/**
* Retrieve wishlist item count (include config settings)
* Used in top link menu only
*
* @return int
*/
public function getItemCount()
{
$storedDisplayType = $this->_customerSession->getWishlistDisplayType();
$currentDisplayType = $this->scopeConfig->getValue(self::XML_PATH_WISHLIST_LINK_USE_QTY, \Magento\Store\Model\ScopeInterface::SCOPE_STORE);
$storedDisplayOutOfStockProducts = $this->_customerSession->getDisplayOutOfStockProducts();
$currentDisplayOutOfStockProducts = $this->scopeConfig->getValue(self::XML_PATH_CATALOGINVENTORY_SHOW_OUT_OF_STOCK, \Magento\Store\Model\ScopeInterface::SCOPE_STORE);
if (!$this->_customerSession->hasWishlistItemCount() || $currentDisplayType != $storedDisplayType || $this->_customerSession->hasDisplayOutOfStockProducts() || $currentDisplayOutOfStockProducts != $storedDisplayOutOfStockProducts) {
$this->calculate();
}
return $this->_customerSession->getWishlistItemCount();
}