1 files changed, 58 insertions, 0 deletions
diff --git a/src/Ryujinx.Horizon/Sdk/Friends/Detail/Ipc/NotificationEventHandler.cs b/src/Ryujinx.Horizon/Sdk/Friends/Detail/Ipc/NotificationEventHandler.cs
new file mode 100644
index 00000000..61c692a6
--- /dev/null
+++ b/src/Ryujinx.Horizon/Sdk/Friends/Detail/Ipc/NotificationEventHandler.cs
@@ -0,0 +1,58 @@
+using Ryujinx.Horizon.Sdk.Account;
+
+namespace Ryujinx.Horizon.Sdk.Friends.Detail.Ipc
+{
+    sealed class NotificationEventHandler
+    {
+        private readonly NotificationService[] _registry;
+
+        public NotificationEventHandler()
+        {
+            _registry = new NotificationService[0x20];
+        }
+
+        public void RegisterNotificationService(NotificationService service)
+        {
+            // NOTE: When there's no enough space in the registry array, Nintendo doesn't return any errors.
+            for (int i = 0; i < _registry.Length; i++)
+            {
+                if (_registry[i] == null)
+                {
+                    _registry[i] = service;
+                    break;
+                }
+            }
+        }
+
+        public void UnregisterNotificationService(NotificationService service)
+        {
+            // NOTE: When there's no enough space in the registry array, Nintendo doesn't return any errors.
+            for (int i = 0; i < _registry.Length; i++)
+            {
+                if (_registry[i] == service)
+                {
+                    _registry[i] = null;
+                    break;
+                }
+            }
+        }
+
+        // TODO: Use this when we have enough things to go online.
+        public void SignalFriendListUpdate(Uid targetId)
+        {
+            for (int i = 0; i < _registry.Length; i++)
+            {
+                _registry[i]?.SignalFriendListUpdate(targetId);
+            }
+        }
+
+        // TODO: Use this when we have enough things to go online.
+        public void SignalNewFriendRequest(Uid targetId)
+        {
+            for (int i = 0; i < _registry.Length; i++)
+            {
+                _registry[i]?.SignalNewFriendRequest(targetId);
+            }
+        }
+    }
+}