HTMLOListElement.cpp [plain text]
#include "config.h"
#include "HTMLOListElement.h"
#include "CSSPropertyNames.h"
#include "CSSValueKeywords.h"
#include "HTMLNames.h"
#include "HTMLParserIdioms.h"
#include "RenderListItem.h"
namespace WebCore {
using namespace HTMLNames;
HTMLOListElement::HTMLOListElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
, m_itemCount(0)
, m_isReversed(false)
, m_shouldRecalculateItemCount(false)
{
ASSERT(hasTagName(olTag));
}
Ref<HTMLOListElement> HTMLOListElement::create(Document& document)
{
return adoptRef(*new HTMLOListElement(olTag, document));
}
Ref<HTMLOListElement> HTMLOListElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new HTMLOListElement(tagName, document));
}
bool HTMLOListElement::isPresentationAttribute(const QualifiedName& name) const
{
if (name == typeAttr)
return true;
return HTMLElement::isPresentationAttribute(name);
}
void HTMLOListElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStyleProperties& style)
{
if (name == typeAttr) {
if (value == "a")
addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueLowerAlpha);
else if (value == "A")
addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueUpperAlpha);
else if (value == "i")
addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueLowerRoman);
else if (value == "I")
addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueUpperRoman);
else if (value == "1")
addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueDecimal);
} else
HTMLElement::collectStyleForPresentationAttribute(name, value, style);
}
void HTMLOListElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == startAttr) {
int oldStart = start();
auto optionalStart = parseHTMLInteger(value);
m_start = optionalStart ? std::optional<int>(optionalStart.value()) : std::nullopt;
if (oldStart == start())
return;
updateItemValues();
} else if (name == reversedAttr) {
bool reversed = !value.isNull();
if (reversed == m_isReversed)
return;
m_isReversed = reversed;
updateItemValues();
} else
HTMLElement::parseAttribute(name, value);
}
void HTMLOListElement::setStartForBindings(int start)
{
setIntegralAttribute(startAttr, start);
}
void HTMLOListElement::updateItemValues()
{
RenderListItem::updateItemValuesForOrderedList(*this);
}
unsigned HTMLOListElement::itemCount() const
{
if (m_shouldRecalculateItemCount)
const_cast<HTMLOListElement*>(this)->recalculateItemCount();
return m_itemCount;
}
unsigned HTMLOListElement::itemCountAfterLayout() const
{
document().updateLayoutIgnorePendingStylesheets();
return itemCount();
}
void HTMLOListElement::recalculateItemCount()
{
m_itemCount = RenderListItem::itemCountForOrderedList(*this);
m_shouldRecalculateItemCount = false;
}
}