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