TreeScopeEventContext* EventPath::ensureTreeScopeEventContext(Node* currentTarget, TreeScope* treeScope, TreeScopeEventContextMap& treeScopeEventContextMap)
{
if (!treeScope)
return 0;
TreeScopeEventContext* treeScopeEventContext;
bool isNewEntry;
{
TreeScopeEventContextMap::AddResult addResult = treeScopeEventContextMap.add(treeScope, nullptr);
isNewEntry = addResult.isNewEntry;
if (isNewEntry)
addResult.storedValue->value = TreeScopeEventContext::create(*treeScope);
treeScopeEventContext = addResult.storedValue->value.get();
}
if (isNewEntry) {
TreeScopeEventContext* parentTreeScopeEventContext = ensureTreeScopeEventContext(0, treeScope->olderShadowRootOrParentTreeScope(), treeScopeEventContextMap);
if (parentTreeScopeEventContext && parentTreeScopeEventContext->target()) {
treeScopeEventContext->setTarget(parentTreeScopeEventContext->target());
} else if (currentTarget) {
treeScopeEventContext->setTarget(eventTargetRespectingTargetRules(*currentTarget));
}
} else if (!treeScopeEventContext->target() && currentTarget) {
treeScopeEventContext->setTarget(eventTargetRespectingTargetRules(*currentTarget));
}
return treeScopeEventContext;
}
void EventPath::buildRelatedNodeMap(const Node& relatedNode, RelatedTargetMap& relatedTargetMap)
{
EventPath relatedTargetEventPath(const_cast<Node&>(relatedNode));
for (size_t i = 0; i < relatedTargetEventPath.m_treeScopeEventContexts.size(); ++i) {
TreeScopeEventContext* treeScopeEventContext = relatedTargetEventPath.m_treeScopeEventContexts[i].get();
relatedTargetMap.add(&treeScopeEventContext->treeScope(), treeScopeEventContext->target());
}
}
void EventPath::buildRelatedNodeMap(const Node& relatedNode, RelatedTargetMap& relatedTargetMap)
{
OwnPtrWillBeRawPtr<EventPath> relatedTargetEventPath = adoptPtrWillBeNoop(new EventPath(const_cast<Node&>(relatedNode)));
for (size_t i = 0; i < relatedTargetEventPath->m_treeScopeEventContexts.size(); ++i) {
TreeScopeEventContext* treeScopeEventContext = relatedTargetEventPath->m_treeScopeEventContexts[i].get();
relatedTargetMap.add(&treeScopeEventContext->treeScope(), treeScopeEventContext->target());
}
#if ENABLE(OILPAN)
// Oilpan: It is important to explicitly clear the vectors to reuse
// the memory in subsequent event dispatchings.
relatedTargetEventPath->clear();
#endif
}