webkit/database/vfs_backend.h

   1 // Copyright (c) 2011 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_DATABASE_VFS_BACKEND_H_
   6 #define WEBKIT_DATABASE_VFS_BACKEND_H_
   7
   8 #include "base/platform_file.h"
   9 #include "base/process.h"
  10 #include "base/string16.h"
  11 #include "webkit/storage/webkit_storage_export.h"
  12
  13 namespace base {
  14 class FilePath;
  15 }
  16
  17 namespace webkit_database {
  18
  19 class WEBKIT_STORAGE_EXPORT VfsBackend {
  20  public:
  21   static void OpenFile(const base::FilePath& file_path,
  22                        int desired_flags,
  23                        base::PlatformFile* file_handle);
  24
  25   static void OpenTempFileInDirectory(const base::FilePath& dir_path,
  26                                       int desired_flags,
  27                                       base::PlatformFile* file_handle);
  28
  29   static int DeleteFile(const base::FilePath& file_path, bool sync_dir);
  30
  31   static uint32 GetFileAttributes(const base::FilePath& file_path);
  32
  33   static int64 GetFileSize(const base::FilePath& file_path);
  34
  35   // Used to make decisions in the DatabaseDispatcherHost.
  36   static bool OpenTypeIsReadWrite(int desired_flags);
  37
  38  private:
  39   static bool OpenFileFlagsAreConsistent(int desired_flags);
  40 };
  41
  42 } // namespace webkit_database
  43
  44 #endif  // WEBKIT_DATABASE_VFS_BACKEND_H_