mirror of
https://github.com/metabolist/metatext.git
synced 2024-11-21 15:50:59 +00:00
Image viewing
This commit is contained in:
Justin Mazzocchi
parent
f4cd293ec2
commit
9bb7ae0609
8 changed files with 302 additions and 3 deletions
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@ -19,6 +19,9 @@
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D0625E5D250F0B5C00502611 /* StatusContentConfiguration.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0625E5C250F0B5C00502611 /* StatusContentConfiguration.swift */; };
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D06B492324D4611300642749 /* KingfisherSwiftUI in Frameworks */ = {isa = PBXBuildFile; productRef = D06B492224D4611300642749 /* KingfisherSwiftUI */; };
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D06BC5E625202AD90079541D /* ProfileViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D06BC5E525202AD90079541D /* ProfileViewController.swift */; };
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D08B8D3D253F929E00B1EBEF /* ImageViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D08B8D3C253F929E00B1EBEF /* ImageViewController.swift */; };
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D08B8D42253F92B600B1EBEF /* ImagePageViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D08B8D41253F92B600B1EBEF /* ImagePageViewController.swift */; };
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D08B8D4A253FC36500B1EBEF /* ImageNavigationController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D08B8D49253FC36500B1EBEF /* ImageNavigationController.swift */; };
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D0A1F4F7252E7D4B004435BF /* TableViewDataSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0A1F4F6252E7D4B004435BF /* TableViewDataSource.swift */; };
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D0A3C2F725390A9700739F88 /* AppPreferences+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0A3C2F625390A9700739F88 /* AppPreferences+Extensions.swift */; };
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D0B32F50250B373600311912 /* RegistrationView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0B32F4F250B373600311912 /* RegistrationView.swift */; };
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@ -116,6 +119,9 @@
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D0666A2524C677B400F3F04B /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
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D06BC5E525202AD90079541D /* ProfileViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProfileViewController.swift; sourceTree = "<group>"; };
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D085C3BB25008DEC008A6C5E /* DB */ = {isa = PBXFileReference; lastKnownFileType = folder; path = DB; sourceTree = "<group>"; };
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D08B8D3C253F929E00B1EBEF /* ImageViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ImageViewController.swift; sourceTree = "<group>"; };
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D08B8D41253F92B600B1EBEF /* ImagePageViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ImagePageViewController.swift; sourceTree = "<group>"; };
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D08B8D49253FC36500B1EBEF /* ImageNavigationController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ImageNavigationController.swift; sourceTree = "<group>"; };
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D0A1F4F6252E7D4B004435BF /* TableViewDataSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TableViewDataSource.swift; sourceTree = "<group>"; };
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D0A3C2F625390A9700739F88 /* AppPreferences+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "AppPreferences+Extensions.swift"; sourceTree = "<group>"; };
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D0AD03552505814D0085A466 /* Base16 */ = {isa = PBXFileReference; lastKnownFileType = folder; path = Base16; sourceTree = "<group>"; };
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@ -297,7 +303,6 @@
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D0F0B125251A90F400942152 /* AccountListCell.swift */,
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D0F0B10D251A868200942152 /* AccountView.swift */,
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D0C7D42424F76169001EBDBB /* AddIdentityView.swift */,
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D03B1B29253818F3008F964B /* MediaPreferencesView.swift */,
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D0C7D42324F76169001EBDBB /* CustomEmojiText.swift */,
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D0BEB21024FA2A90001B0F04 /* EditFilterView.swift */,
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D0BEB20424FA1107001B0F04 /* FiltersView.swift */,
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@ -307,6 +312,7 @@
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D0B8510B25259E56004E0744 /* LoadMoreCell.swift */,
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D0E569DF252931B100FA1D72 /* LoadMoreContentConfiguration.swift */,
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D0E569DA2529319100FA1D72 /* LoadMoreView.swift */,
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D03B1B29253818F3008F964B /* MediaPreferencesView.swift */,
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D0C7D42D24F76169001EBDBB /* NotificationTypesPreferencesView.swift */,
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D0FE1C8E253686F9003EF1EB /* PlayerView.swift */,
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D0C7D42824F76169001EBDBB /* PostingReadingPreferencesView.swift */,
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@ -328,6 +334,9 @@
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D0C7D43024F76169001EBDBB /* View Controllers */ = {
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isa = PBXGroup;
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children = (
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D08B8D41253F92B600B1EBEF /* ImagePageViewController.swift */,
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D08B8D49253FC36500B1EBEF /* ImageNavigationController.swift */,
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D08B8D3C253F929E00B1EBEF /* ImageViewController.swift */,
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D06BC5E525202AD90079541D /* ProfileViewController.swift */,
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D0F0B12D251A97E400942152 /* TableViewController.swift */,
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);
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@ -569,6 +578,7 @@
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D0F0B12E251A97E400942152 /* TableViewController.swift in Sources */,
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D0FE1C8F253686F9003EF1EB /* PlayerView.swift in Sources */,
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D0F0B113251A86A000942152 /* AccountContentConfiguration.swift in Sources */,
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D08B8D42253F92B600B1EBEF /* ImagePageViewController.swift in Sources */,
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D01F41D924F880C400D55A2D /* TouchFallthroughTextView.swift in Sources */,
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D0C7D4D624F7616A001EBDBB /* NSMutableAttributedString+Extensions.swift in Sources */,
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D0625E59250F092900502611 /* StatusListCell.swift in Sources */,
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@ -591,9 +601,11 @@
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D01EF22425182B1F00650C6B /* AccountHeaderView.swift in Sources */,
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D0EA59482522B8B600804347 /* ViewConstants.swift in Sources */,
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D0C7D49824F7616A001EBDBB /* CustomEmojiText.swift in Sources */,
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D08B8D3D253F929E00B1EBEF /* ImageViewController.swift in Sources */,
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D0B8510C25259E56004E0744 /* LoadMoreCell.swift in Sources */,
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D01F41E424F8889700D55A2D /* StatusAttachmentsView.swift in Sources */,
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D0BEB21124FA2A91001B0F04 /* EditFilterView.swift in Sources */,
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D08B8D4A253FC36500B1EBEF /* ImageNavigationController.swift in Sources */,
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D0030982250C6C8500EACB32 /* URL+Extensions.swift in Sources */,
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D00CB2ED2533ACC00080096B /* StatusView.swift in Sources */,
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D0A1F4F7252E7D4B004435BF /* TableViewDataSource.swift in Sources */,
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25
View Controllers/ImageNavigationController.swift
Normal file
25
View Controllers/ImageNavigationController.swift
Normal file
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@ -0,0 +1,25 @@
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// Copyright © 2020 Metabolist. All rights reserved.
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import UIKit
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class ImageNavigationController: UINavigationController {
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private let imagePageViewController: ImagePageViewController
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init(imagePageViewController: ImagePageViewController) {
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self.imagePageViewController = imagePageViewController
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super.init(rootViewController: imagePageViewController)
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}
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@available(*, unavailable)
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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hidesBarsOnTap = true
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modalPresentationStyle = .fullScreen
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}
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}
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76
View Controllers/ImagePageViewController.swift
Normal file
76
View Controllers/ImagePageViewController.swift
Normal file
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@ -0,0 +1,76 @@
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// Copyright © 2020 Metabolist. All rights reserved.
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import UIKit
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import ViewModels
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class ImagePageViewController: UIPageViewController {
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let imageViewControllers: [ImageViewController]
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init(initiallyVisible: AttachmentViewModel, statusViewModel: StatusViewModel) {
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imageViewControllers = statusViewModel.attachmentViewModels.map(ImageViewController.init(viewModel:))
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super.init(
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transitionStyle: .scroll,
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navigationOrientation: .horizontal,
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options: [.interPageSpacing: CGFloat.defaultSpacing])
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let index = statusViewModel.attachmentViewModels.firstIndex {
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$0.attachment.id == initiallyVisible.attachment.id
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}
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setViewControllers([imageViewControllers[index ?? 0]], direction: .forward, animated: false)
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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dataSource = self
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view.backgroundColor = .secondarySystemBackground
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view.subviews.compactMap { $0 as? UIScrollView }.first?.bounces = imageViewControllers.count > 1
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navigationItem.leftBarButtonItem = .init(
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systemItem: .close,
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primaryAction: UIAction { [weak self] _ in self?.presentingViewController?.dismiss(animated: true) })
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navigationController?.barHideOnTapGestureRecognizer.addTarget(
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self,
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action: #selector(toggleDescriptionVisibility))
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}
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}
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extension ImagePageViewController {
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@objc func toggleDescriptionVisibility() {
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for controller in imageViewControllers {
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controller.toggleDescriptionVisibility()
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}
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}
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}
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extension ImagePageViewController: UIPageViewControllerDataSource {
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func pageViewController(_ pageViewController: UIPageViewController,
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viewControllerAfter viewController: UIViewController) -> UIViewController? {
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guard
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let imageViewController = viewController as? ImageViewController,
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let index = imageViewControllers.firstIndex(of: imageViewController),
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index + 1 < imageViewControllers.count
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else { return nil }
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return imageViewControllers[index + 1]
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}
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func pageViewController(_ pageViewController: UIPageViewController,
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viewControllerBefore viewController: UIViewController) -> UIViewController? {
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guard
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let imageViewController = viewController as? ImageViewController,
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let index = imageViewControllers.firstIndex(of: imageViewController),
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index > 0
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else { return nil }
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return imageViewControllers[index - 1]
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}
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}
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169
View Controllers/ImageViewController.swift
Normal file
169
View Controllers/ImageViewController.swift
Normal file
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@ -0,0 +1,169 @@
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// Copyright © 2020 Metabolist. All rights reserved.
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import Kingfisher
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import UIKit
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import ViewModels
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class ImageViewController: UIViewController {
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private let viewModel: AttachmentViewModel
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private let scrollView = UIScrollView()
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private let contentView = UIView()
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private let imageView = AnimatedImageView()
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private let playerView = PlayerView()
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private let descriptionBackgroundView = UIVisualEffectView(effect: UIBlurEffect(style: .systemChromeMaterial))
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private let descriptionTextView = UITextView()
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init(viewModel: AttachmentViewModel) {
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self.viewModel = viewModel
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super.init(nibName: nil, bundle: nil)
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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// swiftlint:disable:next function_body_length
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override func viewDidLoad() {
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super.viewDidLoad()
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view.backgroundColor = .secondarySystemBackground
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view.addSubview(scrollView)
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scrollView.delegate = self
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scrollView.translatesAutoresizingMaskIntoConstraints = false
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scrollView.showsHorizontalScrollIndicator = false
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scrollView.showsVerticalScrollIndicator = false
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scrollView.maximumZoomScale = Self.maximumZoomScale
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contentView.translatesAutoresizingMaskIntoConstraints = false
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scrollView.addSubview(contentView)
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contentView.addSubview(imageView)
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imageView.translatesAutoresizingMaskIntoConstraints = false
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imageView.contentMode = .scaleAspectFit
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contentView.addSubview(playerView)
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playerView.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(descriptionBackgroundView)
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descriptionBackgroundView.translatesAutoresizingMaskIntoConstraints = false
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descriptionBackgroundView.isHidden = viewModel.attachment.description == nil
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|| viewModel.attachment.description == ""
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descriptionBackgroundView.contentView.addSubview(descriptionTextView)
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descriptionTextView.translatesAutoresizingMaskIntoConstraints = false
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descriptionTextView.backgroundColor = .clear
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descriptionTextView.font = .preferredFont(forTextStyle: .caption1)
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descriptionTextView.adjustsFontForContentSizeCategory = true
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descriptionTextView.text = viewModel.attachment.description
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descriptionTextView.isScrollEnabled = false
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descriptionTextView.isEditable = false
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NSLayoutConstraint.activate([
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scrollView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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scrollView.topAnchor.constraint(equalTo: view.topAnchor),
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scrollView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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scrollView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
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contentView.leadingAnchor.constraint(equalTo: scrollView.leadingAnchor),
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contentView.topAnchor.constraint(equalTo: scrollView.topAnchor),
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contentView.trailingAnchor.constraint(equalTo: scrollView.trailingAnchor),
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contentView.bottomAnchor.constraint(equalTo: scrollView.bottomAnchor),
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contentView.centerXAnchor.constraint(equalTo: scrollView.centerXAnchor),
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contentView.centerYAnchor.constraint(equalTo: scrollView.centerYAnchor),
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imageView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor),
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imageView.topAnchor.constraint(equalTo: contentView.topAnchor),
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imageView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor),
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imageView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor),
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playerView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor),
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playerView.topAnchor.constraint(equalTo: contentView.topAnchor),
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playerView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor),
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playerView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor),
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descriptionBackgroundView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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descriptionBackgroundView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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descriptionBackgroundView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
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descriptionTextView.leadingAnchor.constraint(
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equalTo: descriptionBackgroundView.layoutMarginsGuide.leadingAnchor),
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descriptionTextView.topAnchor.constraint(equalTo: descriptionBackgroundView.topAnchor),
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descriptionTextView.trailingAnchor.constraint(
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equalTo: descriptionBackgroundView.layoutMarginsGuide.trailingAnchor),
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descriptionTextView.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor)
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])
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switch viewModel.attachment.type {
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case .image:
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playerView.isHidden = true
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imageView.isHidden = false
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imageView.kf.indicatorType = .activity
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imageView.kf.setImage(
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with: viewModel.attachment.previewUrl,
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options: [.onlyFromCache],
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completionHandler: { [weak self] in
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guard let self = self else { return }
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if case .success = $0 {
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self.imageView.kf.indicatorType = .none
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}
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self.imageView.kf.setImage(
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with: self.viewModel.attachment.url,
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options: [.keepCurrentImageWhileLoading])
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})
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case .gifv:
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playerView.isHidden = false
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imageView.isHidden = true
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let player = PlayerCache.shared.player(url: viewModel.attachment.url)
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player.isMuted = true
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playerView.player = player
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player.play()
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default: break
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}
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}
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}
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extension ImageViewController {
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func toggleDescriptionVisibility() {
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UIView.animate(withDuration: .shortAnimationDuration) {
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self.descriptionBackgroundView.alpha = self.descriptionBackgroundView.alpha > 0 ? 0 : 1
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}
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}
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}
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extension ImageViewController: UIScrollViewDelegate {
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func viewForZooming(in scrollView: UIScrollView) -> UIView? {
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contentView
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}
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// https://stackoverflow.com/a/40480610/2484482
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func scrollViewDidZoom(_ scrollView: UIScrollView) {
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if scrollView.zoomScale > 1,
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let contentSize = imageView.image?.size ?? playerView.player?.currentItem?.presentationSize {
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let ratio = min(contentView.frame.width / contentSize.width, contentView.frame.height / contentSize.height)
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let newWidth = contentSize.width * ratio
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let newHeight = contentSize.height * ratio
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let horizontalInset = 0.5 * (newWidth * scrollView.zoomScale > contentView.frame.width
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? (newWidth - contentView.frame.width)
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: (scrollView.frame.width - scrollView.contentSize.width))
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let verticalInset = 0.5 * (newHeight * scrollView.zoomScale > contentView.frame.height
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? (newHeight - contentView.frame.height)
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: (scrollView.frame.height - scrollView.contentSize.height))
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scrollView.contentInset = .init(
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top: verticalInset,
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left: horizontalInset,
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bottom: verticalInset,
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right: horizontalInset)
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} else {
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scrollView.contentInset = .zero
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}
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}
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}
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private extension ImageViewController {
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static let maximumZoomScale: CGFloat = 5
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}
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@ -310,7 +310,12 @@ private extension TableViewController {
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player.play()
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}
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case .image, .gifv:
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break
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let imagePageViewController = ImagePageViewController(
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initiallyVisible: attachmentViewModel,
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statusViewModel: statusViewModel)
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let imageNavigationController = ImageNavigationController(imagePageViewController: imagePageViewController)
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present(imageNavigationController, animated: true)
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case .unknown:
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break
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}
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|
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@ -15,8 +15,11 @@ class PlayerView: UIView {
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override init(frame: CGRect) {
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super.init(frame: frame)
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}
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(layer as? AVPlayerLayer)?.videoGravity = .resizeAspectFill
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var videoGravity: AVLayerVideoGravity {
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get { playerLayer.videoGravity }
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set { playerLayer.videoGravity = newValue }
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}
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@available(*, unavailable)
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@ -24,3 +27,10 @@ class PlayerView: UIView {
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fatalError("init(coder:) has not been implemented")
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}
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}
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private extension PlayerView {
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var playerLayer: AVPlayerLayer {
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// swiftlint:disable:next force_cast
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layer as! AVPlayerLayer
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}
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}
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@ -100,6 +100,7 @@ private extension StatusAttachmentView {
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addSubview(playerView)
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playerView.translatesAutoresizingMaskIntoConstraints = false
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playerView.videoGravity = .resizeAspectFill
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playerView.isHidden = true
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addSubview(button)
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|
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@ -13,6 +13,7 @@ extension CGFloat {
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|||
|
||||
extension TimeInterval {
|
||||
static let defaultAnimationDuration: Self = 0.5
|
||||
static let shortAnimationDuration = defaultAnimationDuration / 2
|
||||
}
|
||||
|
||||
extension UIImage {
|
||||
|
|
|
|||
Loading…
Reference in a new issue