Merge "Notify on task display change." into qt-r1-dev (9733e690) · Commits · e / os / android_frameworks_base

core/java/android/app/ITaskStackListener.aidl

+8 −0

Original line number	Diff line number	Diff line
		@@ -177,4 +177,12 @@ oneway interface ITaskStackListener {
		* @param displayId the id of the display on which contents are drawn.
		*/
		void onSingleTaskDisplayDrawn(int displayId);

		/**
		* Called when a task is reparented to a stack on a different display.
		*
		* @param taskId id of the task which was moved to a different display.
		* @param newDisplayId id of the new display.
		*/
		void onTaskDisplayChanged(int taskId, int newDisplayId);
		}

+5 −0

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@ import android.os.RemoteException;
		/**
		* Classes interested in observing only a subset of changes using ITaskStackListener can extend
		* this class to avoid having to implement all the methods.
		*
		* @hide
		*/
		public abstract class TaskStackListener extends ITaskStackListener.Stub {
		@@ -177,4 +178,8 @@ public abstract class TaskStackListener extends ITaskStackListener.Stub {
		@Override
		public void onSingleTaskDisplayDrawn(int displayId) throws RemoteException {
		}

		@Override
		public void onTaskDisplayChanged(int taskId, int newDisplayId) throws RemoteException {
		}
		}

+11 −1

Original line number	Diff line number	Diff line
		@@ -925,6 +925,16 @@ public class CarStatusBar extends StatusBar implements
		Log.e(TAG, "Getting StackInfo from activity manager failed", e);
		}
		}

		@Override
		public void onTaskDisplayChanged(int taskId, int newDisplayId) {
		try {
		mCarFacetButtonController.taskChanged(
		ActivityTaskManager.getService().getAllStackInfos());
		} catch (Exception e) {
		Log.e(TAG, "Getting StackInfo from activity manager failed", e);
		}
		}
		}

		private void onDrivingStateChanged(CarDrivingStateEvent notUsed) {

+8 −0

Original line number	Diff line number	Diff line
		@@ -86,6 +86,14 @@ public abstract class TaskStackChangeListener {

		public void onBackPressedOnTaskRoot(RunningTaskInfo taskInfo) { }

		/**
		* Called when a task is reparented to a stack on a different display.
		*
		* @param taskId id of the task which was moved to a different display.
		* @param newDisplayId id of the new display.
		*/
		public void onTaskDisplayChanged(int taskId, int newDisplayId) { }

		/**
		* Checks that the current user matches the process. Since
		* {@link android.app.ITaskStackListener} is not multi-user aware, handlers of

+15 −3

Original line number	Diff line number	Diff line
		@@ -208,6 +208,11 @@ public class TaskStackChangeListeners extends TaskStackListener {
		0 /* unused */).sendToTarget();
		}

		@Override
		public void onTaskDisplayChanged(int taskId, int newDisplayId) throws RemoteException {
		mHandler.obtainMessage(H.ON_TASK_DISPLAY_CHANGED, taskId, newDisplayId).sendToTarget();
		}

		private final class H extends Handler {
		private static final int ON_TASK_STACK_CHANGED = 1;
		private static final int ON_TASK_SNAPSHOT_CHANGED = 2;
		@@ -228,6 +233,7 @@ public class TaskStackChangeListeners extends TaskStackListener {
		private static final int ON_SIZE_COMPAT_MODE_ACTIVITY_CHANGED = 17;
		private static final int ON_BACK_PRESSED_ON_TASK_ROOT = 18;
		private static final int ON_SINGLE_TASK_DISPLAY_DRAWN = 19;
		private static final int ON_TASK_DISPLAY_CHANGED = 20;


		public H(Looper looper) {
		@@ -370,6 +376,12 @@ public class TaskStackChangeListeners extends TaskStackListener {
		}
		break;
		}
		case ON_TASK_DISPLAY_CHANGED: {
		for (int i = mTaskStackListeners.size() - 1; i >= 0; i--) {
		mTaskStackListeners.get(i).onTaskDisplayChanged(msg.arg1, msg.arg2);
		}
		break;
		}
		}
		}
		}