AXUIElement in Swift pert2

AXUIElement_in_Swift_pert2.swift

import Cocoa
 
extension NSWorkspace {
    class func frontmostApp() -> NSRunningApplication? {
        return self.sharedWorkspace().frontmostApplication
    }
    class func runningApp(bundleIdentifier:NSString) -> NSRunningApplication? {
        let runningApplications = NSWorkspace.sharedWorkspace().runningApplications
        return runningApplications.filter({$0.bundleIdentifier == bundleIdentifier}).first
    }
}

extension NSRunningApplication {
    func windows() -> [AXUIElement] {
        let windowList : UnsafeMutablePointer<AnyObject?> = UnsafeMutablePointer<AnyObject?>.alloc(1)
        let appRef = AXUIElementCreateApplication(self.processIdentifier).takeRetainedValue()
        AXUIElementCopyAttributeValue(appRef, "AXWindows", windowList)
        return windowList.memory as! [AXUIElement]
    }
}

class ApplicationDelegate: NSObject, NSApplicationDelegate {
    func applicationDidFinishLaunching(aNotification: NSNotification) {
        
        var windows : [AXUIElement]?
        
        // Get Active Applilcation
        if let app = NSWorkspace.frontmostApp() {
            windows = app.windows()
            NSLog("windows: \(windows)")
        }
        // Get Applilcation by bundleIdentifier
        if let app = NSWorkspace.runningApp("com.apple.finder") {
            windows = app.windows()
            NSLog("windows: \(windows)")
        }
        
        //
        
        NSRunningApplication.currentApplication().terminate()
    }
}
let applicationDelegate = ApplicationDelegate()
let application = NSApplication.sharedApplication()
application.setActivationPolicy(NSApplicationActivationPolicy.Accessory)
application.delegate = applicationDelegate
application.run()