internal ApplicationStateManager(IClassicDesktopStyleApplicationLifetime lifetime, bool startInBg)
{
_lifetime = lifetime;
_stateMachine = new StateMachine <State, Trigger>(State.InitialState);
ApplicationViewModel = new ApplicationViewModel(this);
Observable
.FromEventPattern(Services.SingleInstanceChecker, nameof(SingleInstanceChecker.OtherInstanceStarted))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ => _stateMachine.Fire(Trigger.Show));
_stateMachine.Configure(State.InitialState)
.InitialTransition(State.Open)
.OnTrigger(Trigger.ShutdownRequested, () => lifetime.Shutdown())
.OnTrigger(Trigger.ShutdownPrevented, () => ApplicationViewModel.OnShutdownPrevented());
_stateMachine.Configure(State.Closed)
.SubstateOf(State.InitialState)
.OnEntry(() =>
{
_lifetime.MainWindow.Close();
_lifetime.MainWindow = null;
ApplicationViewModel.IsMainWindowShown = false;
})
.Permit(Trigger.Show, State.Open)
.Permit(Trigger.ShutdownPrevented, State.Open)
.Permit(Trigger.Loaded, State.Open);
_stateMachine.Configure(State.Open)
.SubstateOf(State.InitialState)
.OnEntry(CreateAndShowMainWindow)
.Permit(Trigger.Hide, State.Closed)
.Permit(Trigger.MainWindowClosed, State.Closed)
.OnTrigger(Trigger.Show, MainViewModel.Instance.ApplyUiConfigWindowSate);
_lifetime.ShutdownRequested += LifetimeOnShutdownRequested;
_stateMachine.Start();
if (!startInBg)
{
_stateMachine.Fire(Trigger.Loaded);
}
}
protected override void ExitApplication()
{
_isShuttingDown = true;
_appLifetime.Shutdown();
}
private Task Exit()
{
desktop.Shutdown();
return(Task.CompletedTask);
}
