Include whether in touch mode for WindowlessWindowManager

Fix: 179583920
Fix: 180530717
Test: manually with a windowless button
Change-Id: Ice37c3182a44c6284ffa8950996507025c59270b
Merged-In: Ice37c3182a44c6284ffa8950996507025c59270b
diff --git a/core/java/android/view/WindowlessWindowManager.java b/core/java/android/view/WindowlessWindowManager.java
index 1af4c36..f0006d9 100644
--- a/core/java/android/view/WindowlessWindowManager.java
+++ b/core/java/android/view/WindowlessWindowManager.java
@@ -156,7 +156,10 @@
             mStateForWindow.put(window.asBinder(), state);
         }
 
-        return WindowManagerGlobal.ADD_OKAY | WindowManagerGlobal.ADD_FLAG_APP_VISIBLE;
+        final int res = WindowManagerGlobal.ADD_OKAY | WindowManagerGlobal.ADD_FLAG_APP_VISIBLE;
+
+        // Include whether the window is in touch mode.
+        return isInTouchMode() ? res | WindowManagerGlobal.ADD_FLAG_IN_TOUCH_MODE : res;
     }
 
     /**
@@ -207,6 +210,15 @@
         return !PixelFormat.formatHasAlpha(attrs.format);
     }
 
+    private boolean isInTouchMode() {
+        try {
+            return WindowManagerGlobal.getWindowSession().getInTouchMode();
+        } catch (RemoteException e) {
+            Log.e(TAG, "Unable to check if the window is in touch mode", e);
+        }
+        return false;
+    }
+
     /** @hide */
     protected SurfaceControl getSurfaceControl(View rootView) {
         final ViewRootImpl root = rootView.getViewRootImpl();
@@ -268,7 +280,8 @@
             }
         }
 
-        return 0;
+        // Include whether the window is in touch mode.
+        return isInTouchMode() ? WindowManagerGlobal.RELAYOUT_RES_IN_TOUCH_MODE : 0;
     }
 
     @Override