Fixed an issue where reading steam settings changes could cause a crash

HandheldCompanion/Platforms/Steam.cs

@@ -9,6 +9,7 @@
 using System.Linq;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
+using System.Timers;
 
 namespace HandheldCompanion.Platforms;
 
@@ -18,6 +19,7 @@ public class Steam : IPlatform
 
     private readonly RegistryWatcher SteamActiveUserWatcher = new(WatchedRegistry.CurrentUser, @"SOFTWARE\\Valve\\Steam\\ActiveProcess\\", "ActiveUser");
     private FileSystemWatcher SteamActiveUserFileWatcher = new();
+    private Timer debounceTimer;
 
     private readonly int SteamAppsId = 413080;
 
@@ -60,6 +62,11 @@ public Steam()
 
         // check drivers
         IsControllerDriverInstalled = HasXboxDriversInstalled();
+
+        // Initialize debounce timer
+        debounceTimer = new Timer(1000); // 1 second delay
+        debounceTimer.AutoReset = false; // Trigger only once per activation
+        debounceTimer.Elapsed += DebounceTimer_Elapsed;
     }
 
     public override bool Start()
@@ -91,13 +98,24 @@ private void ActiveUserWatcher_RegistryChanged(object? sender, RegistryChangedEv
             IncludeSubdirectories = true,
         };
 
-        SteamActiveUserFileWatcher.Changed += (sender, e) => ActiveFileWatch_Changed();
+        SteamActiveUserFileWatcher.Changed += FileWatcher_Changed;
         ActiveFileWatch_Changed();
     }
 
-    private async void ActiveFileWatch_Changed()
+    private void FileWatcher_Changed(object sender, FileSystemEventArgs e)
+    {
+        // Restart the debounce timer whenever a change is detected
+        debounceTimer.Stop();
+        debounceTimer.Start();
+    }
+
+    private void DebounceTimer_Elapsed(object? sender, ElapsedEventArgs e)
+    {
+        ActiveFileWatch_Changed();
+    }
+
+    private void ActiveFileWatch_Changed()
     {
-        await Task.Delay(1000).ConfigureAwait(false); // Avoid blocking the synchronization context
         int SteamInput = GetUseSteamControllerConfigValue();
         base.SettingsValueChaned("UseSteamControllerConfig", SteamInput);
     }
@@ -182,9 +200,12 @@ public override bool Stop(bool kill = false)
     {
         SteamActiveUserWatcher.StopWatching();
 
-        SteamActiveUserFileWatcher.Changed -= (sender, e) => ActiveFileWatch_Changed();
+        SteamActiveUserFileWatcher.Changed -= FileWatcher_Changed;
         SteamActiveUserFileWatcher.Dispose();
 
+        debounceTimer.Stop();
+        debounceTimer.Dispose();
+
         return base.Stop();
     }