ash: Use different hit-test outer-region for mouse and touch events.

ui/aura/window.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_AURA_WINDOW_H_
 #define UI_AURA_WINDOW_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 218 matching lines @@
   void SetEventFilter(EventFilter* event_filter);
   EventFilter* event_filter() { return event_filter_.get(); }
 
   // Add/remove observer.
   void AddObserver(WindowObserver* observer);
   void RemoveObserver(WindowObserver* observer);
 
   void set_ignore_events(bool ignore_events) { ignore_events_ = ignore_events; }
 
   // Sets the window to grab hits for an area extending -|insets| pixels outside
-  // its bounds. This can be used to create an invisible non- client area, for
+  // its bounds. This can be used to create an invisible non-client area, for
   // example if your windows have no visible frames but still need to have
-  // resize edges.
-  void set_hit_test_bounds_override_outer(const gfx::Insets& insets) {
-    hit_test_bounds_override_outer_ = insets;
+  // resize edges. It is possible to set a larger hit-region for touch-events.
+  void SetHitTestBoundsOverrideOuter(const gfx::Insets& mouse_insets,
+                                     int touch_scale) {
+    hit_test_bounds_override_outer_mouse_ = mouse_insets;
+    hit_test_bounds_override_outer_touch_ = mouse_insets.Scale(touch_scale);
   }
-  gfx::Insets hit_test_bounds_override_outer() const {
-    return hit_test_bounds_override_outer_;
+
+  gfx::Insets hit_test_bounds_override_outer_mouse() const {
+    return hit_test_bounds_override_outer_mouse_;
   }
 
   // Sets the window to grab hits for an area extending |insets| pixels inside
   // its bounds (even if that inner region overlaps a child window). This can be
   // used to create an invisible non-client area that overlaps the client area.
   void set_hit_test_bounds_override_inner(const gfx::Insets& insets) {
     hit_test_bounds_override_inner_ = insets;
   }
   gfx::Insets hit_test_bounds_override_inner() const {
     return hit_test_bounds_override_inner_;
@@ skipping 200 matching lines @@
 
   scoped_ptr<EventFilter> event_filter_;
   scoped_ptr<LayoutManager> layout_manager_;
 
   void* user_data_;
 
   // Makes the window pass all events through to any windows behind it.
   bool ignore_events_;
 
   // See set_hit_test_outer_override().
-  gfx::Insets hit_test_bounds_override_outer_;
+  gfx::Insets hit_test_bounds_override_outer_mouse_;
+  gfx::Insets hit_test_bounds_override_outer_touch_;
   gfx::Insets hit_test_bounds_override_inner_;
 
   ObserverList<WindowObserver> observers_;
 
   // Value struct to keep the name and deallocator for this property.
   // Key cannot be used for this purpose because it can be char* or
   // WindowProperty<>.
   struct Value {
     const char* name;
     intptr_t value;
     PropertyDeallocator deallocator;
   };
 
   std::map<const void*, Value> prop_map_;
 
   DISALLOW_COPY_AND_ASSIGN(Window);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_H_