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 "RenderBlock.h"
27
28 namespace WebCore {
29
30 class RenderListMarker;
31
32 class RenderListItem : public RenderBlock {
33 public:
34 explicit RenderListItem(Node*);
35
value()36 int value() const { if (!m_isValueUpToDate) updateValueNow(); return m_value; }
37 void updateValue();
38
hasExplicitValue()39 bool hasExplicitValue() const { return m_hasExplicitValue; }
explicitValue()40 int explicitValue() const { return m_explicitValue; }
41 void setExplicitValue(int value);
42 void clearExplicitValue();
43
setNotInList(bool notInList)44 void setNotInList(bool notInList) { m_notInList = notInList; }
notInList()45 bool notInList() const { return m_notInList; }
46
47 const String& markerText() const;
48 String markerTextWithSuffix() const;
49
50 void updateListMarkerNumbers();
51
52 private:
renderName()53 virtual const char* renderName() const { return "RenderListItem"; }
54
isListItem()55 virtual bool isListItem() const { return true; }
56
57 virtual void destroy();
58
59 virtual bool isEmpty() const;
60 virtual void paint(PaintInfo&, int tx, int ty);
61
62 virtual void layout();
63 virtual void computePreferredLogicalWidths();
64
65 void positionListMarker();
66
67 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
68
requiresForcedStyleRecalcPropagation()69 virtual bool requiresForcedStyleRecalcPropagation() const { return true; }
70
71 virtual void addOverflowFromChildren();
72
73 void updateMarkerLocation();
74 inline int calcValue() const;
75 void updateValueNow() const;
76 void explicitValueChanged();
77
78 RenderListMarker* m_marker;
79 int m_explicitValue;
80 mutable int m_value;
81
82 bool m_hasExplicitValue : 1;
83 mutable bool m_isValueUpToDate : 1;
84 bool m_notInList : 1;
85 };
86
toRenderListItem(RenderObject * object)87 inline RenderListItem* toRenderListItem(RenderObject* object)
88 {
89 ASSERT(!object || object->isListItem());
90 return static_cast<RenderListItem*>(object);
91 }
92
93 // This will catch anyone doing an unnecessary cast.
94 void toRenderListItem(const RenderListItem*);
95
96 } // namespace WebCore
97
98 #endif // RenderListItem_h
99