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 STORAGE_BROWSER_FILEAPI_NATIVE_FILE_UTIL_H_ 6 #define STORAGE_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 "storage/browser/fileapi/file_system_file_util.h" 13 #include "storage/browser/storage_browser_export.h" 14 15 namespace base { 16 class Time; 17 } 18 19 namespace storage { 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 // (storage/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. 31 class STORAGE_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 storage 72 73 #endif // STORAGE_BROWSER_FILEAPI_NATIVE_FILE_UTIL_H_ 74