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/* ***** 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 Google Inc.
 * Portions created by the Initial Developer are Copyright (C) 2005
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *  Darin Fisher <darin@meer.net>
 *
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 * 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"),
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 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"

interface nsIURI;
interface nsIProxyInfo;
interface nsICancelable;

/**
 * This interface serves as a closure for nsIProtocolProxyService's
 * asyncResolve method.
 *
 * @status UNDER_REVIEW
 */
[scriptable, uuid(a9967200-f95e-45c2-beb3-9b060d874bfd)]
interface nsIProtocolProxyCallback : nsISupports
{
  /**
   * This method is called when proxy info is available or when an error
   * in the proxy resolution occurs.
   *
   * @param aRequest
   *        The value returned from asyncResolve.
   * @param aURI
   *        The URI passed to asyncResolve.
   * @param aProxyInfo
   *        The resulting proxy info or null if there is no associated proxy
   *        info for aURI.  As with the result of nsIProtocolProxyService's
   *        resolve method, a null result implies that a direct connection
   *        should be used.
   * @param aStatus
   *        The status of the callback.  This is a failure code if the request
   *        could not be satisfied, in which case the value of aStatus
   *        indicates the reason for the failure and aProxyInfo will be null.
   */
  void onProxyAvailable(in nsICancelable aRequest,
                        in nsIURI aURI,
                        in nsIProxyInfo aProxyInfo,
                        in nsresult aStatus);
};
