1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #include
"nsISupports.idl"
9 * nsIMutable defines an interface to be implemented by objects which
10 * can be made immutable.
12 [scriptable
, uuid(321578d0
-03c1
-4d95
-8821-021ac612d18d
)]
13 interface nsIMutable
: nsISupports
16 * Control whether or not this object can be modified. If the flag is
17 * false, no modification is allowed. Once the flag has been set to false,
18 * it cannot be reset back to true -- attempts to do so throw
19 * NS_ERROR_INVALID_ARG.
21 attribute
boolean mutable
;