nl_tokens: Creates an instance of this class .
pl_tokens: function ProgressControl ( player , options ) { classCallCheck ( this , ProgressControl ) ; var _this = possibleConstructorReturn ( this , _Component . call ( this , player , options ) ) ; _this . handleMouseMove = throttle ( bind ( _this , _this . handleMouseMove ) , 25 ) ; _this . on ( _this . el_ , 'mousemove' , _this . handleMouseMove ) ; _this . throttledHandleMouseSeek = throttle ( bind ( _this , _this . handleMouseSeek ) , 25 ) ; _this . <mask> ( [ 'mousedown' , 'touchstart' ] , _this . handleMouseDown ) ; return _this ; }