feat: dark theme icon

Author: Ivo Bellin Salarin

Recap/Assets.xcassets/barIcon-dark.imageset/Contents.json

@@ -0,0 +1,25 @@
+{
+  "images" : [
+    {
+      "filename" : "Icon-dark.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "Icon-dark@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "Icon-dark@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
+
+

Recap/Assets.xcassets/barIcon-dark.imageset/Icon-dark.png

@@ -14,6 +14,39 @@
       "filename" : "Icon@3x.png",
       "idiom" : "universal",
       "scale" : "3x"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "Icon-dark.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "Icon-dark@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "Icon-dark@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
     }
   ],
   "info" : {

Recap/Assets.xcassets/barIcon-dark.imageset/Icon-dark@2x.png

@@ -9,9 +9,11 @@ protocol StatusBarDelegate: AnyObject {
 final class StatusBarManager: StatusBarManagerType {
     private var statusItem: NSStatusItem?
     weak var delegate: StatusBarDelegate?
+    private var themeObserver: NSObjectProtocol?
 
     init() {
         setupStatusItem()
+        setupThemeObserver()
     }
 
     var statusButton: NSStatusBarButton? {
@@ -22,13 +24,44 @@ final class StatusBarManager: StatusBarManagerType {
         statusItem = NSStatusBar.system.statusItem(withLength: NSStatusItem.variableLength)
 
         if let button = statusItem?.button {
-            button.image = NSImage(named: "barIcon")
+            updateIconForCurrentTheme()
             button.target = self
             button.action = #selector(handleButtonClick(_:))
             button.sendAction(on: [.leftMouseUp, .rightMouseUp])
         }
     }
 
+    private func setupThemeObserver() {
+        themeObserver = DistributedNotificationCenter.default.addObserver(
+            forName: NSNotification.Name("AppleInterfaceThemeChangedNotification"),
+            object: nil,
+            queue: .main
+        ) { [weak self] _ in
+            Task { @MainActor in
+                self?.updateIconForCurrentTheme()
+            }
+        }
+    }
+    
+    private func updateIconForCurrentTheme() {
+        guard let button = statusItem?.button else { return }
+        
+        // Check system-wide dark mode preference
+        let isDarkMode = UserDefaults.standard.string(forKey: "AppleInterfaceStyle") == "Dark"
+        
+        print("🎨 Theme detection: isDarkMode = \(isDarkMode)")
+        
+        if isDarkMode {
+            // Use dark mode icon
+            button.image = NSImage(named: "barIcon-dark")
+            print("🌙 Using dark mode icon")
+        } else {
+            // Use light mode icon
+            button.image = NSImage(named: "barIcon")
+            print("☀️ Using light mode icon")
+        }
+    }
+    
     @objc private func handleButtonClick(_ sender: NSStatusBarButton) {
         let event = NSApp.currentEvent
         if event?.type == .rightMouseUp {
@@ -60,6 +93,9 @@ final class StatusBarManager: StatusBarManagerType {
     }
 
     deinit {
+        if let observer = themeObserver {
+            DistributedNotificationCenter.default.removeObserver(observer)
+        }
         statusItem = nil
     }
 }