1// Copyright (c) 2012 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_TRAY_UPDATE_H_
6#define ASH_SYSTEM_TRAY_UPDATE_H_
7
8#include "ash/system/tray/tray_image_item.h"
9#include "ash/system/user/update_observer.h"
10#include "base/memory/scoped_ptr.h"
11
12namespace views {
13class View;
14}
15
16namespace ash {
17
18namespace tray {
19class UpdateNagger;
20}
21
22class TrayUpdate : public TrayImageItem,
23                   public UpdateObserver {
24 public:
25  explicit TrayUpdate(SystemTray* system_tray);
26  virtual ~TrayUpdate();
27
28 private:
29  // Overridden from TrayImageItem.
30  virtual bool GetInitialVisibility() OVERRIDE;
31  virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE;
32  virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE;
33  virtual void DestroyDetailedView() OVERRIDE;
34
35  // Overridden from UpdateObserver.
36  virtual void OnUpdateRecommended(UpdateSeverity severity) OVERRIDE;
37
38  // Used to nag the user in case the tray has been hidden too long with an
39  // unseen update notification.
40  scoped_ptr<tray::UpdateNagger> nagger_;
41
42  UpdateObserver::UpdateSeverity severity_;
43
44  DISALLOW_COPY_AND_ASSIGN(TrayUpdate);
45};
46
47}  // namespace ash
48
49#endif  // ASH_SYSTEM_TRAY_UPDATE_H_
50