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/*
* Copyright (C) 1997 Martin Jones (mjones@kde.org)
* (C) 1997 Torben Weis (weis@kde.org)
* (C) 1998 Waldo Bastian (bastian@kde.org)
* (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "RenderTableCol.h"
#include "CachedImage.h"
#include "HTMLNames.h"
#include "HTMLTableColElement.h"
#include "RenderTable.h"
namespace WebCore {
using namespace HTMLNames;
RenderTableCol::RenderTableCol(Node* node)
: RenderBox(node)
, m_span(1)
{
// init RenderObject attributes
setInline(true); // our object is not Inline
updateFromElement();
}
void RenderTableCol::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
RenderBox::styleDidChange(diff, oldStyle);
// If border was changed, notify table.
if (parent()) {
RenderTable* table = this->table();
if (table && !table->selfNeedsLayout() && !table->normalChildNeedsLayout() && oldStyle && oldStyle->border() != style()->border())
table->invalidateCollapsedBorders();
}
}
void RenderTableCol::updateFromElement()
{
unsigned oldSpan = m_span;
Node* n = node();
if (n && (n->hasTagName(colTag) || n->hasTagName(colgroupTag))) {
HTMLTableColElement* tc = static_cast<HTMLTableColElement*>(n);
m_span = tc->span();
} else
m_span = !(style() && style()->display() == TABLE_COLUMN_GROUP);
if (m_span != oldSpan && style() && parent())
setNeedsLayoutAndPrefWidthsRecalc();
}
bool RenderTableCol::isChildAllowed(RenderObject* child, RenderStyle* style) const
{
return !child->isText() && style && (style->display() == TABLE_COLUMN);
}
bool RenderTableCol::canHaveChildren() const
{
// Cols cannot have children. This is actually necessary to fix a bug
// with libraries.uc.edu, which makes a <p> be a table-column.
return style()->display() == TABLE_COLUMN_GROUP;
}
LayoutRect RenderTableCol::clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer) const
{
// For now, just repaint the whole table.
// FIXME: Find a better way to do this, e.g., need to repaint all the cells that we
// might have propagated a background color or borders into.
// FIXME: check for repaintContainer each time here?
RenderTable* parentTable = table();
if (!parentTable)
return LayoutRect();
return parentTable->clippedOverflowRectForRepaint(repaintContainer);
}
void RenderTableCol::imageChanged(WrappedImagePtr, const IntRect*)
{
// FIXME: Repaint only the rect the image paints in.
repaint();
}
void RenderTableCol::computePreferredLogicalWidths()
{
setPreferredLogicalWidthsDirty(false);
for (RenderObject* child = firstChild(); child; child = child->nextSibling())
child->setPreferredLogicalWidthsDirty(false);
}
RenderTable* RenderTableCol::table() const
{
RenderObject* table = parent();
if (table && !table->isTable())
table = table->parent();
return table && table->isTable() ? toRenderTable(table) : 0;
}
}
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