DeviceType

DeviceType

import UIKit

struct ScreenSize
{
    static var SCREEN_WIDTH : CGFloat { UIScreen.main.bounds.size.width }
    static var SCREEN_HEIGHT : CGFloat { UIScreen.main.bounds.size.height }
    static var SCREEN_MAX_LENGTH : CGFloat { max(ScreenSize.SCREEN_WIDTH, ScreenSize.SCREEN_HEIGHT) }
    static var SCREEN_MIN_LENGTH : CGFloat { min(ScreenSize.SCREEN_WIDTH, ScreenSize.SCREEN_HEIGHT) }
}

struct DeviceFeatures {
    
    static var IS_LANDSCAPE : Bool {
        ScreenSize.SCREEN_WIDTH > ScreenSize.SCREEN_HEIGHT
        // or
        // UIApplication.shared.statusBarOrientation.isLandscape
    }
    
    static var IS_PORTRAIT: Bool {
        ScreenSize.SCREEN_HEIGHT > ScreenSize.SCREEN_WIDTH
        // or 
        //UIApplication.shared.statusBarOrientation.isPortrait
    }
    
    /**
     * This property tries to get 4 orientations:
     * landscapeLeft, landscapeRight, portrait, portraitUpsideDown
     * as defined by UIDeviceOrientation enum.
     * It can return also unknown orientation (which is rare case)
     */
    static var ORIENTATION: UIDeviceOrientation {
        
        // if device orientation is one of the portrait or landscape
        // return just this orinentation
        let deviceOrientation = UIDevice.current.orientation
        if deviceOrientation.isPortrait || deviceOrientation.isLandscape {
            return deviceOrientation
        }
        
        // otherwise if there is flat (faceUp, faceDown), unknown orientation
        // try to get orientation from UIInterfaceOrientation
        // Notice that:
        // UIDeviceOrientationLandscapeRights => UIInterfaceOrientationLandscapeLeft
        // UIDeviceOrientationLandscapeLeft => UIInterfaceOrientationLandscapeRight
        
        let interfaceOrientation = UIApplication.shared.statusBarOrientation
        switch interfaceOrientation {
        case .landscapeLeft:
            return UIDeviceOrientation.landscapeRight
        case .landscapeRight:
            return UIDeviceOrientation.landscapeLeft
        case .portrait:
            return .portrait
        case .portraitUpsideDown:
            return .portraitUpsideDown
        case .unknown:
            break
        }
        
        
        // otherwise get orientation based on screen size
        if DeviceFeatures.IS_PORTRAIT {
            return .portrait
        } else if DeviceFeatures.IS_LANDSCAPE {
            return .landscapeLeft
        }
        
        return .unknown
    }
    
    static var INTERFACE_ORIENTATION: UIInterfaceOrientation {
        return UIApplication.shared.statusBarOrientation
    }
}

struct DeviceType
{
    static var IS_ANY_IPHONE: Bool {
        UIDevice.current.userInterfaceIdiom == .phone
    }
    
    static var IS_SMALL : Bool {
        UIDevice.current.userInterfaceIdiom == .phone && ScreenSize.SCREEN_MAX_LENGTH < 600.0
    }
    static var IS_MEDIUM : Bool {
        UIDevice.current.userInterfaceIdiom == .phone && ScreenSize.SCREEN_MAX_LENGTH < 700.0
    }
    
    static var IS_IPHONE_4_OR_LESS : Bool { UIDevice.current.userInterfaceIdiom == .phone && ScreenSize.SCREEN_MAX_LENGTH < 568.0 }
    static var IS_IPHONE_5_5S_SE : Bool { UIDevice.current.userInterfaceIdiom == .phone && ScreenSize.SCREEN_MAX_LENGTH == 568.0 }
    static var IS_IPHONE_6_7_8 : Bool { UIDevice.current.userInterfaceIdiom == .phone && ScreenSize.SCREEN_MAX_LENGTH == 667.0 }
    static var IS_IPHONE_6P_7P_8P : Bool { UIDevice.current.userInterfaceIdiom == .phone && ScreenSize.SCREEN_MAX_LENGTH == 736.0 }
    
    static var IS_IPHONE_X_XS : Bool { UIDevice.current.userInterfaceIdiom == .phone && ScreenSize.SCREEN_MAX_LENGTH == 812.0 }
    static var IS_IPHONE_XR_XS_MAX : Bool { UIDevice.current.userInterfaceIdiom == .phone && ScreenSize.SCREEN_MAX_LENGTH == 896.0 }
    
    static var IS_IPAD : Bool { UIDevice.current.userInterfaceIdiom == .pad && ScreenSize.SCREEN_MAX_LENGTH == 1024.0 }
    static var IS_IPAD_PRO : Bool { UIDevice.current.userInterfaceIdiom == .pad && ScreenSize.SCREEN_MAX_LENGTH == 1366.0 }
    
    static var IS_ANY_IPAD : Bool { UIDevice.current.userInterfaceIdiom == .pad }
    
    static var HAS_TOP_NOTCH : Bool {
        // with notch: 44.0 on iPhone X, XS, XS Max, XR.
        // without notch: 24.0 on iPad Pro 12.9" 3rd generation, 20.0 on iPhone 8 on iOS 12+.
         UIApplication.shared.windows.first?.safeAreaInsets.top ?? 0 > 24
    }
    
    static var SAFE_AREA : UIEdgeInsets {
        UIApplication.shared.windows.first?.safeAreaInsets ?? .zero
    }
    
    static var HAS_BOTTOM_SAFE_AREA : Bool {
        // with home indicator: 34.0 on iPhone X, XS, XS Max, XR.
        // with home indicator: 20.0 on iPad Pro 12.9" 3rd generation.
         UIApplication.shared.windows.first?.safeAreaInsets.bottom ?? 0 > 0
    }
}

extension DeviceType {
    
    static var IS_IPHONE_PORTRAIT: Bool {
        UIDevice.current.userInterfaceIdiom == .phone && DeviceFeatures.IS_PORTRAIT
    }
}