mirror of
https://github.com/Ranchero-Software/NetNewsWire.git
synced 2024-12-13 18:06:50 +01:00
1167 lines
38 KiB
Swift
1167 lines
38 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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import SafariServices
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class MasterFeedViewController: UITableViewController, UndoableCommandRunner {
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@IBOutlet weak var filterButton: UIBarButtonItem!
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private var refreshProgressView: RefreshProgressView?
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@IBOutlet weak var addNewItemButton: UIBarButtonItem!
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private let operationQueue = MainThreadOperationQueue()
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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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// 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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tableView.dragDelegate = self
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tableView.dropDelegate = self
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tableView.dragInteractionEnabled = true
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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(webFeedIconDidBecomeAvailable(_:)), name: .WebFeedIconDidBecomeAvailable, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(webFeedSettingDidChange(_:)), name: .WebFeedSettingDidChange, 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(willEnterForeground(_:)), name: UIApplication.willEnterForegroundNotification, 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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updateUI()
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super.viewWillAppear(animated)
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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 feed = coordinator.timelineFeed {
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node = coordinator.rootNode.descendantNodeRepresentingObject(feed 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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self.reloadNode(node)
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}
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}
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@objc func faviconDidBecomeAvailable(_ note: Notification) {
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applyToAvailableCells(configureIcon)
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}
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@objc func webFeedIconDidBecomeAvailable(_ note: Notification) {
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guard let webFeed = note.userInfo?[UserInfoKey.webFeed] as? WebFeed else {
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return
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}
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applyToCellsForRepresentedObject(webFeed, configureIcon(_:_:))
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}
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@objc func webFeedSettingDidChange(_ note: Notification) {
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guard let webFeed = note.object as? WebFeed, let key = note.userInfo?[WebFeed.WebFeedSettingUserInfoKey] as? String else {
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return
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}
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if key == WebFeed.WebFeedSettingKey.homePageURL || key == WebFeed.WebFeedSettingKey.faviconURL {
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configureCellsForRepresentedObject(webFeed)
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}
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}
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@objc func contentSizeCategoryDidChange(_ note: Notification) {
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resetEstimatedRowHeight()
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applyChanges(animated: false)
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}
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@objc func willEnterForeground(_ note: Notification) {
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updateUI()
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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.delegate = self
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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 = coordinator.isExpanded(sectionNode)
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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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headerView.gestureRecognizers?.removeAll()
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let tap = UITapGestureRecognizer(target: self, action:#selector(self.toggleSectionHeader(_:)))
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headerView.addGestureRecognizer(tap)
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// Without this the swipe gesture registers on the cell below
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let gestureRecognizer = UIPanGestureRecognizer(target: nil, action: nil)
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gestureRecognizer.delegate = self
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headerView.addGestureRecognizer(gestureRecognizer)
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headerView.interactions.removeAll()
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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, completion) in
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self?.delete(indexPath: indexPath)
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completion(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, completion) in
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self?.rename(indexPath: indexPath)
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completion(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 webFeed = dataSource.itemIdentifier(for: indexPath)?.representedObject as? WebFeed {
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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, completion) in
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if let self = self {
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let alert = UIAlertController(title: webFeed.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, completion: completion) {
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alert.addAction(action)
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}
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if let action = self.homePageAlertAction(indexPath: indexPath, completion: completion) {
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alert.addAction(action)
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}
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if let action = self.copyFeedPageAlertAction(indexPath: indexPath, completion: completion) {
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alert.addAction(action)
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}
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if let action = self.copyHomePageAlertAction(indexPath: indexPath, completion: completion) {
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alert.addAction(action)
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}
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if let action = self.markAllAsReadAlertAction(indexPath: indexPath, completion: completion) {
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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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completion(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) else {
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return nil
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}
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if node.representedObject is WebFeed {
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return makeFeedContextMenu(node: node, indexPath: indexPath, includeDeleteRename: true)
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} else if node.representedObject is Folder {
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return makeFolderContextMenu(node: node, indexPath: indexPath)
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} else if node.representedObject is PseudoFeed {
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return makePseudoFeedContextMenu(node: node, indexPath: indexPath)
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} else {
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return nil
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}
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}
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override func tableView(_ tableView: UITableView, previewForHighlightingContextMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview? {
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guard let nodeUniqueId = configuration.identifier as? Int,
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let node = coordinator.rootNode.descendantNode(where: { $0.uniqueID == nodeUniqueId }),
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let indexPath = dataSource.indexPath(for: node),
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let cell = tableView.cellForRow(at: indexPath) else {
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return nil
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}
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return UITargetedPreview(view: cell, parameters: CroppingPreviewParameters(view: cell))
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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: indexPath, animations: [.navigation, .select, .scroll])
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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) 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 there is no destination node, we are dragging onto an empty Account
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guard let destNode = dataSource.itemIdentifier(for: destIndexPath), let parentNode = destNode.parent else {
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return proposedDestinationIndexPath
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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 || !coordinator.isExpanded(destNode)) {
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return proposedDestinationIndexPath
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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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sortedNodes.remove(at: index)
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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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let candidateIndexPath = dataSource.indexPath(for: sortedNodes[index])!
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let movementAdjustment = sourceIndexPath < destIndexPath ? 1 : 0
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return IndexPath(row: candidateIndexPath.row - movementAdjustment, section: candidateIndexPath.section)
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}
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} else {
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if index >= sortedNodes.count {
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let lastSortedIndexPath = dataSource.indexPath(for: sortedNodes[sortedNodes.count - 1])!
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let movementAdjustment = sourceIndexPath > destIndexPath ? 1 : 0
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return IndexPath(row: lastSortedIndexPath.row + movementAdjustment, section: lastSortedIndexPath.section)
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} else {
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let movementAdjustment = sourceIndexPath < destIndexPath ? 1 : 0
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return dataSource.indexPath(for: sortedNodes[index - movementAdjustment])!
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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 toggleFilter(_ sender: Any) {
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coordinator.toggleReadFeedsFilter()
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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 headerView = sender.view as? MasterFeedTableViewSectionHeader else {
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return
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}
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toggle(headerView)
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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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appDelegate.manualRefresh(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(animated: 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(animated: 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(animated: 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(animated: true) {
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self.reloadAllVisibleCells()
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}
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}
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@objc func markAllAsRead(_ sender: Any) {
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guard let indexPath = tableView.indexPathForSelectedRow, let contentView = tableView.cellForRow(at: indexPath)?.contentView else {
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return
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}
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let title = NSLocalizedString("Mark All as Read", comment: "Mark All as Read")
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MarkAsReadAlertController.confirm(self, coordinator: coordinator, confirmTitle: title, sourceType: contentView) { [weak self] in
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self?.coordinator.markAllAsReadInTimeline()
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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, animations: [])
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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(animations: Animations) {
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operationQueue.add(UpdateSelectionOperation(coordinator: coordinator, dataSource: dataSource, tableView: tableView, animations: animations))
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}
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func reloadFeeds(initialLoad: Bool, completion: (() -> Void)? = nil) {
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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(animated: !initialLoad) { [weak self] in
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if !initialLoad {
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self?.reloadAllVisibleCells(completion: completion)
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} else {
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completion?()
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}
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}
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}
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func updateUI() {
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if coordinator.isReadFeedsFiltered {
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setFilterButtonToActive()
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} else {
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setFilterButtonToInactive()
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}
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refreshProgressView?.updateRefreshLabel()
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addNewItemButton?.isEnabled = !AccountManager.shared.activeAccounts.isEmpty
|
|
}
|
|
|
|
func focus() {
|
|
becomeFirstResponder()
|
|
}
|
|
|
|
func openInAppBrowser() {
|
|
if let indexPath = coordinator.currentFeedIndexPath,
|
|
let url = coordinator.homePageURLForFeed(indexPath) {
|
|
let vc = SFSafariViewController(url: url)
|
|
present(vc, animated: true)
|
|
}
|
|
}
|
|
}
|
|
|
|
// MARK: UIContextMenuInteractionDelegate
|
|
|
|
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: sectionIndex as NSCopying, previewProvider: nil) { suggestedActions in
|
|
let accountInfoAction = self.getAccountInfoAction(account: account)
|
|
let deactivateAction = self.deactivateAccountAction(account: account)
|
|
|
|
var actions = [accountInfoAction, deactivateAction]
|
|
|
|
if let markAllAction = self.markAllAsReadAction(account: account) {
|
|
actions.insert(markAllAction, at: 1)
|
|
}
|
|
|
|
return UIMenu(title: "", children: actions)
|
|
}
|
|
}
|
|
|
|
func contextMenuInteraction(_ interaction: UIContextMenuInteraction, previewForHighlightingMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview? {
|
|
|
|
guard let sectionIndex = configuration.identifier as? Int,
|
|
let cell = tableView.headerView(forSection: sectionIndex) else {
|
|
return nil
|
|
}
|
|
|
|
return UITargetedPreview(view: cell, parameters: CroppingPreviewParameters(view: cell))
|
|
}
|
|
}
|
|
|
|
// MARK: MasterFeedTableViewSectionHeaderDelegate
|
|
|
|
extension MasterFeedViewController: MasterFeedTableViewSectionHeaderDelegate {
|
|
|
|
func masterFeedTableViewSectionHeaderDisclosureDidToggle(_ sender: MasterFeedTableViewSectionHeader) {
|
|
toggle(sender)
|
|
}
|
|
|
|
}
|
|
|
|
// MARK: MasterTableViewCellDelegate
|
|
|
|
extension MasterFeedViewController: MasterFeedTableViewCellDelegate {
|
|
|
|
func masterFeedTableViewCellDisclosureDidToggle(_ 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)
|
|
toolbarItems?.insert(refreshProgressItemButton, at: 2)
|
|
}
|
|
|
|
func setFilterButtonToActive() {
|
|
filterButton?.image = AppAssets.filterActiveImage
|
|
filterButton?.accLabelText = NSLocalizedString("Selected - Filter Read Feeds", comment: "Selected - Filter Read Feeds")
|
|
}
|
|
|
|
func setFilterButtonToInactive() {
|
|
filterButton?.image = AppAssets.filterInactiveImage
|
|
filterButton?.accLabelText = NSLocalizedString("Filter Read Feeds", comment: "Filter Read Feeds")
|
|
}
|
|
|
|
func reloadNode(_ node: Node) {
|
|
var snapshot = dataSource.snapshot()
|
|
snapshot.reloadItems([node])
|
|
queueApply(snapshot: snapshot, animatingDifferences: false) { [weak self] in
|
|
self?.restoreSelectionIfNecessary(adjustScroll: false)
|
|
}
|
|
}
|
|
|
|
func applyChanges(animated: 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)
|
|
}
|
|
|
|
queueApply(snapshot: snapshot, animatingDifferences: animated) { [weak self] in
|
|
self?.restoreSelectionIfNecessary(adjustScroll: adjustScroll)
|
|
completion?()
|
|
}
|
|
}
|
|
|
|
func queueApply(snapshot: NSDiffableDataSourceSnapshot<Node, Node>, animatingDifferences: Bool = true, completion: (() -> Void)? = nil) {
|
|
let operation = MasterFeedDataSourceOperation(dataSource: dataSource, snapshot: snapshot, animating: animatingDifferences)
|
|
operation.completionBlock = { _ in
|
|
completion?()
|
|
}
|
|
operationQueue.add(operation)
|
|
}
|
|
|
|
|
|
func makeDataSource() -> MasterFeedDataSource {
|
|
let dataSource = MasterFeedDataSource(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
|
|
})
|
|
dataSource.defaultRowAnimation = .middle
|
|
return dataSource
|
|
}
|
|
|
|
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: coordinator.isExpanded(node), animated: false)
|
|
cell.isDisclosureAvailable = node.canHaveChildNodes
|
|
|
|
cell.name = nameFor(node)
|
|
cell.unreadCount = coordinator.unreadCountFor(node)
|
|
configureIcon(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 configureIcon(_ cell: MasterFeedTableViewCell, _ node: Node) {
|
|
cell.iconImage = imageFor(node)
|
|
}
|
|
|
|
func imageFor(_ node: Node) -> IconImage? {
|
|
if let webFeed = node.representedObject as? WebFeed {
|
|
|
|
let feedIconImage = appDelegate.webFeedIconDownloader.icon(for: webFeed)
|
|
if feedIconImage != nil {
|
|
return feedIconImage
|
|
}
|
|
|
|
if let faviconImage = appDelegate.faviconDownloader.faviconAsIcon(for: webFeed) {
|
|
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, _ completion: (MasterFeedTableViewCell, Node) -> Void) {
|
|
applyToAvailableCells { (cell, node) in
|
|
if node.representedObject === representedObject {
|
|
completion(cell, node)
|
|
}
|
|
}
|
|
}
|
|
|
|
func applyToAvailableCells(_ completion: (MasterFeedTableViewCell, Node) -> Void) {
|
|
tableView.visibleCells.forEach { cell in
|
|
guard let indexPath = tableView.indexPath(for: cell), let node = dataSource.itemIdentifier(for: indexPath) else {
|
|
return
|
|
}
|
|
completion(cell as! MasterFeedTableViewCell, node)
|
|
}
|
|
}
|
|
|
|
private func reloadAllVisibleCells(completion: (() -> Void)? = nil) {
|
|
let visibleNodes = tableView.indexPathsForVisibleRows!.compactMap { return dataSource.itemIdentifier(for: $0) }
|
|
reloadCells(visibleNodes, completion: completion)
|
|
}
|
|
|
|
private func reloadCells(_ nodes: [Node], completion: (() -> Void)? = nil) {
|
|
var snapshot = dataSource.snapshot()
|
|
snapshot.reloadItems(nodes)
|
|
queueApply(snapshot: snapshot, animatingDifferences: false) { [weak self] in
|
|
self?.restoreSelectionIfNecessary(adjustScroll: false)
|
|
completion?()
|
|
}
|
|
}
|
|
|
|
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? WebFeed {
|
|
return feed.account
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func toggle(_ headerView: MasterFeedTableViewSectionHeader) {
|
|
guard let sectionNode = coordinator.rootNode.childAtIndex(headerView.tag) else {
|
|
return
|
|
}
|
|
|
|
if coordinator.isExpanded(sectionNode) {
|
|
headerView.disclosureExpanded = false
|
|
coordinator.collapse(sectionNode)
|
|
self.applyChanges(animated: true)
|
|
} else {
|
|
headerView.disclosureExpanded = true
|
|
coordinator.expand(sectionNode)
|
|
self.applyChanges(animated: true)
|
|
}
|
|
}
|
|
|
|
func expand(_ cell: MasterFeedTableViewCell) {
|
|
guard let indexPath = tableView.indexPath(for: cell), let node = dataSource.itemIdentifier(for: indexPath) else {
|
|
return
|
|
}
|
|
coordinator.expand(node)
|
|
applyChanges(animated: true)
|
|
}
|
|
|
|
func collapse(_ cell: MasterFeedTableViewCell) {
|
|
guard let indexPath = tableView.indexPath(for: cell), let node = dataSource.itemIdentifier(for: indexPath) else {
|
|
return
|
|
}
|
|
coordinator.collapse(node)
|
|
applyChanges(animated: true)
|
|
}
|
|
|
|
func makeFeedContextMenu(node: Node, indexPath: IndexPath, includeDeleteRename: Bool) -> UIContextMenuConfiguration {
|
|
return UIContextMenuConfiguration(identifier: node.uniqueID as NSCopying, 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 let markAllAction = self.markAllAsReadAction(indexPath: indexPath) {
|
|
actions.append(markAllAction)
|
|
}
|
|
|
|
if includeDeleteRename {
|
|
actions.append(self.renameAction(indexPath: indexPath))
|
|
actions.append(self.deleteAction(indexPath: indexPath))
|
|
}
|
|
|
|
return UIMenu(title: "", children: actions)
|
|
|
|
})
|
|
|
|
}
|
|
|
|
func makeFolderContextMenu(node: Node, indexPath: IndexPath) -> UIContextMenuConfiguration {
|
|
return UIContextMenuConfiguration(identifier: node.uniqueID as NSCopying, 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))
|
|
|
|
if let markAllAction = self.markAllAsReadAction(indexPath: indexPath) {
|
|
actions.append(markAllAction)
|
|
}
|
|
|
|
return UIMenu(title: "", children: actions)
|
|
|
|
})
|
|
}
|
|
|
|
func makePseudoFeedContextMenu(node: Node, indexPath: IndexPath) -> UIContextMenuConfiguration? {
|
|
guard let markAllAction = self.markAllAsReadAction(indexPath: indexPath) else {
|
|
return nil
|
|
}
|
|
|
|
return UIContextMenuConfiguration(identifier: node.uniqueID as NSCopying, previewProvider: nil, actionProvider: { suggestedActions in
|
|
return UIMenu(title: "", children: [markAllAction])
|
|
})
|
|
}
|
|
|
|
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, completion: @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)
|
|
completion(true)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func copyFeedPageAction(indexPath: IndexPath) -> UIAction? {
|
|
guard let node = dataSource.itemIdentifier(for: indexPath),
|
|
let feed = node.representedObject as? WebFeed,
|
|
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, completion: @escaping (Bool) -> Void) -> UIAlertAction? {
|
|
guard let node = dataSource.itemIdentifier(for: indexPath),
|
|
let feed = node.representedObject as? WebFeed,
|
|
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
|
|
completion(true)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func copyHomePageAction(indexPath: IndexPath) -> UIAction? {
|
|
guard let node = dataSource.itemIdentifier(for: indexPath),
|
|
let feed = node.representedObject as? WebFeed,
|
|
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, completion: @escaping (Bool) -> Void) -> UIAlertAction? {
|
|
guard let node = dataSource.itemIdentifier(for: indexPath),
|
|
let feed = node.representedObject as? WebFeed,
|
|
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
|
|
completion(true)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func markAllAsReadAlertAction(indexPath: IndexPath, completion: @escaping (Bool) -> Void) -> UIAlertAction? {
|
|
guard let node = dataSource.itemIdentifier(for: indexPath),
|
|
coordinator.unreadCountFor(node) > 0,
|
|
let feed = node.representedObject as? WebFeed,
|
|
let articles = try? feed.fetchArticles(), let contentView = self.tableView.cellForRow(at: indexPath)?.contentView 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 cancel = {
|
|
completion(true)
|
|
}
|
|
|
|
|
|
let action = UIAlertAction(title: title, style: .default) { [weak self] action in
|
|
MarkAsReadAlertController.confirm(self, coordinator: self?.coordinator, confirmTitle: title, sourceType: contentView, cancelCompletion: cancel) { [weak self] in
|
|
self?.coordinator.markAllAsRead(Array(articles))
|
|
completion(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? WebFeed 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, completion: @escaping (Bool) -> Void) -> UIAlertAction? {
|
|
guard let node = dataSource.itemIdentifier(for: indexPath), let feed = node.representedObject as? WebFeed 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)
|
|
completion(true)
|
|
}
|
|
return action
|
|
}
|
|
|
|
func markAllAsReadAction(indexPath: IndexPath) -> UIAction? {
|
|
guard let node = dataSource.itemIdentifier(for: indexPath),
|
|
coordinator.unreadCountFor(node) > 0 else {
|
|
return nil
|
|
}
|
|
|
|
guard let articleFetcher = node.representedObject as? Feed,
|
|
let fetchedArticles = try? articleFetcher.fetchArticles() else {
|
|
return nil
|
|
}
|
|
|
|
let articles = Array(fetchedArticles)
|
|
return markAllAsReadAction(articles: articles, nameForDisplay: articleFetcher.nameForDisplay, indexPath: indexPath)
|
|
}
|
|
|
|
func markAllAsReadAction(account: Account) -> UIAction? {
|
|
guard let fetchedArticles = try? account.fetchArticles(FetchType.unread) else {
|
|
return nil
|
|
}
|
|
|
|
let articles = Array(fetchedArticles)
|
|
return markAllAsReadAction(articles: articles, nameForDisplay: account.nameForDisplay)
|
|
}
|
|
|
|
func markAllAsReadAction(articles: [Article], nameForDisplay: String, indexPath: IndexPath? = nil) -> UIAction? {
|
|
guard articles.canMarkAllAsRead(), let indexPath = indexPath, let contentView = self.tableView.cellForRow(at: indexPath)?.contentView else {
|
|
return nil
|
|
}
|
|
|
|
let localizedMenuText = NSLocalizedString("Mark All as Read in “%@”", comment: "Command")
|
|
let title = NSString.localizedStringWithFormat(localizedMenuText as NSString, nameForDisplay) as String
|
|
|
|
let action = UIAction(title: title, image: AppAssets.markAllAsReadImage) { [weak self] action in
|
|
MarkAsReadAlertController.confirm(self, coordinator: self?.coordinator, confirmTitle: title, sourceType: contentView) { [weak self] in
|
|
self?.coordinator.markAllAsRead(articles)
|
|
}
|
|
}
|
|
|
|
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? WebFeed {
|
|
feed.rename(to: name) { result in
|
|
switch result {
|
|
case .success:
|
|
break
|
|
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:
|
|
break
|
|
case .failure(let error):
|
|
self?.presentError(error)
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
alertController.addAction(renameAction)
|
|
|
|
alertController.addTextField() { textField in
|
|
textField.text = name
|
|
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? WebFeed {
|
|
ActivityManager.cleanUp(feed)
|
|
}
|
|
|
|
pushUndoableCommand(deleteCommand)
|
|
deleteCommand.perform()
|
|
|
|
if indexPath == coordinator.currentFeedIndexPath {
|
|
coordinator.selectFeed(indexPath: nil)
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
extension MasterFeedViewController: UIGestureRecognizerDelegate {
|
|
func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool {
|
|
guard let gestureRecognizer = gestureRecognizer as? UIPanGestureRecognizer else {
|
|
return false
|
|
}
|
|
let velocity = gestureRecognizer.velocity(in: self.view)
|
|
return abs(velocity.x) > abs(velocity.y);
|
|
}
|
|
}
|