third_party/WebKit/Source/core/html/HTMLOListElement.h

/*
 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
 *           (C) 1999 Antti Koivisto (koivisto@kde.org)
 * Copyright (C) 2010 Apple Inc. All rights reserved.
 *
 * 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 HTMLOListElement_h
#define HTMLOListElement_h

#include "core/html/HTMLElement.h"

namespace blink {

class HTMLOListElement final : public HTMLElement {
  DEFINE_WRAPPERTYPEINFO();

 public:
  DECLARE_NODE_FACTORY(HTMLOListElement);

  int start() const {
    return m_hasExplicitStart ? m_start : (m_isReversed ? itemCount() : 1);
  }
  void setStart(int);

  bool isReversed() const { return m_isReversed; }

  void itemCountChanged() { m_shouldRecalculateItemCount = true; }

 private:
  explicit HTMLOListElement(Document&);

  void updateItemValues();

  unsigned itemCount() const {
    if (m_shouldRecalculateItemCount)
      const_cast<HTMLOListElement*>(this)->recalculateItemCount();
    return m_itemCount;
  }

  void recalculateItemCount();

  void parseAttribute(const QualifiedName&,
                      const AtomicString&,
                      const AtomicString&) override;
  bool isPresentationAttribute(const QualifiedName&) const override;
  void collectStyleForPresentationAttribute(const QualifiedName&,
                                            const AtomicString&,
                                            MutableStylePropertySet*) override;

  int m_start;
  unsigned m_itemCount;

  bool m_hasExplicitStart : 1;
  bool m_isReversed : 1;
  bool m_shouldRecalculateItemCount : 1;
};

}  // namespace blink

#endif  // HTMLOListElement_h