author owlishDeveloper <>
Thu, 23 Mar 2023 17:05:27 +0000
changeset 657741 75b3c6c4437624f59fcaff278bb8f5b88358e3a6
parent 639271 b9a4ca8f31c097e395e95b6161efb73478e6f2a2
permissions -rw-r--r--
Bug 1806179 - Add tests for the cookie banner events API r=geckoview-reviewers,m_kato,amejiamarmol Differential Revision:

/* -*- 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
 * The origin of this IDL file is
 * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
 * liability, trademark and document use rules apply.

dictionary EventListenerOptions {
  boolean capture = false;
  /* Setting to true make the listener be added to the system group. */
  boolean mozSystemGroup = false;

dictionary AddEventListenerOptions : EventListenerOptions {
  boolean passive;
  boolean once = false;
  AbortSignal signal;
  boolean wantUntrusted;

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. */
  undefined addEventListener(DOMString type,
                             EventListener? listener,
                             optional (AddEventListenerOptions or boolean) options = {},
                             optional boolean? wantsUntrusted = null);
  undefined removeEventListener(DOMString type,
                                EventListener? listener,
                                optional (EventListenerOptions or boolean) options = {});
  [Throws, NeedsCallerType]
  boolean dispatchEvent(Event event);

// Mozilla extensions for use by JS-implemented event targets to
// implement on* properties.
partial interface EventTarget {
  // The use of [TreatNonCallableAsNull] here is a bit of a hack: it just makes
  // the codegen check whether the type involved is either
  // [TreatNonCallableAsNull] or [TreatNonObjectAsNull] and if it is handle it
  // accordingly.  In particular, it will NOT actually treat a non-null
  // non-callable object as null here.
  [ChromeOnly, Throws]
  undefined setEventHandler(DOMString type,
                            [TreatNonCallableAsNull] EventHandler handler);

  EventHandler getEventHandler(DOMString type);

// Mozilla extension to make firing events on event targets from
// chrome easier.  This returns the window which can be used to create
// events to fire at this EventTarget, or null if there isn't one.
partial interface EventTarget {
  [ChromeOnly, Exposed=Window, BinaryName="ownerGlobalForBindings"]
  readonly attribute WindowProxy? ownerGlobal;