/// <summary>
/// register a handler function that will be called automatically each time the position of the device changes.
/// </summary>
/// <param name="callback"></param>
/// <param name="options"></param>
/// <returns></returns>
public async ValueTask <IAsyncDisposable> WatchPosition(Func <GeolocationResult, ValueTask> callback,
PositionOptions options = null)
{
var wrapper = new WatchGeolocationWrapper(callback, jsRuntime);
var watchId = await jsRuntime.InvokeAsync <int>(
"browserInterop.navigator.geolocation.watchPosition",
options,
DotNetObjectReference.Create(wrapper)).ConfigureAwait(false);
wrapper.SetWatchId(watchId);
return(wrapper);
}
/// <summary>
/// used to get the current position of the device.
/// </summary>
/// <param name="options"></param>
/// <returns></returns>
public async ValueTask <GeolocationResult> GetCurrentPosition(PositionOptions options = null)
{
return(await jsRuntime.InvokeAsync <GeolocationResult>(
"browserInterop.navigator.geolocation.getCurrentPosition", options).ConfigureAwait(false));
}