Basic window handling.

Wino.Mail/App.xaml.cs

@@ -55,6 +55,8 @@ namespace Wino
         {
             base.OnWindowCreated(args);
 
+            _appShellService.AppWindow = args.Window;
+
             LogActivation("Window is created.");
 
             ConfigureTitleBar();

Wino.Mail/AppShell.xaml.cs

@@ -24,6 +24,7 @@ using Wino.MenuFlyouts.Context;
 using Wino.Views.Abstract;
 using Microsoft.UI.Xaml.Controls;
 
+
 #if NET8_0
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls.Primitives;
@@ -295,7 +296,7 @@ namespace Wino.Views
         /// </summary>
         public async void Receive(InfoBarMessageRequested message)
         {
-            await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
+            await ViewModel.ExecuteUIThread(() =>
             {
                 if (string.IsNullOrEmpty(message.ActionButtonTitle) || message.Action == null)
                 {

Wino.Mail/Controls/Advanced/WinoAppTitleBar.xaml.cs

@@ -1,4 +1,6 @@
 using Windows.Foundation;
+using Wino.Core.WinUI.Services;
+using Microsoft.Extensions.DependencyInjection;
 
 #if NET8_0
 using Microsoft.UI.Xaml;
@@ -11,6 +13,8 @@ namespace Wino.Controls.Advanced
 {
     public sealed partial class WinoAppTitleBar : UserControl
     {
+        private IAppShellService _appShellService = App.Current.Services.GetService<IAppShellService>();
+
         public event TypedEventHandler<WinoAppTitleBar, RoutedEventArgs> BackButtonClicked;
 
         public string CoreWindowText
@@ -152,11 +156,8 @@ namespace Wino.Controls.Advanced
         public WinoAppTitleBar()
         {
             InitializeComponent();
-#if NET8_0
-            App.MainWindow.SetTitleBar(dragbar);
-#else
-            Window.Current.SetTitleBar(dragbar);
-#endif
+
+            _appShellService.AppWindow.SetTitleBar(dragbar);
         }
 
         private void BackClicked(object sender, RoutedEventArgs e)

Wino.Mail/PartialApp.cs

@@ -18,6 +18,8 @@ using Wino.Core.UWP;
 using Wino.Mail.ViewModels;
 using Wino.Services;
 using Wino.Core.Services;
+using Wino.Core.WinUI.Services;
+
 
 #if NET8_0
 using Microsoft.UI.Xaml;
@@ -40,6 +42,7 @@ namespace Wino
         private readonly IAppInitializerService _appInitializerService;
         private readonly IWinoSynchronizerFactory _synchronizerFactory;
         private readonly ITranslationService _translationService;
+        private readonly IAppShellService _appShellService;
 
         public new static App Current => (App)Application.Current;
         public IServiceProvider Services { get; }

Wino.Mail/Services/WinoNavigationService.cs

@@ -11,9 +11,10 @@ using Wino.Mail.ViewModels.Messages;
 using Wino.Views;
 using Wino.Views.Account;
 using Wino.Views.Settings;
+using Wino.Core.WinUI.Services;
+
 
 #if NET8_0
-using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
 using Microsoft.UI.Xaml.Media.Animation;
 #else
@@ -27,6 +28,7 @@ namespace Wino.Services
     public class WinoNavigationService : IWinoNavigationService
     {
         private readonly IStatePersistanceService _statePersistanceService;
+        private readonly IAppShellService _appShellService;
 
         private WinoPage[] _renderingPageTypes = new WinoPage[]
         {
@@ -34,9 +36,10 @@ namespace Wino.Services
             WinoPage.ComposePage
         };
 
+
         private Frame GetCoreFrame(NavigationReferenceFrame frameType)
         {
-            if (Window.Current.Content is Frame appFrame && appFrame.Content is AppShell shellPage)
+            if (_appShellService.AppWindow.Content is Frame appFrame && appFrame.Content is AppShell shellPage)
                 return WinoVisualTreeHelper.GetChildObject<Frame>(shellPage, frameType.ToString());
 
             return null;
@@ -52,9 +55,10 @@ namespace Wino.Services
             }
         }
 
-        public WinoNavigationService(IStatePersistanceService statePersistanceService)
+        public WinoNavigationService(IStatePersistanceService statePersistanceService, IAppShellService appShellService)
         {
             _statePersistanceService = statePersistanceService;
+            _appShellService = appShellService;
         }
 
         private Type GetPageType(WinoPage winoPage)