private void ResponseCallback(IAsyncResult asyncResult)
{
try
{
HttpWebRequest request = (HttpWebRequest)asyncResult.AsyncState;
HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(asyncResult);
using (StreamReader sr = new StreamReader(response.GetResponseStream()))
{
ObservableCollection<HighScore> highScores = new ObservableCollection<HighScore>();
JArray ja = JArray.Parse(sr.ReadToEnd());
// Populate high scores list.
for (int i = 0; i < ja.Count; i++)
{
JObject jo = (JObject)ja[i];
HighScore hs = new HighScore(i + 1,
(string)jo["player"],
(int)jo["score"],
DateTime.FromFileTimeUtc(long.Parse((string)jo["ts"])));
highScores.Add(hs);
}
LeaderboardViewModel lbvm = new LeaderboardViewModel(highScores);
LayoutRoot.Dispatcher.BeginInvoke(new Action(() => { LayoutRoot.DataContext = lbvm; }));
if (!string.IsNullOrEmpty(NewPlayer) && Score != null)
{
for (int i = 0; i < lbvm.HighScores.Count; i++)
{
HighScore hs = lbvm.HighScores[i];
if (hs.Player.Equals(NewPlayer) && hs.Score == Score)
{
ScoresListBox.Dispatcher.BeginInvoke(new Action(() => { ScoresListBox.SelectedIndex = i; }));
break;
}
}
}
}
}
catch (Exception)
{
// Run on UI thread. Probably a better place to get dispatcher from than LayoutRoot
LayoutRoot.Dispatcher.BeginInvoke(new Action(() => { MessageBox.Show("Unable to get scores. Are you connected to the internet?"); }));
}
}
private void GetHighScoresResponseCallback(IAsyncResult asyncResult)
{
try
{
HttpWebRequest request = (HttpWebRequest)asyncResult.AsyncState;
HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(asyncResult);
ObservableCollection<HighScore> highScores = new ObservableCollection<HighScore>();
using (StreamReader sr = new StreamReader(response.GetResponseStream()))
{
JArray ja = JArray.Parse(sr.ReadToEnd());
// Populate high scores list.
for (int i = 0; i < ja.Count; i++)
{
JObject jo = (JObject)ja[i];
HighScore hs = new HighScore(i + 1,
(string)jo["player"],
(int)jo["score"],
DateTime.FromFileTimeUtc(long.Parse((string)jo["ts"])));
highScores.Add(hs);
}
}
if (highScores.Count < 20 || scoreViewModel.Score > highScores[highScores.Count - 1].Score)
{
SubmitHighScoreButton.Dispatcher.BeginInvoke(() =>
{
SubmitHighScoreButton.Visibility = System.Windows.Visibility.Visible;
});
}
}
catch (Exception)
{
// Do nothing
}
}
