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      1 // Copyright (c) 2013 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_AURA_WINDOW_TARGETER_H_
      6 #define UI_AURA_WINDOW_TARGETER_H_
      7 
      8 #include "ui/aura/aura_export.h"
      9 #include "ui/events/event_targeter.h"
     10 
     11 namespace aura {
     12 
     13 class Window;
     14 
     15 class AURA_EXPORT WindowTargeter : public ui::EventTargeter {
     16  public:
     17   WindowTargeter();
     18   virtual ~WindowTargeter();
     19 
     20  protected:
     21   // ui::EventTargeter:
     22   virtual ui::EventTarget* FindTargetForEvent(ui::EventTarget* root,
     23                                               ui::Event* event) OVERRIDE;
     24   virtual ui::EventTarget* FindTargetForLocatedEvent(
     25       ui::EventTarget* root,
     26       ui::LocatedEvent* event) OVERRIDE;
     27   virtual bool SubtreeCanAcceptEvent(
     28       ui::EventTarget* target,
     29       const ui::LocatedEvent& event) const OVERRIDE;
     30   virtual bool EventLocationInsideBounds(
     31       ui::EventTarget* target,
     32       const ui::LocatedEvent& event) const OVERRIDE;
     33 
     34  private:
     35   Window* FindTargetForKeyEvent(Window* root_window,
     36                                 const ui::KeyEvent& event);
     37   Window* FindTargetInRootWindow(Window* root_window,
     38                                  const ui::LocatedEvent& event);
     39 
     40   DISALLOW_COPY_AND_ASSIGN(WindowTargeter);
     41 };
     42 
     43 }  // namespace aura
     44 
     45 #endif  // UI_AURA_WINDOW_TARGETER_H_
     46