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/gecko_sdk/idl/nsIRequestObserver.idl

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IDL | 75 lines | 11 code | 4 blank | 60 comment | 0 complexity | 468911b4ca5ff4b5ab077c3d5c785b79 MD5 | raw file
 1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 2/* ***** BEGIN LICENSE BLOCK *****
 3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 4 *
 5 * The contents of this file are subject to the Mozilla Public License Version
 6 * 1.1 (the "License"); you may not use this file except in compliance with
 7 * the License. You may obtain a copy of the License at
 8 * http://www.mozilla.org/MPL/
 9 *
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
13 * License.
14 *
15 * The Original Code is mozilla.org code.
16 *
17 * The Initial Developer of the Original Code is
18 * Netscape Communications Corporation.
19 * Portions created by the Initial Developer are Copyright (C) 1998
20 * the Initial Developer. All Rights Reserved.
21 *
22 * Contributor(s):
23 *
24 * Alternatively, the contents of this file may be used under the terms of
25 * either the GNU General Public License Version 2 or later (the "GPL"), or
26 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 * in which case the provisions of the GPL or the LGPL are applicable instead
28 * of those above. If you wish to allow use of your version of this file only
29 * under the terms of either the GPL or the LGPL, and not to allow others to
30 * use your version of this file under the terms of the MPL, indicate your
31 * decision by deleting the provisions above and replace them with the notice
32 * and other provisions required by the GPL or the LGPL. If you do not delete
33 * the provisions above, a recipient may use your version of this file under
34 * the terms of any one of the MPL, the GPL or the LGPL.
35 *
36 * ***** END LICENSE BLOCK ***** */
37
38#include "nsISupports.idl"
39
40interface nsIRequest;
41
42/**
43 * nsIRequestObserver
44 *
45 * @status FROZEN
46 */
47[scriptable, uuid(fd91e2e0-1481-11d3-9333-00104ba0fd40)]
48interface nsIRequestObserver : nsISupports
49{
50    /**
51     * Called to signify the beginning of an asynchronous request.
52     *
53     * @param aRequest request being observed
54     * @param aContext user defined context
55     *
56     * An exception thrown from onStartRequest has the side-effect of
57     * causing the request to be canceled.
58     */
59    void onStartRequest(in nsIRequest aRequest,
60                        in nsISupports aContext);
61
62    /**
63     * Called to signify the end of an asynchronous request.  This
64     * call is always preceded by a call to onStartRequest.
65     *
66     * @param aRequest request being observed
67     * @param aContext user defined context
68     * @param aStatusCode reason for stopping (NS_OK if completed successfully)
69     *
70     * An exception thrown from onStopRequest is generally ignored.
71     */
72    void onStopRequest(in nsIRequest aRequest,
73                       in nsISupports aContext,
74                       in nsresult aStatusCode);
75};