MathMLMencloseElement.cpp [plain text]
#include "config.h"
#if ENABLE(MATHML)
#include "MathMLMencloseElement.h"
#include "MathMLNames.h"
#include "RenderElement.h"
#include "RenderMathMLMenclose.h"
#include "RenderObject.h"
#include "TextRun.h"
#include <wtf/Ref.h>
#include <wtf/text/StringBuilder.h>
namespace WebCore {
MathMLMencloseElement::MathMLMencloseElement(const QualifiedName& tagName, Document& document)
: MathMLInlineContainerElement(tagName, document)
, m_isRadicalValue(false)
{
}
Ref<MathMLMencloseElement> MathMLMencloseElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new MathMLMencloseElement(tagName, document));
}
RenderPtr<RenderElement> MathMLMencloseElement::createElementRenderer(Ref<RenderStyle>&& style, const RenderTreePosition&)
{
return createRenderer<RenderMathMLMenclose>(*this, WTF::move(style));
}
bool MathMLMencloseElement::isPresentationAttribute(const QualifiedName& name) const
{
if (name == MathMLNames::notationAttr)
return true;
return MathMLElement::isPresentationAttribute(name);
}
void MathMLMencloseElement::finishParsingChildren()
{
MathMLInlineContainerElement::finishParsingChildren();
if (m_isRadicalValue && !firstElementChild())
renderer()->addChild(nullptr, nullptr);
}
void MathMLMencloseElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStyleProperties& style)
{
String val = value;
if (val.isEmpty())
return;
if (name == MathMLNames::notationAttr) {
val.split(' ', m_notationValues);
size_t notationValueSize = m_notationValues.size();
for (size_t i = 0; i < notationValueSize; i++) {
if (m_notationValues[i] == "top" || m_notationValues[i] == "longdiv") {
if (m_notationValues[i] == "longdiv")
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingLeft, longDivLeftPadding());
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderTopStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderTopWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingTop, ".3ex");
} else if (m_notationValues[i] == "bottom") {
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderBottomStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderBottomWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingBottom, ".3ex");
} else if (m_notationValues[i] == "left") {
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderLeftStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderLeftWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingLeft, ".3ex");
} else if (m_notationValues[i] == "right") {
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderRightStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderRightWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingRight, ".3ex");
} else if (m_notationValues[i] == "box" || m_notationValues[i] == "roundedbox") {
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPadding, ".3ex");
if (m_notationValues[i] == "roundedbox")
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderRadius, ASCIILiteral("5px"));
} else if (m_notationValues[i] == "actuarial" || m_notationValues[i] == "madruwb") {
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderRightStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderRightWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingRight, ".3ex");
if (m_notationValues[i] == "actuarial") {
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderTopStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderTopWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingTop, ".3ex");
} else if (m_notationValues[i] == "madruwb") {
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderBottomStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderBottomWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingBottom, ".3ex");
}
} else if (m_notationValues[i] == "radical")
m_isRadicalValue = true;
}
} else
MathMLInlineContainerElement::collectStyleForPresentationAttribute(name, value, style);
}
String MathMLMencloseElement::longDivLeftPadding() const
{
StringBuilder padding;
String closingBrace(")", String::ConstructFromLiteral);
TextRun run(closingBrace);
Node* node = parentNode();
if (node && node->renderer()) {
const FontCascade& font = node->renderer()->style().fontCascade();
padding.appendNumber(font.width(run));
padding.appendLiteral("px");
}
return padding.toString();
}
}
#endif // ENABLE(MATHML)