gecko-dev/dom/webidl/EventTarget.webidl
Boris Zbarsky 7a3efb15c4 Bug 778150 part 2. Default methods to infallible. Allow annotation of fallible methods in WebIDL using [Throws]. r=peterv
[Throws] can either take no value, or can take MainThread or Workers if the
throwing behavior is only happening on main thread or in workers.
2012-09-05 09:21:33 -04:00

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/* -*- 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.w3.org/TR/2012/WD-dom-20120105/
*
* Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
* liability, trademark and document use rules apply.
*/
interface Event;
interface EventTarget {
/* Passing null for wantsUntrusted means "default behavior", which
differs in content and chrome. In content that default boolean
value is true, while in chrome the default boolean value is
false. */
[Throws]
void addEventListener(DOMString type,
EventListener? listener,
optional boolean capture = false,
optional boolean? wantsUntrusted = null);
[Throws]
void removeEventListener(DOMString type,
EventListener? listener,
optional boolean capture = false);
[Throws]
boolean dispatchEvent(Event event);
};