|
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
|
2 /* vim:set ts=2 sw=2 sts=2 et cindent: */ |
|
3 /* This Source Code Form is subject to the terms of the Mozilla Public |
|
4 * License, v. 2.0. If a copy of the MPL was not distributed with this |
|
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
|
6 |
|
7 #include "nsISupports.idl" |
|
8 |
|
9 /** |
|
10 * This interface provides a means to cancel an operation that is in progress. |
|
11 */ |
|
12 [scriptable, uuid(d94ac0a0-bb18-46b8-844e-84159064b0bd)] |
|
13 interface nsICancelable : nsISupports |
|
14 { |
|
15 /** |
|
16 * Call this method to request that this object abort whatever operation it |
|
17 * may be performing. |
|
18 * |
|
19 * @param aReason |
|
20 * Pass a failure code to indicate the reason why this operation is |
|
21 * being canceled. It is an error to pass a success code. |
|
22 */ |
|
23 void cancel(in nsresult aReason); |
|
24 }; |