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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 WEBKIT_FILEAPI_QUOTA_FILE_UTIL_H_
#define WEBKIT_FILEAPI_QUOTA_FILE_UTIL_H_
#include "base/memory/scoped_ptr.h"
#include "webkit/fileapi/file_system_file_util.h"
#include "webkit/fileapi/file_system_operation_context.h"
#pragma once
namespace fileapi {
class QuotaFileUtil : public FileSystemFileUtil {
public:
static const int64 kNoLimit;
// |underlying_file_util| is owned by the instance. It will be deleted by
// the owner instance. For example, it can be instanciated as follows:
// FileSystemFileUtil* file_util = new QuotaFileUtil(new SomeFileUtil());
//
// To instanciate an object whose underlying file_util is FileSystemFileUtil,
// QuotaFileUtil::CreateDefault() can be used.
explicit QuotaFileUtil(FileSystemFileUtil* underlying_file_util);
virtual ~QuotaFileUtil();
// Creates a QuotaFileUtil instance with an underlying NativeFileUtil
// instance.
static QuotaFileUtil* CreateDefault();
virtual base::PlatformFileError Truncate(
FileSystemOperationContext* fs_context,
const FilePath& path,
int64 length) OVERRIDE;
virtual base::PlatformFileError CopyOrMoveFile(
FileSystemOperationContext* fs_context,
const FilePath& src_file_path,
const FilePath& dest_file_path,
bool copy) OVERRIDE;
virtual base::PlatformFileError DeleteFile(
FileSystemOperationContext* fs_context,
const FilePath& file_path) OVERRIDE;
private:
DISALLOW_COPY_AND_ASSIGN(QuotaFileUtil);
};
} // namespace fileapi
#endif // WEBKIT_FILEAPI_QUOTA_FILE_UTIL_H_
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