gecko/content/base/public/nsIEventSource.idl

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* France Telecom Research and Development.
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Joshua Randall <jcrandall@alum.mit.edu> (original author)
* Wellington Fernando de Macedo <wfernandom2004@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/**
* The nsIEventSource interface is the interface for server-sent
* DOM events as described in
* http://dev.w3.org/html5/eventsource/#eventsource
*
*/
#include "nsISupports.idl"
interface nsIDOMEventListener;
interface nsIPrincipal;
interface nsIScriptContext;
interface nsPIDOMWindow;
[scriptable, uuid(755e2d2d-a836-4539-83f4-16b51156341f)]
interface nsIEventSource : nsISupports
{
readonly attribute DOMString url;
// ready state
const unsigned short CONNECTING = 0;
const unsigned short OPEN = 1;
const unsigned short CLOSED = 2;
readonly attribute long readyState;
// event handler attributes
attribute nsIDOMEventListener onopen;
attribute nsIDOMEventListener onmessage;
attribute nsIDOMEventListener onerror;
/**
* Close the connection, if any, and set the readyState attribute to CLOSED.
* If the connection is already closed, the method does nothing.
*/
void close();
/**
* Initialize the object for use from C++ code with the principal, script
* context, and owner window that should be used.
*
* @param principal The principal to use for the request. This must not be
* null.
* @param scriptContext The script context to use for the request. May be
* null.
* @param ownerWindow The associated window for the request. May be null.
* @param url The EventSource's url. This must not be empty.
*/
[noscript] void init(in nsIPrincipal principal,
in nsIScriptContext scriptContext,
in nsPIDOMWindow ownerWindow,
in DOMString url);
};