From 43d59483145433cf54857adcd79acdd31e304243 Mon Sep 17 00:00:00 2001
From: Jerry Chang <chenghsiuchang@google.com>
Date: Wed, 6 Apr 2022 07:21:13 +0000
Subject: [PATCH] Fix wrong touch region of split sreen

To compatable with Ia36d7529 which introduced a single-top root task for
multi-window split, updates space-to fill bounds of letter box to the
task level.

Fix: 227563144
Test: Test: atest WmTests:SizeCompatTests
Test: verify touch region with dumpsys input in multi-window split
Change-Id: I64375f66ce06e47c6c5421d2cd30c1d63f5a47f8
---
 .../core/java/com/android/server/wm/LetterboxUiController.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/services/core/java/com/android/server/wm/LetterboxUiController.java b/services/core/java/com/android/server/wm/LetterboxUiController.java
index 0038c716fee76..c162e8ecadfcd 100644
--- a/services/core/java/com/android/server/wm/LetterboxUiController.java
+++ b/services/core/java/com/android/server/wm/LetterboxUiController.java
@@ -175,7 +175,7 @@ final class LetterboxUiController {
             final Rect spaceToFill = transformedBounds != null
                     ? transformedBounds
                     : mActivityRecord.inMultiWindowMode()
-                            ? mActivityRecord.getRootTask().getBounds()
+                            ? mActivityRecord.getTask().getBounds()
                             : mActivityRecord.getRootTask().getParent().getBounds();
             mLetterbox.layout(spaceToFill, w.getFrame(), mTmpPoint);
         } else if (mLetterbox != null) {