Centralize check for default themes.

This should make Storefront appear in the Setup Wizard again.

includes/admin/class-wc-admin-setup-wizard.php

@@ -73,7 +73,7 @@ class WC_Admin_Setup_Wizard {
 	 * @return boolean
 	 */
 	protected function should_show_theme() {
-		$support_woocommerce = current_theme_supports( 'woocommerce' ) && ! $this->is_default_theme();
+		$support_woocommerce = current_theme_supports( 'woocommerce' ) && ! wc_is_wp_default_theme_active();
 
 		return (
 			current_user_can( 'install_themes' ) &&
@@ -83,27 +83,6 @@ class WC_Admin_Setup_Wizard {
 		);
 	}
 
-	/**
-	 * Is the user using a default WP theme?
-	 *
-	 * @return boolean
-	 */
-	protected function is_default_theme() {
-		return wc_is_active_theme(
-			array(
-				'twentynineteen',
-				'twentyseventeen',
-				'twentysixteen',
-				'twentyfifteen',
-				'twentyfourteen',
-				'twentythirteen',
-				'twentyeleven',
-				'twentytwelve',
-				'twentyten',
-			)
-		);
-	}
-
 	/**
 	 * The "automated tax" extra should only be shown if the current user can
 	 * install plugins and the store is in a supported country.

includes/class-woocommerce.php

@@ -478,7 +478,7 @@ final class WooCommerce {
 	 * @since 3.3.0
 	 */
 	private function theme_support_includes() {
-		if ( wc_is_active_theme( array( 'twentytwenty', 'twentynineteen', 'twentyseventeen', 'twentysixteen', 'twentyfifteen', 'twentyfourteen', 'twentythirteen', 'twentyeleven', 'twentytwelve', 'twentyten' ) ) ) {
+		if ( wc_is_wp_default_theme_active() ) {
 			switch ( get_template() ) {
 				case 'twentyten':
 					include_once WC_ABSPATH . 'includes/theme-support/class-wc-twenty-ten.php';

includes/wc-core-functions.php

@@ -2143,6 +2143,28 @@ function wc_is_active_theme( $theme ) {
 	return is_array( $theme ) ? in_array( get_template(), $theme, true ) : get_template() === $theme;
 }
 
+/**
+ * Is the user using a default WP theme?
+ *
+ * @return boolean
+ */
+function wc_is_wp_default_theme_active() {
+	return wc_is_active_theme(
+		array(
+			'twentytwenty',
+			'twentynineteen',
+			'twentyseventeen',
+			'twentysixteen',
+			'twentyfifteen',
+			'twentyfourteen',
+			'twentythirteen',
+			'twentyeleven',
+			'twentytwelve',
+			'twentyten',
+		)
+	);
+}
+
 /**
  * Cleans up session data - cron callback.
  *