Merge "Re-parent children when Organized Window is no longer controlled" into... (4555daa3) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/stackdivider/Divider.java

+10 −4

Original line number	Diff line number	Diff line
		@@ -36,7 +36,6 @@ import android.provider.Settings;
		import android.util.Slog;
		import android.view.LayoutInflater;
		import android.view.SurfaceControl;
		import android.view.SurfaceSession;
		import android.view.View;
		import android.window.TaskOrganizer;
		import android.window.WindowContainerToken;
		@@ -94,7 +93,6 @@ public class Divider extends SystemUI implements DividerView.DividerCallbacks,
		private boolean mHomeStackResizable = false;
		private ForcedResizableInfoActivityController mForcedResizableController;
		private SystemWindows mSystemWindows;
		final SurfaceSession mSurfaceSession = new SurfaceSession();
		private DisplayController mDisplayController;
		private DisplayImeController mImeController;
		final TransactionPool mTransactionPool;
		@@ -493,7 +491,7 @@ public class Divider extends SystemUI implements DividerView.DividerCallbacks,
		return;
		}
		try {
		mSplits.init(mSurfaceSession);
		mSplits.init();
		// Set starting tile bounds based on middle target
		final WindowContainerTransaction tct = new WindowContainerTransaction();
		int midPos = mSplitLayout.getSnapAlgorithm().getMiddleTarget().position;
		@@ -505,7 +503,6 @@ public class Divider extends SystemUI implements DividerView.DividerCallbacks,
		return;
		}
		ActivityManagerWrapper.getInstance().registerTaskStackListener(mActivityRestartListener);
		update(mDisplayController.getDisplayContext(displayId).getResources().getConfiguration());
		}

		@Override
		@@ -582,6 +579,15 @@ public class Divider extends SystemUI implements DividerView.DividerCallbacks,
		}
		}

		void onTaskVanished() {
		mHandler.post(this::removeDivider);
		}

		void onTasksReady() {
		mHandler.post(() -> update(mDisplayController.getDisplayContext(
		mContext.getDisplayId()).getResources().getConfiguration()));
		}

		void updateVisibility(final boolean visible) {
		if (DEBUG) Slog.d(TAG, "Updating visibility " + mVisible + "->" + visible);
		if (mVisible != visible) {

packages/SystemUI/src/com/android/systemui/stackdivider/SplitScreenTaskOrganizer.java

+75 −26

Original line number	Diff line number	Diff line
		@@ -47,32 +47,65 @@ class SplitScreenTaskOrganizer extends TaskOrganizer {
		final Divider mDivider;
		private boolean mSplitScreenSupported = false;

		final SurfaceSession mSurfaceSession = new SurfaceSession();

		SplitScreenTaskOrganizer(Divider divider) {
		mDivider = divider;
		}

		void init(SurfaceSession session) throws RemoteException {
		void init() throws RemoteException {
		registerOrganizer(WINDOWING_MODE_SPLIT_SCREEN_PRIMARY);
		registerOrganizer(WINDOWING_MODE_SPLIT_SCREEN_SECONDARY);
		synchronized (this) {
		try {
		mPrimary = TaskOrganizer.createRootTask(Display.DEFAULT_DISPLAY,
		WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY);
		mSecondary = TaskOrganizer.createRootTask(Display.DEFAULT_DISPLAY,
		WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY);
		mPrimarySurface = mPrimary.token.getLeash();
		mSecondarySurface = mSecondary.token.getLeash();
		} catch (Exception e) {
		// teardown to prevent callbacks
		unregisterOrganizer();
		throw e;
		}
		}
		}

		boolean isSplitScreenSupported() {
		return mSplitScreenSupported;
		}

		SurfaceControl.Transaction getTransaction() {
		return mDivider.mTransactionPool.acquire();
		}

		void releaseTransaction(SurfaceControl.Transaction t) {
		mDivider.mTransactionPool.release(t);
		}

		@Override
		public void onTaskAppeared(RunningTaskInfo taskInfo) {
		synchronized (this) {
		if (mPrimary == null \|\| mSecondary == null) {
		Log.w(TAG, "Received onTaskAppeared before creating root tasks " + taskInfo);
		return;
		}

		if (taskInfo.token.equals(mPrimary.token)) {
		mPrimarySurface = taskInfo.token.getLeash();
		} else if (taskInfo.token.equals(mSecondary.token)) {
		mSecondarySurface = taskInfo.token.getLeash();
		}

		if (!mSplitScreenSupported && mPrimarySurface != null && mSecondarySurface != null) {
		mSplitScreenSupported = true;

		// Initialize dim surfaces:
		mPrimaryDim = new SurfaceControl.Builder(session).setParent(mPrimarySurface)
		.setColorLayer().setName("Primary Divider Dim").build();
		mSecondaryDim = new SurfaceControl.Builder(session).setParent(mSecondarySurface)
		.setColorLayer().setName("Secondary Divider Dim").build();
		mPrimaryDim = new SurfaceControl.Builder(mSurfaceSession)
		.setParent(mPrimarySurface).setColorLayer()
		.setName("Primary Divider Dim").build();
		mSecondaryDim = new SurfaceControl.Builder(mSurfaceSession)
		.setParent(mSecondarySurface).setColorLayer()
		.setName("Secondary Divider Dim").build();
		SurfaceControl.Transaction t = getTransaction();
		t.setLayer(mPrimaryDim, Integer.MAX_VALUE);
		t.setColor(mPrimaryDim, new float[]{0f, 0f, 0f});
		@@ -80,18 +113,34 @@ class SplitScreenTaskOrganizer extends TaskOrganizer {
		t.setColor(mSecondaryDim, new float[]{0f, 0f, 0f});
		t.apply();
		releaseTransaction(t);
		}

		boolean isSplitScreenSupported() {
		return mSplitScreenSupported;
		mDivider.onTasksReady();
		}
		}

		SurfaceControl.Transaction getTransaction() {
		return mDivider.mTransactionPool.acquire();
		}

		void releaseTransaction(SurfaceControl.Transaction t) {
		mDivider.mTransactionPool.release(t);
		@Override
		public void onTaskVanished(RunningTaskInfo taskInfo) {
		synchronized (this) {
		final boolean isPrimaryTask = mPrimary != null
		&& taskInfo.token.equals(mPrimary.token);
		final boolean isSecondaryTask = mSecondary != null
		&& taskInfo.token.equals(mSecondary.token);

		if (mSplitScreenSupported && (isPrimaryTask \|\| isSecondaryTask)) {
		mSplitScreenSupported = false;

		SurfaceControl.Transaction t = getTransaction();
		t.remove(mPrimaryDim);
		t.remove(mSecondaryDim);
		t.remove(mPrimarySurface);
		t.remove(mSecondarySurface);
		t.apply();
		releaseTransaction(t);

		mDivider.onTaskVanished();
		}
		}
		}

		@Override

services/core/java/com/android/server/wm/DisplayArea.java

+9 −4

Original line number	Diff line number	Diff line
		@@ -140,8 +140,12 @@ public class DisplayArea<T extends WindowContainer> extends WindowContainer<T> {

		void setOrganizer(IDisplayAreaOrganizer organizer) {
		if (mOrganizer == organizer) return;
		sendDisplayAreaVanished();
		IDisplayAreaOrganizer lastOrganizer = mOrganizer;
		// Update the new display area organizer before calling sendDisplayAreaVanished since it
		// could result in a new SurfaceControl getting created that would notify the old organizer
		// about it.
		mOrganizer = organizer;
		sendDisplayAreaVanished(lastOrganizer);
		sendDisplayAreaAppeared();
		}

		@@ -150,9 +154,10 @@ public class DisplayArea<T extends WindowContainer> extends WindowContainer<T> {
		mOrganizerController.onDisplayAreaAppeared(mOrganizer, this);
		}

		void sendDisplayAreaVanished() {
		if (mOrganizer == null) return;
		mOrganizerController.onDisplayAreaVanished(mOrganizer, this);
		void sendDisplayAreaVanished(IDisplayAreaOrganizer organizer) {
		if (organizer == null) return;
		migrateToNewSurfaceControl();
		mOrganizerController.onDisplayAreaVanished(organizer, this);
		}

		@Override

services/core/java/com/android/server/wm/Task.java

+32 −11

Original line number	Diff line number	Diff line
		@@ -2006,6 +2006,14 @@ class Task extends WindowContainer<WindowContainer> {
		return (prevWinMode == WINDOWING_MODE_FREEFORM) != (newWinMode == WINDOWING_MODE_FREEFORM);
		}

		@Override
		void migrateToNewSurfaceControl() {
		super.migrateToNewSurfaceControl();
		mLastSurfaceSize.x = 0;
		mLastSurfaceSize.y = 0;
		updateSurfaceSize(getPendingTransaction());
		}

		void updateSurfaceSize(SurfaceControl.Transaction transaction) {
		if (mSurfaceControl == null \|\| mCreatedByOrganizer) {
		return;
		@@ -4402,16 +4410,25 @@ class Task extends WindowContainer<WindowContainer> {
		return mHasBeenVisible;
		}

		/** In the case that these three conditions are true, we want to send the Task to
		* the organizer:
		* 1. We have a SurfaceControl
		* 2. An organizer has been set
		* 3. We have finished drawing
		/** In the case that these conditions are true, we want to send the Task to the organizer:
		* 1. An organizer has been set
		* 2. The Task was created by the organizer
		* or
		* 2a. We have a SurfaceControl
		* 2b. We have finished drawing
		* Any time any of these conditions are updated, the updating code should call
		* sendTaskAppeared.
		*/
		boolean taskAppearedReady() {
		return mSurfaceControl != null && mTaskOrganizer != null && getHasBeenVisible();
		if (mTaskOrganizer == null) {
		return false;
		}

		if (mCreatedByOrganizer) {
		return true;
		}

		return mSurfaceControl != null && getHasBeenVisible();
		}

		private void sendTaskAppeared() {
		@@ -4420,9 +4437,9 @@ class Task extends WindowContainer<WindowContainer> {
		}
		}

		private void sendTaskVanished() {
		if (mTaskOrganizer != null) {
		mAtmService.mTaskOrganizerController.onTaskVanished(mTaskOrganizer, this);
		private void sendTaskVanished(ITaskOrganizer organizer) {
		if (organizer != null) {
		mAtmService.mTaskOrganizerController.onTaskVanished(organizer, this);
		}
		}

		@@ -4431,9 +4448,13 @@ class Task extends WindowContainer<WindowContainer> {
		if (mTaskOrganizer == organizer) {
		return false;
		}
		// Let the old organizer know it has lost control.
		sendTaskVanished();

		ITaskOrganizer previousOrganizer = mTaskOrganizer;
		// Update the new task organizer before calling sendTaskVanished since it could result in
		// a new SurfaceControl getting created that would notify the old organizer about it.
		mTaskOrganizer = organizer;
		// Let the old organizer know it has lost control.
		sendTaskVanished(previousOrganizer);

		if (mTaskOrganizer != null) {
		sendTaskAppeared();

services/core/java/com/android/server/wm/TaskOrganizerController.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -211,6 +211,7 @@ class TaskOrganizerController extends ITaskOrganizerController.Stub {

		void removeTask(Task t) {
		if (t.mTaskAppearedSent) {
		t.migrateToNewSurfaceControl();
		t.mTaskAppearedSent = false;
		mOrganizer.onTaskVanished(t);
		}