/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** 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.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications.
 * Portions created by the Initial Developer are Copyright (C) 2012
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Patrick McManus <mcmanus@ducksong.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 ***** */

#include "nsISupports.idl"

interface nsIURI;
interface nsIInterfaceRequestor;
interface nsIEventTarget;

[scriptable, uuid(b3c53863-1313-480a-90a2-5b0da651ee5e)]
interface nsISpeculativeConnect : nsISupports
{
    /**
     * Called as a hint to indicate a new transaction for the URI is likely coming
     * soon. The implementer may use this information to start a TCP
     * and/or SSL level handshake for that resource immediately so that it is
     * ready and/or progressed when the transaction is actually submitted.
     *
     * No obligation is taken on by the implementer, nor is the submitter obligated
     * to actually open the new channel. 
     *
     * @param aURI the URI of the hinted transaction
     * @param aCallbacks any security callbacks for use with SSL for interfaces
     *        such as nsIBadCertListener. May be null.
     * @param aTarget the thread on which the release of the callbacks will
     *        occur. May be null for "any thread".
     *
     */
    void speculativeConnect(in nsIURI aURI,
                            in nsIInterfaceRequestor aCallbacks,
                            in nsIEventTarget aTarget);

};

