webkit/fileapi/file_util_helper.h

   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_FILEAPI_FILE_UTIL_HELPER_H_
   6 #define WEBKIT_FILEAPI_FILE_UTIL_HELPER_H_
   7
   8 #include <vector>
   9
  10 #include "base/file_util_proxy.h"
  11 #include "base/platform_file.h"
  12 #include "webkit/fileapi/fileapi_export.h"
  13
  14 namespace fileapi {
  15
  16 class FileSystemFileUtil;
  17 class FileSystemOperationContext;
  18 class FileSystemURL;
  19
  20 // A collection of static methods that are usually called by
  21 // FileSystemFileUtilProxy.  The method should be called on FILE thread.
  22 class FILEAPI_EXPORT_PRIVATE FileUtilHelper {
  23  public:
  24   static bool PathExists(
  25       FileSystemOperationContext* context,
  26       FileSystemFileUtil* file_util,
  27       const FileSystemURL& url);
  28
  29   static bool DirectoryExists(
  30       FileSystemOperationContext* context,
  31       FileSystemFileUtil* file_util,
  32       const FileSystemURL& url);
  33
  34   static base::PlatformFileError Copy(
  35       FileSystemOperationContext* context,
  36       FileSystemFileUtil* src_file_util,
  37       FileSystemFileUtil* dest_file_utile,
  38       const FileSystemURL& src_root_url,
  39       const FileSystemURL& dest_root_url);
  40
  41   static base::PlatformFileError Move(
  42       FileSystemOperationContext* context,
  43       FileSystemFileUtil* src_file_util,
  44       FileSystemFileUtil* dest_file_utile,
  45       const FileSystemURL& src_root_url,
  46       const FileSystemURL& dest_root_url);
  47
  48   static base::PlatformFileError Delete(
  49       FileSystemOperationContext* context,
  50       FileSystemFileUtil* file_util,
  51       const FileSystemURL& url,
  52       bool recursive);
  53
  54   static base::PlatformFileError ReadDirectory(
  55       FileSystemOperationContext* context,
  56       FileSystemFileUtil* file_util,
  57       const FileSystemURL& url,
  58       std::vector<base::FileUtilProxy::Entry>* entries);
  59
  60  private:
  61   static base::PlatformFileError DeleteDirectoryRecursive(
  62       FileSystemOperationContext* context,
  63       FileSystemFileUtil* file_util,
  64       const FileSystemURL& url);
  65 };
  66
  67 }  // namespace fileapi
  68
  69 #endif  // WEBKIT_FILEAPI_FILE_UTIL_HELPER_H_