void TreeBoundaryCrossingRules::collectTreeBoundaryCrossingRules(Element* element, ElementRuleCollector& collector, bool includeEmptyRules)
{
if (m_treeBoundaryCrossingRuleSetMap.isEmpty())
return;
RuleRange ruleRange = collector.matchedResult().ranges.authorRuleRange();
// When comparing rules declared in outer treescopes, outer's rules win.
CascadeOrder outerCascadeOrder = size() + size();
// When comparing rules declared in inner treescopes, inner's rules win.
CascadeOrder innerCascadeOrder = size();
for (DocumentOrderedList::iterator it = m_scopingNodes.begin(); it != m_scopingNodes.end(); ++it) {
const ContainerNode* scopingNode = toContainerNode(*it);
CSSStyleSheetRuleSubSet* ruleSubSet = m_treeBoundaryCrossingRuleSetMap.get(scopingNode);
bool isInnerTreeScope = element->treeScope().isInclusiveAncestorOf(scopingNode->treeScope());
CascadeOrder cascadeOrder = isInnerTreeScope ? innerCascadeOrder : outerCascadeOrder;
for (CSSStyleSheetRuleSubSet::iterator it = ruleSubSet->begin(); it != ruleSubSet->end(); ++it) {
CSSStyleSheet* parentStyleSheet = it->first;
RuleSet* ruleSet = it->second.get();
collector.collectMatchingRules(MatchRequest(ruleSet, includeEmptyRules, scopingNode, parentStyleSheet), ruleRange, SelectorChecker::ScopeContainsLastMatchedElement, ignoreCascadeScope, cascadeOrder);
}
++innerCascadeOrder;
--outerCascadeOrder;
}
}
void TreeBoundaryCrossingRules::addTreeBoundaryCrossingRules(const RuleSet& authorRules, ContainerNode& scopingNode, CSSStyleSheet* parentStyleSheet)
{
if (authorRules.treeBoundaryCrossingRules().isEmpty() && (scopingNode.isDocumentNode() || authorRules.shadowDistributedRules().isEmpty()))
return;
OwnPtrWillBeRawPtr<RuleSet> ruleSetForScope = RuleSet::create();
addRules(ruleSetForScope.get(), authorRules.treeBoundaryCrossingRules());
if (!scopingNode.isDocumentNode())
addRules(ruleSetForScope.get(), authorRules.shadowDistributedRules());
if (!m_treeBoundaryCrossingRuleSetMap.contains(&scopingNode)) {
m_treeBoundaryCrossingRuleSetMap.add(&scopingNode, adoptPtrWillBeNoop(new CSSStyleSheetRuleSubSet()));
m_scopingNodes.add(&scopingNode);
}
CSSStyleSheetRuleSubSet* ruleSubSet = m_treeBoundaryCrossingRuleSetMap.get(&scopingNode);
ruleSubSet->append(std::make_pair(parentStyleSheet, ruleSetForScope.release()));
}
void TreeBoundaryCrossingRules::collectTreeBoundaryCrossingRules(Element* element, ElementRuleCollector& collector, bool includeEmptyRules)
{
if (m_treeBoundaryCrossingRuleSetMap.isEmpty())
return;
RuleRange ruleRange = collector.matchedResult().ranges.authorRuleRange();
// When comparing rules declared in outer treescopes, outer's rules win.
CascadeOrder outerCascadeOrder = size() + size();
// When comparing rules declared in inner treescopes, inner's rules win.
CascadeOrder innerCascadeOrder = size();
for (DocumentOrderedList::iterator it = m_scopingNodes.begin(); it != m_scopingNodes.end(); ++it) {
const ContainerNode* scopingNode = toContainerNode(*it);
CSSStyleSheetRuleSubSet* ruleSubSet = m_treeBoundaryCrossingRuleSetMap.get(scopingNode);
unsigned boundaryBehavior = SelectorChecker::ScopeContainsLastMatchedElement;
bool isInnerTreeScope = element->treeScope().isInclusiveAncestorOf(scopingNode->treeScope());
// If a given scoping node is a shadow root and a given element is in a descendant tree of tree hosted by
// the scoping node's shadow host, we should use ScopeIsShadowHost.
if (scopingNode && scopingNode->isShadowRoot()) {
if (element->isInDescendantTreeOf(toShadowRoot(scopingNode)->host()))
boundaryBehavior |= SelectorChecker::ScopeIsShadowHost;
scopingNode = toShadowRoot(scopingNode)->host();
}
CascadeOrder cascadeOrder = isInnerTreeScope ? innerCascadeOrder : outerCascadeOrder;
for (CSSStyleSheetRuleSubSet::iterator it = ruleSubSet->begin(); it != ruleSubSet->end(); ++it) {
CSSStyleSheet* parentStyleSheet = it->first;
RuleSet* ruleSet = it->second.get();
collector.collectMatchingRules(MatchRequest(ruleSet, includeEmptyRules, scopingNode, parentStyleSheet), ruleRange, static_cast<SelectorChecker::BehaviorAtBoundary>(boundaryBehavior), ignoreCascadeScope, cascadeOrder);
}
++innerCascadeOrder;
--outerCascadeOrder;
}
}