Files
DeviceKit/Source/Device.swift
T
Dennis Weissmann 762124d397 new swiftlint rules
use swiftformat to format source code
new (well, Swift 3) operator syntax (static funcs instead of global ones)
bump version to 1.0.1
new implementation of `isZoomed` (which hopefully works now), this closes #59
2017-01-15 11:12:34 +01:00

646 lines
23 KiB
Swift

//
// Device.swift
// DeviceKit
//
// Created by Dennis Weissmann on 11/16/14.
// Copyright (c) 2014 Hot Action Studios. All rights reserved.
//
import UIKit
// MARK: - Device
/// This enum is a value-type wrapper around and extension of
/// [`UIDevice`](https://developer.apple.com/library/ios/documentation/UIKit/Reference/UIDevice_Class/).
///
/// This port is not yet complete and will be extended as I need further functionality. Feel free to extend it and send a pull request. Thanks! :)
///
/// Usage:
///
/// let device = Device()
///
/// print(device) // prints, for example, "iPhone 6 Plus"
///
/// if device == .iPhone6Plus {
/// // Do something
/// } else {
/// // Do something else
/// }
///
/// ...
///
/// if device.batteryState == .full || device.batteryState >= .charging(75) {
/// print("Your battery is happy! 😊")
/// }
///
/// ...
///
/// if device.batteryLevel >= 50 {
/// install_iOS()
/// } else {
/// showError()
/// }
///
public enum Device {
#if os(iOS)
/// Device is an [iPod Touch (5th generation)](https://support.apple.com/kb/SP657)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP657/sp657_ipod-touch_size.jpg)
case iPodTouch5
/// Device is an [iPod Touch (6th generation)](https://support.apple.com/kb/SP720)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP720/SP720-ipod-touch-specs-color-sg-2015.jpg)
case iPodTouch6
/// Device is an [iPhone 4](https://support.apple.com/kb/SP587)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP643/sp643_iphone4s_color_black.jpg)
case iPhone4
/// Device is an [iPhone 4s](https://support.apple.com/kb/SP643)
///
/// ![Image](https://support.apple.com/library/content/dam/edam/applecare/images/en_US/iphone/iphone5s/iphone_4s.png)
case iPhone4s
/// Device is an [iPhone 5](https://support.apple.com/kb/SP655)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP655/sp655_iphone5_color.jpg)
case iPhone5
/// Device is an [iPhone 5c](https://support.apple.com/kb/SP684)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP684/SP684-color_yellow.jpg)
case iPhone5c
/// Device is an [iPhone 5s](https://support.apple.com/kb/SP685)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP685/SP685-color_black.jpg)
case iPhone5s
/// Device is an [iPhone 6](https://support.apple.com/kb/SP705)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP705/SP705-iphone_6-mul.png)
case iPhone6
/// Device is an [iPhone 6 Plus](https://support.apple.com/kb/SP706)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP706/SP706-iphone_6_plus-mul.png)
case iPhone6Plus
/// Device is an [iPhone 6s](https://support.apple.com/kb/SP726)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP726/SP726-iphone6s-gray-select-2015.png)
case iPhone6s
/// Device is an [iPhone 6s Plus](https://support.apple.com/kb/SP727)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP727/SP727-iphone6s-plus-gray-select-2015.png)
case iPhone6sPlus
/// Device is an [iPhone 7](https://support.apple.com/kb/SP743)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP743/iphone7-black.png)
case iPhone7
/// Device is an [iPhone 7 Plus](https://support.apple.com/kb/SP744)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP744/iphone7-plus-black.png)
case iPhone7Plus
/// Device is an [iPhone SE](https://support.apple.com/kb/SP738)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP738/SP738.png)
case iPhoneSE
/// Device is an [iPad 2](https://support.apple.com/kb/SP622)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP622/SP622_01-ipad2-mul.png)
case iPad2
/// Device is an [iPad (3rd generation)](https://support.apple.com/kb/SP647)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP662/sp662_ipad-4th-gen_color.jpg)
case iPad3
/// Device is an [iPad (4th generation)](https://support.apple.com/kb/SP662)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP662/sp662_ipad-4th-gen_color.jpg)
case iPad4
/// Device is an [iPad Air](https://support.apple.com/kb/SP692)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP692/SP692-specs_color-mul.png)
case iPadAir
/// Device is an [iPad Air 2](https://support.apple.com/kb/SP708)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP708/SP708-space_gray.jpeg)
case iPadAir2
/// Device is an [iPad Mini](https://support.apple.com/kb/SP661)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP661/sp661_ipad_mini_color.jpg)
case iPadMini
/// Device is an [iPad Mini 2](https://support.apple.com/kb/SP693)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP693/SP693-specs_color-mul.png)
case iPadMini2
/// Device is an [iPad Mini 3](https://support.apple.com/kb/SP709)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP709/SP709-space_gray.jpeg)
case iPadMini3
/// Device is an [iPad Mini 4](https://support.apple.com/kb/SP725)
///
/// ![Image](https://support.apple.com/library/APPLE/APPLECARE_ALLGEOS/SP725/SP725ipad-mini-4.png)
case iPadMini4
/// Device is an [iPad Pro](http://www.apple.com/ipad-pro/)
///
/// ![Image](http://images.apple.com/v/ipad-pro/c/images/shared/buystrip/ipad_pro_large_2x.png)
case iPadPro9Inch
case iPadPro12Inch
#elseif os(tvOS)
/// Device is an [Apple TV](http://www.apple.com/tv/)
///
/// ![Image](http://images.apple.com/v/tv/c/images/overview/buy_tv_large_2x.jpg)
case appleTV4
#endif
/// Device is [Simulator](https://developer.apple.com/library/ios/documentation/IDEs/Conceptual/iOS_Simulator_Guide/Introduction/Introduction.html)
///
/// ![Image](https://developer.apple.com/assets/elements/icons/256x256/xcode-6.png)
indirect case simulator(Device)
/// Device is not yet known (implemented)
/// You can still use this enum as before but the description equals the identifier (you can get multiple identifiers for the same product class
/// (e.g. "iPhone6,1" or "iPhone 6,2" do both mean "iPhone 5s))
case unknown(String)
/// Initializes a `Device` representing the current device this software runs on.
public init() {
self = Device.mapToDevice(identifier: Device.identifier)
}
/// Gets the identifier from the system, such as "iPhone7,1".
public static var identifier: String {
var systemInfo = utsname()
uname(&systemInfo)
let mirror = Mirror(reflecting: systemInfo.machine)
let identifier = mirror.children.reduce("") { identifier, element in
guard let value = element.value as? Int8, value != 0 else { return identifier }
return identifier + String(UnicodeScalar(UInt8(value)))
}
return identifier
}
/// Maps an identifier to a Device. If the identifier can not be mapped to an existing device, `UnknownDevice(identifier)` is returned.
///
/// - parameter identifier: The device identifier, e.g. "iPhone7,1". Can be obtained from `Device.identifier`.
///
/// - returns: An initialized `Device`.
public static func mapToDevice(identifier: String) -> Device { // swiftlint:disable:this cyclomatic_complexity
#if os(iOS)
switch identifier {
case "iPod5,1": return iPodTouch5
case "iPod7,1": return iPodTouch6
case "iPhone3,1", "iPhone3,2", "iPhone3,3": return iPhone4
case "iPhone4,1": return iPhone4s
case "iPhone5,1", "iPhone5,2": return iPhone5
case "iPhone5,3", "iPhone5,4": return iPhone5c
case "iPhone6,1", "iPhone6,2": return iPhone5s
case "iPhone7,2": return iPhone6
case "iPhone7,1": return iPhone6Plus
case "iPhone8,1": return iPhone6s
case "iPhone8,2": return iPhone6sPlus
case "iPhone9,1", "iPhone9,3": return iPhone7
case "iPhone9,2", "iPhone9,4": return iPhone7Plus
case "iPhone8,4": return iPhoneSE
case "iPad2,1", "iPad2,2", "iPad2,3", "iPad2,4":return iPad2
case "iPad3,1", "iPad3,2", "iPad3,3": return iPad3
case "iPad3,4", "iPad3,5", "iPad3,6": return iPad4
case "iPad4,1", "iPad4,2", "iPad4,3": return iPadAir
case "iPad5,3", "iPad5,4": return iPadAir2
case "iPad2,5", "iPad2,6", "iPad2,7": return iPadMini
case "iPad4,4", "iPad4,5", "iPad4,6": return iPadMini2
case "iPad4,7", "iPad4,8", "iPad4,9": return iPadMini3
case "iPad5,1", "iPad5,2": return iPadMini4
case "iPad6,3", "iPad6,4": return iPadPro9Inch
case "iPad6,7", "iPad6,8": return iPadPro12Inch
case "i386", "x86_64": return simulator(mapToDevice(identifier: ProcessInfo().environment["SIMULATOR_MODEL_IDENTIFIER"] ?? "iOS"))
default: return unknown(identifier)
}
#elseif os(tvOS)
switch identifier {
case "AppleTV5,3": return appleTV4
case "i386", "x86_64": return simulator(mapToDevice(identifier: ProcessInfo().environment["SIMULATOR_MODEL_IDENTIFIER"] ?? "tvOS"))
default: return unknown(identifier)
}
#endif
}
#if os(iOS)
/// All iPods
public static var allPods: [Device] {
return [.iPodTouch5, .iPodTouch6]
}
/// All iPhones
public static var allPhones: [Device] {
return [.iPhone4, iPhone4s, .iPhone5, .iPhone5s, .iPhone5c, .iPhone6, .iPhone6Plus, .iPhoneSE, .iPhone6s, .iPhone6sPlus, .iPhone7, .iPhone7Plus]
}
/// All iPads
public static var allPads: [Device] {
return [.iPad2, .iPad3, .iPad4, .iPadAir, .iPadAir2, .iPadMini, .iPadMini2, .iPadMini3, .iPadMini4, .iPadPro9Inch, .iPadPro12Inch]
}
/// All simulator iPods
public static var allSimulatorPods: [Device] {
return allPods.map(Device.simulator)
}
/// All simulator iPhones
public static var allSimulatorPhones: [Device] {
return allPhones.map(Device.simulator)
}
/// All simulator iPads
public static var allSimulatorPads: [Device] {
return allPads.map(Device.simulator)
}
/// Returns whether the device is an iPod (real or simulator)
public var isPod: Bool {
return self.isOneOf(Device.allPods) || self.isOneOf(Device.allSimulatorPods)
}
/// Returns whether the device is an iPhone (real or simulator)
public var isPhone: Bool {
return self.isOneOf(Device.allPhones) || self.isOneOf(Device.allSimulatorPhones)
}
/// Returns whether the device is an iPad (real or simulator)
public var isPad: Bool {
return self.isOneOf(Device.allPads) || self.isOneOf(Device.allSimulatorPads)
}
/// Returns whether the device is any of the simulator
/// Useful when there is a need to check and skip running a portion of code (location request or others)
public var isSimulator: Bool {
return self.isOneOf(Device.allSimulators)
}
public var isZoomed: Bool {
if Int(UIScreen.main.scale.rounded()) == 3 {
// Plus-sized
return UIScreen.main.nativeScale > 2.7
} else {
return UIScreen.main.nativeScale > UIScreen.main.scale
}
}
/// Returns diagonal screen length in inch as Float
public var diagonal: Float {
switch self {
case .iPodTouch5: return 4
case .iPodTouch6: return 4
case .iPhone4: return 3.5
case .iPhone4s: return 3.5
case .iPhone5: return 4
case .iPhone5c: return 4
case .iPhone5s: return 4
case .iPhone6: return 4.7
case .iPhone6Plus: return 5.5
case .iPhone6s: return 4.7
case .iPhone6sPlus: return 5.5
case .iPhone7: return 4.7
case .iPhone7Plus: return 5.5
case .iPhoneSE: return 4
case .iPad2: return 9.7
case .iPad3: return 9.7
case .iPad4: return 9.7
case .iPadAir: return 9.7
case .iPadAir2: return 9.7
case .iPadMini: return 7.9
case .iPadMini2: return 7.9
case .iPadMini3: return 7.9
case .iPadMini4: return 7.9
case .iPadPro9Inch: return 9.7
case .iPadPro12Inch: return 12.9
case .simulator(let model): return model.diagonal
case .unknown: return -1
}
}
/// Returns screen ratio as a tuple (width: Float, height: Float)
public var screenRatio: (width: Float, height: Float) {
switch self {
case .iPodTouch5: return (width: 9, height: 16)
case .iPodTouch6: return (width: 9, height: 16)
case .iPhone4: return (width: 2, height: 3)
case .iPhone4s: return (width: 2, height: 3)
case .iPhone5: return (width: 9, height: 16)
case .iPhone5c: return (width: 9, height: 16)
case .iPhone5s: return (width: 9, height: 16)
case .iPhone6: return (width: 9, height: 16)
case .iPhone6Plus: return (width: 9, height: 16)
case .iPhone6s: return (width: 9, height: 16)
case .iPhone6sPlus: return (width: 9, height: 16)
case .iPhone7: return (width: 9, height: 16)
case .iPhone7Plus: return (width: 9, height: 16)
case .iPhoneSE: return (width: 9, height: 16)
case .iPad2: return (width: 3, height: 4)
case .iPad3: return (width: 3, height: 4)
case .iPad4: return (width: 3, height: 4)
case .iPadAir: return (width: 3, height: 4)
case .iPadAir2: return (width: 3, height: 4)
case .iPadMini: return (width: 3, height: 4)
case .iPadMini2: return (width: 3, height: 4)
case .iPadMini3: return (width: 3, height: 4)
case .iPadMini4: return (width: 3, height: 4)
case .iPadPro9Inch: return (width: 3, height: 4)
case .iPadPro12Inch: return (width: 3, height: 4)
case .simulator(let model): return model.screenRatio
case .unknown: return (width: -1, height: -1)
}
}
#elseif os(tvOS)
/// All TVs
public static var allTVs: [Device] {
return [.appleTV4]
}
/// All simulator TVs
public static var allSimulatorTVs: [Device] {
return allTVs.map(Device.simulator)
}
#endif
/// All real devices (i.e. all devices except for all simulators)
public static var allRealDevices: [Device] {
#if os(iOS)
return allPods + allPhones + allPads
#elseif os(tvOS)
return allTVs
#endif
}
/// All simulators
public static var allSimulators: [Device] {
return allRealDevices.map(Device.simulator)
}
/**
This method saves you in many cases from the need of updating your code with every new device.
Most uses for an enum like this are the following:
```
switch Device() {
case .iPodTouch5, .iPodTouch6: callMethodOnIPods()
case .iPhone4, iPhone4s, .iPhone5, .iPhone5s, .iPhone6, .iPhone6Plus, .iPhone6s, .iPhone6sPlus, .iPhone7, .iPhone7Plus, .iPhoneSE: callMethodOnIPhones()
case .iPad2, .iPad3, .iPad4, .iPadAir, .iPadAir2, .iPadMini, .iPadMini2, .iPadMini3, .iPadMini4, .iPadPro: callMethodOnIPads()
default: break
}
```
This code can now be replaced with
```
let device = Device()
if device.isOneOf(Device.allPods) {
callMethodOnIPods()
} else if device.isOneOf(Device.allPhones) {
callMethodOnIPhones()
} else if device.isOneOf(Device.allPads) {
callMethodOnIPads()
}
```
- parameter devices: An array of devices.
- returns: Returns whether the current device is one of the passed in ones.
*/
public func isOneOf(_ devices: [Device]) -> Bool {
return devices.contains(self)
}
/// The style of interface to use on the current device.
/// This is pretty useless right now since it does not add any further functionality to the existing
/// [UIUserInterfaceIdiom](https://developer.apple.com/library/ios/documentation/UIKit/Reference/UIDevice_Class/#//apple_ref/c/tdef/UIUserInterfaceIdiom) enum.
public enum UserInterfaceIdiom {
/// The user interface should be designed for iPhone and iPod touch.
case phone
/// The user interface should be designed for iPad.
case pad
/// The user interface should be designed for TV
case tv
/// The user interface should be designed for Car
case carPlay
/// Used when an object has a trait collection, but it is not in an environment yet. For example, a view that is created, but not put into a view hierarchy.
case unspecified
private init() {
switch UIDevice.current.userInterfaceIdiom {
case .pad: self = .pad
case .phone: self = .phone
case .tv: self = .tv
case .carPlay: self = .carPlay
default: self = .unspecified
}
}
}
/// The name identifying the device (e.g. "Dennis' iPhone").
public var name: String {
return UIDevice.current.name
}
/// The name of the operating system running on the device represented by the receiver (e.g. "iPhone OS" or "tvOS").
public var systemName: String {
return UIDevice.current.systemName
}
/// The current version of the operating system (e.g. 8.4 or 9.2).
public var systemVersion: String {
return UIDevice.current.systemVersion
}
/// The model of the device (e.g. "iPhone" or "iPod Touch").
public var model: String {
return UIDevice.current.model
}
/// The model of the device as a localized string.
public var localizedModel: String {
return UIDevice.current.localizedModel
}
}
// MARK: - CustomStringConvertible
extension Device: CustomStringConvertible {
/// A textual representation of the device.
public var description: String {
#if os(iOS)
switch self {
case .iPodTouch5: return "iPod Touch 5"
case .iPodTouch6: return "iPod Touch 6"
case .iPhone4: return "iPhone 4"
case .iPhone4s: return "iPhone 4s"
case .iPhone5: return "iPhone 5"
case .iPhone5c: return "iPhone 5c"
case .iPhone5s: return "iPhone 5s"
case .iPhone6: return "iPhone 6"
case .iPhone6Plus: return "iPhone 6 Plus"
case .iPhone6s: return "iPhone 6s"
case .iPhone6sPlus: return "iPhone 6s Plus"
case .iPhone7: return "iPhone 7"
case .iPhone7Plus: return "iPhone 7 Plus"
case .iPhoneSE: return "iPhone SE"
case .iPad2: return "iPad 2"
case .iPad3: return "iPad 3"
case .iPad4: return "iPad 4"
case .iPadAir: return "iPad Air"
case .iPadAir2: return "iPad Air 2"
case .iPadMini: return "iPad Mini"
case .iPadMini2: return "iPad Mini 2"
case .iPadMini3: return "iPad Mini 3"
case .iPadMini4: return "iPad Mini 4"
case .iPadPro9Inch: return "iPad Pro (9.7-inch)"
case .iPadPro12Inch: return "iPad Pro (12.9-inch)"
case .simulator(let model): return "Simulator (\(model))"
case .unknown(let identifier): return identifier
}
#elseif os(tvOS)
switch self {
case .appleTV4: return "Apple TV 4"
case .simulator(let model): return "Simulator (\(model))"
case .unknown(let identifier): return identifier
}
#endif
}
}
// MARK: - Equatable
extension Device: Equatable {
/// Compares two devices
///
/// - parameter lhs: A device.
/// - parameter rhs: Another device.
///
/// - returns: `true` iff the underlying identifier is the same.
public static func == (lhs: Device, rhs: Device) -> Bool {
return lhs.description == rhs.description
}
}
#if os(iOS)
// MARK: - Battery
extension Device {
/**
This enum describes the state of the battery.
- Full: The device is plugged into power and the battery is 100% charged or the device is the iOS Simulator.
- Charging: The device is plugged into power and the battery is less than 100% charged.
- Unplugged: The device is not plugged into power; the battery is discharging.
*/
public enum BatteryState: CustomStringConvertible, Equatable {
/// The device is plugged into power and the battery is 100% charged or the device is the iOS Simulator.
case full
/// The device is plugged into power and the battery is less than 100% charged.
/// The associated value is in percent (0-100).
case charging(Int)
/// The device is not plugged into power; the battery is discharging.
/// The associated value is in percent (0-100).
case unplugged(Int)
fileprivate init() {
UIDevice.current.isBatteryMonitoringEnabled = true
let batteryLevel = Int(round(UIDevice.current.batteryLevel * 100)) // round() is actually not needed anymore since -[batteryLevel] seems to always return a two-digit precision number
// but maybe that changes in the future.
switch UIDevice.current.batteryState {
case .charging: self = .charging(batteryLevel)
case .full: self = .full
case .unplugged:self = .unplugged(batteryLevel)
case .unknown: self = .full // Should never happen since `batteryMonitoring` is enabled.
}
UIDevice.current.isBatteryMonitoringEnabled = false
}
/// Provides a textual representation of the battery state.
/// Examples:
/// ```
/// Battery level: 90%, device is plugged in.
/// Battery level: 100 % (Full), device is plugged in.
/// Battery level: \(batteryLevel)%, device is unplugged.
/// ```
public var description: String {
switch self {
case .charging(let batteryLevel): return "Battery level: \(batteryLevel)%, device is plugged in."
case .full: return "Battery level: 100 % (Full), device is plugged in."
case .unplugged(let batteryLevel): return "Battery level: \(batteryLevel)%, device is unplugged."
}
}
}
/// The state of the battery
public var batteryState: BatteryState {
return BatteryState()
}
/// Battery level ranges from 0 (fully discharged) to 100 (100% charged).
public var batteryLevel: Int {
switch BatteryState() {
case .charging(let value): return value
case .full: return 100
case .unplugged(let value): return value
}
}
}
// MARK: - Device.Batterystate: Comparable
extension Device.BatteryState: Comparable {
/// Tells if two battery states are equal.
///
/// - parameter lhs: A battery state.
/// - parameter rhs: Another battery state.
///
/// - returns: `true` iff they are equal, otherwise `false`
public static func == (lhs: Device.BatteryState, rhs: Device.BatteryState) -> Bool {
return lhs.description == rhs.description
}
/// Compares two battery states.
///
/// - parameter lhs: A battery state.
/// - parameter rhs: Another battery state.
///
/// - returns: `true` if rhs is `.Full`, `false` when lhs is `.Full` otherwise their battery level is compared.
public static func < (lhs: Device.BatteryState, rhs: Device.BatteryState) -> Bool {
switch (lhs, rhs) {
case (.full, _): return false // return false (even if both are `.Full` -> they are equal)
case (_, .full): return true // lhs is *not* `.Full`, rhs is
case (.charging(let lhsLevel), .charging(let rhsLevel)): return lhsLevel < rhsLevel
case (.charging(let lhsLevel), .unplugged(let rhsLevel)): return lhsLevel < rhsLevel
case (.unplugged(let lhsLevel), .charging(let rhsLevel)): return lhsLevel < rhsLevel
case (.unplugged(let lhsLevel), .unplugged(let rhsLevel)): return lhsLevel < rhsLevel
default: return false // compiler won't compile without it, though it cannot happen
}
}
}
#endif