void ElementRuleCollector::appendCSSOMWrapperForRule(StyleRule* rule)
{
// FIXME: There should be no codepath that creates a CSSOMWrapper without a parent stylesheet or rule because
// then that codepath can lead to the CSSStyleSheet contents not getting correctly copied when the rule is modified
// through the wrapper (e.g. rule.selectorText="div"). Right now, the inspector uses the pointers for identity though,
// so calling CSSStyleSheet->willMutateRules breaks the inspector.
CSSStyleSheet* sheet = m_includeStyleSheet == IncludeStyleSheetInCSSOMWrapper ? findStyleSheet(m_context.element()->document().styleEngine(), rule) : 0;
RefPtr<CSSRule> cssRule = rule->createCSSOMWrapper(sheet);
if (sheet)
sheet->registerExtraChildRuleCSSOMWrapper(cssRule);
ensureRuleList()->rules().append(cssRule);
}
void ElementRuleCollector::appendCSSOMWrapperForRule(CSSStyleSheet* parentStyleSheet, StyleRule* rule)
{
// |parentStyleSheet| is 0 if and only if the |rule| is coming from User Agent. In this case,
// it is safe to create CSSOM wrappers without parentStyleSheets as they will be used only
// by inspector which will not try to edit them.
RefPtrWillBeRawPtr<CSSRule> cssRule = nullptr;
if (parentStyleSheet)
cssRule = findStyleRule(parentStyleSheet, rule);
else
cssRule = rule->createCSSOMWrapper();
ASSERT(!parentStyleSheet || cssRule);
ensureRuleList()->rules().append(cssRule);
}
void ElementRuleCollector::sortAndTransferMatchedRules()
{
const StyleResolverState& state = m_state;
if (!m_matchedRules || m_matchedRules->isEmpty())
return;
sortMatchedRules();
Vector<const RuleData*, 32>& matchedRules = *m_matchedRules;
if (m_mode == SelectorChecker::CollectingRules) {
for (unsigned i = 0; i < matchedRules.size(); ++i)
ensureRuleList()->rules().append(matchedRules[i]->rule()->createCSSOMWrapper());
return;
}
// Now transfer the set of matched rules over to our list of declarations.
for (unsigned i = 0; i < matchedRules.size(); i++) {
if (state.style() && matchedRules[i]->containsUncommonAttributeSelector())
state.style()->setUnique();
m_result.addMatchedProperties(matchedRules[i]->rule()->properties(), matchedRules[i]->rule(), matchedRules[i]->linkMatchType(), matchedRules[i]->propertyWhitelistType(m_matchingUARules));
}
}
