public static function theme_background_installer( $theme_slug ) {
		// Explicitly clear the event.
		$args = func_get_args();

		if ( ! empty( $theme_slug ) ) {
			// Suppress feedback.
			ob_start();

			try {
				$theme = wp_get_theme( $theme_slug );

				if ( ! $theme->exists() ) {
					require_once ABSPATH . 'wp-admin/includes/file.php';
					include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
					include_once ABSPATH . 'wp-admin/includes/theme.php';

					WP_Filesystem();

					$skin     = new Automatic_Upgrader_Skin();
					$upgrader = new Theme_Upgrader( $skin );
					$api      = themes_api(
						'theme_information',
						array(
							'slug'   => $theme_slug,
							'fields' => array( 'sections' => false ),
						)
					);
					$result   = $upgrader->install( $api->download_link );

					if ( is_wp_error( $result ) ) {
						throw new Exception( $result->get_error_message() );
					} elseif ( is_wp_error( $skin->result ) ) {
						throw new Exception( $skin->result->get_error_message() );
					} elseif ( is_null( $result ) ) {
						throw new Exception( 'Unable to connect to the filesystem. Please confirm your credentials.' );
					}
				}

				switch_theme( $theme_slug );
			} catch ( Exception $e ) {
				WC_Admin_Notices::add_custom_notice(
					$theme_slug . '_install_error',
					sprintf(
						// translators: 1: theme slug, 2: error message, 3: URL to install theme manually.
						__( '%1$s could not be installed (%2$s). <a href="%3$s">Please install it manually by clicking here.</a>', 'woocommerce' ),
						$theme_slug,
						$e->getMessage(),
						esc_url( admin_url( 'update.php?action=install-theme&theme=' . $theme_slug . '&_wpnonce=' . wp_create_nonce( 'install-theme_' . $theme_slug ) ) )
					)
				);
			}

			// Discard feedback.
			ob_end_clean();
		}
	}