/// <summary>
/// Raised when the user loads the page.
/// Register to the MVVM Light Messenger.
/// Load the menu items.
/// Register the background task to the system.
/// </summary>
/// <param name="e">Navigation event arguments</param>
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
// Register to the MVVM Light Messenger
Messenger.Default.Register <VisualGenericGroup>(this, GoToMasterPage);
Messenger.Default.Register <VisualGenericItem>(this, GoToDetailsPage);
Messenger.Default.Register <PinnableObject>(this, Pin);
Messenger.Default.Register <Uri>(this, GoToWebPage);
Messenger.Default.Register <object>(this, GoToAboutPage);
// Load items
if (e.NavigationMode == NavigationMode.New)
{
IMainViewModel viewModel = (IMainViewModel)DataContext;
if (App.IsInternetAvailable && viewModel.LoadMenuCommand.CanExecute(this))
{
viewModel.LoadMenuCommand.Execute(this);
}
// Register the background tast to the system
RegisterBackgroundTasksHelper helper = new RegisterBackgroundTasksHelper();
await helper.RegisterAsync();
// Update the application tile
ApplicationTileManager manager = new ApplicationTileManager();
await manager.CreateAsync();
}
}
/// <summary>
/// Raised when the page is loaded
/// </summary>
/// <param name="e">Navigation event arguments</param>
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (_selectedPanoramaGroup != null)
{
int index = Panorama.Items.Cast <VisualGenericGroup>().TakeWhile(item => item != _selectedPanoramaGroup).Count();
Panorama.DefaultItem = Panorama.Items[index];
}
if (e.NavigationMode == NavigationMode.New)
{
IMainViewModel viewModel = (IMainViewModel)DataContext;
if (viewModel.LoadMenuCommand.CanExecute(this))
{
viewModel.LoadMenuCommand.Execute(this);
}
BackgroundTaskRegistrationHelper taskRegistration = new BackgroundTaskRegistrationHelper();
taskRegistration.Register();
ApplicationTileManager tileManager = new ApplicationTileManager();
await tileManager.UpdateAsync();
}
}
/// <summary>
/// Create the application tile
/// </summary>
/// <param name="task">Informations about the periodic task</param>
protected override async void OnInvoke(ScheduledTask task)
{
try
{
// Update application tile
ApplicationTileManager appTileManager = new ApplicationTileManager();
await appTileManager.UpdateAsync();
// Display toast notification if a new element has been published
ToastManager manager = new NewsToastManager();
await manager.CheckAndToastAsync();
manager = new ConferenceToastManager();
await manager.CheckAndToastAsync();
manager = new ShowToastManager();
await manager.CheckAndToastAsync();
}
finally
{
NotifyComplete();
}
}