chrome/browser/chromeos/app_mode/kiosk_mode_idle_app_name_notification.h

   1 // Copyright 2014 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_APP_MODE_KIOSK_MODE_IDLE_APP_NAME_NOTIFICATION_H_
   6 #define CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_MODE_IDLE_APP_NAME_NOTIFICATION_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/timer/timer.h"
  12 #include "chromeos/dbus/power_manager_client.h"
  13 #include "ui/base/user_activity/user_activity_observer.h"
  14
  15 namespace chromeos {
  16
  17 class IdleAppNameNotificationView;
  18
  19 class KioskModeIdleAppNameNotification : public ui::UserActivityObserver,
  20                                          public PowerManagerClient::Observer {
  21  public:
  22   static void Initialize();
  23
  24   static void Shutdown();
  25
  26   KioskModeIdleAppNameNotification();
  27   ~KioskModeIdleAppNameNotification() override;
  28
  29  private:
  30   // Initialize idle app message when KioskModeHelper is initialized.
  31   void Setup();
  32
  33   // ui::UserActivityObserver overrides:
  34   void OnUserActivity(const ui::Event* event) override;
  35
  36   // PowerManagerClient::Observer overrides:
  37   void SuspendDone(const base::TimeDelta& sleep_duration) override;
  38
  39   // Begins listening for user activity and calls ResetTimer().
  40   void Start();
  41
  42   // Resets |timer_| to fire when the application idle message should be shown.
  43   void ResetTimer();
  44
  45   // Invoked by |timer_| to display the application idle message.
  46   void OnTimeout();
  47
  48   base::OneShotTimer<KioskModeIdleAppNameNotification> timer_;
  49
  50   // If set the notification should get shown upon next user activity.
  51   bool show_notification_upon_next_user_activity_;
  52
  53   // The notification object which owns and shows the notification.
  54   scoped_ptr<IdleAppNameNotificationView> notification_;
  55
  56   DISALLOW_COPY_AND_ASSIGN(KioskModeIdleAppNameNotification);
  57 };
  58
  59 }  // namespace chromeos
  60
  61 #endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_MODE_IDLE_APP_NAME_NOTIFICATION_H_