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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 1999 Antti Koivisto (koivisto (at) kde.org)
      4  * Copyright (C) 2010 Apple Inc. All rights reserved.
      5  *
      6  * This library is free software; you can redistribute it and/or
      7  * modify it under the terms of the GNU Library General Public
      8  * License as published by the Free Software Foundation; either
      9  * version 2 of the License, or (at your option) any later version.
     10  *
     11  * This library is distributed in the hope that it will be useful,
     12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14  * Library General Public License for more details.
     15  *
     16  * You should have received a copy of the GNU Library General Public License
     17  * along with this library; see the file COPYING.LIB.  If not, write to
     18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     19  * Boston, MA 02110-1301, USA.
     20  *
     21  */
     22 
     23 #ifndef HTMLOListElement_h
     24 #define HTMLOListElement_h
     25 
     26 #include "core/html/HTMLElement.h"
     27 
     28 namespace WebCore {
     29 
     30 class HTMLOListElement FINAL : public HTMLElement {
     31 public:
     32     DECLARE_NODE_FACTORY(HTMLOListElement);
     33 
     34     int start() const { return m_hasExplicitStart ? m_start : (m_isReversed ? itemCount() : 1); }
     35     void setStart(int);
     36 
     37     bool isReversed() const { return m_isReversed; }
     38 
     39     void itemCountChanged() { m_shouldRecalculateItemCount = true; }
     40 
     41 private:
     42     explicit HTMLOListElement(Document&);
     43 
     44     void updateItemValues();
     45 
     46     unsigned itemCount() const
     47     {
     48         if (m_shouldRecalculateItemCount)
     49             const_cast<HTMLOListElement*>(this)->recalculateItemCount();
     50         return m_itemCount;
     51     }
     52 
     53     void recalculateItemCount();
     54 
     55     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     56     virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE;
     57     virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) OVERRIDE;
     58 
     59     int m_start;
     60     unsigned m_itemCount;
     61 
     62     bool m_hasExplicitStart : 1;
     63     bool m_isReversed : 1;
     64     bool m_shouldRecalculateItemCount : 1;
     65 };
     66 
     67 } //namespace
     68 
     69 #endif
     70