From e9c69f646172eb31fc202e51f5de361d1cc4a933 Mon Sep 17 00:00:00 2001
From: Serg <redetection@gmail.com>
Date: Sat, 12 May 2018 11:11:53 +0700
Subject: [PATCH] experimental: run applescript on separate serial queue

---
 MTMR/AppleScriptTouchBarItem.swift | 11 +++++++++--
 MTMR/TouchBarController.swift      | 10 ++++++----
 2 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/MTMR/AppleScriptTouchBarItem.swift b/MTMR/AppleScriptTouchBarItem.swift
index 9659a9b..8b23a6a 100644
--- a/MTMR/AppleScriptTouchBarItem.swift
+++ b/MTMR/AppleScriptTouchBarItem.swift
@@ -15,7 +15,7 @@ class AppleScriptTouchBarItem: CustomButtonTouchBarItem {
         }
         self.script = script
         button.bezelColor = .clear
-        DispatchQueue.main.async {
+        DispatchQueue.appleScriptQueue.async {
             var error: NSDictionary?
             guard script.compileAndReturnError(&error) else {
                 #if DEBUG
@@ -42,8 +42,11 @@ class AppleScriptTouchBarItem: CustomButtonTouchBarItem {
         DispatchQueue.main.async {
             self.title = scriptResult
             self.forceHideConstraint.isActive = scriptResult == ""
+            #if DEBUG
+            print("did set new script result title \(scriptResult)")
+            #endif
         }
-        DispatchQueue.main.asyncAfter(deadline: .now() + self.interval) { [weak self] in
+        DispatchQueue.appleScriptQueue.asyncAfter(deadline: .now() + self.interval) { [weak self] in
             self?.refreshAndSchedule()
         }
     }
@@ -66,3 +69,7 @@ extension SourceProtocol {
         return NSAppleScript(source: source)
     }
 }
+
+extension DispatchQueue {
+    static let appleScriptQueue = DispatchQueue(label: "mtmr.applescript")
+}
diff --git a/MTMR/TouchBarController.swift b/MTMR/TouchBarController.swift
index a396add..fb6ec07 100644
--- a/MTMR/TouchBarController.swift
+++ b/MTMR/TouchBarController.swift
@@ -262,10 +262,12 @@ class TouchBarController: NSObject, NSTouchBarDelegate {
                 return {}
             }
             return {
-                var error: NSDictionary?
-                appleScript.executeAndReturnError(&error)
-                if let error = error {
-                    print("error \(error) when handling \(item) ")
+                DispatchQueue.appleScriptQueue.async {
+                    var error: NSDictionary?
+                    appleScript.executeAndReturnError(&error)
+                    if let error = error {
+                        print("error \(error) when handling \(item) ")
+                    }
                 }
             }
         case .shellScript(executable: let executable, parameters: let parameters):