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1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef UI_WM_CORE_MASKED_WINDOW_TARGETER_H_
6 #define UI_WM_CORE_MASKED_WINDOW_TARGETER_H_
7 
8 #include "ui/aura/window_targeter.h"
9 #include "ui/wm/wm_export.h"
10 
11 namespace gfx {
12 class Path;
13 }
14 
15 namespace wm {
16 
17 class WM_EXPORT MaskedWindowTargeter : public aura::WindowTargeter {
18  public:
19   explicit MaskedWindowTargeter(aura::Window* masked_window);
20   virtual ~MaskedWindowTargeter();
21 
22  protected:
23   // Sets the hit-test mask for |window| in |mask| (in |window|'s local
24   // coordinate system). Returns whether a valid mask has been set in |mask|.
25   virtual bool GetHitTestMask(aura::Window* window, gfx::Path* mask) const = 0;
26 
27   // ui::EventTargeter:
28   virtual bool EventLocationInsideBounds(
29       ui::EventTarget* target,
30       const ui::LocatedEvent& event) const OVERRIDE;
31 
32  private:
33   aura::Window* masked_window_;
34 
35   DISALLOW_COPY_AND_ASSIGN(MaskedWindowTargeter);
36 };
37 
38 }  // namespace wm
39 
40 #endif  // UI_WM_CORE_MASKED_WINDOW_TARGETER_H_
41