/// <inheritdoc/>
/// <exception cref="GeolocationPositionException">Thrown when an error is encountered in the browser API</exception>
public async Task <GeolocationPosition> GetCurrentPositionAsync(PositionOptions options = null)
{
var tcs = new TaskCompletionSource <GeolocationPosition>();
await GetCurrentPositionAsync((GeolocationPosition pos) => tcs.SetResult(pos),
(GeolocationPositionError err) => tcs.SetException(new GeolocationPositionException(err)),
options);
return(await tcs.Task);
}
/// <inheritdoc/>
public async Task <long> WatchPositionAsync(Action <GeolocationPosition> success, Action <GeolocationPositionError> error = null, PositionOptions options = null)
{
var successJsAction = new JSAction <GeolocationPosition>(success);
var errorJsAction = new JSAction <GeolocationPositionError>(error);
var successRef = DotNetObjectReference.Create(successJsAction);
var errorRef = DotNetObjectReference.Create(errorJsAction);
await InjectJSHelper();
long id = await jsRuntime.InvokeAsync <long>("GeolocationBlazor.WatchPosition", successRef, errorRef, options).AsTask();
disposablesByWatchId.Add(id, new List <IDisposable> {
successRef, errorRef
});
return(id);
}
/// <inheritdoc/>
public async Task GetCurrentPositionAsync(Action <GeolocationPosition> success, Action <GeolocationPositionError> error = null, PositionOptions options = null)
{
var successJsAction = new JSAction <GeolocationPosition>(success);
var errorJsAction = new JSAction <GeolocationPositionError>(error);
var successRef = DotNetObjectReference.Create(successJsAction);
var errorRef = DotNetObjectReference.Create(errorJsAction);
await InjectJSHelper();
await jsRuntime.InvokeVoidAsync("GeolocationBlazor.GetCurrentPosition", successRef, errorRef, options);
}
