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Remove the previous animation split tasks container when recreating

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Bug: 197919703
Test: Invoke split and swipe up a couple times, ensure the sf dump
      doesn't show multiple lingering split containers layers
Change-Id: Iad8b9d9a0d75bdaaa2a7255a33208c2c0c3fc25b
This commit is contained in:
Winson Chung
2022-01-21 22:46:42 +00:00
parent e21406e972
commit 7fa945fcc9
1 changed files with 10 additions and 3 deletions
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13
libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenController.java
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@@ -137,6 +137,9 @@ 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,
@@ -378,20 +381,24 @@ public class SplitScreenController implements DragAndDropPolicy.Starter,
RemoteAnimationTarget[] onGoingToRecentsLegacy(boolean cancel, RemoteAnimationTarget[] apps) {
if (ENABLE_SHELL_TRANSITIONS || apps.length < 2) return null;
// TODO(b/206487881): Integrate this with shell transition.
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++);