/**
  * If product details are accessed by vendor url
  * view must not be indexable
  *
  * @return int
  */
 public function noIndex()
 {
     $listType = $this->getConfig()->getRequestParameter('listtype');
     if ($listType && ('vendor' == $listType || 'manufacturer' == $listType)) {
         return $this->_iViewIndexState = VIEW_INDEXSTATE_NOINDEXFOLLOW;
     }
     return parent::noIndex();
 }