| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef ASH_SYSTEM_TRAY_ACCESSIBILITY_H_ |
| #define ASH_SYSTEM_TRAY_ACCESSIBILITY_H_ |
| |
| #include "ash/system/tray/tray_image_item.h" |
| |
| namespace views { |
| class ImageView; |
| class View; |
| } |
| |
| namespace ash { |
| |
| class ASH_EXPORT AccessibilityObserver { |
| public: |
| virtual ~AccessibilityObserver() {} |
| |
| // Notifies when accessibilty mode changes. |
| virtual void OnAccessibilityModeChanged(bool enabled) = 0; |
| }; |
| |
| namespace internal { |
| |
| class TrayAccessibility : public TrayImageItem, |
| public AccessibilityObserver { |
| public: |
| TrayAccessibility(); |
| virtual ~TrayAccessibility(); |
| |
| private: |
| // Overridden from TrayImageItem. |
| virtual bool GetInitialVisibility() OVERRIDE; |
| virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE; |
| virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE; |
| virtual void DestroyDefaultView() OVERRIDE; |
| virtual void DestroyDetailedView() OVERRIDE; |
| |
| // Overridden from AccessibilityObserver. |
| virtual void OnAccessibilityModeChanged(bool enabled) OVERRIDE; |
| |
| views::View* default_; |
| views::View* detailed_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TrayAccessibility); |
| }; |
| |
| } // namespace internal |
| } // namespace ash |
| |
| #endif // ASH_SYSTEM_TRAY_ACCESSIBILITY_H_ |