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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 ASH_WM_OVERVIEW_TRANSPARENT_ACTIVATE_WINDOW_BUTTON_H_
      6 #define ASH_WM_OVERVIEW_TRANSPARENT_ACTIVATE_WINDOW_BUTTON_H_
      7 
      8 #include "base/macros.h"
      9 #include "ui/views/controls/button/button.h"
     10 
     11 namespace ash {
     12 
     13 // Transparent window that covers window selector items and handles mouse and
     14 // gestures on overview mode for them.
     15 class TransparentActivateWindowButton : public views::ButtonListener {
     16  public:
     17   explicit TransparentActivateWindowButton(aura::Window* activate_window);
     18   virtual ~TransparentActivateWindowButton();
     19 
     20   // Sets the bounds of the transparent window.
     21   void SetBounds(const gfx::Rect& bounds);
     22 
     23   // Sends an a11y focus alert so that if chromevox is enabled, the window title
     24   // is read.
     25   void SendFocusAlert() const;
     26 
     27   // views::ButtonListener:
     28   virtual void ButtonPressed(views::Button* sender,
     29                              const ui::Event& event) OVERRIDE;
     30 
     31  private:
     32   // The transparent window event handler widget itself.
     33   scoped_ptr<views::Widget> event_handler_widget_;
     34 
     35   // Pointer to the window that the button activates.
     36   aura::Window* activate_window_;
     37 
     38   DISALLOW_COPY_AND_ASSIGN(TransparentActivateWindowButton);
     39 };
     40 
     41 }  // namespace ash
     42 
     43 #endif  // ASH_WM_OVERVIEW_TRANSPARENT_ACTIVATE_WINDOW_BUTTON_H_
     44