| // 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_EXTENSIONS_API_SYSTEM_INFO_SYSTEM_INFO_API_H_ |
| #define CHROME_BROWSER_EXTENSIONS_API_SYSTEM_INFO_SYSTEM_INFO_API_H_ |
| |
| #include "chrome/browser/extensions/api/profile_keyed_api_factory.h" |
| #include "extensions/browser/event_router.h" |
| |
| namespace extensions { |
| |
| // A Profile-scoped object which is registered as an observer of EventRouter |
| // to observe the systemInfo event listener arrival/removal. |
| class SystemInfoAPI : public ProfileKeyedAPI, |
| public EventRouter::Observer { |
| public: |
| // ProfileKeyedAPI implementation. |
| static ProfileKeyedAPIFactory<SystemInfoAPI>* GetFactoryInstance(); |
| |
| explicit SystemInfoAPI(Profile* profile); |
| virtual ~SystemInfoAPI(); |
| |
| // BrowserContextKeyedService implementation. |
| virtual void Shutdown() OVERRIDE; |
| |
| // EventRouter::Observer implementation. |
| virtual void OnListenerAdded(const EventListenerInfo& details) OVERRIDE; |
| virtual void OnListenerRemoved(const EventListenerInfo& details) OVERRIDE; |
| |
| private: |
| friend class ProfileKeyedAPIFactory<SystemInfoAPI>; |
| |
| // ProfileKeyedAPI implementation. |
| static const char* service_name() { |
| return "SystemInfoAPI"; |
| } |
| static const bool kServiceIsNULLWhileTesting = true; |
| |
| Profile* profile_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SystemInfoAPI); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_API_SYSTEM_INFO_SYSTEM_INFO_API_H_ |