/**
* {@inheritdoc}
*/
public function getActiveTrailIds($menu_name)
{
// Parent ids; used both as key and value to ensure uniqueness.
// We always want all the top-level links with parent == ''.
$active_trail = array('' => '');
// If a link in the given menu indeed matches the route, then use it to
// complete the active trail.
if ($active_link = $this->getActiveLink($menu_name)) {
if ($parents = $this->menuLinkManager->getParentIds($active_link->getPluginId())) {
$active_trail = $parents + $active_trail;
}
}
return $active_trail;
}
