From 2424a8ac8db863bbcee55d384d6268ce00ed6016 Mon Sep 17 00:00:00 2001
From: chylex <contact@chylex.com>
Date: Tue, 18 Jul 2023 18:56:27 +0200
Subject: [PATCH] Fix UI freezing due to attachment download statistics being
 updated on the wrong thread

---
 app/Desktop/Main/Pages/AttachmentsPageModel.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app/Desktop/Main/Pages/AttachmentsPageModel.cs b/app/Desktop/Main/Pages/AttachmentsPageModel.cs
index f6073be..f2b7911 100644
--- a/app/Desktop/Main/Pages/AttachmentsPageModel.cs
+++ b/app/Desktop/Main/Pages/AttachmentsPageModel.cs
@@ -1,6 +1,8 @@
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
+using System.Threading;
+using Avalonia.Threading;
 using DHT.Desktop.Common;
 using DHT.Desktop.Main.Controls;
 using DHT.Server.Data;
@@ -134,9 +136,9 @@ sealed class AttachmentsPageModel : BaseModel, IDisposable {
 	}
 
 	private void DownloadThreadOnOnItemFinished(object? sender, DownloadItem e) {
-		++doneItemsCount;
+		Interlocked.Increment(ref doneItemsCount);
 
-		UpdateDownloadMessage();
+		Dispatcher.UIThread.Invoke(UpdateDownloadMessage);
 		downloadStatisticsComputer.Recompute();
 	}