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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * 
 * 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 http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

interface nsILDAPMessage;

interface nsILDAPConnection;

/** 
 * A callback interface to be implemented by any objects that want to 
 * receive results from an nsILDAPOperation (ie nsILDAPMessages) as they
 * come in.
 */
[scriptable, uuid(dc721d4b-3ff2-4387-a80c-5e29545f774a)]
interface nsILDAPMessageListener : nsISupports
{
    /**
     * Messages received are passed back via this function.
     *
     * @arg aMessage  The message that was returned, NULL if none was.
     *
     * XXX semantics of NULL?
     */
    void onLDAPMessage(in nsILDAPMessage aMessage);

    /**
     * Notify the listener that the Init has completed, passing
     * in the results from the connection initialization. The
     * Reason for this is to allow us to do asynchronous DNS
     * lookups, preresolving hostnames.
     *
     * @arg aConn     The LDAP connection in question
     * @arg aStatus   The result from the LDAP connection init
     */
    void onLDAPInit(in nsILDAPConnection aConn, in nsresult aStatus);
};