//  var letters = angular.element(childrenElement.querySelectorAll('.small'));
 /**
   * writingAnimation()
   */
  function writingAnimation() {

      var i = 0;
      var textTimeout;

      /**
       * addText()
       *
       */
      (function addText() {

          if (letters[i]) {
              letters[i].classList.add('is-big');
          }

          i++;
          // the text animation shall take max 20s
          var isInTime = Math.round( ( i *  67 ) / 1000 ) <= 20;
          if (isInTime && totalLength >= i) {
              if (angular.isDefined(textTimeout)) {
                  $timeout.cancel(textTimeout);
              }
              textTimeout = $timeout(addText, 1000 / 30 );
          } else {
              if (!isInTime) {
                  childrenElement.querySelector('.description').innerHTML += '...'; // Leguan
              }
              if (settings.QRMode === 2) {
                  currentItem.iconStyle['opacity'] = '0';
              }
          }
      })();
  }