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Merge "Reduce flicker when split pair switching" into tm-qpr-dev

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This commit is contained in:
Tony Huang
2022-09-20 03:12:05 +00:00
committed by Android (Google) Code Review
parent 2dbb6cb421 15bbf37379
commit 1c2c0b5258
1 changed files with 45 additions and 32 deletions
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77
libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenController.java
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@@ -154,7 +154,8 @@ public class SplitScreenController implements DragAndDropPolicy.Starter,
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;
private SurfaceControl mGoingToRecentsTasksLayer;
private SurfaceControl mStartingSplitTasksLayer;
public SplitScreenController(Context context,
ShellInit shellInit,
@@ -509,19 +510,53 @@ public class SplitScreenController implements DragAndDropPolicy.Starter,
}
RemoteAnimationTarget[] onGoingToRecentsLegacy(RemoteAnimationTarget[] apps) {
if (ENABLE_SHELL_TRANSITIONS) return null;
if (isSplitScreenVisible()) {
// Evict child tasks except the top visible one under split root to ensure it could be
// launched as full screen when switching to it on recents.
final WindowContainerTransaction wct = new WindowContainerTransaction();
mStageCoordinator.prepareEvictInvisibleChildTasks(wct);
mSyncQueue.queue(wct);
} else {
return null;
}
return reparentSplitTasksForAnimation(apps, false /* enterSplitScreen */);
SurfaceControl.Transaction t = mTransactionPool.acquire();
if (mGoingToRecentsTasksLayer != null) {
t.remove(mGoingToRecentsTasksLayer);
}
mGoingToRecentsTasksLayer = reparentSplitTasksForAnimation(apps, t,
"SplitScreenController#onGoingToRecentsLegacy" /* callsite */);
t.apply();
mTransactionPool.release(t);
return new RemoteAnimationTarget[]{mStageCoordinator.getDividerBarLegacyTarget()};
}
RemoteAnimationTarget[] onStartingSplitLegacy(RemoteAnimationTarget[] apps) {
if (ENABLE_SHELL_TRANSITIONS) return null;
int openingApps = 0;
for (int i = 0; i < apps.length; ++i) {
if (apps[i].mode == MODE_OPENING) openingApps++;
}
if (openingApps < 2) {
// Not having enough apps to enter split screen
return null;
}
SurfaceControl.Transaction t = mTransactionPool.acquire();
if (mStartingSplitTasksLayer != null) {
t.remove(mStartingSplitTasksLayer);
}
mStartingSplitTasksLayer = reparentSplitTasksForAnimation(apps, t,
"SplitScreenController#onStartingSplitLegacy" /* callsite */);
t.apply();
mTransactionPool.release(t);
try {
return reparentSplitTasksForAnimation(apps, true /* enterSplitScreen */);
return new RemoteAnimationTarget[]{mStageCoordinator.getDividerBarLegacyTarget()};
} finally {
for (RemoteAnimationTarget appTarget : apps) {
if (appTarget.leash != null) {
@@ -531,45 +566,23 @@ public class SplitScreenController implements DragAndDropPolicy.Starter,
}
}
private RemoteAnimationTarget[] reparentSplitTasksForAnimation(RemoteAnimationTarget[] apps,
boolean enterSplitScreen) {
if (ENABLE_SHELL_TRANSITIONS) return null;
if (enterSplitScreen) {
int openingApps = 0;
for (int i = 0; i < apps.length; ++i) {
if (apps[i].mode == MODE_OPENING) openingApps++;
}
if (openingApps < 2) {
// Not having enough apps to enter split screen
return null;
}
} else if (!isSplitScreenVisible()) {
return null;
}
final SurfaceControl.Transaction transaction = mTransactionPool.acquire();
if (mSplitTasksContainerLayer != null) {
// Remove the previous layer before recreating
transaction.remove(mSplitTasksContainerLayer);
}
private SurfaceControl reparentSplitTasksForAnimation(RemoteAnimationTarget[] apps,
SurfaceControl.Transaction t, String callsite) {
final SurfaceControl.Builder builder = new SurfaceControl.Builder(new SurfaceSession())
.setContainerLayer()
.setName("RecentsAnimationSplitTasks")
.setHidden(false)
.setCallsite("SplitScreenController#onGoingtoRecentsLegacy");
.setCallsite(callsite);
mRootTDAOrganizer.attachToDisplayArea(DEFAULT_DISPLAY, builder);
mSplitTasksContainerLayer = builder.build();
final SurfaceControl splitTasksLayer = builder.build();
for (int i = 0; i < apps.length; ++i) {
final RemoteAnimationTarget appTarget = apps[i];
transaction.reparent(appTarget.leash, mSplitTasksContainerLayer);
transaction.setPosition(appTarget.leash, appTarget.screenSpaceBounds.left,
t.reparent(appTarget.leash, splitTasksLayer);
t.setPosition(appTarget.leash, appTarget.screenSpaceBounds.left,
appTarget.screenSpaceBounds.top);
}
transaction.apply();
mTransactionPool.release(transaction);
return new RemoteAnimationTarget[]{mStageCoordinator.getDividerBarLegacyTarget()};
return splitTasksLayer;
}
/**
* Sets drag info to be logged when splitscreen is entered.