Move Widgets.Mediator to its own file

Author: dragunoff

OpenRA.Game/Widgets/Mediator.cs

@@ -0,0 +1,43 @@
+#region Copyright & License Information
+/*
+ * Copyright (c) The OpenRA Developers and Contributors
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using OpenRA.Primitives;
+
+namespace OpenRA.Widgets
+{
+	public sealed class Mediator
+	{
+		readonly TypeDictionary types = new();
+
+		public void Subscribe<T>(T instance)
+		{
+			types.Add(instance);
+		}
+
+		public void Unsubscribe<T>(T instance)
+		{
+			types.Remove(instance);
+		}
+
+		public void Send<T>(T notification)
+		{
+			var handlers = types.WithInterface<INotificationHandler<T>>();
+
+			foreach (var handler in handlers)
+				handler.Handle(notification);
+		}
+	}
+
+	public interface INotificationHandler<T>
+	{
+		void Handle(T notification);
+	}
+}

OpenRA.Game/Widgets/Widget.cs

@@ -441,32 +441,4 @@ public WidgetArgs(Dictionary<string, object> args)
 			: base(args) { }
 		public void Add(string key, Action val) { base.Add(key, val); }
 	}
-
-	public sealed class Mediator
-	{
-		readonly TypeDictionary types = new();
-
-		public void Subscribe<T>(T instance)
-		{
-			types.Add(instance);
-		}
-
-		public void Unsubscribe<T>(T instance)
-		{
-			types.Remove(instance);
-		}
-
-		public void Send<T>(T notification)
-		{
-			var handlers = types.WithInterface<INotificationHandler<T>>();
-
-			foreach (var handler in handlers)
-				handler.Handle(notification);
-		}
-	}
-
-	public interface INotificationHandler<T>
-	{
-		void Handle(T notification);
-	}
 }