/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * 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 Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 */

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

interface nsIURI;
interface nsILoadGroup;
interface nsIStreamObserver;
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 unsigned long bufferSegmentSize,
              in unsigned long bufferMaxSize);

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

    /**
     * Gets the channel that loaded this file
     */
    readonly attribute nsIChannel channel;

};

%{C++

#define NS_STREAMLOADER_CID                   \
{ /* 5BA6D920-D4E9-11d3-A1A5-0050041CAF44 */         \
 0x5ba6d920, 0xd4e9, 0x11d3, { 0xa1, 0xa5, 0x0, 0x50, 0x4, 0x1c, 0xaf, 0x44 } \
}

%}
