Merge "Allowing ListenerView intercept events in system areas" into ub-launcher3-rvc-dev

src/com/android/launcher3/AbstractFloatingView.java

@@ -257,4 +257,8 @@ public abstract class AbstractFloatingView extends LinearLayout implements Touch
             @FloatingViewType int type) {
         return getOpenView(activity, type);
     }
+
+    public boolean canInterceptEventsInSystemGestureRegion() {
+        return false;
+    }
 }

src/com/android/launcher3/views/BaseDragLayer.java

@@ -186,11 +186,12 @@ public abstract class BaseDragLayer<T extends Context & ActivityContext>
                     + ", isEventInLauncher=" + isEventInLauncher(ev)
                     + ", topOpenView=" + AbstractFloatingView.getTopOpenView(mActivity));
         }
-        if (isEventInLauncher(ev)) {
-            AbstractFloatingView topView = AbstractFloatingView.getTopOpenView(mActivity);
-            if (topView != null && topView.onControllerInterceptTouchEvent(ev)) {
-                return topView;
-            }
+
+        AbstractFloatingView topView = AbstractFloatingView.getTopOpenView(mActivity);
+        if (topView != null
+                && (isEventInLauncher(ev) || topView.canInterceptEventsInSystemGestureRegion())
+                && topView.onControllerInterceptTouchEvent(ev)) {
+            return topView;
         }
 
         for (TouchController controller : mControllers) {

src/com/android/launcher3/views/ListenerView.java

@@ -106,4 +106,9 @@ public class ListenerView extends AbstractFloatingView {
         // We want other views to be able to intercept the touch so we return false here.
         return false;
     }
+
+    @Override
+    public boolean canInterceptEventsInSystemGestureRegion() {
+        return true;
+    }
 }