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 "core/rendering/RenderBlockFlow.h"
27
28namespace WebCore {
29
30class HTMLOListElement;
31class RenderListMarker;
32
33class RenderListItem FINAL : public RenderBlockFlow {
34public:
35    explicit RenderListItem(Element*);
36
37    int value() const { if (!m_isValueUpToDate) updateValueNow(); return m_value; }
38    void updateValue();
39
40    bool hasExplicitValue() const { return m_hasExplicitValue; }
41    int explicitValue() const { return m_explicitValue; }
42    void setExplicitValue(int value);
43    void clearExplicitValue();
44
45    void setNotInList(bool notInList) { m_notInList = notInList; }
46    bool notInList() const { return m_notInList; }
47
48    const String& markerText() const;
49    String markerTextWithSuffix() const;
50
51    void updateListMarkerNumbers();
52    void updateMarkerLocation();
53
54    static void updateItemValuesForOrderedList(const HTMLOListElement*);
55    static unsigned itemCountForOrderedList(const HTMLOListElement*);
56
57private:
58    virtual const char* renderName() const { return "RenderListItem"; }
59
60    virtual bool isListItem() const { return true; }
61
62    virtual void willBeDestroyed();
63
64    virtual void insertedIntoTree() OVERRIDE;
65    virtual void willBeRemovedFromTree() OVERRIDE;
66
67    virtual bool isEmpty() const;
68    virtual void paint(PaintInfo&, const LayoutPoint&);
69
70    virtual void layout();
71
72    virtual bool supportsPartialLayout() const OVERRIDE { return false; }
73
74    void positionListMarker();
75
76    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
77
78    virtual void addOverflowFromChildren();
79
80    inline int calcValue() const;
81    void updateValueNow() const;
82    void explicitValueChanged();
83
84    int m_explicitValue;
85    RenderListMarker* m_marker;
86    mutable int m_value;
87
88    bool m_hasExplicitValue : 1;
89    mutable bool m_isValueUpToDate : 1;
90    bool m_notInList : 1;
91};
92
93DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderListItem, isListItem());
94
95} // namespace WebCore
96
97#endif // RenderListItem_h
98