void StyleInvalidator::scheduleSiblingInvalidationsAsDescendants(const InvalidationLists& invalidationLists, ContainerNode& schedulingParent) { if (invalidationLists.siblings.isEmpty()) return; PendingInvalidations& pendingInvalidations = ensurePendingInvalidations(schedulingParent); for (auto& invalidationSet : invalidationLists.siblings) { if (invalidationSet->invalidatesSelf() && !pendingInvalidations.descendants().contains(invalidationSet)) pendingInvalidations.descendants().append(invalidationSet); if (DescendantInvalidationSet* descendants = toSiblingInvalidationSet(*invalidationSet).siblingDescendants()) { if (!pendingInvalidations.descendants().contains(descendants)) pendingInvalidations.descendants().append(descendants); } } schedulingParent.setNeedsStyleInvalidation(); }