     # 'click button[name="no-tags"]'        : 'onClickNoTags'
 
     'keydown': (e) ->
+      return if @el.hasClass 'playing'  # disable while playing
       switch e.which
         when KEYS.one
           @showFrame(0)

        when KEYS.four
          @showFrame(3)
        when KEYS.space
          @play()

  elements:
    '.subject'                      : 'subjectContainer'

  onClickFourUp: ->
    console.log "4-up"

    @markingSurface.svg.slideDown 100

    # flicker.disable() # find way to disable flicker

  onClickFlicker: ->
