695 lines
25 KiB
Swift
695 lines
25 KiB
Swift
//
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// MasterTimelineViewController.swift
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// NetNewsWire
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//
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// Created by Maurice Parker on 4/8/19.
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// Copyright © 2019 Ranchero Software. All rights reserved.
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//
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import UIKit
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import RSCore
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import Account
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import Articles
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class MasterTimelineViewController: UITableViewController, UndoableCommandRunner {
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private var titleView: MasterTimelineTitleView?
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private var numberOfTextLines = 0
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@IBOutlet weak var markAllAsReadButton: UIBarButtonItem!
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@IBOutlet weak var firstUnreadButton: UIBarButtonItem!
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private lazy var dataSource = makeDataSource()
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private let searchController = UISearchController(searchResultsController: nil)
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weak var coordinator: SceneCoordinator!
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var undoableCommands = [UndoableCommand]()
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private let keyboardManager = KeyboardManager(type: .timeline)
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override var keyCommands: [UIKeyCommand]? {
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return keyboardManager.keyCommands
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}
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override var canBecomeFirstResponder: Bool {
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return true
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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NotificationCenter.default.addObserver(self, selector: #selector(unreadCountDidChange(_:)), name: .UnreadCountDidChange, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(statusesDidChange(_:)), name: .StatusesDidChange, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(feedIconDidBecomeAvailable(_:)), name: .FeedIconDidBecomeAvailable, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(avatarDidBecomeAvailable(_:)), name: .AvatarDidBecomeAvailable, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(faviconDidBecomeAvailable(_:)), name: .FaviconDidBecomeAvailable, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(userDefaultsDidChange(_:)), name: UserDefaults.didChangeNotification, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(contentSizeCategoryDidChange), name: UIContentSizeCategory.didChangeNotification, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(displayNameDidChange), name: .DisplayNameDidChange, object: nil)
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// Setup the Search Controller
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searchController.delegate = self
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searchController.searchResultsUpdater = self
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searchController.obscuresBackgroundDuringPresentation = false
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searchController.searchBar.delegate = self
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searchController.searchBar.placeholder = NSLocalizedString("Search Articles", comment: "Search Articles")
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searchController.searchBar.scopeButtonTitles = [
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NSLocalizedString("Here", comment: "Here"),
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NSLocalizedString("All Articles", comment: "All Articles")
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]
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navigationItem.searchController = searchController
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definesPresentationContext = true
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// Configure the table
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tableView.dataSource = dataSource
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numberOfTextLines = AppDefaults.timelineNumberOfLines
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resetEstimatedRowHeight()
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resetUI()
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}
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override func viewWillAppear(_ animated: Bool) {
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applyChanges(animate: false)
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super.viewWillAppear(animated)
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}
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// MARK: Actions
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@IBAction func markAllAsRead(_ sender: Any) {
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if coordinator.displayUndoAvailableTip {
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let alertController = UndoAvailableAlertController.alert { [weak self] _ in
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self?.coordinator.displayUndoAvailableTip = false
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self?.coordinator.markAllAsReadInTimeline()
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}
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present(alertController, animated: true)
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} else {
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coordinator.markAllAsReadInTimeline()
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}
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}
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@IBAction func firstUnread(_ sender: Any) {
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coordinator.selectFirstUnread()
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}
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// MARK: Keyboard shortcuts
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@objc func selectNextUp(_ sender: Any?) {
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coordinator.selectPrevArticle()
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}
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@objc func selectNextDown(_ sender: Any?) {
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coordinator.selectNextArticle()
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}
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@objc func navigateToSidebar(_ sender: Any?) {
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coordinator.navigateToFeeds()
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}
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@objc func navigateToDetail(_ sender: Any?) {
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coordinator.navigateToDetail()
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}
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@objc func showFeedInspector(_ sender: UITapGestureRecognizer) {
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coordinator.showFeedInspector()
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}
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// MARK: API
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func restoreSelectionIfNecessary(adjustScroll: Bool) {
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if let article = coordinator.currentArticle, let indexPath = dataSource.indexPath(for: article) {
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if adjustScroll {
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tableView.selectRowAndScrollIfNotVisible(at: indexPath, animated: false)
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} else {
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tableView.selectRow(at: indexPath, animated: false, scrollPosition: .none)
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}
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}
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}
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func reinitializeArticles() {
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resetUI()
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}
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func reloadArticles(animate: Bool) {
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applyChanges(animate: animate)
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}
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func updateArticleSelection(animated: Bool) {
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if let article = coordinator.currentArticle, let indexPath = dataSource.indexPath(for: article) {
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if tableView.indexPathForSelectedRow != indexPath {
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tableView.selectRowAndScrollIfNotVisible(at: indexPath, animated: true)
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}
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} else {
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tableView.selectRow(at: nil, animated: animated, scrollPosition: .none)
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}
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updateUI()
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}
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func showSearchAll() {
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navigationItem.searchController?.isActive = true
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navigationItem.searchController?.searchBar.selectedScopeButtonIndex = 1
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navigationItem.searchController?.searchBar.becomeFirstResponder()
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}
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func focus() {
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becomeFirstResponder()
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}
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// MARK: - Table view
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override func tableView(_ tableView: UITableView, leadingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration? {
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guard let article = dataSource.itemIdentifier(for: indexPath) else { return nil }
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// Set up the read action
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let readTitle = article.status.read ?
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NSLocalizedString("Unread", comment: "Unread") :
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NSLocalizedString("Read", comment: "Read")
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let readAction = UIContextualAction(style: .normal, title: readTitle) { [weak self] (action, view, completionHandler) in
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self?.coordinator.toggleRead(article)
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completionHandler(true)
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}
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readAction.image = article.status.read ? AppAssets.circleClosedImage : AppAssets.circleOpenImage
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readAction.backgroundColor = AppAssets.primaryAccentColor
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return UISwipeActionsConfiguration(actions: [readAction])
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}
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override func tableView(_ tableView: UITableView, trailingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration? {
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guard let article = dataSource.itemIdentifier(for: indexPath) else { return nil }
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// Set up the star action
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let starTitle = article.status.starred ?
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NSLocalizedString("Unstar", comment: "Unstar") :
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NSLocalizedString("Star", comment: "Star")
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let starAction = UIContextualAction(style: .normal, title: starTitle) { [weak self] (action, view, completionHandler) in
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self?.coordinator.toggleStar(article)
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completionHandler(true)
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}
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starAction.image = article.status.starred ? AppAssets.starOpenImage : AppAssets.starClosedImage
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starAction.backgroundColor = AppAssets.starColor
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// Set up the read action
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let moreTitle = NSLocalizedString("More", comment: "More")
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let moreAction = UIContextualAction(style: .normal, title: moreTitle) { [weak self] (action, view, completionHandler) in
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if let self = self {
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let alert = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
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if let popoverController = alert.popoverPresentationController {
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popoverController.sourceView = view
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popoverController.sourceRect = CGRect(x: view.frame.size.width/2, y: view.frame.size.height/2, width: 1, height: 1)
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}
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alert.addAction(self.markOlderAsReadAlertAction(article, completionHandler: completionHandler))
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if let action = self.discloseFeedAlertAction(article, completionHandler: completionHandler) {
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alert.addAction(action)
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}
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if let action = self.markAllInFeedAsReadAlertAction(article, completionHandler: completionHandler) {
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alert.addAction(action)
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}
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if let action = self.openInBrowserAlertAction(article, completionHandler: completionHandler) {
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alert.addAction(action)
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}
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if let action = self.shareAlertAction(article, indexPath: indexPath, completionHandler: completionHandler) {
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alert.addAction(action)
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}
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let cancelTitle = NSLocalizedString("Cancel", comment: "Cancel")
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alert.addAction(UIAlertAction(title: cancelTitle, style: .cancel) { _ in
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completionHandler(true)
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})
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self.present(alert, animated: true)
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}
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}
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moreAction.image = AppAssets.moreImage
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moreAction.backgroundColor = UIColor.systemGray
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return UISwipeActionsConfiguration(actions: [starAction, moreAction])
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}
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override func tableView(_ tableView: UITableView, contextMenuConfigurationForRowAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
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guard let article = dataSource.itemIdentifier(for: indexPath) else { return nil }
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return UIContextMenuConfiguration(identifier: nil, previewProvider: nil, actionProvider: { [weak self] suggestedActions in
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guard let self = self else { return nil }
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var actions = [UIAction]()
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actions.append(self.toggleArticleReadStatusAction(article))
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actions.append(self.toggleArticleStarStatusAction(article))
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actions.append(self.markOlderAsReadAction(article))
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if let action = self.discloseFeedAction(article) {
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actions.append(action)
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}
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if let action = self.markAllInFeedAsReadAction(article) {
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actions.append(action)
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}
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if let action = self.openInBrowserAction(article) {
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actions.append(action)
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}
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if let action = self.shareAction(article, indexPath: indexPath) {
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actions.append(action)
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}
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return UIMenu(title: "", children: actions)
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})
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}
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override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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becomeFirstResponder()
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let article = dataSource.itemIdentifier(for: indexPath)
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coordinator.selectArticle(article, animated: true)
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}
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// MARK: Notifications
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@objc dynamic func unreadCountDidChange(_ notification: Notification) {
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updateUI()
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}
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@objc func statusesDidChange(_ note: Notification) {
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guard let updatedArticles = note.userInfo?[Account.UserInfoKey.articles] as? Set<Article> else {
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return
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}
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let visibleArticles = tableView.indexPathsForVisibleRows!.compactMap { return dataSource.itemIdentifier(for: $0) }
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let visibleUpdatedArticles = visibleArticles.filter { updatedArticles.contains($0) }
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for article in visibleUpdatedArticles {
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if let indexPath = dataSource.indexPath(for: article) {
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if let cell = tableView.cellForRow(at: indexPath) as? MasterTimelineTableViewCell {
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configure(cell, article: article)
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}
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}
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}
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}
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@objc func feedIconDidBecomeAvailable(_ note: Notification) {
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titleView?.avatarView.image = coordinator.timelineAvatar
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guard let feed = note.userInfo?[UserInfoKey.feed] as? Feed else {
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return
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}
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tableView.indexPathsForVisibleRows?.forEach { indexPath in
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guard let article = dataSource.itemIdentifier(for: indexPath) else {
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return
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}
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if article.feed == feed, let cell = tableView.cellForRow(at: indexPath) as? MasterTimelineTableViewCell, let image = avatarFor(article) {
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cell.setAvatarImage(image)
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}
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}
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}
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@objc func avatarDidBecomeAvailable(_ note: Notification) {
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guard coordinator.showAvatars, let avatarURL = note.userInfo?[UserInfoKey.url] as? String else {
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return
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}
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tableView.indexPathsForVisibleRows?.forEach { indexPath in
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guard let article = dataSource.itemIdentifier(for: indexPath), let authors = article.authors, !authors.isEmpty else {
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return
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}
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for author in authors {
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if author.avatarURL == avatarURL, let cell = tableView.cellForRow(at: indexPath) as? MasterTimelineTableViewCell, let image = avatarFor(article) {
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cell.setAvatarImage(image)
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}
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}
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}
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}
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@objc func faviconDidBecomeAvailable(_ note: Notification) {
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titleView?.avatarView.image = coordinator.timelineAvatar
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if coordinator.showAvatars {
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queueReloadAvailableCells()
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}
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}
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@objc func userDefaultsDidChange(_ note: Notification) {
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if numberOfTextLines != AppDefaults.timelineNumberOfLines {
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numberOfTextLines = AppDefaults.timelineNumberOfLines
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resetEstimatedRowHeight()
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reloadAllVisibleCells()
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}
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}
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@objc func contentSizeCategoryDidChange(_ note: Notification) {
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reloadAllVisibleCells()
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}
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@objc func displayNameDidChange(_ note: Notification) {
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titleView?.label.text = coordinator.timelineName
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}
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// MARK: Reloading
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func queueReloadAvailableCells() {
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CoalescingQueue.standard.add(self, #selector(reloadAllVisibleCells))
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}
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@objc private func reloadAllVisibleCells() {
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let visibleArticles = tableView.indexPathsForVisibleRows!.compactMap { return dataSource.itemIdentifier(for: $0) }
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reloadCells(visibleArticles)
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}
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private func reloadCells(_ articles: [Article]) {
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var snapshot = dataSource.snapshot()
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snapshot.reloadItems(articles)
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dataSource.apply(snapshot, animatingDifferences: false) { [weak self] in
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self?.restoreSelectionIfNecessary(adjustScroll: false)
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}
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}
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// MARK: Cell Configuring
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private func resetEstimatedRowHeight() {
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let longTitle = "But I must explain to you how all this mistaken idea of denouncing pleasure and praising pain was born and I will give you a complete account of the system, and expound the actual teachings of the great explorer of the truth, the master-builder of human happiness. No one rejects, dislikes, or avoids pleasure itself, because it is pleasure, but because those who do not know how to pursue pleasure rationally encounter consequences that are extremely painful. Nor again is there anyone who loves or pursues or desires to obtain pain of itself, because it is pain, but because occasionally circumstances occur in which toil and pain can procure him some great pleasure. To take a trivial example, which of us ever undertakes laborious physical exercise, except to obtain some advantage from it? But who has any right to find fault with a man who chooses to enjoy a pleasure that has no annoying consequences, or one who avoids a pain that produces no resultant pleasure?"
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let prototypeID = "prototype"
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let status = ArticleStatus(articleID: prototypeID, read: false, starred: false, userDeleted: false, dateArrived: Date())
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let prototypeArticle = Article(accountID: prototypeID, articleID: prototypeID, feedID: prototypeID, uniqueID: prototypeID, title: longTitle, contentHTML: nil, contentText: nil, url: nil, externalURL: nil, summary: nil, imageURL: nil, bannerImageURL: nil, datePublished: nil, dateModified: nil, authors: nil, attachments: nil, status: status)
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let prototypeCellData = MasterTimelineCellData(article: prototypeArticle, showFeedName: true, feedName: "Prototype Feed Name", avatar: nil, showAvatar: false, featuredImage: nil, numberOfLines: numberOfTextLines)
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if UIApplication.shared.preferredContentSizeCategory.isAccessibilityCategory {
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let layout = MasterTimelineAccessibilityCellLayout(width: tableView.bounds.width, insets: tableView.safeAreaInsets, cellData: prototypeCellData)
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tableView.estimatedRowHeight = layout.height
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} else {
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let layout = MasterTimelineDefaultCellLayout(width: tableView.bounds.width, insets: tableView.safeAreaInsets, cellData: prototypeCellData)
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tableView.estimatedRowHeight = layout.height
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}
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}
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}
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// MARK: Searching
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extension MasterTimelineViewController: UISearchControllerDelegate {
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func willPresentSearchController(_ searchController: UISearchController) {
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coordinator.beginSearching()
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searchController.searchBar.showsScopeBar = true
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}
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func willDismissSearchController(_ searchController: UISearchController) {
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coordinator.endSearching()
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searchController.searchBar.showsScopeBar = false
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}
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}
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extension MasterTimelineViewController: UISearchResultsUpdating {
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func updateSearchResults(for searchController: UISearchController) {
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let searchScope = SearchScope(rawValue: searchController.searchBar.selectedScopeButtonIndex)!
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coordinator.searchArticles(searchController.searchBar.text!, searchScope)
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}
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}
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extension MasterTimelineViewController: UISearchBarDelegate {
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func searchBar(_ searchBar: UISearchBar, selectedScopeButtonIndexDidChange selectedScope: Int) {
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let searchScope = SearchScope(rawValue: selectedScope)!
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coordinator.searchArticles(searchBar.text!, searchScope)
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}
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}
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// MARK: Private
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private extension MasterTimelineViewController {
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func resetUI() {
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title = coordinator.timelineName
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if let titleView = Bundle.main.loadNibNamed("MasterTimelineTitleView", owner: self, options: nil)?[0] as? MasterTimelineTitleView {
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self.titleView = titleView
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titleView.avatarView.image = coordinator.timelineAvatar
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titleView.label.text = coordinator.timelineName
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updateTitleUnreadCount()
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if coordinator.timelineFetcher is Feed {
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titleView.heightAnchor.constraint(equalToConstant: 44.0).isActive = true
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let tap = UITapGestureRecognizer(target: self, action:#selector(showFeedInspector(_:)))
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titleView.addGestureRecognizer(tap)
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}
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navigationItem.titleView = titleView
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}
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tableView.selectRow(at: nil, animated: false, scrollPosition: .top)
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if dataSource.snapshot().itemIdentifiers(inSection: 0).count > 0 {
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tableView.scrollToRow(at: IndexPath(row: 0, section: 0), at: .top, animated: false)
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}
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updateToolbar()
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}
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func updateUI() {
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updateTitleUnreadCount()
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updateToolbar()
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}
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func updateToolbar() {
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markAllAsReadButton.isEnabled = coordinator.isTimelineUnreadAvailable
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firstUnreadButton.isEnabled = coordinator.isTimelineUnreadAvailable
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}
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func updateTitleUnreadCount() {
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if let unreadCountProvider = coordinator.timelineFetcher as? UnreadCountProvider {
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self.titleView?.unreadCountView.unreadCount = unreadCountProvider.unreadCount
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}
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}
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func applyChanges(animate: Bool, completion: (() -> Void)? = nil) {
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var snapshot = NSDiffableDataSourceSnapshot<Int, Article>()
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snapshot.appendSections([0])
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snapshot.appendItems(coordinator.articles, toSection: 0)
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dataSource.apply(snapshot, animatingDifferences: animate) { [weak self] in
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self?.restoreSelectionIfNecessary(adjustScroll: false)
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completion?()
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}
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}
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func makeDataSource() -> UITableViewDiffableDataSource<Int, Article> {
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return MasterTimelineDataSource(coordinator: coordinator, tableView: tableView, cellProvider: { [weak self] tableView, indexPath, article in
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let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath) as! MasterTimelineTableViewCell
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self?.configure(cell, article: article)
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return cell
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})
|
|
}
|
|
|
|
func configure(_ cell: MasterTimelineTableViewCell, article: Article) {
|
|
|
|
let avatar = avatarFor(article)
|
|
let featuredImage = featuredImageFor(article)
|
|
|
|
let showFeedNames = coordinator.showFeedNames
|
|
let showAvatar = coordinator.showAvatars && avatar != nil
|
|
cell.cellData = MasterTimelineCellData(article: article, showFeedName: showFeedNames, feedName: article.feed?.nameForDisplay, avatar: avatar, showAvatar: showAvatar, featuredImage: featuredImage, numberOfLines: numberOfTextLines)
|
|
|
|
}
|
|
|
|
func avatarFor(_ article: Article) -> RSImage? {
|
|
if !coordinator.showAvatars {
|
|
return nil
|
|
}
|
|
return article.avatarImage()
|
|
}
|
|
|
|
func featuredImageFor(_ article: Article) -> UIImage? {
|
|
if let url = article.imageURL, let data = appDelegate.imageDownloader.image(for: url) {
|
|
return RSImage(data: data)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func toggleArticleReadStatusAction(_ article: Article) -> UIAction {
|
|
|
|
let title = article.status.read ?
|
|
NSLocalizedString("Mark as Unread", comment: "Mark as Unread") :
|
|
NSLocalizedString("Mark as Read", comment: "Mark as Read")
|
|
let image = article.status.read ? AppAssets.circleClosedImage : AppAssets.circleOpenImage
|
|
|
|
let action = UIAction(title: title, image: image) { [weak self] action in
|
|
self?.coordinator.toggleRead(article)
|
|
}
|
|
|
|
return action
|
|
}
|
|
|
|
func toggleArticleStarStatusAction(_ article: Article) -> UIAction {
|
|
|
|
let title = article.status.starred ?
|
|
NSLocalizedString("Mark as Unstarred", comment: "Mark as Unstarred") :
|
|
NSLocalizedString("Mark as Starred", comment: "Mark as Starred")
|
|
let image = article.status.starred ? AppAssets.starOpenImage : AppAssets.starClosedImage
|
|
|
|
let action = UIAction(title: title, image: image) { [weak self] action in
|
|
self?.coordinator.toggleStar(article)
|
|
}
|
|
|
|
return action
|
|
}
|
|
|
|
func markOlderAsReadAction(_ article: Article) -> UIAction {
|
|
let title = NSLocalizedString("Mark Older as Read", comment: "Mark Older as Read")
|
|
let image = coordinator.sortDirection == .orderedDescending ? AppAssets.markOlderAsReadDownImage : AppAssets.markOlderAsReadUpImage
|
|
let action = UIAction(title: title, image: image) { [weak self] action in
|
|
self?.coordinator.markAsReadOlderArticlesInTimeline(article)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func markOlderAsReadAlertAction(_ article: Article, completionHandler: @escaping (Bool) -> Void) -> UIAlertAction {
|
|
let title = NSLocalizedString("Mark Older as Read", comment: "Mark Older as Read")
|
|
let action = UIAlertAction(title: title, style: .default) { [weak self] action in
|
|
self?.coordinator.markAsReadOlderArticlesInTimeline(article)
|
|
completionHandler(true)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func discloseFeedAction(_ article: Article) -> UIAction? {
|
|
guard let feed = article.feed else { return nil }
|
|
|
|
let title = NSLocalizedString("Select Feed", comment: "Select Feed")
|
|
let action = UIAction(title: title, image: AppAssets.openInSidebarImage) { [weak self] action in
|
|
self?.coordinator.discloseFeed(feed)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func discloseFeedAlertAction(_ article: Article, completionHandler: @escaping (Bool) -> Void) -> UIAlertAction? {
|
|
guard let feed = article.feed else { return nil }
|
|
|
|
let title = NSLocalizedString("Select Feed", comment: "Select Feed")
|
|
let action = UIAlertAction(title: title, style: .default) { [weak self] action in
|
|
self?.coordinator.discloseFeed(feed)
|
|
completionHandler(true)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func markAllInFeedAsReadAction(_ article: Article) -> UIAction? {
|
|
guard let feed = article.feed else { return nil }
|
|
|
|
let articles = Array(feed.fetchArticles())
|
|
guard articles.canMarkAllAsRead() else {
|
|
return nil
|
|
}
|
|
|
|
let localizedMenuText = NSLocalizedString("Mark All as Read in “%@”", comment: "Command")
|
|
let title = NSString.localizedStringWithFormat(localizedMenuText as NSString, feed.nameForDisplay) as String
|
|
|
|
let action = UIAction(title: title, image: AppAssets.markAllInFeedAsReadImage) { [weak self] action in
|
|
self?.coordinator.markAllAsRead(articles)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func markAllInFeedAsReadAlertAction(_ article: Article, completionHandler: @escaping (Bool) -> Void) -> UIAlertAction? {
|
|
guard let feed = article.feed else { return nil }
|
|
|
|
let articles = Array(feed.fetchArticles())
|
|
guard articles.canMarkAllAsRead() else {
|
|
return nil
|
|
}
|
|
|
|
let localizedMenuText = NSLocalizedString("Mark All as Read in “%@”", comment: "Mark All as Read in Feed")
|
|
let title = NSString.localizedStringWithFormat(localizedMenuText as NSString, feed.nameForDisplay) as String
|
|
|
|
let action = UIAlertAction(title: title, style: .default) { [weak self] action in
|
|
self?.coordinator.markAllAsRead(articles)
|
|
completionHandler(true)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func openInBrowserAction(_ article: Article) -> UIAction? {
|
|
guard let preferredLink = article.preferredLink, let _ = URL(string: preferredLink) else {
|
|
return nil
|
|
}
|
|
let title = NSLocalizedString("Open in Browser", comment: "Open in Browser")
|
|
let action = UIAction(title: title, image: AppAssets.safariImage) { [weak self] action in
|
|
self?.coordinator.showBrowserForArticle(article)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func openInBrowserAlertAction(_ article: Article, completionHandler: @escaping (Bool) -> Void) -> UIAlertAction? {
|
|
guard let preferredLink = article.preferredLink, let _ = URL(string: preferredLink) else {
|
|
return nil
|
|
}
|
|
let title = NSLocalizedString("Open in Browser", comment: "Open in Browser")
|
|
let action = UIAlertAction(title: title, style: .default) { [weak self] action in
|
|
self?.coordinator.showBrowserForArticle(article)
|
|
completionHandler(true)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func shareDialogForTableCell(indexPath: IndexPath, url: URL, title: String?) {
|
|
let itemSource = ArticleActivityItemSource(url: url, subject: title)
|
|
let activityViewController = UIActivityViewController(activityItems: [itemSource], applicationActivities: nil)
|
|
|
|
guard let cell = tableView.cellForRow(at: indexPath) else { return }
|
|
let popoverController = activityViewController.popoverPresentationController
|
|
popoverController?.sourceView = cell
|
|
popoverController?.sourceRect = CGRect(x: 0, y: 0, width: cell.frame.size.width, height: cell.frame.size.height)
|
|
|
|
present(activityViewController, animated: true)
|
|
}
|
|
|
|
func shareAction(_ article: Article, indexPath: IndexPath) -> UIAction? {
|
|
guard let preferredLink = article.preferredLink, let url = URL(string: preferredLink) else {
|
|
return nil
|
|
}
|
|
|
|
let title = NSLocalizedString("Share", comment: "Share")
|
|
let action = UIAction(title: title, image: AppAssets.shareImage) { [weak self] action in
|
|
self?.shareDialogForTableCell(indexPath: indexPath, url: url, title: article.title)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func shareAlertAction(_ article: Article, indexPath: IndexPath, completionHandler: @escaping (Bool) -> Void) -> UIAlertAction? {
|
|
guard let preferredLink = article.preferredLink, let url = URL(string: preferredLink) else {
|
|
return nil
|
|
}
|
|
|
|
let title = NSLocalizedString("Share", comment: "Share")
|
|
let action = UIAlertAction(title: title, style: .default) { [weak self] action in
|
|
completionHandler(true)
|
|
self?.shareDialogForTableCell(indexPath: indexPath, url: url, title: article.title)
|
|
}
|
|
return action
|
|
}
|
|
|
|
}
|