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// 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_
#pragma once
#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. Also sends a string-id to display
// to the user.
virtual void OnAccessibilityModeChanged(bool enabled,
int string_id) = 0;
};
namespace internal {
class TrayAccessibility : public TrayImageItem,
public AccessibilityObserver {
public:
TrayAccessibility();
virtual ~TrayAccessibility();
private:
// Overridden from TrayImageItem.
virtual bool GetInitialVisibility() OVERRIDE;
virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE;
virtual void DestroyDetailedView() OVERRIDE;
// Overridden from AccessibilityObserver.
virtual void OnAccessibilityModeChanged(bool enabled,
int string_id) OVERRIDE;
views::View* detailed_;
int string_id_;
DISALLOW_COPY_AND_ASSIGN(TrayAccessibility);
};
} // namespace internal
} // namespace ash
#endif // ASH_SYSTEM_TRAY_ACCESSIBILITY_H_
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