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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 WEBKIT_BROWSER_FILEAPI_ISOLATED_FILE_SYSTEM_BACKEND_H_
#define WEBKIT_BROWSER_FILEAPI_ISOLATED_FILE_SYSTEM_BACKEND_H_
#include "base/memory/scoped_ptr.h"
#include "webkit/browser/fileapi/file_system_backend.h"
namespace fileapi {
class AsyncFileUtilAdapter;
class IsolatedFileSystemBackend : public FileSystemBackend {
public:
IsolatedFileSystemBackend();
virtual ~IsolatedFileSystemBackend();
// FileSystemBackend implementation.
virtual bool CanHandleType(FileSystemType type) const OVERRIDE;
virtual void Initialize(FileSystemContext* context) OVERRIDE;
virtual void ResolveURL(const FileSystemURL& url,
OpenFileSystemMode mode,
const OpenFileSystemCallback& callback) OVERRIDE;
virtual AsyncFileUtil* GetAsyncFileUtil(FileSystemType type) OVERRIDE;
virtual CopyOrMoveFileValidatorFactory* GetCopyOrMoveFileValidatorFactory(
FileSystemType type,
base::File::Error* error_code) OVERRIDE;
virtual FileSystemOperation* CreateFileSystemOperation(
const FileSystemURL& url,
FileSystemContext* context,
base::File::Error* error_code) const OVERRIDE;
virtual bool SupportsStreaming(const FileSystemURL& url) const OVERRIDE;
virtual scoped_ptr<webkit_blob::FileStreamReader> CreateFileStreamReader(
const FileSystemURL& url,
int64 offset,
const base::Time& expected_modification_time,
FileSystemContext* context) const OVERRIDE;
virtual scoped_ptr<FileStreamWriter> CreateFileStreamWriter(
const FileSystemURL& url,
int64 offset,
FileSystemContext* context) const OVERRIDE;
virtual FileSystemQuotaUtil* GetQuotaUtil() OVERRIDE;
private:
scoped_ptr<AsyncFileUtilAdapter> isolated_file_util_;
scoped_ptr<AsyncFileUtilAdapter> dragged_file_util_;
scoped_ptr<AsyncFileUtilAdapter> transient_file_util_;
};
} // namespace fileapi
#endif // WEBKIT_BROWSER_FILEAPI_ISOLATED_FILE_SYSTEM_BACKEND_H_
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