private void SetupComponents(ViewModel.LobbyViewModel viewModel)
{
model = viewModel.Model;
memberList.ItemsSource = viewModel.MemberIDs;
memberList.ItemTapped += (object sender, ItemTappedEventArgs e) =>
{
if (e.Item == null)
{
return;
}
var sessionId = (e.Item as ViewModel.ChatSessionID).SessionID;
if (sessionId != null && sessionId.Length > 0)
{
StartSession(sessionId, null);
}
memberList.SelectedItem = null;
};
viewModel.MemberIDs.CollectionChanged += (object sender, NotifyCollectionChangedEventArgs e) =>
{
for (int i = e.NewStartingIndex; i < e.NewItems.Count; ++i)
{
(e.NewItems[i] as ViewModel.ChatSessionID).PropertyChanged += (object s, PropertyChangedEventArgs ev) =>
{
Device.BeginInvokeOnMainThread(() =>
{
// Trigger an update
memberList.ItemsSource = null;
memberList.ItemsSource = viewModel.MemberIDs;
});
};
}
};
}
private void StartSessionHandler(object sender, EventArgs e)
{
Device.BeginInvokeOnMainThread(() =>
{
chatButton.Text = "Searching";
chatButton.IsEnabled = false;
spinner.IsRunning = true;
});
Task.Run(async() =>
{
lobbyViewModel = new ViewModel.LobbyViewModel();
bool success = await lobbyViewModel.Model.Join();
Device.BeginInvokeOnMainThread(async() =>
{
if (success)
{
await Navigation.PushAsync(lobbyViewModel.View, true);
}
else
{
messageHandler?.ShowToast("Unable to join a chat lobby");
}
chatButton.Text = "Start chatting";
chatButton.IsEnabled = true;
spinner.IsRunning = false;
});
if (success)
{
lobbyViewModel.Model.StartRequestInterval();
}
});
}
public LobbyPage(ViewModel.LobbyViewModel viewModel)
{
InitializeComponent();
SetupComponents(viewModel);
App.Instance.Connector.StateChanged += OnBackendStateChanged;
}