session-ios/SignalMessaging/categories/UIDevice+featureSupport.swift

//
//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
//

import Foundation

@objc
public extension UIDevice {
    var supportsCallKit: Bool {
        return ProcessInfo().isOperatingSystemAtLeast(OperatingSystemVersion(majorVersion: 10, minorVersion: 0, patchVersion: 0))
    }

    @objc
    public var hasIPhoneXNotch: Bool {
        switch UIScreen.main.nativeBounds.height {
        case 960:
            //  iPad in iPhone compatibility mode (using old iPhone 4 screen size)
            return false
        case 1136:
            // iPhone 5 or 5S or 5C
            return false
        case 1334:
            // iPhone 6/6S/7/8
            return false
        case 1792:
            // iPhone XR
            return true
        case 1920, 2208:
            // iPhone 6+/6S+/7+/8+//
            return false
        case 2436:
            // iPhone X, iPhone XS
            return true
        case 2688:
            // iPhone X Max
            return true
        default:
            // Verify all our IOS_DEVICE_CONSTANT tags make sense when adding a new device size.
            owsFailDebug("unknown device format")
            return false
        }
    }

    @objc
    public var isShorterThanIPhone5: Bool {
        return UIScreen.main.bounds.height < 568
    }

    @objc
    public var isIPad: Bool {
        let isNativeIPad = UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiom.pad
        let isCompatabilityModeIPad = UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiom.phone && self.model.hasPrefix("iPad")

        return isNativeIPad || isCompatabilityModeIPad
    }

    public func ows_setOrientation(_ orientation: UIInterfaceOrientation) {
        // XXX - This is not officially supported, but there's no other way to programmatically rotate
        // the interface.
        let orientationKey = "orientation"
        self.setValue(orientation.rawValue, forKey: orientationKey)

        // Not strictly necessary for the orientation to appear as changed
        // but allegedly helps ensure related rotation delegate methods are called.
        // https://stackoverflow.com/questions/20987249/how-do-i-programmatically-set-device-orientation-in-ios7
        UINavigationController.attemptRotationToDeviceOrientation()
    }
}