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 +1,66 @@
+using System.Windows;
+using System.Windows.Threading;
+using Notification.Core;
+using Notification.Wpf;
+using Notification.Wpf.Constants;
+using ytLive.Helpers;
+
+namespace ytLive.Services;
+
+/// <summary>
+/// Toast notifications rendered inside the main window's <c>ToastArea</c>
+/// (bottom-right, above the footer). Info/success auto-dismiss after ~4s,
+/// warnings ~8s, errors stay until dismissed. Calls from any thread are
+/// marshalled to the captured dispatcher.
+/// </summary>
+public sealed class NotificationService : INotificationService
+{
+    public const string AreaName = "ToastArea";
+
+    internal static readonly IReadOnlyDictionary<AppNotificationSeverity, (string BackgroundHex, double ExpirationSeconds)> Cards
+        = new Dictionary<AppNotificationSeverity, (string, double)>
+        {
+            [AppNotificationSeverity.Info] = ("#3a3b52", 4),
+            [AppNotificationSeverity.Success] = ("#1d5c38", 4),
+            [AppNotificationSeverity.Warning] = ("#b8860b", 8),
+            [AppNotificationSeverity.Error] = ("#8f1f1f", 0),
+        };
+
+    private readonly NotificationManager _manager = new();
+    private readonly Dispatcher _dispatcher;
+
+    public NotificationService()
+        : this(Application.Current?.Dispatcher)
+    {
+    }
+
+    internal NotificationService(Dispatcher? dispatcher)
+    {
+        _dispatcher = dispatcher ?? Dispatcher.CurrentDispatcher;
+        NotificationConstants.NotificationCornerRadius = new CornerRadius(8);
+        NotificationConstants.KeepNotificationVisibleOnMouseOver = true;
+    }
+
+    public void Show(string title, string message, AppNotificationSeverity severity)
+    {
+        var request = BuildRequest(title, message, severity);
+        _dispatcher.Invoke(() => _manager.Show(request));
+    }
+
+    internal static NotificationRequest BuildRequest(string title, string message, AppNotificationSeverity severity)
+    {
+        var (backgroundHex, expirationSeconds) = Cards[severity];
+        var builder = NotificationBuilder
+            .Create(title, message)
+            .InArea(AreaName)
+            .WithBackground(NotificationColor.FromHex(backgroundHex))
+            .WithForeground(NotificationColor.FromHex("#FFFFFF"));
+
+        if (severity == AppNotificationSeverity.Error)
+            builder.NeverExpires();
+        else
+            builder.ExpiresInSeconds(expirationSeconds);
+
+        return builder.Build();
+    }
+}