Explicitly call out Home vis change on exiting PiP

Explicitly call HomeTransitionObserver#notifyHomeVisibilityChanged when
exiting PiP to full-screen mode.

Video: http://recall/-/aaaaaabFQoRHlzixHdtY/bDCe5aL9ctHwQWlW9lMvAr
Bug: 340443311
Test: Enter and exit PiP in button navigation mode, tap Recents button
Change-Id: I47c948af54db22305f56e0c95df049e2f87abc3c
(cherry picked from commit 0634ed0dcacb18a9d5b11c88e2a479e986b05ff1)

2 files changed, 10 insertions, 1 deletions

diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/pip/Pip1Module.java b/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/pip/Pip1Module.java
index 1e3d7fb06da2..659be79111c4 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/pip/Pip1Module.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/pip/Pip1Module.java
@@ -60,6 +60,7 @@ import com.android.wm.shell.splitscreen.SplitScreenController;
 import com.android.wm.shell.sysui.ShellCommandHandler;
 import com.android.wm.shell.sysui.ShellController;
 import com.android.wm.shell.sysui.ShellInit;
+import com.android.wm.shell.transition.HomeTransitionObserver;
 import com.android.wm.shell.transition.Transitions;
 
 import dagger.Module;
@@ -192,11 +193,12 @@ public abstract class Pip1Module {
             PipBoundsState pipBoundsState, PipDisplayLayoutState pipDisplayLayoutState,
             PipTransitionState pipTransitionState, PhonePipMenuController pipMenuController,
             PipSurfaceTransactionHelper pipSurfaceTransactionHelper,
+            HomeTransitionObserver homeTransitionObserver,
             Optional<SplitScreenController> splitScreenOptional) {
         return new PipTransition(context, shellInit, shellTaskOrganizer, transitions,
                 pipBoundsState, pipDisplayLayoutState, pipTransitionState, pipMenuController,
                 pipBoundsAlgorithm, pipAnimationController, pipSurfaceTransactionHelper,
-                splitScreenOptional);
+                homeTransitionObserver, splitScreenOptional);
     }
 
     @WMSingleton
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransition.java b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransition.java
index d60f5a631044..79b107997a08 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransition.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransition.java
@@ -76,6 +76,7 @@ import com.android.wm.shell.shared.TransitionUtil;
 import com.android.wm.shell.splitscreen.SplitScreenController;
 import com.android.wm.shell.sysui.ShellInit;
 import com.android.wm.shell.transition.CounterRotatorHelper;
+import com.android.wm.shell.transition.HomeTransitionObserver;
 import com.android.wm.shell.transition.Transitions;
 
 import java.io.PrintWriter;
@@ -108,6 +109,7 @@ public class PipTransition extends PipTransitionController {
     private final PipDisplayLayoutState mPipDisplayLayoutState;
     private final int mEnterExitAnimationDuration;
     private final PipSurfaceTransactionHelper mSurfaceTransactionHelper;
+    private final HomeTransitionObserver mHomeTransitionObserver;
     private final Optional<SplitScreenController> mSplitScreenOptional;
     private final PipAnimationController mPipAnimationController;
     private @PipAnimationController.AnimationType int mEnterAnimationType = ANIM_TYPE_BOUNDS;
@@ -165,6 +167,7 @@ public class PipTransition extends PipTransitionController {
             PipBoundsAlgorithm pipBoundsAlgorithm,
             PipAnimationController pipAnimationController,
             PipSurfaceTransactionHelper pipSurfaceTransactionHelper,
+            HomeTransitionObserver homeTransitionObserver,
             Optional<SplitScreenController> splitScreenOptional) {
         super(shellInit, shellTaskOrganizer, transitions, pipBoundsState, pipMenuController,
                 pipBoundsAlgorithm);
@@ -175,6 +178,7 @@ public class PipTransition extends PipTransitionController {
         mEnterExitAnimationDuration = context.getResources()
                 .getInteger(R.integer.config_pipResizeAnimationDuration);
         mSurfaceTransactionHelper = pipSurfaceTransactionHelper;
+        mHomeTransitionObserver = homeTransitionObserver;
         mSplitScreenOptional = splitScreenOptional;
     }
 
@@ -197,6 +201,9 @@ public class PipTransition extends PipTransitionController {
             animator.cancel();
         }
         mExitTransition = mTransitions.startTransition(type, out, this);
+        if (mPipOrganizer.getOutPipWindowingMode() == WINDOWING_MODE_UNDEFINED) {
+            mHomeTransitionObserver.notifyHomeVisibilityChanged(false /* isVisible */);
+        }
     }
 
     @Override