WIP: RapidTravel, ModalService

src/GuiApp/Avalonia/FileTime.GuiApp/Services/ModalService.cs

@@ -0,0 +1,20 @@
+using DynamicData;
+using FileTime.App.Core.Services;
+using FileTime.App.Core.ViewModels;
+
+namespace FileTime.GuiApp.Services;
+
+public class ModalService : IModalService
+{
+    private readonly SourceList<IModalViewModelBase> _openModals = new();
+    public IObservable<IChangeSet<IModalViewModelBase>> OpenModals { get; }
+
+    public ModalService()
+    {
+        OpenModals = _openModals.Connect();
+    }
+    
+    public void OpenModal(IModalViewModelBase modalToOpen) => _openModals.Add(modalToOpen);
+
+    public void CloseModal(IModalViewModelBase modalToClose) => _openModals.Remove(modalToClose);
+}