Merge "Ensure move-to-back has its own transition." into tm-qpr-dev am: 7c001fabf2 am: d8ef6c921d (a2be6527) · Commits · e / os / android_frameworks_base

data/etc/services.core.protolog.json

+6 −6

Original line number	Diff line number	Diff line
		@@ -163,6 +163,12 @@
		"group": "WM_ERROR",
		"at": "com\/android\/server\/wm\/WindowManagerService.java"
		},
		"-1941440781": {
		"message": "Creating Pending Move-to-back: %s",
		"level": "VERBOSE",
		"group": "WM_DEBUG_WINDOW_TRANSITIONS",
		"at": "com\/android\/server\/wm\/Task.java"
		},
		"-1939861963": {
		"message": "Create root task displayId=%d winMode=%d",
		"level": "VERBOSE",
		@@ -2929,12 +2935,6 @@
		"group": "WM_DEBUG_LOCKTASK",
		"at": "com\/android\/server\/wm\/ActivityTaskManagerService.java"
		},
		"716528224": {
		"message": "Focused window found using wmService.getFocusedWindowLocked()",
		"level": "DEBUG",
		"group": "WM_DEBUG_BACK_PREVIEW",
		"at": "com\/android\/server\/wm\/BackNavigationController.java"
		},
		"726205185": {
		"message": "Moving to DESTROYED: %s (destroy skipped)",
		"level": "VERBOSE",

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

+63 −20

Original line number	Diff line number	Diff line
		@@ -197,6 +197,7 @@ import android.window.WindowContainerToken;
		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.app.IVoiceInteractor;
		import com.android.internal.protolog.ProtoLogGroup;
		import com.android.internal.protolog.common.ProtoLog;
		import com.android.internal.util.XmlUtils;
		import com.android.internal.util.function.pooled.PooledConsumer;
		@@ -5518,23 +5519,10 @@ class Task extends TaskFragment {
		}
		}

		/**
		* Worker method for rearranging history task. Implements the function of moving all
		* activities for a specific task (gathering them if disjoint) into a single group at the
		* bottom of the root task.
		*
		* If a watcher is installed, the action is preflighted and the watcher has an opportunity
		* to premeptively cancel the move.
		*
		* @param tr The task to collect and move to the bottom.
		* @return Returns true if the move completed, false if not.
		*/
		boolean moveTaskToBack(Task tr) {
		Slog.i(TAG, "moveTaskToBack: " + tr);

		private boolean canMoveTaskToBack(Task task) {
		// In LockTask mode, moving a locked task to the back of the root task may expose unlocked
		// ones. Therefore we need to check if this operation is allowed.
		if (!mAtmService.getLockTaskController().canMoveTaskToBack(tr)) {
		if (!mAtmService.getLockTaskController().canMoveTaskToBack(task)) {
		return false;
		}

		@@ -5542,7 +5530,7 @@ class Task extends TaskFragment {
		// for other available tasks, but if none are available, then try again allowing the
		// current task to be selected.
		if (isTopRootTaskInDisplayArea() && mAtmService.mController != null) {
		ActivityRecord next = topRunningActivity(null, tr.mTaskId);
		ActivityRecord next = topRunningActivity(null, task.mTaskId);
		if (next == null) {
		next = topRunningActivity(null, INVALID_TASK_ID);
		}
		@@ -5560,15 +5548,70 @@ class Task extends TaskFragment {
		}
		}
		}
		return true;
		}

		/**
		* Worker method for rearranging history task. Implements the function of moving all
		* activities for a specific task (gathering them if disjoint) into a single group at the
		* bottom of the root task.
		*
		* If a watcher is installed, the action is preflighted and the watcher has an opportunity
		* to premeptively cancel the move.
		*
		* If this is a pinned task, it will be removed instead of rearranged.
		*
		* @param tr The task to collect and move to the bottom.
		* @return Returns true if the move completed, false if not.
		*/
		boolean moveTaskToBack(Task tr) {
		Slog.i(TAG, "moveTaskToBack: " + tr);

		if (!canMoveTaskToBack(tr)) return false;

		if (DEBUG_TRANSITION) Slog.v(TAG_TRANSITION, "Prepare to back transition: task="
		+ tr.mTaskId);

		if (mTransitionController.isShellTransitionsEnabled()) {
		final Transition transition = new Transition(TRANSIT_TO_BACK, 0 /* flags */,
		mTransitionController, mWmService.mSyncEngine);
		// Guarantee that this gets its own transition by queueing on SyncEngine
		if (mWmService.mSyncEngine.hasActiveSync()) {
		ProtoLog.v(ProtoLogGroup.WM_DEBUG_WINDOW_TRANSITIONS,
		"Creating Pending Move-to-back: %s", transition);
		mWmService.mSyncEngine.queueSyncSet(
		() -> mTransitionController.moveToCollecting(transition),
		() -> {
		mTransitionController.requestStartTransition(transition, tr,
		null /* remoteTransition /, null / displayChange */);
		// Need to check again since this happens later and the system might
		// be in a different state.
		if (!canMoveTaskToBack(tr)) {
		Slog.e(TAG, "Failed to move task to back after saying we could: "
		+ tr.mTaskId);
		transition.abort();
		return;
		}
		moveTaskToBackInner(tr);
		});
		} else {
		mTransitionController.moveToCollecting(transition);
		mTransitionController.requestStartTransition(transition, tr,
		null /* remoteTransition /, null / displayChange */);
		moveTaskToBackInner(tr);
		}
		} else {
		// Skip the transition for pinned task.
		if (!inPinnedWindowingMode()) {
		mDisplayContent.requestTransitionAndLegacyPrepare(TRANSIT_TO_BACK, tr);
		mDisplayContent.prepareAppTransition(TRANSIT_TO_BACK);
		}
		moveTaskToBackInner(tr);
		}
		moveToBack("moveTaskToBackLocked", tr);
		return true;
		}

		private boolean moveTaskToBackInner(@NonNull Task task) {
		moveToBack("moveTaskToBackInner", task);

		if (inPinnedWindowingMode()) {
		mTaskSupervisor.removeRootTask(this);