commit 49d525aa2a1c4d9291d544f2c46e512038ac46bc
author Arthur Hung <arthurhung@google.com> Fri Nov 19 15:11:51 2021 +0000
committer Arthur Hung <arthurhung@google.com> Mon Nov 22 05:50:47 2021 +0000
tree 9dbfb3d1f3cc3d670d3b0bf83749816221a1053a
parent 11595687cb64ef66b390deaf9aca9f891423afd5

Let touch region empty if the input bounds is empty

If the input bounds is empty, we should let the touch region empty so
it could prevent receiving touch without valid bounds.

Bug: 204747595
Test: atest InputSurfacesTest
Change-Id: Iee59c437a084ca9db6936af7a4852190169518d9

services/surfaceflinger/Layer.cpp

diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index e2f34fa..e029e7d 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -2213,6 +2213,8 @@
         info.frameRight = 0;
         info.frameBottom = 0;
         info.transform.reset();
+        info.touchableRegion = Region();
+        info.flags = WindowInfo::Flag::NOT_TOUCH_MODAL | WindowInfo::Flag::NOT_FOCUSABLE;
         return;
     }