/*
 * 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 THIRD_PARTY_BLINK_RENDERER_CORE_HTML_HTML_HR_ELEMENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_HTML_HR_ELEMENT_H_

#include "third_party/blink/renderer/core/html/html_element.h"

namespace blink {

class HTMLSelectElement;

class CORE_EXPORT HTMLHRElement final : public HTMLElement {
  DEFINE_WRAPPERTYPEINFO();

 public:
  explicit HTMLHRElement(Document&);

  ElementType GetElementType() const final {
    return ElementType::kHTMLHRElement;
  }

  bool CanContainRangeEndPoint() const override { return HasChildren(); }

  bool IsRichlyEditableForAccessibility() const override { return false; }

  HTMLOptGroupElement* NearestAncestorOptgroup() const;

  void Trace(Visitor*) const override;

 private:
  HTMLSelectElement* OwnerSelectElement() const;
  void UpdateAncestors();

  bool IsPresentationAttribute(const QualifiedName&) const override;
  void CollectStyleForPresentationAttribute(
      const QualifiedName&,
      const AtomicString&,
      HeapVector<CSSPropertyValue, 8>&) override;
  InsertionNotificationRequest InsertedInto(ContainerNode&) override;
  void RemovedFrom(ContainerNode&) override;

  Member<HTMLSelectElement> nearest_ancestor_select_;
  Member<HTMLOptGroupElement> nearest_ancestor_optgroup_;
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_HTML_HR_ELEMENT_H_