chrome/browser/chromeos/kiosk_mode/kiosk_mode_idle_logout.h

   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 "ash/wm/user_activity_observer.h"
   9 #include "base/basictypes.h"
  10 #include "base/compiler_specific.h"
  11 #include "base/timer/timer.h"
  12 #include "content/public/browser/notification_observer.h"
  13 #include "content/public/browser/notification_registrar.h"
  14
  15 namespace chromeos {
  16
  17 class KioskModeIdleLogout : public ash::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   // 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_