/// <summary>
/// Fetches data returned by login dialog from callback uri. Creates and saves new AccessTokenData object to current session.
/// Calls getLoginStatus internally to fill AccessTokenData with such values as FacebookId and CurrentPermissions
/// </summary>
/// <param name="uri">Callback uri of login dialog</param>
private static Task <AccessTokenData> FetchLoginUriAsync(Uri uri)
{
var tcs = new TaskCompletionSource <AccessTokenData>();
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
var oauthResult = FbClient.ParseOAuthCallbackUrl(uri);
if (oauthResult.IsSuccess)
{
var tempToken = new AccessTokenData
{
AccessToken = oauthResult.AccessToken,
Expires = oauthResult.Expires
};
tcs.SetResult(tempToken);
}
else
{
tcs.SetException(new Exception(oauthResult.Error));
}
});
return(tcs.Task);
}
private void WebBrowser_LoadCompleted(object sender, System.Windows.Navigation.NavigationEventArgs e)
{
try
{
var callback = webBrowser.Source;
var oauth = FbClient.ParseOAuthCallbackUrl(callback);
FbClient.AccessToken = oauth.AccessToken;
FbAccountLoggedIn = true;
browserWindow.Close();
MessageBox.Show("Authentication successful. You can now post recipes to Facebook.");
}
catch (Exception ex)
{
return;
}
}