From 95dd2125ee91dbda04d527d1c34d236a9190c1f9 Mon Sep 17 00:00:00 2001
From: Roman Kapustin <TocoToucanMS@gmail.com>
Date: Wed, 9 May 2018 16:22:52 +0300
Subject: [PATCH] Load PlayButton.Preview asynchronously

---
 osu.Game/Overlays/Direct/PlayButton.cs | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/osu.Game/Overlays/Direct/PlayButton.cs b/osu.Game/Overlays/Direct/PlayButton.cs
index 082cf34d8e..77c904050b 100644
--- a/osu.Game/Overlays/Direct/PlayButton.cs
+++ b/osu.Game/Overlays/Direct/PlayButton.cs
@@ -1,6 +1,7 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using System.Threading.Tasks;
 using osu.Framework.Allocation;
 using osu.Framework.Audio.Track;
 using osu.Framework.Configuration;
@@ -126,9 +127,17 @@ namespace osu.Game.Overlays.Direct
             {
                 if (Preview == null)
                 {
-                    loading = true;
-                    Preview = previewTrackManager.Get(beatmapSet);
-                    loading = false;
+                    Task.Run(() =>
+                        {
+                            loading = true;
+                            return Preview = previewTrackManager.Get(beatmapSet);
+                        })
+                        .ContinueWith(t =>
+                        {
+                            playingStateChanged(true);
+                            loading = false;
+                        });
+                    return;
                 }
 
                 previewTrackManager.Play(Preview);