Round-trip events

Ooui/Button.cs

@@ -17,8 +17,8 @@ namespace Ooui
         }
 
         public event EventHandler Clicked {
-            add => AddEventListener ("onclick", value);
-            remove => RemoveEventListener ("onclick", value);
+            add => AddEventListener ("click", value);
+            remove => RemoveEventListener ("click", value);
         }
 
         public Button ()

Ooui/Client.js

@@ -51,6 +51,21 @@ function msgCall (m) {
 }
 
 function msgListen (m) {
+    const node = getNode (m.id);
+    if (!node) {
+        console.error ("Unknown node id", m);
+        return;
+    }
+    node.addEventListener(m.k, function () {
+        const em = {
+            m: "event",
+            id: m.id,
+            k: m.k,
+        };
+        const ems = JSON.stringify (em);
+        socket.send (ems);
+        console.log ("EVENT", em);
+    });
 }
 
 function processMessage (m) {
@@ -92,13 +107,10 @@ function fixupValue (v) {
     return v;
 }
 
-// Connection opened
 socket.addEventListener('open', function (event) {
     console.log("WebSocket opened");
-    socket.send('Hello Server!');
 });
 
-// Listen for messages
 socket.addEventListener('message', function (event) {
     const message = JSON.parse (event.data);
     message.v = fixupValue (message.v);

Ooui/UI.cs

@@ -277,7 +277,15 @@ namespace Ooui
                             size += receiveResult.Count;
                         }
                         var receivedString = Encoding.UTF8.GetString (receiveBuffer, 0, size);
-                        Console.WriteLine ("RECEIVED: {0}", receivedString);
+
+                        try {
+                            Console.WriteLine ("RECEIVED: {0}", receivedString);
+                            var message = Newtonsoft.Json.JsonConvert.DeserializeObject<Message> (receivedString);
+                            element.Receive (message);
+                        }
+                        catch (Exception ex) {
+                            Error ("Failed to process received message", ex);
+                        }
 
                         // var outputBuffer = new ArraySegment<byte> (Encoding.UTF8.GetBytes ($"You said: {receivedString}"));
                         // await webSocket.SendAsync (outputBuffer, WebSocketMessageType.Text, true, token).ConfigureAwait (false);

Tests/ButtonTests.cs

@@ -38,7 +38,7 @@ namespace Tests
             };
             Assert.IsTrue (listened);
             Assert.IsFalse (clicked);
-            b.Receive (Message.Event (b.Id, "onclick"));
+            b.Receive (Message.Event (b.Id, "click"));
             Assert.IsTrue (clicked);
         }
     }