From 7d7e6f3b91697eb8d2b42c1b8407b1def967adef Mon Sep 17 00:00:00 2001
From: wilsonshih <wilsonshih@google.com>
Date: Wed, 1 Feb 2023 07:12:33 +0000
Subject: [PATCH] Defer transition ready when resizing starting window.

Reset the StartingData.mIsDisplayed if the starting window is going
to resizing, so the transition won't happens with no opening windows
drawn.

Bug: 276356396
Test: atest QuickSwitchFromLauncherTest
Test: manual do quick switch 50+ without seeing flikcer.
Change-Id: I1b77c8238ec5a2b9a04c2cf779b49790f5203ce5
(cherry picked from commit d368f2264cc0fa7bed35556fe3176b9e04d2c796)
---
 services/core/java/com/android/server/wm/WindowState.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index 2d849b3a6b95e..4f3ac48d2ca33 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -1543,6 +1543,10 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
                 winAnimator.mDrawState = DRAW_PENDING;
                 if (mActivityRecord != null) {
                     mActivityRecord.clearAllDrawn();
+                    if (mAttrs.type == TYPE_APPLICATION_STARTING
+                            && mActivityRecord.mStartingData != null) {
+                        mActivityRecord.mStartingData.mIsDisplayed = false;
+                    }
                 }
             }
             if (!mWmService.mResizingWindows.contains(this)) {