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// Copyright © 2015 Abhishek Banthia
import Cocoa
func isDarkModeOn() -> Bool {
if #available(macOS 10.14, *) {
return NSAppearance.current.name == NSAppearance.Name.darkAqua
}
return false
}
extension Notification.Name {
static let themeDidChangeNotification = Notification.Name(rawValue: "ThemeDidChangeNotification")
}
enum Theme: Int {
case light = 0
case dark
case system
case solarizedLight
case solarizedDark
}
class Themer: NSObject {
private static var sharedInstance = Themer()
private var themeIndex: Theme {
didSet {
NotificationCenter.default.post(name: .themeDidChangeNotification, object: nil)
}
}
override init() {
let defaultTheme = UserDefaults.standard.integer(forKey: CLThemeKey)
switch defaultTheme {
case 0:
themeIndex = Theme.light
case 1:
themeIndex = Theme.dark
case 2:
themeIndex = Theme.system
case 3:
themeIndex = Theme.solarizedLight
case 4:
themeIndex = Theme.solarizedDark
default:
themeIndex = Theme.light
}
super.init()
setAppAppearance()
DistributedNotificationCenter.default.addObserver(self,
selector: #selector(respondToInterfaceStyle),
name: .interfaceStyleDidChange,
object: nil)
}
}
extension Themer {
class func shared() -> Themer {
return sharedInstance
}
func set(theme: Int) {
if themeIndex.rawValue == theme {
return
}
switch theme {
case 0:
themeIndex = Theme.light
case 1:
themeIndex = Theme.dark
case 2:
themeIndex = Theme.system
case 3:
themeIndex = Theme.solarizedLight
case 4:
themeIndex = Theme.solarizedDark
default:
themeIndex = Theme.light
}
setAppAppearance()
}
@objc func respondToInterfaceStyle() {
OperationQueue.main.addOperation {
self.setAppAppearance()
}
}
private func setAppAppearance() {
if #available(OSX 10.14, *) {
var appAppearance = NSAppearance(named: .aqua)
if themeIndex == .dark {
appAppearance = NSAppearance(named: .darkAqua)
} else if themeIndex == .system {
appAppearance = NSAppearance.current
}
NSApp.appearance = appAppearance
}
}
func sliderKnobColor() -> NSColor {
return themeIndex == .light ? NSColor(deviceRed: 255.0, green: 255.0, blue: 255, alpha: 0.9) : NSColor(deviceRed: 0.0, green: 0.0, blue: 0, alpha: 0.9)
}
func sliderRightColor() -> NSColor {
return themeIndex == .dark ? NSColor.white : NSColor.gray
}
func mainBackgroundColor() -> NSColor {
if #available(macOS 10.14, *) {
switch themeIndex {
case .light:
return NSColor.white
case .dark:
return NSColor(deviceRed: 42.0 / 255.0, green: 42.0 / 255.0, blue: 42.0 / 255.0, alpha: 1.0)
case .system:
return retrieveCurrentSystem() == .light ? NSColor.white : NSColor.windowBackgroundColor
case .solarizedLight:
return NSColor(deviceRed: 253.0 / 255.0, green: 246.0 / 255.0, blue: 227.0 / 255.0, alpha: 1.0)
case .solarizedDark:
return NSColor(deviceRed: 7.0 / 255.0, green: 54.0 / 255.0, blue: 66.0 / 255.0, alpha: 1.0)
}
}
return themeIndex == .light ? NSColor.white : NSColor(deviceRed: 55.0 / 255.0, green: 71.0 / 255.0, blue: 79.0 / 255.0, alpha: 1.0)
}
private func retrieveCurrentSystem() -> Theme {
if #available(OSX 10.15, *) {
let appearanceDescription = NSApplication.shared.effectiveAppearance.debugDescription.lowercased()
if appearanceDescription.contains("dark") {
return .dark
}
} else if #available(OSX 10.14, *) {
if let appleInterfaceStyle = UserDefaults.standard.object(forKey: "AppleInterfaceStyle") as? String {
if appleInterfaceStyle.lowercased().contains("dark") {
return .dark
}
}
}
return .light
}
func mainTextColor() -> NSColor {
if #available(macOS 10.14, *) {
switch themeIndex {
case .light:
return NSColor.black
case .dark:
return NSColor.white
case .system:
return NSColor.textColor
case .solarizedLight:
return NSColor.black
case .solarizedDark:
return NSColor.white
}
}
return themeIndex == .light ? NSColor.black : NSColor.white
}
func shutdownImage() -> NSImage {
if let symbolImageForShutdown = symbolImage(for: "ellipsis.circle") {
return symbolImageForShutdown
}
if #available(macOS 10.14, *) {
switch themeIndex {
case .light:
return NSImage(named: NSImage.Name("PowerIcon"))!
case .dark, .solarizedDark:
return NSImage(named: NSImage.Name("PowerIcon-White"))!
case .system:
return NSImage(named: NSImage.Name("Power"))!
case .solarizedLight:
return NSImage(named: NSImage.Name("PowerIcon"))!
}
}
return themeIndex == .light ? NSImage(named: NSImage.Name("PowerIcon"))! : NSImage(named: NSImage.Name("PowerIcon-White"))!
}
func preferenceImage() -> NSImage {
if let symbolImageForPreference = symbolImage(for: "gear") {
return symbolImageForPreference
}
if #available(macOS 10.14, *) {
switch themeIndex {
case .light:
return NSImage(named: NSImage.Name("Settings"))!
case .dark, .solarizedDark:
return NSImage(named: NSImage.Name("Settings-White"))!
case .system:
return NSImage(named: NSImage.actionTemplateName)!
case .solarizedLight:
return NSImage(named: NSImage.Name("Settings"))!
}
}
return
themeIndex == .light
? NSImage(named: NSImage.Name("Settings"))!
: NSImage(named: NSImage.Name("Settings-White"))!
}
func pinImage() -> NSImage {
if let pinImage = symbolImage(for: "macwindow.on.rectangle") {
return pinImage
}
if #available(macOS 10.14, *) {
switch themeIndex {
case .light, .solarizedLight:
return NSImage(named: NSImage.Name("Float"))!
case .dark, .solarizedDark:
return NSImage(named: NSImage.Name("Float-White"))!
case .system:
return NSImage(named: NSImage.Name("Pin"))!
}
}
return themeIndex == .light
? NSImage(named: NSImage.Name("Float"))!
: NSImage(named: NSImage.Name("Float-White"))!
}
func sunriseImage() -> NSImage {
if let symbolImage = symbolImage(for: "sunrise.fill") {
return symbolImage
}
if #available(macOS 10.14, *) {
switch themeIndex {
case .light, .solarizedLight:
return NSImage(named: NSImage.Name("Sunrise"))!
case .dark, .solarizedDark:
return NSImage(named: NSImage.Name("WhiteSunrise"))!
case .system:
return NSImage(named: NSImage.Name("Sunrise Dynamic"))!
}
}
return themeIndex == .light ? NSImage(named: NSImage.Name("Sunrise"))! : NSImage(named: NSImage.Name("WhiteSunrise"))!
}
func sunsetImage() -> NSImage {
if let symbolImage = symbolImage(for: "sunset.fill") {
return symbolImage
}
if #available(macOS 10.14, *) {
switch themeIndex {
case .light, .solarizedLight:
return NSImage(named: NSImage.Name("Sunset"))!
case .dark, .solarizedDark:
return NSImage(named: NSImage.Name("WhiteSunset"))!
case .system:
return NSImage(named: NSImage.Name("Sunset Dynamic"))!
}
}
return themeIndex == .light ? NSImage(named: NSImage.Name("Sunset"))! : NSImage(named: NSImage.Name("WhiteSunset"))!
}
func removeImage() -> NSImage {
if let symbolImage = symbolImage(for: "xmark") {
return symbolImage
}
if #available(macOS 10.14, *) {
switch themeIndex {
case .light, .solarizedLight:
return NSImage(named: NSImage.Name("Remove"))!
case .dark, .solarizedDark:
return NSImage(named: NSImage.Name("WhiteRemove"))!
case .system:
return NSImage(named: NSImage.Name("Remove Dynamic"))!
}
}
return themeIndex == .light ? NSImage(named: NSImage.Name("Remove"))! : NSImage(named: NSImage.Name("WhiteRemove"))!
}
func extraOptionsImage() -> NSImage {
if #available(macOS 10.14, *) {
switch themeIndex {
case .light, .solarizedLight:
return NSImage(named: NSImage.Name("Extra"))!
case .dark, .solarizedDark:
return NSImage(named: NSImage.Name("ExtraWhite"))!
case .system:
return NSImage(named: NSImage.Name("Extra Dynamic"))!
}
}
return themeIndex == .light ? NSImage(named: NSImage.Name("Extra"))! : NSImage(named: NSImage.Name("ExtraWhite"))!
}
func menubarOnboardingImage() -> NSImage {
if #available(macOS 10.14, *) {
switch themeIndex {
case .system:
return NSImage(named: NSImage.Name("Dynamic Menubar"))!
default:
return UserDefaults.standard.string(forKey: "AppleInterfaceStyle") == "Dark" ? NSImage(named: NSImage.Name("Dark Menubar"))! : NSImage(named: NSImage.Name("Light Menubar"))!
}
}
return UserDefaults.standard.string(forKey: "AppleInterfaceStyle") == "Dark" ? NSImage(named: NSImage.Name("Dark Menubar"))! : NSImage(named: NSImage.Name("Light Menubar"))!
}
func extraOptionsHighlightedImage() -> NSImage {
if #available(macOS 10.14, *) {
switch themeIndex {
case .light, .solarizedLight:
return NSImage(named: NSImage.Name("ExtraHighlighted"))!
case .dark, .solarizedDark:
return NSImage(named: NSImage.Name("ExtraWhiteHighlighted"))!
case .system:
return NSImage(named: NSImage.Name("ExtraHighlighted Dynamic"))!
}
}
return themeIndex == .light ? NSImage(named: NSImage.Name("ExtraHighlighted"))! : NSImage(named: NSImage.Name("ExtraWhiteHighlighted"))!
}
func sharingImage() -> NSImage {
if let sharingImage = symbolImage(for: "square.and.arrow.up.on.square.fill") {
return sharingImage
}
if #available(macOS 10.14, *) {
switch themeIndex {
case .light, .solarizedLight:
return NSImage(named: NSImage.Name("Sharing"))!
case .dark, .solarizedDark:
return NSImage(named: NSImage.Name("SharingDarkIcon"))!
case .system:
return NSImage(named: NSImage.Name("Sharing Dynamic"))!
}
}
return themeIndex == .light ? NSImage(named: NSImage.shareTemplateName)! : NSImage(named: NSImage.Name("SharingDarkIcon"))!
}
func currentLocationImage() -> NSImage {
if let symbolImage = symbolImage(for: "location.fill") {
return symbolImage
}
if #available(macOS 10.14, *) {
switch themeIndex {
case .light, .solarizedLight:
return NSImage(named: NSImage.Name("CurrentLocation"))!
case .dark, .solarizedDark:
return NSImage(named: NSImage.Name("CurrentLocationWhite"))!
case .system:
return NSImage(named: NSImage.Name("CurrentLocationDynamic"))!
}
}
return themeIndex == .light ? NSImage(named: NSImage.Name("CurrentLocation"))! : NSImage(named: NSImage.Name("CurrentLocationWhite"))!
}
func popoverAppearance() -> NSAppearance {
if #available(macOS 10.14, *) {
switch themeIndex {
case .light, .solarizedLight:
return NSAppearance(named: NSAppearance.Name.vibrantLight)!
case .dark, .solarizedDark:
return NSAppearance(named: NSAppearance.Name.vibrantDark)!
case .system:
return NSAppearance.current
}
}
return themeIndex == .light ? NSAppearance(named: NSAppearance.Name.vibrantLight)! : NSAppearance(named: NSAppearance.Name.vibrantDark)!
}
func addImage() -> NSImage {
if #available(macOS 10.14, *) {
switch themeIndex {
case .light, .solarizedLight:
return NSImage(named: NSImage.Name("Add Icon"))!
case .dark, .solarizedDark:
return NSImage(named: NSImage.Name("Add White"))!
case .system:
return NSImage(named: .addDynamicIcon)!
}
}
return themeIndex == .light ? NSImage(named: NSImage.Name("Add Icon"))! : NSImage(named: NSImage.Name("Add White"))!
}
func addImageHighlighted() -> NSImage {
return themeIndex == .light ? NSImage(named: NSImage.Name("Add Highlighted"))! : NSImage(named: NSImage.Name("Add White"))!
}
func privacyTabImage() -> NSImage {
if let privacyTabSFImage = symbolImage(for: "lock") {
return privacyTabSFImage
}
if #available(macOS 10.14, *) {
switch themeIndex {
case .light, .solarizedLight:
return NSImage(named: NSImage.Name("Privacy"))!
case .dark, .solarizedDark:
return NSImage(named: NSImage.Name("Privacy Dark"))!
case .system:
return NSImage(named: .permissionTabIcon)!
}
}
return themeIndex == .light ? NSImage(named: NSImage.Name("Privacy"))! : NSImage(named: NSImage.Name("Privacy Dark"))!
}
func appearanceTabImage() -> NSImage {
if let appearanceTabImage = symbolImage(for: "eye") {
return appearanceTabImage
}
if #available(macOS 10.14, *) {
switch themeIndex {
case .light, .solarizedLight:
return NSImage(named: NSImage.Name("Appearance"))!
case .dark, .solarizedDark:
return NSImage(named: NSImage.Name("Appearance Dark"))!
case .system:
return NSImage(named: .appearanceTabIcon)!
}
}
return themeIndex == .light ? NSImage(named: NSImage.Name("Appearance"))! : NSImage(named: NSImage.Name("Appearance Dark"))!
}
func calendarTabImage() -> NSImage {
if let calendarTabImage = symbolImage(for: "calendar") {
return calendarTabImage
}
if #available(macOS 10.14, *) {
switch themeIndex {
case .light, .solarizedLight:
return NSImage(named: NSImage.Name("Calendar Tab Icon"))!
case .dark, .solarizedDark:
return NSImage(named: NSImage.Name("Calendar Tab Dark"))!
case .system:
return NSImage(named: .calendarTabIcon)!
}
}
return themeIndex == .light ? NSImage(named: NSImage.Name("Calendar Tab Icon"))! : NSImage(named: NSImage.Name("Calendar Tab Dark"))!
}
func generalTabImage() -> NSImage? {
return symbolImage(for: "gearshape")
}
func aboutTabImage() -> NSImage? {
return symbolImage(for: "info.circle")
}
func textBackgroundColor() -> NSColor {
if #available(macOS 10.14, *) {
switch themeIndex {
case .light:
return NSColor(deviceRed: 241.0 / 255.0, green: 241.0 / 255.0, blue: 241.0 / 255.0, alpha: 1.0)
case .dark:
return NSColor(deviceRed: 42.0 / 255.0, green: 55.0 / 255.0, blue: 62.0 / 255.0, alpha: 1.0)
case .system:
return retrieveCurrentSystem() == .light ? NSColor(deviceRed: 241.0 / 255.0, green: 241.0 / 255.0, blue: 241.0 / 255.0, alpha: 1.0) : NSColor.controlBackgroundColor
case .solarizedLight:
return NSColor(deviceRed: 238.0 / 255.0, green: 232.0 / 255.0, blue: 213.0 / 255.0, alpha: 1.0)
case .solarizedDark:
return NSColor(deviceRed: 88.0 / 255.0, green: 110.0 / 255.0, blue: 117.0 / 255.0, alpha: 1.0)
}
}
return themeIndex == .light ?
NSColor(deviceRed: 241.0 / 255.0, green: 241.0 / 255.0, blue: 241.0 / 255.0, alpha: 1.0) :
NSColor(deviceRed: 42.0 / 255.0, green: 55.0 / 255.0, blue: 62.0 / 255.0, alpha: 1.0)
}
func videoCallImage() -> NSImage? {
if #available(macOS 11.0, *) {
let symbolConfig = NSImage.SymbolConfiguration(pointSize: 20, weight: .regular)
return symbolImage(for: "video.circle.fill")?.withSymbolConfiguration(symbolConfig)
} else {
return nil
}
}
func filledTrashImage() -> NSImage? {
return symbolImage(for: "trash.fill")
}
// Modern Slider
func goBackwardsImage() -> NSImage? {
return symbolImage(for: "gobackward.15")
}
func goForwardsImage() -> NSImage? {
return symbolImage(for: "goforward.15")
}
func resetModernSliderImage() -> NSImage? {
return symbolImage(for: "xmark.circle.fill")
}
private func symbolImage(for name: String) -> NSImage? {
assert(name.isEmpty == false)
if #available(OSX 11.0, *) {
return NSImage(systemSymbolName: name,
accessibilityDescription: name)
}
return nil
}
}