text: /*
   * (C) 1999-2003 Lars Knoll (knoll@kde.org)
   * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
   * Copyright (C) 2002, 2006, 2008, 2012 Apple Inc. All rights reserved.
   * Copyright (C) 2006 Samuel Weinig (sam@webkit.org)
   *
   * 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.
   */
  
  #ifndef CSSGroupingRule_h
  #define CSSGroupingRule_h
  
  #include "core/css/CSSRule.h"
  #include "core/css/StyleRule.h"
  #include "wtf/Vector.h"
  
  namespace WebCore {
  
  class ExceptionState;
  class CSSRuleList;
  
  class CSSGroupingRule : public CSSRule {
  public:
      virtual ~CSSGroupingRule();
  
      virtual void reattach(StyleRuleBase*) OVERRIDE;
  
      CSSRuleList* cssRules() const;
  
      unsigned insertRule(const String& rule, unsigned index, ExceptionState&);
      void deleteRule(unsigned index, ExceptionState&);
  
      // For CSSRuleList
      unsigned length() const;
      CSSRule* item(unsigned index) const;
  
      virtual void trace(Visitor*) OVERRIDE;
  
  protected:
      CSSGroupingRule(StyleRuleGroup* groupRule, CSSStyleSheet* parent);
  
      void appendCSSTextForItems(StringBuilder&) const;
  
      RefPtrWillBeMember<StyleRuleGroup> m_groupRule;
      mutable WillBeHeapVector<RefPtrWillBeMember<CSSRule> > m_childRuleCSSOMWrappers;
      mutable OwnPtrWillBeMember<CSSRuleList> m_ruleListCSSOMWrapper;
  };
  
  } // namespace WebCore
  
  #endif // CSSGroupingRule_h
  