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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_FILEAPI_NATIVE_FILE_UTIL_H_
#define WEBKIT_FILEAPI_NATIVE_FILE_UTIL_H_
#include "base/file_path.h"
#include "base/files/file_util_proxy.h"
#include "base/memory/scoped_ptr.h"
#include "base/platform_file.h"
#include "webkit/fileapi/file_system_file_util.h"
#include "webkit/storage/webkit_storage_export.h"
namespace base {
class Time;
}
namespace fileapi {
// A thin wrapper class for accessing the OS native filesystem.
// This performs common error checks necessary to implement FileUtil family
// in addition to perform native filesystem operations.
//
// For the error checks it performs please see the comment for
// FileSystemFileUtil interface (webkit/fileapi/file_system_file_util.h).
//
// Note that all the methods of this class are static and this does NOT
// inherit from FileSystemFileUtil.
//
// TODO(dmikurube): Add unit tests for NativeFileUtil.
// http://crbug.com/170564
class WEBKIT_STORAGE_EXPORT_PRIVATE NativeFileUtil {
public:
static base::PlatformFileError CreateOrOpen(
const FilePath& path,
int file_flags,
base::PlatformFile* file_handle,
bool* created);
static base::PlatformFileError Close(base::PlatformFile file);
static base::PlatformFileError EnsureFileExists(const FilePath& path,
bool* created);
static base::PlatformFileError CreateDirectory(const FilePath& path,
bool exclusive,
bool recursive);
static base::PlatformFileError GetFileInfo(const FilePath& path,
base::PlatformFileInfo* file_info);
static scoped_ptr<FileSystemFileUtil::AbstractFileEnumerator>
CreateFileEnumerator(const FilePath& root_path,
bool recursive);
static base::PlatformFileError Touch(const FilePath& path,
const base::Time& last_access_time,
const base::Time& last_modified_time);
static base::PlatformFileError Truncate(const FilePath& path, int64 length);
static bool PathExists(const FilePath& path);
static bool DirectoryExists(const FilePath& path);
static base::PlatformFileError CopyOrMoveFile(const FilePath& src_path,
const FilePath& dest_path,
bool copy);
static base::PlatformFileError DeleteFile(const FilePath& path);
static base::PlatformFileError DeleteDirectory(const FilePath& path);
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(NativeFileUtil);
};
} // namespace fileapi
#endif // WEBKIT_FILEAPI_NATIVE_FILE_UTIL_H_
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