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// Copyright (c) 2010 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_THEME_CHANGE_PROCESSOR_H_
#define CHROME_BROWSER_SYNC_GLUE_THEME_CHANGE_PROCESSOR_H_
#include "base/basictypes.h"
#include "chrome/browser/sync/engine/syncapi.h"
#include "chrome/browser/sync/glue/change_processor.h"
#include "chrome/common/notification_observer.h"
#include "chrome/common/notification_type.h"
#include "chrome/common/notification_registrar.h"
class NotificationDetails;
class NotificationSource;
class Profile;
namespace browser_sync {
class UnrecoverableErrorHandler;
// This class is responsible for taking changes from the
// BrowserThemeProvider 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 ThemeChangeProcessor : public ChangeProcessor,
public NotificationObserver {
public:
explicit ThemeChangeProcessor(UnrecoverableErrorHandler* error_handler);
virtual ~ThemeChangeProcessor();
// NotificationObserver implementation.
// BrowserThemeProvider -> sync_api model change application.
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
// ChangeProcessor implementation.
// sync_api model -> BrowserThemeProvider change application.
virtual void ApplyChangesFromSyncModel(
const sync_api::BaseTransaction* trans,
const sync_api::SyncManager::ChangeRecord* changes,
int change_count);
protected:
// ChangeProcessor implementation.
virtual void StartImpl(Profile* profile);
virtual void StopImpl();
private:
void StartObserving();
void StopObserving();
NotificationRegistrar notification_registrar_;
// Owner of the BrowserThemeProvider. Non-NULL iff |running()| is
// true.
Profile* profile_;
DISALLOW_COPY_AND_ASSIGN(ThemeChangeProcessor);
};
} // namespace browser_sync
#endif // CHROME_BROWSER_SYNC_GLUE_THEME_CHANGE_PROCESSOR_H_
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