Stabilize overview/quick-switch transitions (89e82322) · Commits · e / os / android_frameworks_base

packages/SystemUI/shared/src/com/android/systemui/shared/system/RemoteTransitionCompat.java

+124 −59

Original line number	Diff line number	Diff line
		@@ -36,7 +36,6 @@ import android.os.IBinder;
		import android.os.RemoteException;
		import android.util.ArrayMap;
		import android.util.Log;
		import android.util.SparseArray;
		import android.view.IRecentsAnimationController;
		import android.view.RemoteAnimationTarget;
		import android.view.SurfaceControl;
		@@ -106,12 +105,24 @@ public class RemoteTransitionCompat {
		private RecentsAnimationListener mListener = null;
		private RecentsAnimationControllerCompat mWrapped = null;
		private IRemoteTransitionFinishedCallback mFinishCB = null;

		/**
		* List of tasks that we are switching away from via this transition. Upon finish, these
		* pausing tasks will become invisible.
		* These need to be ordered since the order must be restored if there is no task-switch.
		*/
		private ArrayList<TaskState> mPausingTasks = null;

		/**
		* List of tasks that we are switching to. Upon finish, these will remain visible and
		* on top.
		*/
		private ArrayList<TaskState> mOpeningTasks = null;

		private WindowContainerToken mPipTask = null;
		private WindowContainerToken mRecentsTask = null;
		private int mRecentsTaskId = 0;
		private TransitionInfo mInfo = null;
		private ArrayList<SurfaceControl> mOpeningLeashes = null;
		private boolean mOpeningSeparateHome = false;
		private ArrayMap<SurfaceControl, SurfaceControl> mLeashMap = null;
		private PictureInPictureSurfaceTransaction mPipTransaction = null;
		@@ -120,6 +131,15 @@ public class RemoteTransitionCompat {
		private RemoteAnimationTarget[] mAppearedTargets;
		private boolean mWillFinishToHome = false;

		/** The animation is idle, waiting for the user to choose a task to switch to. */
		private static final int STATE_NORMAL = 0;

		/** The user chose a new task to switch to and the animation is animating to it. */
		private static final int STATE_NEW_TASK = 1;

		/** The latest state that the recents animation is operating in. */
		private int mState = STATE_NORMAL;

		void start(RecentsAnimationControllerCompat wrapped, RecentsAnimationListener listener,
		IBinder transition, TransitionInfo info, SurfaceControl.Transaction t,
		IRemoteTransitionFinishedCallback finishedCallback) {
		@@ -132,12 +152,14 @@ public class RemoteTransitionCompat {
		mInfo = info;
		mFinishCB = finishedCallback;
		mPausingTasks = new ArrayList<>();
		mOpeningTasks = new ArrayList<>();
		mPipTask = null;
		mRecentsTask = null;
		mRecentsTaskId = -1;
		mLeashMap = new ArrayMap<>();
		mTransition = transition;
		mKeyguardLocked = (info.getFlags() & TRANSIT_FLAG_KEYGUARD_LOCKED) != 0;
		mState = STATE_NORMAL;

		final ArrayList<RemoteAnimationTarget> apps = new ArrayList<>();
		final ArrayList<RemoteAnimationTarget> wallpapers = new ArrayList<>();
		@@ -178,6 +200,9 @@ public class RemoteTransitionCompat {
		} else if (taskInfo != null && taskInfo.topActivityType == ACTIVITY_TYPE_HOME) {
		mRecentsTask = taskInfo.token;
		mRecentsTaskId = taskInfo.taskId;
		} else if (change.getMode() == TRANSIT_OPEN
		\|\| change.getMode() == TRANSIT_TO_FRONT) {
		mOpeningTasks.add(new TaskState(change, target.leash));
		}
		}
		}
		@@ -189,34 +214,41 @@ public class RemoteTransitionCompat {

		@SuppressLint("NewApi")
		boolean merge(TransitionInfo info, SurfaceControl.Transaction t) {
		SparseArray<TransitionInfo.Change> openingTasks = null;
		ArrayList<TransitionInfo.Change> openingTasks = null;
		ArrayList<TransitionInfo.Change> closingTasks = null;
		mAppearedTargets = null;
		boolean foundHomeOpening = false;
		mOpeningSeparateHome = false;
		TransitionInfo.Change recentsOpening = null;
		boolean foundRecentsClosing = false;
		boolean hasChangingApp = false;
		for (int i = info.getChanges().size() - 1; i >= 0; --i) {
		final RemoteAnimationTargetCompat.LeafTaskFilter leafTaskFilter =
		new RemoteAnimationTargetCompat.LeafTaskFilter();
		for (int i = 0; i < info.getChanges().size(); ++i) {
		final TransitionInfo.Change change = info.getChanges().get(i);
		if (change.getMode() == TRANSIT_OPEN \|\| change.getMode() == TRANSIT_TO_FRONT) {
		final ActivityManager.RunningTaskInfo taskInfo = change.getTaskInfo();
		if (taskInfo != null) {
		final boolean isLeafTask = leafTaskFilter.test(change);
		if (change.getMode() == TRANSIT_OPEN \|\| change.getMode() == TRANSIT_TO_FRONT) {
		if (mRecentsTask.equals(change.getContainer())) {
		recentsOpening = change;
		} else if (isLeafTask) {
		if (taskInfo.topActivityType == ACTIVITY_TYPE_HOME) {
		// This is usually a 3p launcher
		foundHomeOpening = true;
		mOpeningSeparateHome = true;
		}
		if (openingTasks == null) {
		openingTasks = new SparseArray<>();
		}
		if (taskInfo.hasParentTask()) {
		// Collects opening leaf tasks only since Launcher monitors leaf task
		// ids to perform recents animation.
		openingTasks.remove(taskInfo.parentTaskId);
		openingTasks = new ArrayList<>();
		}
		openingTasks.put(taskInfo.taskId, change);
		openingTasks.add(change);
		}
		} else if (change.getMode() == TRANSIT_CLOSE
		\|\| change.getMode() == TRANSIT_TO_BACK) {
		if (mRecentsTask.equals(change.getContainer())) {
		foundRecentsClosing = true;
		} else if (isLeafTask) {
		if (closingTasks == null) {
		closingTasks = new ArrayList<>();
		}
		closingTasks.add(change);
		}
		} else if (change.getMode() == TRANSIT_CHANGE) {
		hasChangingApp = true;
		@@ -234,45 +266,72 @@ public class RemoteTransitionCompat {
		}
		return false;
		}
		if (openingTasks == null) return false;
		int pauseMatches = 0;
		if (!foundHomeOpening) {
		for (int i = 0; i < openingTasks.size(); ++i) {
		if (TaskState.indexOf(mPausingTasks, openingTasks.valueAt(i)) >= 0) {
		++pauseMatches;
		}
		}
		}
		if (pauseMatches > 0) {
		if (pauseMatches != mPausingTasks.size()) {
		// We are not really "returning" properly... something went wrong.
		throw new IllegalStateException("\"Concelling\" a recents transitions by "
		+ "unpausing " + pauseMatches + " apps after pausing "
		+ mPausingTasks.size() + " apps.");
		}
		// In this case, we are "returning" to an already running app, so just consume
		// the merge and do nothing.
		info.releaseAllSurfaces();
		t.close();
		return true;
		}
		if (recentsOpening != null) {
		// the recents task re-appeared. This happens if the user gestures before the
		// task-switch (NEW_TASK) animation finishes.
		if (mState == STATE_NORMAL) {
		Log.e(TAG, "Returning to recents while recents is already idle.");
		}
		if (closingTasks == null \|\| closingTasks.size() == 0) {
		Log.e(TAG, "Returning to recents without closing any opening tasks.");
		}
		// Setup may hide it initially since it doesn't know that overview was still active.
		t.show(recentsOpening.getLeash());
		t.setAlpha(recentsOpening.getLeash(), 1.f);
		mState = STATE_NORMAL;
		}
		boolean didMergeThings = false;
		if (closingTasks != null) {
		// Cancelling a task-switch. Move the tasks back to mPausing from mOpening
		for (int i = 0; i < closingTasks.size(); ++i) {
		final TransitionInfo.Change change = closingTasks.get(i);
		int openingIdx = TaskState.indexOf(mOpeningTasks, change);
		if (openingIdx < 0) {
		Log.e(TAG, "Back to existing recents animation from an unrecognized "
		+ "task: " + change.getTaskInfo().taskId);
		continue;
		}
		mPausingTasks.add(mOpeningTasks.remove(openingIdx));
		didMergeThings = true;
		}
		}
		if (openingTasks != null && openingTasks.size() > 0) {
		// Switching to some new tasks, add to mOpening and remove from mPausing. Also,
		// enter NEW_TASK state since this will start the switch-to animation.
		final int layer = mInfo.getChanges().size() * 3;
		mOpeningLeashes = new ArrayList<>();
		mOpeningSeparateHome = foundHomeOpening;
		final RemoteAnimationTarget[] targets =
		new RemoteAnimationTarget[openingTasks.size()];
		for (int i = 0; i < openingTasks.size(); ++i) {
		final TransitionInfo.Change change = openingTasks.valueAt(i);
		mOpeningLeashes.add(change.getLeash());
		final TransitionInfo.Change change = openingTasks.get(i);
		int pausingIdx = TaskState.indexOf(mPausingTasks, change);
		if (pausingIdx >= 0) {
		// Something is showing/opening a previously-pausing app.
		targets[i] = newTarget(change, layer, mPausingTasks.get(pausingIdx).mLeash);
		mOpeningTasks.add(mPausingTasks.remove(pausingIdx));
		// Setup hides opening tasks initially, so make it visible again (since we
		// are already showing it).
		t.show(change.getLeash());
		t.setAlpha(change.getLeash(), 1.f);
		} else {
		// We are receiving new opening tasks, so convert to onTasksAppeared.
		targets[i] = newTarget(change, layer, info, t, mLeashMap);
		t.reparent(targets[i].leash, mInfo.getRootLeash());
		t.setLayer(targets[i].leash, layer);
		mOpeningTasks.add(new TaskState(change, targets[i].leash));
		}
		}
		didMergeThings = true;
		mState = STATE_NEW_TASK;
		mAppearedTargets = targets;
		}
		if (!didMergeThings) {
		// Didn't recognize anything in incoming transition so don't merge it.
		Log.w(TAG, "Don't know how to merge this transition.");
		return false;
		}
		t.apply();
		// not using the incoming anim-only surfaces
		info.releaseAnimSurfaces();
		mAppearedTargets = targets;
		return true;
		}

		@@ -300,6 +359,8 @@ public class RemoteTransitionCompat {
		if (enabled) {
		// transient launches don't receive focus automatically. Since we are taking over
		// the gesture now, take focus explicitly.
		// This also moves recents back to top if the user gestured before a switch
		// animation finished.
		try {
		ActivityTaskManager.getService().setFocusedTask(mRecentsTaskId);
		} catch (RemoteException e) {
		@@ -336,8 +397,8 @@ public class RemoteTransitionCompat {
		if (toHome) wct.reorder(mRecentsTask, true /* toTop */);
		else wct.restoreTransientOrder(mRecentsTask);
		}
		if (!toHome && !mWillFinishToHome && mPausingTasks != null && mOpeningLeashes == null) {
		// The gesture went back to opening the app rather than continuing with
		if (!toHome && !mWillFinishToHome && mPausingTasks != null && mState == STATE_NORMAL) {
		// The gesture is returning to the pausing-task(s) rather than continuing with
		// recents, so end the transition by moving the app back to the top (and also
		// re-showing it's task).
		for (int i = mPausingTasks.size() - 1; i >= 0; --i) {
		@@ -349,25 +410,28 @@ public class RemoteTransitionCompat {
		wct.restoreTransientOrder(mRecentsTask);
		}
		} else if (toHome && mOpeningSeparateHome && mPausingTasks != null) {
		// Special situaition where 3p launcher was changed during recents (this happens
		// Special situation where 3p launcher was changed during recents (this happens
		// during tapltests...). Here we get both "return to home" AND "home opening".
		// This is basically going home, but we have to restore recents order and also
		// treat the home "pausing" task properly.
		for (int i = mPausingTasks.size() - 1; i >= 0; --i) {
		final TaskState state = mPausingTasks.get(i);
		// This is basically going home, but we have to restore the recents and home order.
		for (int i = 0; i < mOpeningTasks.size(); ++i) {
		final TaskState state = mOpeningTasks.get(i);
		if (state.mTaskInfo.topActivityType == ACTIVITY_TYPE_HOME) {
		// Treat as opening (see above)
		// Make sure it is on top.
		wct.reorder(state.mToken, true /* onTop */);
		}
		t.show(state.mTaskSurface);
		} else {
		// Treat as hiding (see below)
		t.hide(state.mTaskSurface);
		}
		for (int i = mPausingTasks.size() - 1; i >= 0; --i) {
		t.hide(mPausingTasks.get(i).mTaskSurface);
		}
		if (!mKeyguardLocked && mRecentsTask != null) {
		wct.restoreTransientOrder(mRecentsTask);
		}
		} else {
		// The general case: committing to recents, going home, or switching tasks.
		for (int i = 0; i < mOpeningTasks.size(); ++i) {
		t.show(mOpeningTasks.get(i).mTaskSurface);
		}
		for (int i = 0; i < mPausingTasks.size(); ++i) {
		if (!sendUserLeaveHint) {
		// This means recents is not actually finishing, so of course we gotta
		@@ -391,7 +455,7 @@ public class RemoteTransitionCompat {
		try {
		mFinishCB.onTransitionFinished(wct.isEmpty() ? null : wct, t);
		} catch (RemoteException e) {
		Log.e("RemoteTransitionCompat", "Failed to call animation finish callback", e);
		Log.e(TAG, "Failed to call animation finish callback", e);
		t.apply();
		}
		// Only release the non-local created surface references. The animator is responsible
		@@ -402,12 +466,13 @@ public class RemoteTransitionCompat {
		mListener = null;
		mFinishCB = null;
		mPausingTasks = null;
		mOpeningTasks = null;
		mAppearedTargets = null;
		mInfo = null;
		mOpeningLeashes = null;
		mOpeningSeparateHome = false;
		mLeashMap = null;
		mTransition = null;
		mState = STATE_NORMAL;
		}

		@Override public void setDeferCancelUntilNextTransition(boolean defer, boolean screenshot) {

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

+19 −1

Original line number	Diff line number	Diff line
		@@ -65,6 +65,7 @@ import static android.view.Display.DEFAULT_DISPLAY;
		import static android.view.Display.INVALID_DISPLAY;
		import static android.view.WindowManager.TRANSIT_CHANGE;
		import static android.view.WindowManager.TRANSIT_PIP;
		import static android.view.WindowManager.TRANSIT_TO_FRONT;
		import static android.view.WindowManagerPolicyConstants.KEYGUARD_GOING_AWAY_FLAG_TO_LAUNCHER_CLEAR_SNAPSHOT;

		import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_CONFIGURATION;
		@@ -2034,7 +2035,20 @@ public class ActivityTaskManagerService extends IActivityTaskManager.Stub {
		return;
		}

		if (r.moveFocusableActivityToTop("setFocusedTask")) {
		final Transition transition = (getTransitionController().isCollecting()
		\|\| !getTransitionController().isShellTransitionsEnabled()) ? null
		: getTransitionController().createTransition(TRANSIT_TO_FRONT);
		if (transition != null) {
		// Set ready before doing anything. If order does change, then that will set it unready
		// so that we wait for the new lifecycles to complete.
		transition.setReady(task, true /* ready */);
		}
		final boolean movedToTop = r.moveFocusableActivityToTop("setFocusedTask");
		if (movedToTop) {
		if (transition != null) {
		getTransitionController().requestStartTransition(
		transition, null /* startTask /, null / remote /, null / display */);
		}
		mRootWindowContainer.resumeFocusedTasksTopActivities();
		} else if (touchedActivity != null && touchedActivity.isFocusable()) {
		final TaskFragment parent = touchedActivity.getTaskFragment();
		@@ -2046,6 +2060,10 @@ public class ActivityTaskManagerService extends IActivityTaskManager.Stub {
		true /* updateInputWindows */);
		}
		}
		if (transition != null && !movedToTop) {
		// No order changes and focus-changes, alone, aren't captured in transitions.
		transition.abort();
		}
		}

		@Override