//
//  ViewController.swift
//  MySimpleApp
//

import UIKit

class ViewController: UIViewController {

    @IBOutlet weak var showPopupBtn: UIButton!

    override func viewDidLoad() {
        super.viewDidLoad()

    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }


    @IBAction func showPopupTapped(_ sender: Any) {
        let popup = WebViewAsPopup()
        popup.showWebViewPopup(on: self)
    }

}

//
//  WebViewAsPopup.swift
//  MySimpleApp
//

import WebKit

class WebViewAsPopup: NSObject, UIWebViewDelegate {

    func showWebViewPopup(on controller: UIViewController) {
        // Popup background
        let bg = UIView()
        bg.frame = CGRect(x: 0, y: 0, width: UIScreen.main.bounds.width, height: UIScreen.main.bounds.height)
        bg.layer.backgroundColor = UIColor.black.withAlphaComponent(0.5).cgColor

        // Webview sizing
        let width = UIScreen.main.bounds.width - 60
        let height = UIScreen.main.bounds.height - 200
        let x = UIScreen.main.bounds.width/2 - width/2
        let y = UIScreen.main.bounds.height/2 - height/2

        // Webview stuff
        let webView = UIWebView()
        webView.frame = CGRect(x: x, y: y, width: width, height: height)
        let url = URL(string: "https://google.com")
        let request = URLRequest(url: url!)
        // webView.delegate = self << it crash here
        webView.loadRequest(request)

        // Styling webview popup
        webView.layer.borderWidth = 1
        webView.layer.borderColor = UIColor.black.cgColor
        webView.layer.masksToBounds = true
        webView.layer.cornerRadius = 10

        // Add bg then webview to main view controller
        controller.view.addSubview(bg)
        controller.view.addSubview(webView)
    }

    func webViewDidStartLoad(_ webView: UIWebView)
    {
        print("#webViewDidStartLoad!") // << it doesn't fire :(
    }
    func webViewDidFinishLoad(_ webView: UIWebView)
    {
        print("#webViewDidFinishLoad!") // << it doesn't fire :(
    }

}