mastodon-ios/Mastodon/Scene/Share/ContextMenu/ImagePreview/ContextMenuImagePreviewView...

56 lines
1.6 KiB
Swift

//
// ContextMenuImagePreviewViewController.swift
// Mastodon
//
// Created by MainasuK Cirno on 2021-4-30.
//
import func AVFoundation.AVMakeRect
import UIKit
import Combine
final class ContextMenuImagePreviewViewController: UIViewController {
var disposeBag = Set<AnyCancellable>()
var viewModel: ContextMenuImagePreviewViewModel!
let imageView: UIImageView = {
let imageView = UIImageView()
imageView.contentMode = .scaleAspectFill
imageView.layer.masksToBounds = true
return imageView
}()
}
extension ContextMenuImagePreviewViewController {
override func viewDidLoad() {
super.viewDidLoad()
imageView.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(imageView)
NSLayoutConstraint.activate([
imageView.topAnchor.constraint(equalTo: view.topAnchor),
imageView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
imageView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
imageView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
])
imageView.image = viewModel.thumbnail
let frame = AVMakeRect(aspectRatio: viewModel.aspectRatio, insideRect: view.bounds)
preferredContentSize = frame.size
imageView.af.setImage(
withURL: viewModel.assetURL,
placeholderImage: viewModel.thumbnail,
imageTransition: .crossDissolve(0.2),
runImageTransitionIfCached: false,
completion: nil
)
}
}