Merge "Preemptively clear buffer reference if snapshot is unused" into qt-dev (d2ff5562) · Commits · e / os / android_frameworks_base

core/java/android/app/TaskStackListener.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package android.app;
		import android.annotation.UnsupportedAppUsage;
		import android.app.ActivityManager.TaskSnapshot;
		import android.content.ComponentName;
		import android.os.Binder;
		import android.os.IBinder;
		import android.os.RemoteException;

		@@ -155,6 +156,11 @@ public abstract class TaskStackListener extends ITaskStackListener.Stub {
		@Override
		@UnsupportedAppUsage
		public void onTaskSnapshotChanged(int taskId, TaskSnapshot snapshot) throws RemoteException {
		if (Binder.getCallingPid() != android.os.Process.myPid()
		&& snapshot != null && snapshot.getSnapshot() != null) {
		// Preemptively clear any reference to the buffer
		snapshot.getSnapshot().destroy();
		}
		}

		@Override

+9 −0

Original line number	Diff line number	Diff line
		@@ -70,6 +70,15 @@ public class TaskStackChangeListeners extends TaskStackListener {

		public void removeListener(TaskStackChangeListener listener) {
		mTaskStackListeners.remove(listener);
		if (mTaskStackListeners.isEmpty() && mRegistered) {
		// Unregister mTaskStackListener once we have no more listeners
		try {
		ActivityTaskManager.getService().unregisterTaskStackListener(this);
		mRegistered = false;
		} catch (Exception e) {
		Log.w(TAG, "Failed to call unregisterTaskStackListener", e);
		}
		}
		}

		@Override