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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003-2023 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.
*
*/
#pragma once
#include "RenderBlockFlow.h"
#include "RenderListMarker.h"
namespace WebCore {
class HTMLOListElement;
class RenderListItem final : public RenderBlockFlow {
WTF_MAKE_ISO_ALLOCATED(RenderListItem);
public:
RenderListItem(Element&, RenderStyle&&);
virtual ~RenderListItem();
Element& element() const { return downcast<Element>(nodeForNonAnonymous()); }
int value() const;
void updateValue();
std::optional<int> explicitValue() const { return m_valueWasSetExplicitly ? m_value : std::nullopt; }
void setExplicitValue(std::optional<int>);
void setNotInList(bool notInList) { m_notInList = notInList; }
bool notInList() const { return m_notInList; }
WEBCORE_EXPORT StringView markerTextWithoutSuffix() const;
StringView markerTextWithSuffix() const;
void updateListMarkerNumbers();
static void updateItemValuesForOrderedList(const HTMLOListElement&);
static unsigned itemCountForOrderedList(const HTMLOListElement&);
RenderStyle computeMarkerStyle() const;
RenderListMarker* markerRenderer() const { return m_marker.get(); }
void setMarkerRenderer(RenderListMarker& marker) { m_marker = marker; }
bool isInReversedOrderedList() const;
private:
ASCIILiteral renderName() const final { return "RenderListItem"_s; }
bool isListItem() const final { return true; }
void insertedIntoTree(IsInternalMove) final;
void willBeRemovedFromTree(IsInternalMove) final;
void paint(PaintInfo&, const LayoutPoint&) final;
void layout() final;
void addOverflowFromChildren() final;
void computePreferredLogicalWidths() final;
void updateValueNow() const;
void explicitValueChanged();
WeakPtr<RenderListMarker> m_marker;
mutable std::optional<int> m_value;
bool m_valueWasSetExplicitly { false };
bool m_notInList { false };
};
bool isHTMLListElement(const Node&);
inline int RenderListItem::value() const
{
if (!m_value)
updateValueNow();
return m_value.value();
}
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderListItem, isListItem())
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