From 45ed86f46cdf413d1acaa189f0faea7a10b0ad44 Mon Sep 17 00:00:00 2001
From: Susko3 <Susko3@protonmail.com>
Date: Thu, 23 May 2024 12:53:33 +0200
Subject: [PATCH] Add back `SDL2BatteryInfo`

---
 osu.Desktop/OsuGameDesktop.cs  |  2 +-
 osu.Desktop/SDL2BatteryInfo.cs | 25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)
 create mode 100644 osu.Desktop/SDL2BatteryInfo.cs

diff --git a/osu.Desktop/OsuGameDesktop.cs b/osu.Desktop/OsuGameDesktop.cs
index b1e1a8f118..3e06dad4c5 100644
--- a/osu.Desktop/OsuGameDesktop.cs
+++ b/osu.Desktop/OsuGameDesktop.cs
@@ -160,7 +160,7 @@ namespace osu.Desktop
             host.Window.Title = Name;
         }
 
-        protected override BatteryInfo CreateBatteryInfo() => new SDL3BatteryInfo();
+        protected override BatteryInfo CreateBatteryInfo() => FrameworkEnvironment.UseSDL3 ? new SDL3BatteryInfo() : new SDL2BatteryInfo();
 
         protected override void Dispose(bool isDisposing)
         {
diff --git a/osu.Desktop/SDL2BatteryInfo.cs b/osu.Desktop/SDL2BatteryInfo.cs
new file mode 100644
index 0000000000..9ca2dc3a5c
--- /dev/null
+++ b/osu.Desktop/SDL2BatteryInfo.cs
@@ -0,0 +1,25 @@
+// 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 osu.Game.Utils;
+
+namespace osu.Desktop
+{
+    internal class SDL2BatteryInfo : BatteryInfo
+    {
+        public override double? ChargeLevel
+        {
+            get
+            {
+                SDL2.SDL.SDL_GetPowerInfo(out _, out int percentage);
+
+                if (percentage == -1)
+                    return null;
+
+                return percentage / 100.0;
+            }
+        }
+
+        public override bool OnBattery => SDL2.SDL.SDL_GetPowerInfo(out _, out _) == SDL2.SDL.SDL_PowerState.SDL_POWERSTATE_ON_BATTERY;
+    }
+}