Merge "Fallback to endRelOffset for activity surface offsets" into main
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/transition/DefaultTransitionHandler.java b/libs/WindowManager/Shell/src/com/android/wm/shell/transition/DefaultTransitionHandler.java
index 74e85f8..9adb67c 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/transition/DefaultTransitionHandler.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/transition/DefaultTransitionHandler.java
@@ -507,6 +507,15 @@
final Point animRelOffset = new Point(
change.getEndAbsBounds().left - animRoot.getOffset().x,
change.getEndAbsBounds().top - animRoot.getOffset().y);
+
+ if (change.getActivityComponent() != null) {
+ // For appcompat letterbox: we intentionally report the task-bounds so that we
+ // can animate as-if letterboxes are "part of" the activity. This means we can't
+ // always rely solely on endAbsBounds and need to also max with endRelOffset.
+ animRelOffset.x = Math.max(animRelOffset.x, change.getEndRelOffset().x);
+ animRelOffset.y = Math.max(animRelOffset.y, change.getEndRelOffset().y);
+ }
+
if (change.getActivityComponent() != null && !isActivityLevel) {
// At this point, this is an independent activity change in a non-activity
// transition. This means that an activity transition got erroneously combined