Extract workspace feedback service

RpgRoller/Components/Pages/Workspace.razor.cs

@@ -1077,41 +1077,17 @@ public partial class Workspace : IAsyncDisposable
         AdminUsers = [];
         HasLoadedAdminUsers = false;
         IsAdminDataLoading = false;
-        Toasts.Clear();
+        Feedback.ClearToasts();
     }
 
     private void SetStatus(string message, bool isError)
     {
-        AddToast(message, isError);
-        Announce(message);
+        Feedback.SetStatus(message, isError);
     }
 
     private void Announce(string message)
     {
-        LiveAnnouncement = message;
-    }
-
-    private void AddToast(string message, bool isError)
-    {
-        var toastId = Guid.NewGuid();
-        Toasts.Add(new WorkspaceToast(toastId, message, isError));
-        _ = DismissToastLaterAsync(toastId);
-    }
-
-    private async Task DismissToastLaterAsync(Guid toastId)
-    {
-        await Task.Delay(ToastDurationMs);
-
-        if (Toasts.RemoveAll(toast => toast.Id == toastId) == 0)
-            return;
-
-        try
-        {
-            await InvokeAsync(StateHasChanged);
-        }
-        catch (ObjectDisposedException)
-        {
-        }
+        Feedback.Announce(message);
     }
 
     private void ToggleScreenMenu()
@@ -1220,6 +1196,7 @@ public partial class Workspace : IAsyncDisposable
     private bool IsPlayScreen => State.IsPlayScreen;
     private bool IsManagementScreen => State.IsManagementScreen;
     private bool IsAdminScreen => State.IsAdminScreen;
+    private WorkspaceFeedbackService Feedback => m_Feedback ??= new(State, () => InvokeAsync(StateHasChanged));
     private IReadOnlyList<AppHeaderMenuItem> HeaderMenuItems
     {
         get
@@ -1250,5 +1227,6 @@ public partial class Workspace : IAsyncDisposable
     private const string MobilePanelSessionKey = "play-panel";
     private const string RollVisibilitySessionKey = "roll-visibility";
     private const int CampaignLogWindowSize = 25;
-    private const int ToastDurationMs = 3200;
+
+    private WorkspaceFeedbackService? m_Feedback;
 }