- fix: memory leak part 1

Nebula.Launcher/Models/ContentLogConsumer.cs

@@ -1,3 +1,5 @@
+using System;
+using System.Collections.Generic;
 using Nebula.Launcher.ProcessHelper;
 using Nebula.Launcher.ViewModels.Popup;
 using Nebula.Shared.Services;
@@ -6,27 +8,53 @@ namespace Nebula.Launcher.Models;
 
 public sealed class ContentLogConsumer : IProcessLogConsumer
 {
-    private readonly LogPopupModelView _currLog;
-    private readonly PopupMessageService _popupMessageService;
+    private readonly List<string> _outMessages = [];
+    
+    private LogPopupModelView? _currentLogPopup;
+    
+    public int MaxMessages { get; set; } = 100;
 
-    public ContentLogConsumer(LogPopupModelView currLog, PopupMessageService popupMessageService)
+    public void Popup(PopupMessageService popupMessageService)
     {
-        _currLog = currLog;
-        _popupMessageService = popupMessageService;
+        if(_currentLogPopup is not null) 
+            return;
+        
+        _currentLogPopup = new LogPopupModelView(popupMessageService);
+        _currentLogPopup.OnDisposing += OnLogPopupDisposing;
+        
+        foreach (var message in _outMessages.ToArray())
+        {
+            _currentLogPopup.Append(message);
+        }
+        
+        popupMessageService.Popup(_currentLogPopup);
+    }
+
+    private void OnLogPopupDisposing(PopupViewModelBase obj)
+    {
+        if(_currentLogPopup == null) 
+            return;
+        
+        _currentLogPopup.OnDisposing -= OnLogPopupDisposing;
+        _currentLogPopup = null;
     }
 
     public void Out(string text)
     {
-        _currLog.Append(text);
+        _outMessages.Add(text);
+        if(_outMessages.Count >= MaxMessages)
+            _outMessages.RemoveAt(0);
+        
+        _currentLogPopup?.Append(text);
     }
 
     public void Error(string text)
     {
-        _currLog.Append(text);
+        Out(text);
     }
 
     public void Fatal(string text)
     {
-        _popupMessageService.Popup("Fatal error while stop instance:" + text);
+        throw new Exception("Error while running programm: " + text);
     }
 }