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Commit bfa82564 authored by Presubmit Automerger Backend's avatar Presubmit Automerger Backend Committed by Winson Chung
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[automerge] Remove the previous animation split tasks container when recreating 2p: ea468e0a 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16692579

Bug: 197919703
Change-Id: I18e70b717a462bdee86093dd63e18f355c72163b
Merged-In: Iad8b9d9a0d75bdaaa2a7255a33208c2c0c3fc25b
parents b910363a ea468e0a

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenController.java

+10 −3
Original line number Diff line number Diff line
@@ -134,6 +134,9 @@ public class SplitScreenController implements DragAndDropPolicy.Starter, 
    private final Provider<Optional<StageTaskUnfoldController>> mUnfoldControllerProvider;



    private StageCoordinator mStageCoordinator;

    // Only used for the legacy recents animation from splitscreen to allow the tasks to be animated

    // outside the bounds of the roots by being reparented into a higher level fullscreen container

    private SurfaceControl mSplitTasksContainerLayer;



    public SplitScreenController(ShellTaskOrganizer shellTaskOrganizer,

            SyncTransactionQueue syncQueue, Context context,
@@ -364,20 +367,24 @@ public class SplitScreenController implements DragAndDropPolicy.Starter, 


    RemoteAnimationTarget[] onGoingToRecentsLegacy(boolean cancel, RemoteAnimationTarget[] apps) {

        if (apps.length < 2) return null;

        SurfaceControl.Transaction transaction = new SurfaceControl.Transaction();

        if (mSplitTasksContainerLayer != null) {

            // Remove the previous layer before recreating

            transaction.remove(mSplitTasksContainerLayer);

        }

        final SurfaceControl.Builder builder = new SurfaceControl.Builder(new SurfaceSession())

                .setContainerLayer()

                .setName("RecentsAnimationSplitTasks")

                .setHidden(false)

                .setCallsite("SplitScreenController#onGoingtoRecentsLegacy");

        mRootTDAOrganizer.attachToDisplayArea(DEFAULT_DISPLAY, builder);

        SurfaceControl sc = builder.build();

        SurfaceControl.Transaction transaction = new SurfaceControl.Transaction();

        mSplitTasksContainerLayer = builder.build();



        // Ensure that we order these in the parent in the right z-order as their previous order

        Arrays.sort(apps, (a1, a2) -> a1.prefixOrderIndex - a2.prefixOrderIndex);

        int layer = 1;

        for (RemoteAnimationTarget appTarget : apps) {

            transaction.reparent(appTarget.leash, sc);

            transaction.reparent(appTarget.leash, mSplitTasksContainerLayer);

            transaction.setPosition(appTarget.leash, appTarget.screenSpaceBounds.left,

                    appTarget.screenSpaceBounds.top);

            transaction.setLayer(appTarget.leash, layer++);