/// <summary>
/// Show a Sign In dialog if the remote endpoint demands a UserNameIdentity token.
/// </summary>
/// <param name="endpoint">The remote endpoint.</param>
/// <returns>A UserIdentity</returns>
public Task <IUserIdentity> ProvideUserIdentity(EndpointDescription endpoint)
{
if (endpoint.UserIdentityTokens.Any(p => p.TokenType == UserTokenType.Anonymous))
{
return(Task.FromResult <IUserIdentity>(new AnonymousIdentity()));
}
if (endpoint.UserIdentityTokens.Any(p => p.TokenType == UserTokenType.UserName))
{
var tcs = new TaskCompletionSource <IUserIdentity>();
this.NavigationService.Dispatcher.DispatchIdleAsync(async() =>
{
var d = new UserIdentityDialog(endpoint);
var result = await d.ShowAsync();
if (result == ContentDialogResult.Primary)
{
tcs.TrySetResult(d.UserIdentity);
}
tcs.TrySetResult(new AnonymousIdentity());
});
return(tcs.Task);
}
throw new NotImplementedException("ProvideUserIdentity supports only UserName and Anonymous identity, for now.");
}
/// <summary>
/// Show a Sign In dialog if the remote endpoint demands a UserNameIdentity token.
/// </summary>
/// <param name="endpoint">The remote endpoint.</param>
/// <returns>A UserIdentity</returns>
private async Task <IUserIdentity> ShowSignInDialog(EndpointDescription endpoint)
{
if (endpoint.UserIdentityTokens.Any(p => p.TokenType == UserTokenType.Anonymous))
{
return(new AnonymousIdentity());
}
if (endpoint.UserIdentityTokens.Any(p => p.TokenType == UserTokenType.UserName))
{
var tcs = new TaskCompletionSource <IUserIdentity>();
var dispatcher = Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher;
if (dispatcher != null)
{
await dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async() =>
{
var d = new UserIdentityDialog(endpoint);
var result = await d.ShowAsync();
if (result == ContentDialogResult.Primary)
{
tcs.TrySetResult(d.UserIdentity);
}
tcs.TrySetResult(new AnonymousIdentity());
});
}
return(await tcs.Task);
}
throw new NotImplementedException("SignInDialog supports only UserName and Anonymous identity, for now.");
}