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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"
interface nsIFile;

/**
 * The nsIRelativeFilePref interface is a wrapper for an nsIFile and
 * and a directory service key. When used as a pref value, it stores a
 * relative path to the file from the location pointed to by the directory
 * service key. The path has the same syntax across all platforms.
 *
 * @see nsIPrefBranch::getComplexValue
 * @see nsIPrefBranch::setComplexValue
 *
 */

[uuid(2f977d4e-5485-11d4-87e2-0010a4e75ef2)]
interface nsIRelativeFilePref : nsISupports
{
  /**
   * file
   *
   * The file whose location is stored or retrieved.
   */
  attribute nsIFile file;

  /**
   * relativeToKey
   *
   * A directory service key for the directory
   * from which the file path is relative.
   */
  attribute ACString relativeToKey;

};