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_SYNC_GLUE_EXTENSIONS_ACTIVITY_MONITOR_H_ 6 #define CHROME_BROWSER_SYNC_GLUE_EXTENSIONS_ACTIVITY_MONITOR_H_ 7 8 #include "base/compiler_specific.h" 9 #include "base/memory/ref_counted.h" 10 #include "content/public/browser/notification_observer.h" 11 #include "content/public/browser/notification_registrar.h" 12 13 namespace syncer { 14 class ExtensionsActivity; 15 } 16 17 namespace browser_sync { 18 19 // Observe and record usage of extension bookmark API. 20 class ExtensionsActivityMonitor : public content::NotificationObserver { 21 public: 22 ExtensionsActivityMonitor(); 23 virtual ~ExtensionsActivityMonitor(); 24 25 // content::NotificationObserver implementation. 26 virtual void Observe(int type, 27 const content::NotificationSource& source, 28 const content::NotificationDetails& details) OVERRIDE; 29 30 const scoped_refptr<syncer::ExtensionsActivity>& GetExtensionsActivity(); 31 32 private: 33 scoped_refptr<syncer::ExtensionsActivity> extensions_activity_; 34 35 // Used only on UI loop. 36 content::NotificationRegistrar registrar_; 37 }; 38 39 } // namespace browser_sync 40 41 #endif // CHROME_BROWSER_SYNC_GLUE_EXTENSIONS_ACTIVITY_MONITOR_H_ 42