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// Copyright (c) 2012 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_GLUE_SESSION_CHANGE_PROCESSOR_H_
#define CHROME_BROWSER_SYNC_GLUE_SESSION_CHANGE_PROCESSOR_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "chrome/browser/sync/glue/change_processor.h"
#include "chrome/browser/sync/glue/data_type_error_handler.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/notification_types.h"
class Profile;
namespace browser_sync {
class SessionModelAssociator;
class DataTypeErrorHandler;
// This class is responsible for taking changes from the
// SessionService and applying them to the sync API 'syncable'
// model, and vice versa. All operations and use of this class are
// from the UI thread.
class SessionChangeProcessor : public ChangeProcessor,
public content::NotificationObserver {
public:
// Does not take ownership of either argument.
SessionChangeProcessor(
DataTypeErrorHandler* error_handler,
SessionModelAssociator* session_model_associator);
// For testing only.
SessionChangeProcessor(
DataTypeErrorHandler* error_handler,
SessionModelAssociator* session_model_associator,
bool setup_for_test);
virtual ~SessionChangeProcessor();
// content::NotificationObserver implementation.
// BrowserSessionProvider -> sync API model change application.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// ChangeProcessor implementation.
// sync API model -> BrowserSessionProvider change application.
virtual void ApplyChangesFromSyncModel(
const syncer::BaseTransaction* trans,
int64 model_version,
const syncer::ImmutableChangeRecordList& changes) OVERRIDE;
protected:
// ChangeProcessor implementation.
virtual void StartImpl(Profile* profile) OVERRIDE;
private:
friend class ScopedStopObserving<SessionChangeProcessor>;
void StartObserving();
void StopObserving();
SessionModelAssociator* session_model_associator_;
content::NotificationRegistrar notification_registrar_;
// Profile being synced. Non-null if |running()| is true.
Profile* profile_;
// To bypass some checks/codepaths not applicable in tests.
bool setup_for_test_;
DISALLOW_COPY_AND_ASSIGN(SessionChangeProcessor);
};
} // namespace browser_sync
#endif // CHROME_BROWSER_SYNC_GLUE_SESSION_CHANGE_PROCESSOR_H_
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