Reverse inheritance order of SkinnableSound's pause logic

osu.Game/Skinning/PausableSkinnableSound.cs

@@ -0,0 +1,66 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Game.Audio;
+using osu.Game.Screens.Play;
+
+namespace osu.Game.Skinning
+{
+    public class PausableSkinnableSound : SkinnableSound
+    {
+        protected bool RequestedPlaying { get; private set; }
+
+        public PausableSkinnableSound(ISampleInfo hitSamples)
+            : base(hitSamples)
+        {
+        }
+
+        public PausableSkinnableSound(IEnumerable<ISampleInfo> hitSamples)
+            : base(hitSamples)
+        {
+        }
+
+        private readonly IBindable<bool> samplePlaybackDisabled = new Bindable<bool>();
+
+        [BackgroundDependencyLoader(true)]
+        private void load(ISamplePlaybackDisabler samplePlaybackDisabler)
+        {
+            // if in a gameplay context, pause sample playback when gameplay is paused.
+            if (samplePlaybackDisabler != null)
+            {
+                samplePlaybackDisabled.BindTo(samplePlaybackDisabler.SamplePlaybackDisabled);
+                samplePlaybackDisabled.BindValueChanged(disabled =>
+                {
+                    if (RequestedPlaying)
+                    {
+                        if (disabled.NewValue)
+                            base.Stop();
+                        // it's not easy to know if a sample has finished playing (to end).
+                        // to keep things simple only resume playing looping samples.
+                        else if (Looping)
+                            base.Play();
+                    }
+                });
+            }
+        }
+
+        public override void Play()
+        {
+            RequestedPlaying = true;
+
+            if (samplePlaybackDisabled.Value)
+                return;
+
+            base.Play();
+        }
+
+        public override void Stop()
+        {
+            RequestedPlaying = false;
+            base.Stop();
+        }
+    }
+}