mirror of
https://github.com/Ranchero-Software/NetNewsWire.git
synced 2024-12-15 02:46:16 +01:00
1930 lines
56 KiB
Swift
1930 lines
56 KiB
Swift
//
|
||
// NavigationModelController.swift
|
||
// NetNewsWire-iOS
|
||
//
|
||
// Created by Maurice Parker on 4/21/19.
|
||
// Copyright © 2019 Ranchero Software. All rights reserved.
|
||
//
|
||
|
||
import UIKit
|
||
import UserNotifications
|
||
import Account
|
||
import Articles
|
||
import RSCore
|
||
import RSTree
|
||
|
||
enum PanelMode {
|
||
case unset
|
||
case three
|
||
case standard
|
||
}
|
||
enum SearchScope: Int {
|
||
case timeline = 0
|
||
case global = 1
|
||
}
|
||
|
||
class SceneCoordinator: NSObject, UndoableCommandRunner, UnreadCountProvider {
|
||
|
||
var undoableCommands = [UndoableCommand]()
|
||
var undoManager: UndoManager? {
|
||
return rootSplitViewController.undoManager
|
||
}
|
||
|
||
private var panelMode: PanelMode = .unset
|
||
|
||
private var activityManager = ActivityManager()
|
||
|
||
private var isShowingExtractedArticle = false
|
||
private var articleExtractor: ArticleExtractor? = nil
|
||
|
||
private var rootSplitViewController: RootSplitViewController!
|
||
private var masterNavigationController: UINavigationController!
|
||
private var masterFeedViewController: MasterFeedViewController!
|
||
private var masterTimelineViewController: MasterTimelineViewController?
|
||
private var subSplitViewController: UISplitViewController?
|
||
|
||
private var articleViewController: ArticleViewController? {
|
||
if let detail = masterNavigationController.viewControllers.last as? ArticleViewController {
|
||
return detail
|
||
}
|
||
if let subSplit = subSplitViewController {
|
||
if let navController = subSplit.viewControllers.last as? UINavigationController {
|
||
return navController.topViewController as? ArticleViewController
|
||
}
|
||
} else {
|
||
if let navController = rootSplitViewController.viewControllers.last as? UINavigationController {
|
||
return navController.topViewController as? ArticleViewController
|
||
}
|
||
}
|
||
return nil
|
||
}
|
||
|
||
private var wasRootSplitViewControllerCollapsed = false
|
||
|
||
private let fetchAndMergeArticlesQueue = CoalescingQueue(name: "Fetch and Merge Articles", interval: 0.5)
|
||
private var fetchSerialNumber = 0
|
||
private let fetchRequestQueue = FetchRequestQueue()
|
||
|
||
private var animatingChanges = false
|
||
private var expandedTable = Set<ContainerIdentifier>()
|
||
private var shadowTable = [[Node]]()
|
||
private var lastSearchString = ""
|
||
private var lastSearchScope: SearchScope? = nil
|
||
private var isSearching: Bool = false
|
||
private var savedSearchArticles: ArticleArray? = nil
|
||
private var savedSearchArticleIds: Set<String>? = nil
|
||
var isTimelineViewControllerPending = false
|
||
var isArticleViewControllerPending = false
|
||
|
||
private(set) var sortDirection = AppDefaults.timelineSortDirection {
|
||
didSet {
|
||
if sortDirection != oldValue {
|
||
sortParametersDidChange()
|
||
}
|
||
}
|
||
}
|
||
private(set) var groupByFeed = AppDefaults.timelineGroupByFeed {
|
||
didSet {
|
||
if groupByFeed != oldValue {
|
||
sortParametersDidChange()
|
||
}
|
||
}
|
||
}
|
||
|
||
var prefersStatusBarHidden = false
|
||
|
||
var displayUndoAvailableTip: Bool {
|
||
get { AppDefaults.displayUndoAvailableTip }
|
||
set { AppDefaults.displayUndoAvailableTip = newValue }
|
||
}
|
||
|
||
private let treeControllerDelegate = WebFeedTreeControllerDelegate()
|
||
private let treeController: TreeController
|
||
|
||
var stateRestorationActivity: NSUserActivity {
|
||
let activity = activityManager.stateRestorationActivity
|
||
var userInfo = activity.userInfo == nil ? [AnyHashable: Any]() : activity.userInfo
|
||
userInfo![UserInfoKey.windowState] = windowState()
|
||
activity.userInfo = userInfo
|
||
return activity
|
||
}
|
||
|
||
var isRootSplitCollapsed: Bool {
|
||
return rootSplitViewController.isCollapsed
|
||
}
|
||
|
||
var isThreePanelMode: Bool {
|
||
return panelMode == .three
|
||
}
|
||
|
||
var isReadFeedsFiltered: Bool {
|
||
return treeControllerDelegate.isReadFiltered
|
||
}
|
||
|
||
var articleReadFilterType: ReadFilterType = .none
|
||
|
||
var rootNode: Node {
|
||
return treeController.rootNode
|
||
}
|
||
|
||
private(set) var currentFeedIndexPath: IndexPath?
|
||
|
||
var timelineIconImage: IconImage? {
|
||
if let feed = timelineFeed as? WebFeed {
|
||
|
||
let feedIconImage = appDelegate.webFeedIconDownloader.icon(for: feed)
|
||
if feedIconImage != nil {
|
||
return feedIconImage
|
||
}
|
||
|
||
if let faviconIconImage = appDelegate.faviconDownloader.faviconAsIcon(for: feed) {
|
||
return faviconIconImage
|
||
}
|
||
|
||
}
|
||
|
||
return (timelineFeed as? SmallIconProvider)?.smallIcon
|
||
}
|
||
|
||
private(set) var timelineFeed: Feed?
|
||
|
||
var timelineMiddleIndexPath: IndexPath?
|
||
|
||
private(set) var showFeedNames = false
|
||
private(set) var showIcons = false
|
||
|
||
var isPrevFeedAvailable: Bool {
|
||
guard let indexPath = currentFeedIndexPath else {
|
||
return false
|
||
}
|
||
return indexPath.section > 0 || indexPath.row > 0
|
||
}
|
||
|
||
var isNextFeedAvailable: Bool {
|
||
guard let indexPath = currentFeedIndexPath else {
|
||
return false
|
||
}
|
||
|
||
let nextIndexPath: IndexPath = {
|
||
if indexPath.row + 1 >= shadowTable[indexPath.section].count {
|
||
return IndexPath(row: 0, section: indexPath.section + 1)
|
||
} else {
|
||
return IndexPath(row: indexPath.row + 1, section: indexPath.section)
|
||
}
|
||
}()
|
||
|
||
return nextIndexPath.section < shadowTable.count && nextIndexPath.row < shadowTable[nextIndexPath.section].count
|
||
}
|
||
|
||
var prevFeedIndexPath: IndexPath? {
|
||
guard isPrevFeedAvailable, let indexPath = currentFeedIndexPath else {
|
||
return nil
|
||
}
|
||
|
||
let prevIndexPath: IndexPath = {
|
||
if indexPath.row - 1 < 0 {
|
||
return IndexPath(row: shadowTable[indexPath.section - 1].count - 1, section: indexPath.section - 1)
|
||
} else {
|
||
return IndexPath(row: indexPath.row - 1, section: indexPath.section)
|
||
}
|
||
}()
|
||
|
||
return prevIndexPath
|
||
}
|
||
|
||
var nextFeedIndexPath: IndexPath? {
|
||
guard isNextFeedAvailable, let indexPath = currentFeedIndexPath else {
|
||
return nil
|
||
}
|
||
|
||
let nextIndexPath: IndexPath = {
|
||
if indexPath.row + 1 >= shadowTable[indexPath.section].count {
|
||
return IndexPath(row: 0, section: indexPath.section + 1)
|
||
} else {
|
||
return IndexPath(row: indexPath.row + 1, section: indexPath.section)
|
||
}
|
||
}()
|
||
|
||
return nextIndexPath
|
||
}
|
||
|
||
var isPrevArticleAvailable: Bool {
|
||
guard let articleRow = currentArticleRow else {
|
||
return false
|
||
}
|
||
return articleRow > 0
|
||
}
|
||
|
||
var isNextArticleAvailable: Bool {
|
||
guard let articleRow = currentArticleRow else {
|
||
return false
|
||
}
|
||
return articleRow + 1 < articles.count
|
||
}
|
||
|
||
var prevArticle: Article? {
|
||
guard isPrevArticleAvailable, let articleRow = currentArticleRow else {
|
||
return nil
|
||
}
|
||
return articles[articleRow - 1]
|
||
}
|
||
|
||
var nextArticle: Article? {
|
||
guard isNextArticleAvailable, let articleRow = currentArticleRow else {
|
||
return nil
|
||
}
|
||
return articles[articleRow + 1]
|
||
}
|
||
|
||
var firstUnreadArticleIndexPath: IndexPath? {
|
||
for (row, article) in articles.enumerated() {
|
||
if !article.status.read {
|
||
return IndexPath(row: row, section: 0)
|
||
}
|
||
}
|
||
return nil
|
||
}
|
||
|
||
var currentArticle: Article?
|
||
|
||
private(set) var articles = ArticleArray()
|
||
private var currentArticleRow: Int? {
|
||
guard let article = currentArticle else { return nil }
|
||
return articles.firstIndex(of: article)
|
||
}
|
||
|
||
var isTimelineUnreadAvailable: Bool {
|
||
return timelineFeed?.unreadCount ?? 0 > 0
|
||
}
|
||
|
||
var isAnyUnreadAvailable: Bool {
|
||
return appDelegate.unreadCount > 0
|
||
}
|
||
|
||
var unreadCount: Int = 0 {
|
||
didSet {
|
||
if unreadCount != oldValue {
|
||
postUnreadCountDidChangeNotification()
|
||
}
|
||
}
|
||
}
|
||
|
||
override init() {
|
||
treeController = TreeController(delegate: treeControllerDelegate)
|
||
|
||
super.init()
|
||
|
||
for sectionNode in treeController.rootNode.childNodes {
|
||
markExpanded(sectionNode)
|
||
shadowTable.append([Node]())
|
||
}
|
||
|
||
NotificationCenter.default.addObserver(self, selector: #selector(unreadCountDidInitialize(_:)), name: .UnreadCountDidInitialize, object: nil)
|
||
NotificationCenter.default.addObserver(self, selector: #selector(statusesDidChange(_:)), name: .StatusesDidChange, object: nil)
|
||
NotificationCenter.default.addObserver(self, selector: #selector(containerChildrenDidChange(_:)), name: .ChildrenDidChange, object: nil)
|
||
NotificationCenter.default.addObserver(self, selector: #selector(batchUpdateDidPerform(_:)), name: .BatchUpdateDidPerform, object: nil)
|
||
NotificationCenter.default.addObserver(self, selector: #selector(displayNameDidChange(_:)), name: .DisplayNameDidChange, object: nil)
|
||
NotificationCenter.default.addObserver(self, selector: #selector(accountStateDidChange(_:)), name: .AccountStateDidChange, object: nil)
|
||
NotificationCenter.default.addObserver(self, selector: #selector(userDidAddAccount(_:)), name: .UserDidAddAccount, object: nil)
|
||
NotificationCenter.default.addObserver(self, selector: #selector(userDidDeleteAccount(_:)), name: .UserDidDeleteAccount, object: nil)
|
||
|
||
NotificationCenter.default.addObserver(self, selector: #selector(userDefaultsDidChange(_:)), name: UserDefaults.didChangeNotification, object: nil)
|
||
NotificationCenter.default.addObserver(self, selector: #selector(accountDidDownloadArticles(_:)), name: .AccountDidDownloadArticles, object: nil)
|
||
|
||
}
|
||
|
||
func start(for size: CGSize) -> UIViewController {
|
||
rootSplitViewController = RootSplitViewController()
|
||
rootSplitViewController.coordinator = self
|
||
rootSplitViewController.preferredDisplayMode = .allVisible
|
||
rootSplitViewController.viewControllers = [InteractiveNavigationController.template()]
|
||
rootSplitViewController.delegate = self
|
||
|
||
masterNavigationController = (rootSplitViewController.viewControllers.first as! UINavigationController)
|
||
masterNavigationController.delegate = self
|
||
|
||
masterFeedViewController = UIStoryboard.main.instantiateController(ofType: MasterFeedViewController.self)
|
||
masterFeedViewController.coordinator = self
|
||
masterNavigationController.pushViewController(masterFeedViewController, animated: false)
|
||
|
||
let articleViewController = UIStoryboard.main.instantiateController(ofType: ArticleViewController.self)
|
||
articleViewController.coordinator = self
|
||
let detailNavigationController = addNavControllerIfNecessary(articleViewController, showButton: true)
|
||
rootSplitViewController.showDetailViewController(detailNavigationController, sender: self)
|
||
|
||
configurePanelMode(for: size)
|
||
|
||
return rootSplitViewController
|
||
}
|
||
|
||
func restoreWindowState(_ activity: NSUserActivity?) {
|
||
if let activity = activity, let windowState = activity.userInfo?[UserInfoKey.windowState] as? [AnyHashable: Any] {
|
||
restoreWindowState(windowState)
|
||
}
|
||
rebuildBackingStores(initialLoad: true)
|
||
}
|
||
|
||
func handle(_ activity: NSUserActivity) {
|
||
selectFeed(nil, animated: false) {
|
||
guard let activityType = ActivityType(rawValue: activity.activityType) else { return }
|
||
switch activityType {
|
||
case .restoration:
|
||
break
|
||
case .selectFeed:
|
||
self.handleSelectFeed(activity.userInfo)
|
||
case .nextUnread:
|
||
self.selectFirstUnreadInAllUnread()
|
||
case .readArticle:
|
||
self.handleReadArticle(activity.userInfo)
|
||
case .addFeedIntent:
|
||
self.showAdd(.feed)
|
||
}
|
||
}
|
||
}
|
||
|
||
func handle(_ response: UNNotificationResponse) {
|
||
let userInfo = response.notification.request.content.userInfo
|
||
handleReadArticle(userInfo)
|
||
}
|
||
|
||
func configurePanelMode(for size: CGSize) {
|
||
guard rootSplitViewController.traitCollection.userInterfaceIdiom == .pad else {
|
||
return
|
||
}
|
||
|
||
if (size.width / size.height) > 1.2 {
|
||
if panelMode == .unset || panelMode == .standard {
|
||
panelMode = .three
|
||
configureThreePanelMode()
|
||
}
|
||
} else {
|
||
if panelMode == .unset || panelMode == .three {
|
||
panelMode = .standard
|
||
configureStandardPanelMode()
|
||
}
|
||
}
|
||
|
||
wasRootSplitViewControllerCollapsed = rootSplitViewController.isCollapsed
|
||
}
|
||
|
||
func selectFirstUnreadInAllUnread() {
|
||
selectFeed(IndexPath(row: 1, section: 0), animated: false) {
|
||
self.selectFirstUnreadArticleInTimeline()
|
||
}
|
||
}
|
||
|
||
func showSearch() {
|
||
selectFeed(nil, animated: false) {
|
||
self.installTimelineControllerIfNecessary(animated: false)
|
||
DispatchQueue.main.asyncAfter(deadline: .now()) {
|
||
self.masterTimelineViewController!.showSearchAll()
|
||
}
|
||
}
|
||
}
|
||
|
||
// MARK: Notifications
|
||
|
||
@objc func unreadCountDidInitialize(_ notification: Notification) {
|
||
guard notification.object is AccountManager else {
|
||
return
|
||
}
|
||
if isReadFeedsFiltered {
|
||
rebuildBackingStores()
|
||
}
|
||
}
|
||
|
||
@objc func statusesDidChange(_ note: Notification) {
|
||
updateUnreadCount()
|
||
}
|
||
|
||
@objc func containerChildrenDidChange(_ note: Notification) {
|
||
if timelineFetcherContainsAnyPseudoFeed() || timelineFetcherContainsAnyFolder() {
|
||
refreshTimeline()
|
||
}
|
||
rebuildBackingStores()
|
||
}
|
||
|
||
@objc func batchUpdateDidPerform(_ notification: Notification) {
|
||
rebuildBackingStores()
|
||
}
|
||
|
||
@objc func displayNameDidChange(_ note: Notification) {
|
||
rebuildBackingStores()
|
||
}
|
||
|
||
@objc func accountStateDidChange(_ note: Notification) {
|
||
let expandNewlyActivatedAccount = {
|
||
if let account = note.userInfo?[Account.UserInfoKey.account] as? Account,
|
||
account.isActive,
|
||
let node = self.treeController.rootNode.childNodeRepresentingObject(account) {
|
||
self.markExpanded(node)
|
||
}
|
||
}
|
||
|
||
if timelineFetcherContainsAnyPseudoFeed() {
|
||
fetchAndReplaceArticlesAsync(animated: true) {
|
||
self.masterTimelineViewController?.reinitializeArticles()
|
||
self.rebuildBackingStores() {
|
||
expandNewlyActivatedAccount()
|
||
}
|
||
}
|
||
} else {
|
||
rebuildBackingStores() {
|
||
expandNewlyActivatedAccount()
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
@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() {
|
||
fetchAndReplaceArticlesAsync(animated: true) {
|
||
self.masterTimelineViewController?.reinitializeArticles()
|
||
self.rebuildBackingStores() {
|
||
expandNewAccount()
|
||
}
|
||
}
|
||
} else {
|
||
rebuildBackingStores() {
|
||
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() {
|
||
fetchAndReplaceArticlesAsync(animated: true) {
|
||
self.masterTimelineViewController?.reinitializeArticles()
|
||
self.rebuildBackingStores() {
|
||
cleanupAccount()
|
||
}
|
||
}
|
||
} else {
|
||
rebuildBackingStores() {
|
||
cleanupAccount()
|
||
}
|
||
}
|
||
}
|
||
|
||
@objc func userDefaultsDidChange(_ note: Notification) {
|
||
self.sortDirection = AppDefaults.timelineSortDirection
|
||
self.groupByFeed = AppDefaults.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()
|
||
}
|
||
}
|
||
|
||
// MARK: API
|
||
|
||
func shadowNodesFor(section: Int) -> [Node] {
|
||
return shadowTable[section]
|
||
}
|
||
|
||
func cappedIndexPath(_ indexPath: IndexPath) -> IndexPath {
|
||
guard indexPath.section < shadowTable.count && indexPath.row < shadowTable[indexPath.section].count else {
|
||
return IndexPath(row: shadowTable[shadowTable.count - 1].count - 1, section: shadowTable.count - 1)
|
||
}
|
||
return indexPath
|
||
}
|
||
|
||
func unreadCountFor(_ node: Node) -> Int {
|
||
// The coordinator supplies the unread count for the currently selected feed node
|
||
if let indexPath = currentFeedIndexPath, let selectedNode = nodeFor(indexPath), selectedNode == node {
|
||
return unreadCount
|
||
}
|
||
if let unreadCountProvider = node.representedObject as? UnreadCountProvider {
|
||
return unreadCountProvider.unreadCount
|
||
}
|
||
return 0
|
||
}
|
||
|
||
func refreshTimeline() {
|
||
fetchAndReplaceArticlesAsync(animated: true) {
|
||
self.masterTimelineViewController?.reinitializeArticles()
|
||
}
|
||
}
|
||
|
||
func showAllFeeds() {
|
||
treeControllerDelegate.isReadFiltered = false
|
||
rebuildBackingStores()
|
||
}
|
||
|
||
func hideReadFeeds() {
|
||
treeControllerDelegate.isReadFiltered = true
|
||
rebuildBackingStores()
|
||
}
|
||
|
||
func showAllArticles() {
|
||
articleReadFilterType = .none
|
||
refreshTimeline()
|
||
}
|
||
|
||
func hideUnreadArticles() {
|
||
articleReadFilterType = .read
|
||
refreshTimeline()
|
||
}
|
||
|
||
func isExpanded(_ node: Node) -> Bool {
|
||
if let containerID = (node.representedObject as? ContainerIdentifiable)?.containerID {
|
||
return expandedTable.contains(containerID)
|
||
}
|
||
return false
|
||
}
|
||
|
||
func expand(_ node: Node) {
|
||
markExpanded(node)
|
||
animatingChanges = true
|
||
rebuildShadowTable()
|
||
animatingChanges = false
|
||
}
|
||
|
||
func expandAllSectionsAndFolders() {
|
||
for sectionNode in treeController.rootNode.childNodes {
|
||
markExpanded(sectionNode)
|
||
for topLevelNode in sectionNode.childNodes {
|
||
if topLevelNode.representedObject is Folder {
|
||
markExpanded(topLevelNode)
|
||
}
|
||
}
|
||
}
|
||
animatingChanges = true
|
||
rebuildShadowTable()
|
||
animatingChanges = false
|
||
}
|
||
|
||
func collapse(_ node: Node) {
|
||
unmarkExpanded(node)
|
||
animatingChanges = true
|
||
rebuildShadowTable()
|
||
animatingChanges = false
|
||
}
|
||
|
||
func collapseAllFolders() {
|
||
for sectionNode in treeController.rootNode.childNodes {
|
||
unmarkExpanded(sectionNode)
|
||
for topLevelNode in sectionNode.childNodes {
|
||
if topLevelNode.representedObject is Folder {
|
||
unmarkExpanded(topLevelNode)
|
||
}
|
||
}
|
||
}
|
||
animatingChanges = true
|
||
rebuildShadowTable()
|
||
animatingChanges = false
|
||
}
|
||
|
||
func masterFeedIndexPathForCurrentTimeline() -> IndexPath? {
|
||
guard let node = treeController.rootNode.descendantNodeRepresentingObject(timelineFeed as AnyObject) else {
|
||
return nil
|
||
}
|
||
return indexPathFor(node)
|
||
}
|
||
|
||
func selectFeed(_ indexPath: IndexPath?, animated: Bool, deselectArticle: Bool = true, completion: (() -> Void)? = nil) {
|
||
guard indexPath != currentFeedIndexPath else {
|
||
completion?()
|
||
return
|
||
}
|
||
|
||
currentFeedIndexPath = indexPath
|
||
masterFeedViewController.updateFeedSelection(animated: animated)
|
||
|
||
emptyTheTimeline()
|
||
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: animated)
|
||
setTimelineFeed(feed, animated: false) {
|
||
completion?()
|
||
}
|
||
|
||
} else {
|
||
|
||
setTimelineFeed(nil, animated: false) {
|
||
self.activityManager.invalidateSelecting()
|
||
if self.rootSplitViewController.isCollapsed && self.navControllerForTimeline().viewControllers.last is MasterTimelineViewController {
|
||
self.navControllerForTimeline().popViewController(animated: animated)
|
||
}
|
||
completion?()
|
||
}
|
||
|
||
}
|
||
|
||
}
|
||
|
||
func selectPrevFeed() {
|
||
if let indexPath = prevFeedIndexPath {
|
||
selectFeed(indexPath, animated: true)
|
||
}
|
||
}
|
||
|
||
func selectNextFeed() {
|
||
if let indexPath = nextFeedIndexPath {
|
||
selectFeed(indexPath, animated: true)
|
||
}
|
||
}
|
||
|
||
func selectTodayFeed() {
|
||
masterFeedViewController?.ensureSectionIsExpanded(0) {
|
||
self.selectFeed(IndexPath(row: 0, section: 0), animated: true)
|
||
}
|
||
}
|
||
|
||
func selectAllUnreadFeed() {
|
||
masterFeedViewController?.ensureSectionIsExpanded(0) {
|
||
self.selectFeed(IndexPath(row: 1, section: 0), animated: true)
|
||
}
|
||
}
|
||
|
||
func selectStarredFeed() {
|
||
masterFeedViewController?.ensureSectionIsExpanded(0) {
|
||
self.selectFeed(IndexPath(row: 2, section: 0), animated: true)
|
||
}
|
||
}
|
||
|
||
func selectArticle(_ article: Article?, animated: Bool = false) {
|
||
guard article != currentArticle else { return }
|
||
|
||
stopArticleExtractor()
|
||
currentArticle = article
|
||
activityManager.reading(feed: timelineFeed, article: article)
|
||
|
||
if article == nil {
|
||
if rootSplitViewController.isCollapsed {
|
||
if masterNavigationController.children.last is ArticleViewController {
|
||
masterNavigationController.popViewController(animated: animated)
|
||
}
|
||
} else {
|
||
articleViewController?.state = .noSelection
|
||
}
|
||
masterTimelineViewController?.updateArticleSelection(animated: animated)
|
||
return
|
||
}
|
||
|
||
let currentArticleViewController: ArticleViewController
|
||
if articleViewController == nil {
|
||
currentArticleViewController = installArticleController(animated: animated)
|
||
} else {
|
||
currentArticleViewController = articleViewController!
|
||
}
|
||
|
||
masterTimelineViewController?.updateArticleSelection(animated: animated)
|
||
|
||
if article!.webFeed?.isArticleExtractorAlwaysOn ?? false {
|
||
startArticleExtractorForCurrentLink()
|
||
currentArticleViewController.state = .loading
|
||
} else {
|
||
currentArticleViewController.state = .article(article!)
|
||
}
|
||
|
||
markArticles(Set([article!]), statusKey: .read, flag: true)
|
||
|
||
}
|
||
|
||
func beginSearching() {
|
||
isSearching = true
|
||
savedSearchArticles = articles
|
||
savedSearchArticleIds = Set(articles.map { $0.articleID })
|
||
setTimelineFeed(nil, animated: true)
|
||
selectArticle(nil)
|
||
}
|
||
|
||
func endSearching() {
|
||
if let ip = currentFeedIndexPath, let node = nodeFor(ip), let feed = node.representedObject as? Feed {
|
||
timelineFeed = feed
|
||
masterTimelineViewController?.reinitializeArticles()
|
||
replaceArticles(with: savedSearchArticles!, animated: true)
|
||
} else {
|
||
setTimelineFeed(nil, animated: true)
|
||
}
|
||
|
||
lastSearchString = ""
|
||
lastSearchScope = nil
|
||
savedSearchArticleIds = nil
|
||
savedSearchArticles = nil
|
||
isSearching = false
|
||
selectArticle(nil)
|
||
}
|
||
|
||
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 selectPrevArticle() {
|
||
if let article = prevArticle {
|
||
selectArticle(article)
|
||
}
|
||
}
|
||
|
||
func selectNextArticle() {
|
||
if let article = nextArticle {
|
||
selectArticle(article)
|
||
}
|
||
}
|
||
|
||
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() {
|
||
activityManager.selectingNextUnread()
|
||
return
|
||
}
|
||
|
||
selectNextUnreadFeed() {
|
||
if self.selectNextUnreadArticleInTimeline() {
|
||
self.activityManager.selectingNextUnread()
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
func scrollOrGoToNextUnread() {
|
||
if articleViewController?.canScrollDown() ?? false {
|
||
articleViewController?.scrollPageDown()
|
||
} else {
|
||
selectNextUnread()
|
||
}
|
||
}
|
||
|
||
func markAllAsRead(_ articles: [Article]) {
|
||
markArticlesWithUndo(articles, statusKey: .read, flag: true)
|
||
}
|
||
|
||
func markAllAsReadInTimeline() {
|
||
markAllAsRead(articles)
|
||
masterNavigationController.popViewController(animated: true)
|
||
}
|
||
|
||
func markAsReadOlderArticlesInTimeline() {
|
||
if let article = currentArticle {
|
||
markAsReadOlderArticlesInTimeline(article)
|
||
}
|
||
}
|
||
|
||
func markAsReadOlderArticlesInTimeline(_ article: Article) {
|
||
let articlesToMark = articles.filter { $0.logicalDatePublished < article.logicalDatePublished }
|
||
if articlesToMark.isEmpty {
|
||
return
|
||
}
|
||
markAllAsRead(articlesToMark)
|
||
}
|
||
|
||
func markAsReadForCurrentArticle() {
|
||
if let article = currentArticle {
|
||
markArticlesWithUndo([article], statusKey: .read, flag: true)
|
||
}
|
||
}
|
||
|
||
func markAsUnreadForCurrentArticle() {
|
||
if let article = currentArticle {
|
||
markArticlesWithUndo([article], statusKey: .read, flag: false)
|
||
}
|
||
}
|
||
|
||
func toggleReadForCurrentArticle() {
|
||
if let article = currentArticle {
|
||
toggleRead(article)
|
||
}
|
||
}
|
||
|
||
func toggleRead(_ article: Article) {
|
||
markArticlesWithUndo([article], statusKey: .read, flag: !article.status.read)
|
||
}
|
||
|
||
func toggleStarredForCurrentArticle() {
|
||
if let article = currentArticle {
|
||
toggleStar(article)
|
||
}
|
||
}
|
||
|
||
func toggleStar(_ article: Article) {
|
||
markArticlesWithUndo([article], statusKey: .starred, flag: !article.status.starred)
|
||
}
|
||
|
||
func discloseFeed(_ feed: WebFeed, animated: Bool, completion: (() -> Void)? = nil) {
|
||
masterFeedViewController.discloseFeed(feed, animated: animated) {
|
||
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() {
|
||
let settingsNavController = UIStoryboard.settings.instantiateInitialViewController() as! UINavigationController
|
||
let settingsViewController = settingsNavController.topViewController as! SettingsViewController
|
||
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() {
|
||
guard let feed = timelineFeed as? WebFeed 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 showAdd(_ type: AddControllerType, initialFeed: String? = nil, initialFeedName: String? = nil) {
|
||
selectFeed(nil, animated: false)
|
||
|
||
let addViewController = UIStoryboard.add.instantiateInitialViewController() as! UINavigationController
|
||
|
||
let containerController = addViewController.topViewController as! AddContainerViewController
|
||
containerController.initialControllerType = type
|
||
containerController.initialFeed = initialFeed
|
||
containerController.initialFeedName = initialFeedName
|
||
|
||
addViewController.modalPresentationStyle = .formSheet
|
||
addViewController.preferredContentSize = AddContainerViewController.preferredContentSizeForFormSheetDisplay
|
||
masterFeedViewController.present(addViewController, animated: true)
|
||
}
|
||
|
||
func showFullScreenImage(image: UIImage, transitioningDelegate: UIViewControllerTransitioningDelegate) {
|
||
let imageVC = UIStoryboard.main.instantiateController(ofType: ImageViewController.self)
|
||
imageVC.image = image
|
||
imageVC.modalPresentationStyle = .currentContext
|
||
imageVC.transitioningDelegate = transitioningDelegate
|
||
rootSplitViewController.present(imageVC, animated: true)
|
||
}
|
||
|
||
func toggleArticleExtractor() {
|
||
|
||
guard let article = currentArticle else {
|
||
return
|
||
}
|
||
|
||
guard articleExtractor?.state != .processing else {
|
||
stopArticleExtractor()
|
||
articleViewController?.state = .article(article)
|
||
return
|
||
}
|
||
|
||
guard !isShowingExtractedArticle else {
|
||
isShowingExtractedArticle = false
|
||
articleViewController?.articleExtractorButtonState = .off
|
||
articleViewController?.state = .article(article)
|
||
return
|
||
}
|
||
|
||
if let articleExtractor = articleExtractor, let extractedArticle = articleExtractor.article {
|
||
if currentArticle?.preferredLink == articleExtractor.articleLink {
|
||
isShowingExtractedArticle = true
|
||
articleViewController?.articleExtractorButtonState = .on
|
||
articleViewController?.state = .extracted(article, extractedArticle)
|
||
}
|
||
} else {
|
||
startArticleExtractorForCurrentLink()
|
||
}
|
||
|
||
}
|
||
|
||
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 preferredLink = article.preferredLink, let url = URL(string: preferredLink) else {
|
||
return
|
||
}
|
||
UIApplication.shared.open(url, options: [:])
|
||
}
|
||
|
||
func showBrowserForCurrentArticle() {
|
||
guard let preferredLink = currentArticle?.preferredLink, let url = URL(string: preferredLink) else {
|
||
return
|
||
}
|
||
UIApplication.shared.open(url, options: [:])
|
||
}
|
||
|
||
func navigateToFeeds() {
|
||
masterFeedViewController?.focus()
|
||
selectArticle(nil)
|
||
}
|
||
|
||
func navigateToTimeline() {
|
||
if currentArticle == nil && articles.count > 0 {
|
||
selectArticle(articles[0])
|
||
}
|
||
masterTimelineViewController?.focus()
|
||
}
|
||
|
||
func navigateToDetail() {
|
||
articleViewController?.focus()
|
||
}
|
||
|
||
}
|
||
|
||
// MARK: UISplitViewControllerDelegate
|
||
|
||
extension SceneCoordinator: UISplitViewControllerDelegate {
|
||
|
||
func splitViewController(_ splitViewController: UISplitViewController, collapseSecondary secondaryViewController:UIViewController, onto primaryViewController:UIViewController) -> Bool {
|
||
guard !isThreePanelMode else {
|
||
return true
|
||
}
|
||
|
||
if let articleViewController = (secondaryViewController as? UINavigationController)?.topViewController as? ArticleViewController {
|
||
masterNavigationController.pushViewController(articleViewController, animated: false)
|
||
return false
|
||
}
|
||
|
||
return currentArticle == nil
|
||
}
|
||
|
||
func splitViewController(_ splitViewController: UISplitViewController, separateSecondaryFrom primaryViewController: UIViewController) -> UIViewController? {
|
||
guard !isThreePanelMode else {
|
||
return subSplitViewController
|
||
}
|
||
|
||
guard currentArticle != nil else {
|
||
let articleViewController = UIStoryboard.main.instantiateController(ofType: ArticleViewController.self)
|
||
articleViewController.coordinator = self
|
||
let controller = addNavControllerIfNecessary(articleViewController, showButton: true)
|
||
return controller
|
||
}
|
||
|
||
if let articleViewController = masterNavigationController.viewControllers.last as? ArticleViewController {
|
||
masterNavigationController.popViewController(animated: false)
|
||
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, animated: true)
|
||
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 {
|
||
stopArticleExtractor()
|
||
currentArticle = nil
|
||
masterTimelineViewController?.updateArticleSelection(animated: animated)
|
||
activityManager.invalidateReading()
|
||
|
||
// Restore any bars hidden by the article controller
|
||
showStatusBar()
|
||
navigationController.setNavigationBarHidden(false, animated: true)
|
||
navigationController.setToolbarHidden(false, animated: true)
|
||
return
|
||
}
|
||
|
||
}
|
||
|
||
}
|
||
|
||
// MARK: ArticleExtractorDelegate
|
||
|
||
extension SceneCoordinator: ArticleExtractorDelegate {
|
||
|
||
func articleExtractionDidFail(with: Error) {
|
||
stopArticleExtractor()
|
||
articleViewController?.articleExtractorButtonState = .error
|
||
}
|
||
|
||
func articleExtractionDidComplete(extractedArticle: ExtractedArticle) {
|
||
if let article = currentArticle, articleExtractor?.state != .cancelled {
|
||
isShowingExtractedArticle = true
|
||
articleViewController?.state = .extracted(article, extractedArticle)
|
||
articleViewController?.articleExtractorButtonState = .on
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
// MARK: Private
|
||
|
||
private extension SceneCoordinator {
|
||
|
||
func markArticlesWithUndo(_ articles: [Article], statusKey: ArticleStatus.Key, flag: Bool) {
|
||
guard let undoManager = undoManager, let markReadCommand = MarkStatusCommand(initialArticles: articles, statusKey: statusKey, flag: flag, undoManager: undoManager) else {
|
||
return
|
||
}
|
||
runCommand(markReadCommand)
|
||
}
|
||
|
||
func updateUnreadCount() {
|
||
var count = 0
|
||
for article in articles {
|
||
if !article.status.read {
|
||
count += 1
|
||
}
|
||
}
|
||
unreadCount = count
|
||
}
|
||
|
||
func rebuildBackingStores(initialLoad: Bool = false, updateExpandedNodes: (() -> Void)? = nil) {
|
||
if !animatingChanges && !BatchUpdate.shared.isPerforming {
|
||
treeController.rebuild()
|
||
updateExpandedNodes?()
|
||
rebuildShadowTable()
|
||
masterFeedViewController.reloadFeeds(initialLoad: initialLoad)
|
||
}
|
||
}
|
||
|
||
func rebuildShadowTable() {
|
||
shadowTable = [[Node]]()
|
||
|
||
for i in 0..<treeController.rootNode.numberOfChildNodes {
|
||
|
||
var result = [Node]()
|
||
let sectionNode = treeController.rootNode.childAtIndex(i)!
|
||
|
||
if isExpanded(sectionNode) {
|
||
for node in sectionNode.childNodes {
|
||
result.append(node)
|
||
if isExpanded(node) {
|
||
for child in node.childNodes {
|
||
result.append(child)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
shadowTable.append(result)
|
||
|
||
}
|
||
}
|
||
|
||
func nodeFor(_ indexPath: IndexPath) -> Node? {
|
||
guard indexPath.section < shadowTable.count && indexPath.row < shadowTable[indexPath.section].count else {
|
||
return nil
|
||
}
|
||
return shadowTable[indexPath.section][indexPath.row]
|
||
}
|
||
|
||
func indexPathFor(_ node: Node) -> IndexPath? {
|
||
for i in 0..<shadowTable.count {
|
||
if let row = shadowTable[i].firstIndex(of: node) {
|
||
return IndexPath(row: row, section: i)
|
||
}
|
||
}
|
||
return nil
|
||
}
|
||
|
||
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
|
||
timelineMiddleIndexPath = nil
|
||
articleReadFilterType = feed?.defaultReadFilterType ?? .none
|
||
|
||
fetchAndReplaceArticlesAsync(animated: animated) {
|
||
self.masterTimelineViewController?.reinitializeArticles()
|
||
completion?()
|
||
}
|
||
}
|
||
|
||
func updateShowNamesAndIcons() {
|
||
|
||
if timelineFeed is WebFeed {
|
||
showFeedNames = false
|
||
} else {
|
||
showFeedNames = true
|
||
}
|
||
|
||
if showFeedNames {
|
||
self.showIcons = true
|
||
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(_ node: Node) {
|
||
if let containerID = (node.representedObject as? ContainerIdentifiable)?.containerID {
|
||
expandedTable.insert(containerID)
|
||
}
|
||
}
|
||
|
||
func unmarkExpanded(_ node: Node) {
|
||
if let containerID = (node.representedObject as? ContainerIdentifiable)?.containerID {
|
||
expandedTable.remove(containerID)
|
||
}
|
||
}
|
||
|
||
// 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].count - 1, section: shadowTable.count - 1)
|
||
} else {
|
||
return IndexPath(row: shadowTable[indexPath.section - 1].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].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].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(prevIndexPath, animated: true)
|
||
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, animated: animated)
|
||
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].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[indexPath.section].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(nextIndexPath, animated: false, deselectArticle: false) {
|
||
self.currentArticle = nil
|
||
completion(true)
|
||
}
|
||
return
|
||
}
|
||
|
||
}
|
||
|
||
}
|
||
|
||
completion(false)
|
||
|
||
}
|
||
|
||
// MARK: Fetching Articles
|
||
|
||
func startArticleExtractorForCurrentLink() {
|
||
if let link = currentArticle?.preferredLink, let extractor = ArticleExtractor(link) {
|
||
extractor.delegate = self
|
||
extractor.process()
|
||
articleExtractor = extractor
|
||
articleViewController?.articleExtractorButtonState = .animated
|
||
}
|
||
}
|
||
|
||
func stopArticleExtractor() {
|
||
articleExtractor?.cancel()
|
||
articleExtractor = nil
|
||
isShowingExtractedArticle = false
|
||
articleViewController?.articleExtractorButtonState = .off
|
||
}
|
||
|
||
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(fetchAndMergeArticles))
|
||
}
|
||
|
||
@objc func fetchAndMergeArticles() {
|
||
|
||
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)
|
||
}
|
||
}
|
||
|
||
strongSelf.replaceArticles(with: updatedArticles, animated: true)
|
||
}
|
||
|
||
}
|
||
|
||
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 timelineFetcher = timelineFeed else {
|
||
emptyTheTimeline()
|
||
completion()
|
||
return
|
||
}
|
||
|
||
fetchUnsortedArticlesAsync(for: [timelineFetcher]) { [weak self] (articles) in
|
||
self?.replaceArticles(with: articles, animated: animated)
|
||
completion()
|
||
}
|
||
|
||
}
|
||
|
||
func fetchUnsortedArticlesAsync(for representedObjects: [Any], callback: @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 readFilter = articleReadFilterType != .none
|
||
let fetchOperation = FetchRequestOperation(id: fetchSerialNumber, readFilter: readFilter, representedObjects: representedObjects) { [weak self] (articles, operation) in
|
||
precondition(Thread.isMainThread)
|
||
guard !operation.isCanceled, let strongSelf = self, operation.id == strongSelf.fetchSerialNumber else {
|
||
return
|
||
}
|
||
callback(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(_ recycledArticleController: ArticleViewController? = nil, animated: Bool) -> ArticleViewController {
|
||
|
||
isArticleViewControllerPending = true
|
||
|
||
let articleController: ArticleViewController = {
|
||
if let controller = recycledArticleController {
|
||
return controller
|
||
} else {
|
||
let controller = UIStoryboard.main.instantiateController(ofType: ArticleViewController.self)
|
||
controller.coordinator = self
|
||
return controller
|
||
}
|
||
}()
|
||
|
||
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)
|
||
}
|
||
|
||
// We have to do a full reload when installing an article controller. We may have changed color contexts
|
||
// and need to update the article colors. An example is in dark mode. Split screen doesn't use true black
|
||
// like darkmode usually does.
|
||
articleController.fullReload()
|
||
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() {
|
||
let recycledArticleController = articleViewController
|
||
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(recycledArticleController, animated: false)
|
||
|
||
masterFeedViewController.restoreSelectionIfNecessary(adjustScroll: true)
|
||
masterTimelineViewController!.restoreSelectionIfNecessary(adjustScroll: false)
|
||
}
|
||
|
||
func configureStandardPanelMode() {
|
||
let recycledArticleController = articleViewController
|
||
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(recycledArticleController, animated: false)
|
||
}
|
||
|
||
// MARK: NSUserActivity
|
||
|
||
func windowState() -> [AnyHashable: Any] {
|
||
let containerIdentifierUserInfos = expandedTable.map( { $0.userInfo })
|
||
return [
|
||
UserInfoKey.readFeedsFilterState: isReadFeedsFiltered,
|
||
UserInfoKey.containerExpandedWindowState: containerIdentifierUserInfos
|
||
]
|
||
}
|
||
|
||
func restoreWindowState(_ windowState: [AnyHashable: Any]) {
|
||
if let readFeedsFilterState = windowState[UserInfoKey.readFeedsFilterState] as? Bool {
|
||
treeControllerDelegate.isReadFiltered = readFeedsFilterState
|
||
}
|
||
if let containerIdentifierUserInfos = windowState[UserInfoKey.containerExpandedWindowState] as? [[AnyHashable: Any]] {
|
||
let containerIdentifers = containerIdentifierUserInfos.compactMap( { ContainerIdentifier(userInfo: $0) })
|
||
expandedTable = Set(containerIdentifers)
|
||
}
|
||
}
|
||
|
||
func handleSelectFeed(_ userInfo: [AnyHashable : Any]?) {
|
||
guard let userInfo = userInfo,
|
||
let feedIdentifierUserInfo = userInfo[UserInfoKey.feedIdentifier] as? [AnyHashable : Any],
|
||
let feedIdentifier = FeedIdentifier(userInfo: feedIdentifierUserInfo) else {
|
||
return
|
||
}
|
||
|
||
switch feedIdentifier {
|
||
|
||
case .smartFeed:
|
||
guard let smartFeed = SmartFeedsController.shared.find(by: feedIdentifier) else { return }
|
||
if let indexPath = indexPathFor(smartFeed) {
|
||
selectFeed(indexPath, animated: false)
|
||
}
|
||
|
||
case .script:
|
||
break
|
||
|
||
case .folder(let accountID, let folderName):
|
||
guard let accountNode = findAccountNode(accountID: accountID), let folderNode = findFolderNode(folderName: folderName, beginningAt: accountNode) else {
|
||
return
|
||
}
|
||
if let indexPath = indexPathFor(folderNode) {
|
||
selectFeed(indexPath, animated: false)
|
||
}
|
||
|
||
case .webFeed(let accountID, let webFeedID):
|
||
guard let accountNode = findAccountNode(accountID: accountID), let feedNode = findWebFeedNode(webFeedID: webFeedID, beginningAt: accountNode) else {
|
||
return
|
||
}
|
||
if let feed = feedNode.representedObject as? WebFeed {
|
||
discloseFeed(feed, animated: false)
|
||
}
|
||
|
||
}
|
||
}
|
||
|
||
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 else {
|
||
return
|
||
}
|
||
|
||
if restoreFeed(userInfo, accountID: accountID, webFeedID: webFeedID, articleID: articleID) {
|
||
return
|
||
}
|
||
|
||
guard let accountNode = findAccountNode(accountID: accountID, accountName: accountName), let feedNode = findWebFeedNode(webFeedID: webFeedID, beginningAt: accountNode) else {
|
||
return
|
||
}
|
||
|
||
discloseFeed(feedNode.representedObject as! WebFeed, animated: false) {
|
||
self.selectArticleInCurrentFeed(articleID)
|
||
}
|
||
}
|
||
|
||
func restoreFeed(_ userInfo: [AnyHashable : Any], accountID: String, webFeedID: String, articleID: String) -> Bool {
|
||
guard let feedIdentifierUserInfo = userInfo[UserInfoKey.feedIdentifier] as? [AnyHashable : Any],
|
||
let feedIdentifier = FeedIdentifier(userInfo: feedIdentifierUserInfo) else {
|
||
return false
|
||
}
|
||
|
||
switch feedIdentifier {
|
||
|
||
case .smartFeed:
|
||
guard let smartFeed = SmartFeedsController.shared.find(by: feedIdentifier) else { return false }
|
||
if smartFeed.fetchArticles().contains(accountID: accountID, articleID: articleID) {
|
||
if let indexPath = indexPathFor(smartFeed) {
|
||
selectFeed(indexPath, animated: false) {
|
||
self.selectArticleInCurrentFeed(articleID)
|
||
}
|
||
return true
|
||
}
|
||
}
|
||
|
||
case .script:
|
||
return false
|
||
|
||
case .folder(let accountID, let folderName):
|
||
guard let accountNode = findAccountNode(accountID: accountID),
|
||
let folderNode = findFolderNode(folderName: folderName, beginningAt: accountNode),
|
||
let folderFeed = folderNode.representedObject as? Feed else {
|
||
return false
|
||
}
|
||
if folderFeed.fetchArticles().contains(accountID: accountID, articleID: articleID) {
|
||
return selectFeedAndArticle(feedNode: folderNode, articleID: articleID)
|
||
}
|
||
|
||
case .webFeed:
|
||
guard let accountNode = findAccountNode(accountID: accountID), let webFeedNode = findWebFeedNode(webFeedID: webFeedID, beginningAt: accountNode) else {
|
||
return false
|
||
}
|
||
return selectFeedAndArticle(feedNode: webFeedNode, articleID: articleID)
|
||
|
||
}
|
||
|
||
return false
|
||
}
|
||
|
||
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(feedNode: Node, articleID: String) -> Bool {
|
||
if let feedIndexPath = indexPathFor(feedNode) {
|
||
selectFeed(feedIndexPath, animated: false) {
|
||
self.selectArticleInCurrentFeed(articleID)
|
||
}
|
||
return true
|
||
}
|
||
return false
|
||
}
|
||
|
||
func selectArticleInCurrentFeed(_ articleID: String) {
|
||
if let article = self.articles.first(where: { $0.articleID == articleID }) {
|
||
self.selectArticle(article)
|
||
}
|
||
}
|
||
|
||
}
|