code: function () {
          var me = this,
              animations = me.pauseForAnimations && me.attachTo.Ext.fx.Manager.items,
              eventDescriptor;
  
          while ((eventDescriptor = me.peekEvent()) !== null) {
              if (animations && animations.getCount()) {
                  return true;
              }
              
              if (eventDescriptor.keyframe) {
                  if (!me.processKeyFrame(eventDescriptor)) {
                      return false;
                  }
                  me.nextEvent(eventDescriptor);
              } else if (eventDescriptor.ts <= me.getTimeIndex() &&
                         me.fireEvent('beforeplay', me, eventDescriptor) !== false &&
                         me.playEvent(eventDescriptor)) {
                  if(window.__x && eventDescriptor.screenshot) {
                       __x.poll.sendSyncRequest({cmd: 'screenshot'});
                  }       
                  me.nextEvent(eventDescriptor);
              } else {
                  return true;
              }
          }
  
          me.stop();
          return false;
      }
docs: This method dequeues and injects events until it has arrived at the time index. If
  no events are ready (based on the time index), this method does nothing.
  @return {Boolean} True if there is more to do; false if not (at least for now).