core/events/EventTarget.idl

/*
 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
 * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

// https://dom.spec.whatwg.org/#interface-eventtarget

[
    CheckSecurity=Window,
    WillBeGarbageCollected,
    Exposed=(Window,Worker)
] interface EventTarget {
    // FIXME: first 2 args should be required, but throwing TypeError breaks
    // legacy content.  http://crbug.com/353484
    // FIXME: type should not be nullable.
    [Custom=(CallPrologue,CallEpilogue)] void addEventListener(optional DOMString? type = null, optional EventListener? listener = null, optional boolean capture = false);
    [Custom=(CallPrologue,CallEpilogue)] void removeEventListener(optional DOMString? type = null, optional EventListener? listener = null, optional boolean capture = false);
    [RaisesException] boolean dispatchEvent(Event event);
};