| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_SYSTEM_OBSERVER_H_ |
| #define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_SYSTEM_OBSERVER_H_ |
| |
| #include "base/macros.h" |
| #include "base/scoped_observer.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| #include "extensions/browser/extension_registry.h" |
| #include "extensions/browser/extension_registry_observer.h" |
| |
| namespace content { |
| class BrowserContext; |
| } |
| |
| class NotificationUIManager; |
| |
| // The content::NotificationObserver observes system status change and sends |
| // events to NotificationUIManager. NOTE: NotificationUIManager is deprecated, |
| // to be replaced by NotificationDisplayService, so this class should go away. |
| class NotificationSystemObserver : public content::NotificationObserver, |
| extensions::ExtensionRegistryObserver { |
| public: |
| explicit NotificationSystemObserver(NotificationUIManager* ui_manager); |
| ~NotificationSystemObserver() override; |
| |
| protected: |
| // content::NotificationObserver override. |
| void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) override; |
| |
| // extensions::ExtensionRegistryObserver override. |
| void OnExtensionUnloaded(content::BrowserContext* browser_context, |
| const extensions::Extension* extension, |
| extensions::UnloadedExtensionReason reason) override; |
| void OnShutdown(extensions::ExtensionRegistry* registry) override; |
| |
| private: |
| // Registrar for the other kind of notifications (event signaling). |
| content::NotificationRegistrar registrar_; |
| NotificationUIManager* ui_manager_; |
| |
| ScopedObserver<extensions::ExtensionRegistry, |
| extensions::ExtensionRegistryObserver> |
| extension_registry_observer_{this}; |
| |
| DISALLOW_COPY_AND_ASSIGN(NotificationSystemObserver); |
| }; |
| |
| #endif // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_SYSTEM_OBSERVER_H_ |