NetNewsWire/Mac/Preferences/General/GeneralPrefencesViewControl...

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Swift
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//
// GeneralPrefencesViewController.swift
// NetNewsWire
//
// Created by Brent Simmons on 9/3/18.
// Copyright © 2018 Ranchero Software. All rights reserved.
//
import AppKit
import RSCore
final class GeneralPreferencesViewController: NSViewController {
@IBOutlet var defaultRSSReaderPopup: NSPopUpButton!
private var rssReaderInfo = RSSReaderInfo()
public override init(nibName nibNameOrNil: NSNib.Name?, bundle nibBundleOrNil: Bundle?) {
super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
commonInit()
}
public required init?(coder: NSCoder) {
super.init(coder: coder)
commonInit()
}
override func viewWillAppear() {
super.viewWillAppear()
updateUI()
}
// MARK: - Notifications
@objc func applicationWillBecomeActive(_ note: Notification) {
updateUI()
}
// MARK: - Actions
@IBAction func rssReaderPopupDidChangeValue(_ sender: Any?) {
guard let menuItem = defaultRSSReaderPopup.selectedItem else {
return
}
guard let bundleID = menuItem.representedObject as? String else {
return
}
registerAppWithBundleID(bundleID)
updateUI()
}
}
// MARK: - Private
private extension GeneralPreferencesViewController {
func commonInit() {
NotificationCenter.default.addObserver(self, selector: #selector(applicationWillBecomeActive(_:)), name: NSApplication.willBecomeActiveNotification, object: nil)
}
func updateUI() {
rssReaderInfo = RSSReaderInfo()
updateRSSReaderPopup()
}
func updateRSSReaderPopup() {
// Top item should always be: NetNewsWire (this app)
// Additional items should be sorted alphabetically.
// Any older versions of NetNewsWire should be listed as: NetNewsWire (old version)
let menu = NSMenu(title: "RSS Readers")
let netNewsWireBundleID = Bundle.main.bundleIdentifier!
let thisAppParentheticalComment = NSLocalizedString("(this app)", comment: "Preferences default RSS Reader popup")
let thisAppName = "NetNewsWire \(thisAppParentheticalComment)"
let netNewsWireMenuItem = NSMenuItem(title: thisAppName, action: nil, keyEquivalent: "")
netNewsWireMenuItem.representedObject = netNewsWireBundleID
menu.addItem(netNewsWireMenuItem)
let readersToList = rssReaderInfo.rssReaders.filter { $0.bundleID != netNewsWireBundleID }
let sortedReaders = readersToList.sorted { (reader1, reader2) -> Bool in
return reader1.nameMinusAppSuffix.localizedStandardCompare(reader2.nameMinusAppSuffix) == .orderedAscending
}
let oldVersionParentheticalComment = NSLocalizedString("(old version)", comment: "Preferences default RSS Reader popup")
for rssReader in sortedReaders {
var appName = rssReader.nameMinusAppSuffix
if appName.contains("NetNewsWire") {
appName = "\(appName) \(oldVersionParentheticalComment)"
}
let menuItem = NSMenuItem(title: appName, action: nil, keyEquivalent: "")
menuItem.representedObject = rssReader.bundleID
menu.addItem(menuItem)
}
defaultRSSReaderPopup.menu = menu
func insertAndSelectNoneMenuItem() {
let noneTitle = NSLocalizedString("None", comment: "Preferences default RSS Reader popup")
let menuItem = NSMenuItem(title: noneTitle, action: nil, keyEquivalent: "")
defaultRSSReaderPopup.menu!.insertItem(menuItem, at: 0)
defaultRSSReaderPopup.selectItem(at: 0)
}
guard let defaultRSSReaderBundleID = rssReaderInfo.defaultRSSReaderBundleID else {
insertAndSelectNoneMenuItem()
return
}
for menuItem in defaultRSSReaderPopup.menu!.items {
guard let bundleID = menuItem.representedObject as? String else {
continue
}
if bundleID == defaultRSSReaderBundleID {
defaultRSSReaderPopup.select(menuItem)
return
}
}
insertAndSelectNoneMenuItem()
}
func registerAppWithBundleID(_ bundleID: String) {
NSWorkspace.shared.setDefaultAppBundleID(forURLScheme: "feed", to: bundleID)
NSWorkspace.shared.setDefaultAppBundleID(forURLScheme: "feeds", to: bundleID)
}
}
// MARK: - RSSReaderInfo
private struct RSSReaderInfo {
let defaultRSSReaderBundleID: String?
let rssReaders: Set<RSSReader>
static let feedURLScheme = "feed:"
init() {
let defaultRSSReaderBundleID = NSWorkspace.shared.defaultAppBundleID(forURLScheme: RSSReaderInfo.feedURLScheme)
self.defaultRSSReaderBundleID = defaultRSSReaderBundleID
self.rssReaders = RSSReaderInfo.fetchRSSReaders(defaultRSSReaderBundleID)
}
static func fetchRSSReaders(_ defaultRSSReaderBundleID: String?) -> Set<RSSReader> {
let rssReaderBundleIDs = NSWorkspace.shared.bundleIDsForApps(forURLScheme: feedURLScheme)
var rssReaders = Set<RSSReader>()
if let defaultRSSReaderBundleID = defaultRSSReaderBundleID, let defaultReader = RSSReader(bundleID: defaultRSSReaderBundleID) {
rssReaders.insert(defaultReader)
}
rssReaderBundleIDs.forEach { (bundleID) in
if let reader = RSSReader(bundleID: bundleID) {
rssReaders.insert(reader)
}
}
return rssReaders
}
}
// MARK: - RSSReader
private struct RSSReader: Hashable {
let bundleID: String
let name: String
let nameMinusAppSuffix: String
let path: String
init?(bundleID: String) {
guard let path = NSWorkspace.shared.absolutePathForApplication(withBundleIdentifier: bundleID) else {
return nil
}
self.path = path
self.bundleID = bundleID
let name = (path as NSString).lastPathComponent
self.name = name
if name.hasSuffix(".app") {
self.nameMinusAppSuffix = name.rs_string(byStrippingSuffix: ".app", caseSensitive: false)
}
else {
self.nameMinusAppSuffix = name
}
}
// MARK: - Hashable
func hash(into hasher: inout Hasher) {
hasher.combine(bundleID)
}
// MARK: - Equatable
static func ==(lhs: RSSReader, rhs: RSSReader) -> Bool {
return lhs.bundleID == rhs.bundleID
}
}