/// <summary>
/// AgFx will call this method when it wants to load the new value -
/// even though it's just the values we got off of the OAuth process.
/// </summary>
/// <param name="result"></param>
public override void Execute(Action <LoadRequestResult> result)
{
// Grab the values off of the LoadContext.
//
FacebookLoginLoadContext context = (FacebookLoginLoadContext)LoadContext;
string access_token = context.AccessToken;
DateTime expiration_time = context.Expiration;
// Make sure we have a token.
if (access_token != null)
{
// write the values into a stream and return that.
MemoryStream ms = new MemoryStream();
StreamWriter sw = new StreamWriter(ms);
sw.WriteLine(access_token);
sw.WriteLine(expiration_time);
sw.Flush();
ms.Seek(0, SeekOrigin.Begin);
LoadRequestResult r = new LoadRequestResult(ms);
result(r);
}
else
{
result(new LoadRequestResult(new UnauthorizedAccessException()));
}
}
/// <summary>
/// Actually do the login, given a token and expiration time.
/// </summary>
/// <param name="accessToken"></param>
/// <param name="expirationTimeUtc"></param>
public static void Login(string accessToken, DateTime expirationTimeUtc)
{
FacebookLoginLoadContext defaultContext = (FacebookLoginLoadContext)FacebookLoginModel.Current.LoadContext;
defaultContext.AccessToken = accessToken;
defaultContext.Expiration = expirationTimeUtc;
DataManager.Current.Refresh <FacebookLoginModel>(defaultContext,
(lm) =>
{
if (lm.IsLoggedIn)
{
lm.RaiseLogin();
}
},
null);
}
