#include "config.h"
#include "StyleElement.h"
#include "Document.h"
#include "Element.h"
#include "MappedAttribute.h"
#include "MediaList.h"
#include "MediaQueryEvaluator.h"
namespace WebCore {
StyleElement::StyleElement()
{
}
StyleSheet* StyleElement::sheet(Element* e)
{
if (!m_sheet)
createSheet(e);
return m_sheet.get();
}
void StyleElement::insertedIntoDocument(Document* document, Element* element)
{
process(element);
}
void StyleElement::removedFromDocument(Document* document)
{
if (m_sheet)
document->updateStyleSelector();
}
void StyleElement::process(Element* e)
{
if (!e || !e->inDocument())
return;
String text = "";
for (Node* c = e->firstChild(); c; c = c->nextSibling())
if (c->nodeType() == Node::TEXT_NODE || c->nodeType() == Node::CDATA_SECTION_NODE || c->nodeType() == Node::COMMENT_NODE)
text += c->nodeValue();
createSheet(e, text);
}
void StyleElement::createSheet(Element* e, const String& text)
{
Document* document = e->document();
if (m_sheet) {
if (static_cast<CSSStyleSheet*>(m_sheet.get())->isLoading())
document->removePendingSheet();
m_sheet = 0;
}
String typeValue = e->isHTMLElement() ? type().deprecatedString().lower() : type();
if (typeValue.isEmpty() || typeValue == "text/css") { RefPtr<MediaList> mediaList = new MediaList((CSSStyleSheet*)0, media(), e->isHTMLElement());
MediaQueryEvaluator screenEval("screen", true);
MediaQueryEvaluator printEval("print", true);
if (screenEval.eval(mediaList.get()) || printEval.eval(mediaList.get())) {
document->addPendingSheet();
setLoading(true);
m_sheet = new CSSStyleSheet(e, String(), document->inputEncoding());
m_sheet->parseString(text, !document->inCompatMode());
m_sheet->setMedia(mediaList.get());
m_sheet->setTitle(e->title());
setLoading(false);
}
}
if (m_sheet)
m_sheet->checkLoaded();
}
}