ViewController.swift

//
//  ViewController.swift
//  map-test
//
//  Created by Trevor Starick on 2019-06-18.
//  Copyright © 2019 Trevor Starick. All rights reserved.
//

import UIKit
import WebKit
import SafariServices

class ViewController: UIViewController, WKUIDelegate, WKNavigationDelegate {
    var webView: WKWebView!
    
    // uses SFSafariViewController to open a new Safari view to load the URL in
    func loadLink(_ link: URL) {
        let config = SFSafariViewController.Configuration()
        config.entersReaderIfAvailable = false
        
        let vc = SFSafariViewController(url: link, configuration: config)
        present(vc, animated: true)
    }
    
    func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
        
        // allows for all URLs to be loaded
        decisionHandler(.allow)
    }
    
    func webView(_ webView: WKWebView, createWebViewWith configuration: WKWebViewConfiguration, for navigationAction: WKNavigationAction, windowFeatures: WKWindowFeatures) -> WKWebView? {
        
        // as long as the navigationAction contains a URL, use loadLink() to load the URL
        if((navigationAction.request.url) != nil) {
            loadLink(navigationAction.request.url!);
        }
        
        return nil;
    }
    
    override func loadView() {
        let webConfiguration = WKWebViewConfiguration()
        webView = WKWebView(frame: .zero, configuration: webConfiguration)
        webView.uiDelegate = self
        
        // lets us use the two navigations controller functions above
        webView.navigationDelegate = self

        view = webView
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        let myURL = URL(string:"https://stay22.com/embed/sxsw")
        let myRequest = URLRequest(url: myURL!)
        webView.load(myRequest)
    }
}