NetNewsWire/Shared/SmartFeeds/UnreadFeed.swift

66 lines
1.3 KiB
Swift

//
// UnreadFeed.swift
// NetNewsWire
//
// Created by Brent Simmons on 11/19/17.
// Copyright © 2017 Ranchero Software. All rights reserved.
//
#if os(macOS)
import AppKit
#else
import Foundation
#endif
import Account
import Articles
// This just shows the global unread count, which appDelegate already has. Easy.
final class UnreadFeed: PseudoFeed {
let nameForDisplay = NSLocalizedString("All Unread", comment: "All Unread pseudo-feed title")
var unreadCount = 0 {
didSet {
if unreadCount != oldValue {
postUnreadCountDidChangeNotification()
}
}
}
#if os(macOS)
var pasteboardWriter: NSPasteboardWriting {
return SmartFeedPasteboardWriter(smartFeed: self)
}
#endif
init() {
self.unreadCount = appDelegate.unreadCount
NotificationCenter.default.addObserver(self, selector: #selector(unreadCountDidChange(_:)), name: .UnreadCountDidChange, object: appDelegate)
}
@objc func unreadCountDidChange(_ note: Notification) {
assert(note.object is AppDelegate)
unreadCount = appDelegate.unreadCount
}
}
extension UnreadFeed: ArticleFetcher {
func fetchArticles() -> Set<Article> {
return fetchUnreadArticles()
}
func fetchUnreadArticles() -> Set<Article> {
var articles = Set<Article>()
for account in AccountManager.shared.activeAccounts {
articles.formUnion(account.fetchUnreadArticles())
}
return articles
}
}