Toasts: non-blocking notifications replace MessageBoxes + log-only failures (TASK 24)

2026-08-23 12:25:04 -07:00
parent 809c066184
commit b400ab59c5
12 changed files with 369 additions and 50 deletions
@@ -0,0 +1,34 @@
+namespace ytLive.Services;
+
+/// <summary>How urgent a user-facing notification is. Drives the toast's tint and lifetime.</summary>
+public enum AppNotificationSeverity
+{
+    Info,
+    Success,
+    Warning,
+    Error,
+}
+
+/// <summary>
+/// Non-blocking user-facing messages (toasts). VMs and services raise events through
+/// this seam so failures surface without MessageBox calls blocking the UI thread.
+/// </summary>
+public interface INotificationService
+{
+    void Show(string title, string message, AppNotificationSeverity severity);
+}
+
+public static class NotificationServiceExtensions
+{
+    public static void Info(this INotificationService service, string title, string message = "")
+        => service.Show(title, message, AppNotificationSeverity.Info);
+
+    public static void Success(this INotificationService service, string title, string message = "")
+        => service.Show(title, message, AppNotificationSeverity.Success);
+
+    public static void Warning(this INotificationService service, string title, string message = "")
+        => service.Show(title, message, AppNotificationSeverity.Warning);
+
+    public static void Error(this INotificationService service, string title, string message = "")
+        => service.Show(title, message, AppNotificationSeverity.Error);
+}