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 CHROME_BROWSER_CHROMEOS_KIOSK_MODE_KIOSK_MODE_IDLE_LOGOUT_H_
6#define CHROME_BROWSER_CHROMEOS_KIOSK_MODE_KIOSK_MODE_IDLE_LOGOUT_H_
7
8#include "base/basictypes.h"
9#include "base/compiler_specific.h"
10#include "base/timer/timer.h"
11#include "content/public/browser/notification_observer.h"
12#include "content/public/browser/notification_registrar.h"
13#include "ui/wm/core/user_activity_observer.h"
14
15namespace chromeos {
16
17class KioskModeIdleLogout : public wm::UserActivityObserver,
18                            public content::NotificationObserver {
19 public:
20  static void Initialize();
21
22  KioskModeIdleLogout();
23  virtual ~KioskModeIdleLogout();
24
25 private:
26  friend class KioskModeIdleLogoutTest;
27
28  // Really initialize idle logout when KioskModeHelper is initialized.
29  void Setup();
30
31  // Overridden from content::NotificationObserver:
32  virtual void Observe(int type,
33                       const content::NotificationSource& source,
34                       const content::NotificationDetails& details) OVERRIDE;
35
36  // wm::UserActivityObserver overrides:
37  virtual void OnUserActivity(const ui::Event* event) OVERRIDE;
38
39  // Begins listening for user activity and calls ResetTimer().
40  void Start();
41
42  // Resets |timer_| to fire when the logout dialog should be shown.
43  void ResetTimer();
44
45  // Invoked by |timer_| to display the logout dialog.
46  void OnTimeout();
47
48  content::NotificationRegistrar registrar_;
49
50  base::OneShotTimer<KioskModeIdleLogout> timer_;
51
52  DISALLOW_COPY_AND_ASSIGN(KioskModeIdleLogout);
53};
54
55}  // namespace chromeos
56
57#endif  // CHROME_BROWSER_CHROMEOS_KIOSK_MODE_KIOSK_MODE_IDLE_LOGOUT_H_
58