Source/WebCore/css/CSSRule.idl

/*
 * Copyright (C) 2006-2021 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.
 */

[
    CustomToJSObject,
    ExportToWrappedFunction,
    Exposed=Window,
    GenerateIsReachable,
    JSCustomHeader,
    JSCustomMarkFunction,
    ConstantsEnum=StyleRuleType
] interface CSSRule {
    attribute DOMString? cssText;
    readonly attribute CSSRule? parentRule;
    readonly attribute CSSStyleSheet? parentStyleSheet;

    readonly attribute unsigned short type;
    
    [ImplementedAs=Unknown] const unsigned short UNKNOWN_RULE = 0;
    [ImplementedAs=Style] const unsigned short STYLE_RULE = 1;
    [ImplementedAs=Charset] const unsigned short CHARSET_RULE = 2;
    [ImplementedAs=Import] const unsigned short IMPORT_RULE = 3;
    [ImplementedAs=Media] const unsigned short MEDIA_RULE = 4;
    [ImplementedAs=FontFace] const unsigned short FONT_FACE_RULE = 5;
    [ImplementedAs=Page] const unsigned short PAGE_RULE = 6;
    [ImplementedAs=Keyframes] const unsigned short KEYFRAMES_RULE = 7;
    [ImplementedAs=Keyframe] const unsigned short KEYFRAME_RULE = 8;
    [ImplementedAs=Margin] const unsigned short MARGIN_RULE = 9;
    [ImplementedAs=Namespace] const unsigned short NAMESPACE_RULE = 10;
    [ImplementedAs=CounterStyle, EnabledBySetting=CSSCounterStyleAtRulesEnabled] const unsigned short COUNTER_STYLE_RULE = 11;
    [ImplementedAs=Supports] const unsigned short SUPPORTS_RULE = 12;

    // Legacy synonyms for the above, kept to avoid breaking existing content.
    [ImplementedAs=Keyframes] const unsigned short WEBKIT_KEYFRAMES_RULE = 7;
    [ImplementedAs=Keyframe] const unsigned short WEBKIT_KEYFRAME_RULE = 8;
};