void ElementShadow::addShadowRoot(Element* shadowHost, PassRefPtr<ShadowRoot> shadowRoot, ShadowRoot::ShadowRootType type, ExceptionCode& ec)
{
ASSERT(shadowHost);
ASSERT(shadowRoot);
if (!validateShadowRoot(shadowHost->document(), shadowRoot.get(), ec))
return;
if (type == ShadowRoot::AuthorShadowRoot)
shadowHost->willAddAuthorShadowRoot();
shadowRoot->setHost(shadowHost);
shadowRoot->setParentTreeScope(shadowHost->treeScope());
m_shadowRoots.push(shadowRoot.get());
m_distributor.didShadowBoundaryChange(shadowHost);
ChildNodeInsertionNotifier(shadowHost).notify(shadowRoot.get());
// Existence of shadow roots requires the host and its children to do traversal using ComposedShadowTreeWalker.
shadowHost->setNeedsShadowTreeWalker();
// FIXME(94905): ShadowHost should be reattached during recalcStyle.
// Set some flag here and recreate shadow hosts' renderer in
// Element::recalcStyle.
if (shadowHost->attached())
shadowHost->lazyReattach();
InspectorInstrumentation::didPushShadowRoot(shadowHost, shadowRoot.get());
}
void ShadowTree::addShadowRoot(Element* shadowHost, PassRefPtr<ShadowRoot> shadowRoot, ExceptionCode& ec)
{
ASSERT(shadowHost);
ASSERT(shadowRoot);
if (!validateShadowRoot(shadowHost->document(), shadowRoot.get(), ec))
return;
shadowRoot->setShadowHost(shadowHost);
ChildNodeInsertionNotifier(shadowHost).notify(shadowRoot.get());
if (shadowHost->attached()) {
shadowRoot->lazyAttach();
detach();
shadowHost->detachChildren();
}
m_shadowRoots.push(shadowRoot.get());
InspectorInstrumentation::didPushShadowRoot(shadowHost, shadowRoot.get());
}