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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_UPDATE_H_
#define ASH_SYSTEM_TRAY_UPDATE_H_
#pragma once
#include "ash/system/tray/tray_image_item.h"
#include "base/memory/scoped_ptr.h"
namespace views {
class View;
}
namespace ash {
class ASH_EXPORT UpdateObserver {
public:
virtual ~UpdateObserver() {}
virtual void OnUpdateRecommended() = 0;
};
namespace internal {
namespace tray {
class UpdateNagger;
}
class TrayUpdate : public TrayImageItem,
public UpdateObserver {
public:
TrayUpdate();
virtual ~TrayUpdate();
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 DestroyDetailedView() OVERRIDE;
// Overridden from UpdateObserver.
virtual void OnUpdateRecommended() OVERRIDE;
// Used to nag the user in case the tray has been hidden too long with an
// unseen update notification.
scoped_ptr<tray::UpdateNagger> nagger_;
DISALLOW_COPY_AND_ASSIGN(TrayUpdate);
};
} // namespace internal
} // namespace ash
#endif // ASH_SYSTEM_TRAY_UPDATE_H_
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