1 // Copyright 2014 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_UI_WEBUI_INVALIDATIONS_MESSAGE_HANDLER_H_ 6 #define CHROME_BROWSER_UI_WEBUI_INVALIDATIONS_MESSAGE_HANDLER_H_ 7 8 #include "base/compiler_specific.h" 9 #include "base/memory/scoped_ptr.h" 10 #include "base/memory/weak_ptr.h" 11 #include "base/values.h" 12 #include "components/invalidation/invalidation_logger_observer.h" 13 #include "content/public/browser/web_ui_message_handler.h" 14 #include "sync/notifier/invalidation_util.h" 15 16 class Profile; 17 18 namespace invalidation { 19 class InvalidationLogger; 20 } // namespace invalidation 21 22 namespace syncer { 23 class InvalidationHandler; 24 } // namespace syncer 25 26 // The implementation for the chrome://invalidations page. 27 class InvalidationsMessageHandler 28 : public content::WebUIMessageHandler, 29 public invalidation::InvalidationLoggerObserver { 30 public: 31 InvalidationsMessageHandler(); 32 virtual ~InvalidationsMessageHandler(); 33 34 // Implementation of InvalidationLoggerObserver. 35 virtual void OnRegistrationChange( 36 const std::multiset<std::string>& registered_handlers) OVERRIDE; 37 virtual void OnStateChange(const syncer::InvalidatorState& new_state, 38 const base::Time& last_change_timestamp) 39 OVERRIDE; 40 virtual void OnUpdateIds(const std::string& handler_name, 41 const syncer::ObjectIdCountMap& ids_set) OVERRIDE; 42 virtual void OnDebugMessage(const base::DictionaryValue& details) OVERRIDE; 43 virtual void OnInvalidation( 44 const syncer::ObjectIdInvalidationMap& new_invalidations) OVERRIDE; 45 virtual void OnDetailedStatus(const base::DictionaryValue& network_details) 46 OVERRIDE; 47 48 // Implementation of WebUIMessageHandler. 49 virtual void RegisterMessages() OVERRIDE; 50 51 // Triggers the logger to send the current state and objects ids. 52 void UpdateContent(const base::ListValue* args); 53 54 // Called by the javascript whenever the page is ready to receive messages. 55 void UIReady(const base::ListValue* args); 56 57 // Calls the InvalidationService for any internal details. 58 void HandleRequestDetailedStatus(const base::ListValue* args); 59 60 private: 61 // The pointer to the internal InvalidatorService InvalidationLogger. 62 // Used to get the information necessary to display to the JS and to 63 // register ourselves as Observers for any notifications. 64 invalidation::InvalidationLogger* logger_; 65 66 base::WeakPtrFactory<InvalidationsMessageHandler> weak_ptr_factory_; 67 68 DISALLOW_COPY_AND_ASSIGN(InvalidationsMessageHandler); 69 }; 70 71 #endif // CHROME_BROWSER_UI_WEBUI_INVALIDATIONS_MESSAGE_HANDLER_H_ 72