/// <summary>
/// Constructor for the Application object.
/// </summary>
public App()
{
// Global handler for uncaught exceptions.
UnhandledException += Application_UnhandledException;
// Show graphics profiling information while debugging.
if (System.Diagnostics.Debugger.IsAttached)
{
// Display the current frame rate counters.
//Application.Current.Host.Settings.EnableFrameRateCounter = true;
// Show the areas of the app that are being redrawn in each frame.
//Application.Current.Host.Settings.EnableRedrawRegions = true;
// Enable non-production analysis visualization mode,
// which shows areas of a page that are being GPU accelerated with a colored overlay.
//Application.Current.Host.Settings.EnableCacheVisualization = true;
}
// Standard Silverlight initialization
InitializeComponent();
// Phone-specific initialization
InitializePhoneApplication();
// Here we initialize our Login UI and hook it up to the frame.
//
var loginView = new FacebookLoginView();
loginView.Complete += (s, e) =>
{
// when the loginView tells us that that a login is completed,
// then tell the LoginModel that it needs to go process it.
//
// this forms the bridge between the oauth process and what AgFx
// understands.
//
if (!FacebookLoginModel.Current.IsLoggedIn)
{
FacebookLoginModel.Login(e.AccessToken, e.Expiration);
}
};
// Here we set up the frame binding.
//
// the below says:
// "When the FacebookLoginModel.Current.IsLoggedIn property is FALSE,
// set the PhoneApplicationFrameEx.IsPopupVisible to true. Or vice-versa."
//
RootFrame.PopupContent = loginView;
Binding b = new Binding("IsLoggedIn");
b.Source = FacebookLoginModel.Current;
b.Converter = new NotConverter();
RootFrame.SetBinding(PhoneApplicationFrameEx.IsPopupVisibleProperty, b);
}
/// <summary>
/// invoke a logout.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Logout_Click(object sender, RoutedEventArgs e)
{
if (FacebookLoginModel.Current.IsLoggedIn)
{
DataManager.Current.Clear <FacebookUserModel>("me");
FacebookLoginView.LogoutMode = true;
FacebookLoginModel.Logout();
}
}
public object Deserialize(FacebookLoginLoadContext loadContext, Type objectType, System.IO.Stream stream)
{
// just pick the values back out of the stream.
//
StreamReader sr = new StreamReader(stream);
string access_token = sr.ReadLine();
DateTime expiration_time = DateTime.Parse(sr.ReadLine());
// build our loginmodel.
//
FacebookLoginModel flm = new FacebookLoginModel();
flm.LoadContext = loadContext;
flm.Token = access_token;
flm.ExpirationTimeUtc = expiration_time.ToUniversalTime();
return(flm);
}
