Обычно способ проверки - через SFSafariExtensionState
и SFSafariExtensionManager
- если он включен, то он установлен.
Пример
let extensionIdentifier = "com.acme.MyAppExtension"
@IBOutlet weak var label: NSTextField!
@IBOutlet weak var statusImage: NSImageView!
func checkAppExtension() {
SFSafariExtensionManager.getStateOfSafariExtension(withIdentifier: extensionIdentifier) { (state, error) in
DispatchQueue.main.async {
if (state?.isEnabled ?? false) {
self.label.stringValue = "MyApp Extension for Safari is enabled"
self.statusImage.image = NSImage(named: "enabled")
} else {
self.label.stringValue = "MyApp Extension for Safari is currently disabled"
self.statusImage.image = NSImage(named: "disabled")
}
}
}
}