From 3c453f91ed70f7667da67bc2cb9057c68e69dce8 Mon Sep 17 00:00:00 2001
From: Louis Pontoise <lwouis@gmail.com>
Date: Fri, 3 Jul 2020 12:38:54 +0900
Subject: [PATCH] fix: improve perf by only refreshing shown thumbnails (closes
 #393)

---
 src/logic/Windows.swift | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/logic/Windows.swift b/src/logic/Windows.swift
index b692da3d..270b9ce0 100644
--- a/src/logic/Windows.swift
+++ b/src/logic/Windows.swift
@@ -84,9 +84,8 @@ class Windows {
     }
 
     static func refreshAllThumbnails() {
-        list.forEachAsync { window in
-            window.refreshThumbnail()
-        }
+        list.filter { $0.shouldShowTheUser }
+            .forEachAsync { window in window.refreshThumbnail() }
     }
 
     static func refreshWhichWindowsToShowTheUser(_ screen: NSScreen) {