Update completed solution for chapter 8

2026-06-20 12:23:09 +00:00 · 2023-07-29 14:58:47 -04:00
parent 21e22a0369
commit 4c9e111e61
10 changed files with 387 additions and 7 deletions
@@ -0,0 +1,88 @@
+using Microsoft.Windows.AppNotifications;
+using System;
+using System.Collections.Generic;
+
+namespace MyMediaCollection.Helpers
+{
+    internal class NotificationManager
+    {
+        private bool isRegistered;
+        private Dictionary<int, Action<AppNotificationActivatedEventArgs>> notificationHandlers;
+
+        public NotificationManager()
+        {
+            isRegistered = false;
+
+            // When adding new a scenario, be sure to add its notification handler here.
+            notificationHandlers = new Dictionary<int, Action<AppNotificationActivatedEventArgs>>
+            {
+                { ToastWithAvatar.ScenarioId, ToastWithAvatar.NotificationReceived },
+                { ToastWithText.ScenarioId, ToastWithText.NotificationReceived }
+            };
+        }
+
+        ~NotificationManager()
+        {
+            Unregister();
+        }
+
+        public void Unregister()
+        {
+            if (isRegistered)
+            {
+                AppNotificationManager.Default.Unregister();
+                isRegistered = false;
+            }
+        }
+
+        public void Init()
+        {
+            AppNotificationManager notificationManager = AppNotificationManager.Default;
+
+            // Add handler before calling Register.
+            notificationManager.NotificationInvoked += OnNotificationInvoked;
+            notificationManager.Register();
+
+            isRegistered = true;
+        }
+
+        public void ProcessLaunchActivationArgs(AppNotificationActivatedEventArgs notificationActivatedEventArgs)
+        {
+            DispatchNotification(notificationActivatedEventArgs);
+            NotificationShared.AppLaunchedFromNotification();
+        }
+
+        private bool DispatchNotification(AppNotificationActivatedEventArgs notificationActivatedEventArgs)
+        {
+            var scenarioId = notificationActivatedEventArgs.Arguments[NotificationShared.scenarioTag];
+            if (scenarioId.Length != 0)
+            {
+                try
+                {
+                    notificationHandlers[int.Parse(scenarioId)](notificationActivatedEventArgs);
+                    return true;
+                }
+                catch
+                {
+                    // No matching NotificationHandler for scenarioId.
+                    return false;
+                }
+            }
+            else
+            {
+                // No scenarioId provided
+                return false;
+            }
+        }
+
+        public void OnNotificationInvoked(object sender, AppNotificationActivatedEventArgs notificationActivatedEventArgs)
+        {
+            NotificationShared.NotificationReceived();
+
+            if (!DispatchNotification(notificationActivatedEventArgs))
+            {
+                NotificationShared.UnrecognizedToastOriginator();
+            }
+        }
+    }
+}