Implemented Windows updating

src/Artemis.UI.Shared/Services/MainWindow/IMainWindowService.cs

@@ -1,4 +1,5 @@
 using System;
+using ReactiveUI;
 
 namespace Artemis.UI.Shared.Services.MainWindow;
 
@@ -12,6 +13,11 @@ public interface IMainWindowService : IArtemisSharedUIService
     /// </summary>
     bool IsMainWindowOpen { get; }
 
+    /// <summary>
+    ///     Gets or sets the host screen contained in the main window
+    /// </summary>
+    IScreen? HostScreen { get; set; }
+
     /// <summary>
     ///     Sets up the main window provider that controls the state of the main window
     /// </summary>

src/Artemis.UI.Shared/Services/MainWindow/MainWindowService.cs

@@ -1,4 +1,5 @@
 using System;
+using ReactiveUI;
 
 namespace Artemis.UI.Shared.Services.MainWindow;
 
@@ -6,6 +7,12 @@ internal class MainWindowService : IMainWindowService
 {
     private IMainWindowProvider? _mainWindowManager;
 
+    /// <inheritdoc />
+    public bool IsMainWindowOpen { get; private set; }
+
+    /// <inheritdoc />
+    public IScreen? HostScreen { get; set; }
+
     protected virtual void OnMainWindowOpened()
     {
         MainWindowOpened?.Invoke(this, EventArgs.Empty);
@@ -64,8 +71,6 @@ internal class MainWindowService : IMainWindowService
         OnMainWindowUnfocused();
     }
 
-    public bool IsMainWindowOpen { get; private set; }
-
     public void ConfigureMainWindowProvider(IMainWindowProvider mainWindowProvider)
     {
         if (mainWindowProvider == null) throw new ArgumentNullException(nameof(mainWindowProvider));