Continuity Camera Demo

AppDelegate.swift

import Cocoa

@main
class AppDelegate: NSObject, NSApplicationDelegate {
    func applicationDidFinishLaunching(_ aNotification: Notification) {
        // Insert code here to initialize your application
        let myWindow = NSWindow()
        let style: NSWindow.StyleMask = [.closable, .miniaturizable, .titled]
        myWindow.isOpaque = true
        myWindow.styleMask.insert(style)
        myWindow.backingType = .buffered
        myWindow.contentViewController = TestViewController()
        myWindow.setFrame(NSRect(x: 100, y: 100, width: 200, height: 400), display: false)

        let myWindowController = TestWindowController(window: myWindow)
//        myWindowController.contentViewController = TestViewController()
        myWindowController.window = myWindow
        myWindowController.window?.title = "MyWindow"
        myWindowController.window?.center()
        myWindowController.showWindow(self)
        myWindowController.window?.makeKeyAndOrderFront(self)
        myWindowController.window?.makeFirstResponder(myWindowController.window?.contentView)

        NSApp.activate(ignoringOtherApps: true)
    }

    func applicationWillTerminate(_ aNotification: Notification) {
        // Insert code here to tear down your application
    }
}

TestViewController.swift

import Cocoa

class TestViewController: NSViewController,NSServicesMenuRequestor {
    
    var continuityCameraMenu = NSMenu()
    
    lazy var preview:NSImageView = {
        let imageView = NSImageView(frame: NSRect(x: 10, y: 10, width: 100, height: 100))
        imageView.image?.size = CGSize(width: 50, height: 50)
        return imageView
    }()
    

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do view setup here.
        
        setUI()
    }
    
    override func loadView() {
        view = NSView()
    }
    
    func test()->NSMenu {
        print("2")
        return continuityCameraMenu
    }
    
    func setUI() {
        
        let button = NSButton(title: "load", target: self, action: #selector(click(_:)))
        button.frame = NSRect(x: 180, y: 100, width: 50, height: 20)
        view.addSubview(button)
        
        view.addSubview(preview)
        
        print("1")
        
//        continuityCameraMenu.identifier = NSUserInterfaceItemIdentifier("NSUserInterfaceItemIdentifier")
    }
    
    override func validRequestor(forSendType sendType: NSPasteboard.PasteboardType?, returnType: NSPasteboard.PasteboardType?) -> Any? {
        print("validRequestor")
        if let pasteboardType = returnType,
           NSImage.imageTypes.contains(pasteboardType.rawValue)
        {
            return self
        } else {
            return super.validRequestor(forSendType: sendType, returnType: returnType)
        }
    }

    func readSelection(from pasteboard: NSPasteboard) -> Bool {
        guard pasteboard.canReadItem(withDataConformingToTypes: NSImage.imageTypes) else { return false }
        guard let image = NSImage(pasteboard: pasteboard) else { return false }

        print("readSelection image: ", image)
        preview.image = image

        return true
    }
    
    @objc func click(_ sender:NSButton) {
        print("click")
        guard let event = NSApplication.shared.currentEvent else { return }

        // AppKit uses the Responder Chain to figure out where to insert the Continuity Camera menu items.
        // So making ourselves `firstResponder` here is important.
        self.view.window?.makeFirstResponder(self)
//        self.view.window.
        print("continuityCameraMenu: ", continuityCameraMenu)
        NSMenu.popUpContextMenu(continuityCameraMenu, with: event, for: sender)
        print("continuityCameraMenu: ", continuityCameraMenu)
    }
    
}

TestWindowController.swift

import Cocoa

class TestWindowController: NSWindowController {

    override func windowDidLoad() {
        super.windowDidLoad()
    
        // Implement this method to handle any initialization after your window controller's window has been loaded from its nib file.
        
        print("TestWindowController")
        
    }

}