PassRefPtrWillBeRawPtr<CSSStyleSheet> StyleEngine::createSheet(Element* e, const String& text, TextPosition startPosition, bool createdByParser)
{
RefPtrWillBeRawPtr<CSSStyleSheet> styleSheet = nullptr;
e->document().styleEngine()->addPendingSheet();
if (!e->document().inQuirksMode()) {
AtomicString textContent(text);
WillBeHeapHashMap<AtomicString, RawPtrWillBeMember<StyleSheetContents> >::AddResult result = m_textToSheetCache.add(textContent, nullptr);
if (result.isNewEntry || !result.storedValue->value) {
styleSheet = StyleEngine::parseSheet(e, text, startPosition, createdByParser);
if (result.isNewEntry && isCacheableForStyleElement(*styleSheet->contents())) {
result.storedValue->value = styleSheet->contents();
m_sheetToTextCache.add(styleSheet->contents(), textContent);
}
} else {
StyleSheetContents* contents = result.storedValue->value;
ASSERT(contents);
ASSERT(isCacheableForStyleElement(*contents));
ASSERT(contents->singleOwnerDocument() == e->document());
styleSheet = CSSStyleSheet::createInline(contents, e, startPosition);
}
} else {
// FIXME: currently we don't cache StyleSheetContents inQuirksMode.
styleSheet = StyleEngine::parseSheet(e, text, startPosition, createdByParser);
}
ASSERT(styleSheet);
styleSheet->setTitle(e->title());
return styleSheet;
}
PassRefPtrWillBeRawPtr<CSSStyleSheet> StyleEngine::parseSheet(Element* e, const String& text, TextPosition startPosition, bool createdByParser)
{
RefPtrWillBeRawPtr<CSSStyleSheet> styleSheet = nullptr;
styleSheet = CSSStyleSheet::createInline(e, KURL(), startPosition, e->document().inputEncoding());
styleSheet->contents()->parseStringAtPosition(text, startPosition, createdByParser);
return styleSheet;
}
PassRefPtrWillBeRawPtr<CSSStyleSheet> StyleEngine::parseSheet(Element* e, const String& text, TextPosition startPosition)
{
RefPtrWillBeRawPtr<CSSStyleSheet> styleSheet = nullptr;
styleSheet = CSSStyleSheet::createInline(e, KURL(), startPosition, e->document().characterSet());
styleSheet->contents()->parseStringAtPosition(text, startPosition);
return styleSheet;
}
void StyleEngine::updateInjectedStyleSheetCache() const
{
if (m_injectedStyleSheetCacheValid)
return;
m_injectedStyleSheetCacheValid = true;
m_injectedAuthorStyleSheets.clear();
Page* owningPage = document().page();
if (!owningPage)
return;
const InjectedStyleSheetEntryVector& entries = InjectedStyleSheets::instance().entries();
for (unsigned i = 0; i < entries.size(); ++i) {
const InjectedStyleSheetEntry* entry = entries[i].get();
if (entry->injectedFrames() == InjectStyleInTopFrameOnly && document().ownerElement())
continue;
if (!URLPatternMatcher::matchesPatterns(document().url(), entry->whitelist()))
continue;
RefPtrWillBeRawPtr<CSSStyleSheet> groupSheet = CSSStyleSheet::createInline(m_document, KURL());
m_injectedAuthorStyleSheets.append(groupSheet);
groupSheet->contents()->parseString(entry->source());
}
}
