HTMLStyleElement.cpp [plain text]
#include "config.h"
#include "HTMLStyleElement.h"
#include "Document.h"
#include "HTMLNames.h"
#include "MediaList.h"
#include "MediaQueryEvaluator.h"
namespace WebCore {
using namespace HTMLNames;
HTMLStyleElement::HTMLStyleElement(Document* doc)
: HTMLElement(styleTag, doc)
, m_loading(false)
{
}
StyleSheet* HTMLStyleElement::sheet() const
{
return m_sheet.get();
}
void HTMLStyleElement::parseMappedAttribute(MappedAttribute *attr)
{
if (attr->name() == typeAttr)
m_type = attr->value().domString().lower();
else if (attr->name() == mediaAttr)
m_media = attr->value().deprecatedString().lower();
else
HTMLElement::parseMappedAttribute(attr);
}
void HTMLStyleElement::insertedIntoDocument()
{
HTMLElement::insertedIntoDocument();
if (m_sheet)
document()->updateStyleSelector();
}
void HTMLStyleElement::removedFromDocument()
{
HTMLElement::removedFromDocument();
if (m_sheet)
document()->updateStyleSelector();
}
void HTMLStyleElement::childrenChanged()
{
String text = "";
for (Node* c = firstChild(); c; c = c->nextSibling())
if (c->nodeType() == TEXT_NODE || c->nodeType() == CDATA_SECTION_NODE || c->nodeType() == COMMENT_NODE)
text += c->nodeValue();
if (m_sheet) {
if (static_cast<CSSStyleSheet *>(m_sheet.get())->isLoading())
document()->stylesheetLoaded(); m_sheet = 0;
}
m_loading = false;
if (m_type.isEmpty() || m_type == "text/css") { RefPtr<MediaList> media = new MediaList((CSSStyleSheet*)0, m_media, true);
MediaQueryEvaluator screenEval("screen", true);
MediaQueryEvaluator printEval("print", true);
if (screenEval.eval(media.get()) || printEval.eval(media.get())) {
document()->addPendingSheet();
m_loading = true;
m_sheet = new CSSStyleSheet(this);
m_sheet->parseString(text, !document()->inCompatMode());
m_sheet->setMedia(media.get());
m_loading = false;
}
}
if (!isLoading() && m_sheet)
document()->stylesheetLoaded();
}
bool HTMLStyleElement::isLoading() const
{
if (m_loading)
return true;
if (!m_sheet)
return false;
return static_cast<CSSStyleSheet *>(m_sheet.get())->isLoading();
}
void HTMLStyleElement::sheetLoaded()
{
if (!isLoading())
document()->stylesheetLoaded();
}
bool HTMLStyleElement::disabled() const
{
return !getAttribute(disabledAttr).isNull();
}
void HTMLStyleElement::setDisabled(bool disabled)
{
setAttribute(disabledAttr, disabled ? "" : 0);
}
String HTMLStyleElement::media() const
{
return getAttribute(mediaAttr);
}
void HTMLStyleElement::setMedia(const String &value)
{
setAttribute(mediaAttr, value);
}
String HTMLStyleElement::type() const
{
return getAttribute(typeAttr);
}
void HTMLStyleElement::setType(const String &value)
{
setAttribute(typeAttr, value);
}
}