void ScopedStyleTree::setupScopedStylesTree(ScopedStyleResolver* target)
{
ASSERT(target);
const ContainerNode& scopingNode = target->scopingNode();
// Since StyleResolver creates RuleSets according to styles' document
// order, a parent of the given ScopedRuleData has been already
// prepared.
for (const ContainerNode* node = scopingNode.parentOrShadowHostNode(); node; node = node->parentOrShadowHostNode()) {
if (ScopedStyleResolver* scopedResolver = scopedStyleResolverFor(*node)) {
target->setParent(scopedResolver);
break;
}
if (node->isDocumentNode()) {
bool dummy;
ScopedStyleResolver* scopedResolver = addScopedStyleResolver(*node, dummy);
target->setParent(scopedResolver);
setupScopedStylesTree(scopedResolver);
break;
}
}
if (m_buildInDocumentOrder)
return;
// Reparent all nodes whose scoping node is contained by target's one.
for (HashMap<const ContainerNode*, OwnPtr<ScopedStyleResolver> >::iterator it = m_authorStyles.begin(); it != m_authorStyles.end(); ++it) {
if (it->value == target)
continue;
ASSERT(it->key->inDocument());
if (it->value->parent() == target->parent() && scopingNode.containsIncludingShadowDOM(it->key))
it->value->setParent(target);
}
}
ScopedStyleResolver* ScopedStyleTree::ensureScopedStyleResolver(const ContainerNode& scopingNode)
{
bool isNewEntry;
ScopedStyleResolver* scopedStyleResolver = addScopedStyleResolver(scopingNode, isNewEntry);
if (isNewEntry)
setupScopedStylesTree(scopedStyleResolver);
return scopedStyleResolver;
}
void StyleEngine::createResolver()
{
// It is a programming error to attempt to resolve style on a Document
// which is not in a frame. Code which hits this should have checked
// Document::isActive() before calling into code which could get here.
ASSERT(document().frame());
m_resolver = adoptPtr(new StyleResolver(*m_document));
addScopedStyleResolver(&m_document->ensureScopedStyleResolver());
appendActiveAuthorStyleSheets();
}
void ScopedStyleTree::setupScopedStylesTree(ScopedStyleResolver* target)
{
ASSERT(target);
ASSERT(target->scopingNode());
// Since StyleResolver creates RuleSets according to styles' document
// order, a parent of the given ScopedRuleData has been already
// prepared.
const ContainerNode* e = target->scopingNode()->parentOrShadowHostNode();
for (; e; e = e->parentOrShadowHostNode()) {
if (ScopedStyleResolver* scopedResolver = scopedStyleResolverFor(e)) {
target->setParent(scopedResolver);
break;
}
if (e->isDocumentNode()) {
bool dummy;
ScopedStyleResolver* scopedResolver = addScopedStyleResolver(e, dummy);
target->setParent(scopedResolver);
setupScopedStylesTree(scopedResolver);
break;
}
}
}
