754 lines
31 KiB
Swift
754 lines
31 KiB
Swift
//
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// HomeTimelineViewController.swift
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// Mastodon
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//
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// Created by sxiaojian on 2021/2/5.
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//
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import UIKit
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import AVKit
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import Combine
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import CoreData
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import CoreDataStack
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import GameplayKit
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import MastodonSDK
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import AlamofireImage
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import StoreKit
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import MastodonAsset
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import MastodonCore
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import MastodonUI
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import MastodonLocalization
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final class HomeTimelineViewController: UIViewController, NeedsDependency, MediaPreviewableViewController {
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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: HomeTimelineViewModel?
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let mediaPreviewTransitionController = MediaPreviewTransitionController()
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let friendsAssetImageView: UIImageView = {
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let imageView = UIImageView()
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imageView.image = Asset.Asset.friends.image
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imageView.contentMode = .scaleAspectFill
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return imageView
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}()
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lazy var emptyView: UIStackView = {
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let emptyView = UIStackView()
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emptyView.axis = .vertical
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emptyView.distribution = .fill
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emptyView.isLayoutMarginsRelativeArrangement = true
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return emptyView
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}()
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lazy var timelineSelectorButton = {
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let button = UIButton(type: .custom)
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button.setAttributedTitle(
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.init(string: L10n.Scene.HomeTimeline.TimelineMenu.following, attributes: [
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.font: UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 20, weight: .semibold))
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]),
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for: .normal)
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let imageConfiguration = UIImage.SymbolConfiguration(paletteColors: [.secondaryLabel, .secondarySystemFill])
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.applying(UIImage.SymbolConfiguration(textStyle: .subheadline))
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.applying(UIImage.SymbolConfiguration(pointSize: 16, weight: .bold, scale: .medium))
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button.configuration = {
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var config = UIButton.Configuration.plain()
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config.contentInsets = .init(top: 0, leading: 0, bottom: 0, trailing: 0)
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config.imagePadding = 8
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config.image = UIImage(systemName: "chevron.down.circle.fill", withConfiguration: imageConfiguration)
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config.imagePlacement = .trailing
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return config
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}()
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button.showsMenuAsPrimaryAction = true
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button.menu = generateTimelineSelectorMenu()
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return button
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}()
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let settingBarButtonItem: UIBarButtonItem = {
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let barButtonItem = UIBarButtonItem()
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barButtonItem.tintColor = Asset.Colors.Brand.blurple.color
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barButtonItem.image = UIImage(systemName: "gear")
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barButtonItem.accessibilityLabel = L10n.Common.Controls.Actions.settings
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return barButtonItem
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}()
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let tableView: UITableView = {
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let tableView = ControlContainableTableView()
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tableView.register(StatusTableViewCell.self, forCellReuseIdentifier: String(describing: StatusTableViewCell.self))
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tableView.register(TimelineMiddleLoaderTableViewCell.self, forCellReuseIdentifier: String(describing: TimelineMiddleLoaderTableViewCell.self))
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tableView.register(TimelineBottomLoaderTableViewCell.self, forCellReuseIdentifier: String(describing: TimelineBottomLoaderTableViewCell.self))
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tableView.rowHeight = UITableView.automaticDimension
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tableView.separatorStyle = .none
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tableView.backgroundColor = .clear
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return tableView
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}()
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let publishProgressView: UIProgressView = {
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let progressView = UIProgressView(progressViewStyle: .bar)
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progressView.alpha = 0
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return progressView
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}()
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let refreshControl = RefreshControl()
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let timelinePill = TimelineStatusPill()
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var timelinePillCenterXAnchor: NSLayoutConstraint?
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var timelinePillVisibleTopAnchor: NSLayoutConstraint?
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var timelinePillHiddenTopAnchor: NSLayoutConstraint?
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private func generateTimelineSelectorMenu() -> UIMenu {
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let showFollowingAction = UIAction(title: L10n.Scene.HomeTimeline.TimelineMenu.following, image: .init(systemName: "house")) { [weak self] _ in
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guard let self, let viewModel = self.viewModel else { return }
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viewModel.timelineContext = .home
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viewModel.dataController.records = []
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viewModel.loadLatestStateMachine.enter(HomeTimelineViewModel.LoadLatestState.ContextSwitch.self)
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timelineSelectorButton.setAttributedTitle(
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.init(string: L10n.Scene.HomeTimeline.TimelineMenu.following, attributes: [
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.font: UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 20, weight: .semibold))
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]),
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for: .normal)
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timelineSelectorButton.sizeToFit()
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timelineSelectorButton.menu = generateTimelineSelectorMenu()
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}
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let showLocalTimelineAction = UIAction(title: L10n.Scene.HomeTimeline.TimelineMenu.localCommunity, image: .init(systemName: "building.2")) { [weak self] action in
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guard let self, let viewModel = self.viewModel else { return }
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viewModel.timelineContext = .public
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viewModel.loadLatestStateMachine.enter(HomeTimelineViewModel.LoadLatestState.ContextSwitch.self)
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timelineSelectorButton.setAttributedTitle(
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.init(string: L10n.Scene.HomeTimeline.TimelineMenu.localCommunity, attributes: [
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.font: UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 20, weight: .semibold))
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]),
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for: .normal)
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timelineSelectorButton.sizeToFit()
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timelineSelectorButton.menu = generateTimelineSelectorMenu()
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}
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if let viewModel {
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switch viewModel.timelineContext {
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case .public:
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showLocalTimelineAction.state = .on
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showFollowingAction.state = .off
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case .home:
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showLocalTimelineAction.state = .off
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showFollowingAction.state = .on
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}
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}
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return UIMenu(children: [showFollowingAction, showLocalTimelineAction])
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}
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}
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extension HomeTimelineViewController {
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override func viewDidLoad() {
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super.viewDidLoad()
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title = nil
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view.backgroundColor = .secondarySystemBackground
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viewModel?.$displaySettingBarButtonItem
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.receive(on: DispatchQueue.main)
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.sink { [weak self] displaySettingBarButtonItem in
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guard let self = self else { return }
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self.navigationItem.rightBarButtonItem = displaySettingBarButtonItem ? self.settingBarButtonItem : nil
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}
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.store(in: &disposeBag)
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settingBarButtonItem.target = self
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settingBarButtonItem.action = #selector(HomeTimelineViewController.settingBarButtonItemPressed(_:))
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self.navigationItem.leftBarButtonItem = UIBarButtonItem(customView: timelineSelectorButton)
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tableView.refreshControl = refreshControl
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refreshControl.addTarget(self, action: #selector(HomeTimelineViewController.refreshControlValueChanged(_:)), for: .valueChanged)
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tableView.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(tableView)
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tableView.pinToParent()
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// // layout publish progress
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publishProgressView.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(publishProgressView)
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NSLayoutConstraint.activate([
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publishProgressView.topAnchor.constraint(equalTo: view.layoutMarginsGuide.topAnchor),
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publishProgressView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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publishProgressView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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])
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viewModel?.tableView = tableView
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tableView.delegate = self
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viewModel?.setupDiffableDataSource(
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tableView: tableView,
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statusTableViewCellDelegate: self,
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timelineMiddleLoaderTableViewCellDelegate: self
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)
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// setup batch fetch
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viewModel?.listBatchFetchViewModel.setup(scrollView: tableView)
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viewModel?.listBatchFetchViewModel.shouldFetch
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.receive(on: DispatchQueue.main)
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.sink { [weak self] _ in
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guard let self = self else { return }
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guard self.view.window != nil else { return }
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self.viewModel?.loadOldestStateMachine.enter(HomeTimelineViewModel.LoadOldestState.Loading.self)
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}
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.store(in: &disposeBag)
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// bind refresh control
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viewModel?.didLoadLatest
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.receive(on: DispatchQueue.main)
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.sink { [weak self] _ in
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guard let self = self else { return }
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UIView.animate(withDuration: 0.5) { [weak self] in
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guard let self = self else { return }
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self.refreshControl.endRefreshing()
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} completion: { _ in }
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}
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.store(in: &disposeBag)
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context.publisherService.statusPublishResult.receive(on: DispatchQueue.main).sink { result in
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if case .success(.edit(let status)) = result {
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self.viewModel?.hasPendingStatusEditReload = true
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self.viewModel?.dataController.update(status: .fromEntity(status.value), intent: .edit)
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}
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}.store(in: &disposeBag)
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context.publisherService.$currentPublishProgress
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.receive(on: DispatchQueue.main)
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.sink { [weak self] progress in
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guard let self = self else { return }
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let progress = Float(progress)
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guard progress > 0 else {
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let dismissAnimator = UIViewPropertyAnimator(duration: 0.1, curve: .easeInOut)
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dismissAnimator.addAnimations {
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self.publishProgressView.alpha = 0
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}
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dismissAnimator.addCompletion { _ in
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self.publishProgressView.setProgress(0, animated: false)
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}
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dismissAnimator.startAnimation()
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return
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}
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if self.publishProgressView.alpha == 0 {
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let progressAnimator = UIViewPropertyAnimator(duration: 0.1, curve: .easeOut)
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progressAnimator.addAnimations {
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self.publishProgressView.alpha = 1
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}
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progressAnimator.startAnimation()
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}
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self.publishProgressView.setProgress(progress, animated: true)
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}
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.store(in: &disposeBag)
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viewModel?.timelineIsEmpty
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.receive(on: DispatchQueue.main)
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.sink { [weak self] isEmpty in
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if isEmpty {
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self?.showEmptyView()
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let userDoesntFollowPeople: Bool
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if let authContext = self?.authContext,
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let me = authContext.mastodonAuthenticationBox.authentication.account() {
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userDoesntFollowPeople = me.followersCount == 0
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} else {
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userDoesntFollowPeople = true
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}
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if (self?.viewModel?.presentedSuggestions == false) && userDoesntFollowPeople {
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self?.findPeopleButtonPressed(self)
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self?.viewModel?.presentedSuggestions = true
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}
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} else {
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self?.emptyView.removeFromSuperview()
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}
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}
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.store(in: &disposeBag)
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NotificationCenter.default
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.publisher(for: .statusBarTapped, object: nil)
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.throttle(for: 0.5, scheduler: DispatchQueue.main, latest: false)
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.sink { [weak self] notification in
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guard let self = self else { return }
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guard let _ = self.view.window else { return } // displaying
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// https://developer.limneos.net/index.php?ios=13.1.3&framework=UIKitCore.framework&header=UIStatusBarTapAction.h
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guard let action = notification.object as AnyObject?,
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let xPosition = action.value(forKey: "xPosition") as? Double
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else { return }
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let viewFrameInWindow = self.view.convert(self.view.frame, to: nil)
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guard xPosition >= viewFrameInWindow.minX && xPosition <= viewFrameInWindow.maxX else { return }
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// check if scroll to top
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guard self.shouldRestoreScrollPosition() else { return }
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self.restorePositionWhenScrollToTop()
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}
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.store(in: &disposeBag)
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timelinePill.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(timelinePill)
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let timelinePillCenterXAnchor = timelinePill.centerXAnchor.constraint(equalTo: view.centerXAnchor)
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let timelinePillVisibleTopAnchor = timelinePill.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor, constant: 8)
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let timelinePillHiddenTopAnchor = view.safeAreaLayoutGuide.topAnchor.constraint(equalTo: timelinePill.bottomAnchor, constant: 8)
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NSLayoutConstraint.activate([
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timelinePillHiddenTopAnchor, timelinePillCenterXAnchor
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])
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timelinePill.addTarget(self, action: #selector(HomeTimelineViewController.timelinePillTouched(_:)), for: .touchDown)
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timelinePill.addTarget(self, action: #selector(HomeTimelineViewController.timelinePillPressedInside(_:)), for: .touchUpInside)
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timelinePill.addTarget(self, action: #selector(HomeTimelineViewController.timelinePillTouchedOutside(_:)), for: .touchUpOutside)
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self.timelinePillCenterXAnchor = timelinePillCenterXAnchor
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self.timelinePillVisibleTopAnchor = timelinePillVisibleTopAnchor
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self.timelinePillHiddenTopAnchor = timelinePillHiddenTopAnchor
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viewModel?.hasNewPosts
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.receive(on: DispatchQueue.main)
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.sink(receiveValue: { [weak self] hasNewPosts in
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guard let self else { return }
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if hasNewPosts {
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self.timelinePill.update(with: .newPosts)
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self.showTimelinePill()
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} else {
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self.hideTimelinePill()
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}
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})
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.store(in: &disposeBag)
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viewModel?.isOffline
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.receive(on: DispatchQueue.main)
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.sink(receiveValue: { [weak self] isOffline in
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guard let self else { return }
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if isOffline {
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self.timelinePill.update(with: .offline)
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self.showTimelinePill()
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} else {
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self.hideTimelinePill()
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}
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})
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.store(in: &disposeBag)
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context.publisherService.statusPublishResult.prepend(.failure(AppError.badRequest))
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.receive(on: DispatchQueue.main)
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.sink { [weak self] publishResult in
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guard let self else { return }
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switch publishResult {
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case .success:
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self.timelinePill.update(with: .postSent)
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self.showTimelinePill()
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case .failure:
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self.hideTimelinePill()
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}
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}
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.store(in: &disposeBag)
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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refreshControl.endRefreshing()
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tableView.deselectRow(with: transitionCoordinator, animated: animated)
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// needs trigger manually after onboarding dismiss
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setNeedsStatusBarAppearanceUpdate()
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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if let timestamp = viewModel?.lastAutomaticFetchTimestamp {
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let now = Date()
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if now.timeIntervalSince(timestamp) > 60 {
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self.viewModel?.lastAutomaticFetchTimestamp = now
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self.viewModel?.homeTimelineNeedRefresh.send()
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} else {
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// do nothing
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}
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} else {
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self.viewModel?.homeTimelineNeedRefresh.send()
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}
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}
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override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
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super.viewWillTransition(to: size, with: coordinator)
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coordinator.animate { _ in
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// do nothing
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} completion: { _ in
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// fix AutoLayout cell height not update after rotate issue
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self.viewModel?.cellFrameCache.removeAllObjects()
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self.tableView.reloadData()
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}
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}
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}
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extension HomeTimelineViewController {
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func showEmptyView() {
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if emptyView.superview != nil {
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return
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}
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view.addSubview(emptyView)
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emptyView.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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emptyView.topAnchor.constraint(equalTo: view.layoutMarginsGuide.topAnchor),
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emptyView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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emptyView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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emptyView.bottomAnchor.constraint(equalTo: view.layoutMarginsGuide.bottomAnchor)
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])
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if emptyView.arrangedSubviews.count > 0 {
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return
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}
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let findPeopleButton: PrimaryActionButton = {
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let button = PrimaryActionButton()
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button.setTitle(L10n.Common.Controls.Actions.findPeople, for: .normal)
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button.addTarget(self, action: #selector(HomeTimelineViewController.findPeopleButtonPressed(_:)), for: .touchUpInside)
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return button
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}()
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NSLayoutConstraint.activate([
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findPeopleButton.heightAnchor.constraint(equalToConstant: 46)
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])
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let manuallySearchButton: HighlightDimmableButton = {
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let button = HighlightDimmableButton()
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button.titleLabel?.font = UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 15, weight: .semibold))
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button.setTitle(L10n.Common.Controls.Actions.manuallySearch, for: .normal)
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button.setTitleColor(Asset.Colors.Brand.blurple.color, for: .normal)
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button.addTarget(self, action: #selector(HomeTimelineViewController.manuallySearchButtonPressed(_:)), for: .touchUpInside)
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return button
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}()
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let topPaddingView = UIView()
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let bottomPaddingView = UIView()
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emptyView.addArrangedSubview(topPaddingView)
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emptyView.addArrangedSubview(friendsAssetImageView)
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emptyView.addArrangedSubview(bottomPaddingView)
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topPaddingView.translatesAutoresizingMaskIntoConstraints = false
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bottomPaddingView.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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topPaddingView.heightAnchor.constraint(equalTo: bottomPaddingView.heightAnchor, multiplier: 0.8),
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manuallySearchButton.heightAnchor.constraint(greaterThanOrEqualToConstant: 20),
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])
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let buttonContainerStackView = UIStackView()
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emptyView.addArrangedSubview(buttonContainerStackView)
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buttonContainerStackView.isLayoutMarginsRelativeArrangement = true
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buttonContainerStackView.layoutMargins = UIEdgeInsets(top: 0, left: 32, bottom: 22, right: 32)
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buttonContainerStackView.axis = .vertical
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buttonContainerStackView.spacing = 17
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buttonContainerStackView.addArrangedSubview(findPeopleButton)
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buttonContainerStackView.addArrangedSubview(manuallySearchButton)
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}
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}
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//MARK: - Actions
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extension HomeTimelineViewController {
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@objc private func findPeopleButtonPressed(_ sender: Any?) {
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guard let authContext = viewModel?.authContext else { return }
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let suggestionAccountViewModel = SuggestionAccountViewModel(context: context, authContext: authContext)
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suggestionAccountViewModel.delegate = viewModel
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_ = coordinator.present(
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scene: .suggestionAccount(viewModel: suggestionAccountViewModel),
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from: self,
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transition: .modal(animated: true, completion: nil)
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)
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}
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@objc private func manuallySearchButtonPressed(_ sender: UIButton) {
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guard let authContext = viewModel?.authContext else { return }
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let searchDetailViewModel = SearchDetailViewModel(authContext: authContext)
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_ = coordinator.present(scene: .searchDetail(viewModel: searchDetailViewModel), from: self, transition: .modal(animated: true, completion: nil))
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}
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@objc private func settingBarButtonItemPressed(_ sender: UIBarButtonItem) {
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guard let setting = context.settingService.currentSetting.value else { return }
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|
_ = coordinator.present(scene: .settings(setting: setting), from: self, transition: .none)
|
|
}
|
|
|
|
@objc private func refreshControlValueChanged(_ sender: RefreshControl) {
|
|
guard let viewModel, viewModel.loadLatestStateMachine.enter(HomeTimelineViewModel.LoadLatestState.LoadingManually.self) else {
|
|
sender.endRefreshing()
|
|
return
|
|
}
|
|
}
|
|
|
|
@objc func signOutAction(_ sender: UIAction) {
|
|
guard let authContext = viewModel?.authContext else { return }
|
|
|
|
Task { @MainActor in
|
|
try await context.authenticationService.signOutMastodonUser(authenticationBox: authContext.mastodonAuthenticationBox)
|
|
let userIdentifier = authContext.mastodonAuthenticationBox
|
|
FileManager.default.invalidateHomeTimelineCache(for: userIdentifier)
|
|
FileManager.default.invalidateNotificationsAll(for: userIdentifier)
|
|
FileManager.default.invalidateNotificationsMentions(for: userIdentifier)
|
|
self.coordinator.setup()
|
|
}
|
|
}
|
|
|
|
@objc private func timelinePillTouched(_ sender: TimelineStatusPill) {
|
|
UIView.animate(withDuration: 0.05) {
|
|
sender.transform = CGAffineTransform.identity.scaledBy(x: 0.95, y: 0.95)
|
|
}
|
|
}
|
|
|
|
@objc private func timelinePillTouchedOutside(_ sender: TimelineStatusPill) {
|
|
UIView.animate(withDuration: 0.05) {
|
|
sender.transform = CGAffineTransform.identity.scaledBy(x: 100/95.0, y: 100/95.0)
|
|
}
|
|
}
|
|
|
|
@objc private func timelinePillPressedInside(_ sender: TimelineStatusPill) {
|
|
guard let reason = sender.reason else { return }
|
|
|
|
UIView.animate(withDuration: 0.05) {
|
|
sender.transform = CGAffineTransform.identity.scaledBy(x: 100/95.0, y: 100/95.0)
|
|
}
|
|
|
|
switch reason {
|
|
case .newPosts:
|
|
scrollToTop(animated: true)
|
|
viewModel?.hasNewPosts.value = false
|
|
case .postSent:
|
|
scrollToTop(animated: true)
|
|
hideTimelinePill()
|
|
case .offline:
|
|
hideTimelinePill()
|
|
}
|
|
}
|
|
|
|
private func showTimelinePill() {
|
|
guard let timelinePillHiddenTopAnchor, let timelinePillVisibleTopAnchor else { return }
|
|
|
|
timelinePill.setNeedsLayout()
|
|
timelinePill.layoutIfNeeded()
|
|
timelinePill.alpha = 0
|
|
NSLayoutConstraint.deactivate([timelinePillHiddenTopAnchor])
|
|
NSLayoutConstraint.activate([timelinePillVisibleTopAnchor])
|
|
|
|
UIView.animate(withDuration: 0.5, delay: 0.0, usingSpringWithDamping: 0.75, initialSpringVelocity: 0.9) { [weak self] in
|
|
self?.timelinePill.alpha = 1
|
|
self?.view.layoutIfNeeded()
|
|
}
|
|
}
|
|
|
|
private func hideTimelinePill() {
|
|
guard let timelinePillHiddenTopAnchor, let timelinePillVisibleTopAnchor else { return }
|
|
|
|
NSLayoutConstraint.deactivate([timelinePillVisibleTopAnchor])
|
|
NSLayoutConstraint.activate([timelinePillHiddenTopAnchor])
|
|
timelinePill.alpha = 1
|
|
UIView.animate(withDuration: 0.5, animations: { [weak self] in
|
|
self?.timelinePill.alpha = 0
|
|
self?.view.layoutIfNeeded()
|
|
})
|
|
}
|
|
|
|
}
|
|
// MARK: - UIScrollViewDelegate
|
|
extension HomeTimelineViewController {
|
|
func scrollViewShouldScrollToTop(_ scrollView: UIScrollView) -> Bool {
|
|
switch scrollView {
|
|
case tableView:
|
|
|
|
let indexPath = IndexPath(row: 0, section: 0)
|
|
guard viewModel?.diffableDataSource?.itemIdentifier(for: indexPath) != nil else {
|
|
return true
|
|
}
|
|
// save position
|
|
savePositionBeforeScrollToTop()
|
|
// override by custom scrollToRow
|
|
tableView.scrollToRow(at: indexPath, at: .top, animated: true)
|
|
return false
|
|
default:
|
|
assertionFailure()
|
|
return true
|
|
}
|
|
}
|
|
|
|
func scrollViewDidScroll(_ scrollView: UIScrollView) {
|
|
guard (scrollView.safeAreaInsets.top + scrollView.contentOffset.y) == 0 else {
|
|
return
|
|
}
|
|
|
|
hideTimelinePill()
|
|
}
|
|
|
|
private func savePositionBeforeScrollToTop() {
|
|
// check save action interval
|
|
// should not fast than 0.5s to prevent save when scrollToTop on-flying
|
|
if let record = viewModel?.scrollPositionRecord {
|
|
let now = Date()
|
|
guard now.timeIntervalSince(record.timestamp) > 0.5 else {
|
|
// skip this save action
|
|
return
|
|
}
|
|
}
|
|
|
|
guard let diffableDataSource = viewModel?.diffableDataSource else { return }
|
|
guard let anchorIndexPaths = tableView.indexPathsForVisibleRows?.sorted() else { return }
|
|
guard !anchorIndexPaths.isEmpty else { return }
|
|
let anchorIndexPath = anchorIndexPaths[anchorIndexPaths.count / 2]
|
|
guard let anchorItem = diffableDataSource.itemIdentifier(for: anchorIndexPath) else { return }
|
|
|
|
let offset: CGFloat = {
|
|
guard let anchorCell = tableView.cellForRow(at: anchorIndexPath) else { return 0 }
|
|
let cellFrameInView = tableView.convert(anchorCell.frame, to: view)
|
|
return cellFrameInView.origin.y
|
|
}()
|
|
viewModel?.scrollPositionRecord = HomeTimelineViewModel.ScrollPositionRecord(
|
|
item: anchorItem,
|
|
offset: offset,
|
|
timestamp: Date()
|
|
)
|
|
}
|
|
|
|
private func shouldRestoreScrollPosition() -> Bool {
|
|
// check if scroll to top
|
|
guard self.tableView.safeAreaInsets.top > 0 else { return false }
|
|
let zeroOffset = -self.tableView.safeAreaInsets.top
|
|
return abs(self.tableView.contentOffset.y - zeroOffset) < 2.0
|
|
}
|
|
|
|
private func restorePositionWhenScrollToTop() {
|
|
guard let diffableDataSource = viewModel?.diffableDataSource else { return }
|
|
guard let record = viewModel?.scrollPositionRecord,
|
|
let indexPath = diffableDataSource.indexPath(for: record.item)
|
|
else { return }
|
|
|
|
tableView.scrollToRow(at: indexPath, at: .middle, animated: true)
|
|
viewModel?.scrollPositionRecord = nil
|
|
}
|
|
}
|
|
|
|
// MARK: - AuthContextProvider
|
|
extension HomeTimelineViewController: AuthContextProvider {
|
|
var authContext: AuthContext { viewModel!.authContext }
|
|
}
|
|
|
|
// MARK: - UITableViewDelegate
|
|
extension HomeTimelineViewController: UITableViewDelegate, AutoGenerateTableViewDelegate {
|
|
// sourcery:inline:HomeTimelineViewController.AutoGenerateTableViewDelegate
|
|
|
|
// Generated using Sourcery
|
|
// DO NOT EDIT
|
|
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
|
|
aspectTableView(tableView, didSelectRowAt: indexPath)
|
|
}
|
|
|
|
func tableView(_ tableView: UITableView, contextMenuConfigurationForRowAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
|
|
return aspectTableView(tableView, contextMenuConfigurationForRowAt: indexPath, point: point)
|
|
}
|
|
|
|
func tableView(_ tableView: UITableView, previewForHighlightingContextMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview? {
|
|
return aspectTableView(tableView, previewForHighlightingContextMenuWithConfiguration: configuration)
|
|
}
|
|
|
|
func tableView(_ tableView: UITableView, previewForDismissingContextMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview? {
|
|
return aspectTableView(tableView, previewForDismissingContextMenuWithConfiguration: configuration)
|
|
}
|
|
|
|
func tableView(_ tableView: UITableView, willPerformPreviewActionForMenuWith configuration: UIContextMenuConfiguration, animator: UIContextMenuInteractionCommitAnimating) {
|
|
aspectTableView(tableView, willPerformPreviewActionForMenuWith: configuration, animator: animator)
|
|
}
|
|
|
|
// sourcery:end
|
|
|
|
func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
|
|
guard let viewModel,
|
|
let currentState = viewModel.loadLatestStateMachine.currentState as? HomeTimelineViewModel.LoadLatestState,
|
|
(currentState.self is HomeTimelineViewModel.LoadLatestState.ContextSwitch) == false else { return }
|
|
|
|
if indexPath.row == tableView.numberOfRows(inSection: indexPath.section) - 1 {
|
|
viewModel.timelineDidReachEnd()
|
|
}
|
|
}
|
|
}
|
|
|
|
// MARK: - TimelineMiddleLoaderTableViewCellDelegate
|
|
extension HomeTimelineViewController: TimelineMiddleLoaderTableViewCellDelegate {
|
|
func timelineMiddleLoaderTableViewCell(_ cell: TimelineMiddleLoaderTableViewCell, loadMoreButtonDidPressed button: UIButton) {
|
|
guard let diffableDataSource = viewModel?.diffableDataSource else { return }
|
|
guard let indexPath = tableView.indexPath(for: cell) else { return }
|
|
guard let item = diffableDataSource.itemIdentifier(for: indexPath) else { return }
|
|
|
|
Task {
|
|
await viewModel?.loadMore(item: item)
|
|
}
|
|
}
|
|
}
|
|
|
|
// MARK: - ScrollViewContainer
|
|
extension HomeTimelineViewController: ScrollViewContainer {
|
|
|
|
var scrollView: UIScrollView { return tableView }
|
|
|
|
func scrollToTop(animated: Bool) {
|
|
guard let viewModel else { return }
|
|
|
|
if scrollView.contentOffset.y < scrollView.frame.height,
|
|
viewModel.loadLatestStateMachine.canEnterState(HomeTimelineViewModel.LoadLatestState.Loading.self),
|
|
(scrollView.contentOffset.y + scrollView.adjustedContentInset.top) == 0.0,
|
|
!refreshControl.isRefreshing {
|
|
scrollView.scrollRectToVisible(CGRect(origin: CGPoint(x: 0, y: -refreshControl.frame.height), size: CGSize(width: 1, height: 1)), animated: animated)
|
|
DispatchQueue.main.async { [weak self] in
|
|
guard let self = self else { return }
|
|
self.refreshControl.beginRefreshing()
|
|
self.refreshControl.sendActions(for: .valueChanged)
|
|
}
|
|
} else {
|
|
let indexPath = IndexPath(row: 0, section: 0)
|
|
guard viewModel.diffableDataSource?.itemIdentifier(for: indexPath) != nil else { return }
|
|
// save position
|
|
savePositionBeforeScrollToTop()
|
|
tableView.scrollToRow(at: indexPath, at: .top, animated: true)
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// MARK: - StatusTableViewCellDelegate
|
|
extension HomeTimelineViewController: StatusTableViewCellDelegate { }
|
|
|
|
extension HomeTimelineViewController {
|
|
override var keyCommands: [UIKeyCommand]? {
|
|
return navigationKeyCommands + statusNavigationKeyCommands
|
|
}
|
|
}
|
|
|
|
// MARK: - StatusTableViewControllerNavigateable
|
|
extension HomeTimelineViewController: StatusTableViewControllerNavigateable {
|
|
@objc func navigateKeyCommandHandlerRelay(_ sender: UIKeyCommand) {
|
|
navigateKeyCommandHandler(sender)
|
|
}
|
|
|
|
@objc func statusKeyCommandHandlerRelay(_ sender: UIKeyCommand) {
|
|
statusKeyCommandHandler(sender)
|
|
}
|
|
}
|