Source

File: wp-admin/includes/class-wp-ms-themes-list-table.php

public function single_row( $theme ) {
		global $status, $totals;

		if ( $this->is_site_themes ) {
			$allowed = $theme->is_allowed( 'site', $this->site_id );
		} else {
			$allowed = $theme->is_allowed( 'network' );
		}

		$stylesheet = $theme->get_stylesheet();

		$class = ! $allowed ? 'inactive' : 'active';
		if ( ! empty( $totals['upgrade'] ) && ! empty( $theme->update ) ) {
			$class .= ' update';
		}

		printf(
			'<tr class="%s" data-slug="%s">',
			esc_attr( $class ),
			esc_attr( $stylesheet )
		);

		$this->single_row_columns( $theme );

		echo '</tr>';

		if ( $this->is_site_themes ) {
			remove_action( "after_theme_row_$stylesheet", 'wp_theme_update_row' );
		}

		/**
		 * Fires after each row in the Multisite themes list table.
		 *
		 * @since 3.1.0
		 *
		 * @param string   $stylesheet Directory name of the theme.
		 * @param WP_Theme $theme      Current WP_Theme object.
		 * @param string   $status     Status of the theme.
		 */
		do_action( 'after_theme_row', $stylesheet, $theme, $status );

		/**
		 * Fires after each specific row in the Multisite themes list table.
		 *
		 * The dynamic portion of the hook name, `$stylesheet`, refers to the
		 * directory name of the theme, most often synonymous with the template
		 * name of the theme.
		 *
		 * @since 3.5.0
		 *
		 * @param string   $stylesheet Directory name of the theme.
		 * @param WP_Theme $theme      Current WP_Theme object.
		 * @param string   $status     Status of the theme.
		 */
		do_action( "after_theme_row_{$stylesheet}", $stylesheet, $theme, $status );
	}