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     static let fire = #selector(TimeSignalNotifier.fire(_:))
  13 }
  14
  15 class TimeSignalNotifier: NSObject {
  16     let udController: NSUserDefaultsController = NSUserDefaultsController.shared()
  17
  18     override init() {
  19         super.init()
  20         registerTimer()
  21         self.bind(#keyPath(notifyTimeBeforeTimeSignal),
  22                   to: udController,
  23                   withKeyPath: "values.notifyTimeBeforeTimeSignal")
  24     }
  25     deinit {
  26         self.unbind(#keyPath(notifyTimeBeforeTimeSignal))
  27     }
  28
  29     dynamic var notifyTimeBeforeTimeSignal: Int = 0 {
  30         didSet { registerTimer() }
  31     }
  32     var timer: Timer?
  33
  34     func fire(_ timer: Timer) {
  35         defer { registerTimer() }
  36         if !UserDefaults.standard.notifyTimeSignal { return }
  37
  38         let now = Date()
  39         let cal = Calendar.current
  40         let minutes = cal.component(.minute, from: now)
  41
  42         if (59 - minutes) > notifyTimeBeforeTimeSignal { return }
  43
  44         let notification = NSUserNotification()
  45         let hour = cal.component(.hour, from: now)
  46         let format = NSLocalizedString("It is soon %zd o'clock.",
  47                                        comment: "It is soon %zd o'clock.")
  48         notification.title = String(format: format, hour + 1)
  49         notification.informativeText = notification.title
  50         if UserDefaults.standard.playNotifyTimeSignalSound {
  51             notification.soundName = NSUserNotificationDefaultSoundName
  52         }
  53         NSUserNotificationCenter.default.deliver(notification)
  54     }
  55
  56     private func registerTimer() {
  57         timer?.invalidate()
  58
  59         let now = Date()
  60         let cal = Calendar.current
  61         var comp = cal.dateComponents([.year, .month, .day, .hour], from: now)
  62         let minutes = cal.component(.minute, from: now)
  63         if minutes + notifyTimeBeforeTimeSignal >= 60 {
  64             comp.hour = comp.hour.map { $0 + 1 }
  65         }
  66         comp.minute = 60 - notifyTimeBeforeTimeSignal
  67         guard let notifyDate = cal.date(from: comp)
  68             else { return print("Can not create notify date") }
  69         timer = Timer.scheduledTimer(timeInterval: notifyDate.timeIntervalSinceNow,
  70                                      target: self,
  71                                      selector: .fire,
  72                                      userInfo: nil,
  73                                      repeats: false)
  74     }
  75 }