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//
// RequestPermissionsViewController.swift
// XRViewer
//
// Created by Roberto Garrido on 27/3/18.
// Copyright © 2018 Mozilla. All rights reserved.
//
import UIKit
import FontAwesomeKit
import CoreLocation
import AVFoundation
import Photos
/// A view controller that requests the requiered permissions to properly use the app
class RequestPermissionsViewController: UIViewController {
@IBOutlet weak var buttonGPS: UIButton!
@IBOutlet weak var buttonCamera: UIButton!
let size: CGFloat = 24.0
var locationManager: CLLocationManager!
override func viewDidLoad() {
super.viewDidLoad()
style(button: buttonGPS, withImage: FAKFontAwesome.locationArrowIcon(withSize: size).image(with: CGSize(width: size, height: size)))
style(button: buttonCamera, withImage: FAKFontAwesome.cameraIcon(withSize: size).image(with: CGSize(width: size, height: size)))
if CLLocationManager.authorizationStatus() == .authorizedWhenInUse {
buttonGPS.isEnabled = false
}
if AVCaptureDevice.authorizationStatus(for: .video) == .authorized {
buttonCamera.isEnabled = false
}
}
fileprivate func style(button: UIButton, withImage image: UIImage) {
button.layer.cornerRadius = button.frame.height/2.0
button.layer.borderColor = self.view.tintColor.cgColor
button.layer.borderWidth = 2.0
button.setImage(image, for: .normal)
}
@IBAction func buttonGPSAccessTapped() {
locationManager = CLLocationManager()
locationManager.delegate = self
if CLLocationManager.authorizationStatus() == .notDetermined {
locationManager?.requestWhenInUseAuthorization()
}
}
@IBAction func buttonCameraAccessTapped() {
if AVCaptureDevice.authorizationStatus(for: .video) == .notDetermined {
AVCaptureDevice.requestAccess(for: .video) { granted in
DispatchQueue.main.async {
self.buttonCamera.isEnabled = false
self.handlePopupDismiss()
}
}
}
}
func handlePopupDismiss() {
if !buttonCamera.isEnabled && !buttonGPS.isEnabled {
self.presentingViewController?.dismiss(animated: true, completion: nil)
}
}
}
extension RequestPermissionsViewController: CLLocationManagerDelegate {
func locationManager(_ manager: CLLocationManager, didChangeAuthorization status: CLAuthorizationStatus) {
DispatchQueue.main.async {
self.buttonGPS.isEnabled = false
self.handlePopupDismiss()
}
}
}