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// 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/memory/weak_ptr.h"
#include "base/values.h"
#include "components/invalidation/invalidation_logger_observer.h"
#include "components/invalidation/invalidation_util.h"
#include "content/public/browser/web_ui_message_handler.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.
virtual void OnRegistrationChange(
const std::multiset<std::string>& registered_handlers) OVERRIDE;
virtual void OnStateChange(const syncer::InvalidatorState& new_state,
const base::Time& last_change_timestamp)
OVERRIDE;
virtual void OnUpdateIds(const std::string& handler_name,
const syncer::ObjectIdCountMap& ids_set) OVERRIDE;
virtual void OnDebugMessage(const base::DictionaryValue& details) OVERRIDE;
virtual void OnInvalidation(
const syncer::ObjectIdInvalidationMap& new_invalidations) OVERRIDE;
virtual void OnDetailedStatus(const base::DictionaryValue& network_details)
OVERRIDE;
// 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);
// Calls the InvalidationService for any internal details.
void HandleRequestDetailedStatus(const base::ListValue* args);
private:
// 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_;
base::WeakPtrFactory<InvalidationsMessageHandler> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(InvalidationsMessageHandler);
};
#endif // CHROME_BROWSER_UI_WEBUI_INVALIDATIONS_MESSAGE_HANDLER_H_
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