1023 lines
33 KiB
Swift
1023 lines
33 KiB
Swift
//
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// MasterViewController.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 Account
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import Articles
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import RSCore
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import RSTree
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class MasterFeedViewController: UITableViewController, UndoableCommandRunner {
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private var refreshProgressView: RefreshProgressView?
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private var addNewItemButton: UIBarButtonItem!
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private lazy var dataSource = makeDataSource()
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var undoableCommands = [UndoableCommand]()
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weak var coordinator: SceneCoordinator!
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private let keyboardManager = KeyboardManager(type: .sidebar)
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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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if traitCollection.userInterfaceIdiom == .phone {
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navigationController?.navigationBar.prefersLargeTitles = true
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}
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navigationItem.rightBarButtonItem = editButtonItem
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// If you don't have an empty table header, UIKit tries to help out by putting one in for you
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// that makes a gap between the first section header and the navigation bar
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var frame = CGRect.zero
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frame.size.height = .leastNormalMagnitude
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tableView.tableHeaderView = UIView(frame: frame)
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tableView.register(MasterFeedTableViewSectionHeader.self, forHeaderFooterViewReuseIdentifier: "SectionHeader")
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tableView.dataSource = dataSource
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resetEstimatedRowHeight()
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tableView.separatorStyle = .none
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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(faviconDidBecomeAvailable(_:)), name: .FaviconDidBecomeAvailable, 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(feedSettingDidChange(_:)), name: .FeedSettingDidChange, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(feedMetadataDidChange(_:)), name: .FeedMetadataDidChange, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(userDidAddFeed(_:)), name: .UserDidAddFeed, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(contentSizeCategoryDidChange), name: UIContentSizeCategory.didChangeNotification, object: nil)
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refreshControl = UIRefreshControl()
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refreshControl!.addTarget(self, action: #selector(refreshAccounts(_:)), for: .valueChanged)
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configureToolbar()
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becomeFirstResponder()
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}
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override func viewWillAppear(_ animated: Bool) {
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navigationController?.title = NSLocalizedString("Feeds", comment: "Feeds")
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applyChanges(animate: false)
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updateUI()
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super.viewWillAppear(animated)
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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tableView.layer.speed = AppAssets.layerSpeed
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}
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// MARK: Notifications
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@objc func unreadCountDidChange(_ note: Notification) {
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updateUI()
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guard let representedObject = note.object else {
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return
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}
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if let account = representedObject as? Account {
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if let node = coordinator.rootNode.childNodeRepresentingObject(account) {
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let sectionIndex = coordinator.rootNode.indexOfChild(node)!
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if let headerView = tableView.headerView(forSection: sectionIndex) as? MasterFeedTableViewSectionHeader {
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headerView.unreadCount = account.unreadCount
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}
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}
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return
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}
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var node: Node? = nil
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if let coordinator = representedObject as? SceneCoordinator, let fetcher = coordinator.timelineFetcher {
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node = coordinator.rootNode.descendantNodeRepresentingObject(fetcher as AnyObject)
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} else {
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node = coordinator.rootNode.descendantNodeRepresentingObject(representedObject as AnyObject)
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}
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if let node = node, dataSource.indexPath(for: node) != nil {
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reloadNode(node)
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}
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}
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@objc func faviconDidBecomeAvailable(_ note: Notification) {
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applyToAvailableCells(configureAvatar)
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}
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@objc func feedIconDidBecomeAvailable(_ note: Notification) {
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applyToAvailableCells(configureAvatar)
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}
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@objc func feedSettingDidChange(_ note: Notification) {
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guard let feed = note.object as? Feed, let key = note.userInfo?[Feed.FeedSettingUserInfoKey] as? String else {
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return
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}
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if key == Feed.FeedSettingKey.homePageURL || key == Feed.FeedSettingKey.faviconURL {
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configureCellsForRepresentedObject(feed)
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}
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}
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@objc func feedMetadataDidChange(_ note: Notification) {
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reloadAllVisibleCells()
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}
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@objc func userDidAddFeed(_ notification: Notification) {
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guard let feed = notification.userInfo?[UserInfoKey.feed] as? Feed else {
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return
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}
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discloseFeed(feed, animated: true)
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}
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@objc func contentSizeCategoryDidChange(_ note: Notification) {
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resetEstimatedRowHeight()
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applyChanges(animate: false)
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}
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// MARK: Table View
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override func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
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guard let nameProvider = coordinator.rootNode.childAtIndex(section)?.representedObject as? DisplayNameProvider else {
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return 44
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}
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let headerView = MasterFeedTableViewSectionHeader()
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headerView.name = nameProvider.nameForDisplay
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let size = headerView.sizeThatFits(CGSize(width: tableView.bounds.width, height: 0.0))
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return size.height
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}
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override func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
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guard let nameProvider = coordinator.rootNode.childAtIndex(section)?.representedObject as? DisplayNameProvider else {
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return nil
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}
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let headerView = tableView.dequeueReusableHeaderFooterView(withIdentifier: "SectionHeader") as! MasterFeedTableViewSectionHeader
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headerView.name = nameProvider.nameForDisplay
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guard let sectionNode = coordinator.rootNode.childAtIndex(section) else {
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return headerView
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}
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if let account = sectionNode.representedObject as? Account {
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headerView.unreadCount = account.unreadCount
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} else {
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headerView.unreadCount = 0
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}
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headerView.tag = section
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headerView.disclosureExpanded = sectionNode.isExpanded
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if section == tableView.numberOfSections - 1 {
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headerView.isLastSection = true
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} else {
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headerView.isLastSection = false
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}
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let tap = UITapGestureRecognizer(target: self, action:#selector(self.toggleSectionHeader(_:)))
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headerView.addGestureRecognizer(tap)
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if section != 0 {
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headerView.addInteraction(UIContextMenuInteraction(delegate: self))
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}
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return headerView
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}
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override func tableView(_ tableView: UITableView, heightForFooterInSection section: Int) -> CGFloat {
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return CGFloat.leastNormalMagnitude
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}
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override func tableView(_ tableView: UITableView, viewForFooterInSection section: Int) -> UIView? {
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return UIView(frame: CGRect.zero)
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}
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override func tableView(_ tableView: UITableView, trailingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration? {
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var actions = [UIContextualAction]()
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// Set up the delete action
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let deleteTitle = NSLocalizedString("Delete", comment: "Delete")
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let deleteAction = UIContextualAction(style: .normal, title: deleteTitle) { [weak self] (action, view, completionHandler) in
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self?.delete(indexPath: indexPath)
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completionHandler(true)
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}
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deleteAction.backgroundColor = UIColor.systemRed
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actions.append(deleteAction)
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// Set up the rename action
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let renameTitle = NSLocalizedString("Rename", comment: "Rename")
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let renameAction = UIContextualAction(style: .normal, title: renameTitle) { [weak self] (action, view, completionHandler) in
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self?.rename(indexPath: indexPath)
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completionHandler(true)
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}
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renameAction.backgroundColor = UIColor.systemOrange
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actions.append(renameAction)
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if let feed = dataSource.itemIdentifier(for: indexPath)?.representedObject as? Feed {
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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: feed.nameForDisplay, 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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if let action = self.getInfoAlertAction(indexPath: indexPath, completionHandler: completionHandler) {
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alert.addAction(action)
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}
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if let action = self.homePageAlertAction(indexPath: indexPath, completionHandler: completionHandler) {
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alert.addAction(action)
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}
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if let action = self.copyFeedPageAlertAction(indexPath: indexPath, completionHandler: completionHandler) {
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alert.addAction(action)
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}
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if let action = self.copyHomePageAlertAction(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.backgroundColor = UIColor.systemGray
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actions.append(moreAction)
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}
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return UISwipeActionsConfiguration(actions: actions)
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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 node = dataSource.itemIdentifier(for: indexPath), !(node.representedObject is PseudoFeed) else {
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return nil
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}
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if node.representedObject is Feed {
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return makeFeedContextMenu(indexPath: indexPath, includeDeleteRename: true)
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} else {
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return makeFolderContextMenu(indexPath: indexPath)
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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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coordinator.selectFeed(indexPath, animated: true)
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}
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override func tableView(_ tableView: UITableView, targetIndexPathForMoveFromRowAt sourceIndexPath: IndexPath, toProposedIndexPath proposedDestinationIndexPath: IndexPath) -> IndexPath {
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// Adjust the index path so that it will never be in the smart feeds area
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let destIndexPath: IndexPath = {
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if proposedDestinationIndexPath.section == 0 {
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return IndexPath(row: 0, section: 1)
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}
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return coordinator.cappedIndexPath(proposedDestinationIndexPath)
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}()
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guard let draggedNode = dataSource.itemIdentifier(for: sourceIndexPath), let destNode = dataSource.itemIdentifier(for: destIndexPath), let parentNode = destNode.parent else {
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assertionFailure("This should never happen")
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return sourceIndexPath
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}
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// If this is a folder and isn't expanded or doesn't have any entries, let the users drop on it
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if destNode.representedObject is Folder && (destNode.numberOfChildNodes == 0 || !destNode.isExpanded) {
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let movementAdjustment = sourceIndexPath > destIndexPath ? 1 : 0
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return IndexPath(row: destIndexPath.row + movementAdjustment, section: destIndexPath.section)
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}
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// If we are dragging around in the same container, just return the original source
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if parentNode.childNodes.contains(draggedNode) {
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return sourceIndexPath
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}
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// Suggest to the user the best place to drop the feed
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// Revisit if the tree controller can ever be sorted in some other way.
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let nodes = parentNode.childNodes + [draggedNode]
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var sortedNodes = nodes.sortedAlphabeticallyWithFoldersAtEnd()
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let index = sortedNodes.firstIndex(of: draggedNode)!
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if index == 0 {
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if parentNode.representedObject is Account {
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return IndexPath(row: 0, section: destIndexPath.section)
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} else {
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return dataSource.indexPath(for: parentNode)!
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}
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} else {
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sortedNodes.remove(at: index)
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let movementAdjustment = sourceIndexPath < destIndexPath ? 1 : 0
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let adjustedIndex = index - movementAdjustment
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if adjustedIndex >= sortedNodes.count {
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let lastSortedIndexPath = dataSource.indexPath(for: sortedNodes[sortedNodes.count - 1])!
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return IndexPath(row: lastSortedIndexPath.row + 1, section: lastSortedIndexPath.section)
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} else {
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return dataSource.indexPath(for: sortedNodes[adjustedIndex])!
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}
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}
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}
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// MARK: Actions
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@IBAction func settings(_ sender: UIBarButtonItem) {
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coordinator.showSettings()
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}
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@IBAction func add(_ sender: UIBarButtonItem) {
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coordinator.showAdd(.feed)
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}
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@objc func toggleSectionHeader(_ sender: UITapGestureRecognizer) {
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guard let sectionIndex = sender.view?.tag,
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let sectionNode = coordinator.rootNode.childAtIndex(sectionIndex),
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let headerView = sender.view as? MasterFeedTableViewSectionHeader
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else {
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return
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}
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if sectionNode.isExpanded {
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headerView.disclosureExpanded = false
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coordinator.collapse(sectionNode)
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self.applyChanges(animate: true)
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} else {
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headerView.disclosureExpanded = true
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coordinator.expand(sectionNode)
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self.applyChanges(animate: true)
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}
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}
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@objc func refreshAccounts(_ sender: Any) {
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refreshControl?.endRefreshing()
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// This is a hack to make sure that an error dialog doesn't interfere with dismissing the refreshControl.
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// If the error dialog appears too closely to the call to endRefreshing, then the refreshControl never disappears.
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DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
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AccountManager.shared.refreshAll(errorHandler: ErrorHandler.present(self))
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}
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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.selectPrevFeed()
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}
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@objc func selectNextDown(_ sender: Any?) {
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coordinator.selectNextFeed()
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}
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@objc func navigateToTimeline(_ sender: Any?) {
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coordinator.navigateToTimeline()
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}
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@objc func openInBrowser(_ sender: Any?) {
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coordinator.showBrowserForCurrentFeed()
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}
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@objc override func delete(_ sender: Any?) {
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if let indexPath = coordinator.currentFeedIndexPath {
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delete(indexPath: indexPath)
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}
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}
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@objc func expandSelectedRows(_ sender: Any?) {
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if let indexPath = coordinator.currentFeedIndexPath, let node = dataSource.itemIdentifier(for: indexPath) {
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coordinator.expand(node)
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self.applyChanges(animate: true) {
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self.reloadAllVisibleCells()
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}
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}
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}
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@objc func collapseSelectedRows(_ sender: Any?) {
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if let indexPath = coordinator.currentFeedIndexPath, let node = dataSource.itemIdentifier(for: indexPath) {
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coordinator.collapse(node)
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self.applyChanges(animate: true) {
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self.reloadAllVisibleCells()
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}
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}
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}
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@objc func expandAll(_ sender: Any?) {
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coordinator.expandAllSectionsAndFolders()
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self.applyChanges(animate: true) {
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self.reloadAllVisibleCells()
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}
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}
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@objc func collapseAllExceptForGroupItems(_ sender: Any?) {
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coordinator.collapseAllFolders()
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self.applyChanges(animate: true) {
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self.reloadAllVisibleCells()
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}
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}
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// MARK: API
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func restoreSelectionIfNecessary(adjustScroll: Bool) {
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if let indexPath = coordinator.masterFeedIndexPathForCurrentTimeline() {
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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 updateFeedSelection() {
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if dataSource.snapshot().numberOfItems > 0 {
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if let indexPath = coordinator.currentFeedIndexPath {
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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: true, scrollPosition: .none)
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}
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}
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}
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func reloadFeeds() {
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updateUI()
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// We have to reload all the visible cells because if we got here by doing a table cell move,
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// then the table itself is in a weird state. This is because we do unusual things like allowing
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// drops on a "folder" that should cause the dropped cell to disappear.
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applyChanges(animate: true) { [weak self] in
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self?.reloadAllVisibleCells()
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}
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}
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func ensureSectionIsExpanded(_ sectionIndex: Int, completion: (() -> Void)? = nil) {
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guard let sectionNode = coordinator.rootNode.childAtIndex(sectionIndex) else {
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return
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}
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if !sectionNode.isExpanded {
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coordinator.expand(sectionNode)
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self.applyChanges(animate: true) {
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completion?()
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}
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} else {
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completion?()
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}
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}
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func discloseFeed(_ feed: Feed, animated: Bool, completion: (() -> Void)? = nil) {
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guard let node = coordinator.rootNode.descendantNodeRepresentingObject(feed as AnyObject) else {
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completion?()
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return
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}
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if let indexPath = dataSource.indexPath(for: node) {
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coordinator.selectFeed(indexPath, animated: animated)
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completion?()
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return
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}
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// It wasn't already visable, so expand its folder and try again
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guard let parent = node.parent else {
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completion?()
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return
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}
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coordinator.expand(parent)
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self.applyChanges(animate: true, adjustScroll: true) { [weak self] in
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if let indexPath = self?.dataSource.indexPath(for: node) {
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self?.coordinator.selectFeed(indexPath, animated: animated)
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completion?()
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}
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}
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}
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func focus() {
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becomeFirstResponder()
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}
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}
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// MARK: UIContextMenuInteractionDelegate
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|
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extension MasterFeedViewController: UIContextMenuInteractionDelegate {
|
|
func contextMenuInteraction(_ interaction: UIContextMenuInteraction, configurationForMenuAtLocation location: CGPoint) -> UIContextMenuConfiguration? {
|
|
|
|
guard let sectionIndex = interaction.view?.tag,
|
|
let sectionNode = coordinator.rootNode.childAtIndex(sectionIndex),
|
|
let account = sectionNode.representedObject as? Account
|
|
else {
|
|
return nil
|
|
}
|
|
|
|
return UIContextMenuConfiguration(identifier: nil, previewProvider: nil) { suggestedActions in
|
|
let accountInfoAction = self.getAccountInfoAction(account: account)
|
|
let deactivateAction = self.deactivateAccountAction(account: account)
|
|
return UIMenu(title: "", children: [accountInfoAction, deactivateAction])
|
|
}
|
|
}
|
|
}
|
|
|
|
// MARK: MasterTableViewCellDelegate
|
|
|
|
extension MasterFeedViewController: MasterFeedTableViewCellDelegate {
|
|
|
|
func disclosureSelected(_ sender: MasterFeedTableViewCell, expanding: Bool) {
|
|
if expanding {
|
|
expand(sender)
|
|
} else {
|
|
collapse(sender)
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// MARK: Private
|
|
|
|
private extension MasterFeedViewController {
|
|
|
|
func configureToolbar() {
|
|
guard let refreshProgressView = Bundle.main.loadNibNamed("RefreshProgressView", owner: self, options: nil)?[0] as? RefreshProgressView else {
|
|
return
|
|
}
|
|
|
|
self.refreshProgressView = refreshProgressView
|
|
|
|
let refreshProgressItemButton = UIBarButtonItem(customView: refreshProgressView)
|
|
let spaceItemButton = UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil)
|
|
addNewItemButton = UIBarButtonItem(barButtonSystemItem: .add, target: self, action: #selector(add(_:)))
|
|
setToolbarItems([refreshProgressItemButton, spaceItemButton, addNewItemButton], animated: false)
|
|
}
|
|
|
|
func updateUI() {
|
|
refreshProgressView?.updateRefreshLabel()
|
|
addNewItemButton?.isEnabled = !AccountManager.shared.activeAccounts.isEmpty
|
|
}
|
|
|
|
func reloadNode(_ node: Node) {
|
|
var snapshot = dataSource.snapshot()
|
|
snapshot.reloadItems([node])
|
|
dataSource.apply(snapshot, animatingDifferences: false) { [weak self] in
|
|
self?.restoreSelectionIfNecessary(adjustScroll: false)
|
|
}
|
|
}
|
|
|
|
func applyChanges(animate: Bool, adjustScroll: Bool = false, completion: (() -> Void)? = nil) {
|
|
var snapshot = NSDiffableDataSourceSnapshot<Node, Node>()
|
|
let sectionNodes = coordinator.rootNode.childNodes
|
|
snapshot.appendSections(sectionNodes)
|
|
|
|
for (index, sectionNode) in sectionNodes.enumerated() {
|
|
let shadowTableNodes = coordinator.shadowNodesFor(section: index)
|
|
snapshot.appendItems(shadowTableNodes, toSection: sectionNode)
|
|
}
|
|
|
|
dataSource.apply(snapshot, animatingDifferences: animate) { [weak self] in
|
|
self?.restoreSelectionIfNecessary(adjustScroll: adjustScroll)
|
|
completion?()
|
|
}
|
|
}
|
|
|
|
func makeDataSource() -> UITableViewDiffableDataSource<Node, Node> {
|
|
return MasterFeedDataSource(coordinator: coordinator, errorHandler: ErrorHandler.present(self), tableView: tableView, cellProvider: { [weak self] tableView, indexPath, node in
|
|
let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath) as! MasterFeedTableViewCell
|
|
self?.configure(cell, node)
|
|
return cell
|
|
})
|
|
}
|
|
|
|
func resetEstimatedRowHeight() {
|
|
let titleLabel = NonIntrinsicLabel()
|
|
titleLabel.text = "But I must explain"
|
|
|
|
let unreadCountView = MasterFeedUnreadCountView()
|
|
unreadCountView.unreadCount = 10
|
|
|
|
let layout = MasterFeedTableViewCellLayout(cellWidth: tableView.bounds.size.width, insets: tableView.safeAreaInsets, label: titleLabel, unreadCountView: unreadCountView, showingEditingControl: false, indent: false, shouldShowDisclosure: false)
|
|
tableView.estimatedRowHeight = layout.height
|
|
}
|
|
|
|
func configure(_ cell: MasterFeedTableViewCell, _ node: Node) {
|
|
|
|
cell.delegate = self
|
|
if node.representedObject is Folder {
|
|
cell.indentationLevel = 0
|
|
} else {
|
|
cell.indentationLevel = 1
|
|
}
|
|
cell.setDisclosure(isExpanded: node.isExpanded, animated: false)
|
|
cell.isDisclosureAvailable = node.canHaveChildNodes
|
|
|
|
cell.name = nameFor(node)
|
|
cell.unreadCount = coordinator.unreadCountFor(node)
|
|
configureAvatar(cell, node)
|
|
|
|
guard let indexPath = dataSource.indexPath(for: node) else { return }
|
|
let rowsInSection = tableView.numberOfRows(inSection: indexPath.section)
|
|
if indexPath.row == rowsInSection - 1 {
|
|
cell.isSeparatorShown = false
|
|
} else {
|
|
cell.isSeparatorShown = true
|
|
}
|
|
|
|
}
|
|
|
|
func configureAvatar(_ cell: MasterFeedTableViewCell, _ node: Node) {
|
|
cell.avatarImage = imageFor(node)
|
|
}
|
|
|
|
func imageFor(_ node: Node) -> UIImage? {
|
|
if let feed = node.representedObject as? Feed {
|
|
|
|
let feedIconImage = appDelegate.feedIconDownloader.icon(for: feed)
|
|
if feedIconImage != nil {
|
|
return feedIconImage
|
|
}
|
|
|
|
if let faviconImage = appDelegate.faviconDownloader.favicon(for: feed) {
|
|
return faviconImage
|
|
}
|
|
|
|
}
|
|
|
|
if let smallIconProvider = node.representedObject as? SmallIconProvider {
|
|
return smallIconProvider.smallIcon
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func nameFor(_ node: Node) -> String {
|
|
if let displayNameProvider = node.representedObject as? DisplayNameProvider {
|
|
return displayNameProvider.nameForDisplay
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func configureCellsForRepresentedObject(_ representedObject: AnyObject) {
|
|
applyToCellsForRepresentedObject(representedObject, configure)
|
|
}
|
|
|
|
func applyToCellsForRepresentedObject(_ representedObject: AnyObject, _ callback: (MasterFeedTableViewCell, Node) -> Void) {
|
|
applyToAvailableCells { (cell, node) in
|
|
if node.representedObject === representedObject {
|
|
callback(cell, node)
|
|
}
|
|
}
|
|
}
|
|
|
|
func applyToAvailableCells(_ callback: (MasterFeedTableViewCell, Node) -> Void) {
|
|
tableView.visibleCells.forEach { cell in
|
|
guard let indexPath = tableView.indexPath(for: cell), let node = dataSource.itemIdentifier(for: indexPath) else {
|
|
return
|
|
}
|
|
callback(cell as! MasterFeedTableViewCell, node)
|
|
}
|
|
}
|
|
|
|
private func reloadAllVisibleCells() {
|
|
let visibleNodes = tableView.indexPathsForVisibleRows!.compactMap { return dataSource.itemIdentifier(for: $0) }
|
|
reloadCells(visibleNodes)
|
|
}
|
|
|
|
private func reloadCells(_ nodes: [Node]) {
|
|
var snapshot = dataSource.snapshot()
|
|
snapshot.reloadItems(nodes)
|
|
dataSource.apply(snapshot, animatingDifferences: false) { [weak self] in
|
|
self?.restoreSelectionIfNecessary(adjustScroll: false)
|
|
}
|
|
}
|
|
|
|
private func accountForNode(_ node: Node) -> Account? {
|
|
if let account = node.representedObject as? Account {
|
|
return account
|
|
}
|
|
if let folder = node.representedObject as? Folder {
|
|
return folder.account
|
|
}
|
|
if let feed = node.representedObject as? Feed {
|
|
return feed.account
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func expand(_ cell: MasterFeedTableViewCell) {
|
|
guard let indexPath = tableView.indexPath(for: cell), let node = dataSource.itemIdentifier(for: indexPath) else {
|
|
return
|
|
}
|
|
coordinator.expand(node)
|
|
applyChanges(animate: true) { [weak self] in
|
|
self?.reloadNode(node)
|
|
}
|
|
}
|
|
|
|
func collapse(_ cell: MasterFeedTableViewCell) {
|
|
guard let indexPath = tableView.indexPath(for: cell), let node = dataSource.itemIdentifier(for: indexPath) else {
|
|
return
|
|
}
|
|
coordinator.collapse(node)
|
|
applyChanges(animate: true) { [weak self] in
|
|
self?.reloadNode(node)
|
|
}
|
|
}
|
|
|
|
func makeFeedContextMenu(indexPath: IndexPath, includeDeleteRename: Bool) -> UIContextMenuConfiguration {
|
|
return UIContextMenuConfiguration(identifier: nil, previewProvider: nil, actionProvider: { [ weak self] suggestedActions in
|
|
|
|
guard let self = self else { return nil }
|
|
|
|
var actions = [UIAction]()
|
|
|
|
if let inspectorAction = self.getInfoAction(indexPath: indexPath) {
|
|
actions.append(inspectorAction)
|
|
}
|
|
|
|
if let homePageAction = self.homePageAction(indexPath: indexPath) {
|
|
actions.append(homePageAction)
|
|
}
|
|
|
|
if let copyFeedPageAction = self.copyFeedPageAction(indexPath: indexPath) {
|
|
actions.append(copyFeedPageAction)
|
|
}
|
|
|
|
if let copyHomePageAction = self.copyHomePageAction(indexPath: indexPath) {
|
|
actions.append(copyHomePageAction)
|
|
}
|
|
|
|
if includeDeleteRename {
|
|
actions.append(self.deleteAction(indexPath: indexPath))
|
|
actions.append(self.renameAction(indexPath: indexPath))
|
|
}
|
|
|
|
return UIMenu(title: "", children: actions)
|
|
|
|
})
|
|
|
|
}
|
|
|
|
func makeFolderContextMenu(indexPath: IndexPath) -> UIContextMenuConfiguration {
|
|
return UIContextMenuConfiguration(identifier: nil, previewProvider: nil, actionProvider: { [weak self] suggestedActions in
|
|
|
|
guard let self = self else { return nil }
|
|
|
|
var actions = [UIAction]()
|
|
actions.append(self.deleteAction(indexPath: indexPath))
|
|
actions.append(self.renameAction(indexPath: indexPath))
|
|
|
|
return UIMenu(title: "", children: actions)
|
|
|
|
})
|
|
}
|
|
|
|
func homePageAction(indexPath: IndexPath) -> UIAction? {
|
|
guard coordinator.homePageURLForFeed(indexPath) != nil else {
|
|
return nil
|
|
}
|
|
|
|
let title = NSLocalizedString("Open Home Page", comment: "Open Home Page")
|
|
let action = UIAction(title: title, image: AppAssets.safariImage) { [weak self] action in
|
|
self?.coordinator.showBrowserForFeed(indexPath)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func homePageAlertAction(indexPath: IndexPath, completionHandler: @escaping (Bool) -> Void) -> UIAlertAction? {
|
|
guard coordinator.homePageURLForFeed(indexPath) != nil else {
|
|
return nil
|
|
}
|
|
|
|
let title = NSLocalizedString("Open Home Page", comment: "Open Home Page")
|
|
let action = UIAlertAction(title: title, style: .default) { [weak self] action in
|
|
self?.coordinator.showBrowserForFeed(indexPath)
|
|
completionHandler(true)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func copyFeedPageAction(indexPath: IndexPath) -> UIAction? {
|
|
guard let node = dataSource.itemIdentifier(for: indexPath),
|
|
let feed = node.representedObject as? Feed,
|
|
let url = URL(string: feed.url) else {
|
|
return nil
|
|
}
|
|
|
|
let title = NSLocalizedString("Copy Feed URL", comment: "Copy Feed URL")
|
|
let action = UIAction(title: title, image: AppAssets.copyImage) { action in
|
|
UIPasteboard.general.url = url
|
|
}
|
|
return action
|
|
}
|
|
|
|
func copyFeedPageAlertAction(indexPath: IndexPath, completionHandler: @escaping (Bool) -> Void) -> UIAlertAction? {
|
|
guard let node = dataSource.itemIdentifier(for: indexPath),
|
|
let feed = node.representedObject as? Feed,
|
|
let url = URL(string: feed.url) else {
|
|
return nil
|
|
}
|
|
|
|
let title = NSLocalizedString("Copy Feed URL", comment: "Copy Feed URL")
|
|
let action = UIAlertAction(title: title, style: .default) { action in
|
|
UIPasteboard.general.url = url
|
|
completionHandler(true)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func copyHomePageAction(indexPath: IndexPath) -> UIAction? {
|
|
guard let node = dataSource.itemIdentifier(for: indexPath),
|
|
let feed = node.representedObject as? Feed,
|
|
let homePageURL = feed.homePageURL,
|
|
let url = URL(string: homePageURL) else {
|
|
return nil
|
|
}
|
|
|
|
let title = NSLocalizedString("Copy Home Page URL", comment: "Copy Home Page URL")
|
|
let action = UIAction(title: title, image: AppAssets.copyImage) { action in
|
|
UIPasteboard.general.url = url
|
|
}
|
|
return action
|
|
}
|
|
|
|
func copyHomePageAlertAction(indexPath: IndexPath, completionHandler: @escaping (Bool) -> Void) -> UIAlertAction? {
|
|
guard let node = dataSource.itemIdentifier(for: indexPath),
|
|
let feed = node.representedObject as? Feed,
|
|
let homePageURL = feed.homePageURL,
|
|
let url = URL(string: homePageURL) else {
|
|
return nil
|
|
}
|
|
|
|
let title = NSLocalizedString("Copy Home Page URL", comment: "Copy Home Page URL")
|
|
let action = UIAlertAction(title: title, style: .default) { action in
|
|
UIPasteboard.general.url = url
|
|
completionHandler(true)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func deleteAction(indexPath: IndexPath) -> UIAction {
|
|
let title = NSLocalizedString("Delete", comment: "Delete")
|
|
|
|
let action = UIAction(title: title, image: AppAssets.trashImage, attributes: .destructive) { [weak self] action in
|
|
self?.delete(indexPath: indexPath)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func renameAction(indexPath: IndexPath) -> UIAction {
|
|
let title = NSLocalizedString("Rename", comment: "Rename")
|
|
let action = UIAction(title: title, image: AppAssets.editImage) { [weak self] action in
|
|
self?.rename(indexPath: indexPath)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func getInfoAction(indexPath: IndexPath) -> UIAction? {
|
|
guard let node = dataSource.itemIdentifier(for: indexPath), let feed = node.representedObject as? Feed else {
|
|
return nil
|
|
}
|
|
|
|
let title = NSLocalizedString("Get Info", comment: "Get Info")
|
|
let action = UIAction(title: title, image: AppAssets.infoImage) { [weak self] action in
|
|
self?.coordinator.showFeedInspector(for: feed)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func getAccountInfoAction(account: Account) -> UIAction {
|
|
let title = NSLocalizedString("Get Info", comment: "Get Info")
|
|
let action = UIAction(title: title, image: AppAssets.infoImage) { [weak self] action in
|
|
self?.coordinator.showAccountInspector(for: account)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func deactivateAccountAction(account: Account) -> UIAction {
|
|
let title = NSLocalizedString("Deactivate", comment: "Deactivate")
|
|
let action = UIAction(title: title, image: AppAssets.deactivateImage) { action in
|
|
account.isActive = false
|
|
}
|
|
return action
|
|
}
|
|
|
|
func getInfoAlertAction(indexPath: IndexPath, completionHandler: @escaping (Bool) -> Void) -> UIAlertAction? {
|
|
guard let node = dataSource.itemIdentifier(for: indexPath), let feed = node.representedObject as? Feed else {
|
|
return nil
|
|
}
|
|
|
|
let title = NSLocalizedString("Get Info", comment: "Get Info")
|
|
let action = UIAlertAction(title: title, style: .default) { [weak self] action in
|
|
self?.coordinator.showFeedInspector(for: feed)
|
|
completionHandler(true)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func rename(indexPath: IndexPath) {
|
|
|
|
let name = (dataSource.itemIdentifier(for: indexPath)?.representedObject as? DisplayNameProvider)?.nameForDisplay ?? ""
|
|
let formatString = NSLocalizedString("Rename “%@”", comment: "Feed finder")
|
|
let title = NSString.localizedStringWithFormat(formatString as NSString, name) as String
|
|
|
|
let alertController = UIAlertController(title: title, message: nil, preferredStyle: .alert)
|
|
|
|
let cancelTitle = NSLocalizedString("Cancel", comment: "Cancel")
|
|
alertController.addAction(UIAlertAction(title: cancelTitle, style: .cancel))
|
|
|
|
let renameTitle = NSLocalizedString("Rename", comment: "Rename")
|
|
let renameAction = UIAlertAction(title: renameTitle, style: .default) { [weak self] action in
|
|
|
|
guard let node = self?.dataSource.itemIdentifier(for: indexPath),
|
|
let name = alertController.textFields?[0].text,
|
|
!name.isEmpty else {
|
|
return
|
|
}
|
|
|
|
if let feed = node.representedObject as? Feed {
|
|
feed.rename(to: name) { result in
|
|
switch result {
|
|
case .success:
|
|
self?.reloadNode(node)
|
|
case .failure(let error):
|
|
self?.presentError(error)
|
|
}
|
|
}
|
|
} else if let folder = node.representedObject as? Folder {
|
|
folder.rename(to: name) { result in
|
|
switch result {
|
|
case .success:
|
|
self?.reloadNode(node)
|
|
case .failure(let error):
|
|
self?.presentError(error)
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
alertController.addAction(renameAction)
|
|
|
|
alertController.addTextField() { textField in
|
|
textField.placeholder = NSLocalizedString("Name", comment: "Name")
|
|
}
|
|
|
|
self.present(alertController, animated: true) {
|
|
|
|
}
|
|
|
|
}
|
|
|
|
func delete(indexPath: IndexPath) {
|
|
guard let undoManager = undoManager,
|
|
let deleteNode = dataSource.itemIdentifier(for: indexPath),
|
|
let deleteCommand = DeleteCommand(nodesToDelete: [deleteNode], undoManager: undoManager, errorHandler: ErrorHandler.present(self))
|
|
else {
|
|
return
|
|
}
|
|
|
|
if let folder = deleteNode.representedObject as? Folder {
|
|
ActivityManager.cleanUp(folder)
|
|
} else if let feed = deleteNode.representedObject as? Feed {
|
|
ActivityManager.cleanUp(feed)
|
|
}
|
|
|
|
pushUndoableCommand(deleteCommand)
|
|
deleteCommand.perform()
|
|
|
|
if indexPath == coordinator.currentFeedIndexPath {
|
|
coordinator.selectFeed(nil)
|
|
}
|
|
|
|
}
|
|
|
|
}
|