[invalidations] Added table with registered objectsIds

chrome/browser/ui/webui/invalidations_message_handler.h

 // Copyright 2014 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_UI_WEBUI_INVALIDATIONS_MESSAGE_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_INVALIDATIONS_MESSAGE_HANDLER_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "chrome/browser/invalidation/invalidation_logger_observer.h"
 #include "content/public/browser/web_ui_message_handler.h"
+#include "sync/notifier/invalidation_util.h"
 
 class Profile;
 
 namespace invalidation {
 class InvalidationLogger;
 }  // namespace invalidation
 
+namespace syncer {
+class InvalidationHandler;
+}  // namespace syncer
+
 // The implementation for the chrome://invalidations page.
 class InvalidationsMessageHandler
     : public content::WebUIMessageHandler,
       public invalidation::InvalidationLoggerObserver {
  public:
   InvalidationsMessageHandler();
   virtual ~InvalidationsMessageHandler();
 
-  // Implementation of InvalidationLoggerObserver
+  // Implementation of InvalidationLoggerObserver.
   virtual void OnRegistration(const base::DictionaryValue& details) OVERRIDE;
   virtual void OnUnregistration(const base::DictionaryValue& details) OVERRIDE;
-  virtual void OnStateChange(const syncer::InvalidatorState& newState) OVERRIDE;
-  virtual void OnUpdateIds(const base::DictionaryValue& details) OVERRIDE;
+  virtual void OnStateChange(const syncer::InvalidatorState& new_state)
+      OVERRIDE;
+  virtual void OnUpdateIds(const std::string& handler_name,
+                           const syncer::ObjectIdSet& ids_set) OVERRIDE;
   virtual void OnDebugMessage(const base::DictionaryValue& details) OVERRIDE;
   virtual void OnInvalidation(
-      const syncer::ObjectIdInvalidationMap& newInvalidations) OVERRIDE;
+      const syncer::ObjectIdInvalidationMap& new_invalidations) OVERRIDE;
 
-  // Implementation of WebUIMessageHandler
+  // Implementation of WebUIMessageHandler.
   virtual void RegisterMessages() OVERRIDE;
 
+  // Triggers the logger to send the current state and objects ids.
   void UpdateContent(const base::ListValue* args);
+
+  // Called by the javascript whenever the page is ready to receive messages.
   void UIReady(const base::ListValue* args);
 
  private:
+  // Transforms a set to a ListValue in order to be automatically
+  // transformed to a JavaScript array of objects.
+  scoped_ptr<base::ListValue> ObjectIdSetToList(
+      const syncer::ObjectIdSet& ids_set);
+
   // The pointer to the internal InvalidatorService InvalidationLogger.
   // Used to get the information necessary to display to the JS and to
   // register ourselves as Observers for any notifications.
   invalidation::InvalidationLogger* logger_;
-  // Check to see if we are already registered as an observer
-  bool isRegistered;
+
   DISALLOW_COPY_AND_ASSIGN(InvalidationsMessageHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_INVALIDATIONS_MESSAGE_HANDLER_H_