1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) 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 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 virtual ~RenderListMarker(); 40 41 virtual void computePreferredLogicalWidths(); 42 43 const String& text() const { return m_text; } 44 String suffix() const; 45 46 bool isInside() const; 47 48 private: 49 virtual const char* renderName() const { return "RenderListMarker"; } 50 51 virtual bool isListMarker() const { return true; } 52 53 virtual void paint(PaintInfo&, int tx, int ty); 54 55 virtual void layout(); 56 57 virtual void imageChanged(WrappedImagePtr, const IntRect* = 0); 58 59 virtual InlineBox* createInlineBox(); 60 61 virtual int lineHeight(bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const; 62 virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const; 63 64 bool isImage() const; 65 bool isText() const { return !isImage(); } 66 67 virtual void setSelectionState(SelectionState); 68 virtual IntRect selectionRectForRepaint(RenderBoxModelObject* repaintContainer, bool clipToVisibleContent = true); 69 virtual bool canBeSelectionLeaf() const { return true; } 70 71 void updateMargins(); 72 73 virtual void styleWillChange(StyleDifference, const RenderStyle* newStyle); 74 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); 75 76 IntRect getRelativeMarkerRect(); 77 IntRect localSelectionRect(); 78 79 String m_text; 80 RefPtr<StyleImage> m_image; 81 RenderListItem* m_listItem; 82 }; 83 84 inline RenderListMarker* toRenderListMarker(RenderObject* object) 85 { 86 ASSERT(!object || object->isListMarker()); 87 return static_cast<RenderListMarker*>(object); 88 } 89 90 inline const RenderListMarker* toRenderListMarker(const RenderObject* object) 91 { 92 ASSERT(!object || object->isListMarker()); 93 return static_cast<const RenderListMarker*>(object); 94 } 95 96 // This will catch anyone doing an unnecessary cast. 97 void toRenderListMarker(const RenderListMarker*); 98 99 } // namespace WebCore 100 101 #endif // RenderListMarker_h 102