From 040fa3aa1573432a021a078ad0f978ac3c36ee33 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Wed, 25 Oct 2017 11:43:30 +0900
Subject: [PATCH] Fix import after direct download being scheduled to update
 thread

Caused a stall as experienced in #1364.
---
 osu.Game/Beatmaps/BeatmapManager.cs | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/osu.Game/Beatmaps/BeatmapManager.cs b/osu.Game/Beatmaps/BeatmapManager.cs
index f03531aba8..30d46fd966 100644
--- a/osu.Game/Beatmaps/BeatmapManager.cs
+++ b/osu.Game/Beatmaps/BeatmapManager.cs
@@ -246,9 +246,13 @@ namespace osu.Game.Beatmaps
             {
                 downloadNotification.State = ProgressNotificationState.Completed;
 
-                using (var stream = new MemoryStream(data))
-                using (var archive = new OszArchiveReader(stream))
-                    Import(archive);
+                Task.Factory.StartNew(() =>
+                {
+                    // This gets scheduled back to the update thread, but we want the import to run in the background.
+                    using (var stream = new MemoryStream(data))
+                    using (var archive = new OszArchiveReader(stream))
+                        Import(archive);
+                }, TaskCreationOptions.LongRunning);
 
                 currentDownloads.Remove(request);
             };