WebCore/RenderListMarker.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 RenderListMarker_h
  24 #define RenderListMarker_h
  25
  26 #include "RenderBox.h"
  27
  28 namespace WebCore {
  29
  30 class RenderListItem;
  31
  32 String listMarkerText(EListStyleType, int value);
  33
  34 // Used to render the list item's marker.
  35 // The RenderListMarker always has to be a child of a RenderListItem.
  36 class RenderListMarker : public RenderBox {
  37 public:
  38     RenderListMarker(RenderListItem*);
  39     ~RenderListMarker();
  40
  41     virtual const char* renderName() const { return "RenderListMarker"; }
  42
  43     virtual bool isListMarker() const { return true; }
  44
  45     virtual void paint(PaintInfo&, int tx, int ty);
  46
  47     virtual void layout();
  48     virtual void calcPrefWidths();
  49
  50     virtual void imageChanged(WrappedImagePtr, const IntRect* = 0);
  51
  52     virtual InlineBox* createInlineBox(bool, bool, bool);
  53
  54     virtual int lineHeight(bool firstLine, bool isRootLineBox = false) const;
  55     virtual int baselinePosition(bool firstLine, bool isRootLineBox = false) const;
  56
  57     bool isImage() const;
  58     bool isText() const { return !isImage(); }
  59     const String& text() const { return m_text; }
  60
  61     bool isInside() const;
  62
  63     virtual SelectionState selectionState() const { return m_selectionState; }
  64     virtual void setSelectionState(SelectionState);
  65     virtual IntRect selectionRectForRepaint(RenderBox* repaintContainer, bool clipToVisibleContent = true);
  66     virtual bool canBeSelectionLeaf() const { return true; }
  67
  68     void updateMargins();
  69
  70 protected:
  71     virtual void styleWillChange(StyleDifference, const RenderStyle* newStyle);
  72     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
  73
  74 private:
  75     IntRect getRelativeMarkerRect();
  76
  77     String m_text;
  78     RefPtr<StyleImage> m_image;
  79     RenderListItem* m_listItem;
  80     SelectionState m_selectionState;
  81 };
  82
  83 } // namespace WebCore
  84
  85 #endif // RenderListMarker_h