factory constructor DeviceOrientationEvent

Source

factory DeviceOrientationEvent(String type,
    {bool canBubble: true, bool cancelable: true, num alpha: 0, num beta: 0,
    num gamma: 0, bool absolute: false}) {
  DeviceOrientationEvent e = document._createEvent("DeviceOrientationEvent");
  e._initDeviceOrientationEvent(type, canBubble, cancelable, alpha, beta,
      gamma, absolute);
  return e;
}