// 1. post session request
public PleaseWaitWindow Initialize(Account sender, Account receiver, Action closeWatcher, object locker)
{
_closeWatcher = closeWatcher;
_locker = locker;
SessionController.CreateSessionRequestResponse(sender, receiver, false, _locker);
Task.Run(async() =>
{
string text = "";
if (Dispatcher != null)
{
await Dispatcher?.InvokeAsync(() => text = ConnectionBlock.Text);
var i = 30;
while (i > 0 && !_close)
{
var secs = i;
// ReSharper disable once PossibleNullReferenceException
await Dispatcher.InvokeAsync(() => ConnectionBlock.Text = text + secs + "sec");
await Task.Delay(1000);
i--;
}
Close();
}
_closeWatcher();
});
Task.Run(() => FSWatcherController.ExecuteWatcher(_fileSystemWatcher, Directory.GetCurrentDirectory() + @"\..\..\ChatRequests\", "*.sesres", ResponseCallback, () => _close));
return(this);
}
// 2. Get session request
// 3. Post session response
private void ChatRequestIsHere(object o, FileSystemEventArgs e)
{
if (Path.GetFileNameWithoutExtension(e.Name) != AccountsController.GetInstance().CurrentAccount.Username)
{
return;
}
Account receiver = AccountsController.GetInstance().CurrentAccount;
Account sender =
SessionController.ReadSessionRequest(AccountsController.GetInstance().CurrentAccount, false, _locker);
if (sender == null)
{
return;
}
var result = MessageBox.Show($"Do you want to chat with {sender.Username}?", "Chat request",
MessageBoxButton.YesNo,
MessageBoxImage.Question);
if (result != MessageBoxResult.Yes)
{
return;
}
if (!SessionController.CreateSessionRequestResponse(receiver, sender, true, _locker))
{
return;
}
CloseRequest = true;
CloseOnline = true;
_fileSystemWatcherOnline.EnableRaisingEvents = false;
_fileSystemWatcherOnline.Dispose();
_fileSystemWatcherRequest.EnableRaisingEvents = false;
_fileSystemWatcherRequest.Dispose();
lock (_locker)
{
while (true)
{
try
{
File.Delete(USER_REQUEST_PATH);
break;
}
catch (IOException)
{
Task.Delay(1000);
}
}
}
ChatWindow chatWindow = null;
if (Dispatcher != null)
{
Dispatcher.Invoke(() => chatWindow = new ChatWindow().Initialize(this, sender));
Task.Delay(500);
Dispatcher.Invoke(() => chatWindow.Show());
}
Dispatcher?.Invoke(Hide);
}
protected override void OnClosing(CancelEventArgs e)
{
var result = MessageBox.Show($"Do you want to cancel chat session with {_receiver.Username}?", "Chat session", MessageBoxButton.YesNo, MessageBoxImage.Question);
if (result == MessageBoxResult.Yes)
{
_close = true;
SessionController.CreateSessionRequestResponse(AccountsController.GetInstance().CurrentAccount, _receiver,
false, locker);
ClosingController.CloseApplication();
}
else
{
e.Cancel = true;
}
base.OnClosing(e);
}