Merge "Fixed Task#getVisibility to take into account task hierarchy" into rvc-dev am: 872afaeaeb (def54429) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityManager.java

+2 −0

Original line number	Diff line number	Diff line
		@@ -2791,7 +2791,9 @@ public class ActivityManager {
		@UnsupportedAppUsage
		public boolean visible;
		// Index of the stack in the display's stack list, can be used for comparison of stack order
		// TODO: Can be removed since no one is using it.
		@UnsupportedAppUsage
		@Deprecated
		public int position;
		public WindowContainerToken stackToken;
		/**

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

+2 −2

Original line number	Diff line number	Diff line
		@@ -2183,7 +2183,7 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A

		boolean isInStackLocked() {
		final ActivityStack stack = getRootTask();
		return stack != null && stack.isInStackLocked(this) != null;
		return stack != null && stack.isInTask(this) != null;
		}

		boolean isPersistable() {
		@@ -5588,7 +5588,7 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A

		static ActivityRecord isInStackLocked(IBinder token) {
		final ActivityRecord r = ActivityRecord.forTokenLocked(token);
		return (r != null) ? r.getRootTask().isInStackLocked(r) : null;
		return (r != null) ? r.getRootTask().isInTask(r) : null;
		}

		static ActivityStack getStackLocked(IBinder token) {

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

+1 −214

Original line number	Diff line number	Diff line
		@@ -259,11 +259,9 @@ class ActivityStack extends Task {
		private Rect mTmpRect = new Rect();
		private Rect mTmpRect2 = new Rect();

		/** For Pinned stack controlling. */
		private Rect mTmpToBounds = new Rect();

		/** Detach this stack from its display when animation completes. */
		// TODO: maybe tie this to WindowContainer#removeChild some how...
		// TODO: This is no longer set. Okay to remove or was the set removed by accident?
		private boolean mDeferRemoval;

		// If this is true, we are in the bounds animating mode. The task will be down or upscaled to
		@@ -281,7 +279,6 @@ class ActivityStack extends Task {
		/**
		* For {@link #prepareSurfaces}.
		*/
		private final Rect mTmpDimBoundsRect = new Rect();
		private final Point mLastSurfaceSize = new Point();

		private final AnimatingActivityRegistry mAnimatingActivityRegistry =
		@@ -290,9 +287,6 @@ class ActivityStack extends Task {
		/** Stores the override windowing-mode from before a transient mode change (eg. split) */
		private int mRestoreOverrideWindowingMode = WINDOWING_MODE_UNDEFINED;

		/** List for processing through a set of activities */
		private final ArrayList<ActivityRecord> mTmpActivities = new ArrayList<>();

		private boolean mTopActivityOccludesKeyguard;
		private ActivityRecord mTopDismissingKeyguardActivity;

		@@ -605,9 +599,6 @@ class ActivityStack extends Task {
		final int prevWindowingMode = getWindowingMode();
		final boolean prevIsAlwaysOnTop = isAlwaysOnTop();
		final int prevRotation = getWindowConfiguration().getRotation();
		final int prevDensity = getConfiguration().densityDpi;
		final int prevScreenW = getConfiguration().screenWidthDp;
		final int prevScreenH = getConfiguration().screenHeightDp;
		final Rect newBounds = mTmpRect;
		// Initialize the new bounds by previous bounds as the input and output for calculating
		// override bounds in pinned (pip) or split-screen mode.
		@@ -920,70 +911,6 @@ class ActivityStack extends Task {
		return false;
		}

		ActivityRecord topRunningActivity() {
		return topRunningActivity(false /* focusableOnly */);
		}

		ActivityRecord topRunningActivity(boolean focusableOnly) {
		// Split into 2 to avoid object creation due to variable capture.
		if (focusableOnly) {
		return getActivity((r) -> r.canBeTopRunning() && r.isFocusable());
		} else {
		return getActivity(ActivityRecord::canBeTopRunning);
		}
		}

		private ActivityRecord topRunningNonOverlayTaskActivity() {
		return getActivity((r) -> (r.canBeTopRunning() && !r.isTaskOverlay()));
		}

		ActivityRecord topRunningNonDelayedActivityLocked(ActivityRecord notTop) {
		final PooledPredicate p = PooledLambda.obtainPredicate(ActivityStack::isTopRunningNonDelayed
		, PooledLambda.__(ActivityRecord.class), notTop);
		final ActivityRecord r = getActivity(p);
		p.recycle();
		return r;
		}

		private static boolean isTopRunningNonDelayed(ActivityRecord r, ActivityRecord notTop) {
		return !r.delayedResume && r != notTop && r.canBeTopRunning();
		}

		/**
		* This is a simplified version of topRunningActivity that provides a number of
		* optional skip-over modes. It is intended for use with the ActivityController hook only.
		*
		* @param token If non-null, any history records matching this token will be skipped.
		* @param taskId If non-zero, we'll attempt to skip over records with the same task ID.
		*
		* @return Returns the HistoryRecord of the next activity on the stack.
		*/
		ActivityRecord topRunningActivity(IBinder token, int taskId) {
		final PooledPredicate p = PooledLambda.obtainPredicate(ActivityStack::isTopRunning,
		PooledLambda.__(ActivityRecord.class), taskId, token);
		final ActivityRecord r = getActivity(p);
		p.recycle();
		return r;
		}

		private static boolean isTopRunning(ActivityRecord r, int taskId, IBinder notTop) {
		return r.getTask().mTaskId != taskId && r.appToken != notTop && r.canBeTopRunning();
		}

		ActivityRecord isInStackLocked(ActivityRecord r) {
		if (r == null) {
		return null;
		}
		final Task task = r.getRootTask();
		if (task != null && r.isDescendantOf(task)) {
		if (task != this) Slog.w(TAG, "Illegal state! task does not point to stack it is in. "
		+ "stack=" + this + " task=" + task + " r=" + r
		+ " callers=" + Debug.getCallers(15, "\n"));
		return r;
		}
		return null;
		}

		/** @return true if the stack can only contain one task */
		boolean isSingleTaskInstance() {
		final DisplayContent display = getDisplay();
		@@ -1106,12 +1033,6 @@ class ActivityStack extends Task {
		return isTopActivityFocusable() && shouldBeVisible(null /* starting */);
		}

		@Override
		public boolean isAttached() {
		final TaskDisplayArea taskDisplayArea = getDisplayArea();
		return taskDisplayArea != null && !taskDisplayArea.isRemoved();
		}

		// TODO: Should each user have there own stacks?
		@Override
		void switchUser(int userId) {
		@@ -1462,140 +1383,6 @@ class ActivityStack extends Task {
		return display != null && this == display.getFocusedStack();
		}

		/**
		* Returns true if the stack should be visible.
		*
		* @param starting The currently starting activity or null if there is none.
		*/
		@Override
		boolean shouldBeVisible(ActivityRecord starting) {
		return getVisibility(starting) != STACK_VISIBILITY_INVISIBLE;
		}

		/**
		* Returns true if the stack should be visible.
		*
		* @param starting The currently starting activity or null if there is none.
		*/
		@StackVisibility
		int getVisibility(ActivityRecord starting) {
		if (!isAttached() \|\| isForceHidden()) {
		return STACK_VISIBILITY_INVISIBLE;
		}

		final TaskDisplayArea taskDisplayArea = getDisplayArea();
		boolean gotSplitScreenStack = false;
		boolean gotOpaqueSplitScreenPrimary = false;
		boolean gotOpaqueSplitScreenSecondary = false;
		boolean gotTranslucentFullscreen = false;
		boolean gotTranslucentSplitScreenPrimary = false;
		boolean gotTranslucentSplitScreenSecondary = false;
		boolean shouldBeVisible = true;
		final int windowingMode = getWindowingMode();
		final boolean isAssistantType = isActivityTypeAssistant();
		for (int i = taskDisplayArea.getStackCount() - 1; i >= 0; --i) {
		final ActivityStack other = taskDisplayArea.getStackAt(i);
		final boolean hasRunningActivities = other.topRunningActivity() != null;
		if (other == this) {
		// Should be visible if there is no other stack occluding it, unless it doesn't
		// have any running activities, not starting one and not home stack.
		shouldBeVisible = hasRunningActivities \|\| isInStackLocked(starting) != null
		\|\| isActivityTypeHome();
		break;
		}

		if (!hasRunningActivities) {
		continue;
		}

		final int otherWindowingMode = other.getWindowingMode();

		if (otherWindowingMode == WINDOWING_MODE_FULLSCREEN) {
		// In this case the home stack isn't resizeable even though we are in split-screen
		// mode. We still want the primary splitscreen stack to be visible as there will be
		// a slight hint of it in the status bar area above the non-resizeable home
		// activity. In addition, if the fullscreen assistant is over primary splitscreen
		// stack, the stack should still be visible in the background as long as the recents
		// animation is running.
		final int activityType = other.getActivityType();
		if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY) {
		if (activityType == ACTIVITY_TYPE_HOME
		\|\| (activityType == ACTIVITY_TYPE_ASSISTANT
		&& mWmService.getRecentsAnimationController() != null)) {
		break;
		}
		}
		if (other.isTranslucent(starting)) {
		// Can be visible behind a translucent fullscreen stack.
		gotTranslucentFullscreen = true;
		continue;
		}
		return STACK_VISIBILITY_INVISIBLE;
		} else if (otherWindowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY
		&& !gotOpaqueSplitScreenPrimary) {
		gotSplitScreenStack = true;
		gotTranslucentSplitScreenPrimary = other.isTranslucent(starting);
		gotOpaqueSplitScreenPrimary = !gotTranslucentSplitScreenPrimary;
		if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY
		&& gotOpaqueSplitScreenPrimary) {
		// Can not be visible behind another opaque stack in split-screen-primary mode.
		return STACK_VISIBILITY_INVISIBLE;
		}
		} else if (otherWindowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY
		&& !gotOpaqueSplitScreenSecondary) {
		gotSplitScreenStack = true;
		gotTranslucentSplitScreenSecondary = other.isTranslucent(starting);
		gotOpaqueSplitScreenSecondary = !gotTranslucentSplitScreenSecondary;
		if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY
		&& gotOpaqueSplitScreenSecondary) {
		// Can not be visible behind another opaque stack in split-screen-secondary mode.
		return STACK_VISIBILITY_INVISIBLE;
		}
		}
		if (gotOpaqueSplitScreenPrimary && gotOpaqueSplitScreenSecondary) {
		// Can not be visible if we are in split-screen windowing mode and both halves of
		// the screen are opaque.
		return STACK_VISIBILITY_INVISIBLE;
		}
		if (isAssistantType && gotSplitScreenStack) {
		// Assistant stack can't be visible behind split-screen. In addition to this not
		// making sense, it also works around an issue here we boost the z-order of the
		// assistant window surfaces in window manager whenever it is visible.
		return STACK_VISIBILITY_INVISIBLE;
		}
		}

		if (!shouldBeVisible) {
		return STACK_VISIBILITY_INVISIBLE;
		}

		// Handle cases when there can be a translucent split-screen stack on top.
		switch (windowingMode) {
		case WINDOWING_MODE_FULLSCREEN:
		if (gotTranslucentSplitScreenPrimary \|\| gotTranslucentSplitScreenSecondary) {
		// At least one of the split-screen stacks that covers this one is translucent.
		return STACK_VISIBILITY_VISIBLE_BEHIND_TRANSLUCENT;
		}
		break;
		case WINDOWING_MODE_SPLIT_SCREEN_PRIMARY:
		if (gotTranslucentSplitScreenPrimary) {
		// Covered by translucent primary split-screen on top.
		return STACK_VISIBILITY_VISIBLE_BEHIND_TRANSLUCENT;
		}
		break;
		case WINDOWING_MODE_SPLIT_SCREEN_SECONDARY:
		if (gotTranslucentSplitScreenSecondary) {
		// Covered by translucent secondary split-screen on top.
		return STACK_VISIBILITY_VISIBLE_BEHIND_TRANSLUCENT;
		}
		break;
		}

		// Lastly - check if there is a translucent fullscreen stack on top.
		return gotTranslucentFullscreen ? STACK_VISIBILITY_VISIBLE_BEHIND_TRANSLUCENT
		: STACK_VISIBILITY_VISIBLE;
		}

		/**
		* Make sure that all activities that need to be visible in the stack (that is, they
		* currently can be seen by the user) actually are and update their configuration.

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -4065,7 +4065,7 @@ public class ActivityTaskManagerService extends IActivityTaskManager.Stub {
		return r != null
		&& r.getRootTask() != null
		&& r.inPinnedWindowingMode()
		&& r.getRootTask().isInStackLocked(r) != null;
		&& r.getRootTask().isInTask(r) != null;
		}

		@Override

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

+2 −3

Original line number	Diff line number	Diff line
		@@ -1398,10 +1398,9 @@ class RecentTasks {
		return false;
		}

		// Trim tasks that are in stacks that are behind the home stack
		// Trim tasks that are behind the home task.
		final TaskDisplayArea taskDisplayArea = stack.getDisplayArea();
		return taskDisplayArea.getIndexOf(stack) < taskDisplayArea.getIndexOf(
		taskDisplayArea.getRootHomeTask());
		return task.compareTo(taskDisplayArea.getRootHomeTask()) < 0;
		}

		/** Remove the tasks that user may not be able to return. */