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/*
* Copyright (C) 2009 Alex Milowski (alex@milowski.com). All rights reserved.
* Copyright (C) 2010 Apple Inc. All rights reserved.
* Copyright (C) 2010 François Sausset (sausset@gmail.com). All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#if ENABLE(MATHML)
#include "MathMLElement.h"
#include "MathMLNames.h"
#include "RenderTableCell.h"
namespace WebCore {
using namespace MathMLNames;
MathMLElement::MathMLElement(const QualifiedName& tagName, Document& document)
: StyledElement(tagName, document, CreateMathMLElement)
{
}
PassRefPtr<MathMLElement> MathMLElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(new MathMLElement(tagName, document));
}
bool MathMLElement::isPresentationMathML() const
{
return hasTagName(MathMLNames::mtrTag) || hasTagName(MathMLNames::mtdTag) || hasTagName(MathMLNames::maligngroupTag) || hasTagName(MathMLNames::malignmarkTag) || hasTagName(MathMLNames::mencloseTag) || hasTagName(MathMLNames::mglyphTag) || hasTagName(MathMLNames::mlabeledtrTag) || hasTagName(MathMLNames::mlongdivTag) || hasTagName(MathMLNames::mpaddedTag) || hasTagName(MathMLNames::msTag) || hasTagName(MathMLNames::mscarriesTag) || hasTagName(MathMLNames::mscarryTag) || hasTagName(MathMLNames::msgroupTag) || hasTagName(MathMLNames::mslineTag) || hasTagName(MathMLNames::msrowTag) || hasTagName(MathMLNames::mstackTag);
}
int MathMLElement::colSpan() const
{
if (!hasTagName(mtdTag))
return 1;
const AtomicString& colSpanValue = fastGetAttribute(columnspanAttr);
return std::max(1, colSpanValue.toInt());
}
int MathMLElement::rowSpan() const
{
if (!hasTagName(mtdTag))
return 1;
const AtomicString& rowSpanValue = fastGetAttribute(rowspanAttr);
return std::max(1, rowSpanValue.toInt());
}
void MathMLElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == rowspanAttr) {
if (renderer() && renderer()->isTableCell() && hasTagName(mtdTag))
toRenderTableCell(renderer())->colSpanOrRowSpanChanged();
} else if (name == columnspanAttr) {
if (renderer() && renderer()->isTableCell() && hasTagName(mtdTag))
toRenderTableCell(renderer())->colSpanOrRowSpanChanged();
} else
StyledElement::parseAttribute(name, value);
}
bool MathMLElement::isPresentationAttribute(const QualifiedName& name) const
{
if (name == backgroundAttr || name == colorAttr || name == dirAttr || name == fontfamilyAttr || name == fontsizeAttr || name == fontstyleAttr || name == fontweightAttr || name == mathbackgroundAttr || name == mathcolorAttr || name == mathsizeAttr)
return true;
return StyledElement::isPresentationAttribute(name);
}
void MathMLElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStyleProperties& style)
{
if (name == mathbackgroundAttr)
addPropertyToPresentationAttributeStyle(style, CSSPropertyBackgroundColor, value);
else if (name == mathsizeAttr) {
// The following three values of mathsize are handled in WebCore/css/mathml.css
if (value != "normal" && value != "small" && value != "big")
addPropertyToPresentationAttributeStyle(style, CSSPropertyFontSize, value);
} else if (name == mathcolorAttr)
addPropertyToPresentationAttributeStyle(style, CSSPropertyColor, value);
// FIXME: deprecated attributes that should loose in a conflict with a non deprecated attribute
else if (name == fontsizeAttr)
addPropertyToPresentationAttributeStyle(style, CSSPropertyFontSize, value);
else if (name == backgroundAttr)
addPropertyToPresentationAttributeStyle(style, CSSPropertyBackgroundColor, value);
else if (name == colorAttr)
addPropertyToPresentationAttributeStyle(style, CSSPropertyColor, value);
else if (name == fontstyleAttr)
addPropertyToPresentationAttributeStyle(style, CSSPropertyFontStyle, value);
else if (name == fontweightAttr)
addPropertyToPresentationAttributeStyle(style, CSSPropertyFontWeight, value);
else if (name == fontfamilyAttr)
addPropertyToPresentationAttributeStyle(style, CSSPropertyFontFamily, value);
else if (name == dirAttr) {
if (hasTagName(mathTag) || hasTagName(mrowTag) || hasTagName(mstyleTag) || isMathMLToken())
addPropertyToPresentationAttributeStyle(style, CSSPropertyDirection, value);
} else {
ASSERT(!isPresentationAttribute(name));
StyledElement::collectStyleForPresentationAttribute(name, value
, style);
}
}
bool MathMLElement::childShouldCreateRenderer(const Node& child) const
{
if (hasTagName(annotationTag))
return child.isTextNode();
if (hasTagName(annotation_xmlTag))
return StyledElement::childShouldCreateRenderer(child);
// Only create renderers for MathML elements or text. MathML prohibits non-MathML markup inside a <math> element.
return child.isTextNode() || child.isMathMLElement();
}
void MathMLElement::attributeChanged(const QualifiedName& name, const AtomicString& newValue, AttributeModificationReason reason)
{
if (isSemanticAnnotation() && (name == MathMLNames::srcAttr || name == MathMLNames::encodingAttr)) {
Element* parent = parentElement();
if (parent && parent->isMathMLElement() && parent->hasTagName(semanticsTag))
toMathMLElement(parent)->updateSelectedChild();
}
StyledElement::attributeChanged(name, newValue, reason);
}
}
#endif // ENABLE(MATHML)
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