SteamController: Start controller with delay after Resume

SteamController/ContextThread.cs

@@ -12,24 +12,32 @@ namespace SteamController
 
         public int UpdatesPerSec { get; private set; }
 
-        public bool Start()
+        public bool Start(int? startDelayMs = null)
         {
             if (thread is not null)
                 return false;
 
+            UpdatesPerSec = 0;
             threadRunning = true;
             thread = new Thread(ThreadLoop);
-            thread.Start();
+            thread.Start(startDelayMs);
             return true;
         }
 
-        private void ThreadLoop(object? obj)
+        private void ThreadLoop(object? startDelayMs)
         {
+            if (startDelayMs is int)
+            {
+                ThreadSleep((int)startDelayMs);
+            }
+
             var stopwatch = new Stopwatch();
             stopwatch.Start();
             int updates = 0;
             var nextReset = stopwatch.Elapsed.Add(UpdateResetInterval);
 
+            X360.Start();
+
             while (threadRunning)
             {
                 if (nextReset < stopwatch.Elapsed)
@@ -45,10 +53,11 @@ namespace SteamController
 
                 if (!Enabled || !Steam.Updated)
                 {
-                    try { Thread.Sleep(100); }
-                    catch (ThreadInterruptedException) { }
+                    ThreadSleep(100);
                 }
             }
+
+            X360.Stop();
         }
 
         public void Stop()
@@ -62,5 +71,18 @@ namespace SteamController
                 thread = null;
             }
         }
+
+        private bool ThreadSleep(int delayMs)
+        {
+            try
+            {
+                Thread.Sleep(delayMs);
+                return true;
+            }
+            catch (ThreadInterruptedException)
+            {
+                return false;
+            }
+        }
     }
 }

SteamController/Controller.cs

@@ -1,5 +1,6 @@
 using CommonHelpers;
 using ExternalHelpers;
+using Microsoft.Win32;
 using System.ComponentModel;
 using System.Diagnostics;
 
@@ -10,6 +11,8 @@ namespace SteamController
         public const String Title = "Steam Controller";
         public static readonly String TitleWithVersion = Title + " v" + Application.ProductVersion.ToString();
 
+        public const int ControllerDelayAfterResumeMs = 1000;
+
         Container components = new Container();
         NotifyIcon notifyIcon;
         StartupManager startupManager = new StartupManager(Title);
@@ -147,6 +150,24 @@ namespace SteamController
             };
 
             context.Start();
+
+            Microsoft.Win32.SystemEvents.PowerModeChanged += SystemEvents_PowerModeChanged;
+        }
+
+        private void SystemEvents_PowerModeChanged(object sender, PowerModeChangedEventArgs e)
+        {
+            Log.TraceLine("SystemEvents_PowerModeChanged: {0}", e.Mode);
+
+            switch (e.Mode)
+            {
+                case PowerModes.Suspend:
+                    context.Stop();
+                    break;
+
+                case PowerModes.Resume:
+                    context.Start(ControllerDelayAfterResumeMs);
+                    break;
+            }
         }
 
         private void ContextStateUpdate_Tick(object? sender, EventArgs e)
@@ -201,6 +222,7 @@ namespace SteamController
 
         public void Dispose()
         {
+            Microsoft.Win32.SystemEvents.PowerModeChanged -= SystemEvents_PowerModeChanged;
             notifyIcon.Visible = false;
             context.Stop();
             using (context) { }

SteamController/Devices/Xbox360Controller.cs

@@ -28,6 +28,15 @@ namespace SteamController.Devices
             using (client) { }
         }
 
+        public void Start()
+        {
+        }
+
+        public void Stop()
+        {
+            lock (this) { Fail(); }
+        }
+
         internal bool Tick()
         {
             if (this.device is not null)