/// <summary>
/// Constructs the RootViewModel with the specified parameters.
/// </summary>
/// <param name="activationMode">How the app was launched.</param>
/// <param name="openedFile">The file the app was opened to (or null).</param>
/// <param name="passwordGenViewModel">The ViewModel for the password generation flyout.</param>
/// <param name="helpViewModel">The ViewModel for the help flyout.</param>
/// <param name="appSettingsViewModel">The ViewModel for the settings flyout.</param>
/// <param name="clipboardViewModel">a ViewModel over a clipboard clear timer.</param>
/// <param name="taskNotificationService">A service used to control the UI for blocking operations.</param>
/// <param name="clipboardService">A service for accessing the clipboard.</param>
/// <param name="settingsService">A service for accessing app settings.</param>
/// <param name="idleTimer">A timer used for computing idle timer.</param>
public RootViewModel(
ActivationMode activationMode,
ITestableFile openedFile,
IPasswordGenViewModel passwordGenViewModel,
IHelpViewModel helpViewModel,
IAppSettingsViewModel appSettingsViewModel,
IClipboardClearTimerViewModel clipboardViewModel,
ITaskNotificationService taskNotificationService,
ISensitiveClipboardService clipboardService,
IAppSettingsService settingsService
)
{
ActivationMode = activationMode;
CandidateFile = openedFile;
PasswordGenViewModel = passwordGenViewModel ?? throw new ArgumentNullException(nameof(passwordGenViewModel));
HelpViewModel = helpViewModel ?? throw new ArgumentNullException(nameof(helpViewModel));
AppSettingsViewModel = appSettingsViewModel ?? throw new ArgumentNullException(nameof(appSettingsViewModel));
TaskNotificationService = taskNotificationService ?? throw new ArgumentNullException(nameof(taskNotificationService));
ClipboardClearViewModel = clipboardViewModel ?? throw new ArgumentNullException(nameof(clipboardViewModel));
this.clipboardService = clipboardService ?? throw new ArgumentNullException(nameof(clipboardService));
this.settingsService = settingsService;
}
public async Task Initialize()
{
this.settingsService = new AppSettingsService(new InMemorySettingsProvider())
{
EnableClipboardTimer = DefaultClearEnabled,
ClearClipboardOnTimer = DefaultClearTime
};
this.viewModel = new SettingsBasedClipboardClearViewModel(new ThreadPoolTimerFactory(), new MockSyncContext(), this.settingsService);
await this.viewModel.ActivateAsync();
}
public object Convert(object value, Type targetType, object parameter, string language)
{
IClipboardClearTimerViewModel viewModel = value as IClipboardClearTimerViewModel;
if (viewModel == null)
{
return(Visibility.Collapsed);
}
else
{
return(Visibility.Visible);
}
}
/// <summary>
/// Attempts to automatically clear the clipboard after a set time period.
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void ClipboardTimerComplete(object sender, ClipboardTimerCompleteEventArgs args)
{
IClipboardClearTimerViewModel vm = sender as IClipboardClearTimerViewModel;
DebugHelper.Assert(vm != null);
// First validate that we should still be clearing the clipboard.
// For example, a user may have disabled the option while the timer was in-progress.
if (args.TimerType == ClipboardOperationType.UserName && !vm.UserNameClearEnabled)
{
return;
}
else if (args.TimerType == ClipboardOperationType.Password && !vm.PasswordClearEnabled)
{
return;
}
// Attempt the clear...
if (!this.clipboardService.TryClear())
{
FireClipboardClearFailed();
}
}