if ev.touches?.length

          ev = ev.touches[0]

        root = @$.cursorCanvas.getBoundingClientRect()

        @viewState.mouse.pos($V([ev.pageX - root.left, ev.pageY - root.top]))

        # should be controlled by a checkbox next to follow-player-song-choice

        @sendMouseToVidref() unless window.location.hash.match(/novidref/)

  sendMouseToVidref: ->

    now = Date.now()

    if (!@$.vidrefLastSent? || @$.vidrefLastSent < now - 200) && !@songPlaying

      @$.vidrefTime.generateRequest()

      @$.vidrefLastSent = now

  bindWheelZoom: (elem) ->

    elem.addEventListener 'mousewheel', (ev) =>

      @viewState.onMouseWheel(ev.deltaY)

  bindKeys: ->

    shortcut.add "Ctrl+P", (ev) =>

      @$.music.seekPlayOrPause(@viewState.latestMouseTime())

    shortcut.add "Ctrl+Escape", => @viewState.frameAll()

    shortcut.add "Shift+Escape", => @viewState.frameToEnd()