'', 'nonce' => '' );
		$args = wp_parse_args($args, $defaults);
		parent::__construct($args);
	}
	/**
	 */
	public function add_strings() {
		$this->upgrader->strings['skin_upgrade_start'] = __('The update process is starting. This process may take a while on some hosts, so please be patient.');
		/* translators: 1: Title of an update, 2: Error message */
		$this->upgrader->strings['skin_update_failed_error'] = __('An error occurred while updating %1$s: %2$s');
		/* translators: 1: Title of an update */
		$this->upgrader->strings['skin_update_failed'] = __('The update of %1$s failed.');
		/* translators: 1: Title of an update */
		$this->upgrader->strings['skin_update_successful'] = __( '%1$s updated successfully.' );
		$this->upgrader->strings['skin_upgrade_end'] = __('All updates have been completed.');
	}
	/**
	 *
	 * @param string $string
	 */
	public function feedback($string) {
		if ( isset( $this->upgrader->strings[$string] ) )
			$string = $this->upgrader->strings[$string];
		if ( strpos($string, '%') !== false ) {
			$args = func_get_args();
			$args = array_splice($args, 1);
			if ( $args ) {
				$args = array_map( 'strip_tags', $args );
				$args = array_map( 'esc_html', $args );
				$string = vsprintf($string, $args);
			}
		}
		if ( empty($string) )
			return;
		if ( $this->in_loop )
			echo "$string
\n";
		else
			echo "
$string
\n"; } /** */ public function header() { // Nothing, This will be displayed within a iframe. } /** */ public function footer() { // Nothing, This will be displayed within a iframe. } /** * * @param string|WP_Error $error */ public function error($error) { if ( is_string($error) && isset( $this->upgrader->strings[$error] ) ) $this->error = $this->upgrader->strings[$error]; if ( is_wp_error($error) ) { $messages = array(); foreach ( $error->get_error_messages() as $emessage ) { if ( $error->get_error_data() && is_string( $error->get_error_data() ) ) $messages[] = $emessage . ' ' . esc_html( strip_tags( $error->get_error_data() ) ); else $messages[] = $emessage; } $this->error = implode(', ', $messages); } echo ''; } /** */ public function bulk_header() { $this->feedback('skin_upgrade_start'); } /** */ public function bulk_footer() { $this->feedback('skin_upgrade_end'); } /** * * @param string $title */ public function before($title = '') { $this->in_loop = true; printf( '' . sprintf($this->upgrader->strings['skin_update_failed_error'], $title, '' . $this->error . '' ) . '
' . sprintf($this->upgrader->strings['skin_update_failed'], $title) . '
' . sprintf( $this->upgrader->strings['skin_update_successful'], $title ) . ' ' . '