+
+ /**
+ * Output JavaScript that sends message to parent window to decrement the update counts.
+ *
+ * @since 3.9.0
+ *
+ * @param string $type Type of update count to decrement. Likely values include 'plugin',
+ * 'theme', 'translation', etc.
+ */
+ protected function decrement_update_count( $type ) {
+ if ( ! $this->result || is_wp_error( $this->result ) || 'up_to_date' === $this->result ) {
+ return;
+ }
+ echo '<script type="text/javascript">
+ if ( window.postMessage && JSON ) {
+ window.parent.postMessage( JSON.stringify( { action: "decrementUpdateCount", upgradeType: "' . $type . '" } ), window.location.protocol + "//" + window.location.hostname );
+ }
+ </script>';
+ }