☁️

Clocker/Overall App/DataStore.swift

@@ -18,12 +18,13 @@ enum ViewType {
     case dayInMenubar
     case menubarCompactMode
     case dstTransitionInfo
+    case sync
 }
 
 class DataStore: NSObject {
     private static var sharedStore = DataStore(with: UserDefaults.standard)
     private var userDefaults: UserDefaults!
-    private var ubiquitousStore: NSUbiquitousKeyValueStore!
+    private var ubiquitousStore: NSUbiquitousKeyValueStore?
 
     // Since these pref can accessed every second, let's cache this
     private var shouldDisplayDayInMenubar: Bool = false
@@ -41,9 +42,30 @@ class DataStore: NSObject {
     init(with defaults: UserDefaults) {
         super.init()
         userDefaults = defaults
-        ubiquitousStore = NSUbiquitousKeyValueStore.default
         shouldDisplayDayInMenubar = shouldDisplay(.dayInMenubar)
         shouldDisplayDateInMenubar = shouldDisplay(.dateInMenubar)
+        
+        if (shouldDisplay(.sync)) {
+            ubiquitousStore = NSUbiquitousKeyValueStore.default
+            NotificationCenter.default.addObserver(self,
+                                                   selector: #selector(ubiquitousKeyValueStoreChanged),
+                                                   name: NSUbiquitousKeyValueStore.didChangeExternallyNotification,
+                                                   object: NSUbiquitousKeyValueStore.default)
+            ubiquitousStore?.synchronize()
+        }
+    }
+    
+    @objc func ubiquitousKeyValueStoreChanged(_ notification: Notification) {
+        let userInfo = notification.userInfo ?? [:]
+        let ubiquitousStore = notification.object as? NSUbiquitousKeyValueStore
+        print("--- User Info is \(userInfo)")
+        let currentTimezones = userDefaults.object(forKey: CLDefaultPreferenceKey) as? [Data]
+        let cloudTimezones = ubiquitousStore?.object(forKey: CLDefaultPreferenceKey) as? [Data]
+        
+        if cloudTimezones != currentTimezones {
+            Logger.info("Syncing local timezones with data from the ☁️")
+            userDefaults.set(cloudTimezones, forKey: CLDefaultPreferenceKey)
+        }
     }
 
     func timezones() -> [Data] {
@@ -57,7 +79,7 @@ class DataStore: NSObject {
     func setTimezones(_ timezones: [Data]?) {
         userDefaults.set(timezones, forKey: CLDefaultPreferenceKey)
         // iCloud sync
-        ubiquitousStore.set(timezones, forKey: CLDefaultPreferenceKey)
+        ubiquitousStore?.set(timezones, forKey: CLDefaultPreferenceKey)
     }
 
     func menubarTimezones() -> [Data]? {
@@ -158,6 +180,8 @@ class DataStore: NSObject {
             }
 
             return value == 0
+        case .sync:
+            return shouldDisplayHelper(CLEnableSyncKey)
         }
     }
 

Clocker/Panel/ParentPanelController.swift

@@ -195,13 +195,16 @@ class ParentPanelController: NSWindowController {
                                                selector: #selector(systemTimezoneDidChange),
                                                name: NSNotification.Name.NSSystemTimeZoneDidChange,
                                                object: nil)
-        NotificationCenter.default.addObserver(forName: NSUbiquitousKeyValueStore.didChangeExternallyNotification,
-                                               object: self,
-                                               queue: OperationQueue.main)
-        { [weak self] _ in
-            if let sSelf = self {
-                sSelf.mainTableView.reloadData()
-                sSelf.setScrollViewConstraint()
+        
+        if (DataStore.shared().shouldDisplay(.sync)) {
+            NotificationCenter.default.addObserver(forName: NSUbiquitousKeyValueStore.didChangeExternallyNotification,
+                                                   object: self,
+                                                   queue: OperationQueue.main)
+            { [weak self] _ in
+                if let sSelf = self {
+                    sSelf.mainTableView.reloadData()
+                    sSelf.setScrollViewConstraint()
+                }
             }
         }
 

Clocker/Preferences/General/PreferencesViewController.swift

@@ -93,12 +93,14 @@ class PreferencesViewController: ParentViewController {
                                                name: NSNotification.Name.customLabelChanged,
                                                object: nil)
 
-        NotificationCenter.default.addObserver(forName: NSUbiquitousKeyValueStore.didChangeExternallyNotification,
-                                               object: self,
-                                               queue: OperationQueue.main)
-        { [weak self] _ in
-            if let sSelf = self {
-                sSelf.refreshTimezoneTableView()
+        if (DataStore.shared().shouldDisplay(.sync)) {
+            NotificationCenter.default.addObserver(forName: NSUbiquitousKeyValueStore.didChangeExternallyNotification,
+                                                   object: self,
+                                                   queue: OperationQueue.main)
+            { [weak self] _ in
+                if let sSelf = self {
+                    sSelf.refreshTimezoneTableView()
+                }
             }
         }