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 #include "config.h"
27 #include "RenderTableCol.h"
28
29 #include "CachedImage.h"
30 #include "HTMLNames.h"
31 #include "HTMLTableColElement.h"
32 #include "RenderTable.h"
33
34 namespace WebCore {
35
36 using namespace HTMLNames;
37
RenderTableCol(Node * node)38 RenderTableCol::RenderTableCol(Node* node)
39 : RenderBox(node)
40 , m_span(1)
41 {
42 // init RenderObject attributes
43 setInline(true); // our object is not Inline
44 updateFromElement();
45 }
46
updateFromElement()47 void RenderTableCol::updateFromElement()
48 {
49 int oldSpan = m_span;
50 Node* n = node();
51 if (n && (n->hasTagName(colTag) || n->hasTagName(colgroupTag))) {
52 HTMLTableColElement* tc = static_cast<HTMLTableColElement*>(n);
53 m_span = tc->span();
54 } else
55 m_span = !(style() && style()->display() == TABLE_COLUMN_GROUP);
56 if (m_span != oldSpan && style() && parent())
57 setNeedsLayoutAndPrefWidthsRecalc();
58 }
59
isChildAllowed(RenderObject * child,RenderStyle * style) const60 bool RenderTableCol::isChildAllowed(RenderObject* child, RenderStyle* style) const
61 {
62 return !child->isText() && style && (style->display() == TABLE_COLUMN);
63 }
64
canHaveChildren() const65 bool RenderTableCol::canHaveChildren() const
66 {
67 // Cols cannot have children. This is actually necessary to fix a bug
68 // with libraries.uc.edu, which makes a <p> be a table-column.
69 return style()->display() == TABLE_COLUMN_GROUP;
70 }
71
clippedOverflowRectForRepaint(RenderBoxModelObject * repaintContainer)72 IntRect RenderTableCol::clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer)
73 {
74 // For now, just repaint the whole table.
75 // FIXME: Find a better way to do this, e.g., need to repaint all the cells that we
76 // might have propagated a background color or borders into.
77 // FIXME: check for repaintContainer each time here?
78
79 RenderTable* parentTable = table();
80 if (!parentTable)
81 return IntRect();
82 return parentTable->clippedOverflowRectForRepaint(repaintContainer);
83 }
84
imageChanged(WrappedImagePtr,const IntRect *)85 void RenderTableCol::imageChanged(WrappedImagePtr, const IntRect*)
86 {
87 // FIXME: Repaint only the rect the image paints in.
88 repaint();
89 }
90
calcPrefWidths()91 void RenderTableCol::calcPrefWidths()
92 {
93 setPrefWidthsDirty(false);
94
95 for (RenderObject* child = firstChild(); child; child = child->nextSibling())
96 child->setPrefWidthsDirty(false);
97 }
98
table() const99 RenderTable* RenderTableCol::table() const
100 {
101 RenderObject* table = parent();
102 if (table && !table->isTable())
103 table = table->parent();
104 return table && table->isTable() ? toRenderTable(table) : 0;
105 }
106
107 }
108