From b0733d9254fc5077c4cc7c958e9b6c1eb1386a35 Mon Sep 17 00:00:00 2001
From: IceStormNG <carstenbraun@live.de>
Date: Sun, 30 Jul 2023 10:46:10 +0200
Subject: [PATCH] Refresh the mouse only every 20s in background. When GHelper
 becomes visible, force refresh all devices.

---
 app/Peripherals/PeripheralsProvider.cs | 11 +++++++++++
 app/Settings.cs                        |  7 ++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/app/Peripherals/PeripheralsProvider.cs b/app/Peripherals/PeripheralsProvider.cs
index 23b91e16..73648207 100644
--- a/app/Peripherals/PeripheralsProvider.cs
+++ b/app/Peripherals/PeripheralsProvider.cs
@@ -12,6 +12,8 @@ namespace GHelper.Peripherals
 
         public static event EventHandler? DeviceChanged;
 
+        private static long lastRefresh;
+
         public static bool IsMouseConnected()
         {
             lock (_LOCK)
@@ -43,6 +45,15 @@ namespace GHelper.Peripherals
 
         public static void RefreshBatteryForAllDevices()
         {
+            RefreshBatteryForAllDevices(false);
+        }
+
+        public static void RefreshBatteryForAllDevices(bool force)
+        {
+            //Polling the battery every 20s should be enough
+            if (!force && Math.Abs(DateTimeOffset.Now.ToUnixTimeMilliseconds() - lastRefresh) < 20_000) return;
+            lastRefresh = DateTimeOffset.Now.ToUnixTimeMilliseconds();
+
             List<IPeripheral> l = AllPeripherals();
 
             foreach (IPeripheral m in l)
diff --git a/app/Settings.cs b/app/Settings.cs
index bf05341c..9248ee7a 100644
--- a/app/Settings.cs
+++ b/app/Settings.cs
@@ -236,11 +236,16 @@ namespace GHelper
             {
                 screenControl.InitScreen();
                 gpuControl.InitXGM();
-                Task.Run((Action)PeripheralsProvider.RefreshBatteryForAllDevices);
+                Task.Run((Action)RefreshPeripheralsBattery);
                 updateControl.CheckForUpdates();
             }
         }
 
+        private void RefreshPeripheralsBattery()
+        {
+            PeripheralsProvider.RefreshBatteryForAllDevices(true);
+        }
+
         private void ButtonUpdates_Click(object? sender, EventArgs e)
         {
             if (updates == null || updates.Text == "")