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// Copyright © 2015 Abhishek Banthia
import Cocoa
private enum MenubarState {
case compactText
case standardText
case icon
}
class StatusItemHandler: NSObject {
var hasActiveIcon: Bool = false
var menubarTimer: Timer?
var statusItem: NSStatusItem = {
let statusItem = NSStatusBar.system.statusItem(withLength: NSStatusItem.variableLength)
statusItem.highlightMode = false
return statusItem
}()
private var menubarTitleHandler = MenubarHandler()
private var parentView: StatusContainerView?
private var nsCalendar = Calendar.autoupdatingCurrent
private lazy var units: Set<Calendar.Component> = Set([.era, .year, .month, .day, .hour, .minute])
private var userNotificationsDidChangeNotif: NSObjectProtocol?
// Current State is set twice when the user first launches an app.
// First, when StatusItemHandler() is instantiated in AppDelegate
// Second, when AppDelegate.fetchLocalTimezone() is called triggering a customLabel didSet.
// TODO: Make sure it's set just once.
private var currentState: MenubarState = .standardText {
didSet {
// Do some cleanup
switch oldValue {
case .compactText:
statusItem.view = nil
parentView = nil
case .standardText:
statusItem.button?.title = CLEmptyString
case .icon:
statusItem.button?.image = nil
}
// Now setup for the new menubar state
switch currentState {
case .compactText:
setupForCompactTextMode()
case .standardText:
setupForStandardTextMode()
case .icon:
setClockerIcon()
}
Logger.info("\nStatus Bar Current State changed: \(currentState)\n")
}
}
override init() {
super.init()
setupStatusItem()
setupNotificationObservers()
}
func setupStatusItem() {
// Let's figure out the initial menubar state
var menubarState = MenubarState.icon
let shouldTextBeDisplayed = DataStore.shared().menubarTimezones()?.isEmpty ?? true
if !shouldTextBeDisplayed || DataStore.shared().shouldDisplay(.showMeetingInMenubar) {
if DataStore.shared().shouldDisplay(.menubarCompactMode) {
menubarState = .compactText
} else {
menubarState = .standardText
}
}
// Initial state has been figured out. Time to set it!
currentState = menubarState
func setSelector() {
if #available(macOS 10.14, *) {
statusItem.button?.action = #selector(menubarIconClicked(_:))
} else {
statusItem.action = #selector(menubarIconClicked(_:))
}
}
statusItem.target = self
statusItem.autosaveName = NSStatusItem.AutosaveName("ClockerStatusItem")
setSelector()
}
private func setupNotificationObservers() {
let center = NotificationCenter.default
let mainQueue = OperationQueue.main
center.addObserver(self,
selector: #selector(updateMenubar),
name: NSWorkspace.didWakeNotification,
object: nil)
DistributedNotificationCenter.default.addObserver(self, selector: #selector(respondToInterfaceStyleChange),
name: .interfaceStyleDidChange,
object: nil)
userNotificationsDidChangeNotif = center.addObserver(forName: UserDefaults.didChangeNotification,
object: self,
queue: mainQueue)
{ _ in
self.setupStatusItem()
}
}
deinit {
if let userNotifsDidChange = userNotificationsDidChangeNotif {
NotificationCenter.default.removeObserver(userNotifsDidChange)
}
}
private func constructCompactView() {
parentView = nil
let menubarTimezones = retrieveSyncedMenubarTimezones()
if menubarTimezones.isEmpty {
currentState = .icon
return
}
parentView = StatusContainerView(with: menubarTimezones)
statusItem.view = parentView
statusItem.view?.window?.backgroundColor = NSColor.clear
}
private func retrieveSyncedMenubarTimezones() -> [Data] {
let defaultPreferences = DataStore.shared().retrieve(key: CLDefaultPreferenceKey) as? [Data] ?? []
let menubarTimezones = defaultPreferences.filter { data -> Bool in
if let timezoneObj = TimezoneData.customObject(from: data) {
return timezoneObj.isFavourite == 1
}
return false
}
return menubarTimezones
}
// This is called when the Apple interface style pre-Mojave is changed.
// In High Sierra and before, we could have a dark or light menubar and dock
// Our icon is template, so it changes automatically; so is our standard status bar text
// Only need to handle the compact mode!
@objc func respondToInterfaceStyleChange() {
if DataStore.shared().shouldDisplay(.menubarCompactMode) {
updateCompactMenubar()
}
}
@objc func setHasActiveIcon(_ value: Bool) {
hasActiveIcon = value
}
@objc func menubarIconClicked(_ sender: Any) {
guard let mainDelegate = NSApplication.shared.delegate as? AppDelegate else {
return
}
mainDelegate.togglePanel(sender)
}
@objc func updateMenubar() {
guard let fireDate = calculateFireDate() else { return }
let shouldDisplaySeconds = shouldDisplaySecondsInMenubar()
menubarTimer = Timer(fire: fireDate,
interval: 0,
repeats: false,
block: { [weak self] _ in
if let strongSelf = self {
strongSelf.performTimerWork()
}
})
// Tolerance, even a small amount, has a positive imapct on the power usage. As a rule, we set it to 10% of the interval
menubarTimer?.tolerance = shouldDisplaySeconds ? 0.5 : 20
guard let runLoopTimer = menubarTimer else {
Logger.info("Timer is unexpectedly nil")
return
}
RunLoop.main.add(runLoopTimer, forMode: .common)
}
private func shouldDisplaySecondsInMenubar() -> Bool {
let syncedTimezones = retrieveSyncedMenubarTimezones()
for timezone in syncedTimezones {
if let timezoneObj = TimezoneData.customObject(from: timezone) {
let shouldShowSeconds = timezoneObj.shouldShowSeconds()
if shouldShowSeconds {
return true
}
}
continue
}
return false
}
private func calculateFireDate() -> Date? {
let shouldDisplaySeconds = shouldDisplaySecondsInMenubar()
let menubarFavourites = DataStore.shared().menubarTimezones()
if !units.contains(.second), shouldDisplaySeconds {
units.insert(.second)
}
var components = nsCalendar.dateComponents(units, from: Date())
// We want to update every second only when there's a timezone present!
if shouldDisplaySeconds, let seconds = components.second, let favourites = menubarFavourites, !favourites.isEmpty {
components.second = seconds + 1
} else if let minutes = components.minute {
components.minute = minutes + 1
} else {
Logger.info("Unable to create date components for the menubar timewr")
return nil
}
guard let fireDate = nsCalendar.date(from: components) else {
Logger.info("Unable to form Fire Date")
return nil
}
return fireDate
}
func updateCompactMenubar() {
parentView?.updateTime()
}
func performTimerWork() {
if currentState == .compactText {
updateCompactMenubar()
updateMenubar()
} else if currentState == .standardText, let title = menubarTitleHandler.titleForMenubar() {
// Need setting button's image to nil
// Especially if we have showUpcomingEvents turned to true and menubar timezones are empty
statusItem.button?.image = nil
statusItem.button?.title = title
updateMenubar()
} else {
setClockerIcon()
menubarTimer?.invalidate()
}
}
private func setupForStandardTextMode() {
Logger.info("Initializing menubar timer")
// Let's invalidate the previous timer
menubarTimer?.invalidate()
menubarTimer = nil
setupForStandardText()
updateMenubar()
}
func invalidateTimer(showIcon show: Bool, isSyncing sync: Bool) {
// Check if user is not showing
// 1. Timezones
// 2. Upcoming Event
let menubarFavourites = DataStore.shared().menubarTimezones() ?? []
if menubarFavourites.isEmpty, DataStore.shared().shouldDisplay(.showMeetingInMenubar) == false {
Logger.info("Invalidating menubar timer!")
invalidation()
if show {
currentState = .icon
}
} else if sync {
Logger.info("Invalidating menubar timer for sync purposes!")
invalidation()
if show {
setClockerIcon()
}
} else {
Logger.info("Not stopping menubar timer!")
}
}
private func invalidation() {
menubarTimer?.invalidate()
}
private func setClockerIcon() {
if statusItem.view != nil {
statusItem.view = nil
}
if statusItem.button?.image?.name() == NSImage.Name.menubarIcon {
return
}
statusItem.button?.title = CLEmptyString
statusItem.button?.image = NSImage(named: .menubarIcon)
statusItem.button?.imagePosition = .imageOnly
}
private func setupForStandardText() {
var menubarText = CLEmptyString
if let menubarTitle = menubarTitleHandler.titleForMenubar() {
menubarText = menubarTitle
} else if DataStore.shared().shouldDisplay(.showMeetingInMenubar) {
// Don't have any meeting to show
} else {
// We have no favourites to display and no meetings to show.
// That means we should display our icon!
}
guard !menubarText.isEmpty else {
setClockerIcon()
return
}
statusItem.button?.title = menubarText
statusItem.button?.font = NSFont.monospacedDigitSystemFont(ofSize: 14.0, weight: NSFont.Weight.regular)
statusItem.button?.image = nil
statusItem.button?.imagePosition = .imageLeft
}
private func setupForCompactTextMode() {
// Let's invalidate the previous timer
menubarTimer?.invalidate()
menubarTimer = nil
constructCompactView()
updateMenubar()
}
}