mirror of
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85 lines
2.2 KiB
Swift
85 lines
2.2 KiB
Swift
//
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// ImageViewController.swift
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// NetNewsWire-iOS
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//
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// Created by Maurice Parker on 10/12/19.
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// Copyright © 2019 Ranchero Software. All rights reserved.
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//
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import UIKit
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class ImageViewController: UIViewController {
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@IBOutlet weak var shareButton: UIButton!
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@IBOutlet weak var activityIndicatorView: UIActivityIndicatorView!
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@IBOutlet weak var imageScrollView: ImageScrollView!
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private var dataTask: URLSessionDataTask? = nil
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private var image: UIImage?
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var url: URL!
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override func viewDidLoad() {
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super.viewDidLoad()
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activityIndicatorView.isHidden = false
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activityIndicatorView.startAnimating()
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imageScrollView.setup()
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imageScrollView.imageScrollViewDelegate = self
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imageScrollView.imageContentMode = .aspectFit
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imageScrollView.initialOffset = .center
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dataTask = URLSession.shared.dataTask(with: url) { [weak self] data, response, error in
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guard let self = self else { return }
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if let data = data, let image = UIImage(data: data) {
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self.image = image
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DispatchQueue.main.async {
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self.shareButton.isEnabled = true
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self.activityIndicatorView.isHidden = true
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self.activityIndicatorView.stopAnimating()
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self.imageScrollView.display(image: image)
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}
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}
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}
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dataTask!.resume()
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}
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@IBAction func share(_ sender: Any) {
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guard let image = image else { return }
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let activityViewController = UIActivityViewController(activityItems: [url!, image], applicationActivities: nil)
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activityViewController.popoverPresentationController?.sourceView = shareButton
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activityViewController.popoverPresentationController?.sourceRect = shareButton.bounds
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present(activityViewController, animated: true)
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}
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@IBAction func done(_ sender: Any) {
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dataTask?.cancel()
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dismiss(animated: true)
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}
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}
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// MARK: ImageScrollViewDelegate
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extension ImageViewController: ImageScrollViewDelegate {
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func imageScrollViewDidChangeOrientation(imageScrollView: ImageScrollView) {
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}
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func imageScrollViewDidGestureSwipeUp(imageScrollView: ImageScrollView) {
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dismiss(animated: true)
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}
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func imageScrollViewDidGestureSwipeDown(imageScrollView: ImageScrollView) {
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dismiss(animated: true)
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}
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}
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