public async Task Start(CancellationToken cancellationToken)
{
ConsoleDriver.Init();
_currentConsole = new VirtualConsole();
var hookContext = new HookContext(this);
EventHookManager = new EventHookManager(_options.HookTypes ?? Enumerable.Empty <Type>(), _options.AfterUpdates ?? Enumerable.Empty <Action>(), hookContext, ServiceProvider);
foreach (var afterCreateTask in _options.AfterCreateInvokers)
{
afterCreateTask.Invoke(this, ServiceProvider);
}
if (_options.StartupFunc != null)
{
await _options.StartupFunc(ServiceProvider, this);
}
var startup = ServiceProvider.GetService <ITvisionAppStartup>();
if (startup != null)
{
await startup.Startup(this);
}
PerformDrawOperations(force: true);
while (!cancellationToken.IsCancellationRequested)
{
_watcher.Start();
var evts = _eventPumper.ReadEvents();
if (evts.HasWindowEvent)
{
_currentConsole.Resize(evts.WindowEvent.NewRows, evts.WindowEvent.NewColumns);
}
EventHookManager.ProcessEvents(evts);
_ui.Update(evts);
PerformDrawOperations(force: false);
EventHookManager.ProcessAfterUpdateActions();
// TODO: At this point we still have all events in evts, but:
// 1. No clue of which events had been processed (should annotate that)
// 2. Don't do anything with remaining events. A list of pluggable "remaining events handler" could be implemented
_watcher.Stop();
var ellapsed = (int)_watcher.ElapsedTicks;
if (ellapsed < TIME_PER_FRAME)
{
await Task.Delay(TimeSpan.FromTicks(TIME_PER_FRAME - ellapsed), cancellationToken);
}
_watcher.Reset();
}
}