WebCore/RenderListItem.h

   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 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     virtual const char* renderName() const { return "RenderListItem"; }
  37
  38     virtual bool isListItem() const { return true; }
  39
  40     virtual void destroy();
  41
  42     int value() const { if (!m_isValueUpToDate) updateValueNow(); return m_value; }
  43     void updateValue();
  44
  45     bool hasExplicitValue() const { return m_hasExplicitValue; }
  46     int explicitValue() const { return m_explicitValue; }
  47     void setExplicitValue(int value);
  48     void clearExplicitValue();
  49
  50     virtual bool isEmpty() const;
  51     virtual void paint(PaintInfo&, int tx, int ty);
  52
  53     virtual void layout();
  54     virtual void calcPrefWidths();
  55
  56     virtual void positionListMarker();
  57
  58     void setNotInList(bool notInList) { m_notInList = notInList; }
  59     bool notInList() const { return m_notInList; }
  60
  61     const String& markerText() const;
  62
  63 protected:
  64     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
  65
  66 private:
  67     void updateMarkerLocation();
  68     inline int calcValue() const;
  69     void updateValueNow() const;
  70     void explicitValueChanged();
  71
  72     RenderListMarker* m_marker;
  73     int m_explicitValue;
  74     mutable int m_value;
  75
  76     bool m_hasExplicitValue : 1;
  77     mutable bool m_isValueUpToDate : 1;
  78     bool m_notInList : 1;
  79 };
  80
  81 } // namespace WebCore
  82
  83 #endif // RenderListItem_h