feat: Refresh on message count changed

Author: SolarianZ

Editor/MessageBanner.cs

@@ -37,6 +37,8 @@ public bool ShowMessageTypeCount
         public IList<Message> Messages { get; private set; }
         public int CurrentMessageIndex { get; private set; }
 
+        private int _messageCountCache;
+
 
         public MessageBanner(object source, string sourceName,
             bool showMessageTypeCount = true, bool allowClearMessages = false)
@@ -116,6 +118,14 @@ public MessageBanner(IList<Message> messages, object source, string sourceName,
             RegisterCallback<ContextClickEvent>(OnContextClick);
 
             InitializeMessageSwitch();
+
+            schedule.Execute(() =>
+            {
+                if ((Messages?.Count ?? 0) != _messageCountCache)
+                {
+                    Refresh();
+                }
+            }).Every(200);
         }
 
         private Image CreateMessageTypeImage(Texture defaultIcon)
@@ -160,8 +170,8 @@ public void Refresh()
             // ReSharper disable once PossibleNullReferenceException
             Message message = CurrentMessageIndex > -1 ? Messages[CurrentMessageIndex] : null;
             SetMessage(message);
-
             Messages.CountByType(out int infoCount, out int warningCount, out int errorCount);
+            _messageCountCache = Messages?.Count ?? 0;
             SetMessageCount(MessageType.Info, infoCount);
             SetMessageCount(MessageType.Warning, warningCount);
             SetMessageCount(MessageType.Error, errorCount);

Editor/MessageViewer.cs

@@ -325,7 +325,7 @@ private void CreateGUI()
 
         private void Update()
         {
-            if (Messages != null && Messages.Count != _messageCountCache)
+            if ((Messages?.Count ?? 0) != _messageCountCache)
             {
                 Refresh();
             }
@@ -416,7 +416,7 @@ public void Refresh()
             _tagList.Insert(0, TagAll);
 
             Messages.CountByType(out int infoCount, out int warningCount, out int errorCount);
-            _messageCountCache = infoCount + warningCount + errorCount;
+            _messageCountCache = Messages?.Count ?? 0;
             _infoMessageToggle.SetMessageCount(infoCount);
             _warningMessageToggle.SetMessageCount(warningCount);
             _errorMessageToggle.SetMessageCount(errorCount);