#= require screenfull

do (jQuery) ->
  $.isFullScreenEnabled = ->
    screenfull.enabled && screenfull.raw.fullscreenchange

  $.extend $.fn,
    fullScreen: ->
      $(@).on 'click', ->
        screenfull.toggle(@) if $.isFullScreenEnabled()
      .on screenfull.raw.fullscreenchange, ->
        $(@).trigger(if screenfull.isFullscreen then 'fullscreen:enter' else 'fullscreen:exit')