From 19afe159375ce40d232555e263905f7d97da01b5 Mon Sep 17 00:00:00 2001
From: Travis Nickles <nickles.travis@gmail.com>
Date: Thu, 22 Jun 2017 22:14:58 -0700
Subject: [PATCH] Make lastActive field matter for USB connections again.
 Related to issue #45.

---
 DS4Windows/DS4Library/DS4Device.cs | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/DS4Windows/DS4Library/DS4Device.cs b/DS4Windows/DS4Library/DS4Device.cs
index 820a520..87dc9d7 100644
--- a/DS4Windows/DS4Library/DS4Device.cs
+++ b/DS4Windows/DS4Library/DS4Device.cs
@@ -876,26 +876,32 @@ namespace DS4Windows
                     }
                 }
 
-                bool ds4Idle = cState.FrameCounter == pState.FrameCounter;
-                if (!ds4Idle)
+                bool ds4ActiveFrame = cState.FrameCounter == pState.FrameCounter;
+                if (!ds4ActiveFrame)
                 {
                     isRemoved = false;
                 }
 
                 if (conType == ConnectionType.USB)
                 {
-                    lastActive = utcNow;
+                    if (idleTimeout == 0)
+                    {
+                        lastActive = utcNow;
+                    }
+                    else if (!isDS4Idle())
+                    {
+                        lastActive = utcNow;
+                    }
                 }
                 else
                 {
                     bool shouldDisconnect = false;
-                    int idleTime = idleTimeout;
-                    if (!isRemoved && idleTime > 0)
+                    if (!isRemoved && idleTimeout > 0)
                     {
                         bool idleInput = isDS4Idle();
                         if (idleInput)
                         {
-                            DateTime timeout = lastActive + TimeSpan.FromSeconds(idleTime);
+                            DateTime timeout = lastActive + TimeSpan.FromSeconds(idleTimeout);
                             if (!charging)
                                 shouldDisconnect = utcNow >= timeout;
                         }