Source/WebCore/css/CSSStyleSheet.idl

/*
 * Copyright (C) 2006-2024 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.
 */

// https://drafts.csswg.org/cssom/#the-cssstylesheet-interface

[
    Exposed=Window,
    JSGenerateToNativeObject
] interface CSSStyleSheet : StyleSheet {
    [CallWith=CurrentDocument] constructor(optional CSSStyleSheetInit options = {});

    // FIXME: `ownerRule` should be nullable.
    readonly attribute CSSRule ownerRule;
    // FIXME: Add [SameObject] below after https://webkit.org/b/163414
    [ImplementedAs=cssRulesForBindings] readonly attribute CSSRuleList cssRules;
    unsigned long insertRule(DOMString rule, optional unsigned long index = 0);
    undefined deleteRule(unsigned long index);

    // Non-standard.
    readonly attribute CSSRuleList rules;
    long addRule(optional DOMString selector = "undefined", optional DOMString style = "undefined", optional unsigned long index);
    undefined removeRule(optional unsigned long index = 0);

    Promise<CSSStyleSheet> replace(USVString text);
    undefined replaceSync(USVString text);
};

dictionary CSSStyleSheetInit {
    DOMString baseURL = null;
    (MediaList or DOMString) media = "";
    boolean disabled = false;
};