LatLongSnapInteractor.kt

class LatLongSnapInteractor : MapBehavior {
  private var latLong = ObservableField<LatLong>(LatLong.DEFAULT)
  
  fun setLatLong(latLong: LatLong) {
    this.latLong.set(latLong)
  }
  
  // will activate during resume-pause
  fun onVisible(map:Map): Completable {
    return latLong.asObservable()
               .filter { it != LatLong.DEFAULT }
               .switchMap { latLong -> map.snapLatLong(latLong) }
  }
}