// 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_FILE_SYSTEM_LOCAL_CHANGE_PROCESSOR_H_
#define CHROME_BROWSER_SYNC_FILE_SYSTEM_LOCAL_CHANGE_PROCESSOR_H_
#include "base/callback_forward.h"
#include "chrome/browser/sync_file_system/sync_callbacks.h"
namespace fileapi {
class FileSystemURL;
}
namespace sync_file_system {
class FileChange;
// Represents an interface to process one local change and applies
// it to the remote server.
// This interface is to be implemented/backed by RemoteSyncFileService.
class LocalChangeProcessor {
public:
LocalChangeProcessor() {}
virtual ~LocalChangeProcessor() {}
// This is called to apply the local |change|. If the change type is
// ADD_OR_UPDATE for a file, |local_file_path| points to a local file
// path that contains the latest file image whose file metadata is
// |local_file_metadata|.
// When SYNC_STATUS_HAS_CONFLICT is returned the implementation should
// notify the backing RemoteFileSyncService of the existence of conflict
// (as the remote service is supposed to maintain a list of conflict files).
virtual void ApplyLocalChange(
const FileChange& change,
const base::FilePath& local_file_path,
const SyncFileMetadata& local_file_metadata,
const fileapi::FileSystemURL& url,
const SyncStatusCallback& callback) = 0;
private:
DISALLOW_COPY_AND_ASSIGN(LocalChangeProcessor);
};
} // namespace sync_file_system
#endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_LOCAL_CHANGE_PROCESSOR_H_