void ElementRuleCollector::collectMatchingRules(const MatchRequest& matchRequest, StyleResolver::RuleRange& ruleRange)
{
ASSERT(matchRequest.ruleSet);
ASSERT(m_state.element());
const StyleResolver::State& state = m_state;
Element* element = state.element();
const StyledElement* styledElement = state.styledElement();
const AtomicString& pseudoId = element->shadowPseudoId();
if (!pseudoId.isEmpty()) {
ASSERT(styledElement);
collectMatchingRulesForList(matchRequest.ruleSet->shadowPseudoElementRules(pseudoId.impl()), matchRequest, ruleRange);
}
#if ENABLE(VIDEO_TRACK)
if (element->isWebVTTElement())
collectMatchingRulesForList(matchRequest.ruleSet->cuePseudoRules(), matchRequest, ruleRange);
#endif
// Check whether other types of rules are applicable in the current tree scope. Criteria for this:
// a) it's a UA rule
// b) the tree scope allows author rules
// c) the rules comes from a scoped style sheet within the same tree scope
TreeScope* treeScope = element->treeScope();
if (!MatchingUARulesScope::isMatchingUARules()
&& !treeScope->applyAuthorStyles()
&& (!matchRequest.scope || matchRequest.scope->treeScope() != treeScope)
&& m_behaviorAtBoundary == SelectorChecker::DoesNotCrossBoundary)
return;
// We need to collect the rules for id, class, tag, and everything else into a buffer and
// then sort the buffer.
if (element->hasID())
collectMatchingRulesForList(matchRequest.ruleSet->idRules(element->idForStyleResolution().impl()), matchRequest, ruleRange);
if (styledElement && styledElement->hasClass()) {
for (size_t i = 0; i < styledElement->classNames().size(); ++i)
collectMatchingRulesForList(matchRequest.ruleSet->classRules(styledElement->classNames()[i].impl()), matchRequest, ruleRange);
}
if (element->isLink())
collectMatchingRulesForList(matchRequest.ruleSet->linkPseudoClassRules(), matchRequest, ruleRange);
if (SelectorChecker::matchesFocusPseudoClass(element))
collectMatchingRulesForList(matchRequest.ruleSet->focusPseudoClassRules(), matchRequest, ruleRange);
collectMatchingRulesForList(matchRequest.ruleSet->tagRules(element->localName().impl()), matchRequest, ruleRange);
collectMatchingRulesForList(matchRequest.ruleSet->universalRules(), matchRequest, ruleRange);
}
