Merge "Keep splitting tasks in the background with shell transition" into udc-dev (026f3296) · Commits · e / os / android_frameworks_base

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

+27 −9

Original line number	Diff line number	Diff line
		@@ -1476,6 +1476,8 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		mSideStage.removeAllTasks(wct, false /* toTop */);
		mMainStage.deactivate(wct, false /* toTop */);
		}
		wct.setReparentLeafTaskIfRelaunch(mRootTaskInfo.token,
		false /* reparentLeafTaskIfRelaunch */);
		}

		private void prepareEnterSplitScreen(WindowContainerTransaction wct) {
		@@ -2327,6 +2329,15 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		// the remote handler.
		return null;
		}

		if ((mMainStage.containsTask(triggerTask.taskId)
		&& mMainStage.getChildCount() == 1)
		\|\| (mSideStage.containsTask(triggerTask.taskId)
		&& mSideStage.getChildCount() == 1)) {
		// A splitting task is opening to fullscreen causes one side of the split empty,
		// so appends operations to exit split.
		prepareExitSplitScreen(STAGE_TYPE_UNDEFINED, out);
		}
		}
		} else {
		if (isOpening && getStageOfTask(triggerTask) != null) {
		@@ -2409,9 +2420,23 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		if (isOpeningType(change.getMode())) {
		// Split is opened by someone so set it as visible.
		setSplitsVisible(true);
		// TODO(b/275664132): Find a way to integrate this with finishWct.
		// This is setting the flag to a task and not interfering with the
		// transition.
		final WindowContainerTransaction wct = new WindowContainerTransaction();
		wct.setReparentLeafTaskIfRelaunch(mRootTaskInfo.token,
		false /* reparentLeafTaskIfRelaunch */);
		mTaskOrganizer.applyTransaction(wct);
		} else if (isClosingType(change.getMode())) {
		// Split is closed by someone so set it as invisible.
		setSplitsVisible(false);
		// TODO(b/275664132): Find a way to integrate this with finishWct.
		// This is setting the flag to a task and not interfering with the
		// transition.
		final WindowContainerTransaction wct = new WindowContainerTransaction();
		wct.setReparentLeafTaskIfRelaunch(mRootTaskInfo.token,
		true /* reparentLeafTaskIfRelaunch */);
		mTaskOrganizer.applyTransaction(wct);
		}
		continue;
		}
		@@ -2812,16 +2837,9 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		}
		}

		// TODO(b/275664132): Remove dismissing split screen here to fit in back-to-split support.
		// Dismiss the split screen if it's not returning to split.
		prepareExitSplitScreen(STAGE_TYPE_UNDEFINED, finishWct);
		for (TransitionInfo.Change change : info.getChanges()) {
		if (change.getTaskInfo() != null && TransitionUtil.isClosingType(change.getMode())) {
		finishT.setCrop(change.getLeash(), null).hide(change.getLeash());
		}
		}
		setSplitsVisible(false);
		setDividerVisibility(false, finishT);
		finishWct.setReparentLeafTaskIfRelaunch(mRootTaskInfo.token,
		true /* reparentLeafTaskIfRelaunch */);
		logExit(EXIT_REASON_UNKNOWN);
		}

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

+5 −1

Original line number	Diff line number	Diff line
		@@ -2909,6 +2909,9 @@ class ActivityStarter {
		private void setTargetRootTaskIfNeeded(ActivityRecord intentActivity) {
		intentActivity.getTaskFragment().clearLastPausedActivity();
		Task intentTask = intentActivity.getTask();
		// The intent task might be reparented while in getOrCreateRootTask, caches the original
		// root task to distinguish if it is moving to front or not.
		final Task origRootTask = intentTask != null ? intentTask.getRootTask() : null;

		if (mTargetRootTask == null) {
		// Update launch target task when it is not indicated.
		@@ -2941,7 +2944,8 @@ class ActivityStarter {
		? null : focusRootTask.topRunningNonDelayedActivityLocked(mNotTop);
		final Task topTask = curTop != null ? curTop.getTask() : null;
		differentTopTask = topTask != intentTask
		\|\| (focusRootTask != null && topTask != focusRootTask.getTopMostTask());
		\|\| (focusRootTask != null && topTask != focusRootTask.getTopMostTask())
		\|\| (focusRootTask != null && focusRootTask != origRootTask);
		} else {
		// The existing task should always be different from those in other displays.
		differentTopTask = true;