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/. */
7 #include
"nsISupports.idl"
10 * This interface provides a means to cancel an operation that is in progress.
12 [scriptable
, uuid(d94ac0a0
-bb18
-46b8
-844e-84159064b0bd
)]
13 interface nsICancelable
: nsISupports
16 * Call this method to request that this object abort whatever operation it
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.
23 void cancel
(in nsresult aReason
);