Add support for mac catalyst

README.md

@@ -33,9 +33,7 @@ https://github.com/danielsaidi/AppIconKit.git
 
 ## Support My Work
 
-By [becoming a sponsor][Sponsors], you directly support the development & improvement of my various [open-source projects][OpenSource]. 
-
-Every sponsor makes a real difference. Thank you for considering [supporting my work][Sponsors]!
+Maintaining my various [open-source tools][OpenSource] takes significant time and effort. You can [become a sponsor][Sponsors] to help me dedicate more time to creating, maintaining, and improving these projects. Every contribution, no matter the size, makes a real difference in keeping these tools free and actively developed. Thank you for considering!
 
 
 

Sources/AppIconKit/AlternateAppIconContext.swift

@@ -12,11 +12,12 @@ import SwiftUI
 /// This observable context class can be used to managed the
 /// alternate app icon for an iOS or macOS app.
 @MainActor
-public class AlternateAppIconContext: ObservableObject {
+open class AlternateAppIconContext: NSObject, ObservableObject {
 
     /// Create an alternate app icon context instance.
-    public init() {
-        #if os(macOS)
+    public override init() {
+        super.init()
+        #if os(macOS) || targetEnvironment(macCatalyst)
         guard let alternateAppIconName else { return }
         setAlternateAppIconName(alternateAppIconName)
         #endif
@@ -25,29 +26,36 @@ public class AlternateAppIconContext: ObservableObject {
     /// The currently set alternate app icon name.
     @AppStorage("com.danielsaidi.appiconkit.alternateappiconname")
     public private(set) var alternateAppIconName: String?
-}
-
-public extension AlternateAppIconContext {
 
     /// Reset the alternate app icon.
-    func resetAlternateAppIcon() {
+    open func resetAlternateAppIcon() {
         guard alternateAppIconName != nil else { return }
         setAlternateAppIconName(nil)
     }
 
     /// Set a certain alternate app icon.
-    func setAlternateAppIcon(
+    open func setAlternateAppIcon(
         _ icon: AlternateAppIcon
     ) {
         setAlternateAppIconName(icon.appIconName)
     }
 
     /// Set an alternate app icon with a certain name.
-    func setAlternateAppIconName(
+    open func setAlternateAppIconName(
         _ name: String?
     ) {
         alternateAppIconName = name
-        #if os(iOS) || os(tvOS)
+        #if targetEnvironment(macCatalyst)
+        if let nsApplication = NSClassFromString("NSApplication") as? NSObject.Type,
+           let shared = nsApplication.value(forKey: "sharedApplication") as? NSObject {
+            if let name, let imagePerform = Bundle.main.perform(NSSelectorFromString("imageForResource:"), with: name), let image = imagePerform.takeUnretainedValue() as? NSObject {
+                shared.setValue(image, forKey: "applicationIconImage")
+            } else {
+                alternateAppIconName = nil
+                shared.setValue(nil, forKey: "applicationIconImage")
+            }
+        }
+        #elseif os(iOS) || os(tvOS)
         UIApplication.shared.setAlternateIconName(name)
         #elseif os(macOS)
         if let name {

Sources/AppIconKit/AppIconKit.docc/AppIconKit.md

@@ -23,7 +23,7 @@ https://github.com/danielsaidi/AppIconKit.git
 
 ## Support My Work
 
-By [becoming a sponsor][Sponsors], you directly support the development & improvement of my various [open-source projects][OpenSource].
+Maintaining my various [open-source tools][OpenSource] takes significant time and effort. You can [become a sponsor][Sponsors] to help me dedicate more time to creating, maintaining, and improving these projects. Every contribution, no matter the size, makes a real difference in keeping these tools free and actively developed. Thank you for considering!