Merge "Schedule PIP mode changes at the beginning/end of the transitions." into oc-dev (11139e91) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/am/ActivityManagerService.java

+3 −2

Original line number	Diff line number	Diff line
		@@ -10535,8 +10535,9 @@ public class ActivityManagerService extends IActivityManager.Stub
		final PinnedActivityStack pinnedStack =
		mStackSupervisor.getStack(PINNED_STACK_ID);
		if (pinnedStack != null) {
		pinnedStack.animateResizePinnedStack(null /* sourceBounds */,
		destBounds, animationDuration);
		pinnedStack.animateResizePinnedStack(null /* sourceHintBounds */,
		destBounds, animationDuration,
		false /* schedulePipModeChangedOnAnimationEnd */);
		}
		} else {
		throw new IllegalArgumentException("Stack: " + stackId

services/core/java/com/android/server/am/ActivityStack.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -588,6 +588,13 @@ class ActivityStack<T extends StackWindowController> extends ConfigurationContai
		true /* includingParents */);
		}

		/**
		* Returns whether to defer the scheduling of the multi-window mode.
		*/
		boolean deferScheduleMultiWindowModeChanged() {
		return false;
		}

		/**
		* Defers updating the bounds of the stack. If the stack was resized/repositioned while
		* deferring, the bounds will update in {@link #continueUpdateBounds()}.

services/core/java/com/android/server/am/ActivityStackSupervisor.java

+10 −7

Original line number	Diff line number	Diff line
		@@ -2504,7 +2504,7 @@ public class ActivityStackSupervisor extends ConfigurationContainer implements D
		// incorrect if AMS.resizeStackWithBoundsFromWindowManager() is already called while waiting
		// for the AMS lock to be freed. So check and make sure these bounds are still good.
		final PinnedStackWindowController stackController = stack.getWindowContainerController();
		if (stackController.pinnedStackResizeAllowed()) {
		if (stackController.pinnedStackResizeDisallowed()) {
		return;
		}

		@@ -2873,7 +2873,7 @@ public class ActivityStackSupervisor extends ConfigurationContainer implements D
		return true;
		}

		void moveActivityToPinnedStackLocked(ActivityRecord r, Rect sourceBounds, float aspectRatio,
		void moveActivityToPinnedStackLocked(ActivityRecord r, Rect sourceHintBounds, float aspectRatio,
		boolean moveHomeStackToFront, String reason) {

		mWindowManager.deferSurfaceLayout();
		@@ -2948,11 +2948,8 @@ public class ActivityStackSupervisor extends ConfigurationContainer implements D
		final Rect destBounds = mWindowManager.getPictureInPictureBounds(DEFAULT_DISPLAY,
		aspectRatio, false /* useExistingStackBounds */);

		// TODO(b/36099777): Schedule the PiP mode change here immediately until we can defer all
		// callbacks until after the bounds animation
		scheduleUpdatePictureInPictureModeIfNeeded(r.getTask(), destBounds, true /* immediate */);

		stack.animateResizePinnedStack(sourceBounds, destBounds, -1 /* animationDuration */);
		stack.animateResizePinnedStack(sourceHintBounds, destBounds, -1 /* animationDuration */,
		true /* schedulePipModeChangedOnAnimationEnd */);
		mService.mTaskChangeNotificationController.notifyActivityPinned(r.packageName);
		}

		@@ -4179,6 +4176,12 @@ public class ActivityStackSupervisor extends ConfigurationContainer implements D
		}

		void scheduleUpdateMultiWindowMode(TaskRecord task) {
		// If the stack is animating in a way where we will be forcing a multi-mode change at the
		// end, then ensure that we defer all in between multi-window mode changes
		if (task.getStack().deferScheduleMultiWindowModeChanged()) {
		return;
		}

		for (int i = task.mActivities.size() - 1; i >= 0; i--) {
		final ActivityRecord r = task.mActivities.get(i);
		if (r.app != null && r.app.thread != null) {

services/core/java/com/android/server/am/PinnedActivityStack.java

+16 −4

Original line number	Diff line number	Diff line
		@@ -43,9 +43,10 @@ class PinnedActivityStack extends ActivityStack<PinnedStackWindowController>
		return new PinnedStackWindowController(mStackId, this, displayId, onTop, outBounds);
		}

		void animateResizePinnedStack(Rect sourceBounds, Rect destBounds, int animationDuration) {
		getWindowContainerController().animateResizePinnedStack(sourceBounds, destBounds,
		animationDuration);
		void animateResizePinnedStack(Rect sourceHintBounds, Rect toBounds, int animationDuration,
		boolean schedulePipModeChangedOnAnimationEnd) {
		getWindowContainerController().animateResizePinnedStack(toBounds, sourceHintBounds,
		animationDuration, schedulePipModeChangedOnAnimationEnd);
		}

		void setPictureInPictureAspectRatio(float aspectRatio) {
		@@ -60,7 +61,18 @@ class PinnedActivityStack extends ActivityStack<PinnedStackWindowController>
		return getWindowContainerController().isAnimatingBoundsToFullscreen();
		}

		@Override
		/**
		* Returns whether to defer the scheduling of the multi-window mode.
		*/
		boolean deferScheduleMultiWindowModeChanged() {
		// For the pinned stack, the deferring of the multi-window mode changed is tied to the
		// transition animation into picture-in-picture, and is called once the animation completes,
		// or is interrupted in a way that would leave the stack in a non-fullscreen state.
		// @see BoundsAnimationController
		// @see BoundsAnimationControllerTests
		return mWindowContainerController.deferScheduleMultiWindowModeChanged();
		}

		public void updatePictureInPictureModeForPinnedStackAnimation(Rect targetStackBounds) {
		// It is guaranteed that the activities requiring the update will be in the pinned stack at
		// this point (either reparented before the animation into PiP, or before reparenting after

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

+115 −116

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;

		import android.animation.Animator;
		import android.animation.ValueAnimator;
		import android.annotation.IntDef;
		import android.content.Context;
		import android.graphics.Rect;
		import android.os.Handler;
		@@ -35,6 +36,9 @@ import android.view.WindowManagerInternal;

		import com.android.internal.annotations.VisibleForTesting;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;

		/**
		* Enables animating bounds of objects.
		*
		@@ -43,7 +47,7 @@ import com.android.internal.annotations.VisibleForTesting;
		* relaunching it would cause poorer experience), these class provides a way to directly animate
		* the bounds of the resized object.
		*
		* The object that is resized needs to implement {@link AnimateBoundsUser} interface.
		* The object that is resized needs to implement {@link BoundsAnimationTarget} interface.
		*
		* NOTE: All calls to methods in this class should be done on the UI thread
		*/
		@@ -56,8 +60,19 @@ public class BoundsAnimationController {

		private static final int DEFAULT_TRANSITION_DURATION = 425;

		@Retention(RetentionPolicy.SOURCE)
		@IntDef({NO_PIP_MODE_CHANGED_CALLBACKS, SCHEDULE_PIP_MODE_CHANGED_ON_START,
		SCHEDULE_PIP_MODE_CHANGED_ON_END})
		public @interface SchedulePipModeChangedState {}
		/** Do not schedule any PiP mode changed callbacks as a part of this animation. */
		public static final int NO_PIP_MODE_CHANGED_CALLBACKS = 0;
		/** Schedule a PiP mode changed callback when this animation starts. */
		public static final int SCHEDULE_PIP_MODE_CHANGED_ON_START = 1;
		/** Schedule a PiP mode changed callback when this animation ends. */
		public static final int SCHEDULE_PIP_MODE_CHANGED_ON_END = 2;

		// Only accessed on UI thread.
		private ArrayMap<AnimateBoundsUser, BoundsAnimator> mRunningAnimations = new ArrayMap<>();
		private ArrayMap<BoundsAnimationTarget, BoundsAnimator> mRunningAnimations = new ArrayMap<>();

		private final class AppTransitionNotifier
		extends WindowManagerInternal.AppTransitionListener implements Runnable {
		@@ -108,40 +123,42 @@ public class BoundsAnimationController {
		@VisibleForTesting
		final class BoundsAnimator extends ValueAnimator
		implements ValueAnimator.AnimatorUpdateListener, ValueAnimator.AnimatorListener {
		private final AnimateBoundsUser mTarget;
		private final BoundsAnimationTarget mTarget;
		private final Rect mFrom = new Rect();
		private final Rect mTo = new Rect();
		private final Rect mTmpRect = new Rect();
		private final Rect mTmpTaskBounds = new Rect();
		private final boolean mMoveToFullScreen;
		// True if this this animation was cancelled and will be replaced the another animation from
		// the same {@link #AnimateBoundsUser} target.

		// True if this this animation was canceled and will be replaced the another animation from
		// the same {@link #BoundsAnimationTarget} target.
		private boolean mSkipFinalResize;
		// True if this animation replaced a previous animation of the same
		// {@link #AnimateBoundsUser} target.
		// {@link #BoundsAnimationTarget} target.
		private final boolean mSkipAnimationStart;
		// True if this animation was cancelled by the user, not as a part of a replacing animation
		// True if this animation was canceled by the user, not as a part of a replacing animation
		private boolean mSkipAnimationEnd;
		// True if this animation is not replacing a previous animation, or if the previous
		// animation is animating to a different fullscreen state than the current animation.
		// We use this to ensure that we always provide a consistent set/order of callbacks when we
		// transition to/from PiP.
		private final boolean mAnimatingToNewFullscreenState;
		// True if the animation target should be moved to the fullscreen stack at the end of this
		// animation
		private boolean mMoveToFullscreen;

		// Whether to schedule PiP mode changes on animation start/end
		private @SchedulePipModeChangedState int mSchedulePipModeChangedState;

		// Depending on whether we are animating from
		// a smaller to a larger size
		private final int mFrozenTaskWidth;
		private final int mFrozenTaskHeight;

		BoundsAnimator(AnimateBoundsUser target, Rect from, Rect to, boolean moveToFullScreen,
		boolean replacingExistingAnimation, boolean animatingToNewFullscreenState) {
		BoundsAnimator(BoundsAnimationTarget target, Rect from, Rect to,
		@SchedulePipModeChangedState int schedulePipModeChangedState,
		boolean moveToFullscreen, boolean replacingExistingAnimation) {
		super();
		mTarget = target;
		mFrom.set(from);
		mTo.set(to);
		mMoveToFullScreen = moveToFullScreen;
		mSkipAnimationStart = replacingExistingAnimation;
		mAnimatingToNewFullscreenState = animatingToNewFullscreenState;
		mSchedulePipModeChangedState = schedulePipModeChangedState;
		mMoveToFullscreen = moveToFullscreen;
		addUpdateListener(this);
		addListener(this);

		@@ -161,7 +178,8 @@ public class BoundsAnimationController {
		@Override
		public void onAnimationStart(Animator animation) {
		if (DEBUG) Slog.d(TAG, "onAnimationStart: mTarget=" + mTarget
		+ " mSkipAnimationStart=" + mSkipAnimationStart);
		+ " mSkipAnimationStart=" + mSkipAnimationStart
		+ " mSchedulePipModeChangedState=" + mSchedulePipModeChangedState);
		mFinishAnimationAfterTransition = false;
		mTmpRect.set(mFrom.left, mFrom.top, mFrom.left + mFrozenTaskWidth,
		mFrom.top + mFrozenTaskHeight);
		@@ -170,13 +188,8 @@ public class BoundsAnimationController {
		// we trigger any size changes, so it can swap surfaces
		// in to appropriate modes, or do as it wishes otherwise.
		if (!mSkipAnimationStart) {
		mTarget.onAnimationStart(mMoveToFullScreen);
		}

		// If we are animating to a new fullscreen state (either to/from fullscreen), then
		// notify the target of the change with the new frozen task bounds
		if (mAnimatingToNewFullscreenState && mMoveToFullScreen) {
		mTarget.updatePictureInPictureMode(null);
		mTarget.onAnimationStart(mSchedulePipModeChangedState ==
		SCHEDULE_PIP_MODE_CHANGED_ON_START);
		}

		// Immediately update the task bounds if they have to become larger, but preserve
		@@ -206,20 +219,26 @@ public class BoundsAnimationController {
		// any further animation.
		if (DEBUG) Slog.d(TAG, "animateUpdate: cancelled");

		// If we have already scheduled a PiP mode changed at the start of the animation,
		// then we need to clean up and schedule one at the end, since we have canceled the
		// animation to the final state.
		if (mSchedulePipModeChangedState == SCHEDULE_PIP_MODE_CHANGED_ON_START) {
		mSchedulePipModeChangedState = SCHEDULE_PIP_MODE_CHANGED_ON_END;
		}

		// Since we are cancelling immediately without a replacement animation, send the
		// animation end to maintain callback parity, but also skip any further resizes
		prepareCancel(false /* skipAnimationEnd /, true / skipFinalResize */);
		cancel();
		cancelAndCallAnimationEnd();
		}
		}

		@Override
		public void onAnimationEnd(Animator animation) {
		if (DEBUG) Slog.d(TAG, "onAnimationEnd: mTarget=" + mTarget
		+ " mMoveToFullScreen=" + mMoveToFullScreen
		+ " mSkipFinalResize=" + mSkipFinalResize
		+ " mFinishAnimationAfterTransition=" + mFinishAnimationAfterTransition
		+ " mAppTransitionIsRunning=" + mAppTransition.isRunning());
		+ " mAppTransitionIsRunning=" + mAppTransition.isRunning()
		+ " callers=" + Debug.getCallers(2));

		// There could be another animation running. For example in the
		// move to fullscreen case, recents will also be closing while the
		@@ -231,58 +250,57 @@ public class BoundsAnimationController {
		return;
		}

		if (!mSkipFinalResize) {
		// If not cancelled, resize the pinned stack to the final size. All calls to
		// setPinnedStackSize() must be done between onAnimationStart() and onAnimationEnd()
		mTarget.setPinnedStackSize(mTo, null);
		if (!mSkipAnimationEnd) {
		// If this animation has already scheduled the picture-in-picture mode on start, and
		// we are not skipping the final resize due to being canceled, then move the PiP to
		// fullscreen once the animation ends
		if (DEBUG) Slog.d(TAG, "onAnimationEnd: mTarget=" + mTarget
		+ " moveToFullscreen=" + mMoveToFullscreen);
		mTarget.onAnimationEnd(mSchedulePipModeChangedState ==
		SCHEDULE_PIP_MODE_CHANGED_ON_END, !mSkipFinalResize ? mTo : null,
		mMoveToFullscreen);
		}

		finishAnimation();

		if (mMoveToFullScreen && !mSkipFinalResize) {
		mTarget.moveToFullscreen();
		}
		// Clean up this animation
		removeListener(this);
		removeUpdateListener(this);
		mRunningAnimations.remove(mTarget);
		}

		@Override
		public void onAnimationCancel(Animator animation) {
		finishAnimation();
		// Always skip the final resize when the animation is canceled
		mSkipFinalResize = true;
		mMoveToFullscreen = false;
		}

		public void prepareCancel(boolean skipAnimationEnd, boolean skipFinalResize) {
		if (DEBUG) Slog.d(TAG, "prepareCancel: skipAnimationEnd=" + skipAnimationEnd
		+ " skipFinalResize=" + skipFinalResize);
		mSkipAnimationEnd = skipAnimationEnd;
		mSkipFinalResize = skipFinalResize;
		private void cancelAndCallAnimationEnd() {
		if (DEBUG) Slog.d(TAG, "cancelAndCallAnimationEnd: mTarget=" + mTarget);
		mSkipAnimationEnd = false;
		super.cancel();
		}

		@Override
		public void cancel() {
		if (DEBUG) Slog.d(TAG, "cancel: mTarget=" + mTarget);
		mSkipAnimationEnd = true;
		super.cancel();
		}

		/** Returns true if the animation target is the same as the input bounds. */
		/**
		* @return true if the animation target is the same as the input bounds.
		*/
		boolean isAnimatingTo(Rect bounds) {
		return mTo.equals(bounds);
		}

		private boolean animatingToLargerSize() {
		if (mFrom.width() * mFrom.height() > mTo.width() * mTo.height()) {
		return false;
		}
		return true;
		}

		private void finishAnimation() {
		if (DEBUG) Slog.d(TAG, "finishAnimation: mTarget=" + mTarget
		+ " callers" + Debug.getCallers(2));
		if (!mSkipAnimationEnd) {
		mTarget.onAnimationEnd();
		}
		removeListener(this);
		removeUpdateListener(this);
		mRunningAnimations.remove(mTarget);
		/**
		* @return true if we are animating to a larger surface size
		*/
		@VisibleForTesting
		boolean animatingToLargerSize() {
		// TODO: Fix this check for aspect ratio changes
		return (mFrom.width() * mFrom.height() <= mTo.width() * mTo.height());
		}

		@Override
		@@ -291,63 +309,23 @@ public class BoundsAnimationController {
		}
		}

		public interface AnimateBoundsUser {
		/**
		* Sets the size of the target (without any intermediate steps, like scheduling animation)
		* but freezes the bounds of any tasks in the target at taskBounds,
		* to allow for more flexibility during resizing. Only works for the pinned stack at the
		* moment.
		*
		* @return Whether the target should continue to be animated and this call was successful.
		* If false, the animation will be cancelled because the user has determined that the
		* animation is now invalid and not required. In such a case, the cancel will trigger the
		* animation end callback as well, but will not send any further size changes.
		*/
		boolean setPinnedStackSize(Rect bounds, Rect taskBounds);

		/**
		* Callback for the target to inform it that the animation has started, so it can do some
		* necessary preparation.
		*/
		void onAnimationStart(boolean toFullscreen);

		/**
		* Callback for the target to inform it that the animation is going to a new fullscreen
		* state and should update the picture-in-picture mode accordingly.
		*
		* @param targetStackBounds the target stack bounds we are animating to, can be null if
		* we are animating to fullscreen
		*/
		void updatePictureInPictureMode(Rect targetStackBounds);

		/**
		* Callback for the target to inform it that the animation has ended, so it can do some
		* necessary cleanup.
		*/
		void onAnimationEnd();

		/**
		* Callback for the target to inform it to reparent to the fullscreen stack.
		*/
		void moveToFullscreen();
		}

		public void animateBounds(final AnimateBoundsUser target, Rect from, Rect to,
		int animationDuration, boolean moveToFullscreen) {
		animateBoundsImpl(target, from, to, animationDuration, moveToFullscreen);
		public void animateBounds(final BoundsAnimationTarget target, Rect from, Rect to,
		int animationDuration, @SchedulePipModeChangedState int schedulePipModeChangedState,
		boolean moveToFullscreen) {
		animateBoundsImpl(target, from, to, animationDuration, schedulePipModeChangedState,
		moveToFullscreen);
		}

		@VisibleForTesting
		BoundsAnimator animateBoundsImpl(final AnimateBoundsUser target, Rect from, Rect to,
		int animationDuration, boolean moveToFullscreen) {
		BoundsAnimator animateBoundsImpl(final BoundsAnimationTarget target, Rect from, Rect to,
		int animationDuration, @SchedulePipModeChangedState int schedulePipModeChangedState,
		boolean moveToFullscreen) {
		final BoundsAnimator existing = mRunningAnimations.get(target);
		final boolean replacing = existing != null;
		final boolean animatingToNewFullscreenState = (existing == null) \|\|
		(existing.mMoveToFullScreen != moveToFullscreen);

		if (DEBUG) Slog.d(TAG, "animateBounds: target=" + target + " from=" + from + " to=" + to
		+ " moveToFullscreen=" + moveToFullscreen + " replacing=" + replacing
		+ " animatingToNewFullscreenState=" + animatingToNewFullscreenState);
		+ " schedulePipModeChangedState=" + schedulePipModeChangedState
		+ " replacing=" + replacing);

		if (replacing) {
		if (existing.isAnimatingTo(to)) {
		@@ -355,15 +333,36 @@ public class BoundsAnimationController {
		// one we are trying to start.
		if (DEBUG) Slog.d(TAG, "animateBounds: same destination as existing=" + existing
		+ " ignoring...");

		return existing;
		}
		// Since we are replacing, we skip both animation start and end callbacks, and don't
		// animate to the final bounds when cancelling
		existing.prepareCancel(true /* skipAnimationEnd /, true / skipFinalResize */);

		// Update the PiP callback states if we are replacing the animation
		if (existing.mSchedulePipModeChangedState == SCHEDULE_PIP_MODE_CHANGED_ON_START) {
		if (schedulePipModeChangedState == SCHEDULE_PIP_MODE_CHANGED_ON_START) {
		if (DEBUG) Slog.d(TAG, "animateBounds: still animating to fullscreen, keep"
		+ " existing deferred state");
		} else {
		if (DEBUG) Slog.d(TAG, "animateBounds: fullscreen animation canceled, callback"
		+ " on start already processed, schedule deferred update on end");
		schedulePipModeChangedState = SCHEDULE_PIP_MODE_CHANGED_ON_END;
		}
		} else if (existing.mSchedulePipModeChangedState == SCHEDULE_PIP_MODE_CHANGED_ON_END) {
		if (schedulePipModeChangedState == SCHEDULE_PIP_MODE_CHANGED_ON_START) {
		if (DEBUG) Slog.d(TAG, "animateBounds: non-fullscreen animation canceled,"
		+ " callback on start will be processed");
		} else {
		if (DEBUG) Slog.d(TAG, "animateBounds: still animating from fullscreen, keep"
		+ " existing deferred state");
		schedulePipModeChangedState = SCHEDULE_PIP_MODE_CHANGED_ON_END;
		}
		}

		// Since we are replacing, we skip both animation start and end callbacks
		existing.cancel();
		}
		final BoundsAnimator animator = new BoundsAnimator(target, from, to, moveToFullscreen,
		replacing, animatingToNewFullscreenState);
		final BoundsAnimator animator = new BoundsAnimator(target, from, to,
		schedulePipModeChangedState, moveToFullscreen, replacing);
		mRunningAnimations.put(target, animator);
		animator.setFloatValues(0f, 1f);
		animator.setDuration((animationDuration != -1 ? animationDuration