| // 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 EXTENSIONS_BROWSER_API_SYSTEM_INFO_SYSTEM_INFO_API_H_ |
| #define EXTENSIONS_BROWSER_API_SYSTEM_INFO_SYSTEM_INFO_API_H_ |
| |
| #include "extensions/browser/browser_context_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 BrowserContextKeyedAPI, |
| public EventRouter::Observer { |
| public: |
| // BrowserContextKeyedAPI implementation. |
| static BrowserContextKeyedAPIFactory<SystemInfoAPI>* GetFactoryInstance(); |
| |
| explicit SystemInfoAPI(content::BrowserContext* context); |
| ~SystemInfoAPI() override; |
| |
| // KeyedService implementation. |
| void Shutdown() override; |
| |
| // EventRouter::Observer implementation. |
| void OnListenerAdded(const EventListenerInfo& details) override; |
| void OnListenerRemoved(const EventListenerInfo& details) override; |
| |
| private: |
| friend class BrowserContextKeyedAPIFactory<SystemInfoAPI>; |
| |
| // BrowserContextKeyedAPI implementation. |
| static const char* service_name() { return "SystemInfoAPI"; } |
| static const bool kServiceIsNULLWhileTesting = true; |
| |
| content::BrowserContext* browser_context_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SystemInfoAPI); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // EXTENSIONS_BROWSER_API_SYSTEM_INFO_SYSTEM_INFO_API_H_ |