/*
 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
 * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

interface CSSStyleSheet : StyleSheet {
    readonly attribute CSSRule ownerRule;
    readonly attribute CSSRuleList cssRules;

    [MayThrowException] unsigned long insertRule(DOMString rule, optional unsigned long index = 0);

    [MayThrowException] void deleteRule(unsigned long index);

    readonly attribute CSSRuleList rules;

    // The following two operations are WebKit-specific.
    [MayThrowException] long addRule(optional DOMString selector = "undefined", optional DOMString style = "undefined", optional unsigned long index);
    [MayThrowException] void removeRule(optional unsigned long index = 0);
};