commit a47425a13c19f95057df78b8bb65bb25657e8753
author Jeff Brown <jeffbrown@google.com> Fri Apr 13 04:09:27 2012 -0700
committer Jeff Brown <jeffbrown@google.com> Fri Apr 13 17:01:15 2012 -0700
tree 675c0d6bf611f2427bb3d11315d410bf9087b20a
parent c2346134bb519a54d50655cbef940fc3fdec60a9

Add support for input devices that have vibrators.

Added a getVibrator() method to InputDevice which returns a Vibrator
associated with that input device.  Its uses the same API as the
system vibrator which makes it easy for applications to be modified
to use one or the other.

Bug: 6334179
Change-Id: Ifc7f13dbcb778670f3f1c07ccc562334e6109d2e

services/jni/com_android_server_input_InputManagerService.cpp

diff --git a/services/jni/com_android_server_input_InputManagerService.cpp b/services/jni/com_android_server_input_InputManagerService.cpp
index f1536fd..3795074 100644
--- a/services/jni/com_android_server_input_InputManagerService.cpp
+++ b/services/jni/com_android_server_input_InputManagerService.cpp
@@ -1226,6 +1226,38 @@
     im->setShowTouches(enabled);
 }
 
+static void nativeVibrate(JNIEnv* env,
+        jclass clazz, jint ptr, jint deviceId, jlongArray patternObj,
+        jint repeat, jint token) {
+    NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+    size_t patternSize = env->GetArrayLength(patternObj);
+    if (patternSize > MAX_VIBRATE_PATTERN_SIZE) {
+        ALOGI("Skipped requested vibration because the pattern size is %d "
+                "which is more than the maximum supported size of %d.",
+                patternSize, MAX_VIBRATE_PATTERN_SIZE);
+        return; // limit to reasonable size
+    }
+
+    jlong* patternMillis = static_cast<jlong*>(env->GetPrimitiveArrayCritical(
+            patternObj, NULL));
+    nsecs_t pattern[patternSize];
+    for (size_t i = 0; i < patternSize; i++) {
+        pattern[i] = max(jlong(0), min(patternMillis[i],
+                MAX_VIBRATE_PATTERN_DELAY_NSECS / 1000000LL)) * 1000000LL;
+    }
+    env->ReleasePrimitiveArrayCritical(patternObj, patternMillis, JNI_ABORT);
+
+    im->getInputManager()->getReader()->vibrate(deviceId, pattern, patternSize, repeat, token);
+}
+
+static void nativeCancelVibrate(JNIEnv* env,
+        jclass clazz, jint ptr, jint deviceId, jint token) {
+    NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+
+    im->getInputManager()->getReader()->cancelVibrate(deviceId, token);
+}
+
 static jstring nativeDump(JNIEnv* env, jclass clazz, jint ptr) {
     NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
 
@@ -1287,6 +1319,10 @@
             (void*) nativeSetPointerSpeed },
     { "nativeSetShowTouches", "(IZ)V",
             (void*) nativeSetShowTouches },
+    { "nativeVibrate", "(II[JII)V",
+            (void*) nativeVibrate },
+    { "nativeCancelVibrate", "(III)V",
+            (void*) nativeCancelVibrate },
     { "nativeDump", "(I)Ljava/lang/String;",
             (void*) nativeDump },
     { "nativeMonitor", "(I)V",