third_party/WebKit/Source/core/css/CSSGroupingRule.h

   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 "core/css/CSSRule.h"
  27 #include "core/css/StyleRule.h"
  28 #include "wtf/Vector.h"
  29
  30 namespace blink {
  31
  32 class ExceptionState;
  33 class CSSRuleList;
  34
  35 class CSSGroupingRule : public CSSRule {
  36     DEFINE_WRAPPERTYPEINFO();
  37 public:
  38     ~CSSGroupingRule() override;
  39
  40     void reattach(StyleRuleBase*) override;
  41
  42     CSSRuleList* cssRules() const override;
  43
  44     unsigned insertRule(const String& rule, unsigned index, ExceptionState&);
  45     void deleteRule(unsigned index, ExceptionState&);
  46
  47     // For CSSRuleList
  48     unsigned length() const;
  49     CSSRule* item(unsigned index) const;
  50
  51     DECLARE_VIRTUAL_TRACE();
  52
  53 protected:
  54     CSSGroupingRule(StyleRuleGroup* groupRule, CSSStyleSheet* parent);
  55
  56     void appendCSSTextForItems(StringBuilder&) const;
  57
  58     RefPtrWillBeMember<StyleRuleGroup> m_groupRule;
  59     mutable WillBeHeapVector<RefPtrWillBeMember<CSSRule>> m_childRuleCSSOMWrappers;
  60     mutable OwnPtrWillBeMember<CSSRuleList> m_ruleListCSSOMWrapper;
  61 };
  62
  63 } // namespace blink
  64
  65 #endif // CSSGroupingRule_h