forked from zelo72/mastodon-ios
116 lines
5.6 KiB
Swift
116 lines
5.6 KiB
Swift
//
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// MediaPreviewImageViewController.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-4-28.
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//
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import os.log
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import UIKit
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import Combine
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protocol MediaPreviewImageViewControllerDelegate: class {
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func mediaPreviewImageViewController(_ viewController: MediaPreviewImageViewController, tapGestureRecognizerDidTrigger tapGestureRecognizer: UITapGestureRecognizer)
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func mediaPreviewImageViewController(_ viewController: MediaPreviewImageViewController, longPressGestureRecognizerDidTrigger longPressGestureRecognizer: UILongPressGestureRecognizer)
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}
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final class MediaPreviewImageViewController: UIViewController {
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var disposeBag = Set<AnyCancellable>()
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var viewModel: MediaPreviewImageViewModel!
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weak var delegate: MediaPreviewImageViewControllerDelegate?
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// let progressBarView = ProgressBarView()
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let previewImageView = MediaPreviewImageView()
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let tapGestureRecognizer = UITapGestureRecognizer.singleTapGestureRecognizer
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let longPressGestureRecognizer = UILongPressGestureRecognizer()
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deinit {
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os_log("%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
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previewImageView.imageView.af.cancelImageRequest()
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}
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}
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extension MediaPreviewImageViewController {
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override func viewDidLoad() {
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super.viewDidLoad()
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// progressBarView.tintColor = .white
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// progressBarView.translatesAutoresizingMaskIntoConstraints = false
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// view.addSubview(progressBarView)
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// NSLayoutConstraint.activate([
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// progressBarView.centerXAnchor.constraint(equalTo: view.centerXAnchor),
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// progressBarView.centerYAnchor.constraint(equalTo: view.centerYAnchor),
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// progressBarView.widthAnchor.constraint(equalToConstant: 120),
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// progressBarView.heightAnchor.constraint(equalToConstant: 44),
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// ])
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previewImageView.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(previewImageView)
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NSLayoutConstraint.activate([
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previewImageView.frameLayoutGuide.topAnchor.constraint(equalTo: view.topAnchor),
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previewImageView.frameLayoutGuide.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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previewImageView.frameLayoutGuide.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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previewImageView.frameLayoutGuide.bottomAnchor.constraint(equalTo: view.bottomAnchor),
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])
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tapGestureRecognizer.addTarget(self, action: #selector(MediaPreviewImageViewController.tapGestureRecognizerHandler(_:)))
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longPressGestureRecognizer.addTarget(self, action: #selector(MediaPreviewImageViewController.longPressGestureRecognizerHandler(_:)))
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tapGestureRecognizer.require(toFail: previewImageView.doubleTapGestureRecognizer)
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tapGestureRecognizer.require(toFail: longPressGestureRecognizer)
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previewImageView.addGestureRecognizer(tapGestureRecognizer)
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previewImageView.addGestureRecognizer(longPressGestureRecognizer)
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switch viewModel.item {
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case .status(let meta):
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// progressBarView.isHidden = meta.thumbnail != nil
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previewImageView.imageView.af.setImage(
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withURL: meta.url,
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placeholderImage: meta.thumbnail,
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filter: nil,
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progress: { [weak self] progress in
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guard let self = self else { return }
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// self.progressBarView.progress.value = CGFloat(progress.fractionCompleted)
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: load %s progress: %.2f", ((#file as NSString).lastPathComponent), #line, #function, meta.url.debugDescription, progress.fractionCompleted)
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},
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imageTransition: .crossDissolve(0.3),
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runImageTransitionIfCached: false,
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completion: { [weak self] response in
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guard let self = self else { return }
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switch response.result {
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case .success(let image):
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//self.progressBarView.isHidden = true
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self.previewImageView.imageView.image = image
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self.previewImageView.setup(image: image, container: self.previewImageView, forceUpdate: true)
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case .failure(let error):
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// TODO:
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break
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}
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}
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)
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: setImage url: %s", ((#file as NSString).lastPathComponent), #line, #function, meta.url.debugDescription)
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case .local(let meta):
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// progressBarView.isHidden = true
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previewImageView.imageView.image = meta.image
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self.previewImageView.setup(image: meta.image, container: self.previewImageView, forceUpdate: true)
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}
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}
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}
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extension MediaPreviewImageViewController {
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@objc private func tapGestureRecognizerHandler(_ sender: UITapGestureRecognizer) {
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
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delegate?.mediaPreviewImageViewController(self, tapGestureRecognizerDidTrigger: sender)
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}
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@objc private func longPressGestureRecognizerHandler(_ sender: UILongPressGestureRecognizer) {
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
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delegate?.mediaPreviewImageViewController(self, longPressGestureRecognizerDidTrigger: sender)
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}
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}
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