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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 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.
enum BinaryType { "blob", "arraybuffer" };
interface WebSocket : EventTarget {
constructor(DOMString url, optional (DOMString or sequence<DOMString>) protocols = []);
readonly attribute DOMString url;
// ready state
const unsigned short CONNECTING = 0;
const unsigned short OPEN = 1;
const unsigned short CLOSING = 2;
const unsigned short CLOSED = 3;
readonly attribute unsigned short readyState;
readonly attribute unsigned long long bufferedAmount;
// networking
attribute EventHandler onopen;
attribute EventHandler onerror;
attribute EventHandler onclose;
readonly attribute DOMString extensions;
readonly attribute DOMString protocol;
void close(optional [Clamp] unsigned short code, optional DOMString reason);
// messaging
attribute EventHandler onmessage;
attribute BinaryType binaryType;
void send(DOMString data);
void send(Blob data);
void send(ArrayBuffer data);
void send(ArrayBufferView data);
// Support for creating server-side chrome-only WebSocket. Used in
// devtools remote debugging server.
interface nsITransportProvider;
partial interface WebSocket {
[ChromeOnly, NewObject, Throws]
static WebSocket createServerWebSocket(DOMString url,
sequence<DOMString> protocols,
nsITransportProvider transportProvider,
DOMString negotiatedExtensions);