public MainViewModel(
WelcomeViewModel welcomeViewModel,
ConnectingViewModel connectingViewModel,
ContactsViewModel contactsViewModel,
SettingsViewModel settingsViewModel,
CoreDispatcher uiDispatcher) : base(uiDispatcher)
{
if (welcomeViewModel == null || connectingViewModel == null ||
contactsViewModel == null || settingsViewModel == null ||
uiDispatcher == null)
{
throw new ArgumentNullException();
}
WelcomeViewModel = welcomeViewModel;
ConnectingViewModel = connectingViewModel;
ContactsViewModel = contactsViewModel;
SettingsViewModel = settingsViewModel;
WelcomeViewModel.OnCompleted += WelcomeCompleted;
ConnectingViewModel.OnRegistered += ConnectingViewModel_OnRegistered;
ConnectingViewModel.OnRegistrationFailed += ConnectingViewModel_OnRegistrationFailed;
ShowSettingsCommand = new DelegateCommand(() => IsSettingsVisible = true);
WelcomeViewModel.OnShowSettings += () => IsSettingsVisible = true;
ContactsViewModel.OnShowSettings += () => IsSettingsVisible = true;
ConnectingViewModel.OnShowSettings += () => IsSettingsVisible = true;
SettingsViewModel.OnClose += SettingsViewModelOnClose;
SettingsViewModel.OnRegistrationSettingsChanged += RegistrationSettingChanged;
}
private async void WelcomeCompleted()
{
ApplicationView.GetForCurrentView().Title = WelcomeViewModel.Name;
await ConnectingViewModel.EstablishConnection();
}
private async void RegistrationSettingChanged()
{
IsActive = false;
await ConnectingViewModel.SwitchSignalingServer();
}
