1 /* 2 * Copyright (C) 1997 Martin Jones (mjones@kde.org) 3 * (C) 1997 Torben Weis (weis@kde.org) 4 * (C) 1998 Waldo Bastian (bastian@kde.org) 5 * (C) 1999 Lars Knoll (knoll@kde.org) 6 * (C) 1999 Antti Koivisto (koivisto@kde.org) 7 * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved. 8 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) 9 * 10 * This library is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU Library General Public 12 * License as published by the Free Software Foundation; either 13 * version 2 of the License, or (at your option) any later version. 14 * 15 * This library is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * Library General Public License for more details. 19 * 20 * You should have received a copy of the GNU Library General Public License 21 * along with this library; see the file COPYING.LIB. If not, write to 22 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 23 * Boston, MA 02110-1301, USA. 24 */ 25 26 #ifndef RenderTableCol_h 27 #define RenderTableCol_h 28 29 #include "core/rendering/RenderBox.h" 30 31 namespace WebCore { 32 33 class RenderTable; 34 class RenderTableCell; 35 36 class RenderTableCol FINAL : public RenderBox { 37 public: 38 explicit RenderTableCol(Element*); 39 firstChild()40 RenderObject* firstChild() const { ASSERT(children() == virtualChildren()); return children()->firstChild(); } lastChild()41 RenderObject* lastChild() const { ASSERT(children() == virtualChildren()); return children()->lastChild(); } 42 children()43 const RenderObjectChildList* children() const { return &m_children; } children()44 RenderObjectChildList* children() { return &m_children; } 45 46 void clearPreferredLogicalWidthsDirtyBits(); 47 span()48 unsigned span() const { return m_span; } setSpan(unsigned span)49 void setSpan(unsigned span) { m_span = span; } 50 isTableColumnGroupWithColumnChildren()51 bool isTableColumnGroupWithColumnChildren() { return firstChild(); } isTableColumn()52 bool isTableColumn() const { return style()->display() == TABLE_COLUMN; } isTableColumnGroup()53 bool isTableColumnGroup() const { return style()->display() == TABLE_COLUMN_GROUP; } 54 55 RenderTableCol* enclosingColumnGroup() const; enclosingColumnGroupIfAdjacentBefore()56 RenderTableCol* enclosingColumnGroupIfAdjacentBefore() const 57 { 58 if (previousSibling()) 59 return 0; 60 return enclosingColumnGroup(); 61 } 62 enclosingColumnGroupIfAdjacentAfter()63 RenderTableCol* enclosingColumnGroupIfAdjacentAfter() const 64 { 65 if (nextSibling()) 66 return 0; 67 return enclosingColumnGroup(); 68 } 69 70 71 // Returns the next column or column-group. 72 RenderTableCol* nextColumn() const; 73 74 const BorderValue& borderAdjoiningCellStartBorder(const RenderTableCell*) const; 75 const BorderValue& borderAdjoiningCellEndBorder(const RenderTableCell*) const; 76 const BorderValue& borderAdjoiningCellBefore(const RenderTableCell*) const; 77 const BorderValue& borderAdjoiningCellAfter(const RenderTableCell*) const; 78 79 private: virtualChildren()80 virtual RenderObjectChildList* virtualChildren() { return children(); } virtualChildren()81 virtual const RenderObjectChildList* virtualChildren() const { return children(); } 82 renderName()83 virtual const char* renderName() const { return "RenderTableCol"; } isRenderTableCol()84 virtual bool isRenderTableCol() const OVERRIDE { return true; } 85 virtual void updateFromElement(); computePreferredLogicalWidths()86 virtual void computePreferredLogicalWidths() OVERRIDE { ASSERT_NOT_REACHED(); } 87 88 virtual void insertedIntoTree() OVERRIDE; 89 virtual void willBeRemovedFromTree() OVERRIDE; 90 91 virtual bool isChildAllowed(RenderObject*, RenderStyle*) const; 92 virtual bool canHaveChildren() const; requiresLayer()93 virtual bool requiresLayer() const { return false; } 94 95 virtual LayoutRect clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const OVERRIDE; 96 virtual void imageChanged(WrappedImagePtr, const IntRect* = 0); 97 98 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); 99 100 RenderTable* table() const; 101 102 RenderObjectChildList m_children; 103 unsigned m_span; 104 }; 105 106 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderTableCol, isRenderTableCol()); 107 108 } 109 110 #endif 111