1 // Copyright 2013 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_NOTIFICATIONS_NOTIFICATION_SYSTEM_OBSERVER_H_ 6 #define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_SYSTEM_OBSERVER_H_ 7 8 #include "content/public/browser/notification_observer.h" 9 #include "content/public/browser/notification_registrar.h" 10 11 class NotificationUIManager; 12 13 // The content::NotificationObserver observes system status change and sends 14 // events to NotificationUIManager. 15 class NotificationSystemObserver : public content::NotificationObserver { 16 public: 17 explicit NotificationSystemObserver(NotificationUIManager* ui_manager); 18 virtual ~NotificationSystemObserver(); 19 20 protected: 21 // content::NotificationObserver override. 22 virtual void Observe(int type, 23 const content::NotificationSource& source, 24 const content::NotificationDetails& details) OVERRIDE; 25 26 private: 27 // Registrar for the other kind of notifications (event signaling). 28 content::NotificationRegistrar registrar_; 29 NotificationUIManager* ui_manager_; 30 31 DISALLOW_COPY_AND_ASSIGN(NotificationSystemObserver); 32 }; 33 34 #endif // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_SYSTEM_OBSERVER_H_ 35