1/* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) 4 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009 Apple Inc. All rights reserved. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 * 21 */ 22 23#ifndef RenderListItem_h 24#define RenderListItem_h 25 26#include "RenderBlockFlow.h" 27#include "RenderPtr.h" 28 29namespace WebCore { 30 31class HTMLOListElement; 32class RenderListMarker; 33 34class RenderListItem final : public RenderBlockFlow { 35public: 36 RenderListItem(Element&, PassRef<RenderStyle>); 37 Element& element() const { return toElement(nodeForNonAnonymous()); } 38 39 int value() const { if (!m_isValueUpToDate) updateValueNow(); return m_value; } 40 void updateValue(); 41 42 bool hasExplicitValue() const { return m_hasExplicitValue; } 43 int explicitValue() const { return m_explicitValue; } 44 void setExplicitValue(int value); 45 void clearExplicitValue(); 46 47 void setNotInList(bool notInList) { m_notInList = notInList; } 48 bool notInList() const { return m_notInList; } 49 50 const String& markerText() const; 51 String markerTextWithSuffix() const; 52 53 void updateListMarkerNumbers(); 54 55 static void updateItemValuesForOrderedList(const HTMLOListElement*); 56 static unsigned itemCountForOrderedList(const HTMLOListElement*); 57 58private: 59 virtual const char* renderName() const override { return "RenderListItem"; } 60 61 virtual bool isListItem() const override { return true; } 62 63 virtual void willBeDestroyed() override; 64 65 virtual void insertedIntoTree() override; 66 virtual void willBeRemovedFromTree() override; 67 68 virtual bool isEmpty() const override; 69 virtual void paint(PaintInfo&, const LayoutPoint&) override; 70 71 virtual void layout() override; 72 73 void positionListMarker(); 74 75 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override; 76 77 virtual bool requiresForcedStyleRecalcPropagation() const override { return true; } 78 79 virtual void addOverflowFromChildren() override; 80 virtual void computePreferredLogicalWidths() override; 81 82 void insertOrMoveMarkerRendererIfNeeded(); 83 inline int calcValue() const; 84 void updateValueNow() const; 85 void explicitValueChanged(); 86 87 int m_explicitValue; 88 RenderPtr<RenderListMarker> m_marker; 89 mutable int m_value; 90 91 bool m_hasExplicitValue : 1; 92 mutable bool m_isValueUpToDate : 1; 93 bool m_notInList : 1; 94}; 95 96RENDER_OBJECT_TYPE_CASTS(RenderListItem, isListItem()) 97 98} // namespace WebCore 99 100#endif // RenderListItem_h 101