/// <summary>
/// Initializes a new instance of the <see cref="UploadViewModel" /> class.
/// </summary>
/// <param name="navigationFacade">The navigation facade.</param>
/// <param name="photoService">The photo service.</param>
/// <param name="authEnforcementHandler">Authentication enforcement handler.</param>
/// <param name="uploadFinishedHandler">The handler that is called when the upload finished.</param>
/// <param name="dialogService">The dialog service.</param>
public UploadViewModel(INavigationFacade navigationFacade, IPhotoService photoService,
IAuthEnforcementHandler authEnforcementHandler, IUploadFinishedHandler uploadFinishedHandler,
IDialogService dialogService)
{
_navigationFacade = navigationFacade;
_photoService = photoService;
_authEnforcementHandler = authEnforcementHandler;
_uploadFinishedHandler = uploadFinishedHandler;
_dialogService = dialogService;
// Initialize commands
UploadCommand = new RelayCommand(OnUpload, () => !IsBusy);
ChooseCategoryCommand = new RelayCommand(OnChooseCategory, () => !IsBusy);
}
/// <summary>
/// Initializes a new instance of the <see cref="UploadViewModel" /> class.
/// </summary>
/// <param name="navigationFacade">The navigation facade.</param>
/// <param name="photoService">The photo service.</param>
/// <param name="authEnforcementHandler">Authentication enforcement handler.</param>
/// <param name="uploadFinishedHandler">The handler that is called when the upload finished.</param>
/// <param name="dialogService">The dialog service.</param>
public UploadViewModel(INavigationFacade navigationFacade, IPhotoService photoService,
IAuthEnforcementHandler authEnforcementHandler, IUploadFinishedHandler uploadFinishedHandler,
IDialogService dialogService)
{
_navigationFacade = navigationFacade;
_photoService = photoService;
_authEnforcementHandler = authEnforcementHandler;
_uploadFinishedHandler = uploadFinishedHandler;
_dialogService = dialogService;
// Initialize commands
UploadCommand = new RelayCommand(OnUpload, () => !IsBusy);
ChooseCategoryCommand = new RelayCommand(OnChooseCategory, () => !IsBusy);
}
/// <summary>
/// Invoked when the application is activated through sharing association.
/// </summary>
/// <param name="args">Event data for the event.</param>
protected override async void OnShareTargetActivated(ShareTargetActivatedEventArgs args)
{
IAppEnvironment mainAppEnvironment = null;
IUploadFinishedHandler mainUploadFinishedHandler = null;
if (UnityBootstrapper.Container != null)
{
// We need to save the app environment from the current app.
mainAppEnvironment = ServiceLocator.Current.GetInstance <IAppEnvironment>();
mainUploadFinishedHandler = ServiceLocator.Current.GetInstance <IUploadFinishedHandler>();
}
else
{
// We only configure unity if the main app is not already launched.
UnityBootstrapper.Init();
UnityBootstrapper.ConfigureRegistries();
}
// Overwrite existing app environment instance.
UnityBootstrapper.Container.RegisterInstance(typeof(IAppEnvironment), new AppEnvironment());
// Do initializations, trying restoring current user into the
// provided app environment.
await AppInitialization.DoInitializations();
// Overwrite existing upload finished handler to make sure, the app
// does not navigate to the categories page after successful upload,
// but closes the share target window instead.
var uploadFinishedHandler =
new ShareTargetUploadFinishedHandler(() =>
{
// Restore original app environment.
if (mainAppEnvironment != null)
{
UnityBootstrapper.Container.RegisterInstance(typeof(IAppEnvironment), mainAppEnvironment);
}
// Restore original upload finished handler.
if (mainUploadFinishedHandler != null)
{
var uploadFinishedHandlerType = mainUploadFinishedHandler.GetType();
UnityBootstrapper.Container.RegisterType(typeof(IUploadFinishedHandler),
uploadFinishedHandlerType);
}
args.ShareOperation.ReportCompleted();
});
UnityBootstrapper.Container.RegisterInstance(typeof(IUploadFinishedHandler), uploadFinishedHandler);
// Access data that has been shared.
var data = args.ShareOperation.Data;
if (data.Contains(StandardDataFormats.StorageItems))
{
try
{
var items = await data.GetStorageItemsAsync();
// We expect the shared data to be a StorageFile.
var file = items.FirstOrDefault() as StorageFile;
if (file != null)
{
GetOrCreateRootFrame();
var navigationFacade = ServiceLocator.Current.GetInstance <INavigationFacade>();
navigationFacade.NavigateToCropView(file);
Window.Current.Activate();
}
}
catch (Exception)
{
args.ShareOperation.ReportCompleted();
}
}
}
