ash/wm/overview/transparent_activate_window_button.h

   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   ~TransparentActivateWindowButton() override;
  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   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
  29
  30  private:
  31   // The transparent window event handler widget itself.
  32   scoped_ptr<views::Widget> event_handler_widget_;
  33
  34   // Pointer to the window that the button activates.
  35   aura::Window* activate_window_;
  36
  37   DISALLOW_COPY_AND_ASSIGN(TransparentActivateWindowButton);
  38 };
  39
  40 }  // namespace ash
  41
  42 #endif  // ASH_WM_OVERVIEW_TRANSPARENT_ACTIVATE_WINDOW_BUTTON_H_