project

2022-03-23 15:44:32 +00:00
commit 2ac0e3ed26
129 changed files with 4197 additions and 0 deletions
@@ -0,0 +1,31 @@
+using System.Reactive.Linq;
+
+namespace TheXamlGuy.TaskbarGroup.Core
+{
+    public record FileDropped();
+
+    public static class IObservableExtensions
+    {
+        public static IDisposable WeakSubscribe<TMessage>(this IObservable<TMessage> observable, IEventAggregatorInvoker invoker, Action<TMessage> actionDelegate)
+        {
+            var methodInfo = actionDelegate.Method;
+            var weakReference = new WeakReference(actionDelegate.Target);
+            IDisposable? subscription = null;
+
+            subscription = observable.Subscribe(item =>
+            {
+                if (weakReference.Target is object target)
+                {
+                    invoker.Invoke(target, item, methodInfo);
+                }
+                else
+                {
+                    subscription?.Dispose();
+                }
+            });
+
+            return subscription;
+        }
+
+    }
+}