void StyleElement::createSheet(Element* e, const String& text)
{
ASSERT(e);
ASSERT(e->inDocument());
Document& document = e->document();
if (m_sheet)
clearSheet(e);
// If type is empty or CSS, this is a CSS style sheet.
const AtomicString& type = this->type();
if (isCSS(e, type)) {
RefPtr<MediaQuerySet> mediaQueries = MediaQuerySet::create(media());
MediaQueryEvaluator screenEval("screen", true);
MediaQueryEvaluator printEval("print", true);
if (screenEval.eval(mediaQueries.get()) || printEval.eval(mediaQueries.get())) {
m_loading = true;
TextPosition startPosition = m_startPosition == TextPosition::belowRangePosition() ? TextPosition::minimumPosition() : m_startPosition;
m_sheet = document.styleEngine()->createSheet(e, text, startPosition, m_createdByParser);
m_sheet->setMediaQueries(mediaQueries.release());
m_loading = false;
}
}
document.styleResolverMayHaveChanged();
}
StyleElement::ProcessingResult StyleElement::createSheet(Element& element,
const String& text) {
DCHECK(element.isConnected());
Document& document = element.document();
const ContentSecurityPolicy* csp = document.contentSecurityPolicy();
bool passesContentSecurityPolicyChecks =
shouldBypassMainWorldCSP(element) ||
csp->allowStyleWithHash(text, ContentSecurityPolicy::InlineType::Block) ||
csp->allowInlineStyle(&element, document.url(),
element.fastGetAttribute(HTMLNames::nonceAttr),
m_startPosition.m_line, text);
// Clearing the current sheet may remove the cache entry so create the new
// sheet first
CSSStyleSheet* newSheet = nullptr;
// If type is empty or CSS, this is a CSS style sheet.
const AtomicString& type = this->type();
if (isCSS(element, type) && passesContentSecurityPolicyChecks) {
MediaQuerySet* mediaQueries = MediaQuerySet::create(media());
MediaQueryEvaluator screenEval("screen");
MediaQueryEvaluator printEval("print");
if (screenEval.eval(mediaQueries) || printEval.eval(mediaQueries)) {
m_loading = true;
TextPosition startPosition =
m_startPosition == TextPosition::belowRangePosition()
? TextPosition::minimumPosition()
: m_startPosition;
newSheet = document.styleEngine().createSheet(
element, text, startPosition, m_styleEngineContext);
newSheet->setMediaQueries(mediaQueries);
m_loading = false;
}
}
if (m_sheet)
clearSheet(element);
m_sheet = newSheet;
if (m_sheet)
m_sheet->contents()->checkLoaded();
return passesContentSecurityPolicyChecks ? ProcessingSuccessful
: ProcessingFatalError;
}
void StyleElement::createSheet(Element* e, const String& text)
{
ASSERT(e);
ASSERT(e->inDocument());
Document& document = e->document();
if (m_sheet) {
if (m_sheet->isLoading())
document.styleEngine()->removePendingSheet(e);
clearSheet();
}
// If type is empty or CSS, this is a CSS style sheet.
const AtomicString& type = this->type();
bool passesContentSecurityPolicyChecks = document.contentSecurityPolicy()->allowStyleNonce(e->fastGetAttribute(HTMLNames::nonceAttr)) || document.contentSecurityPolicy()->allowInlineStyle(e->document().url(), m_startPosition.m_line);
if (isCSS(e, type) && passesContentSecurityPolicyChecks) {
RefPtr<MediaQuerySet> mediaQueries = MediaQuerySet::create(media());
MediaQueryEvaluator screenEval("screen", true);
MediaQueryEvaluator printEval("print", true);
if (screenEval.eval(mediaQueries.get()) || printEval.eval(mediaQueries.get())) {
document.styleEngine()->addPendingSheet();
m_loading = true;
TextPosition startPosition = m_startPosition == TextPosition::belowRangePosition() ? TextPosition::minimumPosition() : m_startPosition;
m_sheet = CSSStyleSheet::createInline(e, KURL(), startPosition, document.inputEncoding());
m_sheet->setMediaQueries(mediaQueries.release());
m_sheet->setTitle(e->title());
m_sheet->contents()->parseStringAtPosition(text, startPosition, m_createdByParser);
m_loading = false;
}
}
if (m_sheet)
m_sheet->contents()->checkLoaded();
}
void StyleElement::createSheet(Element* e, int startLineNumber, const String& text)
{
ASSERT(e);
ASSERT(e->inDocument());
Document* document = e->document();
if (m_sheet) {
if (m_sheet->isLoading())
document->removePendingSheet();
m_sheet = 0;
}
// If type is empty or CSS, this is a CSS style sheet.
const AtomicString& type = this->type();
if (document->contentSecurityPolicy()->allowInlineStyle() && isCSS(e, type)) {
RefPtr<MediaList> mediaList = MediaList::create(media(), e->isHTMLElement());
MediaQueryEvaluator screenEval("screen", true);
MediaQueryEvaluator printEval("print", true);
if (screenEval.eval(mediaList.get()) || printEval.eval(mediaList.get())) {
document->addPendingSheet();
m_loading = true;
m_sheet = CSSStyleSheet::create(e, String(), KURL(), document->inputEncoding());
m_sheet->parseStringAtLine(text, !document->inQuirksMode(), startLineNumber);
m_sheet->setMedia(mediaList.get());
m_sheet->setTitle(e->title());
m_loading = false;
}
}
if (m_sheet)
m_sheet->checkLoaded();
}
