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.
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.
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.
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.
23 #ifndef RenderListItem_h
24 #define RenderListItem_h
26 #include "core/rendering/RenderBlockFlow.h"
30 class HTMLOListElement;
31 class RenderListMarker;
33 class RenderListItem final : public RenderBlockFlow {
35 explicit RenderListItem(Element*);
36 virtual void trace(Visitor*) override;
38 int value() const { if (!m_isValueUpToDate) updateValueNow(); return m_value; }
41 bool hasExplicitValue() const { return m_hasExplicitValue; }
42 int explicitValue() const { return m_explicitValue; }
43 void setExplicitValue(int value);
44 void clearExplicitValue();
46 void setNotInList(bool);
47 bool notInList() const { return m_notInList; }
49 const String& markerText() const;
51 void updateListMarkerNumbers();
53 static void updateItemValuesForOrderedList(const HTMLOListElement*);
54 static unsigned itemCountForOrderedList(const HTMLOListElement*);
59 virtual const char* renderName() const override { return "RenderListItem"; }
61 virtual bool isOfType(RenderObjectType type) const override { return type == RenderObjectListItem || RenderBlockFlow::isOfType(type); }
63 virtual void willBeDestroyed() override;
65 virtual void insertedIntoTree() override;
66 virtual void willBeRemovedFromTree() override;
68 virtual void paint(PaintInfo&, const LayoutPoint&) override;
70 virtual void layout() override;
72 // Returns true if we re-attached and updated the location of the marker.
73 bool updateMarkerLocation();
74 void updateMarkerLocationAndInvalidateWidth();
76 void positionListMarker();
78 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
80 virtual void addOverflowFromChildren() override;
82 inline int calcValue() const;
83 void updateValueNow() const;
84 void explicitValueChanged();
87 RawPtrWillBeMember<RenderListMarker> m_marker;
90 bool m_hasExplicitValue : 1;
91 mutable bool m_isValueUpToDate : 1;
95 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderListItem, isListItem());
99 #endif // RenderListItem_h