135 lines
4.7 KiB
Swift
135 lines
4.7 KiB
Swift
//
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// MediaPreviewViewController.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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import Pageboy
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final class MediaPreviewViewController: UIViewController, NeedsDependency {
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weak var context: AppContext! { willSet { precondition(!isViewLoaded) } }
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weak var coordinator: SceneCoordinator! { willSet { precondition(!isViewLoaded) } }
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var disposeBag = Set<AnyCancellable>()
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var viewModel: MediaPreviewViewModel!
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let visualEffectView = UIVisualEffectView(effect: UIBlurEffect(style: .systemMaterial))
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let pagingViewConttroller = MediaPreviewPagingViewController()
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deinit {
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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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}
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}
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extension MediaPreviewViewController {
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override func viewDidLoad() {
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super.viewDidLoad()
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overrideUserInterfaceStyle = .dark
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visualEffectView.frame = view.bounds
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view.addSubview(visualEffectView)
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pagingViewConttroller.view.translatesAutoresizingMaskIntoConstraints = false
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addChild(pagingViewConttroller)
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visualEffectView.contentView.addSubview(pagingViewConttroller.view)
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NSLayoutConstraint.activate([
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visualEffectView.topAnchor.constraint(equalTo: pagingViewConttroller.view.topAnchor),
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visualEffectView.bottomAnchor.constraint(equalTo: pagingViewConttroller.view.bottomAnchor),
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visualEffectView.leadingAnchor.constraint(equalTo: pagingViewConttroller.view.leadingAnchor),
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visualEffectView.trailingAnchor.constraint(equalTo: pagingViewConttroller.view.trailingAnchor),
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])
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pagingViewConttroller.didMove(toParent: self)
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viewModel.mediaPreviewImageViewControllerDelegate = self
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pagingViewConttroller.interPageSpacing = 10
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pagingViewConttroller.delegate = self
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pagingViewConttroller.dataSource = viewModel
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}
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}
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// MARK: - MediaPreviewingViewController
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extension MediaPreviewViewController: MediaPreviewingViewController {
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func isInteractiveDismissable() -> Bool {
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return true
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// if let mediaPreviewImageViewController = pagingViewConttroller.currentViewController as? MediaPreviewImageViewController {
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// let previewImageView = mediaPreviewImageViewController.previewImageView
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// // TODO: allow zooming pan dismiss
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// guard previewImageView.zoomScale == previewImageView.minimumZoomScale else {
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// return false
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// }
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//
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// let safeAreaInsets = previewImageView.safeAreaInsets
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// let statusBarFrameHeight = view.window?.windowScene?.statusBarManager?.statusBarFrame.height ?? 0
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// return previewImageView.contentOffset.y <= -(safeAreaInsets.top - statusBarFrameHeight)
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// }
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//
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// return false
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}
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}
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// MARK: - PageboyViewControllerDelegate
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extension MediaPreviewViewController: PageboyViewControllerDelegate {
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func pageboyViewController(
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_ pageboyViewController: PageboyViewController,
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willScrollToPageAt index: PageboyViewController.PageIndex,
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direction: PageboyViewController.NavigationDirection,
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animated: Bool
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) {
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// do nothing
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}
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func pageboyViewController(
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_ pageboyViewController: PageboyViewController,
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didScrollTo position: CGPoint,
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direction: PageboyViewController.NavigationDirection,
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animated: Bool
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) {
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// do nothing
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}
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func pageboyViewController(
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_ pageboyViewController: PageboyViewController,
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didScrollToPageAt index: PageboyViewController.PageIndex,
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direction: PageboyViewController.NavigationDirection,
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animated: Bool
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) {
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// update page control
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// pageControl.currentPage = index
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}
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func pageboyViewController(
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_ pageboyViewController: PageboyViewController,
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didReloadWith currentViewController: UIViewController,
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currentPageIndex: PageboyViewController.PageIndex
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) {
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// do nothing
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}
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}
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// MARK: - MediaPreviewImageViewControllerDelegate
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extension MediaPreviewViewController: MediaPreviewImageViewControllerDelegate {
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func mediaPreviewImageViewController(_ viewController: MediaPreviewImageViewController, tapGestureRecognizerDidTrigger tapGestureRecognizer: UITapGestureRecognizer) {
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}
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func mediaPreviewImageViewController(_ viewController: MediaPreviewImageViewController, longPressGestureRecognizerDidTrigger longPressGestureRecognizer: UILongPressGestureRecognizer) {
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// delegate?.mediaPreviewViewController(self, longPressGestureRecognizerTriggered: longPressGestureRecognizer)
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}
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}
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