/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/.
 */

[Exposed=Window]
interface MouseScrollEvent : MouseEvent
{
  const long HORIZONTAL_AXIS = 1;
  const long VERTICAL_AXIS = 2;

  readonly attribute long axis;

  undefined initMouseScrollEvent(DOMString type,
                                 optional boolean canBubble = false,
                                 optional boolean cancelable = false,
                                 optional Window? view = null,
                                 optional long detail = 0,
                                 optional long screenX = 0,
                                 optional long screenY = 0,
                                 optional long clientX = 0,
                                 optional long clientY = 0,
                                 optional boolean ctrlKey = false,
                                 optional boolean altKey = false,
                                 optional boolean shiftKey = false,
                                 optional boolean metaKey = false,
                                 optional short button = 0,
                                 optional EventTarget? relatedTarget = null,
                                 optional long axis = 0);
};