Add synchronous transaction to wait for setInputWindow to complete (5/n)
Added syncInputWindows method to JNI and SurfaceControl.Transaction
This enables the caller to request SF to wait until input windows have
been synced with InputDispatcher.
Bug: 123041491
Test: builds, runs
Change-Id: I2ddaa3f43eded2fb117cc2850ee7c8a20b2b63ec
diff --git a/core/java/android/view/SurfaceControl.java b/core/java/android/view/SurfaceControl.java
index 1212df0..5227875 100644
--- a/core/java/android/view/SurfaceControl.java
+++ b/core/java/android/view/SurfaceControl.java
@@ -189,6 +189,7 @@
IBinder toToken);
private static native boolean nativeGetProtectedContentSupport();
private static native void nativeSetMetadata(long transactionObj, int key, Parcel data);
+ private static native void nativeSyncInputWindows(long transactionObj);
private final CloseGuard mCloseGuard = CloseGuard.get();
private String mName;
@@ -2105,6 +2106,17 @@
}
/**
+ * Waits until any changes to input windows have been sent from SurfaceFlinger to
+ * InputFlinger before returning.
+ *
+ * @hide
+ */
+ public Transaction syncInputWindows() {
+ nativeSyncInputWindows(mNativeObject);
+ return this;
+ }
+
+ /**
* Specify how the buffer assosciated with this Surface is mapped in to the
* parent coordinate space. The source frame will be scaled to fit the destination
* frame, after being rotated according to the orientation parameter.
diff --git a/core/jni/android_view_SurfaceControl.cpp b/core/jni/android_view_SurfaceControl.cpp
index 6b8d8b1..003ee37 100644
--- a/core/jni/android_view_SurfaceControl.cpp
+++ b/core/jni/android_view_SurfaceControl.cpp
@@ -406,6 +406,11 @@
transaction->transferTouchFocus(fromToken, toToken);
}
+static void nativeSyncInputWindows(JNIEnv* env, jclass clazz, jlong transactionObj) {
+ auto transaction = reinterpret_cast<SurfaceComposerClient::Transaction*>(transactionObj);
+ transaction->syncInputWindows();
+}
+
static void nativeSetMetadata(JNIEnv* env, jclass clazz, jlong transactionObj,
jlong nativeObject, jint id, jobject parcelObj) {
Parcel* parcel = parcelForJavaObject(env, parcelObj);
@@ -1246,7 +1251,9 @@
"(Landroid/os/IBinder;JJ)Landroid/hardware/display/DisplayedContentSample;",
(void*)nativeGetDisplayedContentSample },
{"nativeSetGeometry", "(JJLandroid/graphics/Rect;Landroid/graphics/Rect;J)V",
- (void*)nativeSetGeometry }
+ (void*)nativeSetGeometry },
+ {"nativeSyncInputWindows", "(J)V",
+ (void*)nativeSyncInputWindows }
};
int register_android_view_SurfaceControl(JNIEnv* env)