Make a separate DBus connections so that things doesnt mix up in one session and cause ObjectPath conflicts.

src/Avalonia.FreeDesktop/DBusHelper.cs

@@ -51,8 +51,11 @@ namespace Avalonia.FreeDesktop
 
         public static Connection TryInitialize(string dbusAddress = null)
         {
-            if (Connection != null)
-                return Connection;
+            return Connection ?? TryGetConnection(dbusAddress);
+        }
+        
+        public static Connection TryGetConnection(string dbusAddress = null)
+        { 
             var oldContext = SynchronizationContext.Current;
             try
             {

src/Avalonia.FreeDesktop/DBusMenuExporter.cs

@@ -25,12 +25,9 @@ namespace Avalonia.FreeDesktop
             return new DBusMenuExporterImpl(DBusHelper.Connection, xid);
         }
         
-        public static INativeMenuExporter TryCreateDetachedNativeMenu(ObjectPath path)
+        public static INativeMenuExporter TryCreateDetachedNativeMenu(ObjectPath path, Connection currentConection)
         {
-            if (DBusHelper.Connection == null)
-                return null;
-
-            return new DBusMenuExporterImpl(DBusHelper.Connection, path);
+            return new DBusMenuExporterImpl(currentConection, path);
         }
 
         public static ObjectPath GenerateDBusMenuObjPath => "/net/avaloniaui/dbusmenu/"

src/Avalonia.FreeDesktop/DBusSystemTray/DBusSysTray.cs

@@ -14,16 +14,22 @@ namespace Avalonia.FreeDesktop.DBusSystemTray
     public class DBusSysTray : IDisposable
     {
         private static int s_trayIconInstanceId = 0;
+        
         private IStatusNotifierWatcher _statusNotifierWatcher;
         private string _sysTrayServiceName;
         private StatusNotifierItemDbusObj _statusNotifierItemDbusObj;
- 
+
+        private Connection con;
+        
         private static int GetTID() => s_trayIconInstanceId++;
 
+        public DBusSysTray(Connection connection)
+        {
+            con = connection;
+        }
+        
         public async void Initialize(ObjectPath dbusmenuPath)
         {
-            var con = DBusHelper.Connection;
-
             _statusNotifierWatcher = con.CreateProxy<IStatusNotifierWatcher>("org.kde.StatusNotifierWatcher",
                 "/StatusNotifierWatcher");
 
@@ -88,7 +94,6 @@ namespace Avalonia.FreeDesktop.DBusSystemTray
 
         public StatusNotifierItemDbusObj(ObjectPath dbusmenuPath)
         {
-            var ID = Guid.NewGuid().ToString().Replace("-", "");
             ObjectPath = new ObjectPath($"/StatusNotifierItem");
             
             _backingProperties = new StatusNotifierItemProperties

src/Avalonia.X11/X11TrayIconImpl.cs

@@ -5,30 +5,33 @@ using Avalonia.Controls.Platform;
 using Avalonia.FreeDesktop;
 using Avalonia.FreeDesktop.DBusSystemTray;
 using Avalonia.Platform;
+using Tmds.DBus;
 
 namespace Avalonia.X11
 {
-   internal class X11TrayIconImpl : ITrayIconImpl
-   {
-        
-        private readonly DBusSysTray _dBusSysTray;
-        private X11IconData lastIcon;
-        
+    internal class X11TrayIconImpl : ITrayIconImpl
+    {
+        private DBusSysTray _dBusSysTray;
+        private readonly ObjectPath _dbusmenuPath;
+
         public INativeMenuExporter MenuExporter { get; }
         public Action OnClicked { get; set; }
 
-        
+
         public X11TrayIconImpl()
         {
-            _dBusSysTray = new DBusSysTray();
-            
+            var con = DBusHelper.TryGetConnection();
             
-            var dbusmenuPath = DBusMenuExporter.GenerateDBusMenuObjPath;
-            MenuExporter = DBusMenuExporter.TryCreateDetachedNativeMenu(dbusmenuPath);
+            _dbusmenuPath = DBusMenuExporter.GenerateDBusMenuObjPath;
+            MenuExporter = DBusMenuExporter.TryCreateDetachedNativeMenu(_dbusmenuPath, con);
 
-            
-            _dBusSysTray.Initialize(dbusmenuPath);
-            
+            _dBusSysTray = new DBusSysTray(con);
+            _dBusSysTray.Initialize(_dbusmenuPath);
+
+            _dBusSysTray.SetActivationDelegate(() =>
+            {
+                OnClicked?.Invoke();
+            });
         }
 
         public void Dispose()
@@ -39,9 +42,7 @@ namespace Avalonia.X11
         public void SetIcon(IWindowIconImpl icon)
         {
             if (!(icon is X11IconData x11icon)) return;
-
-            lastIcon = x11icon;
-
+            
             var w = (int)x11icon.Data[0];
             var h = (int)x11icon.Data[1];
 
@@ -61,22 +62,18 @@ namespace Avalonia.X11
             }
 
             _dBusSysTray.SetIcon(new DbusPixmap(w, h, pixByteArray));
-
-            _dBusSysTray.SetActivationDelegate(() =>
-            {
-                OnClicked?.Invoke();
-            });
         }
 
         public void SetIsVisible(bool visible)
         {
-            if (visible && lastIcon != null)
+            if (visible)
             {
-                SetIcon(lastIcon);
+                // _dBusSysTray = new DBusSysTray();
+                // _dBusSysTray.Initialize(_dbusmenuPath);
             }
             else
             {
-                _dBusSysTray.SetIcon(new DbusPixmap(1, 1, new byte[] { 0, 0, 0, 0 }));
+                // _dBusSysTray?.Dispose();
             }
         }