// 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_FILEAPI_NATIVE_FILE_UTIL_H_
#define WEBKIT_FILEAPI_NATIVE_FILE_UTIL_H_

#include "base/file_path.h"
#include "base/file_util_proxy.h"
#include "base/platform_file.h"
#include "webkit/fileapi/fileapi_export.h"
#include "webkit/fileapi/file_system_file_util.h"

namespace base {
class Time;
}

namespace fileapi {

using base::PlatformFile;
using base::PlatformFileError;

// TODO(dmikurube): Add unit tests for NativeFileUtil.
// This class handles accessing the OS native filesystem.
class FILEAPI_EXPORT_PRIVATE NativeFileUtil {
 public:
  static PlatformFileError CreateOrOpen(
      const FilePath& path,
      int file_flags,
      PlatformFile* file_handle,
      bool* created);
  static PlatformFileError Close(PlatformFile file);
  static PlatformFileError EnsureFileExists(const FilePath& path,
                                            bool* created);
  static PlatformFileError CreateDirectory(const FilePath& path,
                                           bool exclusive,
                                           bool recursive);
  static PlatformFileError GetFileInfo(const FilePath& path,
                                       base::PlatformFileInfo* file_info);
  static FileSystemFileUtil::AbstractFileEnumerator* CreateFileEnumerator(
      const FilePath& root_path,
      bool recursive);
  static PlatformFileError Touch(const FilePath& path,
                                 const base::Time& last_access_time,
                                 const base::Time& last_modified_time);
  static PlatformFileError Truncate(const FilePath& path, int64 length);
  static bool PathExists(const FilePath& path);
  static bool DirectoryExists(const FilePath& path);
  static bool IsDirectoryEmpty(const FilePath& path);
  static PlatformFileError CopyOrMoveFile(const FilePath& src_path,
                                   const FilePath& dest_path,
                                   bool copy);
  static PlatformFileError DeleteFile(const FilePath& path);
  static PlatformFileError DeleteSingleDirectory(const FilePath& path);

 private:
  DISALLOW_IMPLICIT_CONSTRUCTORS(NativeFileUtil);
};

}  // namespace fileapi

#endif  // WEBKIT_FILEAPI_NATIVE_FILE_UTIL_H_