Mozilla Persona flawless init

persona_init.coffee

window.Persona =
  loaded: false
  button: null

  init: (element) ->
    $ ->
      Persona.button = $(element)
      return unless Persona.button[0]

      unless Persona.button[0].persona_binded
        Persona.button.on "click", -> Persona.click()
        Persona.button[0].persona_binded = true

      return if Persona.loaded

      $.getScript "https://login.persona.org/include.js", (data, state) ->
        if state is "success"
          navigator.id.watch
            onlogin: (assertion) ->
              $.get("/login", { persona: assertion }).done (data) ->
                navigator.id.logout()
                #  Pjax.refresh() if window.Pjax
                location.href = '/'
              return
            onlogout: -> 1;
          Persona.loaded = true
        else
          Info.alert "Error loading Persona login library, try again"

  click: ->
    unless Persona.loaded
      setTimeout ->
        Persona.click()
      , 200
      return

    navigator.id.request()

# onmouseover="Persona.init(this);"