void ShadowTree::recalcShadowTreeStyle(Node::StyleChange change)
{
ShadowRoot* youngest = youngestShadowRoot();
if (!youngest)
return;
if (needsReattachHostChildrenAndShadow())
reattachHostChildrenAndShadow();
else {
StyleResolver* styleResolver = youngest->document()->styleResolver();
styleResolver->pushParentShadowRoot(youngest);
for (Node* n = youngest->firstChild(); n; n = n->nextSibling()) {
if (n->isElementNode())
static_cast<Element*>(n)->recalcStyle(change);
else if (n->isTextNode())
toText(n)->recalcTextStyle(change);
}
styleResolver->popParentShadowRoot(youngest);
}
clearNeedsReattachHostChildrenAndShadow();
for (ShadowRoot* root = youngestShadowRoot(); root; root = root->olderShadowRoot()) {
root->clearNeedsStyleRecalc();
root->clearChildNeedsStyleRecalc();
}
}
static void attachShadowRoot(ShadowRoot& shadowRoot)
{
if (shadowRoot.attached())
return;
StyleResolver& styleResolver = shadowRoot.document().ensureStyleResolver();
styleResolver.pushParentShadowRoot(&shadowRoot);
attachChildren(shadowRoot);
styleResolver.popParentShadowRoot(&shadowRoot);
shadowRoot.clearNeedsStyleRecalc();
shadowRoot.setAttached(true);
}