1/*
2 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
4 * Copyright (C) 2002, 2006, 2008, 2012 Apple Inc. All rights reserved.
5 * Copyright (C) 2006 Samuel Weinig (sam@webkit.org)
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23#pragma once
24
25#include "CSSRule.h"
26#include <memory>
27#include <wtf/Vector.h>
28
29namespace WebCore {
30
31class CSSRuleList;
32class StyleRuleGroup;
33
34class CSSGroupingRule : public CSSRule {
35public:
36 virtual ~CSSGroupingRule();
37
38 WEBCORE_EXPORT CSSRuleList& cssRules() const;
39
40 WEBCORE_EXPORT ExceptionOr<unsigned> insertRule(const String& rule, unsigned index);
41 WEBCORE_EXPORT ExceptionOr<void> deleteRule(unsigned index);
42
43 // For CSSRuleList
44 unsigned length() const;
45 CSSRule* item(unsigned index) const;
46
47protected:
48 CSSGroupingRule(StyleRuleGroup& groupRule, CSSStyleSheet* parent);
49
50 void reattach(StyleRuleBase&) override;
51
52 void appendCssTextForItems(StringBuilder&) const;
53
54 Ref<StyleRuleGroup> m_groupRule;
55
56private:
57 mutable Vector<RefPtr<CSSRule>> m_childRuleCSSOMWrappers;
58 mutable std::unique_ptr<CSSRuleList> m_ruleListCSSOMWrapper;
59};
60
61} // namespace WebCore
62