currentLocation() {
    var location = this.manager.currentLocation();

    if (location && location.then && typeof location.then === "function") {
      location.then(function (result) {
        let located = this.located(result);
        return located;
      }.bind(this));
    } else if (location) {
      let located = this.located(location);
      return located;
    }
  }
Get the Current Location object
@return {displayedLocation | promise} location (may be a promise)