function _registerEvent (target, eventType, cb) {
  if (target.addEventListener) {
    target.addEventListener(eventType, cb)
    return {
      remove: function () {
        target.removeEventListener(eventType, cb)
      }
    }
  } else {
    target.attachEvent(eventType, cb)
    return {
      remove: function () {
        target.detachEvent(eventType, cb)
      }
    }
  }
}

export function openUriWithTimeoutHack (uri, failCb, successCb) {
  const timeout = setTimeout(function () {
    failCb()
    handler.remove()
  }, 1500)

  // handle page running in an iframe (blur must be registered with top level window)
  let target = window
  while (target != target.parent) {
    target = target.parent
  }

  var handler = _registerEvent(target, 'blur', onBlur)

  function onBlur () {
    clearTimeout(timeout)
    handler.remove()
    successCb()
  }

  window.location = uri
}