Vibrations, notification feedback type

Vibrations.swift

import AVFoundation
import UIKit

// MARK: - Vibrations

public enum Vibrations {

    /// A notification feedback type, indicating that a task has failed.
    case error
    /// A notification feedback type, indicating that a task has completed successfully.
    case success
    /// A notification feedback type, indicating that a task has produced a warning.
    case warning
    /// A notification feedback type, light.
    case light
    /// A notification feedback type, medium.
    case medium
    /// A notification feedback type, heavy.
    case heavy
    /// A notification feedback type, selection.
    case selection
    case oldSchool

    public func vibrate() {
        switch self {
        case .error:
            let generator = UINotificationFeedbackGenerator()
            generator.notificationOccurred(.error)

        case .success:
            let generator = UINotificationFeedbackGenerator()
            generator.notificationOccurred(.success)

        case .warning:
            let generator = UINotificationFeedbackGenerator()
            generator.notificationOccurred(.warning)

        case .light:
            let generator = UIImpactFeedbackGenerator(style: .light)
            generator.impactOccurred()

        case .medium:
            let generator = UIImpactFeedbackGenerator(style: .medium)
            generator.impactOccurred()

        case .heavy:
            let generator = UIImpactFeedbackGenerator(style: .heavy)
            generator.impactOccurred()

        case .selection:
            let generator = UISelectionFeedbackGenerator()
            generator.selectionChanged()

        case .oldSchool:
            AudioServicesPlaySystemSound(SystemSoundID(kSystemSoundID_Vibrate))
        }
    }
}