596 lines
26 KiB
Swift
596 lines
26 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 os.log
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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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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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private(set) lazy var viewModel = HomeTimelineViewModel(context: context)
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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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let titleView = HomeTimelineNavigationBarTitleView()
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let settingBarButtonItem: UIBarButtonItem = {
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let barButtonItem = UIBarButtonItem()
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barButtonItem.tintColor = Asset.Colors.brandBlue.color
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barButtonItem.image = UIImage(systemName: "gear")?.withRenderingMode(.alwaysTemplate)
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return barButtonItem
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}()
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let composeBarButtonItem: UIBarButtonItem = {
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let barButtonItem = UIBarButtonItem()
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barButtonItem.tintColor = Asset.Colors.brandBlue.color
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barButtonItem.image = UIImage(systemName: "square.and.pencil")?.withRenderingMode(.alwaysTemplate)
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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 = UIRefreshControl()
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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 HomeTimelineViewController {
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override func viewDidLoad() {
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super.viewDidLoad()
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title = L10n.Scene.HomeTimeline.title
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view.backgroundColor = ThemeService.shared.currentTheme.value.secondarySystemBackgroundColor
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ThemeService.shared.currentTheme
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.receive(on: RunLoop.main)
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.sink { [weak self] theme in
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guard let self = self else { return }
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self.view.backgroundColor = theme.secondarySystemBackgroundColor
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}
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.store(in: &disposeBag)
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// navigationItem.leftBarButtonItem = settingBarButtonItem
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navigationItem.titleView = titleView
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titleView.delegate = self
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viewModel.homeTimelineNavigationBarTitleViewModel.state
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.removeDuplicates()
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.receive(on: DispatchQueue.main)
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.sink { [weak self] state in
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guard let self = self else { return }
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self.titleView.configure(state: state)
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}
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.store(in: &disposeBag)
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#if DEBUG
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// long press to trigger debug menu
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settingBarButtonItem.menu = debugMenu
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#else
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settingBarButtonItem.target = self
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settingBarButtonItem.action = #selector(HomeTimelineViewController.settingBarButtonItemPressed(_:))
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#endif
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navigationItem.rightBarButtonItem = composeBarButtonItem
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composeBarButtonItem.target = self
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composeBarButtonItem.action = #selector(HomeTimelineViewController.composeBarButtonItemPressed(_:))
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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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NSLayoutConstraint.activate([
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tableView.topAnchor.constraint(equalTo: view.topAnchor),
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tableView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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tableView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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tableView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
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])
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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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viewModel.contentOffsetAdjustableTimelineViewControllerDelegate = self
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tableView.delegate = self
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tableView.prefetchDataSource = self
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viewModel.setupDiffableDataSource(
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for: tableView,
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dependency: self,
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statusTableViewCellDelegate: self,
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timelineMiddleLoaderTableViewCellDelegate: self
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)
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// bind refresh control
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viewModel.isFetchingLatestTimeline
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.receive(on: DispatchQueue.main)
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.sink { [weak self] isFetching in
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guard let self = self else { return }
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if !isFetching {
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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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}
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.store(in: &disposeBag)
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viewModel.homeTimelineNavigationBarTitleViewModel.publishingProgress
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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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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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} 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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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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aspectViewWillAppear(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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viewModel.viewDidAppear.send()
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DispatchQueue.main.asyncAfter(deadline: .now() + 2) { [weak self] in
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guard let self = self else { return }
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// always try to refresh timeline after appear
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self.viewModel.homeTimelineNeedRefresh.send()
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}
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}
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override func viewDidDisappear(_ animated: Bool) {
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super.viewDidDisappear(animated)
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aspectViewDidDisappear(animated)
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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.brandBlue.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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friendsAssetImageView.isHidden = traitCollection.userInterfaceIdiom != .phone
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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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])
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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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extension HomeTimelineViewController {
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@objc private func findPeopleButtonPressed(_ sender: PrimaryActionButton) {
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let viewModel = SuggestionAccountViewModel(context: context)
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viewModel.delegate = self.viewModel
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coordinator.present(scene: .suggestionAccount(viewModel: viewModel), from: self, transition: .modal(animated: true, completion: nil))
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}
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@objc private func manuallySearchButtonPressed(_ sender: UIButton) {
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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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let searchDetailViewModel = SearchDetailViewModel()
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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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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
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guard let setting = context.settingService.currentSetting.value else { return }
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let settingsViewModel = SettingsViewModel(context: context, setting: setting)
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coordinator.present(scene: .settings(viewModel: settingsViewModel), from: self, transition: .modal(animated: true, completion: nil))
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}
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@objc private func composeBarButtonItemPressed(_ sender: UIBarButtonItem) {
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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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let composeViewModel = ComposeViewModel(context: context, composeKind: .post)
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coordinator.present(scene: .compose(viewModel: composeViewModel), from: self, transition: .modal(animated: true, completion: nil))
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}
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@objc private func refreshControlValueChanged(_ sender: UIRefreshControl) {
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guard viewModel.loadLatestStateMachine.enter(HomeTimelineViewModel.LoadLatestState.Loading.self) else {
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sender.endRefreshing()
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return
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}
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}
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@objc func signOutAction(_ sender: UIAction) {
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guard let activeMastodonAuthenticationBox = context.authenticationService.activeMastodonAuthenticationBox.value else {
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return
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}
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context.authenticationService.signOutMastodonUser(
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domain: activeMastodonAuthenticationBox.domain,
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userID: activeMastodonAuthenticationBox.userID
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)
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.receive(on: DispatchQueue.main)
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.sink { [weak self] result in
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guard let self = self else { return }
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switch result {
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case .failure(let error):
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assertionFailure(error.localizedDescription)
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case .success(let isSignOut):
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: sign out %s", ((#file as NSString).lastPathComponent), #line, #function, isSignOut ? "success" : "fail")
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guard isSignOut else { return }
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self.coordinator.setup()
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self.coordinator.setupOnboardingIfNeeds(animated: true)
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}
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}
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.store(in: &disposeBag)
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}
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}
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// MARK: - StatusTableViewControllerAspect
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extension HomeTimelineViewController: StatusTableViewControllerAspect { }
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extension HomeTimelineViewController: TableViewCellHeightCacheableContainer {
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var cellFrameCache: NSCache<NSNumber, NSValue> { return viewModel.cellFrameCache }
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}
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// MARK: - UIScrollViewDelegate
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extension HomeTimelineViewController {
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func scrollViewDidScroll(_ scrollView: UIScrollView) {
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aspectScrollViewDidScroll(scrollView)
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viewModel.homeTimelineNavigationBarTitleViewModel.handleScrollViewDidScroll(scrollView)
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}
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}
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extension HomeTimelineViewController: LoadMoreConfigurableTableViewContainer {
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typealias BottomLoaderTableViewCell = TimelineBottomLoaderTableViewCell
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typealias LoadingState = HomeTimelineViewModel.LoadOldestState.Loading
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var loadMoreConfigurableTableView: UITableView { return tableView }
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var loadMoreConfigurableStateMachine: GKStateMachine { return viewModel.loadOldestStateMachine }
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}
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// MARK: - UITableViewDelegate
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extension HomeTimelineViewController: UITableViewDelegate {
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func tableView(_ tableView: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat {
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aspectTableView(tableView, estimatedHeightForRowAt: indexPath)
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}
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func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
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aspectTableView(tableView, willDisplay: cell, forRowAt: indexPath)
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}
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func tableView(_ tableView: UITableView, didEndDisplaying cell: UITableViewCell, forRowAt indexPath: IndexPath) {
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aspectTableView(tableView, didEndDisplaying: cell, forRowAt: indexPath)
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}
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func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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aspectTableView(tableView, didSelectRowAt: indexPath)
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}
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func tableView(_ tableView: UITableView, contextMenuConfigurationForRowAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
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return aspectTableView(tableView, contextMenuConfigurationForRowAt: indexPath, point: point)
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}
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func tableView(_ tableView: UITableView, previewForHighlightingContextMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview? {
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return aspectTableView(tableView, previewForHighlightingContextMenuWithConfiguration: configuration)
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}
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func tableView(_ tableView: UITableView, previewForDismissingContextMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview? {
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return aspectTableView(tableView, previewForDismissingContextMenuWithConfiguration: configuration)
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}
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func tableView(_ tableView: UITableView, willPerformPreviewActionForMenuWith configuration: UIContextMenuConfiguration, animator: UIContextMenuInteractionCommitAnimating) {
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aspectTableView(tableView, willPerformPreviewActionForMenuWith: configuration, animator: animator)
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}
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}
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// MARK: - UITableViewDataSourcePrefetching
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extension HomeTimelineViewController: UITableViewDataSourcePrefetching {
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func tableView(_ tableView: UITableView, prefetchRowsAt indexPaths: [IndexPath]) {
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aspectTableView(tableView, prefetchRowsAt: indexPaths)
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}
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func tableView(_ tableView: UITableView, cancelPrefetchingForRowsAt indexPaths: [IndexPath]) {
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aspectTableView(tableView, cancelPrefetchingForRowsAt: indexPaths)
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}
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}
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// MARK: - ContentOffsetAdjustableTimelineViewControllerDelegate
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extension HomeTimelineViewController: ContentOffsetAdjustableTimelineViewControllerDelegate {
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func navigationBar() -> UINavigationBar? {
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return navigationController?.navigationBar
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}
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}
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// MARK: - TimelineMiddleLoaderTableViewCellDelegate
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extension HomeTimelineViewController: TimelineMiddleLoaderTableViewCellDelegate {
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func configure(cell: TimelineMiddleLoaderTableViewCell, upperTimelineStatusID: String?, timelineIndexobjectID: NSManagedObjectID?) {
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guard let upperTimelineIndexObjectID = timelineIndexobjectID else {
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return
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}
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viewModel.loadMiddleSateMachineList
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.receive(on: DispatchQueue.main)
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.sink { [weak self] ids in
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guard let _ = self else { return }
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if let stateMachine = ids[upperTimelineIndexObjectID] {
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guard let state = stateMachine.currentState else {
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assertionFailure()
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return
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}
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// make success state same as loading due to snapshot updating delay
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let isLoading = state is HomeTimelineViewModel.LoadMiddleState.Loading || state is HomeTimelineViewModel.LoadMiddleState.Success
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if isLoading {
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cell.startAnimating()
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} else {
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cell.stopAnimating()
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}
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} else {
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cell.stopAnimating()
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}
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}
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.store(in: &cell.disposeBag)
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var dict = viewModel.loadMiddleSateMachineList.value
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if let _ = dict[upperTimelineIndexObjectID] {
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// do nothing
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} else {
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let stateMachine = GKStateMachine(states: [
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HomeTimelineViewModel.LoadMiddleState.Initial(viewModel: viewModel, upperTimelineIndexObjectID: upperTimelineIndexObjectID),
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HomeTimelineViewModel.LoadMiddleState.Loading(viewModel: viewModel, upperTimelineIndexObjectID: upperTimelineIndexObjectID),
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HomeTimelineViewModel.LoadMiddleState.Fail(viewModel: viewModel, upperTimelineIndexObjectID: upperTimelineIndexObjectID),
|
|
HomeTimelineViewModel.LoadMiddleState.Success(viewModel: viewModel, upperTimelineIndexObjectID: upperTimelineIndexObjectID),
|
|
])
|
|
stateMachine.enter(HomeTimelineViewModel.LoadMiddleState.Initial.self)
|
|
dict[upperTimelineIndexObjectID] = stateMachine
|
|
viewModel.loadMiddleSateMachineList.value = dict
|
|
}
|
|
}
|
|
|
|
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 }
|
|
|
|
switch item {
|
|
case .homeMiddleLoader(let upper):
|
|
guard let stateMachine = viewModel.loadMiddleSateMachineList.value[upper] else {
|
|
assertionFailure()
|
|
return
|
|
}
|
|
stateMachine.enter(HomeTimelineViewModel.LoadMiddleState.Loading.self)
|
|
default:
|
|
assertionFailure()
|
|
}
|
|
}
|
|
}
|
|
|
|
// MARK: - ScrollViewContainer
|
|
extension HomeTimelineViewController: ScrollViewContainer {
|
|
|
|
var scrollView: UIScrollView { return tableView }
|
|
|
|
func scrollToTop(animated: Bool) {
|
|
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 }
|
|
tableView.scrollToRow(at: indexPath, at: .top, animated: true)
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// MARK: - AVPlayerViewControllerDelegate
|
|
extension HomeTimelineViewController: AVPlayerViewControllerDelegate {
|
|
|
|
func playerViewController(_ playerViewController: AVPlayerViewController, willBeginFullScreenPresentationWithAnimationCoordinator coordinator: UIViewControllerTransitionCoordinator) {
|
|
handlePlayerViewController(playerViewController, willBeginFullScreenPresentationWithAnimationCoordinator: coordinator)
|
|
}
|
|
|
|
func playerViewController(_ playerViewController: AVPlayerViewController, willEndFullScreenPresentationWithAnimationCoordinator coordinator: UIViewControllerTransitionCoordinator) {
|
|
handlePlayerViewController(playerViewController, willEndFullScreenPresentationWithAnimationCoordinator: coordinator)
|
|
}
|
|
|
|
}
|
|
|
|
// MARK: - StatusTableViewCellDelegate
|
|
extension HomeTimelineViewController: StatusTableViewCellDelegate {
|
|
weak var playerViewControllerDelegate: AVPlayerViewControllerDelegate? { return self }
|
|
func parent() -> UIViewController { return self }
|
|
}
|
|
|
|
// MARK: - HomeTimelineNavigationBarTitleViewDelegate
|
|
extension HomeTimelineViewController: HomeTimelineNavigationBarTitleViewDelegate {
|
|
func homeTimelineNavigationBarTitleView(_ titleView: HomeTimelineNavigationBarTitleView, logoButtonDidPressed sender: UIButton) {
|
|
scrollToTop(animated: true)
|
|
}
|
|
|
|
func homeTimelineNavigationBarTitleView(_ titleView: HomeTimelineNavigationBarTitleView, buttonDidPressed sender: UIButton) {
|
|
switch titleView.state {
|
|
case .newPostButton:
|
|
guard let diffableDataSource = viewModel.diffableDataSource else { return }
|
|
let indexPath = IndexPath(row: 0, section: 0)
|
|
guard diffableDataSource.itemIdentifier(for: indexPath) != nil else { return }
|
|
tableView.scrollToRow(at: indexPath, at: .top, animated: true)
|
|
case .offlineButton:
|
|
// TODO: retry
|
|
break
|
|
case .publishedButton:
|
|
break
|
|
default:
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
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)
|
|
}
|
|
}
|