private void App_OnStartup(object sender, StartupEventArgs e)
{
try
{
Log.Info("Boot strapping the services and UI.");
// We manually close this because automatic closure steals focus from the
// dynamic splash screen.
splashScreen.Close(TimeSpan.FromSeconds(0.5f));
//Apply theme
applyTheme();
//Define MainViewModel before services so I can setup a delegate to call into the MainViewModel
//This is to work around the fact that the MainViewModel is created after the services.
MainViewModel mainViewModel = null;
Action <KeyValue> fireKeySelectionEvent = kv =>
{
if (mainViewModel != null) //Access to modified closure is a good thing here, for once!
{
mainViewModel.FireKeySelectionEvent(kv);
}
};
CleanupAndPrepareCommuniKateInitialState();
ValidateDynamicKeyboardLocation();
// Handle plugins. Validate if directory exists and is accessible and pre-load all plugins, building a in-memory list of available ones.
ValidatePluginsLocation();
if (Settings.Default.EnablePlugins)
{
PluginEngine.LoadAvailablePlugins();
}
var presageInstallationProblem = PresageInstallationProblemsDetected();
//Create services
var errorNotifyingServices = new List <INotifyErrors>();
IAudioService audioService = new AudioService();
IDictionaryService dictionaryService = new DictionaryService(Settings.Default.SuggestionMethod);
IPublishService publishService = new PublishService();
ISuggestionStateService suggestionService = new SuggestionStateService();
ICalibrationService calibrationService = CreateCalibrationService();
ICapturingStateManager capturingStateManager = new CapturingStateManager(audioService);
ILastMouseActionStateManager lastMouseActionStateManager = new LastMouseActionStateManager();
IKeyStateService keyStateService = new KeyStateService(suggestionService, capturingStateManager, lastMouseActionStateManager, calibrationService, fireKeySelectionEvent);
IInputService inputService = CreateInputService(keyStateService, dictionaryService, audioService,
calibrationService, capturingStateManager, errorNotifyingServices);
IKeyboardOutputService keyboardOutputService = new KeyboardOutputService(keyStateService, suggestionService, publishService, dictionaryService, fireKeySelectionEvent);
IMouseOutputService mouseOutputService = new MouseOutputService(publishService);
errorNotifyingServices.Add(audioService);
errorNotifyingServices.Add(dictionaryService);
errorNotifyingServices.Add(publishService);
errorNotifyingServices.Add(inputService);
ReleaseKeysOnApplicationExit(keyStateService, publishService);
//Compose UI
var mainWindow = new MainWindow(audioService, dictionaryService, inputService, keyStateService);
IWindowManipulationService mainWindowManipulationService = CreateMainWindowManipulationService(mainWindow);
errorNotifyingServices.Add(mainWindowManipulationService);
mainWindow.WindowManipulationService = mainWindowManipulationService;
//Subscribing to the on closing events.
mainWindow.Closing += dictionaryService.OnAppClosing;
mainViewModel = new MainViewModel(
audioService, calibrationService, dictionaryService, keyStateService,
suggestionService, capturingStateManager, lastMouseActionStateManager,
inputService, keyboardOutputService, mouseOutputService, mainWindowManipulationService,
errorNotifyingServices);
mainWindow.SetMainViewModel(mainViewModel);
//Setup actions to take once main view is loaded (i.e. the view is ready, so hook up the services which kicks everything off)
Action postMainViewLoaded = () =>
{
mainViewModel.AttachErrorNotifyingServiceHandlers();
mainViewModel.AttachInputServiceEventHandlers();
};
mainWindow.AddOnMainViewLoadedAction(postMainViewLoaded);
//Show the main window
mainWindow.Show();
if (Settings.Default.LookToScrollShowOverlayWindow)
{
// Create the overlay window, but don't show it yet. It'll make itself visible when the conditions are right.
new LookToScrollOverlayWindow(mainViewModel);
}
//Display splash screen and check for updates (and display message) after the window has been sized and positioned for the 1st time
EventHandler sizeAndPositionInitialised = null;
sizeAndPositionInitialised = async(_, __) =>
{
mainWindowManipulationService.SizeAndPositionInitialised -= sizeAndPositionInitialised; //Ensure this handler only triggers once
await ShowSplashScreen(inputService, audioService, mainViewModel, OptiKey.Properties.Resources.OPTIKEY_SYMBOL_DESCRIPTION);
await mainViewModel.RaiseAnyPendingErrorToastNotifications();
await AttemptToStartMaryTTSService(inputService, audioService, mainViewModel);
await AlertIfPresageBitnessOrBootstrapOrVersionFailure(presageInstallationProblem, inputService, audioService, mainViewModel);
inputService.RequestResume(); //Start the input service
await CheckForUpdates(inputService, audioService, mainViewModel);
};
if (mainWindowManipulationService.SizeAndPositionIsInitialised)
{
sizeAndPositionInitialised(null, null);
}
else
{
mainWindowManipulationService.SizeAndPositionInitialised += sizeAndPositionInitialised;
}
Current.Exit += (o, args) =>
{
mainWindowManipulationService.PersistSizeAndPosition();
Settings.Default.Save();
};
}
catch (Exception ex)
{
Log.Error("Error starting up application", ex);
throw;
}
}