From d79c8b9695eddd906d1ecdc2f01af887b9dc6f39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20M=C3=BCller?= <thomas94@gmx.net>
Date: Sat, 11 Feb 2017 16:29:33 +0100
Subject: [PATCH] Update AudioDevicesOptions when devices are found or lost

This commit hooks up AudioDevicesOptions to the new events exposed by
the AudioManager of osu-framework. The device list is now updated when
new devices become available or are lost.
---
 .../Sections/Audio/AudioDevicesOptions.cs     | 30 +++++++++++++++----
 1 file changed, 25 insertions(+), 5 deletions(-)

diff --git a/osu.Game/Overlays/Options/Sections/Audio/AudioDevicesOptions.cs b/osu.Game/Overlays/Options/Sections/Audio/AudioDevicesOptions.cs
index 370676ead6..2301080411 100644
--- a/osu.Game/Overlays/Options/Sections/Audio/AudioDevicesOptions.cs
+++ b/osu.Game/Overlays/Options/Sections/Audio/AudioDevicesOptions.cs
@@ -14,6 +14,7 @@ namespace osu.Game.Overlays.Options.Sections.Audio
         protected override string Header => "Devices";
 
         private AudioManager audio;
+        private OptionDropDown<string> dropdown;
 
         [BackgroundDependencyLoader]
         private void load(AudioManager audio)
@@ -21,21 +22,40 @@ namespace osu.Game.Overlays.Options.Sections.Audio
             this.audio = audio;
         }
 
+        protected override void Dispose(bool isDisposing)
+        {
+            base.Dispose(isDisposing);
+
+            audio.OnNewDevice -= onDeviceChanged;
+            audio.OnLostDevice -= onDeviceChanged;
+        }
+
+        private void updateItems()
+        {
+            var deviceItems = new List<KeyValuePair<string, string>>();
+            deviceItems.Add(new KeyValuePair<string, string>("Default", string.Empty));
+            deviceItems.AddRange(audio.AudioDeviceNames.Select(d => new KeyValuePair<string, string>(d, d)));
+            dropdown.Items = deviceItems;
+        }
+
+        private void onDeviceChanged(string name) => updateItems();
+
         protected override void LoadComplete()
         {
             base.LoadComplete();
 
-            var deviceItems = new List<KeyValuePair<string, string>>();
-            deviceItems.Add(new KeyValuePair<string, string>("Default", string.Empty));
-            deviceItems.AddRange(audio.GetDeviceNames().Select(d => new KeyValuePair<string, string>(d, d)));
             Children = new Drawable[]
             {
-                new OptionDropDown<string>()
+                dropdown = new OptionDropDown<string>()
                 {
-                    Items = deviceItems,
                     Bindable = audio.AudioDevice
                 },
             };
+
+            updateItems();
+
+            audio.OnNewDevice += onDeviceChanged;
+            audio.OnLostDevice += onDeviceChanged;
         }
     }
 }
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