NSPasteboardNotification.swift

//
//  AppDelegate.swift
//  Pasty
//
//  Created by Federico Vitale on 22/05/2019.
//  Copyright © 2019 Federico Vitale. All rights reserved.
//

import Cocoa

@NSApplicationMain
class AppDelegate: NSObject, NSApplicationDelegate {
    var timer: Timer!
    let pasteboard: NSPasteboard = .general
    var lastChangeCount: Int = 0

    func applicationDidFinishLaunching(_ aNotification: Notification) {
        timer = Timer.scheduledTimer(withTimeInterval: 0.05, repeats: true) { (t) in
            if self.lastChangeCount != self.pasteboard.changeCount {
                self.lastChangeCount = self.pasteboard.changeCount
                NotificationCenter.default.post(name: .NSPasteboardDidChange, object: self.pasteboard)
            }
        }
    }

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


extension NSNotification.Name {
    public static let NSPasteboardDidChange: NSNotification.Name = .init(rawValue: "pasteboardDidChangeNotification")
}