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#ifndef CSSGroupingRule_h
24#define CSSGroupingRule_h
25
26#include "CSSRule.h"
27#include "StyleRule.h"
28#include <memory>
29#include <wtf/Vector.h>
30
31namespace WebCore {
32
33class CSSRuleList;
34
35class CSSGroupingRule : public CSSRule {
36public:
37    virtual ~CSSGroupingRule();
38
39    virtual void reattach(StyleRuleBase*) override;
40
41    CSSRuleList* cssRules() const;
42
43    unsigned insertRule(const String& rule, unsigned index, ExceptionCode&);
44    void deleteRule(unsigned index, ExceptionCode&);
45
46    // For CSSRuleList
47    unsigned length() const;
48    CSSRule* item(unsigned index) const;
49
50protected:
51    CSSGroupingRule(StyleRuleGroup* groupRule, CSSStyleSheet* parent);
52
53    void appendCssTextForItems(StringBuilder&) const;
54
55    RefPtr<StyleRuleGroup> m_groupRule;
56    mutable Vector<RefPtr<CSSRule>> m_childRuleCSSOMWrappers;
57    mutable std::unique_ptr<CSSRuleList> m_ruleListCSSOMWrapper;
58};
59
60} // namespace WebCore
61
62#endif // CSSGroupingRule_h
63