From 9b5a87876385a1d0f126062b3764c867e43fdaca Mon Sep 17 00:00:00 2001
From: Jakub Kiermasz <kiermasz.k@gmail.com>
Date: Sun, 11 Aug 2024 10:14:02 +0200
Subject: [PATCH] Extract to private method

---
 Sources/Pow/Infrastructure/Haptics.swift | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Sources/Pow/Infrastructure/Haptics.swift b/Sources/Pow/Infrastructure/Haptics.swift
index dc74313..22acefb 100644
--- a/Sources/Pow/Infrastructure/Haptics.swift
+++ b/Sources/Pow/Infrastructure/Haptics.swift
@@ -6,14 +6,20 @@ import CoreHaptics
 internal struct Haptics {
     private static var engine: CHHapticEngine? = {
         let engine = try? CHHapticEngine()
+        addHapticEngineObservers()
+        return engine
+    }()
+  
+    private static func addHapticEngineObservers() {
+        // Without stopping the CHHapticEngine when entering background mode, haptics are not played when the app enters the foreground.
+        // See https://github.com/EmergeTools/Pow/issues/69
         NotificationCenter.default.addObserver(forName: UIApplication.didEnterBackgroundNotification, object: nil, queue: nil) { _ in
             engine?.stop()
         }
         NotificationCenter.default.addObserver(forName: UIApplication.willEnterForegroundNotification, object: nil, queue: nil) { _ in
             try? engine?.start()
         }
-        return engine
-    }()
+    }
 
     private static var supportsHaptics = CHHapticEngine.capabilitiesForHardware().supportsHaptics