrationString == "area") {
+ out.sizeCalibration = Calibration::SIZE_CALIBRATION_AREA;
+ } else if (sizeCalibrationString != "default") {
+ ALOGW("Invalid value for touch.size.calibration: '%s'",
+ sizeCalibrationString.string());
+ }
+ }
+
+ out.haveSizeScale = in.tryGetProperty(String8("touch.size.scale"),
+ out.sizeScale);
+ out.haveSizeBias = in.tryGetProperty(String8("touch.size.bias"),
+ out.sizeBias);
+ out.haveSizeIsSummed = in.tryGetProperty(String8("touch.size.isSummed"),
+ out.sizeIsSummed);
+
+ // Pressure
+ out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_DEFAULT;
+ String8 pressureCalibrationString;
+ if (in.tryGetProperty(String8("touch.pressure.calibration"), pressureCalibrationString)) {
+ if (pressureCalibrationString == "none") {
+ out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_NONE;
+ } else if (pressureCalibrationString == "physical") {
+ out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_PHYSICAL;
+ } else if (pressureCalibrationString == "amplitude") {
+ out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_AMPLITUDE;
+ } else if (pressureCalibrationString != "default") {
+ ALOGW("Invalid value for touch.pressure.calibration: '%s'",
+ pressureCalibrationString.string());
+ }
+ }
+
+ out.havePressureScale = in.tryGetProperty(String8("touch.pressure.scale"),
+ out.pressureScale);
+
+ // Orientation
+ out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_DEFAULT;
+ String8 orientationCalibrationString;
+ if (in.tryGetProperty(String8("touch.orientation.calibration"), orientationCalibrationString)) {
+ if (orientationCalibrationString == "none") {
+ out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_NONE;
+ } else if (orientationCalibrationString == "interpolated") {
+ out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_INTERPOLATED;
+ } else if (orientationCalibrationString == "vector") {
+ out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_VECTOR;
+ } else if (orientationCalibrationString != "default") {
+ ALOGW("Invalid value for touch.orientation.calibration: '%s'",
+ orientationCalibrationString.string());
+ }
+ }
+
+ // Distance
+ out.distanceCalibration = Calibration::DISTANCE_CALIBRATION_DEFAULT;
+ String8 distanceCalibrationString;
+ if (in.tryGetProperty(String8("touch.distance.calibration"), distanceCalibrationString)) {
+ if (distanceCalibrationString == "none") {
+ out.distanceCalibration = Calibration::DISTANCE_CALIBRATION_NONE;
+ } else if (distanceCalibrationString == "scaled") {
+ out.distanceCalibration = Calibration::DISTANCE_CALIBRATION_SCALED;
+ } else if (distanceCalibrationString != "default") {
+ ALOGW("Invalid value for touch.distance.calibration: '%s'",
+ distanceCalibrationString.string());
+ }
+ }
+
+ out.haveDistanceScale = in.tryGetProperty(String8("touch.distance.scale"),
+ out.distanceScale);
+
+ out.coverageCalibration = Calibration::COVERAGE_CALIBRATION_DEFAULT;
+ String8 coverageCalibrationString;
+ if (in.tryGetProperty(String8("touch.coverage.calibration"), coverageCalibrationString)) {
+ if (coverageCalibrationString == "none") {
+ out.coverageCalibration = Calibration::COVERAGE_CALIBRATION_NONE;
+ } else if (coverageCalibrationString == "box") {
+ out.coverageCalibration = Calibration::COVERAGE_CALIBRATION_BOX;
+ } else if (coverageCalibrationString != "default") {
+ ALOGW("Invalid value for touch.coverage.calibration: '%s'",
+ coverageCalibrationString.string());
+ }
+ }
+}
+
+void TouchInputMapper::resolveCalibration() {
+ // Size
+ if (mRawPointerAxes.touchMajor.valid || mRawPointerAxes.toolMajor.valid) {
+ if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_DEFAULT) {
+ mCalibration.sizeCalibration = Calibration::SIZE_CALIBRATION_GEOMETRIC;
+ }
+ } else {
+ mCalibration.sizeCalibration = Calibration::SIZE_CALIBRATION_NONE;
+ }
+
+ // Pressure
+ if (mRawPointerAxes.pressure.valid) {
+ if (mCalibration.pressureCalibration == Calibration::PRESSURE_CALIBRATION_DEFAULT) {
+ mCalibration.pressureCalibration = Calibration::PRESSURE_CALIBRATION_PHYSICAL;
+ }
+ } else {
+ mCalibration.pressureCalibration = Calibration::PRESSURE_CALIBRATION_NONE;
+ }
+
+ // Orientation
+ if (mRawPointerAxes.orientation.valid) {
+ if (mCalibration.orientationCalibration == Calibration::ORIENTATION_CALIBRATION_DEFAULT) {
+ mCalibration.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_INTERPOLATED;
+ }
+ } else {
+ mCalibration.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_NONE;
+ }
+
+ // Distance
+ if (mRawPointerAxes.distance.valid) {
+ if (mCalibration.distanceCalibration == Calibration::DISTANCE_CALIBRATION_DEFAULT) {
+ mCalibration.distanceCalibration = Calibration::DISTANCE_CALIBRATION_SCALED;
+ }
+ } else {
+ mCalibration.distanceCalibration = Calibration::DISTANCE_CALIBRATION_NONE;
+ }
+
+ // Coverage
+ if (mCalibration.coverageCalibration == Calibration::COVERAGE_CALIBRATION_DEFAULT) {
+ mCalibration.coverageCalibration = Calibration::COVERAGE_CALIBRATION_NONE;
+ }
+}
+
+void TouchInputMapper::dumpCalibration(String8& dump) {
+ dump.append(INDENT3 "Calibration:\n");
+
+ // Size
+ switch (mCalibration.sizeCalibration) {
+ case Calibration::SIZE_CALIBRATION_NONE:
+ dump.append(INDENT4 "touch.size.calibration: none\n");
+ break;
+ case Calibration::SIZE_CALIBRATION_GEOMETRIC:
+ dump.append(INDENT4 "touch.size.calibration: geometric\n");
+ break;
+ case Calibration::SIZE_CALIBRATION_DIAMETER:
+ dump.append(INDENT4 "touch.size.calibration: diameter\n");
+ break;
+ case Calibration::SIZE_CALIBRATION_BOX:
+ dump.append(INDENT4 "touch.size.calibration: box\n");
+ break;
+ case Calibration::SIZE_CALIBRATION_AREA:
+ dump.append(INDENT4 "touch.size.calibration: area\n");
+ break;
+ default:
+ ALOG_ASSERT(false);
+ }
+
+ if (mCalibration.haveSizeScale) {
+ dump.appendFormat(INDENT4 "touch.size.scale: %0.3f\n",
+ mCalibration.sizeScale);
+ }
+
+ if (mCalibration.haveSizeBias) {
+ dump.appendFormat(INDENT4 "touch.size.bias: %0.3f\n",
+ mCalibration.sizeBias);
+ }
+
+ if (mCalibration.haveSizeIsSummed) {
+ dump.appendFormat(INDENT4 "touch.size.isSummed: %s\n",
+ toString(mCalibration.sizeIsSummed));
+ }
+
+ // Pressure
+ switch (mCalibration.pressureCalibration) {
+ case Calibration::PRESSURE_CALIBRATION_NONE:
+ dump.append(INDENT4 "touch.pressure.calibration: none\n");
+ break;
+ case Calibration::PRESSURE_CALIBRATION_PHYSICAL:
+ dump.append(INDENT4 "touch.pressure.calibration: physical\n");
+ break;
+ case Calibration::PRESSURE_CALIBRATION_AMPLITUDE:
+ dump.append(INDENT4 "touch.pressure.calibration: amplitude\n");
+ break;
+ default:
+ ALOG_ASSERT(false);
+ }
+
+ if (mCalibration.havePressureScale) {
+ dump.appendFormat(INDENT4 "touch.pressure.scale: %0.3f\n",
+ mCalibration.pressureScale);
+ }
+
+ // Orientation
+ switch (mCalibration.orientationCalibration) {
+ case Calibration::ORIENTATION_CALIBRATION_NONE:
+ dump.append(INDENT4 "touch.orientation.calibration: none\n");
+ break;
+ case Calibration::ORIENTATION_CALIBRATION_INTERPOLATED:
+ dump.append(INDENT4 "touch.orientation.calibration: interpolated\n");
+ break;
+ case Calibration::ORIENTATION_CALIBRATION_VECTOR:
+ dump.append(INDENT4 "touch.orientation.calibration: vector\n");
+ break;
+ default:
+ ALOG_ASSERT(false);
+ }
+
+ // Distance
+ switch (mCalibration.distanceCalibration) {
+ case Calibration::DISTANCE_CALIBRATION_NONE:
+ dump.append(INDENT4 "touch.distance.calibration: none\n");
+ break;
+ case Calibration::DISTANCE_CALIBRATION_SCALED:
+ dump.append(INDENT4 "touch.distance.calibration: scaled\n");
+ break;
+ default:
+ ALOG_ASSERT(false);
+ }
+
+ if (mCalibration.haveDistanceScale) {
+ dump.appendFormat(INDENT4 "touch.distance.scale: %0.3f\n",
+ mCalibration.distanceScale);
+ }
+
+ switch (mCalibration.coverageCalibration) {
+ case Calibration::COVERAGE_CALIBRATION_NONE:
+ dump.append(INDENT4 "touch.coverage.calibration: none\n");
+ break;
+ case Calibration::COVERAGE_CALIBRATION_BOX:
+ dump.append(INDENT4 "touch.coverage.calibration: box\n");
+ break;
+ default:
+ ALOG_ASSERT(false);
+ }
+}
+
+void TouchInputMapper::reset(nsecs_t when) {
+ mCursorButtonAccumulator.reset(getDevice());
+ mCursorScrollAccumulator.reset(getDevice());
+ mTouchButtonAccumulator.reset(getDevice());
+
+ mPointerVelocityControl.reset();
+ mWheelXVelocityControl.reset();
+ mWheelYVelocityControl.reset();
+
+ mCurrentRawPointerData.clear();
+ mLastRawPointerData.clear();
+ mCurrentCookedPointerData.clear();
+ mLastCookedPointerData.clear();
+ mCurrentButtonState = 0;
+ mLastButtonState = 0;
+ mCurrentRawVScroll = 0;
+ mCurrentRawHScroll = 0;
+ mCurrentFingerIdBits.clear();
+ mLastFingerIdBits.clear();
+ mCurrentStylusIdBits.clear();
+ mLastStylusIdBits.clear();
+ mCurrentMouseIdBits.clear();
+ mLastMouseIdBits.clear();
+ mPointerUsage = POINTER_USAGE_NONE;
+ mSentHoverEnter = false;
+ mDownTime = 0;
+
+ mCurrentVirtualKey.down = false;
+
+ mPointerGesture.reset();
+ mPointerSimple.reset();
+
+ if (mPointerController != NULL) {
+ mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
+ mPointerController->clearSpots();
+ }
+
+ InputMapper::reset(when);
+}
+
+void TouchInputMapper::process(const RawEvent* rawEvent) {
+ mCursorButtonAccumulator.process(rawEvent);
+ mCursorScrollAccumulator.process(rawEvent);
+ mTouchButtonAccumulator.process(rawEvent);
+
+ if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
+ sync(rawEvent->when);
+ }
+}
+
+void TouchInputMapper::sync(nsecs_t when) {
+ // Sync button state.
+ mCurrentButtonState = mTouchButtonAccumulator.getButtonState()
+ | mCursorButtonAccumulator.getButtonState();
+
+ // Sync scroll state.
+ mCurrentRawVScroll = mCursorScrollAccumulator.getRelativeVWheel();
+ mCurrentRawHScroll = mCursorScrollAccumulator.getRelativeHWheel();
+ mCursorScrollAccumulator.finishSync();
+
+ // Sync touch state.
+ bool havePointerIds = true;
+ mCurrentRawPointerData.clear();
+ syncTouch(when, &havePointerIds);
+
+#if DEBUG_RAW_EVENTS
+ if (!havePointerIds) {
+ ALOGD("syncTouch: pointerCount %d -> %d, no pointer ids",
+ mLastRawPointerData.pointerCount,
+ mCurrentRawPointerData.pointerCount);
+ } else {
+ ALOGD("syncTouch: pointerCount %d -> %d, touching ids 0x%08x -> 0x%08x, "
+ "hovering ids 0x%08x -> 0x%08x",
+ mLastRawPointerData.pointerCount,
+ mCurrentRawPointerData.pointerCount,
+ mLastRawPointerData.touchingIdBits.value,
+ mCurrentRawPointerData.touchingIdBits.value,
+ mLastRawPointerData.hoveringIdBits.value,
+ mCurrentRawPointerData.hoveringIdBits.value);
+ }
+#endif
+
+ // Reset state that we will compute below.
+ mCurrentFingerIdBits.clear();
+ mCurrentStylusIdBits.clear();
+ mCurrentMouseIdBits.clear();
+ mCurrentCookedPointerData.clear();
+
+ if (mDeviceMode == DEVICE_MODE_DISABLED) {
+ // Drop all input if the device is disabled.
+ mCurrentRawPointerData.clear();
+ mCurrentButtonState = 0;
+ } else {
+ // Preprocess pointer data.
+ if (!havePointerIds) {
+ assignPointerIds();
+ }
+
+ // Handle policy on initial down or hover events.
+ uint32_t policyFlags = 0;
+ bool initialDown = mLastRawPointerData.pointerCount == 0
+ && mCurrentRawPointerData.pointerCount != 0;
+ bool buttonsPressed = mCurrentButtonState & ~mLastButtonState;
+ if (initialDown || buttonsPressed) {
+ // If this is a touch screen, hide the pointer on an initial down.
+ if (mDeviceMode == DEVICE_MODE_DIRECT) {
+ getContext()->fadePointer();
+ }
+
+ // Initial downs on external touch devices should wake the device.
+ // We don't do this for internal touch screens to prevent them from waking
+ // up in your pocket.
+ // TODO: Use the input device configuration to control this behavior more finely.
+ if (getDevice()->isExternal()) {
+ policyFlags |= POLICY_FLAG_WAKE_DROPPED;
+ }
+ }
+
+ // Synthesize key down from raw buttons if needed.
+ synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_DOWN, when, getDeviceId(), mSource,
+ policyFlags, mLastButtonState, mCurrentButtonState);
+
+ // Consume raw off-screen touches before cooking pointer data.
+ // If touches are consumed, subsequent code will not receive any pointer data.
+ if (consumeRawTouches(when, policyFlags)) {
+ mCurrentRawPointerData.clear();
+ }
+
+ // Cook pointer data. This call populates the mCurrentCookedPointerData structure
+ // with cooked pointer data that has the same ids and indices as the raw data.
+ // The following code can use either the raw or cooked data, as needed.
+ cookPointerData();
+
+ // Dispatch the touches either directly or by translation through a pointer on screen.
+ if (mDeviceMode == DEVICE_MODE_POINTER) {
+ for (BitSet32 idBits(mCurrentRawPointerData.touchingIdBits); !idBits.isEmpty(); ) {
+ uint32_t id = idBits.clearFirstMarkedBit();
+ const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
+ if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS
+ || pointer.toolType == AMOTION_EVENT_TOOL_TYPE_ERASER) {
+ mCurrentStylusIdBits.markBit(id);
+ } else if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_FINGER
+ || pointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
+ mCurrentFingerIdBits.markBit(id);
+ } else if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_MOUSE) {
+ mCurrentMouseIdBits.markBit(id);
+ }
+ }
+ for (BitSet32 idBits(mCurrentRawPointerData.hoveringIdBits); !idBits.isEmpty(); ) {
+ uint32_t id = idBits.clearFirstMarkedBit();
+ const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
+ if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS
+ || pointer.toolType == AMOTION_EVENT_TOOL_TYPE_ERASER) {
+ mCurrentStylusIdBits.markBit(id);
+ }
+ }
+
+ // Stylus takes precedence over all tools, then mouse, then finger.
+ PointerUsage pointerUsage = mPointerUsage;
+ if (!mCurrentStylusIdBits.isEmpty()) {
+ mCurrentMouseIdBits.clear();
+ mCurrentFingerIdBits.clear();
+ pointerUsage = POINTER_USAGE_STYLUS;
+ } else if (!mCurrentMouseIdBits.isEmpty()) {
+ mCurrentFingerIdBits.clear();
+ pointerUsage = POINTER_USAGE_MOUSE;
+ } else if (!mCurrentFingerIdBits.isEmpty() || isPointerDown(mCurrentButtonState)) {
+ pointerUsage = POINTER_USAGE_GESTURES;
+ }
+
+ dispatchPointerUsage(when, policyFlags, pointerUsage);
+ } else {
+ if (mDeviceMode == DEVICE_MODE_DIRECT
+ && mConfig.showTouches && mPointerController != NULL) {
+ mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_SPOT);
+ mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
+
+ mPointerController->setButtonState(mCurrentButtonState);
+ mPointerController->setSpots(mCurrentCookedPointerData.pointerCoords,
+ mCurrentCookedPointerData.idToIndex,
+ mCurrentCookedPointerData.touchingIdBits);
+ }
+
+ dispatchHoverExit(when, policyFlags);
+ dispatchTouches(when, policyFlags);
+ dispatchHoverEnterAndMove(when, policyFlags);
+ }
+
+ // Synthesize key up from raw buttons if needed.
+ synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_UP, when, getDeviceId(), mSource,
+ policyFlags, mLastButtonState, mCurrentButtonState);
+ }
+
+ // Copy current touch to last touch in preparation for the next cycle.
+ mLastRawPointerData.copyFrom(mCurrentRawPointerData);
+ mLastCookedPointerData.copyFrom(mCurrentCookedPointerData);
+ mLastButtonState = mCurrentButtonState;
+ mLastFingerIdBits = mCurrentFingerIdBits;
+ mLastStylusIdBits = mCurrentStylusIdBits;
+ mLastMouseIdBits = mCurrentMouseIdBits;
+
+ // Clear some transient state.
+ mCurrentRawVScroll = 0;
+ mCurrentRawHScroll = 0;
+}
+
+void TouchInputMapper::timeoutExpired(nsecs_t when) {
+ if (mDeviceMode == DEVICE_MODE_POINTER) {
+ if (mPointerUsage == POINTER_USAGE_GESTURES) {
+ dispatchPointerGestures(when, 0 /*policyFlags*/, true /*isTimeout*/);
+ }
+ }
+}
+
+bool TouchInputMapper::consumeRawTouches(nsecs_t when, uint32_t policyFlags) {
+ // Check for release of a virtual key.
+ if (mCurrentVirtualKey.down) {
+ if (mCurrentRawPointerData.touchingIdBits.isEmpty()) {
+ // Pointer went up while virtual key was down.
+ mCurrentVirtualKey.down = false;
+ if (!mCurrentVirtualKey.ignored) {
+#if DEBUG_VIRTUAL_KEYS
+ ALOGD("VirtualKeys: Generating key up: keyCode=%d, scanCode=%d",
+ mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
+#endif
+ dispatchVirtualKey(when, policyFlags,
+ AKEY_EVENT_ACTION_UP,
+ AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
+ }
+ return true;
+ }
+
+ if (mCurrentRawPointerData.touchingIdBits.count() == 1) {
+ uint32_t id = mCurrentRawPointerData.touchingIdBits.firstMarkedBit();
+ const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
+ const VirtualKey* virtualKey = findVirtualKeyHit(pointer.x, pointer.y);
+ if (virtualKey && virtualKey->keyCode == mCurrentVirtualKey.keyCode) {
+ // Pointer is still within the space of the virtual key.
+ return true;
+ }
+ }
+
+ // Pointer left virtual key area or another pointer also went down.
+ // Send key cancellation but do not consume the touch yet.
+ // This is useful when the user swipes through from the virtual key area
+ // into the main display surface.
+ mCurrentVirtualKey.down = false;
+ if (!mCurrentVirtualKey.ignored) {
+#if DEBUG_VIRTUAL_KEYS
+ ALOGD("VirtualKeys: Canceling key: keyCode=%d, scanCode=%d",
+ mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
+#endif
+ dispatchVirtualKey(when, policyFlags,
+ AKEY_EVENT_ACTION_UP,
+ AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY
+ | AKEY_EVENT_FLAG_CANCELED);
+ }
+ }
+
+ if (mLastRawPointerData.touchingIdBits.isEmpty()
+ && !mCurrentRawPointerData.touchingIdBits.isEmpty()) {
+ // Pointer just went down. Check for virtual key press or off-screen touches.
+ uint32_t id = mCurrentRawPointerData.touchingIdBits.firstMarkedBit();
+ const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
+ if (!isPointInsideSurface(pointer.x, pointer.y)) {
+ // If exactly one pointer went down, check for virtual key hit.
+ // Otherwise we will drop the entire stroke.
+ if (mCurrentRawPointerData.touchingIdBits.count() == 1) {
+ const VirtualKey* virtualKey = findVirtualKeyHit(pointer.x, pointer.y);
+ if (virtualKey) {
+ mCurrentVirtualKey.down = true;
+ mCurrentVirtualKey.downTime = when;
+ mCurrentVirtualKey.keyCode = virtualKey->keyCode;
+ mCurrentVirtualKey.scanCode = virtualKey->scanCode;
+ mCurrentVirtualKey.ignored = mContext->shouldDropVirtualKey(
+ when, getDevice(), virtualKey->keyCode, virtualKey->scanCode);
+
+ if (!mCurrentVirtualKey.ignored) {
+#if DEBUG_VIRTUAL_KEYS
+ ALOGD("VirtualKeys: Generating key down: keyCode=%d, scanCode=%d",
+ mCurrentVirtualKey.keyCode,
+ mCurrentVirtualKey.scanCode);
+#endif
+ dispatchVirtualKey(when, policyFlags,
+ AKEY_EVENT_ACTION_DOWN,
+ AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
+ }
+ }
+ }
+ return true;
+ }
+ }
+
+ // Disable all virtual key touches that happen within a short time interval of the
+ // most recent touch within the screen area. The idea is to filter out stray
+ // virtual key presses when interacting with the touch screen.
+ //
+ // Problems we're trying to solve:
+ //
+ // 1. While scrolling a list or dragging the window shade, the user swipes down into a
+ // virtual key area that is implemented by a separate touch panel and accidentally
+ // triggers a virtual key.
+ //
+ // 2. While typing in the on screen keyboard, the user taps slightly outside the screen
+ // area and accidentally triggers a virtual key. This often happens when virtual keys
+ // are layed out below the screen near to where the on screen keyboard's space bar
+ // is displayed.
+ if (mConfig.virtualKeyQuietTime > 0 && !mCurrentRawPointerData.touchingIdBits.isEmpty()) {
+ mContext->disableVirtualKeysUntil(when + mConfig.virtualKeyQuietTime);
+ }
+ return false;
+}
+
+void TouchInputMapper::dispatchVirtualKey(nsecs_t when, uint32_t policyFlags,
+ int32_t keyEventAction, int32_t keyEventFlags) {
+ int32_t keyCode = mCurrentVirtualKey.keyCode;
+ int32_t scanCode = mCurrentVirtualKey.scanCode;
+ nsecs_t downTime = mCurrentVirtualKey.downTime;
+ int32_t metaState = mContext->getGlobalMetaState();
+ policyFlags |= POLICY_FLAG_VIRTUAL;
+
+ NotifyKeyArgs args(when, getDeviceId(), AINPUT_SOURCE_KEYBOARD, policyFlags,
+ keyEventAction, keyEventFlags, keyCode, scanCode, metaState, downTime);
+ getListener()->notifyKey(&args);
+}
+
+void TouchInputMapper::dispatchTouches(nsecs_t when, uint32_t policyFlags) {
+ BitSet32 currentIdBits = mCurrentCookedPointerData.touchingIdBits;
+ BitSet32 lastIdBits = mLastCookedPointerData.touchingIdBits;
+ int32_t metaState = getContext()->getGlobalMetaState();
+ int32_t buttonState = mCurrentButtonState;
+
+ if (currentIdBits == lastIdBits) {
+ if (!currentIdBits.isEmpty()) {
+ // No pointer id changes so this is a move event.
+ // The listener takes care of batching moves so we don't have to deal with that here.
+ dispatchMotion(when, policyFlags, mSource,
+ AMOTION_EVENT_ACTION_MOVE, 0, metaState, buttonState,
+ AMOTION_EVENT_EDGE_FLAG_NONE,
+ mCurrentCookedPointerData.pointerProperties,
+ mCurrentCookedPointerData.pointerCoords,
+ mCurrentCookedPointerData.idToIndex,
+ currentIdBits, -1,
+ mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+ }
+ } else {
+ // There may be pointers going up and pointers going down and pointers moving
+ // all at the same time.
+ BitSet32 upIdBits(lastIdBits.value & ~currentIdBits.value);
+ BitSet32 downIdBits(currentIdBits.value & ~lastIdBits.value);
+ BitSet32 moveIdBits(lastIdBits.value & currentIdBits.value);
+ BitSet32 dispatchedIdBits(lastIdBits.value);
+
+ // Update last coordinates of pointers that have moved so that we observe the new
+ // pointer positions at the same time as other pointers that have just gone up.
+ bool moveNeeded = updateMovedPointers(
+ mCurrentCookedPointerData.pointerProperties,
+ mCurrentCookedPointerData.pointerCoords,
+ mCurrentCookedPointerData.idToIndex,
+ mLastCookedPointerData.pointerProperties,
+ mLastCookedPointerData.pointerCoords,
+ mLastCookedPointerData.idToIndex,
+ moveIdBits);
+ if (buttonState != mLastButtonState) {
+ moveNeeded = true;
+ }
+
+ // Dispatch pointer up events.
+ while (!upIdBits.isEmpty()) {
+ uint32_t upId = upIdBits.clearFirstMarkedBit();
+
+ dispatchMotion(when, policyFlags, mSource,
+ AMOTION_EVENT_ACTION_POINTER_UP, 0, metaState, buttonState, 0,
+ mLastCookedPointerData.pointerProperties,
+ mLastCookedPointerData.pointerCoords,
+ mLastCookedPointerData.idToIndex,
+ dispatchedIdBits, upId,
+ mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+ dispatchedIdBits.clearBit(upId);
+ }
+
+ // Dispatch move events if any of the remaining pointers moved from their old locations.
+ // Although applications receive new locations as part of individual pointer up
+ // events, they do not generally handle them except when presented in a move event.
+ if (moveNeeded) {
+ ALOG_ASSERT(moveIdBits.value == dispatchedIdBits.value);
+ dispatchMotion(when, policyFlags, mSource,
+ AMOTION_EVENT_ACTION_MOVE, 0, metaState, buttonState, 0,
+ mCurrentCookedPointerData.pointerProperties,
+ mCurrentCookedPointerData.pointerCoords,
+ mCurrentCookedPointerData.idToIndex,
+ dispatchedIdBits, -1,
+ mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+ }
+
+ // Dispatch pointer down events using the new pointer locations.
+ while (!downIdBits.isEmpty()) {
+ uint32_t downId = downIdBits.clearFirstMarkedBit();
+ dispatchedIdBits.markBit(downId);
+
+ if (dispatchedIdBits.count() == 1) {
+ // First pointer is going down. Set down time.
+ mDownTime = when;
+ }
+
+ dispatchMotion(when, policyFlags, mSource,
+ AMOTION_EVENT_ACTION_POINTER_DOWN, 0, metaState, buttonState, 0,
+ mCurrentCookedPointerData.pointerProperties,
+ mCurrentCookedPointerData.pointerCoords,
+ mCurrentCookedPointerData.idToIndex,
+ dispatchedIdBits, downId,
+ mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+ }
+ }
+}
+
+void TouchInputMapper::dispatchHoverExit(nsecs_t when, uint32_t policyFlags) {
+ if (mSentHoverEnter &&
+ (mCurrentCookedPointerData.hoveringIdBits.isEmpty()
+ || !mCurrentCookedPointerData.touchingIdBits.isEmpty())) {
+ int32_t metaState = getContext()->getGlobalMetaState();
+ dispatchMotion(when, policyFlags, mSource,
+ AMOTION_EVENT_ACTION_HOVER_EXIT, 0, metaState, mLastButtonState, 0,
+ mLastCookedPointerData.pointerProperties,
+ mLastCookedPointerData.pointerCoords,
+ mLastCookedPointerData.idToIndex,
+ mLastCookedPointerData.hoveringIdBits, -1,
+ mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+ mSentHoverEnter = false;
+ }
+}
+
+void TouchInputMapper::dispatchHoverEnterAndMove(nsecs_t when, uint32_t policyFlags) {
+ if (mCurrentCookedPointerData.touchingIdBits.isEmpty()
+ && !mCurrentCookedPointerData.hoveringIdBits.isEmpty()) {
+ int32_t metaState = getContext()->getGlobalMetaState();
+ if (!mSentHoverEnter) {
+ dispatchMotion(when, policyFlags, mSource,
+ AMOTION_EVENT_ACTION_HOVER_ENTER, 0, metaState, mCurrentButtonState, 0,
+ mCurrentCookedPointerData.pointerProperties,
+ mCurrentCookedPointerData.pointerCoords,
+ mCurrentCookedPointerData.idToIndex,
+ mCurrentCookedPointerData.hoveringIdBits, -1,
+ mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+ mSentHoverEnter = true;
+ }
+
+ dispatchMotion(when, policyFlags, mSource,
+ AMOTION_EVENT_ACTION_HOVER_MOVE, 0, metaState, mCurrentButtonState, 0,
+ mCurrentCookedPointerData.pointerProperties,
+ mCurrentCookedPointerData.pointerCoords,
+ mCurrentCookedPointerData.idToIndex,
+ mCurrentCookedPointerData.hoveringIdBits, -1,
+ mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+ }
+}
+
+void TouchInputMapper::cookPointerData() {
+ uint32_t currentPointerCount = mCurrentRawPointerData.pointerCount;
+
+ mCurrentCookedPointerData.clear();
+ mCurrentCookedPointerData.pointerCount = currentPointerCount;
+ mCurrentCookedPointerData.hoveringIdBits = mCurrentRawPointerData.hoveringIdBits;
+ mCurrentCookedPointerData.touchingIdBits = mCurrentRawPointerData.touchingIdBits;
+
+ // Walk through the the active pointers and map device coordinates onto
+ // surface coordinates and adjust for display orientation.
+ for (uint32_t i = 0; i < currentPointerCount; i++) {
+ const RawPointerData::Pointer& in = mCurrentRawPointerData.pointers[i];
+
+ // Size
+ float touchMajor, touchMinor, toolMajor, toolMinor, size;
+ switch (mCalibration.sizeCalibration) {
+ case Calibration::SIZE_CALIBRATION_GEOMETRIC:
+ case Calibration::SIZE_CALIBRATION_DIAMETER:
+ case Calibration::SIZE_CALIBRATION_BOX:
+ case Calibration::SIZE_CALIBRATION_AREA:
+ if (mRawPointerAxes.touchMajor.valid && mRawPointerAxes.toolMajor.valid) {
+ touchMajor = in.touchMajor;
+ touchMinor = mRawPointerAxes.touchMinor.valid ? in.touchMinor : in.touchMajor;
+ toolMajor = in.toolMajor;
+ toolMinor = mRawPointerAxes.toolMinor.valid ? in.toolMinor : in.toolMajor;
+ size = mRawPointerAxes.touchMinor.valid
+ ? avg(in.touchMajor, in.touchMinor) : in.touchMajor;
+ } else if (mRawPointerAxes.touchMajor.valid) {
+ toolMajor = touchMajor = in.touchMajor;
+ toolMinor = touchMinor = mRawPointerAxes.touchMinor.valid
+ ? in.touchMinor : in.touchMajor;
+ size = mRawPointerAxes.touchMinor.valid
+ ? avg(in.touchMajor, in.touchMinor) : in.touchMajor;
+ } else if (mRawPointerAxes.toolMajor.valid) {
+ touchMajor = toolMajor = in.toolMajor;
+ touchMinor = toolMinor = mRawPointerAxes.toolMinor.valid
+ ? in.toolMinor : in.toolMajor;
+ size = mRawPointerAxes.toolMinor.valid
+ ? avg(in.toolMajor, in.toolMinor) : in.toolMajor;
+ } else {
+ ALOG_ASSERT(false, "No touch or tool axes. "
+ "Size calibration should have been resolved to NONE.");
+ touchMajor = 0;
+ touchMinor = 0;
+ toolMajor = 0;
+ toolMinor = 0;
+ size = 0;
+ }
+
+ if (mCalibration.haveSizeIsSummed && mCalibration.sizeIsSummed) {
+ uint32_t touchingCount = mCurrentRawPointerData.touchingIdBits.count();
+ if (touchingCount > 1) {
+ touchMajor /= touchingCount;
+ touchMinor /= touchingCount;
+ toolMajor /= touchingCount;
+ toolMinor /= touchingCount;
+ size /= touchingCount;
+ }
+ }
+
+ if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_GEOMETRIC) {
+ touchMajor *= mGeometricScale;
+ touchMinor *= mGeometricScale;
+ toolMajor *= mGeometricScale;
+ toolMinor *= mGeometricScale;
+ } else if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_AREA) {
+ touchMajor = touchMajor > 0 ? sqrtf(touchMajor) : 0;
+ touchMinor = touchMajor;
+ toolMajor = toolMajor > 0 ? sqrtf(toolMajor) : 0;
+ toolMinor = toolMajor;
+ } else if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_DIAMETER) {
+ touchMinor = touchMajor;
+ toolMinor = toolMajor;
+ }
+
+ mCalibration.applySizeScaleAndBias(&touchMajor);
+ mCalibration.applySizeScaleAndBias(&touchMinor);
+ mCalibration.applySizeScaleAndBias(&toolMajor);
+ mCalibration.applySizeScaleAndBias(&toolMinor);
+ size *= mSizeScale;
+ break;
+ default:
+ touchMajor = 0;
+ touchMinor = 0;
+ toolMajor = 0;
+ toolMinor = 0;
+ size = 0;
+ break;
+ }
+
+ // Pressure
+ float pressure;
+ switch (mCalibration.pressureCalibration) {
+ case Calibration::PRESSURE_CALIBRATION_PHYSICAL:
+ case Calibration::PRESSURE_CALIBRATION_AMPLITUDE:
+ pressure = in.pressure * mPressureScale;
+ break;
+ default:
+ pressure = in.isHovering ? 0 : 1;
+ break;
+ }
+
+ // Tilt and Orientation
+ float tilt;
+ float orientation;
+ if (mHaveTilt) {
+ float tiltXAngle = (in.tiltX - mTiltXCenter) * mTiltXScale;
+ float tiltYAngle = (in.tiltY - mTiltYCenter) * mTiltYScale;
+ orientation = atan2f(-sinf(tiltXAngle), sinf(tiltYAngle));
+ tilt = acosf(cosf(tiltXAngle) * cosf(tiltYAngle));
+ } else {
+ tilt = 0;
+
+ switch (mCalibration.orientationCalibration) {
+ case Calibration::ORIENTATION_CALIBRATION_INTERPOLATED:
+ orientation = in.orientation * mOrientationScale;
+ break;
+ case Calibration::ORIENTATION_CALIBRATION_VECTOR: {
+ int32_t c1 = signExtendNybble((in.orientation & 0xf0) >> 4);
+ int32_t c2 = signExtendNybble(in.orientation & 0x0f);
+ if (c1 != 0 || c2 != 0) {
+ orientation = atan2f(c1, c2) * 0.5f;
+ float confidence = hypotf(c1, c2);
+ float scale = 1.0f + confidence / 16.0f;
+ touchMajor *= scale;
+ touchMinor /= scale;
+ toolMajor *= scale;
+ toolMinor /= scale;
+ } else {
+ orientation = 0;
+ }
+ break;
+ }
+ default:
+ orientation = 0;
+ }
+ }
+
+ // Distance
+ float distance;
+ switch (mCalibration.distanceCalibration) {
+ case Calibration::DISTANCE_CALIBRATION_SCALED:
+ distance = in.distance * mDistanceScale;
+ break;
+ default:
+ distance = 0;
+ }
+
+ // Coverage
+ int32_t rawLeft, rawTop, rawRight, rawBottom;
+ switch (mCalibration.coverageCalibration) {
+ case Calibration::COVERAGE_CALIBRATION_BOX:
+ rawLeft = (in.toolMinor & 0xffff0000) >> 16;
+ rawRight = in.toolMinor & 0x0000ffff;
+ rawBottom = in.toolMajor & 0x0000ffff;
+ rawTop = (in.toolMajor & 0xffff0000) >> 16;
+ break;
+ default:
+ rawLeft = rawTop = rawRight = rawBottom = 0;
+ break;
+ }
+
+ // X, Y, and the bounding box for coverage information
+ // Adjust coords for surface orientation.
+ float x, y, left, top, right, bottom;
+ switch (mSurfaceOrientation) {
+ case DISPLAY_ORIENTATION_90:
+ x = float(in.y - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
+ y = float(mRawPointerAxes.x.maxValue - in.x) * mXScale + mXTranslate;
+ left = float(rawTop - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
+ right = float(rawBottom- mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
+ bottom = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale + mXTranslate;
+ top = float(mRawPointerAxes.x.maxValue - rawRight) * mXScale + mXTranslate;
+ orientation -= M_PI_2;
+ if (orientation < mOrientedRanges.orientation.min) {
+ orientation += (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min);
+ }
+ break;
+ case DISPLAY_ORIENTATION_180:
+ x = float(mRawPointerAxes.x.maxValue - in.x) * mXScale + mXTranslate;
+ y = float(mRawPointerAxes.y.maxValue - in.y) * mYScale + mYTranslate;
+ left = float(mRawPointerAxes.x.maxValue - rawRight) * mXScale + mXTranslate;
+ right = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale + mXTranslate;
+ bottom = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale + mYTranslate;
+ top = float(mRawPointerAxes.y.maxValue - rawBottom) * mYScale + mYTranslate;
+ orientation -= M_PI;
+ if (orientation < mOrientedRanges.orientation.min) {
+ orientation += (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min);
+ }
+ break;
+ case DISPLAY_ORIENTATION_270:
+ x = float(mRawPointerAxes.y.maxValue - in.y) * mYScale + mYTranslate;
+ y = float(in.x - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
+ left = float(mRawPointerAxes.y.maxValue - rawBottom) * mYScale + mYTranslate;
+ right = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale + mYTranslate;
+ bottom = float(rawRight - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
+ top = float(rawLeft - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
+ orientation += M_PI_2;
+ if (orientation > mOrientedRanges.orientation.max) {
+ orientation -= (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min);
+ }
+ break;
+ default:
+ x = float(in.x - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
+ y = float(in.y - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
+ left = float(rawLeft - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
+ right = float(rawRight - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
+ bottom = float(rawBottom - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
+ top = float(rawTop - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
+ break;
+ }
+
+ // Write output coords.
+ PointerCoords& out = mCurrentCookedPointerData.pointerCoords[i];
+ out.clear();
+ out.setAxisValue(AMOTION_EVENT_AXIS_X, x);
+ out.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
+ out.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, pressure);
+ out.setAxisValue(AMOTION_EVENT_AXIS_SIZE, size);
+ out.setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, touchMajor);
+ out.setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, touchMinor);
+ out.setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, orientation);
+ out.setAxisValue(AMOTION_EVENT_AXIS_TILT, tilt);
+ out.setAxisValue(AMOTION_EVENT_AXIS_DISTANCE, distance);
+ if (mCalibration.coverageCalibration == Calibration::COVERAGE_CALIBRATION_BOX) {
+ out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_1, left);
+ out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_2, top);
+ out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_3, right);
+ out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_4, bottom);
+ } else {
+ out.setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, toolMajor);
+ out.setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, toolMinor);
+ }
+
+ // Write output properties.
+ PointerProperties& properties = mCurrentCookedPointerData.pointerProperties[i];
+ uint32_t id = in.id;
+ properties.clear();
+ properties.id = id;
+ properties.toolType = in.toolType;
+
+ // Write id index.
+ mCurrentCookedPointerData.idToIndex[id] = i;
+ }
+}
+
+void TouchInputMapper::dispatchPointerUsage(nsecs_t when, uint32_t policyFlags,
+ PointerUsage pointerUsage) {
+ if (pointerUsage != mPointerUsage) {
+ abortPointerUsage(when, policyFlags);
+ mPointerUsage = pointerUsage;
+ }
+
+ switch (mPointerUsage) {
+ case POINTER_USAGE_GESTURES:
+ dispatchPointerGestures(when, policyFlags, false /*isTimeout*/);
+ break;
+ case POINTER_USAGE_STYLUS:
+ dispatchPointerStylus(when, policyFlags);
+ break;
+ case POINTER_USAGE_MOUSE:
+ dispatchPointerMouse(when, policyFlags);
+ break;
+ default:
+ break;
+ }
+}
+
+void TouchInputMapper::abortPointerUsage(nsecs_t when, uint32_t policyFlags) {
+ switch (mPointerUsage) {
+ case POINTER_USAGE_GESTURES:
+ abortPointerGestures(when, policyFlags);
+ break;
+ case POINTER_USAGE_STYLUS:
+ abortPointerStylus(when, policyFlags);
+ break;
+ case POINTER_USAGE_MOUSE:
+ abortPointerMouse(when, policyFlags);
+ break;
+ default:
+ break;
+ }
+
+ mPointerUsage = POINTER_USAGE_NONE;
+}
+
+void TouchInputMapper::dispatchPointerGestures(nsecs_t when, uint32_t policyFlags,
+ bool isTimeout) {
+ // Update current gesture coordinates.
+ bool cancelPreviousGesture, finishPreviousGesture;
+ bool sendEvents = preparePointerGestures(when,
+ &cancelPreviousGesture, &finishPreviousGesture, isTimeout);
+ if (!sendEvents) {
+ return;
+ }
+ if (finishPreviousGesture) {
+ cancelPreviousGesture = false;
+ }
+
+ // Update the pointer presentation and spots.
+ if (mParameters.gestureMode == Parameters::GESTURE_MODE_SPOTS) {
+ mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_SPOT);
+ if (finishPreviousGesture || cancelPreviousGesture) {
+ mPointerController->clearSpots();
+ }
+ mPointerController->setSpots(mPointerGesture.currentGestureCoords,
+ mPointerGesture.currentGestureIdToIndex,
+ mPointerGesture.currentGestureIdBits);
+ } else {
+ mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_POINTER);
+ }
+
+ // Show or hide the pointer if needed.
+ switch (mPointerGesture.currentGestureMode) {
+ case PointerGesture::NEUTRAL:
+ case PointerGesture::QUIET:
+ if (mParameters.gestureMode == Parameters::GESTURE_MODE_SPOTS
+ && (mPointerGesture.lastGestureMode == PointerGesture::SWIPE
+ || mPointerGesture.lastGestureMode == PointerGesture::FREEFORM)) {
+ // Remind the user of where the pointer is after finishing a gesture with spots.
+ mPointerController->unfade(PointerControllerInterface::TRANSITION_GRADUAL);
+ }
+ break;
+ case PointerGesture::TAP:
+ case PointerGesture::TAP_DRAG:
+ case PointerGesture::BUTTON_CLICK_OR_DRAG:
+ case PointerGesture::HOVER:
+ case PointerGesture::PRESS:
+ // Unfade the pointer when the current gesture manipulates the
+ // area directly under the pointer.
+ mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
+ break;
+ case PointerGesture::SWIPE:
+ case PointerGesture::FREEFORM:
+ // Fade the pointer when the current gesture manipulates a different
+ // area and there are spots to guide the user experience.
+ if (mParameters.gestureMode == Parameters::GESTURE_MODE_SPOTS) {
+ mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
+ } else {
+ mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
+ }
+ break;
+ }
+
+ // Send events!
+ int32_t metaState = getContext()->getGlobalMetaState();
+ int32_t buttonState = mCurrentButtonState;
+
+ // Update last coordinates of pointers that have moved so that we observe the new
+ // pointer positions at the same time as other pointers that have just gone up.
+ bool down = mPointerGesture.currentGestureMode == PointerGesture::TAP
+ || mPointerGesture.currentGestureMode == PointerGesture::TAP_DRAG
+ || mPointerGesture.currentGestureMode == PointerGesture::BUTTON_CLICK_OR_DRAG
+ || mPointerGesture.currentGestureMode == PointerGesture::PRESS
+ || mPointerGesture.currentGestureMode == PointerGesture::SWIPE
+ || mPointerGesture.currentGestureMode == PointerGesture::FREEFORM;
+ bool moveNeeded = false;
+ if (down && !cancelPreviousGesture && !finishPreviousGesture
+ && !mPointerGesture.lastGestureIdBits.isEmpty()
+ && !mPointerGesture.currentGestureIdBits.isEmpty()) {
+ BitSet32 movedGestureIdBits(mPointerGesture.currentGestureIdBits.value
+ & mPointerGesture.lastGestureIdBits.value);
+ moveNeeded = updateMovedPointers(mPointerGesture.currentGestureProperties,
+ mPointerGesture.currentGestureCoords, mPointerGesture.currentGestureIdToIndex,
+ mPointerGesture.lastGestureProperties,
+ mPointerGesture.lastGestureCoords, mPointerGesture.lastGestureIdToIndex,
+ movedGestureIdBits);
+ if (buttonState != mLastButtonState) {
+ moveNeeded = true;
+ }
+ }
+
+ // Send motion events for all pointers that went up or were canceled.
+ BitSet32 dispatchedGestureIdBits(mPointerGesture.lastGestureIdBits);
+ if (!dispatchedGestureIdBits.isEmpty()) {
+ if (cancelPreviousGesture) {
+ dispatchMotion(when, policyFlags, mSource,
+ AMOTION_EVENT_ACTION_CANCEL, 0, metaState, buttonState,
+ AMOTION_EVENT_EDGE_FLAG_NONE,
+ mPointerGesture.lastGestureProperties,
+ mPointerGesture.lastGestureCoords, mPointerGesture.lastGestureIdToIndex,
+ dispatchedGestureIdBits, -1,
+ 0, 0, mPointerGesture.downTime);
+
+ dispatchedGestureIdBits.clear();
+ } else {
+ BitSet32 upGestureIdBits;
+ if (finishPreviousGesture) {
+ upGestureIdBits = dispatchedGestureIdBits;
+ } else {
+ upGestureIdBits.value = dispatchedGestureIdBits.value
+ & ~mPointerGesture.currentGestureIdBits.value;
+ }
+ while (!upGestureIdBits.isEmpty()) {
+ uint32_t id = upGestureIdBits.clearFirstMarkedBit();
+
+ dispatchMotion(when, policyFlags, mSource,
+ AMOTION_EVENT_ACTION_POINTER_UP, 0,
+ metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+ mPointerGesture.lastGestureProperties,
+ mPointerGesture.lastGestureCoords, mPointerGesture.lastGestureIdToIndex,
+ dispatchedGestureIdBits, id,
+ 0, 0, mPointerGesture.downTime);
+
+ dispatchedGestureIdBits.clearBit(id);
+ }
+ }
+ }
+
+ // Send motion events for all pointers that moved.
+ if (moveNeeded) {
+ dispatchMotion(when, policyFlags, mSource,
+ AMOTION_EVENT_ACTION_MOVE, 0, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+ mPointerGesture.currentGestureProperties,
+ mPointerGesture.currentGestureCoords, mPointerGesture.currentGestureIdToIndex,
+ dispatchedGestureIdBits, -1,
+ 0, 0, mPointerGesture.downTime);
+ }
+
+ // Send motion events for all pointers that went down.
+ if (down) {
+ BitSet32 downGestureIdBits(mPointerGesture.currentGestureIdBits.value
+ & ~dispatchedGestureIdBits.value);
+ while (!downGestureIdBits.isEmpty()) {
+ uint32_t id = downGestureIdBits.clearFirstMarkedBit();
+ dispatchedGestureIdBits.markBit(id);
+
+ if (dispatchedGestureIdBits.count() == 1) {
+ mPointerGesture.downTime = when;
+ }
+
+ dispatchMotion(when, policyFlags, mSource,
+ AMOTION_EVENT_ACTION_POINTER_DOWN, 0, metaState, buttonState, 0,
+ mPointerGesture.currentGestureProperties,
+ mPointerGesture.currentGestureCoords, mPointerGesture.currentGestureIdToIndex,
+ dispatchedGestureIdBits, id,
+ 0, 0, mPointerGesture.downTime);
+ }
+ }
+
+ // Send motion events for hover.
+ if (mPointerGesture.currentGestureMode == PointerGesture::HOVER) {
+ dispatchMotion(when, policyFlags, mSource,
+ AMOTION_EVENT_ACTION_HOVER_MOVE, 0,
+ metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+ mPointerGesture.currentGestureProperties,
+ mPointerGesture.currentGestureCoords, mPointerGesture.currentGestureIdToIndex,
+ mPointerGesture.currentGestureIdBits, -1,
+ 0, 0, mPointerGesture.downTime);
+ } else if (dispatchedGestureIdBits.isEmpty()
+ && !mPointerGesture.lastGestureIdBits.isEmpty()) {
+ // Synthesize a hover move event after all pointers go up to indicate that
+ // the pointer is hovering again even if the user is not currently touching
+ // the touch pad. This ensures that a view will receive a fresh hover enter
+ // event after a tap.
+ float x, y;
+ mPointerController->getPosition(&x, &y);
+
+ PointerProperties pointerProperties;
+ pointerProperties.clear();
+ pointerProperties.id = 0;
+ pointerProperties.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+
+ PointerCoords pointerCoords;
+ pointerCoords.clear();
+ pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
+ pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
+
+ NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
+ AMOTION_EVENT_ACTION_HOVER_MOVE, 0,
+ metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+ mViewport.displayId, 1, &pointerProperties, &pointerCoords,
+ 0, 0, mPointerGesture.downTime);
+ getListener()->notifyMotion(&args);
+ }
+
+ // Update state.
+ mPointerGesture.lastGestureMode = mPointerGesture.currentGestureMode;
+ if (!down) {
+ mPointerGesture.lastGestureIdBits.clear();
+ } else {
+ mPointerGesture.lastGestureIdBits = mPointerGesture.currentGestureIdBits;
+ for (BitSet32 idBits(mPointerGesture.currentGestureIdBits); !idBits.isEmpty(); ) {
+ uint32_t id = idBits.clearFirstMarkedBit();
+ uint32_t index = mPointerGesture.currentGestureIdToIndex[id];
+ mPointerGesture.lastGestureProperties[index].copyFrom(
+ mPointerGesture.currentGestureProperties[index]);
+ mPointerGesture.lastGestureCoords[index].copyFrom(
+ mPointerGesture.currentGestureCoords[index]);
+ mPointerGesture.lastGestureIdToIndex[id] = index;
+ }
+ }
+}
+
+void TouchInputMapper::abortPointerGestures(nsecs_t when, uint32_t policyFlags) {
+ // Cancel previously dispatches pointers.
+ if (!mPointerGesture.lastGestureIdBits.isEmpty()) {
+ int32_t metaState = getContext()->getGlobalMetaState();
+ int32_t buttonState = mCurrentButtonState;
+ dispatchMotion(when, policyFlags, mSource,
+ AMOTION_EVENT_ACTION_CANCEL, 0, metaState, buttonState,
+ AMOTION_EVENT_EDGE_FLAG_NONE,
+ mPointerGesture.lastGestureProperties,
+ mPointerGesture.lastGestureCoords, mPointerGesture.lastGestureIdToIndex,
+ mPointerGesture.lastGestureIdBits, -1,
+ 0, 0, mPointerGesture.downTime);
+ }
+
+ // Reset the current pointer gesture.
+ mPointerGesture.reset();
+ mPointerVelocityControl.reset();
+
+ // Remove any current spots.
+ if (mPointerController != NULL) {
+ mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
+ mPointerController->clearSpots();
+ }
+}
+
+bool TouchInputMapper::preparePointerGestures(nsecs_t when,
+ bool* outCancelPreviousGesture, bool* outFinishPreviousGesture, bool isTimeout) {
+ *outCancelPreviousGesture = false;
+ *outFinishPreviousGesture = false;
+
+ // Handle TAP timeout.
+ if (isTimeout) {
+#if DEBUG_GESTURES
+ ALOGD("Gestures: Processing timeout");
+#endif
+
+ if (mPointerGesture.lastGestureMode == PointerGesture::TAP) {
+ if (when <= mPointerGesture.tapUpTime + mConfig.pointerGestureTapDragInterval) {
+ // The tap/drag timeout has not yet expired.
+ getContext()->requestTimeoutAtTime(mPointerGesture.tapUpTime
+ + mConfig.pointerGestureTapDragInterval);
+ } else {
+ // The tap is finished.
+#if DEBUG_GESTURES
+ ALOGD("Gestures: TAP finished");
+#endif
+ *outFinishPreviousGesture = true;
+
+ mPointerGesture.activeGestureId = -1;
+ mPointerGesture.currentGestureMode = PointerGesture::NEUTRAL;
+ mPointerGesture.currentGestureIdBits.clear();
+
+ mPointerVelocityControl.reset();
+ return true;
+ }
+ }
+
+ // We did not handle this timeout.
+ return false;
+ }
+
+ const uint32_t currentFingerCount = mCurrentFingerIdBits.count();
+ const uint32_t lastFingerCount = mLastFingerIdBits.count();
+
+ // Update the velocity tracker.
+ {
+ VelocityTracker::Position positions[MAX_POINTERS];
+ uint32_t count = 0;
+ for (BitSet32 idBits(mCurrentFingerIdBits); !idBits.isEmpty(); count++) {
+ uint32_t id = idBits.clearFirstMarkedBit();
+ const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
+ positions[count].x = pointer.x * mPointerXMovementScale;
+ positions[count].y = pointer.y * mPointerYMovementScale;
+ }
+ mPointerGesture.velocityTracker.addMovement(when,
+ mCurrentFingerIdBits, positions);
+ }
+
+ // If the gesture ever enters a mode other than TAP, HOVER or TAP_DRAG, without first returning
+ // to NEUTRAL, then we should not generate tap event.
+ if (mPointerGesture.lastGestureMode != PointerGesture::HOVER
+ && mPointerGesture.lastGestureMode != PointerGesture::TAP
+ && mPointerGesture.lastGestureMode != PointerGesture::TAP_DRAG) {
+ mPointerGesture.resetTap();
+ }
+
+ // Pick a new active touch id if needed.
+ // Choose an arbitrary pointer that just went down, if there is one.
+ // Otherwise choose an arbitrary remaining pointer.
+ // This guarantees we always have an active touch id when there is at least one pointer.
+ // We keep the same active touch id for as long as possible.
+ bool activeTouchChanged = false;
+ int32_t lastActiveTouchId = mPointerGesture.activeTouchId;
+ int32_t activeTouchId = lastActiveTouchId;
+ if (activeTouchId < 0) {
+ if (!mCurrentFingerIdBits.isEmpty()) {
+ activeTouchChanged = true;
+ activeTouchId = mPointerGesture.activeTouchId =
+ mCurrentFingerIdBits.firstMarkedBit();
+ mPointerGesture.firstTouchTime = when;
+ }
+ } else if (!mCurrentFingerIdBits.hasBit(activeTouchId)) {
+ activeTouchChanged = true;
+ if (!mCurrentFingerIdBits.isEmpty()) {
+ activeTouchId = mPointerGesture.activeTouchId =
+ mCurrentFingerIdBits.firstMarkedBit();
+ } else {
+ activeTouchId = mPointerGesture.activeTouchId = -1;
+ }
+ }
+
+ // Determine whether we are in quiet time.
+ bool isQuietTime = false;
+ if (activeTouchId < 0) {
+ mPointerGesture.resetQuietTime();
+ } else {
+ isQuietTime = when < mPointerGesture.quietTime + mConfig.pointerGestureQuietInterval;
+ if (!isQuietTime) {
+ if ((mPointerGesture.lastGestureMode == PointerGesture::PRESS
+ || mPointerGesture.lastGestureMode == PointerGesture::SWIPE
+ || mPointerGesture.lastGestureMode == PointerGesture::FREEFORM)
+ && currentFingerCount < 2) {
+ // Enter quiet time when exiting swipe or freeform state.
+ // This is to prevent accidentally entering the hover state and flinging the
+ // pointer when finishing a swipe and there is still one pointer left onscreen.
+ isQuietTime = true;
+ } else if (mPointerGesture.lastGestureMode == PointerGesture::BUTTON_CLICK_OR_DRAG
+ && currentFingerCount >= 2
+ && !isPointerDown(mCurrentButtonState)) {
+ // Enter quiet time when releasing the button and there are still two or more
+ // fingers down. This may indicate that one finger was used to press the button
+ // but it has not gone up yet.
+ isQuietTime = true;
+ }
+ if (isQuietTime) {
+ mPointerGesture.quietTime = when;
+ }
+ }
+ }
+
+ // Switch states based on button and pointer state.
+ if (isQuietTime) {
+ // Case 1: Quiet time. (QUIET)
+#if DEBUG_GESTURES
+ ALOGD("Gestures: QUIET for next %0.3fms", (mPointerGesture.quietTime
+ + mConfig.pointerGestureQuietInterval - when) * 0.000001f);
+#endif
+ if (mPointerGesture.lastGestureMode != PointerGesture::QUIET) {
+ *outFinishPreviousGesture = true;
+ }
+
+ mPointerGesture.activeGestureId = -1;
+ mPointerGesture.currentGestureMode = PointerGesture::QUIET;
+ mPointerGesture.currentGestureIdBits.clear();
+
+ mPointerVelocityControl.reset();
+ } else if (isPointerDown(mCurrentButtonState)) {
+ // Case 2: Button is pressed. (BUTTON_CLICK_OR_DRAG)
+ // The pointer follows the active touch point.
+ // Emit DOWN, MOVE, UP events at the pointer location.
+ //
+ // Only the active touch matters; other fingers are ignored. This policy helps
+ // to handle the case where the user places a second finger on the touch pad
+ // to apply the necessary force to depress an integrated button below the surface.
+ // We don't want the second finger to be delivered to applications.
+ //
+ // For this to work well, we need to make sure to track the pointer that is really
+ // active. If the user first puts one finger down to click then adds another
+ // finger to drag then the active pointer should switch to the finger that is
+ // being dragged.
+#if DEBUG_GESTURES
+ ALOGD("Gestures: BUTTON_CLICK_OR_DRAG activeTouchId=%d, "
+ "currentFingerCount=%d", activeTouchId, currentFingerCount);
+#endif
+ // Reset state when just starting.
+ if (mPointerGesture.lastGestureMode != PointerGesture::BUTTON_CLICK_OR_DRAG) {
+ *outFinishPreviousGesture = true;
+ mPointerGesture.activeGestureId = 0;
+ }
+
+ // Switch pointers if needed.
+ // Find the fastest pointer and follow it.
+ if (activeTouchId >= 0 && currentFingerCount > 1) {
+ int32_t bestId = -1;
+ float bestSpeed = mConfig.pointerGestureDragMinSwitchSpeed;
+ for (BitSet32 idBits(mCurrentFingerIdBits); !idBits.isEmpty(); ) {
+ uint32_t id = idBits.clearFirstMarkedBit();
+ float vx, vy;
+ if (mPointerGesture.velocityTracker.getVelocity(id, &vx, &vy)) {
+ float speed = hypotf(vx, vy);
+ if (speed > bestSpeed) {
+ bestId = id;
+ bestSpeed = speed;
+ }
+ }
+ }
+ if (bestId >= 0 && bestId != activeTouchId) {
+ mPointerGesture.activeTouchId = activeTouchId = bestId;
+ activeTouchChanged = true;
+#if DEBUG_GESTURES
+ ALOGD("Gestures: BUTTON_CLICK_OR_DRAG switched pointers, "
+ "bestId=%d, bestSpeed=%0.3f", bestId, bestSpeed);
+#endif
+ }
+ }
+
+ if (activeTouchId >= 0 && mLastFingerIdBits.hasBit(activeTouchId)) {
+ const RawPointerData::Pointer& currentPointer =
+ mCurrentRawPointerData.pointerForId(activeTouchId);
+ const RawPointerData::Pointer& lastPointer =
+ mLastRawPointerData.pointerForId(activeTouchId);
+ float deltaX = (currentPointer.x - lastPointer.x) * mPointerXMovementScale;
+ float deltaY = (currentPointer.y - lastPointer.y) * mPointerYMovementScale;
+
+ rotateDelta(mSurfaceOrientation, &deltaX, &deltaY);
+ mPointerVelocityControl.move(when, &deltaX, &deltaY);
+
+ // Move the pointer using a relative motion.
+ // When using spots, the click will occur at the position of the anchor
+ // spot and all other spots will move there.
+ mPointerController->move(deltaX, deltaY);
+ } else {
+ mPointerVelocityControl.reset();
+ }
+
+ float x, y;
+ mPointerController->getPosition(&x, &y);
+
+ mPointerGesture.currentGestureMode = PointerGesture::BUTTON_CLICK_OR_DRAG;
+ mPointerGesture.currentGestureIdBits.clear();
+ mPointerGesture.currentGestureIdBits.markBit(mPointerGesture.activeGestureId);
+ mPointerGesture.currentGestureIdToIndex[mPointerGesture.activeGestureId] = 0;
+ mPointerGesture.currentGestureProperties[0].clear();
+ mPointerGesture.currentGestureProperties[0].id = mPointerGesture.activeGestureId;
+ mPointerGesture.currentGestureProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+ mPointerGesture.currentGestureCoords[0].clear();
+ mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, x);
+ mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, y);
+ mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
+ } else if (currentFingerCount == 0) {
+ // Case 3. No fingers down and button is not pressed. (NEUTRAL)
+ if (mPointerGesture.lastGestureMode != PointerGesture::NEUTRAL) {
+ *outFinishPreviousGesture = true;
+ }
+
+ // Watch for taps coming out of HOVER or TAP_DRAG mode.
+ // Checking for taps after TAP_DRAG allows us to detect double-taps.
+ bool tapped = false;
+ if ((mPointerGesture.lastGestureMode == PointerGesture::HOVER
+ || mPointerGesture.lastGestureMode == PointerGesture::TAP_DRAG)
+ && lastFingerCount == 1) {
+ if (when <= mPointerGesture.tapDownTime + mConfig.pointerGestureTapInterval) {
+ float x, y;
+ mPointerController->getPosition(&x, &y);
+ if (fabs(x - mPointerGesture.tapX) <= mConfig.pointerGestureTapSlop
+ && fabs(y - mPointerGesture.tapY) <= mConfig.pointerGestureTapSlop) {
+#if DEBUG_GESTURES
+ ALOGD("Gestures: TAP");
+#endif
+
+ mPointerGesture.tapUpTime = when;
+ getContext()->requestTimeoutAtTime(when
+ + mConfig.pointerGestureTapDragInterval);
+
+ mPointerGesture.activeGestureId = 0;
+ mPointerGesture.currentGestureMode = PointerGesture::TAP;
+ mPointerGesture.currentGestureIdBits.clear();
+ mPointerGesture.currentGestureIdBits.markBit(
+ mPointerGesture.activeGestureId);
+ mPointerGesture.currentGestureIdToIndex[
+ mPointerGesture.activeGestureId] = 0;
+ mPointerGesture.currentGestureProperties[0].clear();
+ mPointerGesture.currentGestureProperties[0].id =
+ mPointerGesture.activeGestureId;
+ mPointerGesture.currentGestureProperties[0].toolType =
+ AMOTION_EVENT_TOOL_TYPE_FINGER;
+ mPointerGesture.currentGestureCoords[0].clear();
+ mPointerGesture.currentGestureCoords[0].setAxisValue(
+ AMOTION_EVENT_AXIS_X, mPointerGesture.tapX);
+ mPointerGesture.currentGestureCoords[0].setAxisValue(
+ AMOTION_EVENT_AXIS_Y, mPointerGesture.tapY);
+ mPointerGesture.currentGestureCoords[0].setAxisValue(
+ AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
+
+ tapped = true;
+ } else {
+#if DEBUG_GESTURES
+ ALOGD("Gestures: Not a TAP, deltaX=%f, deltaY=%f",
+ x - mPointerGesture.tapX,
+ y - mPointerGesture.tapY);
+#endif
+ }
+ } else {
+#if DEBUG_GESTURES
+ if (mPointerGesture.tapDownTime != LLONG_MIN) {
+ ALOGD("Gestures: Not a TAP, %0.3fms since down",
+ (when - mPointerGesture.tapDownTime) * 0.000001f);
+ } else {
+ ALOGD("Gestures: Not a TAP, incompatible mode transitions");
+ }
+#endif
+ }
+ }
+
+ mPointerVelocityControl.reset();
+
+ if (!tapped) {
+#if DEBUG_GESTURES
+ ALOGD("Gestures: NEUTRAL");
+#endif
+ mPointerGesture.activeGestureId = -1;
+ mPointerGesture.currentGestureMode = PointerGesture::NEUTRAL;
+ mPointerGesture.currentGestureIdBits.clear();
+ }
+ } else if (currentFingerCount == 1) {
+ // Case 4. Exactly one finger down, button is not pressed. (HOVER or TAP_DRAG)
+ // The pointer follows the active touch point.
+ // When in HOVER, emit HOVER_MOVE events at the pointer location.
+ // When in TAP_DRAG, emit MOVE events at the pointer location.
+ ALOG_ASSERT(activeTouchId >= 0);
+
+ mPointerGesture.currentGestureMode = PointerGesture::HOVER;
+ if (mPointerGesture.lastGestureMode == PointerGesture::TAP) {
+ if (when <= mPointerGesture.tapUpTime + mConfig.pointerGestureTapDragInterval) {
+ float x, y;
+ mPointerController->getPosition(&x, &y);
+ if (fabs(x - mPointerGesture.tapX) <= mConfig.pointerGestureTapSlop
+ && fabs(y - mPointerGesture.tapY) <= mConfig.pointerGestureTapSlop) {
+ mPointerGesture.currentGestureMode = PointerGesture::TAP_DRAG;
+ } else {
+#if DEBUG_GESTURES
+ ALOGD("Gestures: Not a TAP_DRAG, deltaX=%f, deltaY=%f",
+ x - mPointerGesture.tapX,
+ y - mPointerGesture.tapY);
+#endif
+ }
+ } else {
+#if DEBUG_GESTURES
+ ALOGD("Gestures: Not a TAP_DRAG, %0.3fms time since up",
+ (when - mPointerGesture.tapUpTime) * 0.000001f);
+#endif
+ }
+ } else if (mPointerGesture.lastGestureMode == PointerGesture::TAP_DRAG) {
+ mPointerGesture.currentGestureMode = PointerGesture::TAP_DRAG;
+ }
+
+ if (mLastFingerIdBits.hasBit(activeTouchId)) {
+ const RawPointerData::Pointer& currentPointer =
+ mCurrentRawPointerData.pointerForId(activeTouchId);
+ const RawPointerData::Pointer& lastPointer =
+ mLastRawPointerData.pointerForId(activeTouchId);
+ float deltaX = (currentPointer.x - lastPointer.x)
+ * mPointerXMovementScale;
+ float deltaY = (currentPointer.y - lastPointer.y)
+ * mPointerYMovementScale;
+
+ rotateDelta(mSurfaceOrientation, &deltaX, &deltaY);
+ mPointerVelocityControl.move(when, &deltaX, &deltaY);
+
+ // Move the pointer using a relative motion.
+ // When using spots, the hover or drag will occur at the position of the anchor spot.
+ mPointerController->move(deltaX, deltaY);
+ } else {
+ mPointerVelocityControl.reset();
+ }
+
+ bool down;
+ if (mPointerGesture.currentGestureMode == PointerGesture::TAP_DRAG) {
+#if DEBUG_GESTURES
+ ALOGD("Gestures: TAP_DRAG");
+#endif
+ down = true;
+ } else {
+#if DEBUG_GESTURES
+ ALOGD("Gestures: HOVER");
+#endif
+ if (mPointerGesture.lastGestureMode != PointerGesture::HOVER) {
+ *outFinishPreviousGesture = true;
+ }
+ mPointerGesture.activeGestureId = 0;
+ down = false;
+ }
+
+ float x, y;
+ mPointerController->getPosition(&x, &y);
+
+ mPointerGesture.currentGestureIdBits.clear();
+ mPointerGesture.currentGestureIdBits.markBit(mPointerGesture.activeGestureId);
+ mPointerGesture.currentGestureIdToIndex[mPointerGesture.activeGestureId] = 0;
+ mPointerGesture.currentGestureProperties[0].clear();
+ mPointerGesture.currentGestureProperties[0].id = mPointerGesture.activeGestureId;
+ mPointerGesture.currentGestureProperties[0].toolType =
+ AMOTION_EVENT_TOOL_TYPE_FINGER;
+ mPointerGesture.currentGestureCoords[0].clear();
+ mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, x);
+ mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, y);
+ mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE,
+ down ? 1.0f : 0.0f);
+
+ if (lastFingerCount == 0 && currentFingerCount != 0) {
+ mPointerGesture.resetTap();
+ mPointerGesture.tapDownTime = when;
+ mPointerGesture.tapX = x;
+ mPointerGesture.tapY = y;
+ }
+ } else {
+ // Case 5. At least two fingers down, button is not pressed. (PRESS, SWIPE or FREEFORM)
+ // We need to provide feedback for each finger that goes down so we cannot wait
+ // for the fingers to move before deciding what to do.
+ //
+ // The ambiguous case is deciding what to do when there are two fingers down but they
+ // have not moved enough to determine whether they are part of a drag or part of a
+ // freeform gesture, or just a press or long-press at the pointer location.
+ //
+ // When there are two fingers we start with the PRESS hypothesis and we generate a
+ // down at the pointer location.
+ //
+ // When the two fingers move enough or when additional fingers are added, we make
+ // a decision to transition into SWIPE or FREEFORM mode accordingly.
+ ALOG_ASSERT(activeTouchId >= 0);
+
+ bool settled = when >= mPointerGesture.firstTouchTime
+ + mConfig.pointerGestureMultitouchSettleInterval;
+ if (mPointerGesture.lastGestureMode != PointerGesture::PRESS
+ && mPointerGesture.lastGestureMode != PointerGesture::SWIPE
+ && mPointerGesture.lastGestureMode != PointerGesture::FREEFORM) {
+ *outFinishPreviousGesture = true;
+ } else if (!settled && currentFingerCount > lastFingerCount) {
+ // Additional pointers have gone down but not yet settled.
+ // Reset the gesture.
+#if DEBUG_GESTURES
+ ALOGD("Gestures: Resetting gesture since additional pointers went down for MULTITOUCH, "
+ "settle time remaining %0.3fms", (mPointerGesture.firstTouchTime
+ + mConfig.pointerGestureMultitouchSettleInterval - when)
+ * 0.000001f);
+#endif
+ *outCancelPreviousGesture = true;
+ } else {
+ // Continue previous gesture.
+ mPointerGesture.currentGestureMode = mPointerGesture.lastGestureMode;
+ }
+
+ if (*outFinishPreviousGesture || *outCancelPreviousGesture) {
+ mPointerGesture.currentGestureMode = PointerGesture::PRESS;
+ mPointerGesture.activeGestureId = 0;
+ mPointerGesture.referenceIdBits.clear();
+ mPointerVelocityControl.reset();
+
+ // Use the centroid and pointer location as the reference points for the gesture.
+#if DEBUG_GESTURES
+ ALOGD("Gestures: Using centroid as reference for MULTITOUCH, "
+ "settle time remaining %0.3fms", (mPointerGesture.firstTouchTime
+ + mConfig.pointerGestureMultitouchSettleInterval - when)
+ * 0.000001f);
+#endif
+ mCurrentRawPointerData.getCentroidOfTouchingPointers(
+ &mPointerGesture.referenceTouchX,
+ &mPointerGesture.referenceTouchY);
+ mPointerController->getPosition(&mPointerGesture.referenceGestureX,
+ &mPointerGesture.referenceGestureY);
+ }
+
+ // Clear the reference deltas for fingers not yet included in the reference calculation.
+ for (BitSet32 idBits(mCurrentFingerIdBits.value
+ & ~mPointerGesture.referenceIdBits.value); !idBits.isEmpty(); ) {
+ uint32_t id = idBits.clearFirstMarkedBit();
+ mPointerGesture.referenceDeltas[id].dx = 0;
+ mPointerGesture.referenceDeltas[id].dy = 0;
+ }
+ mPointerGesture.referenceIdBits = mCurrentFingerIdBits;
+
+ // Add delta for all fingers and calculate a common movement delta.
+ float commonDeltaX = 0, commonDeltaY = 0;
+ BitSet32 commonIdBits(mLastFingerIdBits.value
+ & mCurrentFingerIdBits.value);
+ for (BitSet32 idBits(commonIdBits); !idBits.isEmpty(); ) {
+ bool first = (idBits == commonIdBits);
+ uint32_t id = idBits.clearFirstMarkedBit();
+ const RawPointerData::Pointer& cpd = mCurrentRawPointerData.pointerForId(id);
+ const RawPointerData::Pointer& lpd = mLastRawPointerData.pointerForId(id);
+ PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id];
+ delta.dx += cpd.x - lpd.x;
+ delta.dy += cpd.y - lpd.y;
+
+ if (first) {
+ commonDeltaX = delta.dx;
+ commonDeltaY = delta.dy;
+ } else {
+ commonDeltaX = calculateCommonVector(commonDeltaX, delta.dx);
+ commonDeltaY = calculateCommonVector(commonDeltaY, delta.dy);
+ }
+ }
+
+ // Consider transitions from PRESS to SWIPE or MULTITOUCH.
+ if (mPointerGesture.currentGestureMode == PointerGesture::PRESS) {
+ float dist[MAX_POINTER_ID + 1];
+ int32_t distOverThreshold = 0;
+ for (BitSet32 idBits(mPointerGesture.referenceIdBits); !idBits.isEmpty(); ) {
+ uint32_t id = idBits.clearFirstMarkedBit();
+ PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id];
+ dist[id] = hypotf(delta.dx * mPointerXZoomScale,
+ delta.dy * mPointerYZoomScale);
+ if (dist[id] > mConfig.pointerGestureMultitouchMinDistance) {
+ distOverThreshold += 1;
+ }
+ }
+
+ // Only transition when at least two pointers have moved further than
+ // the minimum distance threshold.
+ if (distOverThreshold >= 2) {
+ if (currentFingerCount > 2) {
+ // There are more than two pointers, switch to FREEFORM.
+#if DEBUG_GESTURES
+ ALOGD("Gestures: PRESS transitioned to FREEFORM, number of pointers %d > 2",
+ currentFingerCount);
+#endif
+ *outCancelPreviousGesture = true;
+ mPointerGesture.currentGestureMode = PointerGesture::FREEFORM;
+ } else {
+ // There are exactly two pointers.
+ BitSet32 idBits(mCurrentFingerIdBits);
+ uint32_t id1 = idBits.clearFirstMarkedBit();
+ uint32_t id2 = idBits.firstMarkedBit();
+ const RawPointerData::Pointer& p1 = mCurrentRawPointerData.pointerForId(id1);
+ const RawPointerData::Pointer& p2 = mCurrentRawPointerData.pointerForId(id2);
+ float mutualDistance = distance(p1.x, p1.y, p2.x, p2.y);
+ if (mutualDistance > mPointerGestureMaxSwipeWidth) {
+ // There are two pointers but they are too far apart for a SWIPE,
+ // switch to FREEFORM.
+#if DEBUG_GESTURES
+ ALOGD("Gestures: PRESS transitioned to FREEFORM, distance %0.3f > %0.3f",
+ mutualDistance, mPointerGestureMaxSwipeWidth);
+#endif
+ *outCancelPreviousGesture = true;
+ mPointerGesture.currentGestureMode = PointerGesture::FREEFORM;
+ } else {
+ // There are two pointers. Wait for both pointers to start moving
+ // before deciding whether this is a SWIPE or FREEFORM gesture.
+ float dist1 = dist[id1];
+ float dist2 = dist[id2];
+ if (dist1 >= mConfig.pointerGestureMultitouchMinDistance
+ && dist2 >= mConfig.pointerGestureMultitouchMinDistance) {
+ // Calculate the dot product of the displacement vectors.
+ // When the vectors are oriented in approximately the same direction,
+ // the angle betweeen them is near zero and the cosine of the angle
+ // approches 1.0. Recall that dot(v1, v2) = cos(angle) * mag(v1) * mag(v2).
+ PointerGesture::Delta& delta1 = mPointerGesture.referenceDeltas[id1];
+ PointerGesture::Delta& delta2 = mPointerGesture.referenceDeltas[id2];
+ float dx1 = delta1.dx * mPointerXZoomScale;
+ float dy1 = delta1.dy * mPointerYZoomScale;
+ float dx2 = delta2.dx * mPointerXZoomScale;
+ float dy2 = delta2.dy * mPointerYZoomScale;
+ float dot = dx1 * dx2 + dy1 * dy2;
+ float cosine = dot / (dist1 * dist2); // denominator always > 0
+ if (cosine >= mConfig.pointerGestureSwipeTransitionAngleCosine) {
+ // Pointers are moving in the same direction. Switch to SWIPE.
+#if DEBUG_GESTURES
+ ALOGD("Gestures: PRESS transitioned to SWIPE, "
+ "dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, "
+ "cosine %0.3f >= %0.3f",
+ dist1, mConfig.pointerGestureMultitouchMinDistance,
+ dist2, mConfig.pointerGestureMultitouchMinDistance,
+ cosine, mConfig.pointerGestureSwipeTransitionAngleCosine);
+#endif
+ mPointerGesture.currentGestureMode = PointerGesture::SWIPE;
+ } else {
+ // Pointers are moving in different directions. Switch to FREEFORM.
+#if DEBUG_GESTURES
+ ALOGD("Gestures: PRESS transitioned to FREEFORM, "
+ "dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, "
+ "cosine %0.3f < %0.3f",
+ dist1, mConfig.pointerGestureMultitouchMinDistance,
+ dist2, mConfig.pointerGestureMultitouchMinDistance,
+ cosine, mConfig.pointerGestureSwipeTransitionAngleCosine);
+#endif
+ *outCancelPreviousGesture = true;
+ mPointerGesture.currentGestureMode = PointerGesture::FREEFORM;
+ }
+ }
+ }
+ }
+ }
+ } else if (mPointerGesture.currentGestureMode == PointerGesture::SWIPE) {
+ // Switch from SWIPE to FREEFORM if additional pointers go down.
+ // Cancel previous gesture.
+ if (currentFingerCount > 2) {
+#if DEBUG_GESTURES
+ ALOGD("Gestures: SWIPE transitioned to FREEFORM, number of pointers %d > 2",
+ currentFingerCount);
+#endif
+ *outCancelPreviousGesture = true;
+ mPointerGesture.currentGestureMode = PointerGesture::FREEFORM;
+ }
+ }
+
+ // Move the reference points based on the overall group motion of the fingers
+ // except in PRESS mode while waiting for a transition to occur.
+ if (mPointerGesture.currentGestureMode != PointerGesture::PRESS
+ && (commonDeltaX || commonDeltaY)) {
+ for (BitSet32 idBits(mPointerGesture.referenceIdBits); !idBits.isEmpty(); ) {
+ uint32_t id = idBits.clearFirstMarkedBit();
+ PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id];
+ delta.dx = 0;
+ delta.dy = 0;
+ }
+
+ mPointerGesture.referenceTouchX += commonDeltaX;
+ mPointerGesture.referenceTouchY += commonDeltaY;
+
+ commonDeltaX *= mPointerXMovementScale;
+ commonDeltaY *= mPointerYMovementScale;
+
+ rotateDelta(mSurfaceOrientation, &commonDeltaX, &commonDeltaY);
+ mPointerVelocityControl.move(when, &commonDeltaX, &commonDeltaY);
+
+ mPointerGesture.referenceGestureX += commonDeltaX;
+ mPointerGesture.referenceGestureY += commonDeltaY;
+ }
+
+ // Report gestures.
+ if (mPointerGesture.currentGestureMode == PointerGesture::PRESS
+ || mPointerGesture.currentGestureMode == PointerGesture::SWIPE) {
+ // PRESS or SWIPE mode.
+#if DEBUG_GESTURES
+ ALOGD("Gestures: PRESS or SWIPE activeTouchId=%d,"
+ "activeGestureId=%d, currentTouchPointerCount=%d",
+ activeTouchId, mPointerGesture.activeGestureId, currentFingerCount);
+#endif
+ ALOG_ASSERT(mPointerGesture.activeGestureId >= 0);
+
+ mPointerGesture.currentGestureIdBits.clear();
+ mPointerGesture.currentGestureIdBits.markBit(mPointerGesture.activeGestureId);
+ mPointerGesture.currentGestureIdToIndex[mPointerGesture.activeGestureId] = 0;
+ mPointerGesture.currentGestureProperties[0].clear();
+ mPointerGesture.currentGestureProperties[0].id = mPointerGesture.activeGestureId;
+ mPointerGesture.currentGestureProperties[0].toolType =
+ AMOTION_EVENT_TOOL_TYPE_FINGER;
+ mPointerGesture.currentGestureCoords[0].clear();
+ mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X,
+ mPointerGesture.referenceGestureX);
+ mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y,
+ mPointerGesture.referenceGestureY);
+ mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
+ } else if (mPointerGesture.currentGestureMode == PointerGesture::FREEFORM) {
+ // FREEFORM mode.
+#if DEBUG_GESTURES
+ ALOGD("Gestures: FREEFORM activeTouchId=%d,"
+ "activeGestureId=%d, currentTouchPointerCount=%d",
+ activeTouchId, mPointerGesture.activeGestureId, currentFingerCount);
+#endif
+ ALOG_ASSERT(mPointerGesture.activeGestureId >= 0);
+
+ mPointerGesture.currentGestureIdBits.clear();
+
+ BitSet32 mappedTouchIdBits;
+ BitSet32 usedGestureIdBits;
+ if (mPointerGesture.lastGestureMode != PointerGesture::FREEFORM) {
+ // Initially, assign the active gesture id to the active touch point
+ // if there is one. No other touch id bits are mapped yet.
+ if (!*outCancelPreviousGesture) {
+ mappedTouchIdBits.markBit(activeTouchId);
+ usedGestureIdBits.markBit(mPointerGesture.activeGestureId);
+ mPointerGesture.freeformTouchToGestureIdMap[activeTouchId] =
+ mPointerGesture.activeGestureId;
+ } else {
+ mPointerGesture.activeGestureId = -1;
+ }
+ } else {
+ // Otherwise, assume we mapped all touches from the previous frame.
+ // Reuse all mappings that are still applicable.
+ mappedTouchIdBits.value = mLastFingerIdBits.value
+ & mCurrentFingerIdBits.value;
+ usedGestureIdBits = mPointerGesture.lastGestureIdBits;
+
+ // Check whether we need to choose a new active gesture id because the
+ // current went went up.
+ for (BitSet32 upTouchIdBits(mLastFingerIdBits.value
+ & ~mCurrentFingerIdBits.value);
+ !upTouchIdBits.isEmpty(); ) {
+ uint32_t upTouchId = upTouchIdBits.clearFirstMarkedBit();
+ uint32_t upGestureId = mPointerGesture.freeformTouchToGestureIdMap[upTouchId];
+ if (upGestureId == uint32_t(mPointerGesture.activeGestureId)) {
+ mPointerGesture.activeGestureId = -1;
+ break;
+ }
+ }
+ }
+
+#if DEBUG_GESTURES
+ ALOGD("Gestures: FREEFORM follow up "
+ "mappedTouchIdBits=0x%08x, usedGestureIdBits=0x%08x, "
+ "activeGestureId=%d",
+ mappedTouchIdBits.value, usedGestureIdBits.value,
+ mPointerGesture.activeGestureId);
+#endif
+
+ BitSet32 idBits(mCurrentFingerIdBits);
+ for (uint32_t i = 0; i < currentFingerCount; i++) {
+ uint32_t touchId = idBits.clearFirstMarkedBit();
+ uint32_t gestureId;
+ if (!mappedTouchIdBits.hasBit(touchId)) {
+ gestureId = usedGestureIdBits.markFirstUnmarkedBit();
+ mPointerGesture.freeformTouchToGestureIdMap[touchId] = gestureId;
+#if DEBUG_GESTURES
+ ALOGD("Gestures: FREEFORM "
+ "new mapping for touch id %d -> gesture id %d",
+ touchId, gestureId);
+#endif
+ } else {
+ gestureId = mPointerGesture.freeformTouchToGestureIdMap[touchId];
+#if DEBUG_GESTURES
+ ALOGD("Gestures: FREEFORM "
+ "existing mapping for touch id %d -> gesture id %d",
+ touchId, gestureId);
+#endif
+ }
+ mPointerGesture.currentGestureIdBits.markBit(gestureId);
+ mPointerGesture.currentGestureIdToIndex[gestureId] = i;
+
+ const RawPointerData::Pointer& pointer =
+ mCurrentRawPointerData.pointerForId(touchId);
+ float deltaX = (pointer.x - mPointerGesture.referenceTouchX)
+ * mPointerXZoomScale;
+ float deltaY = (pointer.y - mPointerGesture.referenceTouchY)
+ * mPointerYZoomScale;
+ rotateDelta(mSurfaceOrientation, &deltaX, &deltaY);
+
+ mPointerGesture.currentGestureProperties[i].clear();
+ mPointerGesture.currentGestureProperties[i].id = gestureId;
+ mPointerGesture.currentGestureProperties[i].toolType =
+ AMOTION_EVENT_TOOL_TYPE_FINGER;
+ mPointerGesture.currentGestureCoords[i].clear();
+ mPointerGesture.currentGestureCoords[i].setAxisValue(
+ AMOTION_EVENT_AXIS_X, mPointerGesture.referenceGestureX + deltaX);
+ mPointerGesture.currentGestureCoords[i].setAxisValue(
+ AMOTION_EVENT_AXIS_Y, mPointerGesture.referenceGestureY + deltaY);
+ mPointerGesture.currentGestureCoords[i].setAxisValue(
+ AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
+ }
+
+ if (mPointerGesture.activeGestureId < 0) {
+ mPointerGesture.activeGestureId =
+ mPointerGesture.currentGestureIdBits.firstMarkedBit();
+#if DEBUG_GESTURES
+ ALOGD("Gestures: FREEFORM new "
+ "activeGestureId=%d", mPointerGesture.activeGestureId);
+#endif
+ }
+ }
+ }
+
+ mPointerController->setButtonState(mCurrentButtonState);
+
+#if DEBUG_GESTURES
+ ALOGD("Gestures: finishPreviousGesture=%s, cancelPreviousGesture=%s, "
+ "currentGestureMode=%d, currentGestureIdBits=0x%08x, "
+ "lastGestureMode=%d, lastGestureIdBits=0x%08x",
+ toString(*outFinishPreviousGesture), toString(*outCancelPreviousGesture),
+ mPointerGesture.currentGestureMode, mPointerGesture.currentGestureIdBits.value,
+ mPointerGesture.lastGestureMode, mPointerGesture.lastGestureIdBits.value);
+ for (BitSet32 idBits = mPointerGesture.currentGestureIdBits; !idBits.isEmpty(); ) {
+ uint32_t id = idBits.clearFirstMarkedBit();
+ uint32_t index = mPointerGesture.currentGestureIdToIndex[id];
+ const PointerProperties& properties = mPointerGesture.currentGestureProperties[index];
+ const PointerCoords& coords = mPointerGesture.currentGestureCoords[index];
+ ALOGD(" currentGesture[%d]: index=%d, toolType=%d, "
+ "x=%0.3f, y=%0.3f, pressure=%0.3f",
+ id, index, properties.toolType,
+ coords.getAxisValue(AMOTION_EVENT_AXIS_X),
+ coords.getAxisValue(AMOTION_EVENT_AXIS_Y),
+ coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE));
+ }
+ for (BitSet32 idBits = mPointerGesture.lastGestureIdBits; !idBits.isEmpty(); ) {
+ uint32_t id = idBits.clearFirstMarkedBit();
+ uint32_t index = mPointerGesture.lastGestureIdToIndex[id];
+ const PointerProperties& properties = mPointerGesture.lastGestureProperties[index];
+ const PointerCoords& coords = mPointerGesture.lastGestureCoords[index];
+ ALOGD(" lastGesture[%d]: index=%d, toolType=%d, "
+ "x=%0.3f, y=%0.3f, pressure=%0.3f",
+ id, index, properties.toolType,
+ coords.getAxisValue(AMOTION_EVENT_AXIS_X),
+ coords.getAxisValue(AMOTION_EVENT_AXIS_Y),
+ coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE));
+ }
+#endif
+ return true;
+}
+
+void TouchInputMapper::dispatchPointerStylus(nsecs_t when, uint32_t policyFlags) {
+ mPointerSimple.currentCoords.clear();
+ mPointerSimple.currentProperties.clear();
+
+ bool down, hovering;
+ if (!mCurrentStylusIdBits.isEmpty()) {
+ uint32_t id = mCurrentStylusIdBits.firstMarkedBit();
+ uint32_t index = mCurrentCookedPointerData.idToIndex[id];
+ float x = mCurrentCookedPointerData.pointerCoords[index].getX();
+ float y = mCurrentCookedPointerData.pointerCoords[index].getY();
+ mPointerController->setPosition(x, y);
+
+ hovering = mCurrentCookedPointerData.hoveringIdBits.hasBit(id);
+ down = !hovering;
+
+ mPointerController->getPosition(&x, &y);
+ mPointerSimple.currentCoords.copyFrom(mCurrentCookedPointerData.pointerCoords[index]);
+ mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
+ mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
+ mPointerSimple.currentProperties.id = 0;
+ mPointerSimple.currentProperties.toolType =
+ mCurrentCookedPointerData.pointerProperties[index].toolType;
+ } else {
+ down = false;
+ hovering = false;
+ }
+
+ dispatchPointerSimple(when, policyFlags, down, hovering);
+}
+
+void TouchInputMapper::abortPointerStylus(nsecs_t when, uint32_t policyFlags) {
+ abortPointerSimple(when, policyFlags);
+}
+
+void TouchInputMapper::dispatchPointerMouse(nsecs_t when, uint32_t policyFlags) {
+ mPointerSimple.currentCoords.clear();
+ mPointerSimple.currentProperties.clear();
+
+ bool down, hovering;
+ if (!mCurrentMouseIdBits.isEmpty()) {
+ uint32_t id = mCurrentMouseIdBits.firstMarkedBit();
+ uint32_t currentIndex = mCurrentRawPointerData.idToIndex[id];
+ if (mLastMouseIdBits.hasBit(id)) {
+ uint32_t lastIndex = mCurrentRawPointerData.idToIndex[id];
+ float deltaX = (mCurrentRawPointerData.pointers[currentIndex].x
+ - mLastRawPointerData.pointers[lastIndex].x)
+ * mPointerXMovementScale;
+ float deltaY = (mCurrentRawPointerData.pointers[currentIndex].y
+ - mLastRawPointerData.pointers[lastIndex].y)
+ * mPointerYMovementScale;
+
+ rotateDelta(mSurfaceOrientation, &deltaX, &deltaY);
+ mPointerVelocityControl.move(when, &deltaX, &deltaY);
+
+ mPointerController->move(deltaX, deltaY);
+ } else {
+ mPointerVelocityControl.reset();
+ }
+
+ down = isPointerDown(mCurrentButtonState);
+ hovering = !down;
+
+ float x, y;
+ mPointerController->getPosition(&x, &y);
+ mPointerSimple.currentCoords.copyFrom(
+ mCurrentCookedPointerData.pointerCoords[currentIndex]);
+ mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
+ mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
+ mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE,
+ hovering ? 0.0f : 1.0f);
+ mPointerSimple.currentProperties.id = 0;
+ mPointerSimple.currentProperties.toolType =
+ mCurrentCookedPointerData.pointerProperties[currentIndex].toolType;
+ } else {
+ mPointerVelocityControl.reset();
+
+ down = false;
+ hovering = false;
+ }
+
+ dispatchPointerSimple(when, policyFlags, down, hovering);
+}
+
+void TouchInputMapper::abortPointerMouse(nsecs_t when, uint32_t policyFlags) {
+ abortPointerSimple(when, policyFlags);
+
+ mPointerVelocityControl.reset();
+}
+
+void TouchInputMapper::dispatchPointerSimple(nsecs_t when, uint32_t policyFlags,
+ bool down, bool hovering) {
+ int32_t metaState = getContext()->getGlobalMetaState();
+
+ if (mPointerController != NULL) {
+ if (down || hovering) {
+ mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_POINTER);
+ mPointerController->clearSpots();
+ mPointerController->setButtonState(mCurrentButtonState);
+ mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
+ } else if (!down && !hovering && (mPointerSimple.down || mPointerSimple.hovering)) {
+ mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
+ }
+ }
+
+ if (mPointerSimple.down && !down) {
+ mPointerSimple.down = false;
+
+ // Send up.
+ NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
+ AMOTION_EVENT_ACTION_UP, 0, metaState, mLastButtonState, 0,
+ mViewport.displayId,
+ 1, &mPointerSimple.lastProperties, &mPointerSimple.lastCoords,
+ mOrientedXPrecision, mOrientedYPrecision,
+ mPointerSimple.downTime);
+ getListener()->notifyMotion(&args);
+ }
+
+ if (mPointerSimple.hovering && !hovering) {
+ mPointerSimple.hovering = false;
+
+ // Send hover exit.
+ NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
+ AMOTION_EVENT_ACTION_HOVER_EXIT, 0, metaState, mLastButtonState, 0,
+ mViewport.displayId,
+ 1, &mPointerSimple.lastProperties, &mPointerSimple.lastCoords,
+ mOrientedXPrecision, mOrientedYPrecision,
+ mPointerSimple.downTime);
+ getListener()->notifyMotion(&args);
+ }
+
+ if (down) {
+ if (!mPointerSimple.down) {
+ mPointerSimple.down = true;
+ mPointerSimple.downTime = when;
+
+ // Send down.
+ NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
+ AMOTION_EVENT_ACTION_DOWN, 0, metaState, mCurrentButtonState, 0,
+ mViewport.displayId,
+ 1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
+ mOrientedXPrecision, mOrientedYPrecision,
+ mPointerSimple.downTime);
+ getListener()->notifyMotion(&args);
+ }
+
+ // Send move.
+ NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
+ AMOTION_EVENT_ACTION_MOVE, 0, metaState, mCurrentButtonState, 0,
+ mViewport.displayId,
+ 1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
+ mOrientedXPrecision, mOrientedYPrecision,
+ mPointerSimple.downTime);
+ getListener()->notifyMotion(&args);
+ }
+
+ if (hovering) {
+ if (!mPointerSimple.hovering) {
+ mPointerSimple.hovering = true;
+
+ // Send hover enter.
+ NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
+ AMOTION_EVENT_ACTION_HOVER_ENTER, 0, metaState, mCurrentButtonState, 0,
+ mViewport.displayId,
+ 1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
+ mOrientedXPrecision, mOrientedYPrecision,
+ mPointerSimple.downTime);
+ getListener()->notifyMotion(&args);
+ }
+
+ // Send hover move.
+ NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
+ AMOTION_EVENT_ACTION_HOVER_MOVE, 0, metaState, mCurrentButtonState, 0,
+ mViewport.displayId,
+ 1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
+ mOrientedXPrecision, mOrientedYPrecision,
+ mPointerSimple.downTime);
+ getListener()->notifyMotion(&args);
+ }
+
+ if (mCurrentRawVScroll || mCurrentRawHScroll) {
+ float vscroll = mCurrentRawVScroll;
+ float hscroll = mCurrentRawHScroll;
+ mWheelYVelocityControl.move(when, NULL, &vscroll);
+ mWheelXVelocityControl.move(when, &hscroll, NULL);
+
+ // Send scroll.
+ PointerCoords pointerCoords;
+ pointerCoords.copyFrom(mPointerSimple.currentCoords);
+ pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_VSCROLL, vscroll);
+ pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_HSCROLL, hscroll);
+
+ NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
+ AMOTION_EVENT_ACTION_SCROLL, 0, metaState, mCurrentButtonState, 0,
+ mViewport.displayId,
+ 1, &mPointerSimple.currentProperties, &pointerCoords,
+ mOrientedXPrecision, mOrientedYPrecision,
+ mPointerSimple.downTime);
+ getListener()->notifyMotion(&args);
+ }
+
+ // Save state.
+ if (down || hovering) {
+ mPointerSimple.lastCoords.copyFrom(mPointerSimple.currentCoords);
+ mPointerSimple.lastProperties.copyFrom(mPointerSimple.currentProperties);
+ } else {
+ mPointerSimple.reset();
+ }
+}
+
+void TouchInputMapper::abortPointerSimple(nsecs_t when, uint32_t policyFlags) {
+ mPointerSimple.currentCoords.clear();
+ mPointerSimple.currentProperties.clear();
+
+ dispatchPointerSimple(when, policyFlags, false, false);
+}
+
+void TouchInputMapper::dispatchMotion(nsecs_t when, uint32_t policyFlags, uint32_t source,
+ int32_t action, int32_t flags, int32_t metaState, int32_t buttonState, int32_t edgeFlags,
+ const PointerProperties* properties, const PointerCoords* coords,
+ const uint32_t* idToIndex, BitSet32 idBits,
+ int32_t changedId, float xPrecision, float yPrecision, nsecs_t downTime) {
+ PointerCoords pointerCoords[MAX_POINTERS];
+ PointerProperties pointerProperties[MAX_POINTERS];
+ uint32_t pointerCount = 0;
+ while (!idBits.isEmpty()) {
+ uint32_t id = idBits.clearFirstMarkedBit();
+ uint32_t index = idToIndex[id];
+ pointerProperties[pointerCount].copyFrom(properties[index]);
+ pointerCoords[pointerCount].copyFrom(coords[index]);
+
+ if (changedId >= 0 && id == uint32_t(changedId)) {
+ action |= pointerCount << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
+ }
+
+ pointerCount += 1;
+ }
+
+ ALOG_ASSERT(pointerCount != 0);
+
+ if (changedId >= 0 && pointerCount == 1) {
+ // Replace initial down and final up action.
+ // We can compare the action without masking off the changed pointer index
+ // because we know the index is 0.
+ if (action == AMOTION_EVENT_ACTION_POINTER_DOWN) {
+ action = AMOTION_EVENT_ACTION_DOWN;
+ } else if (action == AMOTION_EVENT_ACTION_POINTER_UP) {
+ action = AMOTION_EVENT_ACTION_UP;
+ } else {
+ // Can't happen.
+ ALOG_ASSERT(false);
+ }
+ }
+
+ NotifyMotionArgs args(when, getDeviceId(), source, policyFlags,
+ action, flags, metaState, buttonState, edgeFlags,
+ mViewport.displayId, pointerCount, pointerProperties, pointerCoords,
+ xPrecision, yPrecision, downTime);
+ getListener()->notifyMotion(&args);
+}
+
+bool TouchInputMapper::updateMovedPointers(const PointerProperties* inProperties,
+ const PointerCoords* inCoords, const uint32_t* inIdToIndex,
+ PointerProperties* outProperties, PointerCoords* outCoords, const uint32_t* outIdToIndex,
+ BitSet32 idBits) const {
+ bool changed = false;
+ while (!idBits.isEmpty()) {
+ uint32_t id = idBits.clearFirstMarkedBit();
+ uint32_t inIndex = inIdToIndex[id];
+ uint32_t outIndex = outIdToIndex[id];
+
+ const PointerProperties& curInProperties = inProperties[inIndex];
+ const PointerCoords& curInCoords = inCoords[inIndex];
+ PointerProperties& curOutProperties = outProperties[outIndex];
+ PointerCoords& curOutCoords = outCoords[outIndex];
+
+ if (curInProperties != curOutProperties) {
+ curOutProperties.copyFrom(curInProperties);
+ changed = true;
+ }
+
+ if (curInCoords != curOutCoords) {
+ curOutCoords.copyFrom(curInCoords);
+ changed = true;
+ }
+ }
+ return changed;
+}
+
+void TouchInputMapper::fadePointer() {
+ if (mPointerController != NULL) {
+ mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
+ }
+}
+
+bool TouchInputMapper::isPointInsideSurface(int32_t x, int32_t y) {
+ return x >= mRawPointerAxes.x.minValue && x <= mRawPointerAxes.x.maxValue
+ && y >= mRawPointerAxes.y.minValue && y <= mRawPointerAxes.y.maxValue;
+}
+
+const TouchInputMapper::VirtualKey* TouchInputMapper::findVirtualKeyHit(
+ int32_t x, int32_t y) {
+ size_t numVirtualKeys = mVirtualKeys.size();
+ for (size_t i = 0; i < numVirtualKeys; i++) {
+ const VirtualKey& virtualKey = mVirtualKeys[i];
+
+#if DEBUG_VIRTUAL_KEYS
+ ALOGD("VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, "
+ "left=%d, top=%d, right=%d, bottom=%d",
+ x, y,
+ virtualKey.keyCode, virtualKey.scanCode,
+ virtualKey.hitLeft, virtualKey.hitTop,
+ virtualKey.hitRight, virtualKey.hitBottom);
+#endif
+
+ if (virtualKey.isHit(x, y)) {
+ return & virtualKey;
+ }
+ }
+
+ return NULL;
+}
+
+void TouchInputMapper::assignPointerIds() {
+ uint32_t currentPointerCount = mCurrentRawPointerData.pointerCount;
+ uint32_t lastPointerCount = mLastRawPointerData.pointerCount;
+
+ mCurrentRawPointerData.clearIdBits();
+
+ if (currentPointerCount == 0) {
+ // No pointers to assign.
+ return;
+ }
+
+ if (lastPointerCount == 0) {
+ // All pointers are new.
+ for (uint32_t i = 0; i < currentPointerCount; i++) {
+ uint32_t id = i;
+ mCurrentRawPointerData.pointers[i].id = id;
+ mCurrentRawPointerData.idToIndex[id] = i;
+ mCurrentRawPointerData.markIdBit(id, mCurrentRawPointerData.isHovering(i));
+ }
+ return;
+ }
+
+ if (currentPointerCount == 1 && lastPointerCount == 1
+ && mCurrentRawPointerData.pointers[0].toolType
+ == mLastRawPointerData.pointers[0].toolType) {
+ // Only one pointer and no change in count so it must have the same id as before.
+ uint32_t id = mLastRawPointerData.pointers[0].id;
+ mCurrentRawPointerData.pointers[0].id = id;
+ mCurrentRawPointerData.idToIndex[id] = 0;
+ mCurrentRawPointerData.markIdBit(id, mCurrentRawPointerData.isHovering(0));
+ return;
+ }
+
+ // General case.
+ // We build a heap of squared euclidean distances between current and last pointers
+ // associated with the current and last pointer indices. Then, we find the best
+ // match (by distance) for each current pointer.
+ // The pointers must have the same tool type but it is possible for them to
+ // transition from hovering to touching or vice-versa while retaining the same id.
+ PointerDistanceHeapElement heap[MAX_POINTERS * MAX_POINTERS];
+
+ uint32_t heapSize = 0;
+ for (uint32_t currentPointerIndex = 0; currentPointerIndex < currentPointerCount;
+ currentPointerIndex++) {
+ for (uint32_t lastPointerIndex = 0; lastPointerIndex < lastPointerCount;
+ lastPointerIndex++) {
+ const RawPointerData::Pointer& currentPointer =
+ mCurrentRawPointerData.pointers[currentPointerIndex];
+ const RawPointerData::Pointer& lastPointer =
+ mLastRawPointerData.pointers[lastPointerIndex];
+ if (currentPointer.toolType == lastPointer.toolType) {
+ int64_t deltaX = currentPointer.x - lastPointer.x;
+ int64_t deltaY = currentPointer.y - lastPointer.y;
+
+ uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
+
+ // Insert new element into the heap (sift up).
+ heap[heapSize].currentPointerIndex = currentPointerIndex;
+ heap[heapSize].lastPointerIndex = lastPointerIndex;
+ heap[heapSize].distance = distance;
+ heapSize += 1;
+ }
+ }
+ }
+
+ // Heapify
+ for (uint32_t startIndex = heapSize / 2; startIndex != 0; ) {
+ startIndex -= 1;
+ for (uint32_t parentIndex = startIndex; ;) {
+ uint32_t childIndex = parentIndex * 2 + 1;
+ if (childIndex >= heapSize) {
+ break;
+ }
+
+ if (childIndex + 1 < heapSize
+ && heap[childIndex + 1].distance < heap[childIndex].distance) {
+ childIndex += 1;
+ }
+
+ if (heap[parentIndex].distance <= heap[childIndex].distance) {
+ break;
+ }
+
+ swap(heap[parentIndex], heap[childIndex]);
+ parentIndex = childIndex;
+ }
+ }
+
+#if DEBUG_POINTER_ASSIGNMENT
+ ALOGD("assignPointerIds - initial distance min-heap: size=%d", heapSize);
+ for (size_t i = 0; i < heapSize; i++) {
+ ALOGD(" heap[%d]: cur=%d, last=%d, distance=%lld",
+ i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
+ heap[i].distance);
+ }
+#endif
+
+ // Pull matches out by increasing order of distance.
+ // To avoid reassigning pointers that have already been matched, the loop keeps track
+ // of which last and current pointers have been matched using the matchedXXXBits variables.
+ // It also tracks the used pointer id bits.
+ BitSet32 matchedLastBits(0);
+ BitSet32 matchedCurrentBits(0);
+ BitSet32 usedIdBits(0);
+ bool first = true;
+ for (uint32_t i = min(currentPointerCount, lastPointerCount); heapSize > 0 && i > 0; i--) {
+ while (heapSize > 0) {
+ if (first) {
+ // The first time through the loop, we just consume the root element of
+ // the heap (the one with smallest distance).
+ first = false;
+ } else {
+ // Previous iterations consumed the root element of the heap.
+ // Pop root element off of the heap (sift down).
+ heap[0] = heap[heapSize];
+ for (uint32_t parentIndex = 0; ;) {
+ uint32_t childIndex = parentIndex * 2 + 1;
+ if (childIndex >= heapSize) {
+ break;
+ }
+
+ if (childIndex + 1 < heapSize
+ && heap[childIndex + 1].distance < heap[childIndex].distance) {
+ childIndex += 1;
+ }
+
+ if (heap[parentIndex].distance <= heap[childIndex].distance) {
+ break;
+ }
+
+ swap(heap[parentIndex], heap[childIndex]);
+ parentIndex = childIndex;
+ }
+
+#if DEBUG_POINTER_ASSIGNMENT
+ ALOGD("assignPointerIds - reduced distance min-heap: size=%d", heapSize);
+ for (size_t i = 0; i < heapSize; i++) {
+ ALOGD(" heap[%d]: cur=%d, last=%d, distance=%lld",
+ i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
+ heap[i].distance);
+ }
+#endif
+ }
+
+ heapSize -= 1;
+
+ uint32_t currentPointerIndex = heap[0].currentPointerIndex;
+ if (matchedCurrentBits.hasBit(currentPointerIndex)) continue; // already matched
+
+ uint32_t lastPointerIndex = heap[0].lastPointerIndex;
+ if (matchedLastBits.hasBit(lastPointerIndex)) continue; // already matched
+
+ matchedCurrentBits.markBit(currentPointerIndex);
+ matchedLastBits.markBit(lastPointerIndex);
+
+ uint32_t id = mLastRawPointerData.pointers[lastPointerIndex].id;
+ mCurrentRawPointerData.pointers[currentPointerIndex].id = id;
+ mCurrentRawPointerData.idToIndex[id] = currentPointerIndex;
+ mCurrentRawPointerData.markIdBit(id,
+ mCurrentRawPointerData.isHovering(currentPointerIndex));
+ usedIdBits.markBit(id);
+
+#if DEBUG_POINTER_ASSIGNMENT
+ ALOGD("assignPointerIds - matched: cur=%d, last=%d, id=%d, distance=%lld",
+ lastPointerIndex, currentPointerIndex, id, heap[0].distance);
+#endif
+ break;
+ }
+ }
+
+ // Assign fresh ids to pointers that were not matched in the process.
+ for (uint32_t i = currentPointerCount - matchedCurrentBits.count(); i != 0; i--) {
+ uint32_t currentPointerIndex = matchedCurrentBits.markFirstUnmarkedBit();
+ uint32_t id = usedIdBits.markFirstUnmarkedBit();
+
+ mCurrentRawPointerData.pointers[currentPointerIndex].id = id;
+ mCurrentRawPointerData.idToIndex[id] = currentPointerIndex;
+ mCurrentRawPointerData.markIdBit(id,
+ mCurrentRawPointerData.isHovering(currentPointerIndex));
+
+#if DEBUG_POINTER_ASSIGNMENT
+ ALOGD("assignPointerIds - assigned: cur=%d, id=%d",
+ currentPointerIndex, id);
+#endif
+ }
+}
+
+int32_t TouchInputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
+ if (mCurrentVirtualKey.down && mCurrentVirtualKey.keyCode == keyCode) {
+ return AKEY_STATE_VIRTUAL;
+ }
+
+ size_t numVirtualKeys = mVirtualKeys.size();
+ for (size_t i = 0; i < numVirtualKeys; i++) {
+ const VirtualKey& virtualKey = mVirtualKeys[i];
+ if (virtualKey.keyCode == keyCode) {
+ return AKEY_STATE_UP;
+ }
+ }
+
+ return AKEY_STATE_UNKNOWN;
+}
+
+int32_t TouchInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
+ if (mCurrentVirtualKey.down && mCurrentVirtualKey.scanCode == scanCode) {
+ return AKEY_STATE_VIRTUAL;
+ }
+
+ size_t numVirtualKeys = mVirtualKeys.size();
+ for (size_t i = 0; i < numVirtualKeys; i++) {
+ const VirtualKey& virtualKey = mVirtualKeys[i];
+ if (virtualKey.scanCode == scanCode) {
+ return AKEY_STATE_UP;
+ }
+ }
+
+ return AKEY_STATE_UNKNOWN;
+}
+
+bool TouchInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) {
+ size_t numVirtualKeys = mVirtualKeys.size();
+ for (size_t i = 0; i < numVirtualKeys; i++) {
+ const VirtualKey& virtualKey = mVirtualKeys[i];
+
+ for (size_t i = 0; i < numCodes; i++) {
+ if (virtualKey.keyCode == keyCodes[i]) {
+ outFlags[i] = 1;
+ }
+ }
+ }
+
+ return true;
+}
+
+
+// --- SingleTouchInputMapper ---
+
+SingleTouchInputMapper::SingleTouchInputMapper(InputDevice* device) :
+ TouchInputMapper(device) {
+}
+
+SingleTouchInputMapper::~SingleTouchInputMapper() {
+}
+
+void SingleTouchInputMapper::reset(nsecs_t when) {
+ mSingleTouchMotionAccumulator.reset(getDevice());
+
+ TouchInputMapper::reset(when);
+}
+
+void SingleTouchInputMapper::process(const RawEvent* rawEvent) {
+ TouchInputMapper::process(rawEvent);
+
+ mSingleTouchMotionAccumulator.process(rawEvent);
+}
+
+void SingleTouchInputMapper::syncTouch(nsecs_t when, bool* outHavePointerIds) {
+ if (mTouchButtonAccumulator.isToolActive()) {
+ mCurrentRawPointerData.pointerCount = 1;
+ mCurrentRawPointerData.idToIndex[0] = 0;
+
+ bool isHovering = mTouchButtonAccumulator.getToolType() != AMOTION_EVENT_TOOL_TYPE_MOUSE
+ && (mTouchButtonAccumulator.isHovering()
+ || (mRawPointerAxes.pressure.valid
+ && mSingleTouchMotionAccumulator.getAbsolutePressure() <= 0));
+ mCurrentRawPointerData.markIdBit(0, isHovering);
+
+ RawPointerData::Pointer& outPointer = mCurrentRawPointerData.pointers[0];
+ outPointer.id = 0;
+ outPointer.x = mSingleTouchMotionAccumulator.getAbsoluteX();
+ outPointer.y = mSingleTouchMotionAccumulator.getAbsoluteY();
+ outPointer.pressure = mSingleTouchMotionAccumulator.getAbsolutePressure();
+ outPointer.touchMajor = 0;
+ outPointer.touchMinor = 0;
+ outPointer.toolMajor = mSingleTouchMotionAccumulator.getAbsoluteToolWidth();
+ outPointer.toolMinor = mSingleTouchMotionAccumulator.getAbsoluteToolWidth();
+ outPointer.orientation = 0;
+ outPointer.distance = mSingleTouchMotionAccumulator.getAbsoluteDistance();
+ outPointer.tiltX = mSingleTouchMotionAccumulator.getAbsoluteTiltX();
+ outPointer.tiltY = mSingleTouchMotionAccumulator.getAbsoluteTiltY();
+ outPointer.toolType = mTouchButtonAccumulator.getToolType();
+ if (outPointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
+ outPointer.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+ }
+ outPointer.isHovering = isHovering;
+ }
+}
+
+void SingleTouchInputMapper::configureRawPointerAxes() {
+ TouchInputMapper::configureRawPointerAxes();
+
+ getAbsoluteAxisInfo(ABS_X, &mRawPointerAxes.x);
+ getAbsoluteAxisInfo(ABS_Y, &mRawPointerAxes.y);
+ getAbsoluteAxisInfo(ABS_PRESSURE, &mRawPointerAxes.pressure);
+ getAbsoluteAxisInfo(ABS_TOOL_WIDTH, &mRawPointerAxes.toolMajor);
+ getAbsoluteAxisInfo(ABS_DISTANCE, &mRawPointerAxes.distance);
+ getAbsoluteAxisInfo(ABS_TILT_X, &mRawPointerAxes.tiltX);
+ getAbsoluteAxisInfo(ABS_TILT_Y, &mRawPointerAxes.tiltY);
+}
+
+bool SingleTouchInputMapper::hasStylus() const {
+ return mTouchButtonAccumulator.hasStylus();
+}
+
+
+// --- MultiTouchInputMapper ---
+
+MultiTouchInputMapper::MultiTouchInputMapper(InputDevice* device) :
+ TouchInputMapper(device) {
+}
+
+MultiTouchInputMapper::~MultiTouchInputMapper() {
+}
+
+void MultiTouchInputMapper::reset(nsecs_t when) {
+ mMultiTouchMotionAccumulator.reset(getDevice());
+
+ mPointerIdBits.clear();
+
+ TouchInputMapper::reset(when);
+}
+
+void MultiTouchInputMapper::process(const RawEvent* rawEvent) {
+ TouchInputMapper::process(rawEvent);
+
+ mMultiTouchMotionAccumulator.process(rawEvent);
+}
+
+void MultiTouchInputMapper::syncTouch(nsecs_t when, bool* outHavePointerIds) {
+ size_t inCount = mMultiTouchMotionAccumulator.getSlotCount();
+ size_t outCount = 0;
+ BitSet32 newPointerIdBits;
+
+ for (size_t inIndex = 0; inIndex < inCount; inIndex++) {
+ const MultiTouchMotionAccumulator::Slot* inSlot =
+ mMultiTouchMotionAccumulator.getSlot(inIndex);
+ if (!inSlot->isInUse()) {
+ continue;
+ }
+
+ if (outCount >= MAX_POINTERS) {
+#if DEBUG_POINTERS
+ ALOGD("MultiTouch device %s emitted more than maximum of %d pointers; "
+ "ignoring the rest.",
+ getDeviceName().string(), MAX_POINTERS);
+#endif
+ break; // too many fingers!
+ }
+
+ RawPointerData::Pointer& outPointer = mCurrentRawPointerData.pointers[outCount];
+ outPointer.x = inSlot->getX();
+ outPointer.y = inSlot->getY();
+ outPointer.pressure = inSlot->getPressure();
+ outPointer.touchMajor = inSlot->getTouchMajor();
+ outPointer.touchMinor = inSlot->getTouchMinor();
+ outPointer.toolMajor = inSlot->getToolMajor();
+ outPointer.toolMinor = inSlot->getToolMinor();
+ outPointer.orientation = inSlot->getOrientation();
+ outPointer.distance = inSlot->getDistance();
+ outPointer.tiltX = 0;
+ outPointer.tiltY = 0;
+
+ outPointer.toolType = inSlot->getToolType();
+ if (outPointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
+ outPointer.toolType = mTouchButtonAccumulator.getToolType();
+ if (outPointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
+ outPointer.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+ }
+ }
+
+ bool isHovering = mTouchButtonAccumulator.getToolType() != AMOTION_EVENT_TOOL_TYPE_MOUSE
+ && (mTouchButtonAccumulator.isHovering()
+ || (mRawPointerAxes.pressure.valid && inSlot->getPressure() <= 0));
+ outPointer.isHovering = isHovering;
+
+ // Assign pointer id using tracking id if available.
+ if (*outHavePointerIds) {
+ int32_t trackingId = inSlot->getTrackingId();
+ int32_t id = -1;
+ if (trackingId >= 0) {
+ for (BitSet32 idBits(mPointerIdBits); !idBits.isEmpty(); ) {
+ uint32_t n = idBits.clearFirstMarkedBit();
+ if (mPointerTrackingIdMap[n] == trackingId) {
+ id = n;
+ }
+ }
+
+ if (id < 0 && !mPointerIdBits.isFull()) {
+ id = mPointerIdBits.markFirstUnmarkedBit();
+ mPointerTrackingIdMap[id] = trackingId;
+ }
+ }
+ if (id < 0) {
+ *outHavePointerIds = false;
+ mCurrentRawPointerData.clearIdBits();
+ newPointerIdBits.clear();
+ } else {
+ outPointer.id = id;
+ mCurrentRawPointerData.idToIndex[id] = outCount;
+ mCurrentRawPointerData.markIdBit(id, isHovering);
+ newPointerIdBits.markBit(id);
+ }
+ }
+
+ outCount += 1;
+ }
+
+ mCurrentRawPointerData.pointerCount = outCount;
+ mPointerIdBits = newPointerIdBits;
+
+ mMultiTouchMotionAccumulator.finishSync();
+}
+
+void MultiTouchInputMapper::configureRawPointerAxes() {
+ TouchInputMapper::configureRawPointerAxes();
+
+ getAbsoluteAxisInfo(ABS_MT_POSITION_X, &mRawPointerAxes.x);
+ getAbsoluteAxisInfo(ABS_MT_POSITION_Y, &mRawPointerAxes.y);
+ getAbsoluteAxisInfo(ABS_MT_TOUCH_MAJOR, &mRawPointerAxes.touchMajor);
+ getAbsoluteAxisInfo(ABS_MT_TOUCH_MINOR, &mRawPointerAxes.touchMinor);
+ getAbsoluteAxisInfo(ABS_MT_WIDTH_MAJOR, &mRawPointerAxes.toolMajor);
+ getAbsoluteAxisInfo(ABS_MT_WIDTH_MINOR, &mRawPointerAxes.toolMinor);
+ getAbsoluteAxisInfo(ABS_MT_ORIENTATION, &mRawPointerAxes.orientation);
+ getAbsoluteAxisInfo(ABS_MT_PRESSURE, &mRawPointerAxes.pressure);
+ getAbsoluteAxisInfo(ABS_MT_DISTANCE, &mRawPointerAxes.distance);
+ getAbsoluteAxisInfo(ABS_MT_TRACKING_ID, &mRawPointerAxes.trackingId);
+ getAbsoluteAxisInfo(ABS_MT_SLOT, &mRawPointerAxes.slot);
+
+ if (mRawPointerAxes.trackingId.valid
+ && mRawPointerAxes.slot.valid
+ && mRawPointerAxes.slot.minValue == 0 && mRawPointerAxes.slot.maxValue > 0) {
+ size_t slotCount = mRawPointerAxes.slot.maxValue + 1;
+ if (slotCount > MAX_SLOTS) {
+ ALOGW("MultiTouch Device %s reported %d slots but the framework "
+ "only supports a maximum of %d slots at this time.",
+ getDeviceName().string(), slotCount, MAX_SLOTS);
+ slotCount = MAX_SLOTS;
+ }
+ mMultiTouchMotionAccumulator.configure(getDevice(),
+ slotCount, true /*usingSlotsProtocol*/);
+ } else {
+ mMultiTouchMotionAccumulator.configure(getDevice(),
+ MAX_POINTERS, false /*usingSlotsProtocol*/);
+ }
+}
+
+bool MultiTouchInputMapper::hasStylus() const {
+ return mMultiTouchMotionAccumulator.hasStylus()
+ || mTouchButtonAccumulator.hasStylus();
+}
+
+
+// --- JoystickInputMapper ---
+
+JoystickInputMapper::JoystickInputMapper(InputDevice* device) :
+ InputMapper(device) {
+}
+
+JoystickInputMapper::~JoystickInputMapper() {
+}
+
+uint32_t JoystickInputMapper::getSources() {
+ return AINPUT_SOURCE_JOYSTICK;
+}
+
+void JoystickInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
+ InputMapper::populateDeviceInfo(info);
+
+ for (size_t i = 0; i < mAxes.size(); i++) {
+ const Axis& axis = mAxes.valueAt(i);
+ addMotionRange(axis.axisInfo.axis, axis, info);
+
+ if (axis.axisInfo.mode == AxisInfo::MODE_SPLIT) {
+ addMotionRange(axis.axisInfo.highAxis, axis, info);
+
+ }
+ }
+}
+
+void JoystickInputMapper::addMotionRange(int32_t axisId, const Axis& axis,
+ InputDeviceInfo* info) {
+ info->addMotionRange(axisId, AINPUT_SOURCE_JOYSTICK,
+ axis.min, axis.max, axis.flat, axis.fuzz, axis.resolution);
+ /* In order to ease the transition for developers from using the old axes
+ * to the newer, more semantically correct axes, we'll continue to register
+ * the old axes as duplicates of their corresponding new ones. */
+ int32_t compatAxis = getCompatAxis(axisId);
+ if (compatAxis >= 0) {
+ info->addMotionRange(compatAxis, AINPUT_SOURCE_JOYSTICK,
+ axis.min, axis.max, axis.flat, axis.fuzz, axis.resolution);
+ }
+}
+
+/* A mapping from axes the joystick actually has to the axes that should be
+ * artificially created for compatibility purposes.
+ * Returns -1 if no compatibility axis is needed. */
+int32_t JoystickInputMapper::getCompatAxis(int32_t axis) {
+ switch(axis) {
+ case AMOTION_EVENT_AXIS_LTRIGGER:
+ return AMOTION_EVENT_AXIS_BRAKE;
+ case AMOTION_EVENT_AXIS_RTRIGGER:
+ return AMOTION_EVENT_AXIS_GAS;
+ }
+ return -1;
+}
+
+void JoystickInputMapper::dump(String8& dump) {
+ dump.append(INDENT2 "Joystick Input Mapper:\n");
+
+ dump.append(INDENT3 "Axes:\n");
+ size_t numAxes = mAxes.size();
+ for (size_t i = 0; i < numAxes; i++) {
+ const Axis& axis = mAxes.valueAt(i);
+ const char* label = getAxisLabel(axis.axisInfo.axis);
+ if (label) {
+ dump.appendFormat(INDENT4 "%s", label);
+ } else {
+ dump.appendFormat(INDENT4 "%d", axis.axisInfo.axis);
+ }
+ if (axis.axisInfo.mode == AxisInfo::MODE_SPLIT) {
+ label = getAxisLabel(axis.axisInfo.highAxis);
+ if (label) {
+ dump.appendFormat(" / %s (split at %d)", label, axis.axisInfo.splitValue);
+ } else {
+ dump.appendFormat(" / %d (split at %d)", axis.axisInfo.highAxis,
+ axis.axisInfo.splitValue);
+ }
+ } else if (axis.axisInfo.mode == AxisInfo::MODE_INVERT) {
+ dump.append(" (invert)");
+ }
+
+ dump.appendFormat(": min=%0.5f, max=%0.5f, flat=%0.5f, fuzz=%0.5f, resolution=%0.5f\n",
+ axis.min, axis.max, axis.flat, axis.fuzz, axis.resolution);
+ dump.appendFormat(INDENT4 " scale=%0.5f, offset=%0.5f, "
+ "highScale=%0.5f, highOffset=%0.5f\n",
+ axis.scale, axis.offset, axis.highScale, axis.highOffset);
+ dump.appendFormat(INDENT4 " rawAxis=%d, rawMin=%d, rawMax=%d, "
+ "rawFlat=%d, rawFuzz=%d, rawResolution=%d\n",
+ mAxes.keyAt(i), axis.rawAxisInfo.minValue, axis.rawAxisInfo.maxValue,
+ axis.rawAxisInfo.flat, axis.rawAxisInfo.fuzz, axis.rawAxisInfo.resolution);
+ }
+}
+
+void JoystickInputMapper::configure(nsecs_t when,
+ const InputReaderConfiguration* config, uint32_t changes) {
+ InputMapper::configure(when, config, changes);
+
+ if (!changes) { // first time only
+ // Collect all axes.
+ for (int32_t abs = 0; abs <= ABS_MAX; abs++) {
+ if (!(getAbsAxisUsage(abs, getDevice()->getClasses())
+ & INPUT_DEVICE_CLASS_JOYSTICK)) {
+ continue; // axis must be claimed by a different device
+ }
+
+ RawAbsoluteAxisInfo rawAxisInfo;
+ getAbsoluteAxisInfo(abs, &rawAxisInfo);
+ if (rawAxisInfo.valid) {
+ // Map axis.
+ AxisInfo axisInfo;
+ bool explicitlyMapped = !getEventHub()->mapAxis(getDeviceId(), abs, &axisInfo);
+ if (!explicitlyMapped) {
+ // Axis is not explicitly mapped, will choose a generic axis later.
+ axisInfo.mode = AxisInfo::MODE_NORMAL;
+ axisInfo.axis = -1;
+ }
+
+ // Apply flat override.
+ int32_t rawFlat = axisInfo.flatOverride < 0
+ ? rawAxisInfo.flat : axisInfo.flatOverride;
+
+ // Calculate scaling factors and limits.
+ Axis axis;
+ if (axisInfo.mode == AxisInfo::MODE_SPLIT) {
+ float scale = 1.0f / (axisInfo.splitValue - rawAxisInfo.minValue);
+ float highScale = 1.0f / (rawAxisInfo.maxValue - axisInfo.splitValue);
+ axis.initialize(rawAxisInfo, axisInfo, explicitlyMapped,
+ scale, 0.0f, highScale, 0.0f,
+ 0.0f, 1.0f, rawFlat * scale, rawAxisInfo.fuzz * scale,
+ rawAxisInfo.resolution * scale);
+ } else if (isCenteredAxis(axisInfo.axis)) {
+ float scale = 2.0f / (rawAxisInfo.maxValue - rawAxisInfo.minValue);
+ float offset = avg(rawAxisInfo.minValue, rawAxisInfo.maxValue) * -scale;
+ axis.initialize(rawAxisInfo, axisInfo, explicitlyMapped,
+ scale, offset, scale, offset,
+ -1.0f, 1.0f, rawFlat * scale, rawAxisInfo.fuzz * scale,
+ rawAxisInfo.resolution * scale);
+ } else {
+ float scale = 1.0f / (rawAxisInfo.maxValue - rawAxisInfo.minValue);
+ axis.initialize(rawAxisInfo, axisInfo, explicitlyMapped,
+ scale, 0.0f, scale, 0.0f,
+ 0.0f, 1.0f, rawFlat * scale, rawAxisInfo.fuzz * scale,
+ rawAxisInfo.resolution * scale);
+ }
+
+ // To eliminate noise while the joystick is at rest, filter out small variations
+ // in axis values up front.
+ axis.filter = axis.fuzz ? axis.fuzz : axis.flat * 0.25f;
+
+ mAxes.add(abs, axis);
+ }
+ }
+
+ // If there are too many axes, start dropping them.
+ // Prefer to keep explicitly mapped axes.
+ if (mAxes.size() > PointerCoords::MAX_AXES) {
+ ALOGI("Joystick '%s' has %d axes but the framework only supports a maximum of %d.",
+ getDeviceName().string(), mAxes.size(), PointerCoords::MAX_AXES);
+ pruneAxes(true);
+ pruneAxes(false);
+ }
+
+ // Assign generic axis ids to remaining axes.
+ int32_t nextGenericAxisId = AMOTION_EVENT_AXIS_GENERIC_1;
+ size_t numAxes = mAxes.size();
+ for (size_t i = 0; i < numAxes; i++) {
+ Axis& axis = mAxes.editValueAt(i);
+ if (axis.axisInfo.axis < 0) {
+ while (nextGenericAxisId <= AMOTION_EVENT_AXIS_GENERIC_16
+ && haveAxis(nextGenericAxisId)) {
+ nextGenericAxisId += 1;
+ }
+
+ if (nextGenericAxisId <= AMOTION_EVENT_AXIS_GENERIC_16) {
+ axis.axisInfo.axis = nextGenericAxisId;
+ nextGenericAxisId += 1;
+ } else {
+ ALOGI("Ignoring joystick '%s' axis %d because all of the generic axis ids "
+ "have already been assigned to other axes.",
+ getDeviceName().string(), mAxes.keyAt(i));
+ mAxes.removeItemsAt(i--);
+ numAxes -= 1;
+ }
+ }
+ }
+ }
+}
+
+bool JoystickInputMapper::haveAxis(int32_t axisId) {
+ size_t numAxes = mAxes.size();
+ for (size_t i = 0; i < numAxes; i++) {
+ const Axis& axis = mAxes.valueAt(i);
+ if (axis.axisInfo.axis == axisId
+ || (axis.axisInfo.mode == AxisInfo::MODE_SPLIT
+ && axis.axisInfo.highAxis == axisId)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+void JoystickInputMapper::pruneAxes(bool ignoreExplicitlyMappedAxes) {
+ size_t i = mAxes.size();
+ while (mAxes.size() > PointerCoords::MAX_AXES && i-- > 0) {
+ if (ignoreExplicitlyMappedAxes && mAxes.valueAt(i).explicitlyMapped) {
+ continue;
+ }
+ ALOGI("Discarding joystick '%s' axis %d because there are too many axes.",
+ getDeviceName().string(), mAxes.keyAt(i));
+ mAxes.removeItemsAt(i);
+ }
+}
+
+bool JoystickInputMapper::isCenteredAxis(int32_t axis) {
+ switch (axis) {
+ case AMOTION_EVENT_AXIS_X:
+ case AMOTION_EVENT_AXIS_Y:
+ case AMOTION_EVENT_AXIS_Z:
+ case AMOTION_EVENT_AXIS_RX:
+ case AMOTION_EVENT_AXIS_RY:
+ case AMOTION_EVENT_AXIS_RZ:
+ case AMOTION_EVENT_AXIS_HAT_X:
+ case AMOTION_EVENT_AXIS_HAT_Y:
+ case AMOTION_EVENT_AXIS_ORIENTATION:
+ case AMOTION_EVENT_AXIS_RUDDER:
+ case AMOTION_EVENT_AXIS_WHEEL:
+ return true;
+ default:
+ return false;
+ }
+}
+
+void JoystickInputMapper::reset(nsecs_t when) {
+ // Recenter all axes.
+ size_t numAxes = mAxes.size();
+ for (size_t i = 0; i < numAxes; i++) {
+ Axis& axis = mAxes.editValueAt(i);
+ axis.resetValue();
+ }
+
+ InputMapper::reset(when);
+}
+
+void JoystickInputMapper::process(const RawEvent* rawEvent) {
+ switch (rawEvent->type) {
+ case EV_ABS: {
+ ssize_t index = mAxes.indexOfKey(rawEvent->code);
+ if (index >= 0) {
+ Axis& axis = mAxes.editValueAt(index);
+ float newValue, highNewValue;
+ switch (axis.axisInfo.mode) {
+ case AxisInfo::MODE_INVERT:
+ newValue = (axis.rawAxisInfo.maxValue - rawEvent->value)
+ * axis.scale + axis.offset;
+ highNewValue = 0.0f;
+ break;
+ case AxisInfo::MODE_SPLIT:
+ if (rawEvent->value < axis.axisInfo.splitValue) {
+ newValue = (axis.axisInfo.splitValue - rawEvent->value)
+ * axis.scale + axis.offset;
+ highNewValue = 0.0f;
+ } else if (rawEvent->value > axis.axisInfo.splitValue) {
+ newValue = 0.0f;
+ highNewValue = (rawEvent->value - axis.axisInfo.splitValue)
+ * axis.highScale + axis.highOffset;
+ } else {
+ newValue = 0.0f;
+ highNewValue = 0.0f;
+ }
+ break;
+ default:
+ newValue = rawEvent->value * axis.scale + axis.offset;
+ highNewValue = 0.0f;
+ break;
+ }
+ axis.newValue = newValue;
+ axis.highNewValue = highNewValue;
+ }
+ break;
+ }
+
+ case EV_SYN:
+ switch (rawEvent->code) {
+ case SYN_REPORT:
+ sync(rawEvent->when, false /*force*/);
+ break;
+ }
+ break;
+ }
+}
+
+void JoystickInputMapper::sync(nsecs_t when, bool force) {
+ if (!filterAxes(force)) {
+ return;
+ }
+
+ int32_t metaState = mContext->getGlobalMetaState();
+ int32_t buttonState = 0;
+
+ PointerProperties pointerProperties;
+ pointerProperties.clear();
+ pointerProperties.id = 0;
+ pointerProperties.toolType = AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
+
+ PointerCoords pointerCoords;
+ pointerCoords.clear();
+
+ size_t numAxes = mAxes.size();
+ for (size_t i = 0; i < numAxes; i++) {
+ const Axis& axis = mAxes.valueAt(i);
+ setPointerCoordsAxisValue(&pointerCoords, axis.axisInfo.axis, axis.currentValue);
+ if (axis.axisInfo.mode == AxisInfo::MODE_SPLIT) {
+ setPointerCoordsAxisValue(&pointerCoords, axis.axisInfo.highAxis,
+ axis.highCurrentValue);
+ }
+ }
+
+ // Moving a joystick axis should not wake the device because joysticks can
+ // be fairly noisy even when not in use. On the other hand, pushing a gamepad
+ // button will likely wake the device.
+ // TODO: Use the input device configuration to control this behavior more finely.
+ uint32_t policyFlags = 0;
+
+ NotifyMotionArgs args(when, getDeviceId(), AINPUT_SOURCE_JOYSTICK, policyFlags,
+ AMOTION_EVENT_ACTION_MOVE, 0, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+ ADISPLAY_ID_NONE, 1, &pointerProperties, &pointerCoords, 0, 0, 0);
+ getListener()->notifyMotion(&args);
+}
+
+void JoystickInputMapper::setPointerCoordsAxisValue(PointerCoords* pointerCoords,
+ int32_t axis, float value) {
+ pointerCoords->setAxisValue(axis, value);
+ /* In order to ease the transition for developers from using the old axes
+ * to the newer, more semantically correct axes, we'll continue to produce
+ * values for the old axes as mirrors of the value of their corresponding
+ * new axes. */
+ int32_t compatAxis = getCompatAxis(axis);
+ if (compatAxis >= 0) {
+ pointerCoords->setAxisValue(compatAxis, value);
+ }
+}
+
+bool JoystickInputMapper::filterAxes(bool force) {
+ bool atLeastOneSignificantChange = force;
+ size_t numAxes = mAxes.size();
+ for (size_t i = 0; i < numAxes; i++) {
+ Axis& axis = mAxes.editValueAt(i);
+ if (force || hasValueChangedSignificantly(axis.filter,
+ axis.newValue, axis.currentValue, axis.min, axis.max)) {
+ axis.currentValue = axis.newValue;
+ atLeastOneSignificantChange = true;
+ }
+ if (axis.axisInfo.mode == AxisInfo::MODE_SPLIT) {
+ if (force || hasValueChangedSignificantly(axis.filter,
+ axis.highNewValue, axis.highCurrentValue, axis.min, axis.max)) {
+ axis.highCurrentValue = axis.highNewValue;
+ atLeastOneSignificantChange = true;
+ }
+ }
+ }
+ return atLeastOneSignificantChange;
+}
+
+bool JoystickInputMapper::hasValueChangedSignificantly(
+ float filter, float newValue, float currentValue, float min, float max) {
+ if (newValue != currentValue) {
+ // Filter out small changes in value unless the value is converging on the axis
+ // bounds or center point. This is intended to reduce the amount of information
+ // sent to applications by particularly noisy joysticks (such as PS3).
+ if (fabs(newValue - currentValue) > filter
+ || hasMovedNearerToValueWithinFilteredRange(filter, newValue, currentValue, min)
+ || hasMovedNearerToValueWithinFilteredRange(filter, newValue, currentValue, max)
+ || hasMovedNearerToValueWithinFilteredRange(filter, newValue, currentValue, 0)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+bool JoystickInputMapper::hasMovedNearerToValueWithinFilteredRange(
+ float filter, float newValue, float currentValue, float thresholdValue) {
+ float newDistance = fabs(newValue - thresholdValue);
+ if (newDistance < filter) {
+ float oldDistance = fabs(currentValue - thresholdValue);
+ if (newDistance < oldDistance) {
+ return true;
+ }
+ }
+ return false;
+}
+
+} // namespace android
diff --git a/libs/input/InputReader.h b/libs/input/InputReader.h
new file mode 100644
index 0000000..674f67d
--- /dev/null
+++ b/libs/input/InputReader.h
@@ -0,0 +1,1817 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_READER_H
+#define _UI_INPUT_READER_H
+
+#include "EventHub.h"
+#include "PointerController.h"
+#include "InputListener.h"
+
+#include <input/Input.h>
+#include <input/VelocityControl.h>
+#include <input/VelocityTracker.h>
+#include <utils/KeyedVector.h>
+#include <utils/threads.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+#include <utils/BitSet.h>
+
+#include <stddef.h>
+#include <unistd.h>
+
+// Maximum supported size of a vibration pattern.
+// Must be at least 2.
+#define MAX_VIBRATE_PATTERN_SIZE 100
+
+// Maximum allowable delay value in a vibration pattern before
+// which the delay will be truncated.
+#define MAX_VIBRATE_PATTERN_DELAY_NSECS (1000000 * 1000000000LL)
+
+namespace android {
+
+class InputDevice;
+class InputMapper;
+
+/*
+ * Describes how coordinates are mapped on a physical display.
+ * See com.android.server.display.DisplayViewport.
+ */
+struct DisplayViewport {
+ int32_t displayId; // -1 if invalid
+ int32_t orientation;
+ int32_t logicalLeft;
+ int32_t logicalTop;
+ int32_t logicalRight;
+ int32_t logicalBottom;
+ int32_t physicalLeft;
+ int32_t physicalTop;
+ int32_t physicalRight;
+ int32_t physicalBottom;
+ int32_t deviceWidth;
+ int32_t deviceHeight;
+
+ DisplayViewport() :
+ displayId(ADISPLAY_ID_NONE), orientation(DISPLAY_ORIENTATION_0),
+ logicalLeft(0), logicalTop(0), logicalRight(0), logicalBottom(0),
+ physicalLeft(0), physicalTop(0), physicalRight(0), physicalBottom(0),
+ deviceWidth(0), deviceHeight(0) {
+ }
+
+ bool operator==(const DisplayViewport& other) const {
+ return displayId == other.displayId
+ && orientation == other.orientation
+ && logicalLeft == other.logicalLeft
+ && logicalTop == other.logicalTop
+ && logicalRight == other.logicalRight
+ && logicalBottom == other.logicalBottom
+ && physicalLeft == other.physicalLeft
+ && physicalTop == other.physicalTop
+ && physicalRight == other.physicalRight
+ && physicalBottom == other.physicalBottom
+ && deviceWidth == other.deviceWidth
+ && deviceHeight == other.deviceHeight;
+ }
+
+ bool operator!=(const DisplayViewport& other) const {
+ return !(*this == other);
+ }
+
+ inline bool isValid() const {
+ return displayId >= 0;
+ }
+
+ void setNonDisplayViewport(int32_t width, int32_t height) {
+ displayId = ADISPLAY_ID_NONE;
+ orientation = DISPLAY_ORIENTATION_0;
+ logicalLeft = 0;
+ logicalTop = 0;
+ logicalRight = width;
+ logicalBottom = height;
+ physicalLeft = 0;
+ physicalTop = 0;
+ physicalRight = width;
+ physicalBottom = height;
+ deviceWidth = width;
+ deviceHeight = height;
+ }
+};
+
+/*
+ * Input reader configuration.
+ *
+ * Specifies various options that modify the behavior of the input reader.
+ */
+struct InputReaderConfiguration {
+ // Describes changes that have occurred.
+ enum {
+ // The pointer speed changed.
+ CHANGE_POINTER_SPEED = 1 << 0,
+
+ // The pointer gesture control changed.
+ CHANGE_POINTER_GESTURE_ENABLEMENT = 1 << 1,
+
+ // The display size or orientation changed.
+ CHANGE_DISPLAY_INFO = 1 << 2,
+
+ // The visible touches option changed.
+ CHANGE_SHOW_TOUCHES = 1 << 3,
+
+ // The keyboard layouts must be reloaded.
+ CHANGE_KEYBOARD_LAYOUTS = 1 << 4,
+
+ // The device name alias supplied by the may have changed for some devices.
+ CHANGE_DEVICE_ALIAS = 1 << 5,
+
+ // All devices must be reopened.
+ CHANGE_MUST_REOPEN = 1 << 31,
+ };
+
+ // Gets the amount of time to disable virtual keys after the screen is touched
+ // in order to filter out accidental virtual key presses due to swiping gestures
+ // or taps near the edge of the display. May be 0 to disable the feature.
+ nsecs_t virtualKeyQuietTime;
+
+ // The excluded device names for the platform.
+ // Devices with these names will be ignored.
+ Vector<String8> excludedDeviceNames;
+
+ // Velocity control parameters for mouse pointer movements.
+ VelocityControlParameters pointerVelocityControlParameters;
+
+ // Velocity control parameters for mouse wheel movements.
+ VelocityControlParameters wheelVelocityControlParameters;
+
+ // True if pointer gestures are enabled.
+ bool pointerGesturesEnabled;
+
+ // Quiet time between certain pointer gesture transitions.
+ // Time to allow for all fingers or buttons to settle into a stable state before
+ // starting a new gesture.
+ nsecs_t pointerGestureQuietInterval;
+
+ // The minimum speed that a pointer must travel for us to consider switching the active
+ // touch pointer to it during a drag. This threshold is set to avoid switching due
+ // to noise from a finger resting on the touch pad (perhaps just pressing it down).
+ float pointerGestureDragMinSwitchSpeed; // in pixels per second
+
+ // Tap gesture delay time.
+ // The time between down and up must be less than this to be considered a tap.
+ nsecs_t pointerGestureTapInterval;
+
+ // Tap drag gesture delay time.
+ // The time between the previous tap's up and the next down must be less than
+ // this to be considered a drag. Otherwise, the previous tap is finished and a
+ // new tap begins.
+ //
+ // Note that the previous tap will be held down for this entire duration so this
+ // interval must be shorter than the long press timeout.
+ nsecs_t pointerGestureTapDragInterval;
+
+ // The distance in pixels that the pointer is allowed to move from initial down
+ // to up and still be called a tap.
+ float pointerGestureTapSlop; // in pixels
+
+ // Time after the first touch points go down to settle on an initial centroid.
+ // This is intended to be enough time to handle cases where the user puts down two
+ // fingers at almost but not quite exactly the same time.
+ nsecs_t pointerGestureMultitouchSettleInterval;
+
+ // The transition from PRESS to SWIPE or FREEFORM gesture mode is made when
+ // at least two pointers have moved at least this far from their starting place.
+ float pointerGestureMultitouchMinDistance; // in pixels
+
+ // The transition from PRESS to SWIPE gesture mode can only occur when the
+ // cosine of the angle between the two vectors is greater than or equal to than this value
+ // which indicates that the vectors are oriented in the same direction.
+ // When the vectors are oriented in the exactly same direction, the cosine is 1.0.
+ // (In exactly opposite directions, the cosine is -1.0.)
+ float pointerGestureSwipeTransitionAngleCosine;
+
+ // The transition from PRESS to SWIPE gesture mode can only occur when the
+ // fingers are no more than this far apart relative to the diagonal size of
+ // the touch pad. For example, a ratio of 0.5 means that the fingers must be
+ // no more than half the diagonal size of the touch pad apart.
+ float pointerGestureSwipeMaxWidthRatio;
+
+ // The gesture movement speed factor relative to the size of the display.
+ // Movement speed applies when the fingers are moving in the same direction.
+ // Without acceleration, a full swipe of the touch pad diagonal in movement mode
+ // will cover this portion of the display diagonal.
+ float pointerGestureMovementSpeedRatio;
+
+ // The gesture zoom speed factor relative to the size of the display.
+ // Zoom speed applies when the fingers are mostly moving relative to each other
+ // to execute a scale gesture or similar.
+ // Without acceleration, a full swipe of the touch pad diagonal in zoom mode
+ // will cover this portion of the display diagonal.
+ float pointerGestureZoomSpeedRatio;
+
+ // True to show the location of touches on the touch screen as spots.
+ bool showTouches;
+
+ InputReaderConfiguration() :
+ virtualKeyQuietTime(0),
+ pointerVelocityControlParameters(1.0f, 500.0f, 3000.0f, 3.0f),
+ wheelVelocityControlParameters(1.0f, 15.0f, 50.0f, 4.0f),
+ pointerGesturesEnabled(true),
+ pointerGestureQuietInterval(100 * 1000000LL), // 100 ms
+ pointerGestureDragMinSwitchSpeed(50), // 50 pixels per second
+ pointerGestureTapInterval(150 * 1000000LL), // 150 ms
+ pointerGestureTapDragInterval(150 * 1000000LL), // 150 ms
+ pointerGestureTapSlop(10.0f), // 10 pixels
+ pointerGestureMultitouchSettleInterval(100 * 1000000LL), // 100 ms
+ pointerGestureMultitouchMinDistance(15), // 15 pixels
+ pointerGestureSwipeTransitionAngleCosine(0.2588f), // cosine of 75 degrees
+ pointerGestureSwipeMaxWidthRatio(0.25f),
+ pointerGestureMovementSpeedRatio(0.8f),
+ pointerGestureZoomSpeedRatio(0.3f),
+ showTouches(false) { }
+
+ bool getDisplayInfo(bool external, DisplayViewport* outViewport) const;
+ void setDisplayInfo(bool external, const DisplayViewport& viewport);
+
+private:
+ DisplayViewport mInternalDisplay;
+ DisplayViewport mExternalDisplay;
+};
+
+
+/*
+ * Input reader policy interface.
+ *
+ * The input reader policy is used by the input reader to interact with the Window Manager
+ * and other system components.
+ *
+ * The actual implementation is partially supported by callbacks into the DVM
+ * via JNI. This interface is also mocked in the unit tests.
+ *
+ * These methods must NOT re-enter the input reader since they may be called while
+ * holding the input reader lock.
+ */
+class InputReaderPolicyInterface : public virtual RefBase {
+protected:
+ InputReaderPolicyInterface() { }
+ virtual ~InputReaderPolicyInterface() { }
+
+public:
+ /* Gets the input reader configuration. */
+ virtual void getReaderConfiguration(InputReaderConfiguration* outConfig) = 0;
+
+ /* Gets a pointer controller associated with the specified cursor device (ie. a mouse). */
+ virtual sp<PointerControllerInterface> obtainPointerController(int32_t deviceId) = 0;
+
+ /* Notifies the input reader policy that some input devices have changed
+ * and provides information about all current input devices.
+ */
+ virtual void notifyInputDevicesChanged(const Vector<InputDeviceInfo>& inputDevices) = 0;
+
+ /* Gets the keyboard layout for a particular input device. */
+ virtual sp<KeyCharacterMap> getKeyboardLayoutOverlay(
+ const InputDeviceIdentifier& identifier) = 0;
+
+ /* Gets a user-supplied alias for a particular input device, or an empty string if none. */
+ virtual String8 getDeviceAlias(const InputDeviceIdentifier& identifier) = 0;
+};
+
+
+/* Processes raw input events and sends cooked event data to an input listener. */
+class InputReaderInterface : public virtual RefBase {
+protected:
+ InputReaderInterface() { }
+ virtual ~InputReaderInterface() { }
+
+public:
+ /* Dumps the state of the input reader.
+ *
+ * This method may be called on any thread (usually by the input manager). */
+ virtual void dump(String8& dump) = 0;
+
+ /* Called by the heatbeat to ensures that the reader has not deadlocked. */
+ virtual void monitor() = 0;
+
+ /* Runs a single iteration of the processing loop.
+ * Nominally reads and processes one incoming message from the EventHub.
+ *
+ * This method should be called on the input reader thread.
+ */
+ virtual void loopOnce() = 0;
+
+ /* Gets information about all input devices.
+ *
+ * This method may be called on any thread (usually by the input manager).
+ */
+ virtual void getInputDevices(Vector<InputDeviceInfo>& outInputDevices) = 0;
+
+ /* Query current input state. */
+ virtual int32_t getScanCodeState(int32_t deviceId, uint32_t sourceMask,
+ int32_t scanCode) = 0;
+ virtual int32_t getKeyCodeState(int32_t deviceId, uint32_t sourceMask,
+ int32_t keyCode) = 0;
+ virtual int32_t getSwitchState(int32_t deviceId, uint32_t sourceMask,
+ int32_t sw) = 0;
+
+ /* Determine whether physical keys exist for the given framework-domain key codes. */
+ virtual bool hasKeys(int32_t deviceId, uint32_t sourceMask,
+ size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) = 0;
+
+ /* Requests that a reconfiguration of all input devices.
+ * The changes flag is a bitfield that indicates what has changed and whether
+ * the input devices must all be reopened. */
+ virtual void requestRefreshConfiguration(uint32_t changes) = 0;
+
+ /* Controls the vibrator of a particular input device. */
+ virtual void vibrate(int32_t deviceId, const nsecs_t* pattern, size_t patternSize,
+ ssize_t repeat, int32_t token) = 0;
+ virtual void cancelVibrate(int32_t deviceId, int32_t token) = 0;
+};
+
+
+/* Internal interface used by individual input devices to access global input device state
+ * and parameters maintained by the input reader.
+ */
+class InputReaderContext {
+public:
+ InputReaderContext() { }
+ virtual ~InputReaderContext() { }
+
+ virtual void updateGlobalMetaState() = 0;
+ virtual int32_t getGlobalMetaState() = 0;
+
+ virtual void disableVirtualKeysUntil(nsecs_t time) = 0;
+ virtual bool shouldDropVirtualKey(nsecs_t now,
+ InputDevice* device, int32_t keyCode, int32_t scanCode) = 0;
+
+ virtual void fadePointer() = 0;
+
+ virtual void requestTimeoutAtTime(nsecs_t when) = 0;
+ virtual int32_t bumpGeneration() = 0;
+
+ virtual InputReaderPolicyInterface* getPolicy() = 0;
+ virtual InputListenerInterface* getListener() = 0;
+ virtual EventHubInterface* getEventHub() = 0;
+};
+
+
+/* The input reader reads raw event data from the event hub and processes it into input events
+ * that it sends to the input listener. Some functions of the input reader, such as early
+ * event filtering in low power states, are controlled by a separate policy object.
+ *
+ * The InputReader owns a collection of InputMappers. Most of the work it does happens
+ * on the input reader thread but the InputReader can receive queries from other system
+ * components running on arbitrary threads. To keep things manageable, the InputReader
+ * uses a single Mutex to guard its state. The Mutex may be held while calling into the
+ * EventHub or the InputReaderPolicy but it is never held while calling into the
+ * InputListener.
+ */
+class InputReader : public InputReaderInterface {
+public:
+ InputReader(const sp<EventHubInterface>& eventHub,
+ const sp<InputReaderPolicyInterface>& policy,
+ const sp<InputListenerInterface>& listener);
+ virtual ~InputReader();
+
+ virtual void dump(String8& dump);
+ virtual void monitor();
+
+ virtual void loopOnce();
+
+ virtual void getInputDevices(Vector<InputDeviceInfo>& outInputDevices);
+
+ virtual int32_t getScanCodeState(int32_t deviceId, uint32_t sourceMask,
+ int32_t scanCode);
+ virtual int32_t getKeyCodeState(int32_t deviceId, uint32_t sourceMask,
+ int32_t keyCode);
+ virtual int32_t getSwitchState(int32_t deviceId, uint32_t sourceMask,
+ int32_t sw);
+
+ virtual bool hasKeys(int32_t deviceId, uint32_t sourceMask,
+ size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags);
+
+ virtual void requestRefreshConfiguration(uint32_t changes);
+
+ virtual void vibrate(int32_t deviceId, const nsecs_t* pattern, size_t patternSize,
+ ssize_t repeat, int32_t token);
+ virtual void cancelVibrate(int32_t deviceId, int32_t token);
+
+protected:
+ // These members are protected so they can be instrumented by test cases.
+ virtual InputDevice* createDeviceLocked(int32_t deviceId, int32_t controllerNumber,
+ const InputDeviceIdentifier& identifier, uint32_t classes);
+
+ class ContextImpl : public InputReaderContext {
+ InputReader* mReader;
+
+ public:
+ ContextImpl(InputReader* reader);
+
+ virtual void updateGlobalMetaState();
+ virtual int32_t getGlobalMetaState();
+ virtual void disableVirtualKeysUntil(nsecs_t time);
+ virtual bool shouldDropVirtualKey(nsecs_t now,
+ InputDevice* device, int32_t keyCode, int32_t scanCode);
+ virtual void fadePointer();
+ virtual void requestTimeoutAtTime(nsecs_t when);
+ virtual int32_t bumpGeneration();
+ virtual InputReaderPolicyInterface* getPolicy();
+ virtual InputListenerInterface* getListener();
+ virtual EventHubInterface* getEventHub();
+ } mContext;
+
+ friend class ContextImpl;
+
+private:
+ Mutex mLock;
+
+ Condition mReaderIsAliveCondition;
+
+ sp<EventHubInterface> mEventHub;
+ sp<InputReaderPolicyInterface> mPolicy;
+ sp<QueuedInputListener> mQueuedListener;
+
+ InputReaderConfiguration mConfig;
+
+ // The event queue.
+ static const int EVENT_BUFFER_SIZE = 256;
+ RawEvent mEventBuffer[EVENT_BUFFER_SIZE];
+
+ KeyedVector<int32_t, InputDevice*> mDevices;
+
+ // low-level input event decoding and device management
+ void processEventsLocked(const RawEvent* rawEvents, size_t count);
+
+ void addDeviceLocked(nsecs_t when, int32_t deviceId);
+ void removeDeviceLocked(nsecs_t when, int32_t deviceId);
+ void processEventsForDeviceLocked(int32_t deviceId, const RawEvent* rawEvents, size_t count);
+ void timeoutExpiredLocked(nsecs_t when);
+
+ void handleConfigurationChangedLocked(nsecs_t when);
+
+ int32_t mGlobalMetaState;
+ void updateGlobalMetaStateLocked();
+ int32_t getGlobalMetaStateLocked();
+
+ void fadePointerLocked();
+
+ int32_t mGeneration;
+ int32_t bumpGenerationLocked();
+
+ void getInputDevicesLocked(Vector<InputDeviceInfo>& outInputDevices);
+
+ nsecs_t mDisableVirtualKeysTimeout;
+ void disableVirtualKeysUntilLocked(nsecs_t time);
+ bool shouldDropVirtualKeyLocked(nsecs_t now,
+ InputDevice* device, int32_t keyCode, int32_t scanCode);
+
+ nsecs_t mNextTimeout;
+ void requestTimeoutAtTimeLocked(nsecs_t when);
+
+ uint32_t mConfigurationChangesToRefresh;
+ void refreshConfigurationLocked(uint32_t changes);
+
+ // state queries
+ typedef int32_t (InputDevice::*GetStateFunc)(uint32_t sourceMask, int32_t code);
+ int32_t getStateLocked(int32_t deviceId, uint32_t sourceMask, int32_t code,
+ GetStateFunc getStateFunc);
+ bool markSupportedKeyCodesLocked(int32_t deviceId, uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags);
+};
+
+
+/* Reads raw events from the event hub and processes them, endlessly. */
+class InputReaderThread : public Thread {
+public:
+ InputReaderThread(const sp<InputReaderInterface>& reader);
+ virtual ~InputReaderThread();
+
+private:
+ sp<InputReaderInterface> mReader;
+
+ virtual bool threadLoop();
+};
+
+
+/* Represents the state of a single input device. */
+class InputDevice {
+public:
+ InputDevice(InputReaderContext* context, int32_t id, int32_t generation, int32_t
+ controllerNumber, const InputDeviceIdentifier& identifier, uint32_t classes);
+ ~InputDevice();
+
+ inline InputReaderContext* getContext() { return mContext; }
+ inline int32_t getId() const { return mId; }
+ inline int32_t getControllerNumber() const { return mControllerNumber; }
+ inline int32_t getGeneration() const { return mGeneration; }
+ inline const String8& getName() const { return mIdentifier.name; }
+ inline uint32_t getClasses() const { return mClasses; }
+ inline uint32_t getSources() const { return mSources; }
+
+ inline bool isExternal() { return mIsExternal; }
+ inline void setExternal(bool external) { mIsExternal = external; }
+
+ inline bool isIgnored() { return mMappers.isEmpty(); }
+
+ void dump(String8& dump);
+ void addMapper(InputMapper* mapper);
+ void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
+ void reset(nsecs_t when);
+ void process(const RawEvent* rawEvents, size_t count);
+ void timeoutExpired(nsecs_t when);
+
+ void getDeviceInfo(InputDeviceInfo* outDeviceInfo);
+ int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
+ int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
+ int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
+ bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags);
+ void vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat, int32_t token);
+ void cancelVibrate(int32_t token);
+
+ int32_t getMetaState();
+
+ void fadePointer();
+
+ void bumpGeneration();
+
+ void notifyReset(nsecs_t when);
+
+ inline const PropertyMap& getConfiguration() { return mConfiguration; }
+ inline EventHubInterface* getEventHub() { return mContext->getEventHub(); }
+
+ bool hasKey(int32_t code) {
+ return getEventHub()->hasScanCode(mId, code);
+ }
+
+ bool hasAbsoluteAxis(int32_t code) {
+ RawAbsoluteAxisInfo info;
+ getEventHub()->getAbsoluteAxisInfo(mId, code, &info);
+ return info.valid;
+ }
+
+ bool isKeyPressed(int32_t code) {
+ return getEventHub()->getScanCodeState(mId, code) == AKEY_STATE_DOWN;
+ }
+
+ int32_t getAbsoluteAxisValue(int32_t code) {
+ int32_t value;
+ getEventHub()->getAbsoluteAxisValue(mId, code, &value);
+ return value;
+ }
+
+private:
+ InputReaderContext* mContext;
+ int32_t mId;
+ int32_t mGeneration;
+ int32_t mControllerNumber;
+ InputDeviceIdentifier mIdentifier;
+ String8 mAlias;
+ uint32_t mClasses;
+
+ Vector<InputMapper*> mMappers;
+
+ uint32_t mSources;
+ bool mIsExternal;
+ bool mDropUntilNextSync;
+
+ typedef int32_t (InputMapper::*GetStateFunc)(uint32_t sourceMask, int32_t code);
+ int32_t getState(uint32_t sourceMask, int32_t code, GetStateFunc getStateFunc);
+
+ PropertyMap mConfiguration;
+};
+
+
+/* Keeps track of the state of mouse or touch pad buttons. */
+class CursorButtonAccumulator {
+public:
+ CursorButtonAccumulator();
+ void reset(InputDevice* device);
+
+ void process(const RawEvent* rawEvent);
+
+ uint32_t getButtonState() const;
+
+private:
+ bool mBtnLeft;
+ bool mBtnRight;
+ bool mBtnMiddle;
+ bool mBtnBack;
+ bool mBtnSide;
+ bool mBtnForward;
+ bool mBtnExtra;
+ bool mBtnTask;
+
+ void clearButtons();
+};
+
+
+/* Keeps track of cursor movements. */
+
+class CursorMotionAccumulator {
+public:
+ CursorMotionAccumulator();
+ void reset(InputDevice* device);
+
+ void process(const RawEvent* rawEvent);
+ void finishSync();
+
+ inline int32_t getRelativeX() const { return mRelX; }
+ inline int32_t getRelativeY() const { return mRelY; }
+
+private:
+ int32_t mRelX;
+ int32_t mRelY;
+
+ void clearRelativeAxes();
+};
+
+
+/* Keeps track of cursor scrolling motions. */
+
+class CursorScrollAccumulator {
+public:
+ CursorScrollAccumulator();
+ void configure(InputDevice* device);
+ void reset(InputDevice* device);
+
+ void process(const RawEvent* rawEvent);
+ void finishSync();
+
+ inline bool haveRelativeVWheel() const { return mHaveRelWheel; }
+ inline bool haveRelativeHWheel() const { return mHaveRelHWheel; }
+
+ inline int32_t getRelativeX() const { return mRelX; }
+ inline int32_t getRelativeY() const { return mRelY; }
+ inline int32_t getRelativeVWheel() const { return mRelWheel; }
+ inline int32_t getRelativeHWheel() const { return mRelHWheel; }
+
+private:
+ bool mHaveRelWheel;
+ bool mHaveRelHWheel;
+
+ int32_t mRelX;
+ int32_t mRelY;
+ int32_t mRelWheel;
+ int32_t mRelHWheel;
+
+ void clearRelativeAxes();
+};
+
+
+/* Keeps track of the state of touch, stylus and tool buttons. */
+class TouchButtonAccumulator {
+public:
+ TouchButtonAccumulator();
+ void configure(InputDevice* device);
+ void reset(InputDevice* device);
+
+ void process(const RawEvent* rawEvent);
+
+ uint32_t getButtonState() const;
+ int32_t getToolType() const;
+ bool isToolActive() const;
+ bool isHovering() const;
+ bool hasStylus() const;
+
+private:
+ bool mHaveBtnTouch;
+ bool mHaveStylus;
+
+ bool mBtnTouch;
+ bool mBtnStylus;
+ bool mBtnStylus2;
+ bool mBtnToolFinger;
+ bool mBtnToolPen;
+ bool mBtnToolRubber;
+ bool mBtnToolBrush;
+ bool mBtnToolPencil;
+ bool mBtnToolAirbrush;
+ bool mBtnToolMouse;
+ bool mBtnToolLens;
+ bool mBtnToolDoubleTap;
+ bool mBtnToolTripleTap;
+ bool mBtnToolQuadTap;
+
+ void clearButtons();
+};
+
+
+/* Raw axis information from the driver. */
+struct RawPointerAxes {
+ RawAbsoluteAxisInfo x;
+ RawAbsoluteAxisInfo y;
+ RawAbsoluteAxisInfo pressure;
+ RawAbsoluteAxisInfo touchMajor;
+ RawAbsoluteAxisInfo touchMinor;
+ RawAbsoluteAxisInfo toolMajor;
+ RawAbsoluteAxisInfo toolMinor;
+ RawAbsoluteAxisInfo orientation;
+ RawAbsoluteAxisInfo distance;
+ RawAbsoluteAxisInfo tiltX;
+ RawAbsoluteAxisInfo tiltY;
+ RawAbsoluteAxisInfo trackingId;
+ RawAbsoluteAxisInfo slot;
+
+ RawPointerAxes();
+ void clear();
+};
+
+
+/* Raw data for a collection of pointers including a pointer id mapping table. */
+struct RawPointerData {
+ struct Pointer {
+ uint32_t id;
+ int32_t x;
+ int32_t y;
+ int32_t pressure;
+ int32_t touchMajor;
+ int32_t touchMinor;
+ int32_t toolMajor;
+ int32_t toolMinor;
+ int32_t orientation;
+ int32_t distance;
+ int32_t tiltX;
+ int32_t tiltY;
+ int32_t toolType; // a fully decoded AMOTION_EVENT_TOOL_TYPE constant
+ bool isHovering;
+ };
+
+ uint32_t pointerCount;
+ Pointer pointers[MAX_POINTERS];
+ BitSet32 hoveringIdBits, touchingIdBits;
+ uint32_t idToIndex[MAX_POINTER_ID + 1];
+
+ RawPointerData();
+ void clear();
+ void copyFrom(const RawPointerData& other);
+ void getCentroidOfTouchingPointers(float* outX, float* outY) const;
+
+ inline void markIdBit(uint32_t id, bool isHovering) {
+ if (isHovering) {
+ hoveringIdBits.markBit(id);
+ } else {
+ touchingIdBits.markBit(id);
+ }
+ }
+
+ inline void clearIdBits() {
+ hoveringIdBits.clear();
+ touchingIdBits.clear();
+ }
+
+ inline const Pointer& pointerForId(uint32_t id) const {
+ return pointers[idToIndex[id]];
+ }
+
+ inline bool isHovering(uint32_t pointerIndex) {
+ return pointers[pointerIndex].isHovering;
+ }
+};
+
+
+/* Cooked data for a collection of pointers including a pointer id mapping table. */
+struct CookedPointerData {
+ uint32_t pointerCount;
+ PointerProperties pointerProperties[MAX_POINTERS];
+ PointerCoords pointerCoords[MAX_POINTERS];
+ BitSet32 hoveringIdBits, touchingIdBits;
+ uint32_t idToIndex[MAX_POINTER_ID + 1];
+
+ CookedPointerData();
+ void clear();
+ void copyFrom(const CookedPointerData& other);
+
+ inline const PointerCoords& pointerCoordsForId(uint32_t id) const {
+ return pointerCoords[idToIndex[id]];
+ }
+
+ inline bool isHovering(uint32_t pointerIndex) {
+ return hoveringIdBits.hasBit(pointerProperties[pointerIndex].id);
+ }
+};
+
+
+/* Keeps track of the state of single-touch protocol. */
+class SingleTouchMotionAccumulator {
+public:
+ SingleTouchMotionAccumulator();
+
+ void process(const RawEvent* rawEvent);
+ void reset(InputDevice* device);
+
+ inline int32_t getAbsoluteX() const { return mAbsX; }
+ inline int32_t getAbsoluteY() const { return mAbsY; }
+ inline int32_t getAbsolutePressure() const { return mAbsPressure; }
+ inline int32_t getAbsoluteToolWidth() const { return mAbsToolWidth; }
+ inline int32_t getAbsoluteDistance() const { return mAbsDistance; }
+ inline int32_t getAbsoluteTiltX() const { return mAbsTiltX; }
+ inline int32_t getAbsoluteTiltY() const { return mAbsTiltY; }
+
+private:
+ int32_t mAbsX;
+ int32_t mAbsY;
+ int32_t mAbsPressure;
+ int32_t mAbsToolWidth;
+ int32_t mAbsDistance;
+ int32_t mAbsTiltX;
+ int32_t mAbsTiltY;
+
+ void clearAbsoluteAxes();
+};
+
+
+/* Keeps track of the state of multi-touch protocol. */
+class MultiTouchMotionAccumulator {
+public:
+ class Slot {
+ public:
+ inline bool isInUse() const { return mInUse; }
+ inline int32_t getX() const { return mAbsMTPositionX; }
+ inline int32_t getY() const { return mAbsMTPositionY; }
+ inline int32_t getTouchMajor() const { return mAbsMTTouchMajor; }
+ inline int32_t getTouchMinor() const {
+ return mHaveAbsMTTouchMinor ? mAbsMTTouchMinor : mAbsMTTouchMajor; }
+ inline int32_t getToolMajor() const { return mAbsMTWidthMajor; }
+ inline int32_t getToolMinor() const {
+ return mHaveAbsMTWidthMinor ? mAbsMTWidthMinor : mAbsMTWidthMajor; }
+ inline int32_t getOrientation() const { return mAbsMTOrientation; }
+ inline int32_t getTrackingId() const { return mAbsMTTrackingId; }
+ inline int32_t getPressure() const { return mAbsMTPressure; }
+ inline int32_t getDistance() const { return mAbsMTDistance; }
+ inline int32_t getToolType() const;
+
+ private:
+ friend class MultiTouchMotionAccumulator;
+
+ bool mInUse;
+ bool mHaveAbsMTTouchMinor;
+ bool mHaveAbsMTWidthMinor;
+ bool mHaveAbsMTToolType;
+
+ int32_t mAbsMTPositionX;
+ int32_t mAbsMTPositionY;
+ int32_t mAbsMTTouchMajor;
+ int32_t mAbsMTTouchMinor;
+ int32_t mAbsMTWidthMajor;
+ int32_t mAbsMTWidthMinor;
+ int32_t mAbsMTOrientation;
+ int32_t mAbsMTTrackingId;
+ int32_t mAbsMTPressure;
+ int32_t mAbsMTDistance;
+ int32_t mAbsMTToolType;
+
+ Slot();
+ void clear();
+ };
+
+ MultiTouchMotionAccumulator();
+ ~MultiTouchMotionAccumulator();
+
+ void configure(InputDevice* device, size_t slotCount, bool usingSlotsProtocol);
+ void reset(InputDevice* device);
+ void process(const RawEvent* rawEvent);
+ void finishSync();
+ bool hasStylus() const;
+
+ inline size_t getSlotCount() const { return mSlotCount; }
+ inline const Slot* getSlot(size_t index) const { return &mSlots[index]; }
+
+private:
+ int32_t mCurrentSlot;
+ Slot* mSlots;
+ size_t mSlotCount;
+ bool mUsingSlotsProtocol;
+ bool mHaveStylus;
+
+ void clearSlots(int32_t initialSlot);
+};
+
+
+/* An input mapper transforms raw input events into cooked event data.
+ * A single input device can have multiple associated input mappers in order to interpret
+ * different classes of events.
+ *
+ * InputMapper lifecycle:
+ * - create
+ * - configure with 0 changes
+ * - reset
+ * - process, process, process (may occasionally reconfigure with non-zero changes or reset)
+ * - reset
+ * - destroy
+ */
+class InputMapper {
+public:
+ InputMapper(InputDevice* device);
+ virtual ~InputMapper();
+
+ inline InputDevice* getDevice() { return mDevice; }
+ inline int32_t getDeviceId() { return mDevice->getId(); }
+ inline const String8 getDeviceName() { return mDevice->getName(); }
+ inline InputReaderContext* getContext() { return mContext; }
+ inline InputReaderPolicyInterface* getPolicy() { return mContext->getPolicy(); }
+ inline InputListenerInterface* getListener() { return mContext->getListener(); }
+ inline EventHubInterface* getEventHub() { return mContext->getEventHub(); }
+
+ virtual uint32_t getSources() = 0;
+ virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
+ virtual void dump(String8& dump);
+ virtual void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
+ virtual void reset(nsecs_t when);
+ virtual void process(const RawEvent* rawEvent) = 0;
+ virtual void timeoutExpired(nsecs_t when);
+
+ virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
+ virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
+ virtual int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
+ virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags);
+ virtual void vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat,
+ int32_t token);
+ virtual void cancelVibrate(int32_t token);
+
+ virtual int32_t getMetaState();
+
+ virtual void fadePointer();
+
+protected:
+ InputDevice* mDevice;
+ InputReaderContext* mContext;
+
+ status_t getAbsoluteAxisInfo(int32_t axis, RawAbsoluteAxisInfo* axisInfo);
+ void bumpGeneration();
+
+ static void dumpRawAbsoluteAxisInfo(String8& dump,
+ const RawAbsoluteAxisInfo& axis, const char* name);
+};
+
+
+class SwitchInputMapper : public InputMapper {
+public:
+ SwitchInputMapper(InputDevice* device);
+ virtual ~SwitchInputMapper();
+
+ virtual uint32_t getSources();
+ virtual void process(const RawEvent* rawEvent);
+
+ virtual int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
+
+private:
+ uint32_t mUpdatedSwitchValues;
+ uint32_t mUpdatedSwitchMask;
+
+ void processSwitch(int32_t switchCode, int32_t switchValue);
+ void sync(nsecs_t when);
+};
+
+
+class VibratorInputMapper : public InputMapper {
+public:
+ VibratorInputMapper(InputDevice* device);
+ virtual ~VibratorInputMapper();
+
+ virtual uint32_t getSources();
+ virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
+ virtual void process(const RawEvent* rawEvent);
+
+ virtual void vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat,
+ int32_t token);
+ virtual void cancelVibrate(int32_t token);
+ virtual void timeoutExpired(nsecs_t when);
+ virtual void dump(String8& dump);
+
+private:
+ bool mVibrating;
+ nsecs_t mPattern[MAX_VIBRATE_PATTERN_SIZE];
+ size_t mPatternSize;
+ ssize_t mRepeat;
+ int32_t mToken;
+ ssize_t mIndex;
+ nsecs_t mNextStepTime;
+
+ void nextStep();
+ void stopVibrating();
+};
+
+
+class KeyboardInputMapper : public InputMapper {
+public:
+ KeyboardInputMapper(InputDevice* device, uint32_t source, int32_t keyboardType);
+ virtual ~KeyboardInputMapper();
+
+ virtual uint32_t getSources();
+ virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
+ virtual void dump(String8& dump);
+ virtual void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
+ virtual void reset(nsecs_t when);
+ virtual void process(const RawEvent* rawEvent);
+
+ virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
+ virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
+ virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags);
+
+ virtual int32_t getMetaState();
+
+private:
+ struct KeyDown {
+ int32_t keyCode;
+ int32_t scanCode;
+ };
+
+ uint32_t mSource;
+ int32_t mKeyboardType;
+
+ int32_t mOrientation; // orientation for dpad keys
+
+ Vector<KeyDown> mKeyDowns; // keys that are down
+ int32_t mMetaState;
+ nsecs_t mDownTime; // time of most recent key down
+
+ int32_t mCurrentHidUsage; // most recent HID usage seen this packet, or 0 if none
+
+ struct LedState {
+ bool avail; // led is available
+ bool on; // we think the led is currently on
+ };
+ LedState mCapsLockLedState;
+ LedState mNumLockLedState;
+ LedState mScrollLockLedState;
+
+ // Immutable configuration parameters.
+ struct Parameters {
+ bool hasAssociatedDisplay;
+ bool orientationAware;
+ } mParameters;
+
+ void configureParameters();
+ void dumpParameters(String8& dump);
+
+ bool isKeyboardOrGamepadKey(int32_t scanCode);
+
+ void processKey(nsecs_t when, bool down, int32_t keyCode, int32_t scanCode,
+ uint32_t policyFlags);
+
+ ssize_t findKeyDown(int32_t scanCode);
+
+ void resetLedState();
+ void initializeLedState(LedState& ledState, int32_t led);
+ void updateLedState(bool reset);
+ void updateLedStateForModifier(LedState& ledState, int32_t led,
+ int32_t modifier, bool reset);
+};
+
+
+class CursorInputMapper : public InputMapper {
+public:
+ CursorInputMapper(InputDevice* device);
+ virtual ~CursorInputMapper();
+
+ virtual uint32_t getSources();
+ virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
+ virtual void dump(String8& dump);
+ virtual void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
+ virtual void reset(nsecs_t when);
+ virtual void process(const RawEvent* rawEvent);
+
+ virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
+
+ virtual void fadePointer();
+
+private:
+ // Amount that trackball needs to move in order to generate a key event.
+ static const int32_t TRACKBALL_MOVEMENT_THRESHOLD = 6;
+
+ // Immutable configuration parameters.
+ struct Parameters {
+ enum Mode {
+ MODE_POINTER,
+ MODE_NAVIGATION,
+ };
+
+ Mode mode;
+ bool hasAssociatedDisplay;
+ bool orientationAware;
+ } mParameters;
+
+ CursorButtonAccumulator mCursorButtonAccumulator;
+ CursorMotionAccumulator mCursorMotionAccumulator;
+ CursorScrollAccumulator mCursorScrollAccumulator;
+
+ int32_t mSource;
+ float mXScale;
+ float mYScale;
+ float mXPrecision;
+ float mYPrecision;
+
+ float mVWheelScale;
+ float mHWheelScale;
+
+ // Velocity controls for mouse pointer and wheel movements.
+ // The controls for X and Y wheel movements are separate to keep them decoupled.
+ VelocityControl mPointerVelocityControl;
+ VelocityControl mWheelXVelocityControl;
+ VelocityControl mWheelYVelocityControl;
+
+ int32_t mOrientation;
+
+ sp<PointerControllerInterface> mPointerController;
+
+ int32_t mButtonState;
+ nsecs_t mDownTime;
+
+ void configureParameters();
+ void dumpParameters(String8& dump);
+
+ void sync(nsecs_t when);
+};
+
+
+class TouchInputMapper : public InputMapper {
+public:
+ TouchInputMapper(InputDevice* device);
+ virtual ~TouchInputMapper();
+
+ virtual uint32_t getSources();
+ virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
+ virtual void dump(String8& dump);
+ virtual void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
+ virtual void reset(nsecs_t when);
+ virtual void process(const RawEvent* rawEvent);
+
+ virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
+ virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
+ virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags);
+
+ virtual void fadePointer();
+ virtual void timeoutExpired(nsecs_t when);
+
+protected:
+ CursorButtonAccumulator mCursorButtonAccumulator;
+ CursorScrollAccumulator mCursorScrollAccumulator;
+ TouchButtonAccumulator mTouchButtonAccumulator;
+
+ struct VirtualKey {
+ int32_t keyCode;
+ int32_t scanCode;
+ uint32_t flags;
+
+ // computed hit box, specified in touch screen coords based on known display size
+ int32_t hitLeft;
+ int32_t hitTop;
+ int32_t hitRight;
+ int32_t hitBottom;
+
+ inline bool isHit(int32_t x, int32_t y) const {
+ return x >= hitLeft && x <= hitRight && y >= hitTop && y <= hitBottom;
+ }
+ };
+
+ // Input sources and device mode.
+ uint32_t mSource;
+
+ enum DeviceMode {
+ DEVICE_MODE_DISABLED, // input is disabled
+ DEVICE_MODE_DIRECT, // direct mapping (touchscreen)
+ DEVICE_MODE_UNSCALED, // unscaled mapping (touchpad)
+ DEVICE_MODE_NAVIGATION, // unscaled mapping with assist gesture (touch navigation)
+ DEVICE_MODE_POINTER, // pointer mapping (pointer)
+ };
+ DeviceMode mDeviceMode;
+
+ // The reader's configuration.
+ InputReaderConfiguration mConfig;
+
+ // Immutable configuration parameters.
+ struct Parameters {
+ enum DeviceType {
+ DEVICE_TYPE_TOUCH_SCREEN,
+ DEVICE_TYPE_TOUCH_PAD,
+ DEVICE_TYPE_TOUCH_NAVIGATION,
+ DEVICE_TYPE_POINTER,
+ };
+
+ DeviceType deviceType;
+ bool hasAssociatedDisplay;
+ bool associatedDisplayIsExternal;
+ bool orientationAware;
+ bool hasButtonUnderPad;
+
+ enum GestureMode {
+ GESTURE_MODE_POINTER,
+ GESTURE_MODE_SPOTS,
+ };
+ GestureMode gestureMode;
+ } mParameters;
+
+ // Immutable calibration parameters in parsed form.
+ struct Calibration {
+ // Size
+ enum SizeCalibration {
+ SIZE_CALIBRATION_DEFAULT,
+ SIZE_CALIBRATION_NONE,
+ SIZE_CALIBRATION_GEOMETRIC,
+ SIZE_CALIBRATION_DIAMETER,
+ SIZE_CALIBRATION_BOX,
+ SIZE_CALIBRATION_AREA,
+ };
+
+ SizeCalibration sizeCalibration;
+
+ bool haveSizeScale;
+ float sizeScale;
+ bool haveSizeBias;
+ float sizeBias;
+ bool haveSizeIsSummed;
+ bool sizeIsSummed;
+
+ // Pressure
+ enum PressureCalibration {
+ PRESSURE_CALIBRATION_DEFAULT,
+ PRESSURE_CALIBRATION_NONE,
+ PRESSURE_CALIBRATION_PHYSICAL,
+ PRESSURE_CALIBRATION_AMPLITUDE,
+ };
+
+ PressureCalibration pressureCalibration;
+ bool havePressureScale;
+ float pressureScale;
+
+ // Orientation
+ enum OrientationCalibration {
+ ORIENTATION_CALIBRATION_DEFAULT,
+ ORIENTATION_CALIBRATION_NONE,
+ ORIENTATION_CALIBRATION_INTERPOLATED,
+ ORIENTATION_CALIBRATION_VECTOR,
+ };
+
+ OrientationCalibration orientationCalibration;
+
+ // Distance
+ enum DistanceCalibration {
+ DISTANCE_CALIBRATION_DEFAULT,
+ DISTANCE_CALIBRATION_NONE,
+ DISTANCE_CALIBRATION_SCALED,
+ };
+
+ DistanceCalibration distanceCalibration;
+ bool haveDistanceScale;
+ float distanceScale;
+
+ enum CoverageCalibration {
+ COVERAGE_CALIBRATION_DEFAULT,
+ COVERAGE_CALIBRATION_NONE,
+ COVERAGE_CALIBRATION_BOX,
+ };
+
+ CoverageCalibration coverageCalibration;
+
+ inline void applySizeScaleAndBias(float* outSize) const {
+ if (haveSizeScale) {
+ *outSize *= sizeScale;
+ }
+ if (haveSizeBias) {
+ *outSize += sizeBias;
+ }
+ if (*outSize < 0) {
+ *outSize = 0;
+ }
+ }
+ } mCalibration;
+
+ // Raw pointer axis information from the driver.
+ RawPointerAxes mRawPointerAxes;
+
+ // Raw pointer sample data.
+ RawPointerData mCurrentRawPointerData;
+ RawPointerData mLastRawPointerData;
+
+ // Cooked pointer sample data.
+ CookedPointerData mCurrentCookedPointerData;
+ CookedPointerData mLastCookedPointerData;
+
+ // Button state.
+ int32_t mCurrentButtonState;
+ int32_t mLastButtonState;
+
+ // Scroll state.
+ int32_t mCurrentRawVScroll;
+ int32_t mCurrentRawHScroll;
+
+ // Id bits used to differentiate fingers, stylus and mouse tools.
+ BitSet32 mCurrentFingerIdBits; // finger or unknown
+ BitSet32 mLastFingerIdBits;
+ BitSet32 mCurrentStylusIdBits; // stylus or eraser
+ BitSet32 mLastStylusIdBits;
+ BitSet32 mCurrentMouseIdBits; // mouse or lens
+ BitSet32 mLastMouseIdBits;
+
+ // True if we sent a HOVER_ENTER event.
+ bool mSentHoverEnter;
+
+ // The time the primary pointer last went down.
+ nsecs_t mDownTime;
+
+ // The pointer controller, or null if the device is not a pointer.
+ sp<PointerControllerInterface> mPointerController;
+
+ Vector<VirtualKey> mVirtualKeys;
+
+ virtual void configureParameters();
+ virtual void dumpParameters(String8& dump);
+ virtual void configureRawPointerAxes();
+ virtual void dumpRawPointerAxes(String8& dump);
+ virtual void configureSurface(nsecs_t when, bool* outResetNeeded);
+ virtual void dumpSurface(String8& dump);
+ virtual void configureVirtualKeys();
+ virtual void dumpVirtualKeys(String8& dump);
+ virtual void parseCalibration();
+ virtual void resolveCalibration();
+ virtual void dumpCalibration(String8& dump);
+ virtual bool hasStylus() const = 0;
+
+ virtual void syncTouch(nsecs_t when, bool* outHavePointerIds) = 0;
+
+private:
+ // The current viewport.
+ // The components of the viewport are specified in the display's rotated orientation.
+ DisplayViewport mViewport;
+
+ // The surface orientation, width and height set by configureSurface().
+ // The width and height are derived from the viewport but are specified
+ // in the natural orientation.
+ // The surface origin specifies how the surface coordinates should be translated
+ // to align with the logical display coordinate space.
+ // The orientation may be different from the viewport orientation as it specifies
+ // the rotation of the surface coordinates required to produce the viewport's
+ // requested orientation, so it will depend on whether the device is orientation aware.
+ int32_t mSurfaceWidth;
+ int32_t mSurfaceHeight;
+ int32_t mSurfaceLeft;
+ int32_t mSurfaceTop;
+ int32_t mSurfaceOrientation;
+
+ // Translation and scaling factors, orientation-independent.
+ float mXTranslate;
+ float mXScale;
+ float mXPrecision;
+
+ float mYTranslate;
+ float mYScale;
+ float mYPrecision;
+
+ float mGeometricScale;
+
+ float mPressureScale;
+
+ float mSizeScale;
+
+ float mOrientationScale;
+
+ float mDistanceScale;
+
+ bool mHaveTilt;
+ float mTiltXCenter;
+ float mTiltXScale;
+ float mTiltYCenter;
+ float mTiltYScale;
+
+ // Oriented motion ranges for input device info.
+ struct OrientedRanges {
+ InputDeviceInfo::MotionRange x;
+ InputDeviceInfo::MotionRange y;
+ InputDeviceInfo::MotionRange pressure;
+
+ bool haveSize;
+ InputDeviceInfo::MotionRange size;
+
+ bool haveTouchSize;
+ InputDeviceInfo::MotionRange touchMajor;
+ InputDeviceInfo::MotionRange touchMinor;
+
+ bool haveToolSize;
+ InputDeviceInfo::MotionRange toolMajor;
+ InputDeviceInfo::MotionRange toolMinor;
+
+ bool haveOrientation;
+ InputDeviceInfo::MotionRange orientation;
+
+ bool haveDistance;
+ InputDeviceInfo::MotionRange distance;
+
+ bool haveTilt;
+ InputDeviceInfo::MotionRange tilt;
+
+ OrientedRanges() {
+ clear();
+ }
+
+ void clear() {
+ haveSize = false;
+ haveTouchSize = false;
+ haveToolSize = false;
+ haveOrientation = false;
+ haveDistance = false;
+ haveTilt = false;
+ }
+ } mOrientedRanges;
+
+ // Oriented dimensions and precision.
+ float mOrientedXPrecision;
+ float mOrientedYPrecision;
+
+ struct CurrentVirtualKeyState {
+ bool down;
+ bool ignored;
+ nsecs_t downTime;
+ int32_t keyCode;
+ int32_t scanCode;
+ } mCurrentVirtualKey;
+
+ // Scale factor for gesture or mouse based pointer movements.
+ float mPointerXMovementScale;
+ float mPointerYMovementScale;
+
+ // Scale factor for gesture based zooming and other freeform motions.
+ float mPointerXZoomScale;
+ float mPointerYZoomScale;
+
+ // The maximum swipe width.
+ float mPointerGestureMaxSwipeWidth;
+
+ struct PointerDistanceHeapElement {
+ uint32_t currentPointerIndex : 8;
+ uint32_t lastPointerIndex : 8;
+ uint64_t distance : 48; // squared distance
+ };
+
+ enum PointerUsage {
+ POINTER_USAGE_NONE,
+ POINTER_USAGE_GESTURES,
+ POINTER_USAGE_STYLUS,
+ POINTER_USAGE_MOUSE,
+ };
+ PointerUsage mPointerUsage;
+
+ struct PointerGesture {
+ enum Mode {
+ // No fingers, button is not pressed.
+ // Nothing happening.
+ NEUTRAL,
+
+ // No fingers, button is not pressed.
+ // Tap detected.
+ // Emits DOWN and UP events at the pointer location.
+ TAP,
+
+ // Exactly one finger dragging following a tap.
+ // Pointer follows the active finger.
+ // Emits DOWN, MOVE and UP events at the pointer location.
+ //
+ // Detect double-taps when the finger goes up while in TAP_DRAG mode.
+ TAP_DRAG,
+
+ // Button is pressed.
+ // Pointer follows the active finger if there is one. Other fingers are ignored.
+ // Emits DOWN, MOVE and UP events at the pointer location.
+ BUTTON_CLICK_OR_DRAG,
+
+ // Exactly one finger, button is not pressed.
+ // Pointer follows the active finger.
+ // Emits HOVER_MOVE events at the pointer location.
+ //
+ // Detect taps when the finger goes up while in HOVER mode.
+ HOVER,
+
+ // Exactly two fingers but neither have moved enough to clearly indicate
+ // whether a swipe or freeform gesture was intended. We consider the
+ // pointer to be pressed so this enables clicking or long-pressing on buttons.
+ // Pointer does not move.
+ // Emits DOWN, MOVE and UP events with a single stationary pointer coordinate.
+ PRESS,
+
+ // Exactly two fingers moving in the same direction, button is not pressed.
+ // Pointer does not move.
+ // Emits DOWN, MOVE and UP events with a single pointer coordinate that
+ // follows the midpoint between both fingers.
+ SWIPE,
+
+ // Two or more fingers moving in arbitrary directions, button is not pressed.
+ // Pointer does not move.
+ // Emits DOWN, POINTER_DOWN, MOVE, POINTER_UP and UP events that follow
+ // each finger individually relative to the initial centroid of the finger.
+ FREEFORM,
+
+ // Waiting for quiet time to end before starting the next gesture.
+ QUIET,
+ };
+
+ // Time the first finger went down.
+ nsecs_t firstTouchTime;
+
+ // The active pointer id from the raw touch data.
+ int32_t activeTouchId; // -1 if none
+
+ // The active pointer id from the gesture last delivered to the application.
+ int32_t activeGestureId; // -1 if none
+
+ // Pointer coords and ids for the current and previous pointer gesture.
+ Mode currentGestureMode;
+ BitSet32 currentGestureIdBits;
+ uint32_t currentGestureIdToIndex[MAX_POINTER_ID + 1];
+ PointerProperties currentGestureProperties[MAX_POINTERS];
+ PointerCoords currentGestureCoords[MAX_POINTERS];
+
+ Mode lastGestureMode;
+ BitSet32 lastGestureIdBits;
+ uint32_t lastGestureIdToIndex[MAX_POINTER_ID + 1];
+ PointerProperties lastGestureProperties[MAX_POINTERS];
+ PointerCoords lastGestureCoords[MAX_POINTERS];
+
+ // Time the pointer gesture last went down.
+ nsecs_t downTime;
+
+ // Time when the pointer went down for a TAP.
+ nsecs_t tapDownTime;
+
+ // Time when the pointer went up for a TAP.
+ nsecs_t tapUpTime;
+
+ // Location of initial tap.
+ float tapX, tapY;
+
+ // Time we started waiting for quiescence.
+ nsecs_t quietTime;
+
+ // Reference points for multitouch gestures.
+ float referenceTouchX; // reference touch X/Y coordinates in surface units
+ float referenceTouchY;
+ float referenceGestureX; // reference gesture X/Y coordinates in pixels
+ float referenceGestureY;
+
+ // Distance that each pointer has traveled which has not yet been
+ // subsumed into the reference gesture position.
+ BitSet32 referenceIdBits;
+ struct Delta {
+ float dx, dy;
+ };
+ Delta referenceDeltas[MAX_POINTER_ID + 1];
+
+ // Describes how touch ids are mapped to gesture ids for freeform gestures.
+ uint32_t freeformTouchToGestureIdMap[MAX_POINTER_ID + 1];
+
+ // A velocity tracker for determining whether to switch active pointers during drags.
+ VelocityTracker velocityTracker;
+
+ void reset() {
+ firstTouchTime = LLONG_MIN;
+ activeTouchId = -1;
+ activeGestureId = -1;
+ currentGestureMode = NEUTRAL;
+ currentGestureIdBits.clear();
+ lastGestureMode = NEUTRAL;
+ lastGestureIdBits.clear();
+ downTime = 0;
+ velocityTracker.clear();
+ resetTap();
+ resetQuietTime();
+ }
+
+ void resetTap() {
+ tapDownTime = LLONG_MIN;
+ tapUpTime = LLONG_MIN;
+ }
+
+ void resetQuietTime() {
+ quietTime = LLONG_MIN;
+ }
+ } mPointerGesture;
+
+ struct PointerSimple {
+ PointerCoords currentCoords;
+ PointerProperties currentProperties;
+ PointerCoords lastCoords;
+ PointerProperties lastProperties;
+
+ // True if the pointer is down.
+ bool down;
+
+ // True if the pointer is hovering.
+ bool hovering;
+
+ // Time the pointer last went down.
+ nsecs_t downTime;
+
+ void reset() {
+ currentCoords.clear();
+ currentProperties.clear();
+ lastCoords.clear();
+ lastProperties.clear();
+ down = false;
+ hovering = false;
+ downTime = 0;
+ }
+ } mPointerSimple;
+
+ // The pointer and scroll velocity controls.
+ VelocityControl mPointerVelocityControl;
+ VelocityControl mWheelXVelocityControl;
+ VelocityControl mWheelYVelocityControl;
+
+ void sync(nsecs_t when);
+
+ bool consumeRawTouches(nsecs_t when, uint32_t policyFlags);
+ void dispatchVirtualKey(nsecs_t when, uint32_t policyFlags,
+ int32_t keyEventAction, int32_t keyEventFlags);
+
+ void dispatchTouches(nsecs_t when, uint32_t policyFlags);
+ void dispatchHoverExit(nsecs_t when, uint32_t policyFlags);
+ void dispatchHoverEnterAndMove(nsecs_t when, uint32_t policyFlags);
+ void cookPointerData();
+
+ void dispatchPointerUsage(nsecs_t when, uint32_t policyFlags, PointerUsage pointerUsage);
+ void abortPointerUsage(nsecs_t when, uint32_t policyFlags);
+
+ void dispatchPointerGestures(nsecs_t when, uint32_t policyFlags, bool isTimeout);
+ void abortPointerGestures(nsecs_t when, uint32_t policyFlags);
+ bool preparePointerGestures(nsecs_t when,
+ bool* outCancelPreviousGesture, bool* outFinishPreviousGesture,
+ bool isTimeout);
+
+ void dispatchPointerStylus(nsecs_t when, uint32_t policyFlags);
+ void abortPointerStylus(nsecs_t when, uint32_t policyFlags);
+
+ void dispatchPointerMouse(nsecs_t when, uint32_t policyFlags);
+ void abortPointerMouse(nsecs_t when, uint32_t policyFlags);
+
+ void dispatchPointerSimple(nsecs_t when, uint32_t policyFlags,
+ bool down, bool hovering);
+ void abortPointerSimple(nsecs_t when, uint32_t policyFlags);
+
+ // Dispatches a motion event.
+ // If the changedId is >= 0 and the action is POINTER_DOWN or POINTER_UP, the
+ // method will take care of setting the index and transmuting the action to DOWN or UP
+ // it is the first / last pointer to go down / up.
+ void dispatchMotion(nsecs_t when, uint32_t policyFlags, uint32_t source,
+ int32_t action, int32_t flags, int32_t metaState, int32_t buttonState,
+ int32_t edgeFlags,
+ const PointerProperties* properties, const PointerCoords* coords,
+ const uint32_t* idToIndex, BitSet32 idBits,
+ int32_t changedId, float xPrecision, float yPrecision, nsecs_t downTime);
+
+ // Updates pointer coords and properties for pointers with specified ids that have moved.
+ // Returns true if any of them changed.
+ bool updateMovedPointers(const PointerProperties* inProperties,
+ const PointerCoords* inCoords, const uint32_t* inIdToIndex,
+ PointerProperties* outProperties, PointerCoords* outCoords,
+ const uint32_t* outIdToIndex, BitSet32 idBits) const;
+
+ bool isPointInsideSurface(int32_t x, int32_t y);
+ const VirtualKey* findVirtualKeyHit(int32_t x, int32_t y);
+
+ void assignPointerIds();
+};
+
+
+class SingleTouchInputMapper : public TouchInputMapper {
+public:
+ SingleTouchInputMapper(InputDevice* device);
+ virtual ~SingleTouchInputMapper();
+
+ virtual void reset(nsecs_t when);
+ virtual void process(const RawEvent* rawEvent);
+
+protected:
+ virtual void syncTouch(nsecs_t when, bool* outHavePointerIds);
+ virtual void configureRawPointerAxes();
+ virtual bool hasStylus() const;
+
+private:
+ SingleTouchMotionAccumulator mSingleTouchMotionAccumulator;
+};
+
+
+class MultiTouchInputMapper : public TouchInputMapper {
+public:
+ MultiTouchInputMapper(InputDevice* device);
+ virtual ~MultiTouchInputMapper();
+
+ virtual void reset(nsecs_t when);
+ virtual void process(const RawEvent* rawEvent);
+
+protected:
+ virtual void syncTouch(nsecs_t when, bool* outHavePointerIds);
+ virtual void configureRawPointerAxes();
+ virtual bool hasStylus() const;
+
+private:
+ MultiTouchMotionAccumulator mMultiTouchMotionAccumulator;
+
+ // Specifies the pointer id bits that are in use, and their associated tracking id.
+ BitSet32 mPointerIdBits;
+ int32_t mPointerTrackingIdMap[MAX_POINTER_ID + 1];
+};
+
+
+class JoystickInputMapper : public InputMapper {
+public:
+ JoystickInputMapper(InputDevice* device);
+ virtual ~JoystickInputMapper();
+
+ virtual uint32_t getSources();
+ virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
+ virtual void dump(String8& dump);
+ virtual void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
+ virtual void reset(nsecs_t when);
+ virtual void process(const RawEvent* rawEvent);
+
+private:
+ struct Axis {
+ RawAbsoluteAxisInfo rawAxisInfo;
+ AxisInfo axisInfo;
+
+ bool explicitlyMapped; // true if the axis was explicitly assigned an axis id
+
+ float scale; // scale factor from raw to normalized values
+ float offset; // offset to add after scaling for normalization
+ float highScale; // scale factor from raw to normalized values of high split
+ float highOffset; // offset to add after scaling for normalization of high split
+
+ float min; // normalized inclusive minimum
+ float max; // normalized inclusive maximum
+ float flat; // normalized flat region size
+ float fuzz; // normalized error tolerance
+ float resolution; // normalized resolution in units/mm
+
+ float filter; // filter out small variations of this size
+ float currentValue; // current value
+ float newValue; // most recent value
+ float highCurrentValue; // current value of high split
+ float highNewValue; // most recent value of high split
+
+ void initialize(const RawAbsoluteAxisInfo& rawAxisInfo, const AxisInfo& axisInfo,
+ bool explicitlyMapped, float scale, float offset,
+ float highScale, float highOffset,
+ float min, float max, float flat, float fuzz, float resolution) {
+ this->rawAxisInfo = rawAxisInfo;
+ this->axisInfo = axisInfo;
+ this->explicitlyMapped = explicitlyMapped;
+ this->scale = scale;
+ this->offset = offset;
+ this->highScale = highScale;
+ this->highOffset = highOffset;
+ this->min = min;
+ this->max = max;
+ this->flat = flat;
+ this->fuzz = fuzz;
+ this->resolution = resolution;
+ this->filter = 0;
+ resetValue();
+ }
+
+ void resetValue() {
+ this->currentValue = 0;
+ this->newValue = 0;
+ this->highCurrentValue = 0;
+ this->highNewValue = 0;
+ }
+ };
+
+ // Axes indexed by raw ABS_* axis index.
+ KeyedVector<int32_t, Axis> mAxes;
+
+ void sync(nsecs_t when, bool force);
+
+ bool haveAxis(int32_t axisId);
+ void pruneAxes(bool ignoreExplicitlyMappedAxes);
+ bool filterAxes(bool force);
+
+ static bool hasValueChangedSignificantly(float filter,
+ float newValue, float currentValue, float min, float max);
+ static bool hasMovedNearerToValueWithinFilteredRange(float filter,
+ float newValue, float currentValue, float thresholdValue);
+
+ static bool isCenteredAxis(int32_t axis);
+ static int32_t getCompatAxis(int32_t axis);
+
+ static void addMotionRange(int32_t axisId, const Axis& axis, InputDeviceInfo* info);
+ static void setPointerCoordsAxisValue(PointerCoords* pointerCoords, int32_t axis,
+ float value);
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_READER_H
diff --git a/libs/input/InputWindow.cpp b/libs/input/InputWindow.cpp
new file mode 100644
index 0000000..da59159
--- /dev/null
+++ b/libs/input/InputWindow.cpp
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "InputWindow"
+#define LOG_NDEBUG 0
+
+#include "InputWindow.h"
+
+#include <cutils/log.h>
+
+#include <ui/Rect.h>
+#include <ui/Region.h>
+
+namespace android {
+
+// --- InputWindowInfo ---
+void InputWindowInfo::addTouchableRegion(const Rect& region) {
+ touchableRegion.orSelf(region);
+}
+
+bool InputWindowInfo::touchableRegionContainsPoint(int32_t x, int32_t y) const {
+ return touchableRegion.contains(x,y);
+}
+
+bool InputWindowInfo::frameContainsPoint(int32_t x, int32_t y) const {
+ return x >= frameLeft && x <= frameRight
+ && y >= frameTop && y <= frameBottom;
+}
+
+bool InputWindowInfo::isTrustedOverlay() const {
+ return layoutParamsType == TYPE_INPUT_METHOD
+ || layoutParamsType == TYPE_INPUT_METHOD_DIALOG
+ || layoutParamsType == TYPE_SECURE_SYSTEM_OVERLAY;
+}
+
+bool InputWindowInfo::supportsSplitTouch() const {
+ return layoutParamsFlags & FLAG_SPLIT_TOUCH;
+}
+
+
+// --- InputWindowHandle ---
+
+InputWindowHandle::InputWindowHandle(const sp<InputApplicationHandle>& inputApplicationHandle) :
+ inputApplicationHandle(inputApplicationHandle), mInfo(NULL) {
+}
+
+InputWindowHandle::~InputWindowHandle() {
+ delete mInfo;
+}
+
+void InputWindowHandle::releaseInfo() {
+ if (mInfo) {
+ delete mInfo;
+ mInfo = NULL;
+ }
+}
+
+} // namespace android
diff --git a/libs/input/InputWindow.h b/libs/input/InputWindow.h
new file mode 100644
index 0000000..9618ffe
--- /dev/null
+++ b/libs/input/InputWindow.h
@@ -0,0 +1,209 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_WINDOW_H
+#define _UI_INPUT_WINDOW_H
+
+#include <input/Input.h>
+#include <input/InputTransport.h>
+#include <ui/Rect.h>
+#include <ui/Region.h>
+#include <utils/RefBase.h>
+#include <utils/Timers.h>
+#include <utils/String8.h>
+
+#include "InputApplication.h"
+
+namespace android {
+
+
+/*
+ * Describes the properties of a window that can receive input.
+ */
+struct InputWindowInfo {
+ // Window flags from WindowManager.LayoutParams
+ enum {
+ FLAG_ALLOW_LOCK_WHILE_SCREEN_ON = 0x00000001,
+ FLAG_DIM_BEHIND = 0x00000002,
+ FLAG_BLUR_BEHIND = 0x00000004,
+ FLAG_NOT_FOCUSABLE = 0x00000008,
+ FLAG_NOT_TOUCHABLE = 0x00000010,
+ FLAG_NOT_TOUCH_MODAL = 0x00000020,
+ FLAG_TOUCHABLE_WHEN_WAKING = 0x00000040,
+ FLAG_KEEP_SCREEN_ON = 0x00000080,
+ FLAG_LAYOUT_IN_SCREEN = 0x00000100,
+ FLAG_LAYOUT_NO_LIMITS = 0x00000200,
+ FLAG_FULLSCREEN = 0x00000400,
+ FLAG_FORCE_NOT_FULLSCREEN = 0x00000800,
+ FLAG_DITHER = 0x00001000,
+ FLAG_SECURE = 0x00002000,
+ FLAG_SCALED = 0x00004000,
+ FLAG_IGNORE_CHEEK_PRESSES = 0x00008000,
+ FLAG_LAYOUT_INSET_DECOR = 0x00010000,
+ FLAG_ALT_FOCUSABLE_IM = 0x00020000,
+ FLAG_WATCH_OUTSIDE_TOUCH = 0x00040000,
+ FLAG_SHOW_WHEN_LOCKED = 0x00080000,
+ FLAG_SHOW_WALLPAPER = 0x00100000,
+ FLAG_TURN_SCREEN_ON = 0x00200000,
+ FLAG_DISMISS_KEYGUARD = 0x00400000,
+ FLAG_SPLIT_TOUCH = 0x00800000,
+ FLAG_SLIPPERY = 0x20000000,
+ FLAG_NEEDS_MENU_KEY = 0x40000000,
+ };
+
+ // Private Window flags from WindowManager.LayoutParams
+ enum {
+ PRIVATE_FLAG_SYSTEM_ERROR = 0x00000100,
+ };
+
+ // Window types from WindowManager.LayoutParams
+ enum {
+ FIRST_APPLICATION_WINDOW = 1,
+ TYPE_BASE_APPLICATION = 1,
+ TYPE_APPLICATION = 2,
+ TYPE_APPLICATION_STARTING = 3,
+ LAST_APPLICATION_WINDOW = 99,
+ FIRST_SUB_WINDOW = 1000,
+ TYPE_APPLICATION_PANEL = FIRST_SUB_WINDOW,
+ TYPE_APPLICATION_MEDIA = FIRST_SUB_WINDOW+1,
+ TYPE_APPLICATION_SUB_PANEL = FIRST_SUB_WINDOW+2,
+ TYPE_APPLICATION_ATTACHED_DIALOG = FIRST_SUB_WINDOW+3,
+ TYPE_APPLICATION_MEDIA_OVERLAY = FIRST_SUB_WINDOW+4,
+ LAST_SUB_WINDOW = 1999,
+ FIRST_SYSTEM_WINDOW = 2000,
+ TYPE_STATUS_BAR = FIRST_SYSTEM_WINDOW,
+ TYPE_SEARCH_BAR = FIRST_SYSTEM_WINDOW+1,
+ TYPE_PHONE = FIRST_SYSTEM_WINDOW+2,
+ TYPE_SYSTEM_ALERT = FIRST_SYSTEM_WINDOW+3,
+ TYPE_KEYGUARD = FIRST_SYSTEM_WINDOW+4,
+ TYPE_TOAST = FIRST_SYSTEM_WINDOW+5,
+ TYPE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+6,
+ TYPE_PRIORITY_PHONE = FIRST_SYSTEM_WINDOW+7,
+ TYPE_SYSTEM_DIALOG = FIRST_SYSTEM_WINDOW+8,
+ TYPE_KEYGUARD_DIALOG = FIRST_SYSTEM_WINDOW+9,
+ TYPE_SYSTEM_ERROR = FIRST_SYSTEM_WINDOW+10,
+ TYPE_INPUT_METHOD = FIRST_SYSTEM_WINDOW+11,
+ TYPE_INPUT_METHOD_DIALOG= FIRST_SYSTEM_WINDOW+12,
+ TYPE_WALLPAPER = FIRST_SYSTEM_WINDOW+13,
+ TYPE_STATUS_BAR_PANEL = FIRST_SYSTEM_WINDOW+14,
+ TYPE_SECURE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+15,
+ TYPE_DRAG = FIRST_SYSTEM_WINDOW+16,
+ TYPE_STATUS_BAR_SUB_PANEL = FIRST_SYSTEM_WINDOW+17,
+ TYPE_POINTER = FIRST_SYSTEM_WINDOW+18,
+ TYPE_NAVIGATION_BAR = FIRST_SYSTEM_WINDOW+19,
+ TYPE_VOLUME_OVERLAY = FIRST_SYSTEM_WINDOW+20,
+ TYPE_BOOT_PROGRESS = FIRST_SYSTEM_WINDOW+21,
+ LAST_SYSTEM_WINDOW = 2999,
+ };
+
+ enum {
+ INPUT_FEATURE_DISABLE_TOUCH_PAD_GESTURES = 0x00000001,
+ INPUT_FEATURE_NO_INPUT_CHANNEL = 0x00000002,
+ INPUT_FEATURE_DISABLE_USER_ACTIVITY = 0x00000004,
+ };
+
+ sp<InputChannel> inputChannel;
+ String8 name;
+ int32_t layoutParamsFlags;
+ int32_t layoutParamsPrivateFlags;
+ int32_t layoutParamsType;
+ nsecs_t dispatchingTimeout;
+ int32_t frameLeft;
+ int32_t frameTop;
+ int32_t frameRight;
+ int32_t frameBottom;
+ float scaleFactor;
+ Region touchableRegion;
+ bool visible;
+ bool canReceiveKeys;
+ bool hasFocus;
+ bool hasWallpaper;
+ bool paused;
+ int32_t layer;
+ int32_t ownerPid;
+ int32_t ownerUid;
+ int32_t inputFeatures;
+ int32_t displayId;
+
+ void addTouchableRegion(const Rect& region);
+
+ bool touchableRegionContainsPoint(int32_t x, int32_t y) const;
+ bool frameContainsPoint(int32_t x, int32_t y) const;
+
+ /* Returns true if the window is of a trusted type that is allowed to silently
+ * overlay other windows for the purpose of implementing the secure views feature.
+ * Trusted overlays, such as IME windows, can partly obscure other windows without causing
+ * motion events to be delivered to them with AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED.
+ */
+ bool isTrustedOverlay() const;
+
+ bool supportsSplitTouch() const;
+};
+
+
+/*
+ * Handle for a window that can receive input.
+ *
+ * Used by the native input dispatcher to indirectly refer to the window manager objects
+ * that describe a window.
+ */
+class InputWindowHandle : public RefBase {
+public:
+ const sp<InputApplicationHandle> inputApplicationHandle;
+
+ inline const InputWindowInfo* getInfo() const {
+ return mInfo;
+ }
+
+ inline sp<InputChannel> getInputChannel() const {
+ return mInfo ? mInfo->inputChannel : NULL;
+ }
+
+ inline String8 getName() const {
+ return mInfo ? mInfo->name : String8("<invalid>");
+ }
+
+ inline nsecs_t getDispatchingTimeout(nsecs_t defaultValue) const {
+ return mInfo ? mInfo->dispatchingTimeout : defaultValue;
+ }
+
+ /**
+ * Requests that the state of this object be updated to reflect
+ * the most current available information about the application.
+ *
+ * This method should only be called from within the input dispatcher's
+ * critical section.
+ *
+ * Returns true on success, or false if the handle is no longer valid.
+ */
+ virtual bool updateInfo() = 0;
+
+ /**
+ * Releases the storage used by the associated information when it is
+ * no longer needed.
+ */
+ void releaseInfo();
+
+protected:
+ InputWindowHandle(const sp<InputApplicationHandle>& inputApplicationHandle);
+ virtual ~InputWindowHandle();
+
+ InputWindowInfo* mInfo;
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_WINDOW_H
diff --git a/libs/input/PointerController.h b/libs/input/PointerController.h
index b9e4ce7..790c0bb 100644
--- a/libs/input/PointerController.h
+++ b/libs/input/PointerController.h
@@ -21,7 +21,6 @@
#include <ui/DisplayInfo.h>
#include <input/Input.h>
-#include <inputflinger/PointerControllerInterface.h>
#include <utils/BitSet.h>
#include <utils/RefBase.h>
#include <utils/Looper.h>
@@ -31,6 +30,84 @@
namespace android {
+/**
+ * Interface for tracking a mouse / touch pad pointer and touch pad spots.
+ *
+ * The spots are sprites on screen that visually represent the positions of
+ * fingers
+ *
+ * The pointer controller is responsible for providing synchronization and for tracking
+ * display orientation changes if needed.
+ */
+class PointerControllerInterface : public virtual RefBase {
+protected:
+ PointerControllerInterface() { }
+ virtual ~PointerControllerInterface() { }
+
+public:
+ /* Gets the bounds of the region that the pointer can traverse.
+ * Returns true if the bounds are available. */
+ virtual bool getBounds(float* outMinX, float* outMinY,
+ float* outMaxX, float* outMaxY) const = 0;
+
+ /* Move the pointer. */
+ virtual void move(float deltaX, float deltaY) = 0;
+
+ /* Sets a mask that indicates which buttons are pressed. */
+ virtual void setButtonState(int32_t buttonState) = 0;
+
+ /* Gets a mask that indicates which buttons are pressed. */
+ virtual int32_t getButtonState() const = 0;
+
+ /* Sets the absolute location of the pointer. */
+ virtual void setPosition(float x, float y) = 0;
+
+ /* Gets the absolute location of the pointer. */
+ virtual void getPosition(float* outX, float* outY) const = 0;
+
+ enum Transition {
+ // Fade/unfade immediately.
+ TRANSITION_IMMEDIATE,
+ // Fade/unfade gradually.
+ TRANSITION_GRADUAL,
+ };
+
+ /* Fades the pointer out now. */
+ virtual void fade(Transition transition) = 0;
+
+ /* Makes the pointer visible if it has faded out.
+ * The pointer never unfades itself automatically. This method must be called
+ * by the client whenever the pointer is moved or a button is pressed and it
+ * wants to ensure that the pointer becomes visible again. */
+ virtual void unfade(Transition transition) = 0;
+
+ enum Presentation {
+ // Show the mouse pointer.
+ PRESENTATION_POINTER,
+ // Show spots and a spot anchor in place of the mouse pointer.
+ PRESENTATION_SPOT,
+ };
+
+ /* Sets the mode of the pointer controller. */
+ virtual void setPresentation(Presentation presentation) = 0;
+
+ /* Sets the spots for the current gesture.
+ * The spots are not subject to the inactivity timeout like the pointer
+ * itself it since they are expected to remain visible for so long as
+ * the fingers are on the touch pad.
+ *
+ * The values of the AMOTION_EVENT_AXIS_PRESSURE axis is significant.
+ * For spotCoords, pressure != 0 indicates that the spot's location is being
+ * pressed (not hovering).
+ */
+ virtual void setSpots(const PointerCoords* spotCoords, const uint32_t* spotIdToIndex,
+ BitSet32 spotIdBits) = 0;
+
+ /* Removes all spots. */
+ virtual void clearSpots() = 0;
+};
+
+
/*
* Pointer resources.
*/
diff --git a/media/jni/android_media_MediaMuxer.cpp b/media/jni/android_media_MediaMuxer.cpp
index ea890c2..3fef446f 100644
--- a/media/jni/android_media_MediaMuxer.cpp
+++ b/media/jni/android_media_MediaMuxer.cpp
@@ -132,7 +132,7 @@
}
// Constructor counterpart.
-static jint android_media_MediaMuxer_native_setup(
+static jlong android_media_MediaMuxer_native_setup(
JNIEnv *env, jclass clazz, jobject fileDescriptor,
jint format) {
int fd = jniGetFDFromFileDescriptor(env, fileDescriptor);
@@ -142,7 +142,7 @@
static_cast<MediaMuxer::OutputFormat>(format);
sp<MediaMuxer> muxer = new MediaMuxer(fd, fileFormat);
muxer->incStrong(clazz);
- return int(muxer.get());
+ return reinterpret_cast<jlong>(muxer.get());
}
static void android_media_MediaMuxer_setOrientationHint(
diff --git a/opengl/java/com/google/android/gles_jni/EGLConfigImpl.java b/opengl/java/com/google/android/gles_jni/EGLConfigImpl.java
index c2f4400..1902a40 100644
--- a/opengl/java/com/google/android/gles_jni/EGLConfigImpl.java
+++ b/opengl/java/com/google/android/gles_jni/EGLConfigImpl.java
@@ -19,13 +19,13 @@
import javax.microedition.khronos.egl.*;
public class EGLConfigImpl extends EGLConfig {
- private int mEGLConfig;
+ private long mEGLConfig;
- EGLConfigImpl(int config) {
+ EGLConfigImpl(long config) {
mEGLConfig = config;
}
- int get() {
+ long get() {
return mEGLConfig;
}
}
diff --git a/opengl/java/com/google/android/gles_jni/EGLContextImpl.java b/opengl/java/com/google/android/gles_jni/EGLContextImpl.java
index cd36099..47369ac 100644
--- a/opengl/java/com/google/android/gles_jni/EGLContextImpl.java
+++ b/opengl/java/com/google/android/gles_jni/EGLContextImpl.java
@@ -21,13 +21,13 @@
public class EGLContextImpl extends EGLContext {
private GLImpl mGLContext;
- int mEGLContext;
-
- public EGLContextImpl(int ctx) {
+ long mEGLContext;
+
+ public EGLContextImpl(long ctx) {
mEGLContext = ctx;
mGLContext = new GLImpl();
}
-
+
@Override
public GL getGL() {
return mGLContext;
@@ -45,6 +45,12 @@
@Override
public int hashCode() {
- return mEGLContext;
+ /*
+ * Based on the algorithm suggested in
+ * http://developer.android.com/reference/java/lang/Object.html
+ */
+ int result = 17;
+ result = 31 * result + (int) (mEGLContext ^ (mEGLContext >>> 32));
+ return result;
}
}
diff --git a/opengl/java/com/google/android/gles_jni/EGLDisplayImpl.java b/opengl/java/com/google/android/gles_jni/EGLDisplayImpl.java
index e6c9817..9b932fc 100644
--- a/opengl/java/com/google/android/gles_jni/EGLDisplayImpl.java
+++ b/opengl/java/com/google/android/gles_jni/EGLDisplayImpl.java
@@ -19,9 +19,9 @@
import javax.microedition.khronos.egl.*;
public class EGLDisplayImpl extends EGLDisplay {
- int mEGLDisplay;
+ long mEGLDisplay;
- public EGLDisplayImpl(int dpy) {
+ public EGLDisplayImpl(long dpy) {
mEGLDisplay = dpy;
}
@@ -38,6 +38,12 @@
@Override
public int hashCode() {
- return mEGLDisplay;
+ /*
+ * Based on the algorithm suggested in
+ * http://developer.android.com/reference/java/lang/Object.html
+ */
+ int result = 17;
+ result = 31 * result + (int) (mEGLDisplay ^ (mEGLDisplay >>> 32));
+ return result;
}
}
diff --git a/opengl/java/com/google/android/gles_jni/EGLImpl.java b/opengl/java/com/google/android/gles_jni/EGLImpl.java
index 64a54c2..41fb072 100644
--- a/opengl/java/com/google/android/gles_jni/EGLImpl.java
+++ b/opengl/java/com/google/android/gles_jni/EGLImpl.java
@@ -51,7 +51,7 @@
public static native int getInitCount(EGLDisplay display);
public EGLContext eglCreateContext(EGLDisplay display, EGLConfig config, EGLContext share_context, int[] attrib_list) {
- int eglContextId = _eglCreateContext(display, config, share_context, attrib_list);
+ long eglContextId = _eglCreateContext(display, config, share_context, attrib_list);
if (eglContextId == 0) {
return EGL10.EGL_NO_CONTEXT;
}
@@ -59,7 +59,7 @@
}
public EGLSurface eglCreatePbufferSurface(EGLDisplay display, EGLConfig config, int[] attrib_list) {
- int eglSurfaceId = _eglCreatePbufferSurface(display, config, attrib_list);
+ long eglSurfaceId = _eglCreatePbufferSurface(display, config, attrib_list);
if (eglSurfaceId == 0) {
return EGL10.EGL_NO_SURFACE;
}
@@ -87,7 +87,7 @@
sur = (Surface) native_window;
}
- int eglSurfaceId;
+ long eglSurfaceId;
if (sur != null) {
eglSurfaceId = _eglCreateWindowSurface(display, config, sur, attrib_list);
} else if (native_window instanceof SurfaceTexture) {
@@ -106,7 +106,7 @@
}
public synchronized EGLDisplay eglGetDisplay(Object native_display) {
- int value = _eglGetDisplay(native_display);
+ long value = _eglGetDisplay(native_display);
if (value == 0) {
return EGL10.EGL_NO_DISPLAY;
}
@@ -116,7 +116,7 @@
}
public synchronized EGLContext eglGetCurrentContext() {
- int value = _eglGetCurrentContext();
+ long value = _eglGetCurrentContext();
if (value == 0) {
return EGL10.EGL_NO_CONTEXT;
}
@@ -126,7 +126,7 @@
}
public synchronized EGLDisplay eglGetCurrentDisplay() {
- int value = _eglGetCurrentDisplay();
+ long value = _eglGetCurrentDisplay();
if (value == 0) {
return EGL10.EGL_NO_DISPLAY;
}
@@ -136,7 +136,7 @@
}
public synchronized EGLSurface eglGetCurrentSurface(int readdraw) {
- int value = _eglGetCurrentSurface(readdraw);
+ long value = _eglGetCurrentSurface(readdraw);
if (value == 0) {
return EGL10.EGL_NO_SURFACE;
}
@@ -145,15 +145,15 @@
return mSurface;
}
- private native int _eglCreateContext(EGLDisplay display, EGLConfig config, EGLContext share_context, int[] attrib_list);
- private native int _eglCreatePbufferSurface(EGLDisplay display, EGLConfig config, int[] attrib_list);
+ private native long _eglCreateContext(EGLDisplay display, EGLConfig config, EGLContext share_context, int[] attrib_list);
+ private native long _eglCreatePbufferSurface(EGLDisplay display, EGLConfig config, int[] attrib_list);
private native void _eglCreatePixmapSurface(EGLSurface sur, EGLDisplay display, EGLConfig config, Object native_pixmap, int[] attrib_list);
- private native int _eglCreateWindowSurface(EGLDisplay display, EGLConfig config, Object native_window, int[] attrib_list);
- private native int _eglCreateWindowSurfaceTexture(EGLDisplay display, EGLConfig config, Object native_window, int[] attrib_list);
- private native int _eglGetDisplay(Object native_display);
- private native int _eglGetCurrentContext();
- private native int _eglGetCurrentDisplay();
- private native int _eglGetCurrentSurface(int readdraw);
+ private native long _eglCreateWindowSurface(EGLDisplay display, EGLConfig config, Object native_window, int[] attrib_list);
+ private native long _eglCreateWindowSurfaceTexture(EGLDisplay display, EGLConfig config, Object native_window, int[] attrib_list);
+ private native long _eglGetDisplay(Object native_display);
+ private native long _eglGetCurrentContext();
+ private native long _eglGetCurrentDisplay();
+ private native long _eglGetCurrentSurface(int readdraw);
native private static void _nativeClassInit();
static { _nativeClassInit(); }
diff --git a/opengl/java/com/google/android/gles_jni/EGLSurfaceImpl.java b/opengl/java/com/google/android/gles_jni/EGLSurfaceImpl.java
index e7f15dc..7a3ed24 100644
--- a/opengl/java/com/google/android/gles_jni/EGLSurfaceImpl.java
+++ b/opengl/java/com/google/android/gles_jni/EGLSurfaceImpl.java
@@ -19,13 +19,13 @@
import javax.microedition.khronos.egl.*;
public class EGLSurfaceImpl extends EGLSurface {
- int mEGLSurface;
- private int mNativePixelRef;
+ long mEGLSurface;
+ private long mNativePixelRef;
public EGLSurfaceImpl() {
mEGLSurface = 0;
mNativePixelRef = 0;
}
- public EGLSurfaceImpl(int surface) {
+ public EGLSurfaceImpl(long surface) {
mEGLSurface = surface;
mNativePixelRef = 0;
}
@@ -43,6 +43,12 @@
@Override
public int hashCode() {
- return mEGLSurface;
+ /*
+ * Based on the algorithm suggested in
+ * http://developer.android.com/reference/java/lang/Object.html
+ */
+ int result = 17;
+ result = 31 * result + (int) (mEGLSurface ^ (mEGLSurface >>> 32));
+ return result;
}
}
diff --git a/services/appwidget/java/com/android/server/appwidget/AppWidgetService.java b/services/appwidget/java/com/android/server/appwidget/AppWidgetService.java
index 3378e3d..e208677 100644
--- a/services/appwidget/java/com/android/server/appwidget/AppWidgetService.java
+++ b/services/appwidget/java/com/android/server/appwidget/AppWidgetService.java
@@ -53,13 +53,13 @@
static final String TAG = "AppWidgetService";
- Context mContext;
- Handler mSaveStateHandler;
+ final Context mContext;
+ final Handler mSaveStateHandler;
- SparseArray<AppWidgetServiceImpl> mAppWidgetServices;
+ final SparseArray<AppWidgetServiceImpl> mAppWidgetServices;
- @Override
- public void onCreate(Context context) {
+ public AppWidgetService(Context context) {
+ super(context);
mContext = context;
mSaveStateHandler = BackgroundThread.getHandler();
diff --git a/services/backup/java/com/android/server/backup/BackupManagerService.java b/services/backup/java/com/android/server/backup/BackupManagerService.java
index 1e7c18a..186ae1b 100644
--- a/services/backup/java/com/android/server/backup/BackupManagerService.java
+++ b/services/backup/java/com/android/server/backup/BackupManagerService.java
@@ -83,6 +83,7 @@
import com.android.internal.backup.IBackupTransport;
import com.android.internal.backup.IObbBackupService;
import com.android.server.EventLogTags;
+import com.android.server.SystemService;
import com.android.server.backup.PackageManagerBackupAgent.Metadata;
import java.io.BufferedInputStream;
@@ -277,6 +278,20 @@
// Watch the device provisioning operation during setup
ContentObserver mProvisionedObserver;
+ public static final class Lifecycle extends SystemService {
+ private final BackupManagerService mService;
+
+ public Lifecycle(Context context) {
+ super(context);
+ mService = new BackupManagerService(context);
+ }
+
+ @Override
+ public void onStart() {
+ publishBinderService(Context.BACKUP_SERVICE, mService);
+ }
+ }
+
class ProvisionedObserver extends ContentObserver {
public ProvisionedObserver(Handler handler) {
super(handler);
diff --git a/services/backup/java/com/android/server/backup/BackupManagerSystemService.java b/services/backup/java/com/android/server/backup/BackupManagerSystemService.java
deleted file mode 100644
index db2c94a..0000000
--- a/services/backup/java/com/android/server/backup/BackupManagerSystemService.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.server.backup;
-
-import android.content.Context;
-
-import com.android.server.SystemService;
-
-public class BackupManagerSystemService extends SystemService {
- private BackupManagerService mBackupManagerImpl;
-
- @Override
- public void onCreate(Context context) {
- mBackupManagerImpl = new BackupManagerService(context);
- }
-
- @Override
- public void onStart() {
- publishBinderService(Context.BACKUP_SERVICE, mBackupManagerImpl);
- }
-}
-
diff --git a/services/core/java/com/android/server/AlarmManagerService.java b/services/core/java/com/android/server/AlarmManagerService.java
index eb347bb..5d86b38 100644
--- a/services/core/java/com/android/server/AlarmManagerService.java
+++ b/services/core/java/com/android/server/AlarmManagerService.java
@@ -334,6 +334,10 @@
static final BatchTimeOrder sBatchOrder = new BatchTimeOrder();
final ArrayList<Batch> mAlarmBatches = new ArrayList<Batch>();
+ public AlarmManagerService(Context context) {
+ super(context);
+ }
+
static long convertToElapsed(long when, int type) {
final boolean isRtc = (type == RTC || type == RTC_WAKEUP);
if (isRtc) {
diff --git a/services/core/java/com/android/server/ConsumerIrService.java b/services/core/java/com/android/server/ConsumerIrService.java
index 066a9c4..ea6812d 100644
--- a/services/core/java/com/android/server/ConsumerIrService.java
+++ b/services/core/java/com/android/server/ConsumerIrService.java
@@ -29,13 +29,13 @@
private static final int MAX_XMIT_TIME = 2000000; /* in microseconds */
- private static native int halOpen();
- private static native int halTransmit(int halObject, int carrierFrequency, int[] pattern);
- private static native int[] halGetCarrierFrequencies(int halObject);
+ private static native long halOpen();
+ private static native int halTransmit(long halObject, int carrierFrequency, int[] pattern);
+ private static native int[] halGetCarrierFrequencies(long halObject);
private final Context mContext;
private final PowerManager.WakeLock mWakeLock;
- private final int mHal;
+ private final long mNativeHal;
private final Object mHalLock = new Object();
ConsumerIrService(Context context) {
@@ -45,23 +45,23 @@
mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
mWakeLock.setReferenceCounted(true);
- mHal = halOpen();
+ mNativeHal = halOpen();
if (mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CONSUMER_IR)) {
- if (mHal == 0) {
+ if (mNativeHal == 0) {
throw new RuntimeException("FEATURE_CONSUMER_IR present, but no IR HAL loaded!");
}
- } else if (mHal != 0) {
+ } else if (mNativeHal != 0) {
throw new RuntimeException("IR HAL present, but FEATURE_CONSUMER_IR is not set!");
}
}
@Override
public boolean hasIrEmitter() {
- return mHal != 0;
+ return mNativeHal != 0;
}
private void throwIfNoIrEmitter() {
- if (mHal == 0) {
+ if (mNativeHal == 0) {
throw new UnsupportedOperationException("IR emitter not available");
}
}
@@ -91,7 +91,7 @@
// Right now there is no mechanism to ensure fair queing of IR requests
synchronized (mHalLock) {
- int err = halTransmit(mHal, carrierFrequency, pattern);
+ int err = halTransmit(mNativeHal, carrierFrequency, pattern);
if (err < 0) {
Slog.e(TAG, "Error transmitting: " + err);
@@ -109,7 +109,7 @@
throwIfNoIrEmitter();
synchronized(mHalLock) {
- return halGetCarrierFrequencies(mHal);
+ return halGetCarrierFrequencies(mNativeHal);
}
}
}
diff --git a/services/core/java/com/android/server/UiModeManagerService.java b/services/core/java/com/android/server/UiModeManagerService.java
index de912dc..ad693d0 100644
--- a/services/core/java/com/android/server/UiModeManagerService.java
+++ b/services/core/java/com/android/server/UiModeManagerService.java
@@ -88,6 +88,10 @@
private PowerManager.WakeLock mWakeLock;
+ public UiModeManagerService(Context context) {
+ super(context);
+ }
+
private static Intent buildHomeIntent(String category) {
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(category);
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 8975d12..7b2fc50 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -1881,11 +1881,11 @@
}
}
- public static class Lifecycle extends SystemService {
- private ActivityManagerService mService;
+ public static final class Lifecycle extends SystemService {
+ private final ActivityManagerService mService;
- @Override
- public void onCreate(Context context) {
+ public Lifecycle(Context context) {
+ super(context);
mService = new ActivityManagerService(context);
}
@@ -7755,22 +7755,27 @@
*/
public void removeContentProvider(IBinder connection, boolean stable) {
enforceNotIsolatedCaller("removeContentProvider");
- synchronized (this) {
- ContentProviderConnection conn;
- try {
- conn = (ContentProviderConnection)connection;
- } catch (ClassCastException e) {
- String msg ="removeContentProvider: " + connection
- + " not a ContentProviderConnection";
- Slog.w(TAG, msg);
- throw new IllegalArgumentException(msg);
+ long ident = Binder.clearCallingIdentity();
+ try {
+ synchronized (this) {
+ ContentProviderConnection conn;
+ try {
+ conn = (ContentProviderConnection)connection;
+ } catch (ClassCastException e) {
+ String msg ="removeContentProvider: " + connection
+ + " not a ContentProviderConnection";
+ Slog.w(TAG, msg);
+ throw new IllegalArgumentException(msg);
+ }
+ if (conn == null) {
+ throw new NullPointerException("connection is null");
+ }
+ if (decProviderCountLocked(conn, null, null, stable)) {
+ updateOomAdjLocked();
+ }
}
- if (conn == null) {
- throw new NullPointerException("connection is null");
- }
- if (decProviderCountLocked(conn, null, null, stable)) {
- updateOomAdjLocked();
- }
+ } finally {
+ Binder.restoreCallingIdentity(ident);
}
}
diff --git a/services/core/java/com/android/server/am/ActivityStack.java b/services/core/java/com/android/server/am/ActivityStack.java
index 4a07256..77bb1a9 100755
--- a/services/core/java/com/android/server/am/ActivityStack.java
+++ b/services/core/java/com/android/server/am/ActivityStack.java
@@ -2734,15 +2734,6 @@
here.fillInStackTrace();
Slog.i(TAG, "Removing activity " + r + " from stack");
}
- final TaskRecord task = r.task;
- if (task != null && task.removeActivity(r)) {
- if (DEBUG_STACK) Slog.i(TAG,
- "removeActivityFromHistoryLocked: last activity removed from " + this);
- if (mStackSupervisor.isFrontStack(this) && task == topTask() && task.mOnTopOfHome) {
- mStackSupervisor.moveHomeToTop();
- }
- removeTask(task);
- }
r.takeFromHistory();
removeTimeoutsForActivityLocked(r);
if (DEBUG_STATES) Slog.v(TAG, "Moving to DESTROYED: " + r + " (removed from history)");
@@ -2753,6 +2744,15 @@
if (VALIDATE_TOKENS) {
validateAppTokensLocked();
}
+ final TaskRecord task = r.task;
+ if (task != null && task.removeActivity(r)) {
+ if (DEBUG_STACK) Slog.i(TAG,
+ "removeActivityFromHistoryLocked: last activity removed from " + this);
+ if (mStackSupervisor.isFrontStack(this) && task == topTask() && task.mOnTopOfHome) {
+ mStackSupervisor.moveHomeToTop();
+ }
+ removeTask(task);
+ }
cleanUpActivityServicesLocked(r);
r.removeUriPermissionsLocked();
}
diff --git a/services/core/java/com/android/server/display/DisplayManagerService.java b/services/core/java/com/android/server/display/DisplayManagerService.java
index d5ee838..6be6405 100644
--- a/services/core/java/com/android/server/display/DisplayManagerService.java
+++ b/services/core/java/com/android/server/display/DisplayManagerService.java
@@ -124,7 +124,7 @@
private static final int DISPLAY_BLANK_STATE_BLANKED = 1;
private static final int DISPLAY_BLANK_STATE_UNBLANKED = 2;
- private Context mContext;
+ private final Context mContext;
private final DisplayManagerHandler mHandler;
private final Handler mUiHandler;
private final DisplayAdapterListener mDisplayAdapterListener;
@@ -208,7 +208,9 @@
private final DisplayViewport mTempDefaultViewport = new DisplayViewport();
private final DisplayViewport mTempExternalTouchViewport = new DisplayViewport();
- public DisplayManagerService() {
+ public DisplayManagerService(Context context) {
+ super(context);
+ mContext = context;
mHandler = new DisplayManagerHandler(DisplayThread.get().getLooper());
mUiHandler = UiThread.getHandler();
mDisplayAdapterListener = new DisplayAdapterListener();
@@ -216,11 +218,6 @@
}
@Override
- public void onCreate(Context context) {
- mContext = context;
- }
-
- @Override
public void onStart() {
mHandler.sendEmptyMessage(MSG_REGISTER_DEFAULT_DISPLAY_ADAPTER);
diff --git a/services/core/java/com/android/server/lights/LightsService.java b/services/core/java/com/android/server/lights/LightsService.java
index 3d22370..94cf668 100644
--- a/services/core/java/com/android/server/lights/LightsService.java
+++ b/services/core/java/com/android/server/lights/LightsService.java
@@ -157,8 +157,9 @@
}
};
- @Override
- public void onCreate(Context context) {
+ public LightsService(Context context) {
+ super(context);
+
mNativePointer = init_native();
for (int i = 0; i < LightsManager.LIGHT_ID_COUNT; i++) {
@@ -183,6 +184,7 @@
}
};
+ @Override
protected void finalize() throws Throwable {
finalize_native(mNativePointer);
super.finalize();
diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index e4ea033..01175bb 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -1118,6 +1118,10 @@
return out;
}
+ public NotificationManagerService(Context context) {
+ super(context);
+ }
+
@Override
public void onStart() {
mAm = ActivityManagerNative.getDefault();
diff --git a/services/core/java/com/android/server/pm/Installer.java b/services/core/java/com/android/server/pm/Installer.java
index e2ff146..6185e50 100644
--- a/services/core/java/com/android/server/pm/Installer.java
+++ b/services/core/java/com/android/server/pm/Installer.java
@@ -18,6 +18,7 @@
import com.android.server.SystemService;
+import android.content.Context;
import android.content.pm.PackageStats;
import android.net.LocalSocket;
import android.net.LocalSocketAddress;
@@ -39,6 +40,10 @@
byte buf[] = new byte[1024];
int buflen = 0;
+ public Installer(Context context) {
+ super(context);
+ }
+
@Override
public void onStart() {
Slog.i(TAG, "Waiting for installd to be ready.");
diff --git a/services/core/java/com/android/server/power/PowerManagerService.java b/services/core/java/com/android/server/power/PowerManagerService.java
index b9ecde1..b2344e6 100644
--- a/services/core/java/com/android/server/power/PowerManagerService.java
+++ b/services/core/java/com/android/server/power/PowerManagerService.java
@@ -168,7 +168,7 @@
// effectively and terminate the dream.
private static final int DREAM_BATTERY_LEVEL_DRAIN_CUTOFF = 5;
- private Context mContext;
+ private final Context mContext;
private LightsManager mLightsManager;
private BatteryService mBatteryService;
private DisplayManagerInternal mDisplayManagerInternal;
@@ -374,7 +374,9 @@
private static native void nativeSetInteractive(boolean enable);
private static native void nativeSetAutoSuspend(boolean enable);
- public PowerManagerService() {
+ public PowerManagerService(Context context) {
+ super(context);
+ mContext = context;
synchronized (mLock) {
mWakeLockSuspendBlocker = createSuspendBlockerLocked("PowerManagerService.WakeLocks");
mDisplaySuspendBlocker = createSuspendBlockerLocked("PowerManagerService.Display");
@@ -391,11 +393,6 @@
}
@Override
- public void onCreate(Context context) {
- mContext = context;
- }
-
- @Override
public void onStart() {
publishBinderService(Context.POWER_SERVICE, new BinderService());
publishLocalService(PowerManagerInternal.class, new LocalService());
diff --git a/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java b/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java
index 8805084..43a99e0 100644
--- a/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java
+++ b/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java
@@ -89,11 +89,11 @@
private long mLastReportedFreeMemTime;
boolean mLowMemFlag=false;
private boolean mMemFullFlag=false;
- private ContentResolver mResolver;
- private long mTotalMemory; // on /data
- private StatFs mDataFileStats;
- private StatFs mSystemFileStats;
- private StatFs mCacheFileStats;
+ private final ContentResolver mResolver;
+ private final long mTotalMemory; // on /data
+ private final StatFs mDataFileStats;
+ private final StatFs mSystemFileStats;
+ private final StatFs mCacheFileStats;
private static final File DATA_PATH = Environment.getDataDirectory();
private static final File SYSTEM_PATH = Environment.getRootDirectory();
@@ -102,10 +102,10 @@
private long mThreadStartTime = -1;
boolean mClearSucceeded = false;
boolean mClearingCache;
- private Intent mStorageLowIntent;
- private Intent mStorageOkIntent;
- private Intent mStorageFullIntent;
- private Intent mStorageNotFullIntent;
+ private final Intent mStorageLowIntent;
+ private final Intent mStorageOkIntent;
+ private final Intent mStorageFullIntent;
+ private final Intent mStorageNotFullIntent;
private CachePackageDataObserver mClearCacheObserver;
private CacheFileDeletedObserver mCacheFileDeletedObserver;
private static final int _TRUE = 1;
@@ -134,7 +134,7 @@
* Handler that checks the amount of disk space on the device and sends a
* notification if the device runs low on disk space
*/
- private Handler mHandler = new Handler() {
+ private final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
//don't handle an invalid message
@@ -310,12 +310,8 @@
delay);
}
- /**
- * Constructor to run service. initializes the disk space threshold value
- * and posts an empty message to kickstart the process.
- */
- @Override
- public void onCreate(Context context) {
+ public DeviceStorageMonitorService(Context context) {
+ super(context);
mLastReportedFreeMemTime = 0;
mResolver = context.getContentResolver();
//create StatFs object
@@ -335,6 +331,10 @@
mStorageNotFullIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
}
+ /**
+ * Initializes the disk space threshold value and posts an empty message to
+ * kickstart the process.
+ */
@Override
public void onStart() {
// cache storage thresholds
diff --git a/services/core/java/com/android/server/twilight/TwilightService.java b/services/core/java/com/android/server/twilight/TwilightService.java
index 8feb97b..a71961c 100644
--- a/services/core/java/com/android/server/twilight/TwilightService.java
+++ b/services/core/java/com/android/server/twilight/TwilightService.java
@@ -65,6 +65,10 @@
TwilightState mTwilightState;
+ public TwilightService(Context context) {
+ super(context);
+ }
+
@Override
public void onStart() {
mAlarmManager = (AlarmManager) getContext().getSystemService(Context.ALARM_SERVICE);
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 7293d6f..8f07e27 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -4535,8 +4535,8 @@
void removeAppFromTaskLocked(AppWindowToken wtoken) {
final Task task = mTaskIdToTask.get(wtoken.groupId);
- if (!wtoken.mDeferRemoval && task != null && task.removeAppToken(wtoken)) {
- removeTaskLocked(task);
+ if (task != null) {
+ task.removeAppToken(wtoken);
}
}
diff --git a/services/core/jni/Android.mk b/services/core/jni/Android.mk
index 85f69a4..1a3ce63 100644
--- a/services/core/jni/Android.mk
+++ b/services/core/jni/Android.mk
@@ -2,8 +2,6 @@
# files
LOCAL_REL_DIR := core/jni
-LOCAL_CFLAGS += -Wno-unused-parameter
-
LOCAL_SRC_FILES += \
$(LOCAL_REL_DIR)/com_android_server_AlarmManagerService.cpp \
$(LOCAL_REL_DIR)/com_android_server_AssetAtlasService.cpp \
@@ -47,7 +45,6 @@
libutils \
libui \
libinput \
- libinputflinger \
libinputservice \
libsensorservice \
libskia \
diff --git a/services/core/jni/com_android_server_ConsumerIrService.cpp b/services/core/jni/com_android_server_ConsumerIrService.cpp
index 004c0aa..3a50ff7 100644
--- a/services/core/jni/com_android_server_ConsumerIrService.cpp
+++ b/services/core/jni/com_android_server_ConsumerIrService.cpp
@@ -29,7 +29,7 @@
namespace android {
-static jint halOpen(JNIEnv *env, jobject obj) {
+static jlong halOpen(JNIEnv *env, jobject obj) {
hw_module_t const* module;
consumerir_device_t *dev;
int err;
@@ -47,10 +47,10 @@
return 0;
}
- return reinterpret_cast<jint>(dev);
+ return reinterpret_cast<jlong>(dev);
}
-static jint halTransmit(JNIEnv *env, jobject obj, jint halObject,
+static jint halTransmit(JNIEnv *env, jobject obj, jlong halObject,
jint carrierFrequency, jintArray pattern) {
int ret;
@@ -67,8 +67,8 @@
}
static jintArray halGetCarrierFrequencies(JNIEnv *env, jobject obj,
- jint halObject) {
- consumerir_device_t *dev = (consumerir_device_t *) halObject;
+ jlong halObject) {
+ consumerir_device_t *dev = reinterpret_cast<consumerir_device_t*>(halObject);
consumerir_freq_range_t *ranges;
int len;
@@ -101,9 +101,9 @@
}
static JNINativeMethod method_table[] = {
- { "halOpen", "()I", (void *)halOpen },
- { "halTransmit", "(II[I)I", (void *)halTransmit },
- { "halGetCarrierFrequencies", "(I)[I", (void *)halGetCarrierFrequencies},
+ { "halOpen", "()J", (void *)halOpen },
+ { "halTransmit", "(JI[I)I", (void *)halTransmit },
+ { "halGetCarrierFrequencies", "(J)[I", (void *)halGetCarrierFrequencies},
};
int register_android_server_ConsumerIrService(JNIEnv *env) {
diff --git a/services/core/jni/com_android_server_input_InputApplicationHandle.h b/services/core/jni/com_android_server_input_InputApplicationHandle.h
index 62c8570..89d48c6 100644
--- a/services/core/jni/com_android_server_input_InputApplicationHandle.h
+++ b/services/core/jni/com_android_server_input_InputApplicationHandle.h
@@ -17,7 +17,7 @@
#ifndef _ANDROID_SERVER_INPUT_APPLICATION_HANDLE_H
#define _ANDROID_SERVER_INPUT_APPLICATION_HANDLE_H
-#include <inputflinger/InputApplication.h>
+#include <input/InputApplication.h>
#include "JNIHelp.h"
#include "jni.h"
diff --git a/services/core/jni/com_android_server_input_InputManagerService.cpp b/services/core/jni/com_android_server_input_InputManagerService.cpp
index 321776c..43fbe9d 100644
--- a/services/core/jni/com_android_server_input_InputManagerService.cpp
+++ b/services/core/jni/com_android_server_input_InputManagerService.cpp
@@ -35,11 +35,10 @@
#include <utils/Looper.h>
#include <utils/threads.h>
+#include <input/InputManager.h>
#include <input/PointerController.h>
#include <input/SpriteController.h>
-#include <inputflinger/InputManager.h>
-
#include <android_os_MessageQueue.h>
#include <android_view_InputDevice.h>
#include <android_view_KeyEvent.h>
diff --git a/services/core/jni/com_android_server_input_InputWindowHandle.h b/services/core/jni/com_android_server_input_InputWindowHandle.h
index 8d9e7d7..2cfa17d3 100644
--- a/services/core/jni/com_android_server_input_InputWindowHandle.h
+++ b/services/core/jni/com_android_server_input_InputWindowHandle.h
@@ -17,7 +17,7 @@
#ifndef _ANDROID_SERVER_INPUT_WINDOW_HANDLE_H
#define _ANDROID_SERVER_INPUT_WINDOW_HANDLE_H
-#include <inputflinger/InputWindow.h>
+#include <input/InputWindow.h>
#include "JNIHelp.h"
#include "jni.h"
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
index 5a964ad..bb96544 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
@@ -25,6 +25,7 @@
import com.android.internal.util.XmlUtils;
import com.android.internal.widget.LockPatternUtils;
import com.android.org.conscrypt.TrustedCertificateStore;
+import com.android.server.SystemService;
import android.app.Activity;
import android.app.ActivityManagerNative;
@@ -138,6 +139,26 @@
*/
private boolean mHasFeature;
+ public static final class Lifecycle extends SystemService {
+ private DevicePolicyManagerService mService;
+
+ public Lifecycle(Context context) {
+ super(context);
+ mService = new DevicePolicyManagerService(context);
+ }
+
+ @Override
+ public void onStart() {
+ publishBinderService(Context.DEVICE_POLICY_SERVICE, mService);
+ }
+
+ @Override
+ public void onBootPhase(int phase) {
+ if (phase == PHASE_LOCK_SETTINGS_READY) {
+ mService.systemReady();
+ }
+ }
+ }
public static class DevicePolicyData {
int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED;
int mActivePasswordLength = 0;
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerSystemService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerSystemService.java
deleted file mode 100644
index 160aa39..0000000
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerSystemService.java
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.server.devicepolicy;
-
-import android.content.Context;
-
-import com.android.server.SystemService;
-
-/**
- * SystemService wrapper for the DevicePolicyManager implementation. Publishes
- * Context.DEVICE_POLICY_SERVICE.
- */
-public final class DevicePolicyManagerSystemService extends SystemService {
- private DevicePolicyManagerService mDevicePolicyManagerImpl;
-
- @Override
- public void onCreate(Context context) {
- mDevicePolicyManagerImpl = new DevicePolicyManagerService(context);
- }
-
- @Override
- public void onStart() {
- publishBinderService(Context.DEVICE_POLICY_SERVICE, mDevicePolicyManagerImpl);
- }
-
- @Override
- public void onBootPhase(int phase) {
- if (phase == PHASE_LOCK_SETTINGS_READY) {
- mDevicePolicyManagerImpl.systemReady();
- }
- }
-}
\ No newline at end of file
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 9bc2201..85e5e23 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -104,9 +104,9 @@
* them from the build system somehow.
*/
private static final String BACKUP_MANAGER_SERVICE_CLASS =
- "com.android.server.backup.BackupManagerSystemService";
+ "com.android.server.backup.BackupManagerService$Lifecycle";
private static final String DEVICE_POLICY_MANAGER_SERVICE_CLASS =
- "com.android.server.devicepolicy.DevicePolicyManagerSystemService";
+ "com.android.server.devicepolicy.DevicePolicyManagerService$Lifecycle";
private static final String APPWIDGET_SERVICE_CLASS =
"com.android.server.appwidget.AppWidgetService";
private static final String PRINT_MANAGER_SERVICE_CLASS =
@@ -209,6 +209,7 @@
// Create the system service manager.
mSystemServiceManager = new SystemServiceManager(mSystemContext);
+ LocalServices.addService(SystemServiceManager.class, mSystemServiceManager);
// Start services.
try {
diff --git a/services/print/java/com/android/server/print/PrintManagerService.java b/services/print/java/com/android/server/print/PrintManagerService.java
index 7438297..f7bec6e 100644
--- a/services/print/java/com/android/server/print/PrintManagerService.java
+++ b/services/print/java/com/android/server/print/PrintManagerService.java
@@ -66,13 +66,13 @@
*/
public final class PrintManagerService extends SystemService {
+ private final PrintManagerImpl mPrintManagerImpl;
- private PrintManagerImpl mPrintManagerImpl;
-
- @Override
- public void onCreate(Context context) {
+ public PrintManagerService(Context context) {
+ super(context);
mPrintManagerImpl = new PrintManagerImpl(context);
}
+
@Override
public void onStart() {
publishBinderService(Context.PRINT_SERVICE, mPrintManagerImpl);