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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
* The origin of this IDL file is
* Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
* liability, trademark and document use rules apply.
interface InputStream;
interface MozChannel;
enum XMLHttpRequestResponseType {
* Parameters for instantiating an XMLHttpRequest. They are passed as an
* optional argument to the constructor:
* new XMLHttpRequest({anon: true, system: true});
dictionary MozXMLHttpRequestParameters
* If true, the request will be sent without cookie and authentication
* headers.
boolean mozAnon = false;
* If true, the same origin policy will not be enforced on the request.
boolean mozSystem = false;
interface XMLHttpRequest : XMLHttpRequestEventTarget {
constructor(optional MozXMLHttpRequestParameters params = {});
// There are apparently callers, specifically CoffeeScript, who do
// things like this:
// c = new(window.ActiveXObject || XMLHttpRequest)("Microsoft.XMLHTTP")
// To handle that, we need a constructor that takes a string.
constructor(DOMString ignored);
// event handler
attribute EventHandler onreadystatechange;
// states
const unsigned short UNSENT = 0;
const unsigned short OPENED = 1;
const unsigned short HEADERS_RECEIVED = 2;
const unsigned short LOADING = 3;
const unsigned short DONE = 4;
readonly attribute unsigned short readyState;
// request
void open(ByteString method, USVString url);
void open(ByteString method, USVString url, boolean async,
optional USVString? user=null, optional USVString? password=null);
void setRequestHeader(ByteString header, ByteString value);
attribute unsigned long timeout;
attribute boolean withCredentials;
readonly attribute XMLHttpRequestUpload upload;
void send(optional (Document or XMLHttpRequestBodyInit)? body = null);
void abort();
// response
readonly attribute USVString responseURL;
readonly attribute unsigned short status;
readonly attribute ByteString statusText;
ByteString? getResponseHeader(ByteString header);
ByteString getAllResponseHeaders();
void overrideMimeType(DOMString mime);
attribute XMLHttpRequestResponseType responseType;
readonly attribute any response;
[Cached, Pure, Throws]
readonly attribute USVString? responseText;
[Throws, Exposed=Window]
readonly attribute Document? responseXML;
// Mozilla-specific stuff
[ChromeOnly, SetterThrows]
attribute boolean mozBackgroundRequest;
[ChromeOnly, Exposed=Window]
readonly attribute MozChannel? channel;
[Throws, ChromeOnly, Exposed=Window]
any getInterface(any iid);
[ChromeOnly, Exposed=Window]
void setOriginAttributes(optional OriginAttributesDictionary originAttributes = {});
[ChromeOnly, Throws]
void sendInputStream(InputStream body);
// Only works on MainThread.
// Its permanence is to be evaluated in bug 1368540 for Firefox 60.
readonly attribute unsigned short errorCode;
readonly attribute boolean mozAnon;
readonly attribute boolean mozSystem;