/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape 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/NPL/
 *
 * 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 
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * 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 NPL, 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 NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"
#include "nsIChannel.idl"

interface nsIRequest;
interface nsIURI;
interface nsILoadGroup;
interface nsIStreamLoader;
interface nsIInterfaceRequestor;

[scriptable, uuid(359F7990-D4E9-11d3-A1A5-0050041CAF44)]
interface nsIStreamLoaderObserver : nsISupports
{
    void onStreamComplete(in nsIStreamLoader loader,
                          in nsISupports ctxt,
                          in nsresult status,
                          in unsigned long resultLength,
                          [size_is(resultLength)] in string result);
};

[scriptable, uuid(31d37360-8e5a-11d3-93ad-00104ba0fd40)]
interface nsIStreamLoader : nsISupports
{
    void init(in nsIURI uri,
              in nsIStreamLoaderObserver completionObserver,
              in nsISupports ctxt,
              in nsILoadGroup loadGroup,
              in nsIInterfaceRequestor notificationCallbacks,
              in nsLoadFlags loadAttributes,
              in nsIURI referrer,
              in unsigned long refererFlags);

    /**
     * Gets the number of bytes read so far.
     */
    readonly attribute unsigned long numBytesRead;

    /**
     * Gets the request that loaded this file
     */
    readonly attribute nsIRequest request;
};