Use Javascript to fetch to the image for the ImageViewController

iOS/Article/ImageViewController.swift

@@ -11,55 +11,29 @@ import UIKit
 class ImageViewController: UIViewController {
 
 	@IBOutlet weak var shareButton: UIButton!
-	@IBOutlet weak var activityIndicatorView: UIActivityIndicatorView!
 	@IBOutlet weak var imageScrollView: ImageScrollView!
 	
-	private var dataTask: URLSessionDataTask? = nil
-	private var image: UIImage?
-	var url: URL!
+	var image: UIImage!
 	
 	override func viewDidLoad() {
         super.viewDidLoad()
 		
-		activityIndicatorView.isHidden = false
-		activityIndicatorView.startAnimating()
-		
         imageScrollView.setup()
         imageScrollView.imageScrollViewDelegate = self
         imageScrollView.imageContentMode = .aspectFit
         imageScrollView.initialOffset = .center
-		
-		dataTask = URLSession.shared.dataTask(with: url) { [weak self] data, response, error in
-			guard let self = self else { return }
-			
-			if let data = data, let image = UIImage(data: data) {
-				
-				self.image = image
-				
-				DispatchQueue.main.async {
-					self.shareButton.isEnabled = true
-					self.activityIndicatorView.isHidden = true
-					self.activityIndicatorView.stopAnimating()
-					self.imageScrollView.display(image: image)
-				}
-				
-			}
-			
-		}
-		
-		dataTask!.resume()
+		imageScrollView.display(image: image)
     }
 
 	@IBAction func share(_ sender: Any) {
 		guard let image = image else { return }
-		let activityViewController = UIActivityViewController(activityItems: [url!, image], applicationActivities: nil)
+		let activityViewController = UIActivityViewController(activityItems: [image], applicationActivities: nil)
 		activityViewController.popoverPresentationController?.sourceView = shareButton
 		activityViewController.popoverPresentationController?.sourceRect = shareButton.bounds
 		present(activityViewController, animated: true)
 	}
 	
 	@IBAction func done(_ sender: Any) {
-		dataTask?.cancel()
 		dismiss(animated: true)
 	}