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, 2008, 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 RenderInline_h 24 #define RenderInline_h 25 26 #include "RenderBoxModelObject.h" 27 #include "RenderLineBoxList.h" 28 29 namespace WebCore { 30 31 class Position; 32 33 class RenderInline : public RenderBoxModelObject { 34 public: 35 RenderInline(Node*); 36 37 virtual void destroy(); 38 39 virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0); 40 41 virtual int marginLeft() const; 42 virtual int marginRight() const; 43 44 virtual void absoluteRects(Vector<IntRect>&, int tx, int ty); 45 virtual void absoluteQuads(Vector<FloatQuad>&); 46 47 virtual IntSize offsetFromContainer(RenderObject*) const; 48 49 IntRect linesBoundingBox() const; 50 IntRect linesVisibleOverflowBoundingBox() const; 51 52 InlineFlowBox* createAndAppendInlineFlowBox(); 53 54 void dirtyLineBoxes(bool fullLayout); 55 56 RenderLineBoxList* lineBoxes() { return &m_lineBoxes; } 57 const RenderLineBoxList* lineBoxes() const { return &m_lineBoxes; } 58 59 InlineFlowBox* firstLineBox() const { return m_lineBoxes.firstLineBox(); } 60 InlineFlowBox* lastLineBox() const { return m_lineBoxes.lastLineBox(); } 61 62 RenderBoxModelObject* continuation() const { return m_continuation; } 63 64 virtual void updateDragState(bool dragOn); 65 66 IntSize relativePositionedInlineOffset(const RenderBox* child) const; 67 68 virtual void addFocusRingRects(Vector<IntRect>&, int tx, int ty); 69 void paintOutline(GraphicsContext*, int tx, int ty); 70 71 int verticalPositionFromCache(bool firstLine) const; 72 void invalidateVerticalPosition() { m_verticalPosition = PositionUndefined; } 73 74 private: 75 virtual RenderObjectChildList* virtualChildren() { return children(); } 76 virtual const RenderObjectChildList* virtualChildren() const { return children(); } 77 const RenderObjectChildList* children() const { return &m_children; } 78 RenderObjectChildList* children() { return &m_children; } 79 80 virtual const char* renderName() const; 81 82 virtual bool isRenderInline() const { return true; } 83 84 void addChildToContinuation(RenderObject* newChild, RenderObject* beforeChild); 85 virtual void addChildIgnoringContinuation(RenderObject* newChild, RenderObject* beforeChild = 0); 86 87 void splitInlines(RenderBlock* fromBlock, RenderBlock* toBlock, RenderBlock* middleBlock, 88 RenderObject* beforeChild, RenderBoxModelObject* oldCont); 89 void splitFlow(RenderObject* beforeChild, RenderBlock* newBlockBox, 90 RenderObject* newChild, RenderBoxModelObject* oldCont); 91 92 virtual void layout() { ASSERT_NOT_REACHED(); } // Do nothing for layout() 93 94 virtual void paint(PaintInfo&, int tx, int ty); 95 96 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction); 97 98 virtual bool requiresLayer() const { return isRelPositioned() || isTransparent() || hasMask(); } 99 100 virtual int offsetLeft() const; 101 virtual int offsetTop() const; 102 virtual int offsetWidth() const { return linesBoundingBox().width(); } 103 virtual int offsetHeight() const { return linesBoundingBox().height(); } 104 105 // Just ignore top/bottom margins on RenderInlines. 106 virtual int marginTop() const { return 0; } 107 virtual int marginBottom() const { return 0; } 108 virtual IntRect clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer); 109 virtual IntRect rectWithOutlineForRepaint(RenderBoxModelObject* repaintContainer, int outlineWidth); 110 virtual void computeRectForRepaint(RenderBoxModelObject* repaintContainer, IntRect& rect, bool fixed); 111 112 virtual void mapLocalToContainer(RenderBoxModelObject* repaintContainer, bool fixed, bool useTransforms, TransformState&) const; 113 virtual void mapAbsoluteToLocalPoint(bool fixed, bool useTransforms, TransformState&) const; 114 115 virtual VisiblePosition positionForPoint(const IntPoint&); 116 117 virtual IntRect borderBoundingBox() const 118 { 119 IntRect boundingBox = linesBoundingBox(); 120 return IntRect(0, 0, boundingBox.width(), boundingBox.height()); 121 } 122 123 virtual InlineFlowBox* createInlineFlowBox(); // Subclassed by SVG and Ruby 124 125 virtual void dirtyLinesFromChangedChild(RenderObject* child) { m_lineBoxes.dirtyLinesFromChangedChild(this, child); } 126 127 virtual int lineHeight(bool firstLine, bool isRootLineBox = false) const; 128 129 RenderInline* inlineContinuation() const; 130 void setContinuation(RenderBoxModelObject* c) { m_continuation = c; } 131 132 virtual void childBecameNonInline(RenderObject* child); 133 134 virtual void updateHitTestResult(HitTestResult&, const IntPoint&); 135 136 virtual void imageChanged(WrappedImagePtr, const IntRect* = 0); 137 138 #if ENABLE(DASHBOARD_SUPPORT) 139 virtual void addDashboardRegions(Vector<DashboardRegionValue>&); 140 #endif 141 142 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); 143 virtual void updateBoxModelInfoFromStyle(); 144 145 static RenderInline* cloneInline(RenderInline* src); 146 147 void paintOutlineForLine(GraphicsContext*, int tx, int ty, const IntRect& prevLine, const IntRect& thisLine, const IntRect& nextLine); 148 RenderBoxModelObject* continuationBefore(RenderObject* beforeChild); 149 150 RenderObjectChildList m_children; 151 RenderLineBoxList m_lineBoxes; // All of the line boxes created for this inline flow. For example, <i>Hello<br>world.</i> will have two <i> line boxes. 152 153 RenderBoxModelObject* m_continuation; // Can be either a block or an inline. <b><i><p>Hello</p></i></b>. In this example the <i> will have a block as its continuation but the 154 // <b> will just have an inline as its continuation. 155 mutable int m_lineHeight; 156 mutable int m_verticalPosition; 157 }; 158 159 inline RenderInline* toRenderInline(RenderObject* object) 160 { 161 ASSERT(!object || object->isRenderInline()); 162 return static_cast<RenderInline*>(object); 163 } 164 165 inline const RenderInline* toRenderInline(const RenderObject* object) 166 { 167 ASSERT(!object || object->isRenderInline()); 168 return static_cast<const RenderInline*>(object); 169 } 170 171 // This will catch anyone doing an unnecessary cast. 172 void toRenderInline(const RenderInline*); 173 174 } // namespace WebCore 175 176 #endif // RenderInline_h 177
