KCD/TimeSignalNotifier.swift

   1 //
   2 //  TimeSignalNotifier.swift
   3 //  KCD
   4 //
   5 //  Created by Hori,Masaki on 2017/01/21.
   6 //  Copyright © 2017年 Hori,Masaki. All rights reserved.
   7 //
   8
   9 import Cocoa
  10
  11 extension Selector {
  12
  13     static let fire = #selector(TimeSignalNotifier.fire(_:))
  14 }
  15
  16 final class TimeSignalNotifier: NSObject {
  17
  18     let udController: NSUserDefaultsController = NSUserDefaultsController.shared
  19
  20     override init() {
  21
  22         super.init()
  23
  24         registerTimer()
  25         bind(NSBindingName(#keyPath(notifyTimeBeforeTimeSignal)),
  26              to: udController,
  27              withKeyPath: "values.notifyTimeBeforeTimeSignal")
  28     }
  29
  30     deinit {
  31
  32         unbind(NSBindingName(#keyPath(notifyTimeBeforeTimeSignal)))
  33     }
  34
  35     @objc dynamic var notifyTimeBeforeTimeSignal: Int = 0 {
  36
  37         didSet { registerTimer() }
  38     }
  39     var timer: Timer?
  40
  41     @objc func fire(_ timer: Timer) {
  42
  43         defer { registerTimer() }
  44
  45         guard UserDefaults.standard[.notifyTimeSignal] else { return }
  46
  47         let now = Date()
  48         let cal = Calendar.current
  49         let minutes = cal.component(.minute, from: now)
  50
  51         if (59 - minutes) > notifyTimeBeforeTimeSignal { return }
  52
  53         let notification = NSUserNotification()
  54         let hour = cal.component(.hour, from: now)
  55         let format = NSLocalizedString("It is soon %zd o'clock.", comment: "It is soon %zd o'clock.")
  56         notification.title = String(format: format, hour + 1)
  57         notification.informativeText = notification.title
  58
  59         if UserDefaults.standard[.playNotifyTimeSignalSound] {
  60
  61             notification.soundName = NSUserNotificationDefaultSoundName
  62
  63         }
  64
  65         NSUserNotificationCenter.default.deliver(notification)
  66     }
  67
  68     private func registerTimer() {
  69
  70         timer?.invalidate()
  71
  72         let now = Date()
  73         let cal = Calendar.current
  74         var comp = cal.dateComponents([.year, .month, .day, .hour], from: now)
  75         let minutes = cal.component(.minute, from: now)
  76         if minutes + notifyTimeBeforeTimeSignal >= 60 {
  77
  78             comp.hour = comp.hour.map { $0 + 1 }
  79
  80         }
  81         comp.minute = 60 - notifyTimeBeforeTimeSignal
  82         guard let notifyDate = cal.date(from: comp) else {
  83
  84             print("Can not create notify date")
  85             return
  86         }
  87
  88         timer = Timer.scheduledTimer(timeInterval: notifyDate.timeIntervalSinceNow,
  89                                      target: self,
  90                                      selector: .fire,
  91                                      userInfo: nil,
  92                                      repeats: false)
  93     }
  94 }