Merge "Don\'t notify windows of resize during PIP animation." into nyc-dev am: 562ea5ceb5

am: 7c98d0211f

* commit '7c98d0211f802c02f06837497f91b5369e01f0bc':
  Don't notify windows of resize during PIP animation.

Change-Id: I1085a939e785491b1252821a61d01345af5bc88b

services/core/java/com/android/server/wm/WindowManagerService.java

@@ -9172,6 +9172,18 @@ public class WindowManagerService extends IWindowManager.Stub
     void updateResizingWindows(final WindowState w) {
         final WindowStateAnimator winAnimator = w.mWinAnimator;
         if (w.mHasSurface && w.mLayoutSeq == mLayoutSeq && !w.isGoneForLayoutLw()) {
+            final Task task = w.getTask();
+            // In the case of stack bound animations, the window frames
+            // will update (unlike other animations which just modifiy
+            // various transformation properties). We don't want to
+            // notify the client of frame changes in this case. Not only
+            // is it a lot of churn, but the frame may not correspond
+            // to the surface size or the onscreen area at various
+            // phases in the animation, and the client will become
+            // sad and confused.
+            if (task != null && task.mStack.getBoundsAnimating()) {
+                return;
+            }
             w.setInsetsChanged();
             boolean configChanged = w.isConfigChanged();
             if (DEBUG_CONFIGURATION && configChanged) {