1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef WEBKIT_BROWSER_FILEAPI_NATIVE_FILE_UTIL_H_ 6#define WEBKIT_BROWSER_FILEAPI_NATIVE_FILE_UTIL_H_ 7 8#include "base/files/file.h" 9#include "base/files/file_path.h" 10#include "base/files/file_util_proxy.h" 11#include "base/memory/scoped_ptr.h" 12#include "webkit/browser/fileapi/file_system_file_util.h" 13#include "webkit/browser/webkit_storage_browser_export.h" 14 15namespace base { 16class Time; 17} 18 19namespace fileapi { 20 21// A thin wrapper class for accessing the OS native filesystem. 22// This performs common error checks necessary to implement FileUtil family 23// in addition to perform native filesystem operations. 24// 25// For the error checks it performs please see the comment for 26// FileSystemFileUtil interface 27// (webkit/browser/fileapi/file_system_file_util.h). 28// 29// Note that all the methods of this class are static and this does NOT 30// inherit from FileSystemFileUtil. 31class WEBKIT_STORAGE_BROWSER_EXPORT_PRIVATE NativeFileUtil { 32 public: 33 enum CopyOrMoveMode { 34 COPY_NOSYNC, 35 COPY_SYNC, 36 MOVE 37 }; 38 static CopyOrMoveMode CopyOrMoveModeForDestination( 39 const FileSystemURL& dest_url, bool copy); 40 41 static base::File CreateOrOpen(const base::FilePath& path, int file_flags); 42 static base::File::Error EnsureFileExists(const base::FilePath& path, 43 bool* created); 44 static base::File::Error CreateDirectory(const base::FilePath& path, 45 bool exclusive, 46 bool recursive); 47 static base::File::Error GetFileInfo(const base::FilePath& path, 48 base::File::Info* file_info); 49 static scoped_ptr<FileSystemFileUtil::AbstractFileEnumerator> 50 CreateFileEnumerator(const base::FilePath& root_path, 51 bool recursive); 52 static base::File::Error Touch(const base::FilePath& path, 53 const base::Time& last_access_time, 54 const base::Time& last_modified_time); 55 static base::File::Error Truncate(const base::FilePath& path, 56 int64 length); 57 static bool PathExists(const base::FilePath& path); 58 static bool DirectoryExists(const base::FilePath& path); 59 static base::File::Error CopyOrMoveFile( 60 const base::FilePath& src_path, 61 const base::FilePath& dest_path, 62 FileSystemOperation::CopyOrMoveOption option, 63 CopyOrMoveMode mode); 64 static base::File::Error DeleteFile(const base::FilePath& path); 65 static base::File::Error DeleteDirectory(const base::FilePath& path); 66 67 private: 68 DISALLOW_IMPLICIT_CONSTRUCTORS(NativeFileUtil); 69}; 70 71} // namespace fileapi 72 73#endif // WEBKIT_BROWSER_FILEAPI_NATIVE_FILE_UTIL_H_ 74