Replace Mark All as Read with progress indicator. Issues #1157 and #1165

iOS/MasterFeed/RefreshProgressView.swift

@@ -0,0 +1,70 @@
+//
+//  RefeshProgressView.swift
+//  NetNewsWire-iOS
+//
+//  Created by Maurice Parker on 10/24/19.
+//  Copyright © 2019 Ranchero Software. All rights reserved.
+//
+
+import UIKit
+import Account
+
+class RefreshProgressView: UIView {
+	
+	@IBOutlet weak var progressView: UIProgressView!
+	@IBOutlet weak var label: UILabel!
+	private lazy var progressWidth = progressView.widthAnchor.constraint(equalToConstant: 100.0)
+
+	override init(frame: CGRect) {
+		super.init(frame: frame)
+		commonInit()
+	}
+	
+	required init?(coder: NSCoder) {
+		super.init(coder: coder)
+		commonInit()
+	}
+	
+	func commonInit() {
+		NotificationCenter.default.addObserver(self, selector: #selector(progressDidChange(_:)), name: .AccountRefreshProgressDidChange, object: nil)
+	}
+
+	func updateRefreshLabel() {
+		if let refreshDate = AppDefaults.lastRefresh {
+			let relativeDateTimeFormatter = RelativeDateTimeFormatter()
+			relativeDateTimeFormatter.dateTimeStyle = .named
+			let refreshed = relativeDateTimeFormatter.localizedString(for: refreshDate, relativeTo: Date())
+			let localizedRefreshText = NSLocalizedString("Refreshed %@", comment: "Refreshed")
+			let refreshText = NSString.localizedStringWithFormat(localizedRefreshText as NSString, refreshed) as String
+			label.text = refreshText
+		}
+
+	}
+	@objc func progressDidChange(_ note: Notification) {
+		
+		let progress = AccountManager.shared.combinedRefreshProgress
+		
+		if progress.isComplete {
+			progressView.progress = 1
+			DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
+				self.updateRefreshLabel()
+				self.label.isHidden = false
+				self.progressView.isHidden = true
+				self.progressWidth.isActive = false
+			}
+		} else {
+			label.isHidden = true
+			progressView.isHidden = false
+			self.progressWidth.isActive = true
+			let percent = Float(progress.numberCompleted) / Float(progress.numberOfTasks)
+			progressView.progress = percent
+		}
+		
+	}
+
+	deinit {
+		NotificationCenter.default.removeObserver(self)
+	}
+	
+}
+