2 // PeriodicNotifier.swift
5 // Created by Hori,Masaki on 2017/01/03.
6 // Copyright © 2017年 Hori,Masaki. All rights reserved.
11 extension Notification.Name {
13 static let Periodic = Notification.Name("com.masakih.KCD.Notification.Periodic")
16 final class PeriodicNotifier: NSObject {
19 private let minutes: Int
21 init(hour: Int, minutes: Int) {
24 self.minutes = minutes
28 let nc = NotificationCenter.default
29 nc.addObserver(forName: .NSSystemTimeZoneDidChange, object: nil, queue: nil, using: notify)
30 nc.addObserver(forName: .NSSystemClockDidChange, object: nil, queue: nil, using: notify)
31 nc.addObserver(forName: NSWorkspace.didWakeNotification, object: nil, queue: nil, using: notify)
36 private func notify(_ notification: Notification) {
41 @objc fileprivate func notifyIfNeeded(_ timer: Timer?) {
43 let now = Date(timeIntervalSinceNow: 0.0)
44 let unit: Set<Calendar.Component> = [.era, .year, .month, .day]
45 var currentDay = Calendar.current.dateComponents(unit, from: now)
46 currentDay.hour = hour
47 currentDay.minute = minutes
49 if let notifyDate = Calendar.current.date(from: currentDay),
50 now.compare(notifyDate) == .orderedDescending {
53 NotificationCenter.default.post(name: .Periodic, object: self)
56 if let v = timer?.isValid, v {
61 guard let nextNotifyDate = Calendar.current.date(from: currentDay) else { fatalError("Can not create time of notify") }
63 let nextNotifyTime = nextNotifyDate.timeIntervalSinceNow + 0.1
64 Timer.scheduledTimer(timeInterval: nextNotifyTime,
66 selector: #selector(PeriodicNotifier.notifyIfNeeded(_:)),