Lucida Pro Homepage Different Layout

/**
 * Override parent function to set homepage layout to three-column
 */
function lucida_get_theme_layout() {
    if ( is_home() || is_front_page() ) {
        return 'three-columns';
    }

    $id = '';

    // Set $id as Shop Page id for WooCommerce Pages excluding cart and checkout
    if ( class_exists( 'woocommerce' ) && is_woocommerce() ) {
        $id = get_option( 'woocommerce_shop_page_id' );
    }
    else {
        global $post, $wp_query;

        // Front page displays in Reading Settings
        $page_on_front  = get_option('page_on_front') ;
        $page_for_posts = get_option('page_for_posts');

        // Get Page ID outside Loop
        $page_id = $wp_query->get_queried_object_id();

        // Blog Page or Front Page setting in Reading Settings
        if ( $page_id == $page_for_posts || $page_id == $page_on_front ) {
            $id = $page_id;
        }
        else if ( is_singular() ) {
            if ( is_attachment() ) {
                $id = $post->post_parent;
            }
            else {
                $id = $post->ID;
            }
        }
    }

    //Get appropriate metabox value of layout
    if ( '' != $id ) {
        $layout = get_post_meta( $id, 'lucida-layout-option', true );
    }
    else {
        $layout = 'default';
    }

    //Load options data
    $options = lucida_get_theme_options();

    //check empty and load default
    if ( empty( $layout ) || 'default' == $layout ) {
        if ( class_exists( 'woocommerce' ) && ( is_woocommerce() || is_cart() || is_checkout() ) ) {
            $layout = $options['woocommerce_layout'];
        }
        else {
            $layout = $options['theme_layout'];
        }
    }

    return $layout;
}