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Commit 563fd65f authored by Tony Huang's avatar Tony Huang Committed by Automerger Merge Worker
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Merge "Handle split to pip if open another fullscreen app case" into udc-dev... 

Merge "Handle split to pip if open another fullscreen app case" into udc-dev am: dbc02d3f am: 58183d66

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23467957



Change-Id: Iae8b7758ade0b244d3bf4c5ed55360f297a78c9e
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 31f5e22a 58183d66

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

+25 −7
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME; 
import static android.app.WindowConfiguration.ACTIVITY_TYPE_RECENTS;

import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;

import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;

import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;

import static android.content.res.Configuration.SMALLEST_SCREEN_WIDTH_DP_UNDEFINED;

import static android.view.Display.DEFAULT_DISPLAY;

import static android.view.RemoteAnimationTarget.MODE_OPENING;
@@ -2406,6 +2407,7 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler, 
                if (change.getMode() == TRANSIT_CHANGE

                        && (change.getFlags() & FLAG_IS_DISPLAY) != 0) {

                    mSplitLayout.update(startTransaction);

                    record.mContainDisplayChange = true;

                }



                final ActivityManager.RunningTaskInfo taskInfo = change.getTaskInfo();
@@ -2435,7 +2437,13 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler, 
                    continue;

                }

                final StageTaskListener stage = getStageOfTask(taskInfo);

                if (stage == null) continue;

                if (stage == null) {

                    if (change.getParent() == null && !isClosingType(change.getMode())

                            && taskInfo.getWindowingMode() == WINDOWING_MODE_PINNED) {

                        record.mContainShowPipChange = true;

                    }

                    continue;

                }

                if (isOpeningType(change.getMode())) {

                    if (!stage.containsTask(taskInfo.taskId)) {

                        Log.w(TAG, "Expected onTaskAppeared on " + stage + " to have been called"
@@ -2450,13 +2458,22 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler, 
                    }

                }

            }

            // If the size of dismissStages == 1, one of the task is closed without prepare pending

            // transition, which could happen if all activities were finished after finish top

            // activity in a task, so the trigger task is null when handleRequest.

            // Note if the size of dismissStages == 2, it's starting a new task, so don't handle it.

            final ArraySet<StageTaskListener> dismissStages = record.getShouldDismissedStage();

            if (mMainStage.getChildCount() == 0 || mSideStage.getChildCount() == 0

            if (!record.mContainDisplayChange && record.mContainShowPipChange) {

                // This occurred when split enter pip by open another fullscreen app so let

                // pip tranistion handler to handle this but also start our dismiss transition.

                // TODO(b/282894249): Should improve this case animation on pip.

                final WindowContainerTransaction wct = new WindowContainerTransaction();

                prepareExitSplitScreen(STAGE_TYPE_UNDEFINED, wct);

                mSplitTransitions.startDismissTransition(wct, this, STAGE_TYPE_UNDEFINED,

                        EXIT_REASON_CHILD_TASK_ENTER_PIP);

            } else if (mMainStage.getChildCount() == 0 || mSideStage.getChildCount() == 0

                    || dismissStages.size() == 1) {

                // If the size of dismissStages == 1, one of the task is closed without prepare

                // pending transition, which could happen if all activities were finished after

                // finish top activity in a task, so the trigger task is null when handleRequest.

                // Note if the size of dismissStages == 2, it's starting a new task,

                // so don't handle it.

                Log.e(TAG, "Somehow removed the last task in a stage outside of a proper "

                        + "transition.");

                final WindowContainerTransaction wct = new WindowContainerTransaction();
@@ -2473,7 +2490,6 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler, 
                // TODO(b/184679596): Find a way to either include task-org information in

                //                    the transition, or synchronize task-org callbacks.

            }



            // Use normal animations.

            return false;

        } else if (mMixedHandler != null && TransitionUtil.hasDisplayChange(info)) {
@@ -2490,6 +2506,8 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler, 
    }



    static class StageChangeRecord {

        boolean mContainDisplayChange = false;

        boolean mContainShowPipChange = false;

        static class StageChange {

            final StageTaskListener mStageTaskListener;

            final IntArray mAddedTaskId = new IntArray();