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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_SYSTEM_CHROMEOS_VIRTUAL_KEYBOARD_VIRTUAL_KEYBOARD_TRAY_H_
      6 #define ASH_SYSTEM_CHROMEOS_VIRTUAL_KEYBOARD_VIRTUAL_KEYBOARD_TRAY_H_
      7 
      8 #include "ash/system/tray/tray_background_view.h"
      9 #include "ash/system/tray_accessibility.h"
     10 #include "ash/system/user/login_status.h"
     11 #include "base/basictypes.h"
     12 #include "ui/views/controls/button/button.h"
     13 
     14 namespace views {
     15 class ImageButton;
     16 }
     17 
     18 namespace ash {
     19 class StatusAreaWidget;
     20 
     21 class VirtualKeyboardTray : public TrayBackgroundView,
     22                             public views::ButtonListener,
     23                             public AccessibilityObserver {
     24  public:
     25   explicit VirtualKeyboardTray(StatusAreaWidget* status_area_widget);
     26   virtual ~VirtualKeyboardTray();
     27 
     28   // TrayBackgroundView:
     29   virtual void SetShelfAlignment(ShelfAlignment alignment) OVERRIDE;
     30   virtual base::string16 GetAccessibleNameForTray() OVERRIDE;
     31   virtual void HideBubbleWithView(
     32       const views::TrayBubbleView* bubble_view) OVERRIDE;
     33   virtual bool ClickedOutsideBubble() OVERRIDE;
     34   virtual bool PerformAction(const ui::Event& event) OVERRIDE;
     35 
     36   // views::ButtonListener:
     37   virtual void ButtonPressed(views::Button* sender,
     38                              const ui::Event& event) OVERRIDE;
     39 
     40   // AccessibilityObserver:
     41   virtual void OnAccessibilityModeChanged(
     42       AccessibilityNotificationVisibility notify) OVERRIDE;
     43 
     44  private:
     45   views::ImageButton* button_;  // Not owned.
     46 
     47   DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardTray);
     48 };
     49 
     50 }  // namespace ash
     51 
     52 #endif  // ASH_SYSTEM_CHROMEOS_VIRTUAL_KEYBOARD_VIRTUAL_KEYBOARD_TRAY_H_
     53