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Commit aaae99c8 authored by Wei Sheng Shih's avatar Wei Sheng Shih Committed by Automerger Merge Worker
Browse files

Merge "Fix the root task of secondary split screen could be overwritten." into... 

Merge "Fix the root task of secondary split screen could be overwritten." into rvc-dev am: 67a056a9 am: 5406617b am: e89c94f7 am: 0da5bd05

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11716093

Change-Id: I2e56644ccfbb16a8dbcd3f38c754908ce8d49c7c
parents a4d00ccb 0da5bd05

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

+22 −9
Original line number Diff line number Diff line
@@ -1742,21 +1742,23 @@ final class TaskDisplayArea extends DisplayArea<ActivityStack> { 
        // reparenting stack finished.

        // Keep the order from bottom to top.

        int numStacks = getStackCount();



        final boolean splitScreenActivated = toDisplayArea.isSplitScreenModeActivated();

        final ActivityStack rootStack = splitScreenActivated ? toDisplayArea

                .getTopStackInWindowingMode(WINDOWING_MODE_SPLIT_SCREEN_SECONDARY) : null;

        for (int stackNdx = 0; stackNdx < numStacks; stackNdx++) {

            final ActivityStack stack = getStackAt(stackNdx);

            // Always finish non-standard type stacks.

            if (destroyContentOnRemoval || !stack.isActivityTypeStandardOrUndefined()) {

                stack.finishAllActivitiesImmediately();

            } else {

                // If default display is in split-window mode, set windowing mode of the

                // stack to split-screen secondary. Otherwise, set the windowing mode to

                // undefined by default to let stack inherited the windowing mode from the

                // new display.

                final int windowingMode = toDisplayArea.isSplitScreenModeActivated()

                        ? WINDOWING_MODE_SPLIT_SCREEN_SECONDARY

                        : WINDOWING_MODE_UNDEFINED;

                stack.reparent(toDisplayArea, true /* onTop */);

                stack.setWindowingMode(windowingMode);

                // Reparent the stack to the root task of secondary-split-screen or display area.

                stack.reparent(stack.supportsSplitScreenWindowingMode() && rootStack != null

                        ? rootStack : toDisplayArea, POSITION_TOP);



                // Set the windowing mode to undefined by default to let the stack inherited the

                // windowing mode.

                stack.setWindowingMode(WINDOWING_MODE_UNDEFINED);

                lastReparentedStack = stack;

            }

            // Stacks may be removed from this display. Ensure each stack will be processed
@@ -1764,6 +1766,17 @@ final class TaskDisplayArea extends DisplayArea<ActivityStack> { 
            stackNdx -= numStacks - getStackCount();

            numStacks = getStackCount();

        }

        if (lastReparentedStack != null && splitScreenActivated) {

            if (!lastReparentedStack.supportsSplitScreenWindowingMode()) {

                mAtmService.getTaskChangeNotificationController()

                        .notifyActivityDismissingDockedStack();

                toDisplayArea.onSplitScreenModeDismissed(lastReparentedStack);

            } else if (rootStack != null) {

                // update focus

                rootStack.moveToFront("display-removed");

            }

        }



        mRemoved = true;



        return lastReparentedStack;