<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Tax
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Nominal subtotal tax total
 */
class Mage_Tax_Model_Sales_Total_Quote_Nominal_Subtotal extends Mage_Tax_Model_Sales_Total_Quote_Subtotal
{
    /**
     * Don't add amounts to address
     *
     * @var bool
     */
    protected $_canAddAmountToAddress = false;

    /**
     * Don't fetch anything
     *
     * @param Mage_Sales_Model_Quote_Address $address
     * @return array
     */
    public function fetch(Mage_Sales_Model_Quote_Address $address)
    {
        return Mage_Sales_Model_Quote_Address_Total_Abstract::fetch($address);
    }

    /**
     * Get nominal items only
     *
     * @param Mage_Sales_Model_Quote_Address $address
     * @return array
     */
    protected function _getAddressItems(Mage_Sales_Model_Quote_Address $address)
    {
        return $address->getAllNominalItems();
    }
}