NetNewsWire/iOS/Inspector/WebFeedInspectorViewControl...

225 lines
7.8 KiB
Swift

//
// WebFeedInspectorViewController.swift
// NetNewsWire-iOS
//
// Created by Maurice Parker on 11/6/19.
// Copyright © 2019 Ranchero Software. All rights reserved.
//
import UIKit
import Account
import SafariServices
import UserNotifications
class WebFeedInspectorViewController: UITableViewController {
static let preferredContentSizeForFormSheetDisplay = CGSize(width: 460.0, height: 500.0)
var webFeed: WebFeed!
@IBOutlet weak var nameTextField: UITextField!
@IBOutlet weak var notifyAboutNewArticlesSwitch: UISwitch!
@IBOutlet weak var alwaysShowReaderViewSwitch: UISwitch!
@IBOutlet weak var homePageLabel: InteractiveLabel!
@IBOutlet weak var feedURLLabel: InteractiveLabel!
private var headerView: InspectorIconHeaderView?
private var iconImage: IconImage {
if let feedIcon = appDelegate.webFeedIconDownloader.icon(for: webFeed) {
return feedIcon
}
if let favicon = appDelegate.faviconDownloader.faviconAsIcon(for: webFeed) {
return favicon
}
return FaviconGenerator.favicon(webFeed)
}
private let homePageIndexPath = IndexPath(row: 0, section: 1)
private var shouldHideHomePageSection: Bool {
return webFeed.homePageURL == nil
}
private var userNotificationSettings: UNNotificationSettings?
override func viewDidLoad() {
tableView.register(InspectorIconHeaderView.self, forHeaderFooterViewReuseIdentifier: "SectionHeader")
navigationItem.title = webFeed.nameForDisplay
nameTextField.text = webFeed.nameForDisplay
notifyAboutNewArticlesSwitch.setOn(webFeed.isNotifyAboutNewArticles ?? false, animated: false)
alwaysShowReaderViewSwitch.setOn(webFeed.isArticleExtractorAlwaysOn ?? false, animated: false)
homePageLabel.text = webFeed.homePageURL?.decodedURLString
feedURLLabel.text = webFeed.url.decodedURLString
NotificationCenter.default.addObserver(self, selector: #selector(webFeedIconDidBecomeAvailable(_:)), name: .WebFeedIconDidBecomeAvailable, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(updateNotificationSettings), name: UIApplication.willEnterForegroundNotification, object: nil)
}
override func viewDidAppear(_ animated: Bool) {
updateNotificationSettings()
}
override func viewDidDisappear(_ animated: Bool) {
if nameTextField.text != webFeed.nameForDisplay {
let nameText = nameTextField.text ?? ""
let newName = nameText.isEmpty ? (webFeed.name ?? NSLocalizedString("Untitled", comment: "Feed name")) : nameText
webFeed.rename(to: newName) { _ in }
}
}
// MARK: Notifications
@objc func webFeedIconDidBecomeAvailable(_ notification: Notification) {
headerView?.iconView.iconImage = iconImage
}
@IBAction func notifyAboutNewArticlesChanged(_ sender: Any) {
guard let settings = userNotificationSettings else {
notifyAboutNewArticlesSwitch.isOn = !notifyAboutNewArticlesSwitch.isOn
return
}
if settings.authorizationStatus == .denied {
notifyAboutNewArticlesSwitch.isOn = !notifyAboutNewArticlesSwitch.isOn
present(notificationUpdateErrorAlert(), animated: true, completion: nil)
} else if settings.authorizationStatus == .authorized {
webFeed.isNotifyAboutNewArticles = notifyAboutNewArticlesSwitch.isOn
} else {
UNUserNotificationCenter.current().requestAuthorization(options:[.badge, .sound, .alert]) { (granted, error) in
self.updateNotificationSettings()
if granted {
DispatchQueue.main.async {
self.webFeed.isNotifyAboutNewArticles = self.notifyAboutNewArticlesSwitch.isOn
UIApplication.shared.registerForRemoteNotifications()
}
} else {
DispatchQueue.main.async {
self.notifyAboutNewArticlesSwitch.isOn = !self.notifyAboutNewArticlesSwitch.isOn
}
}
}
}
}
@IBAction func alwaysShowReaderViewChanged(_ sender: Any) {
webFeed.isArticleExtractorAlwaysOn = alwaysShowReaderViewSwitch.isOn
}
@IBAction func done(_ sender: Any) {
dismiss(animated: true)
}
/// Returns a new indexPath, taking into consideration any
/// conditions that may require the tableView to be
/// displayed differently than what is setup in the storyboard.
private func shift(_ indexPath: IndexPath) -> IndexPath {
return IndexPath(row: indexPath.row, section: shift(indexPath.section))
}
/// Returns a new section, taking into consideration any
/// conditions that may require the tableView to be
/// displayed differently than what is setup in the storyboard.
private func shift(_ section: Int) -> Int {
if section >= homePageIndexPath.section && shouldHideHomePageSection {
return section + 1
}
return section
}
}
// MARK: Table View
extension WebFeedInspectorViewController {
override func numberOfSections(in tableView: UITableView) -> Int {
let numberOfSections = super.numberOfSections(in: tableView)
return shouldHideHomePageSection ? numberOfSections - 1 : numberOfSections
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return super.tableView(tableView, numberOfRowsInSection: shift(section))
}
override func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
return section == 0 ? ImageHeaderView.rowHeight : super.tableView(tableView, heightForHeaderInSection: shift(section))
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
super.tableView(tableView, cellForRowAt: shift(indexPath))
}
override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
super.tableView(tableView, titleForHeaderInSection: shift(section))
}
override func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
if shift(section) == 0 {
headerView = tableView.dequeueReusableHeaderFooterView(withIdentifier: "SectionHeader") as? InspectorIconHeaderView
headerView?.iconView.iconImage = iconImage
return headerView
} else {
return super.tableView(tableView, viewForHeaderInSection: shift(section))
}
}
override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
if shift(indexPath) == homePageIndexPath,
let homePageUrlString = webFeed.homePageURL,
let homePageUrl = URL(string: homePageUrlString) {
let safari = SFSafariViewController(url: homePageUrl)
safari.modalPresentationStyle = .pageSheet
present(safari, animated: true) {
tableView.deselectRow(at: indexPath, animated: true)
}
}
}
}
// MARK: UITextFieldDelegate
extension WebFeedInspectorViewController: UITextFieldDelegate {
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
textField.resignFirstResponder()
return true
}
}
// MARK: UNUserNotificationCenter
extension WebFeedInspectorViewController {
@objc
func updateNotificationSettings() {
UNUserNotificationCenter.current().getNotificationSettings { (settings) in
DispatchQueue.main.async {
self.userNotificationSettings = settings
if settings.authorizationStatus == .authorized {
UIApplication.shared.registerForRemoteNotifications()
}
}
}
}
func notificationUpdateErrorAlert() -> UIAlertController {
let alert = UIAlertController(title: NSLocalizedString("Enable Notifications", comment: "Notifications"),
message: NSLocalizedString("Notifications need to be enabled in the Settings app.", comment: "Notifications need to be enabled in the Settings app."), preferredStyle: .alert)
let openSettings = UIAlertAction(title: NSLocalizedString("Open Settings", comment: "Open Settings"), style: .default) { (action) in
UIApplication.shared.open(URL(string: UIApplication.openSettingsURLString)!, options: [UIApplication.OpenExternalURLOptionsKey.universalLinksOnly : false], completionHandler: nil)
}
let dismiss = UIAlertAction(title: NSLocalizedString("Dismiss", comment: "Dismiss"), style: .cancel, handler: nil)
alert.addAction(openSettings)
alert.addAction(dismiss)
alert.preferredAction = openSettings
return alert
}
}