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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, 2010 Apple Inc. All rights reserved.
*
* 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 "HTMLTableCellElement.h"
#include "Attribute.h"
#include "CSSPropertyNames.h"
#include "CSSValueKeywords.h"
#include "HTMLNames.h"
#include "HTMLTableElement.h"
#include "RenderTableCell.h"
using std::max;
using std::min;
namespace WebCore {
// Clamp rowspan at 8k to match Firefox.
static const int maxRowspan = 8190;
using namespace HTMLNames;
inline HTMLTableCellElement::HTMLTableCellElement(const QualifiedName& tagName, Document* document)
: HTMLTablePartElement(tagName, document)
{
}
PassRefPtr<HTMLTableCellElement> HTMLTableCellElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new HTMLTableCellElement(tagName, document));
}
int HTMLTableCellElement::colSpan() const
{
const AtomicString& colSpanValue = fastGetAttribute(colspanAttr);
return max(1, colSpanValue.toInt());
}
int HTMLTableCellElement::rowSpan() const
{
const AtomicString& rowSpanValue = fastGetAttribute(rowspanAttr);
return max(1, min(rowSpanValue.toInt(), maxRowspan));
}
int HTMLTableCellElement::cellIndex() const
{
int index = 0;
if (!parentElement() || !parentElement()->hasTagName(trTag))
return -1;
for (const Node * node = previousSibling(); node; node = node->previousSibling()) {
if (node->hasTagName(tdTag) || node->hasTagName(thTag))
index++;
}
return index;
}
bool HTMLTableCellElement::isPresentationAttribute(const QualifiedName& name) const
{
if (name == nowrapAttr || name == widthAttr || name == heightAttr)
return true;
return HTMLTablePartElement::isPresentationAttribute(name);
}
void HTMLTableCellElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
{
if (name == nowrapAttr)
addPropertyToPresentationAttributeStyle(style, CSSPropertyWhiteSpace, CSSValueWebkitNowrap);
else if (name == widthAttr) {
if (!value.isEmpty()) {
int widthInt = value.toInt();
if (widthInt > 0) // width="0" is ignored for compatibility with WinIE.
addHTMLLengthToStyle(style, CSSPropertyWidth, value);
}
} else if (name == heightAttr) {
if (!value.isEmpty()) {
int heightInt = value.toInt();
if (heightInt > 0) // height="0" is ignored for compatibility with WinIE.
addHTMLLengthToStyle(style, CSSPropertyHeight, value);
}
} else
HTMLTablePartElement::collectStyleForPresentationAttribute(name, value, style);
}
void HTMLTableCellElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == rowspanAttr) {
if (renderer() && renderer()->isTableCell())
toRenderTableCell(renderer())->colSpanOrRowSpanChanged();
} else if (name == colspanAttr) {
if (renderer() && renderer()->isTableCell())
toRenderTableCell(renderer())->colSpanOrRowSpanChanged();
} else
HTMLTablePartElement::parseAttribute(name, value);
}
const StylePropertySet* HTMLTableCellElement::additionalPresentationAttributeStyle()
{
if (HTMLTableElement* table = findParentTable())
return table->additionalCellStyle();
return 0;
}
bool HTMLTableCellElement::isURLAttribute(const Attribute& attribute) const
{
return attribute.name() == backgroundAttr || HTMLTablePartElement::isURLAttribute(attribute);
}
String HTMLTableCellElement::abbr() const
{
return getAttribute(abbrAttr);
}
String HTMLTableCellElement::axis() const
{
return getAttribute(axisAttr);
}
void HTMLTableCellElement::setColSpan(int n)
{
setAttribute(colspanAttr, String::number(n));
}
String HTMLTableCellElement::headers() const
{
return getAttribute(headersAttr);
}
void HTMLTableCellElement::setRowSpan(int n)
{
setAttribute(rowspanAttr, String::number(n));
}
String HTMLTableCellElement::scope() const
{
return getAttribute(scopeAttr);
}
void HTMLTableCellElement::addSubresourceAttributeURLs(ListHashSet<KURL>& urls) const
{
HTMLTablePartElement::addSubresourceAttributeURLs(urls);
addSubresourceURL(urls, document()->completeURL(getAttribute(backgroundAttr)));
}
HTMLTableCellElement* HTMLTableCellElement::cellAbove() const
{
RenderObject* cellRenderer = renderer();
if (!cellRenderer)
return 0;
if (!cellRenderer->isTableCell())
return 0;
RenderTableCell* tableCellRenderer = toRenderTableCell(cellRenderer);
RenderTableCell* cellAboveRenderer = tableCellRenderer->table()->cellAbove(tableCellRenderer);
if (!cellAboveRenderer)
return 0;
return static_cast<HTMLTableCellElement*>(cellAboveRenderer->node());
}
#ifndef NDEBUG
HTMLTableCellElement* toHTMLTableCellElement(Node* node)
{
ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(HTMLNames::tdTag) || node->hasTagName(HTMLNames::thTag));
return static_cast<HTMLTableCellElement*>(node);
}
const HTMLTableCellElement* toHTMLTableCellElement(const Node* node)
{
ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(HTMLNames::tdTag) || node->hasTagName(HTMLNames::thTag));
return static_cast<const HTMLTableCellElement*>(node);
}
#endif
} // namespace WebCore
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