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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009 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 RenderListItem_h
#define RenderListItem_h
#include "core/rendering/RenderBlockFlow.h"
namespace blink {
class HTMLOListElement;
class RenderListMarker;
class RenderListItem final : public RenderBlockFlow {
public:
explicit RenderListItem(Element*);
virtual void trace(Visitor*) override;
int value() const { if (!m_isValueUpToDate) updateValueNow(); return m_value; }
void updateValue();
bool hasExplicitValue() const { return m_hasExplicitValue; }
int explicitValue() const { return m_explicitValue; }
void setExplicitValue(int value);
void clearExplicitValue();
void setNotInList(bool);
bool notInList() const { return m_notInList; }
const String& markerText() const;
void updateListMarkerNumbers();
static void updateItemValuesForOrderedList(const HTMLOListElement*);
static unsigned itemCountForOrderedList(const HTMLOListElement*);
bool isEmpty() const;
private:
virtual const char* renderName() const override { return "RenderListItem"; }
virtual bool isOfType(RenderObjectType type) const override { return type == RenderObjectListItem || RenderBlockFlow::isOfType(type); }
virtual void willBeDestroyed() override;
virtual void insertedIntoTree() override;
virtual void willBeRemovedFromTree() override;
virtual void paint(PaintInfo&, const LayoutPoint&) override;
virtual void layout() override;
// Returns true if we re-attached and updated the location of the marker.
bool updateMarkerLocation();
void updateMarkerLocationAndInvalidateWidth();
void positionListMarker();
virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
virtual void addOverflowFromChildren() override;
inline int calcValue() const;
void updateValueNow() const;
void explicitValueChanged();
int m_explicitValue;
RawPtrWillBeMember<RenderListMarker> m_marker;
mutable int m_value;
bool m_hasExplicitValue : 1;
mutable bool m_isValueUpToDate : 1;
bool m_notInList : 1;
};
DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderListItem, isListItem());
} // namespace blink
#endif // RenderListItem_h