nl_tokens: This method is called when a keyframe is reached . This will fire the keyframe event . If the keyframe has been handled true is returned . Otherwise false is returned .
pl_tokens: function ( eventDescriptor ) { var me = this ; // only fire keyframe event (and setup the eventDescriptor) once... if ( ! eventDescriptor . defer ) { me . makeToken ( eventDescriptor , 'done' ) ; me . fireEvent ( 'keyframe' , me , eventDescriptor ) ; } return eventDescriptor . <mask> ; }