/* -*- 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/.
 *
 * The origin of this IDL file is
 * http://www.whatwg.org/specs/web-apps/current-work/#eventhandler
 *
 * © Copyright 2004-2011 Apple Computer, Inc., Mozilla Foundation, and
 * Opera Software ASA. You are granted a license to use, reproduce
 * and create derivative works of this document.
 */
[TreatNonCallableAsNull]
callback EventHandlerNonNull = any (Event event);
typedef EventHandlerNonNull? EventHandler;

[TreatNonCallableAsNull]
callback BeforeUnloadEventHandlerNonNull = DOMString? (Event event);
typedef BeforeUnloadEventHandlerNonNull? BeforeUnloadEventHandler;

[TreatNonCallableAsNull]
callback OnErrorEventHandlerNonNull = boolean ((Event or DOMString) event, optional DOMString source, optional unsigned long lineno, optional unsigned long column);
typedef OnErrorEventHandlerNonNull? OnErrorEventHandler;