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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 LayoutListItem_h
#define LayoutListItem_h
#include "core/layout/LayoutBlockFlow.h"
namespace blink {
class HTMLOListElement;
class LayoutListMarker;
class LayoutListItem final : public LayoutBlockFlow {
public:
explicit LayoutListItem(Element*);
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);
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;
LayoutListMarker* marker() const { return m_marker; }
const char* name() const override { return "LayoutListItem"; }
private:
bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectListItem || LayoutBlockFlow::isOfType(type); }
void willBeDestroyed() override;
void insertedIntoTree() override;
void willBeRemovedFromTree() override;
void paint(const PaintInfo&, const LayoutPoint&) const override;
void subtreeDidChange() final;
// Returns true if we re-attached and updated the location of the marker.
bool updateMarkerLocation();
void positionListMarker();
void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override;
void addOverflowFromChildren() override;
inline int calcValue() const;
void updateValueNow() const;
void explicitValueChanged();
int m_explicitValue;
LayoutListMarker* m_marker;
mutable int m_value;
bool m_hasExplicitValue : 1;
mutable bool m_isValueUpToDate : 1;
bool m_notInList : 1;
};
DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutListItem, isListItem());
} // namespace blink
#endif // LayoutListItem_h
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