mirror of
https://github.com/Ranchero-Software/NetNewsWire.git
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8e53768033
In case markArticlesAsReadOnScroll is set
2373 lines
73 KiB
Swift
2373 lines
73 KiB
Swift
//
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// NavigationModelController.swift
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// NetNewsWire-iOS
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//
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// Created by Maurice Parker on 4/21/19.
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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 UserNotifications
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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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enum PanelMode {
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case unset
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case three
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case standard
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}
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enum SearchScope: Int {
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case timeline = 0
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case global = 1
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}
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enum ShowFeedName {
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case none
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case byline
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case feed
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}
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struct FeedNode: Hashable {
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var node: Node
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var feedID: FeedIdentifier
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init(_ node: Node) {
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self.node = node
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self.feedID = (node.representedObject as! Feed).feedID!
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}
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func hash(into hasher: inout Hasher) {
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hasher.combine(feedID)
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}
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}
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class SceneCoordinator: NSObject, UndoableCommandRunner {
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var undoableCommands = [UndoableCommand]()
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var undoManager: UndoManager? {
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return rootSplitViewController.undoManager
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}
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lazy var webViewProvider = WebViewProvider(coordinator: self)
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private var panelMode: PanelMode = .unset
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private var activityManager = ActivityManager()
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private var rootSplitViewController: RootSplitViewController!
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private var masterNavigationController: UINavigationController!
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private var masterFeedViewController: MasterFeedViewController!
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private var masterTimelineViewController: MasterTimelineViewController?
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private var subSplitViewController: UISplitViewController?
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private var articleViewController: ArticleViewController? {
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if let detail = masterNavigationController.viewControllers.last as? ArticleViewController {
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return detail
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}
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if let subSplit = subSplitViewController {
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if let navController = subSplit.viewControllers.last as? UINavigationController {
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return navController.topViewController as? ArticleViewController
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}
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} else {
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if let navController = rootSplitViewController.viewControllers.last as? UINavigationController {
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return navController.topViewController as? ArticleViewController
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}
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}
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return nil
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}
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private var wasRootSplitViewControllerCollapsed = false
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private let fetchAndMergeArticlesQueue = CoalescingQueue(name: "Fetch and Merge Articles", interval: 0.5)
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private let rebuildBackingStoresQueue = CoalescingQueue(name: "Rebuild The Backing Stores", interval: 0.5)
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private var fetchSerialNumber = 0
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private let fetchRequestQueue = FetchRequestQueue()
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private var expandedTable = Set<ContainerIdentifier>()
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private var readFilterEnabledTable = [FeedIdentifier: Bool]()
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private var shadowTable = [(sectionID: String, feedNodes: [FeedNode])]()
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private(set) var preSearchTimelineFeed: Feed?
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private var lastSearchString = ""
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private var lastSearchScope: SearchScope? = nil
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private var isSearching: Bool = false
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private var savedSearchArticles: ArticleArray? = nil
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private var savedSearchArticleIds: Set<String>? = nil
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var isTimelineViewControllerPending = false
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var isArticleViewControllerPending = false
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private(set) var sortDirection = AppDefaults.shared.timelineSortDirection {
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didSet {
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if sortDirection != oldValue {
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sortParametersDidChange()
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}
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}
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}
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private(set) var groupByFeed = AppDefaults.shared.timelineGroupByFeed {
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didSet {
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if groupByFeed != oldValue {
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sortParametersDidChange()
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}
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}
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}
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var prefersStatusBarHidden = false
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private let treeControllerDelegate = WebFeedTreeControllerDelegate()
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private let treeController: TreeController
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var stateRestorationActivity: NSUserActivity {
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let activity = activityManager.stateRestorationActivity
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var userInfo = activity.userInfo ?? [AnyHashable: Any]()
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userInfo[UserInfoKey.windowState] = windowState()
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let articleState = articleViewController?.currentState
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userInfo[UserInfoKey.isShowingExtractedArticle] = articleState?.isShowingExtractedArticle ?? false
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userInfo[UserInfoKey.articleWindowScrollY] = articleState?.windowScrollY ?? 0
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activity.userInfo = userInfo
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return activity
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}
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var isRootSplitCollapsed: Bool {
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return rootSplitViewController.isCollapsed
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}
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var isThreePanelMode: Bool {
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return panelMode == .three
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}
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var isReadFeedsFiltered: Bool {
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return treeControllerDelegate.isReadFiltered
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}
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var isReadArticlesFiltered: Bool {
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if let feedID = timelineFeed?.feedID, let readFilterEnabled = readFilterEnabledTable[feedID] {
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return readFilterEnabled
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} else {
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return timelineDefaultReadFilterType != .none
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}
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}
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var timelineDefaultReadFilterType: ReadFilterType {
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return timelineFeed?.defaultReadFilterType ?? .none
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}
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var rootNode: Node {
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return treeController.rootNode
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}
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// At some point we should refactor the current Feed IndexPath out and only use the timeline feed
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private(set) var currentFeedIndexPath: IndexPath?
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var timelineIconImage: IconImage? {
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guard let timelineFeed = timelineFeed else {
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return nil
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}
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return IconImageCache.shared.imageForFeed(timelineFeed)
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}
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private var exceptionArticleFetcher: ArticleFetcher?
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private(set) var timelineFeed: Feed?
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var timelineMiddleIndexPath: IndexPath?
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private(set) var showFeedNames = ShowFeedName.none
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private(set) var showIcons = false
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var articlesWithManuallyChangedReadStatus: Set<Article> = Set()
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var markBottomArticlesAsReadWorkItem: DispatchWorkItem?
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var prevFeedIndexPath: IndexPath? {
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guard let indexPath = currentFeedIndexPath else {
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return nil
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}
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let prevIndexPath: IndexPath? = {
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if indexPath.row - 1 < 0 {
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for i in (0..<indexPath.section).reversed() {
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if shadowTable[i].feedNodes.count > 0 {
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return IndexPath(row: shadowTable[i].feedNodes.count - 1, section: i)
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}
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}
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return nil
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} else {
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return IndexPath(row: indexPath.row - 1, section: indexPath.section)
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}
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}()
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return prevIndexPath
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}
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var nextFeedIndexPath: IndexPath? {
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guard let indexPath = currentFeedIndexPath else {
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return nil
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}
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let nextIndexPath: IndexPath? = {
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if indexPath.row + 1 >= shadowTable[indexPath.section].feedNodes.count {
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for i in indexPath.section + 1..<shadowTable.count {
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if shadowTable[i].feedNodes.count > 0 {
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return IndexPath(row: 0, section: i)
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}
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}
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return nil
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} else {
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return IndexPath(row: indexPath.row + 1, section: indexPath.section)
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}
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}()
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return nextIndexPath
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}
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var isPrevArticleAvailable: Bool {
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guard let articleRow = currentArticleRow else {
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return false
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}
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return articleRow > 0
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}
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var isNextArticleAvailable: Bool {
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guard let articleRow = currentArticleRow else {
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return false
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}
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return articleRow + 1 < articles.count
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}
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var prevArticle: Article? {
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guard isPrevArticleAvailable, let articleRow = currentArticleRow else {
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return nil
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}
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return articles[articleRow - 1]
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}
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var nextArticle: Article? {
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guard isNextArticleAvailable, let articleRow = currentArticleRow else {
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return nil
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}
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return articles[articleRow + 1]
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}
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var firstUnreadArticleIndexPath: IndexPath? {
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for (row, article) in articles.enumerated() {
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if !article.status.read {
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return IndexPath(row: row, section: 0)
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}
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}
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return nil
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}
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var currentArticle: Article?
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private(set) var articles = ArticleArray() {
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didSet {
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timelineMiddleIndexPath = nil
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articleDictionaryNeedsUpdate = true
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}
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}
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private var articleDictionaryNeedsUpdate = true
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private var _idToArticleDictionary = [String: Article]()
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private var idToAticleDictionary: [String: Article] {
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if articleDictionaryNeedsUpdate {
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rebuildArticleDictionaries()
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}
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return _idToArticleDictionary
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}
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private var currentArticleRow: Int? {
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guard let article = currentArticle else { return nil }
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return articles.firstIndex(of: article)
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}
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var isTimelineUnreadAvailable: Bool {
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return timelineUnreadCount > 0
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}
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var isAnyUnreadAvailable: Bool {
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return appDelegate.unreadCount > 0
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}
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var timelineUnreadCount: Int = 0
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override init() {
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treeController = TreeController(delegate: treeControllerDelegate)
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super.init()
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for sectionNode in treeController.rootNode.childNodes {
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markExpanded(sectionNode)
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shadowTable.append((sectionID: "", feedNodes: [FeedNode]()))
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}
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NotificationCenter.default.addObserver(self, selector: #selector(unreadCountDidInitialize(_:)), name: .UnreadCountDidInitialize, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(unreadCountDidChange(_:)), name: .UnreadCountDidChange, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(statusesDidChange(_:)), name: .StatusesDidChange, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(containerChildrenDidChange(_:)), name: .ChildrenDidChange, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(batchUpdateDidPerform(_:)), name: .BatchUpdateDidPerform, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(displayNameDidChange(_:)), name: .DisplayNameDidChange, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(accountStateDidChange(_:)), name: .AccountStateDidChange, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(userDidAddAccount(_:)), name: .UserDidAddAccount, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(userDidDeleteAccount(_:)), name: .UserDidDeleteAccount, 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(userDefaultsDidChange(_:)), name: UserDefaults.didChangeNotification, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(accountDidDownloadArticles(_:)), name: .AccountDidDownloadArticles, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(willEnterForeground(_:)), name: UIApplication.willEnterForegroundNotification, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(importDownloadedTheme(_:)), name: .didEndDownloadingTheme, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(themeDownloadDidFail(_:)), name: .didFailToImportThemeWithError, object: nil)
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}
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func start(for size: CGSize) -> UIViewController {
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rootSplitViewController = RootSplitViewController()
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rootSplitViewController.coordinator = self
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rootSplitViewController.preferredDisplayMode = .allVisible
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rootSplitViewController.viewControllers = [InteractiveNavigationController.template()]
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rootSplitViewController.delegate = self
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masterNavigationController = (rootSplitViewController.viewControllers.first as! UINavigationController)
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masterNavigationController.delegate = self
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masterFeedViewController = UIStoryboard.main.instantiateController(ofType: MasterFeedViewController.self)
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masterFeedViewController.coordinator = self
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masterNavigationController.pushViewController(masterFeedViewController, animated: false)
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let articleViewController = UIStoryboard.main.instantiateController(ofType: ArticleViewController.self)
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articleViewController.coordinator = self
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let detailNavigationController = addNavControllerIfNecessary(articleViewController, showButton: true)
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rootSplitViewController.showDetailViewController(detailNavigationController, sender: self)
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configurePanelMode(for: size)
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return rootSplitViewController
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}
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func restoreWindowState(_ activity: NSUserActivity?) {
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if let activity = activity, let windowState = activity.userInfo?[UserInfoKey.windowState] as? [AnyHashable: Any] {
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if let containerExpandedWindowState = windowState[UserInfoKey.containerExpandedWindowState] as? [[AnyHashable: AnyHashable]] {
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let containerIdentifers = containerExpandedWindowState.compactMap( { ContainerIdentifier(userInfo: $0) })
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expandedTable = Set(containerIdentifers)
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}
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if let readArticlesFilterState = windowState[UserInfoKey.readArticlesFilterState] as? [[AnyHashable: AnyHashable]: Bool] {
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for key in readArticlesFilterState.keys {
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if let feedIdentifier = FeedIdentifier(userInfo: key) {
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readFilterEnabledTable[feedIdentifier] = readArticlesFilterState[key]
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}
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}
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}
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rebuildBackingStores(initialLoad: true)
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// You can't assign the Feeds Read Filter until we've built the backing stores at least once or there is nothing
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// for state restoration to work with while we are waiting for the unread counts to initialize.
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if let readFeedsFilterState = windowState[UserInfoKey.readFeedsFilterState] as? Bool {
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treeControllerDelegate.isReadFiltered = readFeedsFilterState
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}
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} else {
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rebuildBackingStores(initialLoad: true)
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}
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}
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func handle(_ activity: NSUserActivity) {
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selectFeed(indexPath: nil) {
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guard let activityType = ActivityType(rawValue: activity.activityType) else { return }
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switch activityType {
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case .restoration:
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break
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case .selectFeed:
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self.handleSelectFeed(activity.userInfo)
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case .nextUnread:
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self.selectFirstUnreadInAllUnread()
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case .readArticle:
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self.handleReadArticle(activity.userInfo)
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case .addFeedIntent:
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self.showAddWebFeed()
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}
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}
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}
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func handle(_ response: UNNotificationResponse) {
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let userInfo = response.notification.request.content.userInfo
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handleReadArticle(userInfo)
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}
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func configurePanelMode(for size: CGSize) {
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guard rootSplitViewController.traitCollection.userInterfaceIdiom == .pad else {
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return
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}
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if (size.width / size.height) > 1.2 {
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if panelMode == .unset || panelMode == .standard {
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panelMode = .three
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configureThreePanelMode()
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}
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} else {
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if panelMode == .unset || panelMode == .three {
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panelMode = .standard
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configureStandardPanelMode()
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}
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}
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wasRootSplitViewControllerCollapsed = rootSplitViewController.isCollapsed
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}
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func resetFocus() {
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if currentArticle != nil {
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masterTimelineViewController?.focus()
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} else {
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masterFeedViewController?.focus()
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}
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}
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func selectFirstUnreadInAllUnread() {
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markExpanded(SmartFeedsController.shared)
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self.ensureFeedIsAvailableToSelect(SmartFeedsController.shared.unreadFeed) {
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self.selectFeed(SmartFeedsController.shared.unreadFeed) {
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self.selectFirstUnreadArticleInTimeline()
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}
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}
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}
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func showSearch() {
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selectFeed(indexPath: nil) {
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self.installTimelineControllerIfNecessary(animated: false)
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DispatchQueue.main.asyncAfter(deadline: .now()) {
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self.masterTimelineViewController!.showSearchAll()
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}
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}
|
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}
|
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|
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// MARK: Notifications
|
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@objc func unreadCountDidInitialize(_ notification: Notification) {
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guard notification.object is AccountManager else {
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return
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}
|
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|
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if isReadFeedsFiltered {
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rebuildBackingStores()
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}
|
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}
|
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@objc func unreadCountDidChange(_ note: Notification) {
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// We will handle the filtering of unread feeds in unreadCountDidInitialize after they have all be calculated
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guard AccountManager.shared.isUnreadCountsInitialized else {
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return
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}
|
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|
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queueRebuildBackingStores()
|
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}
|
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|
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@objc func statusesDidChange(_ note: Notification) {
|
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updateUnreadCount()
|
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}
|
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|
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@objc func containerChildrenDidChange(_ note: Notification) {
|
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if timelineFetcherContainsAnyPseudoFeed() || timelineFetcherContainsAnyFolder() {
|
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fetchAndMergeArticlesAsync(animated: true) {
|
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self.masterTimelineViewController?.reinitializeArticles(resetScroll: false)
|
||
self.rebuildBackingStores()
|
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}
|
||
} else {
|
||
rebuildBackingStores()
|
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}
|
||
}
|
||
|
||
@objc func batchUpdateDidPerform(_ notification: Notification) {
|
||
rebuildBackingStores()
|
||
}
|
||
|
||
@objc func displayNameDidChange(_ note: Notification) {
|
||
rebuildBackingStores()
|
||
}
|
||
|
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@objc func accountStateDidChange(_ note: Notification) {
|
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if timelineFetcherContainsAnyPseudoFeed() {
|
||
fetchAndMergeArticlesAsync(animated: true) {
|
||
self.masterTimelineViewController?.reinitializeArticles(resetScroll: false)
|
||
self.rebuildBackingStores()
|
||
}
|
||
} else {
|
||
self.rebuildBackingStores()
|
||
}
|
||
}
|
||
|
||
@objc func userDidAddAccount(_ note: Notification) {
|
||
let expandNewAccount = {
|
||
if let account = note.userInfo?[Account.UserInfoKey.account] as? Account,
|
||
let node = self.treeController.rootNode.childNodeRepresentingObject(account) {
|
||
self.markExpanded(node)
|
||
}
|
||
}
|
||
|
||
if timelineFetcherContainsAnyPseudoFeed() {
|
||
fetchAndMergeArticlesAsync(animated: true) {
|
||
self.masterTimelineViewController?.reinitializeArticles(resetScroll: false)
|
||
self.rebuildBackingStores(updateExpandedNodes: expandNewAccount)
|
||
}
|
||
} else {
|
||
self.rebuildBackingStores(updateExpandedNodes: expandNewAccount)
|
||
}
|
||
}
|
||
|
||
@objc func userDidDeleteAccount(_ note: Notification) {
|
||
let cleanupAccount = {
|
||
if let account = note.userInfo?[Account.UserInfoKey.account] as? Account,
|
||
let node = self.treeController.rootNode.childNodeRepresentingObject(account) {
|
||
self.unmarkExpanded(node)
|
||
}
|
||
}
|
||
|
||
if timelineFetcherContainsAnyPseudoFeed() {
|
||
fetchAndMergeArticlesAsync(animated: true) {
|
||
self.masterTimelineViewController?.reinitializeArticles(resetScroll: false)
|
||
self.rebuildBackingStores(updateExpandedNodes: cleanupAccount)
|
||
}
|
||
} else {
|
||
self.rebuildBackingStores(updateExpandedNodes: cleanupAccount)
|
||
}
|
||
}
|
||
|
||
@objc func userDidAddFeed(_ notification: Notification) {
|
||
guard let webFeed = notification.userInfo?[UserInfoKey.webFeed] as? WebFeed else {
|
||
return
|
||
}
|
||
discloseWebFeed(webFeed, animations: [.scroll, .navigation])
|
||
}
|
||
|
||
@objc func userDefaultsDidChange(_ note: Notification) {
|
||
self.sortDirection = AppDefaults.shared.timelineSortDirection
|
||
self.groupByFeed = AppDefaults.shared.timelineGroupByFeed
|
||
}
|
||
|
||
@objc func accountDidDownloadArticles(_ note: Notification) {
|
||
guard let feeds = note.userInfo?[Account.UserInfoKey.webFeeds] as? Set<WebFeed> else {
|
||
return
|
||
}
|
||
|
||
let shouldFetchAndMergeArticles = timelineFetcherContainsAnyFeed(feeds) || timelineFetcherContainsAnyPseudoFeed()
|
||
if shouldFetchAndMergeArticles {
|
||
queueFetchAndMergeArticles()
|
||
}
|
||
}
|
||
|
||
@objc func willEnterForeground(_ note: Notification) {
|
||
// Don't interfere with any fetch requests that we may have initiated before the app was returned to the foreground.
|
||
// For example if you select Next Unread from the Home Screen Quick actions, you can start a request before we are
|
||
// in the foreground.
|
||
if !fetchRequestQueue.isAnyCurrentRequest {
|
||
queueFetchAndMergeArticles()
|
||
}
|
||
}
|
||
|
||
@objc func importDownloadedTheme(_ note: Notification) {
|
||
guard let userInfo = note.userInfo,
|
||
let url = userInfo["url"] as? URL else {
|
||
return
|
||
}
|
||
|
||
DispatchQueue.main.async {
|
||
self.importTheme(filename: url.path)
|
||
}
|
||
}
|
||
|
||
@objc func themeDownloadDidFail(_ note: Notification) {
|
||
guard let userInfo = note.userInfo,
|
||
let error = userInfo["error"] as? Error else {
|
||
return
|
||
}
|
||
DispatchQueue.main.async {
|
||
self.rootSplitViewController.presentError(error, dismiss: nil)
|
||
}
|
||
}
|
||
|
||
// MARK: API
|
||
|
||
func suspend() {
|
||
fetchAndMergeArticlesQueue.performCallsImmediately()
|
||
rebuildBackingStoresQueue.performCallsImmediately()
|
||
fetchRequestQueue.cancelAllRequests()
|
||
}
|
||
|
||
func cleanUp(conditional: Bool) {
|
||
if isReadFeedsFiltered {
|
||
rebuildBackingStores()
|
||
}
|
||
if isReadArticlesFiltered && (AppDefaults.shared.refreshClearsReadArticles || !conditional) {
|
||
refreshTimeline(resetScroll: false)
|
||
}
|
||
}
|
||
|
||
func toggleReadFeedsFilter() {
|
||
if isReadFeedsFiltered {
|
||
treeControllerDelegate.isReadFiltered = false
|
||
} else {
|
||
treeControllerDelegate.isReadFiltered = true
|
||
}
|
||
rebuildBackingStores()
|
||
masterFeedViewController?.updateUI()
|
||
}
|
||
|
||
func toggleReadArticlesFilter() {
|
||
guard let feedID = timelineFeed?.feedID else {
|
||
return
|
||
}
|
||
|
||
if isReadArticlesFiltered {
|
||
readFilterEnabledTable[feedID] = false
|
||
} else {
|
||
readFilterEnabledTable[feedID] = true
|
||
}
|
||
|
||
refreshTimeline(resetScroll: false)
|
||
}
|
||
|
||
func nodeFor(feedID: FeedIdentifier) -> Node? {
|
||
return treeController.rootNode.descendantNode(where: { node in
|
||
if let feed = node.representedObject as? Feed {
|
||
return feed.feedID == feedID
|
||
} else {
|
||
return false
|
||
}
|
||
})
|
||
}
|
||
|
||
func numberOfSections() -> Int {
|
||
return shadowTable.count
|
||
}
|
||
|
||
func numberOfRows(in section: Int) -> Int {
|
||
return shadowTable[section].feedNodes.count
|
||
}
|
||
|
||
func nodeFor(_ indexPath: IndexPath) -> Node? {
|
||
guard indexPath.section < shadowTable.count && indexPath.row < shadowTable[indexPath.section].feedNodes.count else {
|
||
return nil
|
||
}
|
||
return shadowTable[indexPath.section].feedNodes[indexPath.row].node
|
||
}
|
||
|
||
func indexPathFor(_ node: Node) -> IndexPath? {
|
||
for i in 0..<shadowTable.count {
|
||
if let row = shadowTable[i].feedNodes.firstIndex(of: FeedNode(node)) {
|
||
return IndexPath(row: row, section: i)
|
||
}
|
||
}
|
||
return nil
|
||
}
|
||
|
||
func articleFor(_ articleID: String) -> Article? {
|
||
return idToAticleDictionary[articleID]
|
||
}
|
||
|
||
func cappedIndexPath(_ indexPath: IndexPath) -> IndexPath {
|
||
guard indexPath.section < shadowTable.count && indexPath.row < shadowTable[indexPath.section].feedNodes.count else {
|
||
return IndexPath(row: shadowTable[shadowTable.count - 1].feedNodes.count - 1, section: shadowTable.count - 1)
|
||
}
|
||
return indexPath
|
||
}
|
||
|
||
func unreadCountFor(_ node: Node) -> Int {
|
||
// The coordinator supplies the unread count for the currently selected feed
|
||
if node.representedObject === timelineFeed as AnyObject {
|
||
return timelineUnreadCount
|
||
}
|
||
if let unreadCountProvider = node.representedObject as? UnreadCountProvider {
|
||
return unreadCountProvider.unreadCount
|
||
}
|
||
assertionFailure("This method should only be called for nodes that have an UnreadCountProvider as the represented object.")
|
||
return 0
|
||
}
|
||
|
||
func refreshTimeline(resetScroll: Bool) {
|
||
if let article = self.currentArticle, let account = article.account {
|
||
exceptionArticleFetcher = SingleArticleFetcher(account: account, articleID: article.articleID)
|
||
}
|
||
fetchAndReplaceArticlesAsync(animated: true) {
|
||
self.masterTimelineViewController?.reinitializeArticles(resetScroll: resetScroll)
|
||
}
|
||
}
|
||
|
||
func isExpanded(_ containerID: ContainerIdentifier) -> Bool {
|
||
return expandedTable.contains(containerID)
|
||
}
|
||
|
||
func isExpanded(_ containerIdentifiable: ContainerIdentifiable) -> Bool {
|
||
if let containerID = containerIdentifiable.containerID {
|
||
return isExpanded(containerID)
|
||
}
|
||
return false
|
||
}
|
||
|
||
func isExpanded(_ node: Node) -> Bool {
|
||
if let containerIdentifiable = node.representedObject as? ContainerIdentifiable {
|
||
return isExpanded(containerIdentifiable)
|
||
}
|
||
return false
|
||
}
|
||
|
||
func expand(_ containerID: ContainerIdentifier) {
|
||
markExpanded(containerID)
|
||
rebuildBackingStores()
|
||
}
|
||
|
||
func expand(_ node: Node) {
|
||
guard let containerID = (node.representedObject as? ContainerIdentifiable)?.containerID else { return }
|
||
expand(containerID)
|
||
}
|
||
|
||
func expandAllSectionsAndFolders() {
|
||
for sectionNode in treeController.rootNode.childNodes {
|
||
markExpanded(sectionNode)
|
||
for topLevelNode in sectionNode.childNodes {
|
||
if topLevelNode.representedObject is Folder {
|
||
markExpanded(topLevelNode)
|
||
}
|
||
}
|
||
}
|
||
rebuildBackingStores()
|
||
}
|
||
|
||
func collapse(_ containerID: ContainerIdentifier) {
|
||
unmarkExpanded(containerID)
|
||
rebuildBackingStores()
|
||
clearTimelineIfNoLongerAvailable()
|
||
}
|
||
|
||
func collapse(_ node: Node) {
|
||
guard let containerID = (node.representedObject as? ContainerIdentifiable)?.containerID else { return }
|
||
collapse(containerID)
|
||
}
|
||
|
||
func collapseAllFolders() {
|
||
for sectionNode in treeController.rootNode.childNodes {
|
||
for topLevelNode in sectionNode.childNodes {
|
||
if topLevelNode.representedObject is Folder {
|
||
unmarkExpanded(topLevelNode)
|
||
}
|
||
}
|
||
}
|
||
rebuildBackingStores()
|
||
clearTimelineIfNoLongerAvailable()
|
||
}
|
||
|
||
func masterFeedIndexPathForCurrentTimeline() -> IndexPath? {
|
||
guard let node = treeController.rootNode.descendantNodeRepresentingObject(timelineFeed as AnyObject) else {
|
||
return nil
|
||
}
|
||
return indexPathFor(node)
|
||
}
|
||
|
||
func selectFeed(_ feed: Feed?, animations: Animations = [], deselectArticle: Bool = true, completion: (() -> Void)? = nil) {
|
||
let indexPath: IndexPath? = {
|
||
if let feed = feed, let indexPath = indexPathFor(feed as AnyObject) {
|
||
return indexPath
|
||
} else {
|
||
return nil
|
||
}
|
||
}()
|
||
selectFeed(indexPath: indexPath, animations: animations, deselectArticle: deselectArticle, completion: completion)
|
||
}
|
||
|
||
func selectFeed(indexPath: IndexPath?, animations: Animations = [], deselectArticle: Bool = true, completion: (() -> Void)? = nil) {
|
||
guard indexPath != currentFeedIndexPath else {
|
||
completion?()
|
||
return
|
||
}
|
||
|
||
articlesWithManuallyChangedReadStatus.removeAll()
|
||
markBottomArticlesAsReadWorkItem?.cancel()
|
||
|
||
currentFeedIndexPath = indexPath
|
||
masterFeedViewController.updateFeedSelection(animations: animations)
|
||
|
||
if deselectArticle {
|
||
selectArticle(nil)
|
||
}
|
||
|
||
if let ip = indexPath, let node = nodeFor(ip), let feed = node.representedObject as? Feed {
|
||
|
||
self.activityManager.selecting(feed: feed)
|
||
self.installTimelineControllerIfNecessary(animated: animations.contains(.navigation))
|
||
setTimelineFeed(feed, animated: false) {
|
||
if self.isReadFeedsFiltered {
|
||
self.rebuildBackingStores()
|
||
}
|
||
completion?()
|
||
}
|
||
|
||
} else {
|
||
|
||
setTimelineFeed(nil, animated: false) {
|
||
if self.isReadFeedsFiltered {
|
||
self.rebuildBackingStores()
|
||
}
|
||
self.activityManager.invalidateSelecting()
|
||
if self.rootSplitViewController.isCollapsed && self.navControllerForTimeline().viewControllers.last is MasterTimelineViewController {
|
||
self.navControllerForTimeline().popViewController(animated: animations.contains(.navigation))
|
||
}
|
||
completion?()
|
||
}
|
||
|
||
}
|
||
|
||
}
|
||
|
||
func selectPrevFeed() {
|
||
if let indexPath = prevFeedIndexPath {
|
||
selectFeed(indexPath: indexPath, animations: [.navigation, .scroll])
|
||
}
|
||
}
|
||
|
||
func selectNextFeed() {
|
||
if let indexPath = nextFeedIndexPath {
|
||
selectFeed(indexPath: indexPath, animations: [.navigation, .scroll])
|
||
}
|
||
}
|
||
|
||
func selectTodayFeed(completion: (() -> Void)? = nil) {
|
||
markExpanded(SmartFeedsController.shared)
|
||
self.ensureFeedIsAvailableToSelect(SmartFeedsController.shared.todayFeed) {
|
||
self.selectFeed(SmartFeedsController.shared.todayFeed, animations: [.navigation, .scroll], completion: completion)
|
||
}
|
||
}
|
||
|
||
func selectAllUnreadFeed(completion: (() -> Void)? = nil) {
|
||
markExpanded(SmartFeedsController.shared)
|
||
self.ensureFeedIsAvailableToSelect(SmartFeedsController.shared.unreadFeed) {
|
||
self.selectFeed(SmartFeedsController.shared.unreadFeed, animations: [.navigation, .scroll], completion: completion)
|
||
}
|
||
}
|
||
|
||
func selectStarredFeed(completion: (() -> Void)? = nil) {
|
||
markExpanded(SmartFeedsController.shared)
|
||
self.ensureFeedIsAvailableToSelect(SmartFeedsController.shared.starredFeed) {
|
||
self.selectFeed(SmartFeedsController.shared.starredFeed, animations: [.navigation, .scroll], completion: completion)
|
||
}
|
||
}
|
||
|
||
func selectArticle(_ article: Article?, animations: Animations = [], isShowingExtractedArticle: Bool? = nil, articleWindowScrollY: Int? = nil) {
|
||
guard article != currentArticle else { return }
|
||
|
||
currentArticle = article
|
||
activityManager.reading(feed: timelineFeed, article: article)
|
||
|
||
if article == nil {
|
||
if rootSplitViewController.isCollapsed {
|
||
if masterNavigationController.children.last is ArticleViewController {
|
||
masterNavigationController.popViewController(animated: animations.contains(.navigation))
|
||
}
|
||
} else {
|
||
articleViewController?.article = nil
|
||
}
|
||
masterTimelineViewController?.updateArticleSelection(animations: animations)
|
||
return
|
||
}
|
||
|
||
let currentArticleViewController: ArticleViewController
|
||
if articleViewController == nil {
|
||
currentArticleViewController = installArticleController(animated: animations.contains(.navigation))
|
||
} else {
|
||
currentArticleViewController = articleViewController!
|
||
}
|
||
|
||
// Mark article as read before navigating to it, so the read status does not flash unread/read on display
|
||
markArticles(Set([article!]), statusKey: .read, flag: true)
|
||
|
||
masterTimelineViewController?.updateArticleSelection(animations: animations)
|
||
currentArticleViewController.article = article
|
||
if let isShowingExtractedArticle = isShowingExtractedArticle, let articleWindowScrollY = articleWindowScrollY {
|
||
currentArticleViewController.restoreScrollPosition = (isShowingExtractedArticle, articleWindowScrollY)
|
||
}
|
||
}
|
||
|
||
func beginSearching() {
|
||
isSearching = true
|
||
preSearchTimelineFeed = timelineFeed
|
||
savedSearchArticles = articles
|
||
savedSearchArticleIds = Set(articles.map { $0.articleID })
|
||
setTimelineFeed(nil, animated: true)
|
||
selectArticle(nil)
|
||
}
|
||
|
||
func endSearching() {
|
||
if let oldTimelineFeed = preSearchTimelineFeed {
|
||
emptyTheTimeline()
|
||
timelineFeed = oldTimelineFeed
|
||
masterTimelineViewController?.reinitializeArticles(resetScroll: true)
|
||
replaceArticles(with: savedSearchArticles!, animated: true)
|
||
} else {
|
||
setTimelineFeed(nil, animated: true)
|
||
}
|
||
|
||
lastSearchString = ""
|
||
lastSearchScope = nil
|
||
preSearchTimelineFeed = nil
|
||
savedSearchArticleIds = nil
|
||
savedSearchArticles = nil
|
||
isSearching = false
|
||
selectArticle(nil)
|
||
masterTimelineViewController?.focus()
|
||
}
|
||
|
||
func searchArticles(_ searchString: String, _ searchScope: SearchScope) {
|
||
|
||
guard isSearching else { return }
|
||
|
||
if searchString.count < 3 {
|
||
setTimelineFeed(nil, animated: true)
|
||
return
|
||
}
|
||
|
||
if searchString != lastSearchString || searchScope != lastSearchScope {
|
||
|
||
switch searchScope {
|
||
case .global:
|
||
setTimelineFeed(SmartFeed(delegate: SearchFeedDelegate(searchString: searchString)), animated: true)
|
||
case .timeline:
|
||
setTimelineFeed(SmartFeed(delegate: SearchTimelineFeedDelegate(searchString: searchString, articleIDs: savedSearchArticleIds!)), animated: true)
|
||
}
|
||
|
||
lastSearchString = searchString
|
||
lastSearchScope = searchScope
|
||
}
|
||
|
||
}
|
||
|
||
func findPrevArticle(_ article: Article) -> Article? {
|
||
guard let index = articles.firstIndex(of: article), index > 0 else {
|
||
return nil
|
||
}
|
||
return articles[index - 1]
|
||
}
|
||
|
||
func findNextArticle(_ article: Article) -> Article? {
|
||
guard let index = articles.firstIndex(of: article), index + 1 != articles.count else {
|
||
return nil
|
||
}
|
||
return articles[index + 1]
|
||
}
|
||
|
||
func selectPrevArticle() {
|
||
if let article = prevArticle {
|
||
selectArticle(article, animations: [.navigation, .scroll])
|
||
}
|
||
}
|
||
|
||
func selectNextArticle() {
|
||
if let article = nextArticle {
|
||
selectArticle(article, animations: [.navigation, .scroll])
|
||
}
|
||
}
|
||
|
||
func selectFirstUnread() {
|
||
if selectFirstUnreadArticleInTimeline() {
|
||
activityManager.selectingNextUnread()
|
||
}
|
||
}
|
||
|
||
func selectPrevUnread() {
|
||
|
||
// This should never happen, but I don't want to risk throwing us
|
||
// into an infinate loop searching for an unread that isn't there.
|
||
if appDelegate.unreadCount < 1 {
|
||
return
|
||
}
|
||
|
||
if selectPrevUnreadArticleInTimeline() {
|
||
return
|
||
}
|
||
|
||
selectPrevUnreadFeedFetcher()
|
||
selectPrevUnreadArticleInTimeline()
|
||
}
|
||
|
||
func selectNextUnread() {
|
||
|
||
// This should never happen, but I don't want to risk throwing us
|
||
// into an infinate loop searching for an unread that isn't there.
|
||
if appDelegate.unreadCount < 1 {
|
||
return
|
||
}
|
||
|
||
if selectNextUnreadArticleInTimeline() {
|
||
return
|
||
}
|
||
|
||
if self.isSearching {
|
||
self.masterTimelineViewController?.hideSearch()
|
||
}
|
||
|
||
selectNextUnreadFeed() {
|
||
self.selectNextUnreadArticleInTimeline()
|
||
}
|
||
|
||
}
|
||
|
||
func scrollOrGoToNextUnread() {
|
||
if articleViewController?.canScrollDown() ?? false {
|
||
articleViewController?.scrollPageDown()
|
||
} else {
|
||
selectNextUnread()
|
||
}
|
||
}
|
||
|
||
func scrollUp() {
|
||
if articleViewController?.canScrollUp() ?? false {
|
||
articleViewController?.scrollPageUp()
|
||
}
|
||
}
|
||
|
||
func markAllAsRead(_ articles: [Article], completion: (() -> Void)? = nil) {
|
||
markArticlesWithUndo(articles, statusKey: .read, flag: true, completion: completion)
|
||
}
|
||
|
||
func markAllAsReadInTimeline(completion: (() -> Void)? = nil) {
|
||
markAllAsRead(articles) {
|
||
self.masterNavigationController.popViewController(animated: true)
|
||
completion?()
|
||
}
|
||
}
|
||
|
||
func canMarkAboveAsRead(for article: Article) -> Bool {
|
||
let articlesAboveArray = articles.articlesAbove(article: article)
|
||
return articlesAboveArray.canMarkAllAsRead()
|
||
}
|
||
|
||
func markAboveAsRead() {
|
||
guard let currentArticle = currentArticle else {
|
||
return
|
||
}
|
||
|
||
markAboveAsRead(currentArticle)
|
||
}
|
||
|
||
func markAboveAsRead(_ article: Article) {
|
||
let articlesAboveArray = articles.articlesAbove(article: article)
|
||
markAllAsRead(articlesAboveArray)
|
||
}
|
||
|
||
func canMarkBelowAsRead(for article: Article) -> Bool {
|
||
let articleBelowArray = articles.articlesBelow(article: article)
|
||
return articleBelowArray.canMarkAllAsRead()
|
||
}
|
||
|
||
func markBelowAsRead() {
|
||
guard let currentArticle = currentArticle else {
|
||
return
|
||
}
|
||
|
||
markBelowAsRead(currentArticle)
|
||
}
|
||
|
||
func markBelowAsRead(_ article: Article) {
|
||
let articleBelowArray = articles.articlesBelow(article: article)
|
||
markAllAsRead(articleBelowArray)
|
||
}
|
||
|
||
func markAsReadForCurrentArticle() {
|
||
if let article = currentArticle {
|
||
markArticlesWithUndo([article], statusKey: .read, flag: true)
|
||
articlesWithManuallyChangedReadStatus.insert(article)
|
||
}
|
||
}
|
||
|
||
func markAsUnreadForCurrentArticle() {
|
||
if let article = currentArticle {
|
||
markArticlesWithUndo([article], statusKey: .read, flag: false)
|
||
articlesWithManuallyChangedReadStatus.insert(article)
|
||
}
|
||
}
|
||
|
||
func toggleReadForCurrentArticle() {
|
||
if let article = currentArticle {
|
||
toggleRead(article)
|
||
articlesWithManuallyChangedReadStatus.insert(article)
|
||
}
|
||
}
|
||
|
||
func toggleRead(_ article: Article) {
|
||
guard !article.status.read || article.isAvailableToMarkUnread else { return }
|
||
markArticlesWithUndo([article], statusKey: .read, flag: !article.status.read)
|
||
articlesWithManuallyChangedReadStatus.insert(article)
|
||
}
|
||
|
||
func toggleStarredForCurrentArticle() {
|
||
if let article = currentArticle {
|
||
toggleStar(article)
|
||
}
|
||
}
|
||
|
||
func toggleStar(_ article: Article) {
|
||
markArticlesWithUndo([article], statusKey: .starred, flag: !article.status.starred)
|
||
}
|
||
|
||
func timelineFeedIsEqualTo(_ feed: WebFeed) -> Bool {
|
||
guard let timelineFeed = timelineFeed as? WebFeed else {
|
||
return false
|
||
}
|
||
|
||
return timelineFeed == feed
|
||
}
|
||
|
||
func discloseWebFeed(_ webFeed: WebFeed, animations: Animations = [], completion: (() -> Void)? = nil) {
|
||
if isSearching {
|
||
masterTimelineViewController?.hideSearch()
|
||
}
|
||
|
||
guard let account = webFeed.account else {
|
||
completion?()
|
||
return
|
||
}
|
||
|
||
let parentFolder = account.sortedFolders?.first(where: { $0.objectIsChild(webFeed) })
|
||
|
||
markExpanded(account)
|
||
if let parentFolder = parentFolder {
|
||
markExpanded(parentFolder)
|
||
}
|
||
|
||
if let webFeedFeedID = webFeed.feedID {
|
||
self.treeControllerDelegate.addFilterException(webFeedFeedID)
|
||
}
|
||
if let parentFolderFeedID = parentFolder?.feedID {
|
||
self.treeControllerDelegate.addFilterException(parentFolderFeedID)
|
||
}
|
||
|
||
rebuildBackingStores(completion: {
|
||
self.treeControllerDelegate.resetFilterExceptions()
|
||
self.selectFeed(webFeed, animations: animations, completion: completion)
|
||
})
|
||
|
||
}
|
||
|
||
func showStatusBar() {
|
||
prefersStatusBarHidden = false
|
||
UIView.animate(withDuration: 0.15) {
|
||
self.rootSplitViewController.setNeedsStatusBarAppearanceUpdate()
|
||
}
|
||
}
|
||
|
||
func hideStatusBar() {
|
||
prefersStatusBarHidden = true
|
||
UIView.animate(withDuration: 0.15) {
|
||
self.rootSplitViewController.setNeedsStatusBarAppearanceUpdate()
|
||
}
|
||
}
|
||
|
||
func showSettings(scrollToArticlesSection: Bool = false) {
|
||
let settingsNavController = UIStoryboard.settings.instantiateInitialViewController() as! UINavigationController
|
||
let settingsViewController = settingsNavController.topViewController as! SettingsViewController
|
||
settingsViewController.scrollToArticlesSection = scrollToArticlesSection
|
||
settingsNavController.modalPresentationStyle = .formSheet
|
||
settingsViewController.presentingParentController = rootSplitViewController
|
||
rootSplitViewController.present(settingsNavController, animated: true)
|
||
}
|
||
|
||
func showAccountInspector(for account: Account) {
|
||
let accountInspectorNavController =
|
||
UIStoryboard.inspector.instantiateViewController(identifier: "AccountInspectorNavigationViewController") as! UINavigationController
|
||
let accountInspectorController = accountInspectorNavController.topViewController as! AccountInspectorViewController
|
||
accountInspectorNavController.modalPresentationStyle = .formSheet
|
||
accountInspectorNavController.preferredContentSize = AccountInspectorViewController.preferredContentSizeForFormSheetDisplay
|
||
accountInspectorController.isModal = true
|
||
accountInspectorController.account = account
|
||
rootSplitViewController.present(accountInspectorNavController, animated: true)
|
||
}
|
||
|
||
func showFeedInspector() {
|
||
let timelineWebFeed = timelineFeed as? WebFeed
|
||
let articleFeed = currentArticle?.webFeed
|
||
guard let feed = timelineWebFeed ?? articleFeed else {
|
||
return
|
||
}
|
||
showFeedInspector(for: feed)
|
||
}
|
||
|
||
func showFeedInspector(for feed: WebFeed) {
|
||
let feedInspectorNavController =
|
||
UIStoryboard.inspector.instantiateViewController(identifier: "FeedInspectorNavigationViewController") as! UINavigationController
|
||
let feedInspectorController = feedInspectorNavController.topViewController as! WebFeedInspectorViewController
|
||
feedInspectorNavController.modalPresentationStyle = .formSheet
|
||
feedInspectorNavController.preferredContentSize = WebFeedInspectorViewController.preferredContentSizeForFormSheetDisplay
|
||
feedInspectorController.webFeed = feed
|
||
rootSplitViewController.present(feedInspectorNavController, animated: true)
|
||
}
|
||
|
||
func showAddWebFeed(initialFeed: String? = nil, initialFeedName: String? = nil) {
|
||
|
||
// Since Add Feed can be opened from anywhere with a keyboard shortcut, we have to deselect any currently selected feeds
|
||
selectFeed(nil)
|
||
|
||
let addNavViewController = UIStoryboard.add.instantiateViewController(withIdentifier: "AddWebFeedViewControllerNav") as! UINavigationController
|
||
|
||
let addViewController = addNavViewController.topViewController as! AddFeedViewController
|
||
addViewController.initialFeed = initialFeed
|
||
addViewController.initialFeedName = initialFeedName
|
||
|
||
addNavViewController.modalPresentationStyle = .formSheet
|
||
addNavViewController.preferredContentSize = AddFeedViewController.preferredContentSizeForFormSheetDisplay
|
||
masterFeedViewController.present(addNavViewController, animated: true)
|
||
}
|
||
|
||
func showAddRedditFeed() {
|
||
let addNavViewController = UIStoryboard.redditAdd.instantiateInitialViewController() as! UINavigationController
|
||
addNavViewController.modalPresentationStyle = .formSheet
|
||
addNavViewController.preferredContentSize = AddFeedViewController.preferredContentSizeForFormSheetDisplay
|
||
masterFeedViewController.present(addNavViewController, animated: true)
|
||
}
|
||
|
||
func showAddTwitterFeed() {
|
||
let addNavViewController = UIStoryboard.twitterAdd.instantiateInitialViewController() as! UINavigationController
|
||
addNavViewController.modalPresentationStyle = .formSheet
|
||
addNavViewController.preferredContentSize = AddFeedViewController.preferredContentSizeForFormSheetDisplay
|
||
masterFeedViewController.present(addNavViewController, animated: true)
|
||
}
|
||
|
||
func showAddFolder() {
|
||
let addNavViewController = UIStoryboard.add.instantiateViewController(withIdentifier: "AddFolderViewControllerNav") as! UINavigationController
|
||
addNavViewController.modalPresentationStyle = .formSheet
|
||
addNavViewController.preferredContentSize = AddFolderViewController.preferredContentSizeForFormSheetDisplay
|
||
masterFeedViewController.present(addNavViewController, animated: true)
|
||
}
|
||
|
||
func showFullScreenImage(image: UIImage, imageTitle: String?, transitioningDelegate: UIViewControllerTransitioningDelegate) {
|
||
let imageVC = UIStoryboard.main.instantiateController(ofType: ImageViewController.self)
|
||
imageVC.image = image
|
||
imageVC.imageTitle = imageTitle
|
||
imageVC.modalPresentationStyle = .currentContext
|
||
imageVC.transitioningDelegate = transitioningDelegate
|
||
rootSplitViewController.present(imageVC, animated: true)
|
||
}
|
||
|
||
func homePageURLForFeed(_ indexPath: IndexPath) -> URL? {
|
||
guard let node = nodeFor(indexPath),
|
||
let feed = node.representedObject as? WebFeed,
|
||
let homePageURL = feed.homePageURL,
|
||
let url = URL(string: homePageURL) else {
|
||
return nil
|
||
}
|
||
return url
|
||
}
|
||
|
||
func showBrowserForFeed(_ indexPath: IndexPath) {
|
||
if let url = homePageURLForFeed(indexPath) {
|
||
UIApplication.shared.open(url, options: [:])
|
||
}
|
||
}
|
||
|
||
func showBrowserForCurrentFeed() {
|
||
if let ip = currentFeedIndexPath, let url = homePageURLForFeed(ip) {
|
||
UIApplication.shared.open(url, options: [:])
|
||
}
|
||
}
|
||
|
||
func showBrowserForArticle(_ article: Article) {
|
||
guard let url = article.preferredURL else { return }
|
||
UIApplication.shared.open(url, options: [:])
|
||
}
|
||
|
||
func showBrowserForCurrentArticle() {
|
||
guard let url = currentArticle?.preferredURL else { return }
|
||
UIApplication.shared.open(url, options: [:])
|
||
}
|
||
|
||
func showInAppBrowser() {
|
||
if currentArticle != nil {
|
||
articleViewController?.openInAppBrowser()
|
||
}
|
||
else {
|
||
masterFeedViewController.openInAppBrowser()
|
||
}
|
||
}
|
||
|
||
func navigateToFeeds() {
|
||
masterFeedViewController?.focus()
|
||
selectArticle(nil)
|
||
}
|
||
|
||
func navigateToTimeline() {
|
||
if currentArticle == nil && articles.count > 0 {
|
||
selectArticle(articles[0])
|
||
}
|
||
masterTimelineViewController?.focus()
|
||
}
|
||
|
||
func navigateToDetail() {
|
||
articleViewController?.focus()
|
||
}
|
||
|
||
func toggleSidebar() {
|
||
rootSplitViewController.preferredDisplayMode = rootSplitViewController.displayMode == .allVisible ? .primaryHidden : .allVisible
|
||
}
|
||
|
||
func selectArticleInCurrentFeed(_ articleID: String, isShowingExtractedArticle: Bool? = nil, articleWindowScrollY: Int? = nil) {
|
||
if let article = self.articles.first(where: { $0.articleID == articleID }) {
|
||
self.selectArticle(article, isShowingExtractedArticle: isShowingExtractedArticle, articleWindowScrollY: articleWindowScrollY)
|
||
}
|
||
}
|
||
|
||
func importTheme(filename: String) {
|
||
do {
|
||
try ArticleThemeImporter.importTheme(controller: rootSplitViewController, filename: filename)
|
||
} catch {
|
||
NotificationCenter.default.post(name: .didFailToImportThemeWithError, object: nil, userInfo: ["error" : error])
|
||
}
|
||
|
||
}
|
||
|
||
}
|
||
|
||
// MARK: UISplitViewControllerDelegate
|
||
|
||
extension SceneCoordinator: UISplitViewControllerDelegate {
|
||
|
||
func splitViewController(_ splitViewController: UISplitViewController, collapseSecondary secondaryViewController:UIViewController, onto primaryViewController:UIViewController) -> Bool {
|
||
masterTimelineViewController?.updateUI()
|
||
|
||
guard !isThreePanelMode else {
|
||
return true
|
||
}
|
||
|
||
if let articleViewController = (secondaryViewController as? UINavigationController)?.topViewController as? ArticleViewController {
|
||
if currentArticle != nil {
|
||
masterNavigationController.pushViewController(articleViewController, animated: false)
|
||
}
|
||
}
|
||
|
||
return true
|
||
}
|
||
|
||
func splitViewController(_ splitViewController: UISplitViewController, separateSecondaryFrom primaryViewController: UIViewController) -> UIViewController? {
|
||
masterTimelineViewController?.updateUI()
|
||
|
||
guard !isThreePanelMode else {
|
||
return subSplitViewController
|
||
}
|
||
|
||
if let articleViewController = masterNavigationController.viewControllers.last as? ArticleViewController {
|
||
articleViewController.showBars(self)
|
||
masterNavigationController.popViewController(animated: false)
|
||
let controller = addNavControllerIfNecessary(articleViewController, showButton: true)
|
||
return controller
|
||
}
|
||
|
||
if currentArticle == nil {
|
||
let articleViewController = UIStoryboard.main.instantiateController(ofType: ArticleViewController.self)
|
||
articleViewController.coordinator = self
|
||
let controller = addNavControllerIfNecessary(articleViewController, showButton: true)
|
||
return controller
|
||
}
|
||
|
||
return nil
|
||
}
|
||
|
||
}
|
||
|
||
// MARK: UINavigationControllerDelegate
|
||
|
||
extension SceneCoordinator: UINavigationControllerDelegate {
|
||
|
||
func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
|
||
|
||
if UIApplication.shared.applicationState == .background {
|
||
return
|
||
}
|
||
|
||
// If we are showing the Feeds and only the feeds start clearing stuff
|
||
if viewController === masterFeedViewController && !isThreePanelMode && !isTimelineViewControllerPending {
|
||
activityManager.invalidateCurrentActivities()
|
||
selectFeed(nil, animations: [.scroll, .select, .navigation])
|
||
return
|
||
}
|
||
|
||
// If we are using a phone and navigate away from the detail, clear up the article resources (including activity).
|
||
// Don't clear it if we have pushed an ArticleViewController, but don't yet see it on the navigation stack.
|
||
// This happens when we are going to the next unread and we need to grab another timeline to continue. The
|
||
// ArticleViewController will be pushed, but we will breifly show the Timeline. Don't clear things out when that happens.
|
||
if viewController === masterTimelineViewController && !isThreePanelMode && rootSplitViewController.isCollapsed && !isArticleViewControllerPending {
|
||
currentArticle = nil
|
||
masterTimelineViewController?.updateArticleSelection(animations: [.scroll, .select, .navigation])
|
||
activityManager.invalidateReading()
|
||
|
||
// Restore any bars hidden by the article controller
|
||
showStatusBar()
|
||
navigationController.setNavigationBarHidden(false, animated: true)
|
||
navigationController.setToolbarHidden(false, animated: true)
|
||
return
|
||
}
|
||
|
||
}
|
||
|
||
}
|
||
|
||
// MARK: Private
|
||
|
||
private extension SceneCoordinator {
|
||
|
||
func markArticlesWithUndo(_ articles: [Article], statusKey: ArticleStatus.Key, flag: Bool, completion: (() -> Void)? = nil) {
|
||
guard let undoManager = undoManager,
|
||
let markReadCommand = MarkStatusCommand(initialArticles: articles, statusKey: statusKey, flag: flag, undoManager: undoManager, completion: completion) else {
|
||
completion?()
|
||
return
|
||
}
|
||
runCommand(markReadCommand)
|
||
}
|
||
|
||
func updateUnreadCount() {
|
||
var count = 0
|
||
for article in articles {
|
||
if !article.status.read {
|
||
count += 1
|
||
}
|
||
}
|
||
timelineUnreadCount = count
|
||
}
|
||
|
||
func rebuildArticleDictionaries() {
|
||
var idDictionary = [String: Article]()
|
||
|
||
articles.forEach { article in
|
||
idDictionary[article.articleID] = article
|
||
}
|
||
|
||
_idToArticleDictionary = idDictionary
|
||
articleDictionaryNeedsUpdate = false
|
||
}
|
||
|
||
func ensureFeedIsAvailableToSelect(_ feed: Feed, completion: @escaping () -> Void) {
|
||
addToFilterExeptionsIfNecessary(feed)
|
||
addShadowTableToFilterExceptions()
|
||
|
||
rebuildBackingStores(completion: {
|
||
self.treeControllerDelegate.resetFilterExceptions()
|
||
completion()
|
||
})
|
||
}
|
||
|
||
func addToFilterExeptionsIfNecessary(_ feed: Feed?) {
|
||
if isReadFeedsFiltered, let feedID = feed?.feedID {
|
||
if feed is SmartFeed {
|
||
treeControllerDelegate.addFilterException(feedID)
|
||
} else if let folderFeed = feed as? Folder {
|
||
if folderFeed.account?.existingFolder(withID: folderFeed.folderID) != nil {
|
||
treeControllerDelegate.addFilterException(feedID)
|
||
}
|
||
} else if let webFeed = feed as? WebFeed {
|
||
if webFeed.account?.existingWebFeed(withWebFeedID: webFeed.webFeedID) != nil {
|
||
treeControllerDelegate.addFilterException(feedID)
|
||
addParentFolderToFilterExceptions(webFeed)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
func addParentFolderToFilterExceptions(_ feed: Feed) {
|
||
guard let node = treeController.rootNode.descendantNodeRepresentingObject(feed as AnyObject),
|
||
let folder = node.parent?.representedObject as? Folder,
|
||
let folderFeedID = folder.feedID else {
|
||
return
|
||
}
|
||
|
||
treeControllerDelegate.addFilterException(folderFeedID)
|
||
}
|
||
|
||
func addShadowTableToFilterExceptions() {
|
||
for section in shadowTable {
|
||
for feedNode in section.feedNodes {
|
||
if let feed = feedNode.node.representedObject as? Feed, let feedID = feed.feedID {
|
||
treeControllerDelegate.addFilterException(feedID)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
func queueRebuildBackingStores() {
|
||
rebuildBackingStoresQueue.add(self, #selector(rebuildBackingStoresWithDefaults))
|
||
}
|
||
|
||
@objc func rebuildBackingStoresWithDefaults() {
|
||
rebuildBackingStores()
|
||
}
|
||
|
||
func rebuildBackingStores(initialLoad: Bool = false, updateExpandedNodes: (() -> Void)? = nil, completion: (() -> Void)? = nil) {
|
||
if !BatchUpdate.shared.isPerforming {
|
||
addToFilterExeptionsIfNecessary(timelineFeed)
|
||
treeController.rebuild()
|
||
treeControllerDelegate.resetFilterExceptions()
|
||
|
||
updateExpandedNodes?()
|
||
let changes = rebuildShadowTable()
|
||
masterFeedViewController.reloadFeeds(initialLoad: initialLoad, changes: changes, completion: completion)
|
||
}
|
||
}
|
||
|
||
func rebuildShadowTable() -> ShadowTableChanges {
|
||
var newShadowTable = [(sectionID: String, feedNodes: [FeedNode])]()
|
||
|
||
for i in 0..<treeController.rootNode.numberOfChildNodes {
|
||
|
||
var feedNodes = [FeedNode]()
|
||
let sectionNode = treeController.rootNode.childAtIndex(i)!
|
||
|
||
if isExpanded(sectionNode) {
|
||
for node in sectionNode.childNodes {
|
||
feedNodes.append(FeedNode(node))
|
||
if isExpanded(node) {
|
||
for child in node.childNodes {
|
||
feedNodes.append(FeedNode(child))
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
let sectionID = (sectionNode.representedObject as? Account)?.accountID ?? ""
|
||
newShadowTable.append((sectionID: sectionID, feedNodes: feedNodes))
|
||
}
|
||
|
||
// If we have a current Feed IndexPath it is no longer valid and needs reset.
|
||
if currentFeedIndexPath != nil {
|
||
currentFeedIndexPath = indexPathFor(timelineFeed as AnyObject)
|
||
}
|
||
|
||
// Compute the differences in the shadow table rows
|
||
var changes = [ShadowTableChanges.RowChanges]()
|
||
|
||
for (section, newSectionRows) in newShadowTable.enumerated() {
|
||
var moves = Set<ShadowTableChanges.Move>()
|
||
var inserts = Set<Int>()
|
||
var deletes = Set<Int>()
|
||
|
||
let oldFeedNodes = shadowTable.first(where: { $0.sectionID == newSectionRows.sectionID })?.feedNodes ?? [FeedNode]()
|
||
|
||
let diff = newSectionRows.feedNodes.difference(from: oldFeedNodes).inferringMoves()
|
||
for change in diff {
|
||
switch change {
|
||
case .insert(let offset, _, let associated):
|
||
if let associated = associated {
|
||
moves.insert(ShadowTableChanges.Move(associated, offset))
|
||
} else {
|
||
inserts.insert(offset)
|
||
}
|
||
case .remove(let offset, _, let associated):
|
||
if let associated = associated {
|
||
moves.insert(ShadowTableChanges.Move(offset, associated))
|
||
} else {
|
||
deletes.insert(offset)
|
||
}
|
||
}
|
||
}
|
||
|
||
changes.append(ShadowTableChanges.RowChanges(section: section, deletes: deletes, inserts: inserts, moves: moves))
|
||
}
|
||
|
||
// Compute the difference in the shadow table sections
|
||
var moves = Set<ShadowTableChanges.Move>()
|
||
var inserts = Set<Int>()
|
||
var deletes = Set<Int>()
|
||
|
||
let oldSections = shadowTable.map { $0.sectionID }
|
||
let newSections = newShadowTable.map { $0.sectionID }
|
||
let diff = newSections.difference(from: oldSections).inferringMoves()
|
||
for change in diff {
|
||
switch change {
|
||
case .insert(let offset, _, let associated):
|
||
if let associated = associated {
|
||
moves.insert(ShadowTableChanges.Move(associated, offset))
|
||
} else {
|
||
inserts.insert(offset)
|
||
}
|
||
case .remove(let offset, _, let associated):
|
||
if let associated = associated {
|
||
moves.insert(ShadowTableChanges.Move(offset, associated))
|
||
} else {
|
||
deletes.insert(offset)
|
||
}
|
||
}
|
||
}
|
||
|
||
shadowTable = newShadowTable
|
||
|
||
return ShadowTableChanges(deletes: deletes, inserts: inserts, moves: moves, rowChanges: changes)
|
||
}
|
||
|
||
func shadowTableContains(_ feed: Feed) -> Bool {
|
||
for section in shadowTable {
|
||
for feedNode in section.feedNodes {
|
||
if let nodeFeed = feedNode.node.representedObject as? Feed, nodeFeed.feedID == feed.feedID {
|
||
return true
|
||
}
|
||
}
|
||
}
|
||
return false
|
||
}
|
||
|
||
func clearTimelineIfNoLongerAvailable() {
|
||
if let feed = timelineFeed, !shadowTableContains(feed) {
|
||
selectFeed(nil, deselectArticle: true)
|
||
}
|
||
}
|
||
|
||
func indexPathFor(_ object: AnyObject) -> IndexPath? {
|
||
guard let node = treeController.rootNode.descendantNodeRepresentingObject(object) else {
|
||
return nil
|
||
}
|
||
return indexPathFor(node)
|
||
}
|
||
|
||
func setTimelineFeed(_ feed: Feed?, animated: Bool, completion: (() -> Void)? = nil) {
|
||
timelineFeed = feed
|
||
|
||
fetchAndReplaceArticlesAsync(animated: animated) {
|
||
self.masterTimelineViewController?.reinitializeArticles(resetScroll: true)
|
||
completion?()
|
||
}
|
||
}
|
||
|
||
func updateShowNamesAndIcons() {
|
||
|
||
if timelineFeed is WebFeed {
|
||
showFeedNames = {
|
||
for article in articles {
|
||
if !article.byline().isEmpty {
|
||
return .byline
|
||
}
|
||
}
|
||
return .none
|
||
}()
|
||
} else {
|
||
showFeedNames = .feed
|
||
}
|
||
|
||
if showFeedNames == .feed {
|
||
self.showIcons = true
|
||
return
|
||
}
|
||
|
||
if showFeedNames == .none {
|
||
self.showIcons = false
|
||
return
|
||
}
|
||
|
||
for article in articles {
|
||
if let authors = article.authors {
|
||
for author in authors {
|
||
if author.avatarURL != nil {
|
||
self.showIcons = true
|
||
return
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
self.showIcons = false
|
||
}
|
||
|
||
func markExpanded(_ containerID: ContainerIdentifier) {
|
||
expandedTable.insert(containerID)
|
||
}
|
||
|
||
func markExpanded(_ containerIdentifiable: ContainerIdentifiable) {
|
||
if let containerID = containerIdentifiable.containerID {
|
||
markExpanded(containerID)
|
||
}
|
||
}
|
||
|
||
func markExpanded(_ node: Node) {
|
||
if let containerIdentifiable = node.representedObject as? ContainerIdentifiable {
|
||
markExpanded(containerIdentifiable)
|
||
}
|
||
}
|
||
|
||
func unmarkExpanded(_ containerID: ContainerIdentifier) {
|
||
expandedTable.remove(containerID)
|
||
}
|
||
|
||
func unmarkExpanded(_ containerIdentifiable: ContainerIdentifiable) {
|
||
if let containerID = containerIdentifiable.containerID {
|
||
unmarkExpanded(containerID)
|
||
}
|
||
}
|
||
|
||
func unmarkExpanded(_ node: Node) {
|
||
if let containerIdentifiable = node.representedObject as? ContainerIdentifiable {
|
||
unmarkExpanded(containerIdentifiable)
|
||
}
|
||
}
|
||
|
||
// MARK: Select Prev Unread
|
||
|
||
@discardableResult
|
||
func selectPrevUnreadArticleInTimeline() -> Bool {
|
||
let startingRow: Int = {
|
||
if let articleRow = currentArticleRow {
|
||
return articleRow
|
||
} else {
|
||
return articles.count - 1
|
||
}
|
||
}()
|
||
|
||
return selectPrevArticleInTimeline(startingRow: startingRow)
|
||
}
|
||
|
||
func selectPrevArticleInTimeline(startingRow: Int) -> Bool {
|
||
|
||
guard startingRow >= 0 else {
|
||
return false
|
||
}
|
||
|
||
for i in (0...startingRow).reversed() {
|
||
let article = articles[i]
|
||
if !article.status.read {
|
||
selectArticle(article)
|
||
return true
|
||
}
|
||
}
|
||
|
||
return false
|
||
|
||
}
|
||
|
||
func selectPrevUnreadFeedFetcher() {
|
||
|
||
let indexPath: IndexPath = {
|
||
if currentFeedIndexPath == nil {
|
||
return IndexPath(row: 0, section: 0)
|
||
} else {
|
||
return currentFeedIndexPath!
|
||
}
|
||
}()
|
||
|
||
// Increment or wrap around the IndexPath
|
||
let nextIndexPath: IndexPath = {
|
||
if indexPath.row - 1 < 0 {
|
||
if indexPath.section - 1 < 0 {
|
||
return IndexPath(row: shadowTable[shadowTable.count - 1].feedNodes.count - 1, section: shadowTable.count - 1)
|
||
} else {
|
||
return IndexPath(row: shadowTable[indexPath.section - 1].feedNodes.count - 1, section: indexPath.section - 1)
|
||
}
|
||
} else {
|
||
return IndexPath(row: indexPath.row - 1, section: indexPath.section)
|
||
}
|
||
}()
|
||
|
||
if selectPrevUnreadFeedFetcher(startingWith: nextIndexPath) {
|
||
return
|
||
}
|
||
let maxIndexPath = IndexPath(row: shadowTable[shadowTable.count - 1].feedNodes.count - 1, section: shadowTable.count - 1)
|
||
selectPrevUnreadFeedFetcher(startingWith: maxIndexPath)
|
||
|
||
}
|
||
|
||
@discardableResult
|
||
func selectPrevUnreadFeedFetcher(startingWith indexPath: IndexPath) -> Bool {
|
||
|
||
for i in (0...indexPath.section).reversed() {
|
||
|
||
let startingRow: Int = {
|
||
if indexPath.section == i {
|
||
return indexPath.row
|
||
} else {
|
||
return shadowTable[i].feedNodes.count - 1
|
||
}
|
||
}()
|
||
|
||
for j in (0...startingRow).reversed() {
|
||
|
||
let prevIndexPath = IndexPath(row: j, section: i)
|
||
guard let node = nodeFor(prevIndexPath), let unreadCountProvider = node.representedObject as? UnreadCountProvider else {
|
||
assertionFailure()
|
||
return true
|
||
}
|
||
|
||
if isExpanded(node) {
|
||
continue
|
||
}
|
||
|
||
if unreadCountProvider.unreadCount > 0 {
|
||
selectFeed(indexPath: prevIndexPath, animations: [.scroll, .navigation])
|
||
return true
|
||
}
|
||
|
||
}
|
||
|
||
}
|
||
|
||
return false
|
||
|
||
}
|
||
|
||
// MARK: Select Next Unread
|
||
|
||
@discardableResult
|
||
func selectFirstUnreadArticleInTimeline() -> Bool {
|
||
return selectNextArticleInTimeline(startingRow: 0, animated: true)
|
||
}
|
||
|
||
@discardableResult
|
||
func selectNextUnreadArticleInTimeline() -> Bool {
|
||
let startingRow: Int = {
|
||
if let articleRow = currentArticleRow {
|
||
return articleRow + 1
|
||
} else {
|
||
return 0
|
||
}
|
||
}()
|
||
|
||
return selectNextArticleInTimeline(startingRow: startingRow, animated: false)
|
||
}
|
||
|
||
func selectNextArticleInTimeline(startingRow: Int, animated: Bool) -> Bool {
|
||
|
||
guard startingRow < articles.count else {
|
||
return false
|
||
}
|
||
|
||
for i in startingRow..<articles.count {
|
||
let article = articles[i]
|
||
if !article.status.read {
|
||
selectArticle(article, animations: [.scroll, .navigation])
|
||
return true
|
||
}
|
||
}
|
||
|
||
return false
|
||
|
||
}
|
||
|
||
func selectNextUnreadFeed(completion: @escaping () -> Void) {
|
||
|
||
let indexPath: IndexPath = {
|
||
if currentFeedIndexPath == nil {
|
||
return IndexPath(row: -1, section: 0)
|
||
} else {
|
||
return currentFeedIndexPath!
|
||
}
|
||
}()
|
||
|
||
// Increment or wrap around the IndexPath
|
||
let nextIndexPath: IndexPath = {
|
||
if indexPath.row + 1 >= shadowTable[indexPath.section].feedNodes.count {
|
||
if indexPath.section + 1 >= shadowTable.count {
|
||
return IndexPath(row: 0, section: 0)
|
||
} else {
|
||
return IndexPath(row: 0, section: indexPath.section + 1)
|
||
}
|
||
} else {
|
||
return IndexPath(row: indexPath.row + 1, section: indexPath.section)
|
||
}
|
||
}()
|
||
|
||
selectNextUnreadFeed(startingWith: nextIndexPath) { found in
|
||
if !found {
|
||
self.selectNextUnreadFeed(startingWith: IndexPath(row: 0, section: 0)) { _ in
|
||
completion()
|
||
}
|
||
} else {
|
||
completion()
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
func selectNextUnreadFeed(startingWith indexPath: IndexPath, completion: @escaping (Bool) -> Void) {
|
||
|
||
for i in indexPath.section..<shadowTable.count {
|
||
|
||
let startingRow: Int = {
|
||
if indexPath.section == i {
|
||
return indexPath.row
|
||
} else {
|
||
return 0
|
||
}
|
||
}()
|
||
|
||
for j in startingRow..<shadowTable[i].feedNodes.count {
|
||
|
||
let nextIndexPath = IndexPath(row: j, section: i)
|
||
guard let node = nodeFor(nextIndexPath), let unreadCountProvider = node.representedObject as? UnreadCountProvider else {
|
||
assertionFailure()
|
||
completion(false)
|
||
return
|
||
}
|
||
|
||
if isExpanded(node) {
|
||
continue
|
||
}
|
||
|
||
if unreadCountProvider.unreadCount > 0 {
|
||
selectFeed(indexPath: nextIndexPath, animations: [.scroll, .navigation], deselectArticle: false) {
|
||
self.currentArticle = nil
|
||
completion(true)
|
||
}
|
||
return
|
||
}
|
||
|
||
}
|
||
|
||
}
|
||
|
||
completion(false)
|
||
|
||
}
|
||
|
||
// MARK: Fetching Articles
|
||
|
||
func emptyTheTimeline() {
|
||
if !articles.isEmpty {
|
||
replaceArticles(with: Set<Article>(), animated: false)
|
||
}
|
||
}
|
||
|
||
func sortParametersDidChange() {
|
||
replaceArticles(with: Set(articles), animated: true)
|
||
}
|
||
|
||
func replaceArticles(with unsortedArticles: Set<Article>, animated: Bool) {
|
||
let sortedArticles = Array(unsortedArticles).sortedByDate(sortDirection, groupByFeed: groupByFeed)
|
||
replaceArticles(with: sortedArticles, animated: animated)
|
||
}
|
||
|
||
func replaceArticles(with sortedArticles: ArticleArray, animated: Bool) {
|
||
if articles != sortedArticles {
|
||
articles = sortedArticles
|
||
updateShowNamesAndIcons()
|
||
updateUnreadCount()
|
||
masterTimelineViewController?.reloadArticles(animated: animated)
|
||
}
|
||
}
|
||
|
||
func queueFetchAndMergeArticles() {
|
||
fetchAndMergeArticlesQueue.add(self, #selector(fetchAndMergeArticlesAsync))
|
||
}
|
||
|
||
@objc func fetchAndMergeArticlesAsync() {
|
||
fetchAndMergeArticlesAsync(animated: true) {
|
||
self.masterTimelineViewController?.reinitializeArticles(resetScroll: false)
|
||
self.masterTimelineViewController?.restoreSelectionIfNecessary(adjustScroll: false)
|
||
}
|
||
}
|
||
|
||
func fetchAndMergeArticlesAsync(animated: Bool = true, completion: (() -> Void)? = nil) {
|
||
|
||
guard let timelineFeed = timelineFeed else {
|
||
return
|
||
}
|
||
|
||
fetchUnsortedArticlesAsync(for: [timelineFeed]) { [weak self] (unsortedArticles) in
|
||
// Merge articles by articleID. For any unique articleID in current articles, add to unsortedArticles.
|
||
guard let strongSelf = self else {
|
||
return
|
||
}
|
||
let unsortedArticleIDs = unsortedArticles.articleIDs()
|
||
var updatedArticles = unsortedArticles
|
||
for article in strongSelf.articles {
|
||
if !unsortedArticleIDs.contains(article.articleID) {
|
||
updatedArticles.insert(article)
|
||
}
|
||
if article.account?.existingWebFeed(withWebFeedID: article.webFeedID) == nil {
|
||
updatedArticles.remove(article)
|
||
}
|
||
}
|
||
|
||
strongSelf.replaceArticles(with: updatedArticles, animated: animated)
|
||
completion?()
|
||
}
|
||
|
||
}
|
||
|
||
func cancelPendingAsyncFetches() {
|
||
fetchSerialNumber += 1
|
||
fetchRequestQueue.cancelAllRequests()
|
||
}
|
||
|
||
func fetchAndReplaceArticlesAsync(animated: Bool, completion: @escaping () -> Void) {
|
||
// To be called when we need to do an entire fetch, but an async delay is okay.
|
||
// Example: we have the Today feed selected, and the calendar day just changed.
|
||
cancelPendingAsyncFetches()
|
||
guard let timelineFeed = timelineFeed else {
|
||
emptyTheTimeline()
|
||
completion()
|
||
return
|
||
}
|
||
|
||
var fetchers = [ArticleFetcher]()
|
||
fetchers.append(timelineFeed)
|
||
if exceptionArticleFetcher != nil {
|
||
fetchers.append(exceptionArticleFetcher!)
|
||
exceptionArticleFetcher = nil
|
||
}
|
||
|
||
fetchUnsortedArticlesAsync(for: fetchers) { [weak self] (articles) in
|
||
self?.replaceArticles(with: articles, animated: animated)
|
||
completion()
|
||
}
|
||
|
||
}
|
||
|
||
func fetchUnsortedArticlesAsync(for representedObjects: [Any], completion: @escaping ArticleSetBlock) {
|
||
// The callback will *not* be called if the fetch is no longer relevant — that is,
|
||
// if it’s been superseded by a newer fetch, or the timeline was emptied, etc., it won’t get called.
|
||
precondition(Thread.isMainThread)
|
||
cancelPendingAsyncFetches()
|
||
|
||
let fetchers = representedObjects.compactMap { $0 as? ArticleFetcher }
|
||
let fetchOperation = FetchRequestOperation(id: fetchSerialNumber, readFilterEnabledTable: readFilterEnabledTable, fetchers: fetchers) { [weak self] (articles, operation) in
|
||
precondition(Thread.isMainThread)
|
||
guard !operation.isCanceled, let strongSelf = self, operation.id == strongSelf.fetchSerialNumber else {
|
||
return
|
||
}
|
||
completion(articles)
|
||
}
|
||
|
||
fetchRequestQueue.add(fetchOperation)
|
||
}
|
||
|
||
func timelineFetcherContainsAnyPseudoFeed() -> Bool {
|
||
if timelineFeed is PseudoFeed {
|
||
return true
|
||
}
|
||
return false
|
||
}
|
||
|
||
func timelineFetcherContainsAnyFolder() -> Bool {
|
||
if timelineFeed is Folder {
|
||
return true
|
||
}
|
||
return false
|
||
}
|
||
|
||
func timelineFetcherContainsAnyFeed(_ feeds: Set<WebFeed>) -> Bool {
|
||
|
||
// Return true if there’s a match or if a folder contains (recursively) one of feeds
|
||
|
||
if let feed = timelineFeed as? WebFeed {
|
||
for oneFeed in feeds {
|
||
if feed.webFeedID == oneFeed.webFeedID || feed.url == oneFeed.url {
|
||
return true
|
||
}
|
||
}
|
||
} else if let folder = timelineFeed as? Folder {
|
||
for oneFeed in feeds {
|
||
if folder.hasWebFeed(with: oneFeed.webFeedID) || folder.hasWebFeed(withURL: oneFeed.url) {
|
||
return true
|
||
}
|
||
}
|
||
}
|
||
|
||
return false
|
||
|
||
}
|
||
|
||
// MARK: Three Panel Mode
|
||
|
||
func installTimelineControllerIfNecessary(animated: Bool) {
|
||
if navControllerForTimeline().viewControllers.filter({ $0 is MasterTimelineViewController }).count < 1 {
|
||
isTimelineViewControllerPending = true
|
||
masterTimelineViewController = UIStoryboard.main.instantiateController(ofType: MasterTimelineViewController.self)
|
||
masterTimelineViewController!.coordinator = self
|
||
navControllerForTimeline().pushViewController(masterTimelineViewController!, animated: animated)
|
||
}
|
||
}
|
||
|
||
@discardableResult
|
||
func installArticleController(state: ArticleViewController.State? = nil, animated: Bool) -> ArticleViewController {
|
||
|
||
isArticleViewControllerPending = true
|
||
|
||
let articleController = UIStoryboard.main.instantiateController(ofType: ArticleViewController.self)
|
||
articleController.coordinator = self
|
||
articleController.article = currentArticle
|
||
articleController.restoreState = state
|
||
|
||
if let subSplit = subSplitViewController {
|
||
let controller = addNavControllerIfNecessary(articleController, showButton: false)
|
||
subSplit.showDetailViewController(controller, sender: self)
|
||
} else if rootSplitViewController.isCollapsed || wasRootSplitViewControllerCollapsed {
|
||
masterNavigationController.pushViewController(articleController, animated: animated)
|
||
} else {
|
||
let controller = addNavControllerIfNecessary(articleController, showButton: true)
|
||
rootSplitViewController.showDetailViewController(controller, sender: self)
|
||
}
|
||
|
||
return articleController
|
||
|
||
}
|
||
|
||
func addNavControllerIfNecessary(_ controller: UIViewController, showButton: Bool) -> UIViewController {
|
||
|
||
// You will sometimes get a compact horizontal size class while in three panel mode. Dunno why it lies.
|
||
if rootSplitViewController.traitCollection.horizontalSizeClass == .compact && !isThreePanelMode {
|
||
|
||
return controller
|
||
|
||
} else {
|
||
|
||
let navController = InteractiveNavigationController.template(rootViewController: controller)
|
||
navController.isToolbarHidden = false
|
||
|
||
if showButton {
|
||
controller.navigationItem.leftBarButtonItem = rootSplitViewController.displayModeButtonItem
|
||
controller.navigationItem.leftItemsSupplementBackButton = true
|
||
} else {
|
||
controller.navigationItem.leftBarButtonItem = nil
|
||
controller.navigationItem.leftItemsSupplementBackButton = false
|
||
}
|
||
|
||
return navController
|
||
|
||
}
|
||
|
||
}
|
||
|
||
func installSubSplit() {
|
||
rootSplitViewController.preferredPrimaryColumnWidthFraction = 0.30
|
||
|
||
subSplitViewController = UISplitViewController()
|
||
subSplitViewController!.preferredDisplayMode = .allVisible
|
||
subSplitViewController!.viewControllers = [InteractiveNavigationController.template()]
|
||
subSplitViewController!.preferredPrimaryColumnWidthFraction = 0.4285
|
||
|
||
rootSplitViewController.showDetailViewController(subSplitViewController!, sender: self)
|
||
rootSplitViewController.setOverrideTraitCollection(UITraitCollection(horizontalSizeClass: .regular), forChild: subSplitViewController!)
|
||
}
|
||
|
||
func navControllerForTimeline() -> UINavigationController {
|
||
if let subSplit = subSplitViewController {
|
||
return subSplit.viewControllers.first as! UINavigationController
|
||
} else {
|
||
return masterNavigationController
|
||
}
|
||
}
|
||
|
||
func configureThreePanelMode() {
|
||
articleViewController?.stopArticleExtractorIfProcessing()
|
||
let articleViewControllerState = articleViewController?.currentState
|
||
defer {
|
||
masterNavigationController.viewControllers = [masterFeedViewController]
|
||
}
|
||
|
||
if rootSplitViewController.viewControllers.last is InteractiveNavigationController {
|
||
_ = rootSplitViewController.viewControllers.popLast()
|
||
}
|
||
|
||
installSubSplit()
|
||
installTimelineControllerIfNecessary(animated: false)
|
||
masterTimelineViewController?.navigationItem.leftBarButtonItem = rootSplitViewController.displayModeButtonItem
|
||
masterTimelineViewController?.navigationItem.leftItemsSupplementBackButton = true
|
||
|
||
installArticleController(state: articleViewControllerState, animated: false)
|
||
|
||
masterFeedViewController.restoreSelectionIfNecessary(adjustScroll: true)
|
||
masterTimelineViewController!.restoreSelectionIfNecessary(adjustScroll: false)
|
||
}
|
||
|
||
func configureStandardPanelMode() {
|
||
articleViewController?.stopArticleExtractorIfProcessing()
|
||
let articleViewControllerState = articleViewController?.currentState
|
||
rootSplitViewController.preferredPrimaryColumnWidthFraction = UISplitViewController.automaticDimension
|
||
|
||
// Set the is Pending flags early to prevent the navigation controller delegate from thinking that we
|
||
// swiping around in the user interface
|
||
isTimelineViewControllerPending = true
|
||
isArticleViewControllerPending = true
|
||
|
||
masterNavigationController.viewControllers = [masterFeedViewController]
|
||
if rootSplitViewController.viewControllers.last is UISplitViewController {
|
||
subSplitViewController = nil
|
||
_ = rootSplitViewController.viewControllers.popLast()
|
||
}
|
||
|
||
if currentFeedIndexPath != nil {
|
||
masterTimelineViewController = UIStoryboard.main.instantiateController(ofType: MasterTimelineViewController.self)
|
||
masterTimelineViewController!.coordinator = self
|
||
masterNavigationController.pushViewController(masterTimelineViewController!, animated: false)
|
||
}
|
||
|
||
installArticleController(state: articleViewControllerState, animated: false)
|
||
}
|
||
|
||
// MARK: NSUserActivity
|
||
|
||
func windowState() -> [AnyHashable: Any] {
|
||
let containerExpandedWindowState = expandedTable.map( { $0.userInfo })
|
||
var readArticlesFilterState = [[AnyHashable: AnyHashable]: Bool]()
|
||
for key in readFilterEnabledTable.keys {
|
||
readArticlesFilterState[key.userInfo] = readFilterEnabledTable[key]
|
||
}
|
||
return [
|
||
UserInfoKey.readFeedsFilterState: isReadFeedsFiltered,
|
||
UserInfoKey.containerExpandedWindowState: containerExpandedWindowState,
|
||
UserInfoKey.readArticlesFilterState: readArticlesFilterState
|
||
]
|
||
}
|
||
|
||
func handleSelectFeed(_ userInfo: [AnyHashable : Any]?) {
|
||
guard let userInfo = userInfo,
|
||
let feedIdentifierUserInfo = userInfo[UserInfoKey.feedIdentifier] as? [AnyHashable : AnyHashable],
|
||
let feedIdentifier = FeedIdentifier(userInfo: feedIdentifierUserInfo) else {
|
||
return
|
||
}
|
||
|
||
treeControllerDelegate.addFilterException(feedIdentifier)
|
||
|
||
switch feedIdentifier {
|
||
|
||
case .smartFeed:
|
||
guard let smartFeed = SmartFeedsController.shared.find(by: feedIdentifier) else { return }
|
||
|
||
markExpanded(SmartFeedsController.shared)
|
||
rebuildBackingStores(completion: {
|
||
self.treeControllerDelegate.resetFilterExceptions()
|
||
if let indexPath = self.indexPathFor(smartFeed) {
|
||
self.selectFeed(indexPath: indexPath) {
|
||
self.masterFeedViewController.focus()
|
||
}
|
||
}
|
||
})
|
||
|
||
case .script:
|
||
break
|
||
|
||
case .folder(let accountID, let folderName):
|
||
guard let accountNode = self.findAccountNode(accountID: accountID),
|
||
let account = accountNode.representedObject as? Account else {
|
||
return
|
||
}
|
||
|
||
markExpanded(account)
|
||
|
||
rebuildBackingStores(completion: {
|
||
self.treeControllerDelegate.resetFilterExceptions()
|
||
|
||
if let folderNode = self.findFolderNode(folderName: folderName, beginningAt: accountNode), let indexPath = self.indexPathFor(folderNode) {
|
||
self.selectFeed(indexPath: indexPath) {
|
||
self.masterFeedViewController.focus()
|
||
}
|
||
}
|
||
})
|
||
|
||
case .webFeed(let accountID, let webFeedID):
|
||
guard let accountNode = findAccountNode(accountID: accountID),
|
||
let account = accountNode.representedObject as? Account,
|
||
let webFeed = account.existingWebFeed(withWebFeedID: webFeedID) else {
|
||
return
|
||
}
|
||
|
||
self.discloseWebFeed(webFeed) {
|
||
self.masterFeedViewController.focus()
|
||
}
|
||
}
|
||
}
|
||
|
||
func handleReadArticle(_ userInfo: [AnyHashable : Any]?) {
|
||
guard let userInfo = userInfo else { return }
|
||
|
||
guard let articlePathUserInfo = userInfo[UserInfoKey.articlePath] as? [AnyHashable : Any],
|
||
let accountID = articlePathUserInfo[ArticlePathKey.accountID] as? String,
|
||
let accountName = articlePathUserInfo[ArticlePathKey.accountName] as? String,
|
||
let webFeedID = articlePathUserInfo[ArticlePathKey.webFeedID] as? String,
|
||
let articleID = articlePathUserInfo[ArticlePathKey.articleID] as? String,
|
||
let accountNode = findAccountNode(accountID: accountID, accountName: accountName),
|
||
let account = accountNode.representedObject as? Account else {
|
||
return
|
||
}
|
||
|
||
exceptionArticleFetcher = SingleArticleFetcher(account: account, articleID: articleID)
|
||
|
||
if restoreFeedSelection(userInfo, accountID: accountID, webFeedID: webFeedID, articleID: articleID) {
|
||
return
|
||
}
|
||
|
||
guard let webFeed = account.existingWebFeed(withWebFeedID: webFeedID) else {
|
||
return
|
||
}
|
||
|
||
discloseWebFeed(webFeed) {
|
||
self.selectArticleInCurrentFeed(articleID)
|
||
}
|
||
}
|
||
|
||
func restoreFeedSelection(_ userInfo: [AnyHashable : Any], accountID: String, webFeedID: String, articleID: String) -> Bool {
|
||
guard let feedIdentifierUserInfo = userInfo[UserInfoKey.feedIdentifier] as? [AnyHashable : AnyHashable],
|
||
let feedIdentifier = FeedIdentifier(userInfo: feedIdentifierUserInfo),
|
||
let isShowingExtractedArticle = userInfo[UserInfoKey.isShowingExtractedArticle] as? Bool,
|
||
let articleWindowScrollY = userInfo[UserInfoKey.articleWindowScrollY] as? Int else {
|
||
return false
|
||
}
|
||
|
||
switch feedIdentifier {
|
||
|
||
case .script:
|
||
return false
|
||
|
||
case .smartFeed, .folder:
|
||
let found = selectFeedAndArticle(feedIdentifier: feedIdentifier, articleID: articleID, isShowingExtractedArticle: isShowingExtractedArticle, articleWindowScrollY: articleWindowScrollY)
|
||
if found {
|
||
treeControllerDelegate.addFilterException(feedIdentifier)
|
||
}
|
||
return found
|
||
|
||
case .webFeed:
|
||
let found = selectFeedAndArticle(feedIdentifier: feedIdentifier, articleID: articleID, isShowingExtractedArticle: isShowingExtractedArticle, articleWindowScrollY: articleWindowScrollY)
|
||
if found {
|
||
treeControllerDelegate.addFilterException(feedIdentifier)
|
||
if let webFeedNode = nodeFor(feedID: feedIdentifier), let folder = webFeedNode.parent?.representedObject as? Folder, let folderFeedID = folder.feedID {
|
||
treeControllerDelegate.addFilterException(folderFeedID)
|
||
}
|
||
}
|
||
return found
|
||
|
||
}
|
||
|
||
}
|
||
|
||
func findAccountNode(accountID: String, accountName: String? = nil) -> Node? {
|
||
if let node = treeController.rootNode.descendantNode(where: { ($0.representedObject as? Account)?.accountID == accountID }) {
|
||
return node
|
||
}
|
||
|
||
if let accountName = accountName, let node = treeController.rootNode.descendantNode(where: { ($0.representedObject as? Account)?.nameForDisplay == accountName }) {
|
||
return node
|
||
}
|
||
|
||
return nil
|
||
}
|
||
|
||
func findFolderNode(folderName: String, beginningAt startingNode: Node) -> Node? {
|
||
if let node = startingNode.descendantNode(where: { ($0.representedObject as? Folder)?.nameForDisplay == folderName }) {
|
||
return node
|
||
}
|
||
return nil
|
||
}
|
||
|
||
func findWebFeedNode(webFeedID: String, beginningAt startingNode: Node) -> Node? {
|
||
if let node = startingNode.descendantNode(where: { ($0.representedObject as? WebFeed)?.webFeedID == webFeedID }) {
|
||
return node
|
||
}
|
||
return nil
|
||
}
|
||
|
||
func selectFeedAndArticle(feedIdentifier: FeedIdentifier, articleID: String, isShowingExtractedArticle: Bool, articleWindowScrollY: Int) -> Bool {
|
||
guard let feedNode = nodeFor(feedID: feedIdentifier), let feedIndexPath = indexPathFor(feedNode) else { return false }
|
||
|
||
selectFeed(indexPath: feedIndexPath) {
|
||
self.selectArticleInCurrentFeed(articleID, isShowingExtractedArticle: isShowingExtractedArticle, articleWindowScrollY: articleWindowScrollY)
|
||
}
|
||
|
||
return true
|
||
}
|
||
|
||
}
|