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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_NATIVE_FILE_UTIL_H_
#define WEBKIT_BROWSER_FILEAPI_NATIVE_FILE_UTIL_H_
#include "base/files/file_path.h"
#include "base/files/file_util_proxy.h"
#include "base/memory/scoped_ptr.h"
#include "base/platform_file.h"
#include "webkit/browser/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/browser/fileapi/file_system_file_util.h).
//
// Note that all the methods of this class are static and this does NOT
// inherit from FileSystemFileUtil.
class WEBKIT_STORAGE_EXPORT_PRIVATE NativeFileUtil {
public:
static base::PlatformFileError CreateOrOpen(
const base::FilePath& path,
int file_flags,
base::PlatformFile* file_handle,
bool* created);
static base::PlatformFileError Close(base::PlatformFile file);
static base::PlatformFileError EnsureFileExists(const base::FilePath& path,
bool* created);
static base::PlatformFileError CreateDirectory(const base::FilePath& path,
bool exclusive,
bool recursive);
static base::PlatformFileError GetFileInfo(const base::FilePath& path,
base::PlatformFileInfo* file_info);
static scoped_ptr<FileSystemFileUtil::AbstractFileEnumerator>
CreateFileEnumerator(const base::FilePath& root_path,
bool recursive);
static base::PlatformFileError Touch(const base::FilePath& path,
const base::Time& last_access_time,
const base::Time& last_modified_time);
static base::PlatformFileError Truncate(const base::FilePath& path,
int64 length);
static bool PathExists(const base::FilePath& path);
static bool DirectoryExists(const base::FilePath& path);
static base::PlatformFileError CopyOrMoveFile(const base::FilePath& src_path,
const base::FilePath& dest_path,
bool copy);
static base::PlatformFileError DeleteFile(const base::FilePath& path);
static base::PlatformFileError DeleteDirectory(const base::FilePath& path);
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(NativeFileUtil);
};
} // namespace fileapi
#endif // WEBKIT_BROWSER_FILEAPI_NATIVE_FILE_UTIL_H_
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