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// Copyright (c) 2011 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_SYNC_JS_JS_TRANSACTION_OBSERVER_H_
#define CHROME_BROWSER_SYNC_JS_JS_TRANSACTION_OBSERVER_H_
#pragma once
#include <string>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/threading/non_thread_safe.h"
#include "chrome/browser/sync/syncable/transaction_observer.h"
#include "chrome/browser/sync/util/weak_handle.h"
namespace tracked_objects {
class Location;
} // namespace tracked_objects
namespace browser_sync {
class JsEventDetails;
class JsEventHandler;
// Routes SyncManager events to a JsEventHandler.
class JsTransactionObserver : public syncable::TransactionObserver {
public:
JsTransactionObserver();
virtual ~JsTransactionObserver();
void SetJsEventHandler(const WeakHandle<JsEventHandler>& event_handler);
// syncable::TransactionObserver implementation.
virtual void OnTransactionStart(
const tracked_objects::Location& location,
const syncable::WriterTag& writer) OVERRIDE;
virtual void OnTransactionMutate(
const tracked_objects::Location& location,
const syncable::WriterTag& writer,
const syncable::ImmutableEntryKernelMutationMap& mutations,
const syncable::ModelTypeBitSet& models_with_changes) OVERRIDE;
virtual void OnTransactionEnd(
const tracked_objects::Location& location,
const syncable::WriterTag& writer) OVERRIDE;
private:
base::NonThreadSafe non_thread_safe_;
WeakHandle<JsEventHandler> event_handler_;
void HandleJsEvent(
const tracked_objects::Location& from_here,
const std::string& name, const JsEventDetails& details);
DISALLOW_COPY_AND_ASSIGN(JsTransactionObserver);
};
} // namespace browser_sync
#endif // CHROME_BROWSER_SYNC_JS_JS_TRANSACTION_OBSERVER_H_
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