Merge "Fix split dismissed after click pip to split button" into sc-v2-dev am: 6a2ce827e2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16235342

Change-Id: I8adcf7ea0f04b81975588e4535db6d0cf161948b

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

@@ -87,6 +87,12 @@ public interface SplitScreen {
      */
     void onKeyguardVisibilityChanged(boolean showing);
 
+    /** Called when device waking up finished. */
+    void onFinishedWakingUp();
+
+    /** Called when device going to sleep finished. */
+    void onFinishedGoingToSleep();
+
     /** Get a string representation of a stage type */
     static String stageTypeToString(@StageType int stage) {
         switch (stage) {

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

@@ -232,6 +232,14 @@ public class SplitScreenController implements DragAndDropPolicy.Starter,
         mStageCoordinator.onKeyguardVisibilityChanged(showing);
     }
 
+    public void onFinishedWakingUp() {
+        mStageCoordinator.onFinishedWakingUp();
+    }
+
+    public void onFinishedGoingToSleep() {
+        mStageCoordinator.onFinishedGoingToSleep();
+    }
+
     public void exitSplitScreenOnHide(boolean exitSplitScreenOnHide) {
         mStageCoordinator.exitSplitScreenOnHide(exitSplitScreenOnHide);
     }
@@ -491,6 +499,20 @@ public class SplitScreenController implements DragAndDropPolicy.Starter,
                 SplitScreenController.this.onKeyguardVisibilityChanged(showing);
             });
         }
+
+        @Override
+        public void onFinishedWakingUp() {
+            mMainExecutor.execute(() -> {
+                SplitScreenController.this.onFinishedWakingUp();
+            });
+        }
+
+        @Override
+        public void onFinishedGoingToSleep() {
+            mMainExecutor.execute(() -> {
+                SplitScreenController.this.onFinishedGoingToSleep();
+            });
+        }
     }
 
     /**

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

@@ -155,6 +155,7 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
     private boolean mShouldUpdateRecents;
     private boolean mExitSplitScreenOnHide;
     private boolean mKeyguardOccluded;
+    private boolean mDeviceSleep;
 
     @SplitScreen.StageType
     private int mDismissTop = NO_DISMISS;
@@ -547,6 +548,17 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
         }
     }
 
+    void onFinishedWakingUp() {
+        if (mMainStage.isActive()) {
+            exitSplitScreenIfKeyguardOccluded();
+        }
+        mDeviceSleep = false;
+    }
+
+    void onFinishedGoingToSleep() {
+        mDeviceSleep = true;
+    }
+
     void exitSplitScreenOnHide(boolean exitSplitScreenOnHide) {
         mExitSplitScreenOnHide = exitSplitScreenOnHide;
     }
@@ -575,6 +587,19 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
         applyExitSplitScreen(childrenToTop, wct, exitReason);
     }
 
+    private void exitSplitScreenIfKeyguardOccluded() {
+        final boolean mainStageVisible = mMainStageListener.mVisible;
+        final boolean oneStageVisible = mainStageVisible ^ mSideStageListener.mVisible;
+        if (mDeviceSleep && mKeyguardOccluded && oneStageVisible) {
+            // Only the stages include show-when-locked activity is visible while keyguard occluded.
+            // Dismiss split because there's show-when-locked activity showing on top of keyguard.
+            // Also make sure the task contains show-when-locked activity remains on top after split
+            // dismissed.
+            final StageTaskListener toTop = mainStageVisible ? mMainStage : mSideStage;
+            exitSplitScreen(toTop, EXIT_REASON_SCREEN_LOCKED_SHOW_ON_TOP);
+        }
+    }
+
     private void applyExitSplitScreen(StageTaskListener childrenToTop,
             WindowContainerTransaction wct, @ExitReason int exitReason) {
         mRecentTasks.ifPresent(recentTasks -> {
@@ -790,14 +815,8 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
             // like the cases keyguard showing or screen off.
                 exitSplitScreen(null /* childrenToTop */, EXIT_REASON_RETURN_HOME);
             }
-        } else if (mKeyguardOccluded) {
-            // At least one of the stages is visible while keyguard occluded. Dismiss split because
-            // there's show-when-locked activity showing on top of keyguard. Also make sure the
-            // task contains show-when-locked activity remains on top after split dismissed.
-            final StageTaskListener toTop =
-                    mainStageVisible ? mMainStage : (sideStageVisible ? mSideStage : null);
-            exitSplitScreen(toTop, EXIT_REASON_SCREEN_LOCKED_SHOW_ON_TOP);
         }
+        exitSplitScreenIfKeyguardOccluded();
 
         mSyncQueue.runInSync(t -> {
             // Same above, we only set root tasks and divider leash visibility when both stage

packages/SystemUI/src/com/android/systemui/wmshell/WMShell.java

@@ -260,6 +260,18 @@ public final class WMShell extends SystemUI
             }
         };
         mKeyguardUpdateMonitor.registerCallback(mSplitScreenKeyguardCallback);
+
+        mWakefulnessLifecycle.addObserver(new WakefulnessLifecycle.Observer() {
+            @Override
+            public void onFinishedWakingUp() {
+                splitScreen.onFinishedWakingUp();
+            }
+
+            @Override
+            public void onFinishedGoingToSleep() {
+                splitScreen.onFinishedGoingToSleep();
+            }
+        });
     }
 
     @VisibleForTesting