/// <summary>
/// Subscribes to the messager for a certain message.
/// </summary>
/// <param name="messageName">The name of the message to subscribe for.</param>
/// <param name="callback">The callback that should be fired when the message is received.</param>
/// <returns></returns>
protected Messaging.MessagingTicket SubscribeToMessage(string messageName, Action <object, Action <object> > callback)
{
//Checks if the message name is valid.
if (string.IsNullOrWhiteSpace(messageName))
{
throw new ArgumentNullException("messageName");
}
//Check if this view model already has a subscription for this message.
if (ticketList.Any(x => x.Name == messageName))
{
throw new Exception("You are already subscribed to this message.");
}
//Lets the Messenger know we exist if we haven't already.
if (!Messenger.IsTarget((IMessagingTarget)this))
{
Messenger.AddTarget(this);
}
//Create the ticke (representing our subscription) with the message name/id and the callback.
var ticket = new Messaging.MessagingTicket(messageName, callback);
//Add the ticket/subscription to our own list.
ticketList.Add(ticket);
//Return the ticket/subscription.
return(ticket);
}
public AppShellView()
{
this.InitializeComponent();
coreApplicationView = CoreApplication.GetCurrentView();
//if (coreApplicationView != null)
// coreApplicationView.TitleBar.ExtendViewIntoTitleBar = true;
applicationView = ApplicationView.GetForCurrentView();
applicationView.TitleBar.BackgroundColor = Colors.Transparent;
applicationView.TitleBar.ButtonBackgroundColor = Colors.Transparent;
applicationView.TitleBar.InactiveBackgroundColor = Colors.Transparent;
uiSettings = new Windows.UI.ViewManagement.UISettings();
NavView.SetBinding(Microsoft.UI.Xaml.Controls.NavigationView.MenuItemsSourceProperty, NepApp.CreateBinding(NepApp.UI, nameof(NepApp.UI.NavigationItems)));
inlineNavigationService = WindowManager.GetNavigationManagerForCurrentView().RegisterFrameAsNavigationService(InlineFrame, FrameLevel.Two);
windowService = WindowManager.GetWindowServiceForCurrentView();
UpdateSelectedNavigationItems();
NepApp.UI.SetNavigationService(inlineNavigationService);
inlineNavigationService.Navigated += InlineNavigationService_Navigated;
NepApp.UI.SetOverlayParentAndSnackBarContainer(OverlayPanel, snackBarGrid);
App.RegisterUIDialogs();
nowPlayingOverlayCoordinator = new AppShellViewModelNowPlayingOverlayCoordinator(this);
NavView.SetBinding(Microsoft.UI.Xaml.Controls.NavigationView.HeaderProperty, NepApp.CreateBinding(NepApp.UI, nameof(NepApp.UI.ViewTitle)));
NowPlayingButton.SetBinding(Button.DataContextProperty, NepApp.CreateBinding(NepApp.SongManager, nameof(NepApp.SongManager.CurrentSong)));
NepApp.MediaPlayer.MediaEngagementChanged += MediaPlayer_MediaEngagementChanged;
NepApp.MediaPlayer.IsPlayingChanged += MediaPlayer_IsPlayingChanged;
NepApp.UI.Overlay.OverlayedDialogShown += Overlay_DialogShown;
NepApp.UI.Overlay.OverlayedDialogHidden += Overlay_DialogHidden;
Messenger.AddTarget(this);
DeviceInformation.SubplatformChanged += DeviceInformation_SubplatformChanged;
if (Windows.Foundation.Metadata.ApiInformation.IsTypePresent("Windows.UI.Xaml.Media.XamlCompositionBrushBase") &&
Windows.Foundation.Metadata.ApiInformation.IsTypePresent("Windows.UI.Xaml.Media.AcrylicBrush"))
{
//Add acrylic.
Windows.UI.Xaml.Media.AcrylicBrush myBrush = new Windows.UI.Xaml.Media.AcrylicBrush();
myBrush.BackgroundSource = Windows.UI.Xaml.Media.AcrylicBackgroundSource.HostBackdrop;
myBrush.TintColor = uiSettings.GetColorValue(UIColorType.AccentDark2);
myBrush.FallbackColor = uiSettings.GetColorValue(UIColorType.AccentDark2);
myBrush.Opacity = 0.6;
myBrush.TintOpacity = 0.5;
bottomAppBar.Background = myBrush;
}
else
{
bottomAppBar.Background = new SolidColorBrush(uiSettings.GetColorValue(UIColorType.Accent));
}
}
public XboxShellView()
{
this.InitializeComponent();
uiSettings = new Windows.UI.ViewManagement.UISettings();
///Set up navigation
inlineNavigationService = WindowManager.GetNavigationManagerForCurrentView().RegisterFrameAsNavigationService(InlineFrame, FrameLevel.Two);
NepApp.UI.SetNavigationService(inlineNavigationService);
inlineNavigationService.Navigated += InlineNavigationService_Navigated;
inlineNavigationService.PreBackRequested += InlineNavigationService_PreBackRequested;
PageTitleTextBlock.SetBinding(TextBlock.TextProperty, NepApp.CreateBinding(NepApp.UI, nameof(NepApp.UI.ViewTitle)));
nowPlayingOverlayCoordinator = new XboxShellViewModelNowPlayingOverlayCoordinator(this, inlineNavigationService);
///Set up dialogs
NepApp.UI.SetOverlayParentAndSnackBarContainer(OverlayPanel, snackBarGrid);
App.RegisterUIDialogs();
NepApp.UI.Overlay.OverlayedDialogShown += Overlay_DialogShown;
NepApp.UI.Overlay.OverlayedDialogHidden += Overlay_DialogHidden;
NepApp.UI.NoChromeStatusChanged += UI_NoChromeStatusChanged;
///Set up media metadata
NowPlayingTrackTextBlock.SetBinding(TextBlock.DataContextProperty, NepApp.CreateBinding(NepApp.SongManager, nameof(NepApp.SongManager.CurrentSong)));
NowPlayingArtistTextBlock.SetBinding(TextBlock.DataContextProperty, NepApp.CreateBinding(NepApp.SongManager, nameof(NepApp.SongManager.CurrentSong)));
NepApp.MediaPlayer.IsPlayingChanged += Media_IsPlayingChanged;
//handler to allow the metadata to animate onto the screen for the first time.
CurrentMediaMetadataPanel.SetBinding(Control.VisibilityProperty, NepApp.CreateBinding(NepApp.MediaPlayer, nameof(NepApp.MediaPlayer.IsMediaEngaged), binding =>
{
binding.Converter = new Crystal3.UI.Converters.BooleanToVisibilityConverter();
}));
///Set up messaging
Messenger.AddTarget(this);
SetInlineFrameMarginPaddingForOverflowScrolling();
if (Windows.Foundation.Metadata.ApiInformation.IsTypePresent("Windows.UI.Xaml.Media.XamlCompositionBrushBase"))
{
//Add acrylic.
Windows.UI.Xaml.Media.AcrylicBrush myBrush = new Windows.UI.Xaml.Media.AcrylicBrush();
myBrush.BackgroundSource = Windows.UI.Xaml.Media.AcrylicBackgroundSource.HostBackdrop;
myBrush.TintColor = uiSettings.GetColorValue(UIColorType.AccentDark2);
myBrush.FallbackColor = uiSettings.GetColorValue(UIColorType.AccentDark2);
myBrush.Opacity = 0.6;
myBrush.TintOpacity = 0.5;
HeaderGrid.Background = myBrush;
Windows.UI.Xaml.Media.AcrylicBrush myBrush2 = new Windows.UI.Xaml.Media.AcrylicBrush();
myBrush2.BackgroundSource = Windows.UI.Xaml.Media.AcrylicBackgroundSource.Backdrop;
myBrush2.TintColor = uiSettings.GetColorValue(UIColorType.AccentDark2);
myBrush2.FallbackColor = uiSettings.GetColorValue(UIColorType.AccentDark2);
myBrush2.Opacity = 0.6;
myBrush2.TintOpacity = 0.5;
TransportControlGrid.Background = myBrush;
TransportControlGrid.BorderBrush = myBrush;
}
else
{
HeaderGrid.Background = new SolidColorBrush(uiSettings.GetColorValue(UIColorType.Accent));
TransportControlGrid.Background = new SolidColorBrush(uiSettings.GetColorValue(UIColorType.Accent));
TransportControlGrid.BorderBrush = new SolidColorBrush(uiSettings.GetColorValue(UIColorType.Accent));
}
}