From a608df0c81c28a664a4dd03bbe04d54ec7859f5e Mon Sep 17 00:00:00 2001
From: Hongwei Wang <hwwang@google.com>
Date: Thu, 6 May 2021 11:55:17 -0700
Subject: [PATCH] Support entering PiP from live tile

When finish the recents animation, send user leave hint if live tile is
currently on. Note that we force the PiP window fades in in this case.

Video: http://recall/-/aaaaaabFQoRHlzixHdtY/bLoRpbgcyZBt1UiQPZEXcF
Bug: 187421300
Test: manual, see video
Change-Id: I07bc307c5eb895cd23b764af92e39ff7e6f8e805
---
 .../src/com/android/quickstep/views/RecentsView.java     | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index a04b886bd4..59588325fd 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -3359,6 +3359,13 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
             return;
         }
 
+        final boolean sendUserLeaveHint = toRecents && LIVE_TILE.get();
+        if (sendUserLeaveHint) {
+            // Notify the SysUI to use fade-in animation when entering PiP from live tile.
+            final SystemUiProxy systemUiProxy = SystemUiProxy.INSTANCE.get(getContext());
+            systemUiProxy.notifySwipeToHomeFinished();
+            systemUiProxy.setShelfHeight(true, mActivity.getDeviceProfile().hotseatBarSizePx);
+        }
         mRecentsAnimationController.finish(toRecents, () -> {
             if (onFinishComplete != null) {
                 onFinishComplete.run();
@@ -3370,7 +3377,7 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
             // taps on QSB (3) user goes back to Overview and launch the most recent task.
             setCurrentTask(-1);
             mRecentsAnimationController = null;
-        });
+        }, sendUserLeaveHint);
     }
 
     public void setDisallowScrollToClearAll(boolean disallowScrollToClearAll) {