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