1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) 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 "RenderBlock.h" 27 28 namespace WebCore { 29 30 class RenderListMarker; 31 32 class RenderListItem : public RenderBlock { 33 public: 34 RenderListItem(Node*); 35 36 int value() const { if (!m_isValueUpToDate) updateValueNow(); return m_value; } 37 void updateValue(); 38 39 bool hasExplicitValue() const { return m_hasExplicitValue; } 40 int explicitValue() const { return m_explicitValue; } 41 void setExplicitValue(int value); 42 void clearExplicitValue(); 43 44 void setNotInList(bool notInList) { m_notInList = notInList; } 45 bool notInList() const { return m_notInList; } 46 47 const String& markerText() const; 48 49 private: 50 virtual const char* renderName() const { return "RenderListItem"; } 51 52 virtual bool isListItem() const { return true; } 53 54 virtual void destroy(); 55 56 virtual bool isEmpty() const; 57 virtual void paint(PaintInfo&, int tx, int ty); 58 59 virtual void layout(); 60 virtual void calcPrefWidths(); 61 62 virtual void positionListMarker(); 63 64 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); 65 66 void updateMarkerLocation(); 67 inline int calcValue() const; 68 void updateValueNow() const; 69 void explicitValueChanged(); 70 71 RenderListMarker* m_marker; 72 int m_explicitValue; 73 mutable int m_value; 74 75 bool m_hasExplicitValue : 1; 76 mutable bool m_isValueUpToDate : 1; 77 bool m_notInList : 1; 78 }; 79 80 inline RenderListItem* toRenderListItem(RenderObject* object) 81 { 82 ASSERT(!object || object->isListItem()); 83 return static_cast<RenderListItem*>(object); 84 } 85 86 // This will catch anyone doing an unnecessary cast. 87 void toRenderListItem(const RenderListItem*); 88 89 } // namespace WebCore 90 91 #endif // RenderListItem_h 92
