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//
// NCAskAuthorization.swift
// Nextcloud
//
// Created by Marino Faggiana on 27/01/21.
// Copyright © 2021 Marino Faggiana. All rights reserved.
//
// Author Marino Faggiana <marino.faggiana@nextcloud.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
import UIKit
class NCAskAuthorization: NSObject {
@objc static let shared: NCAskAuthorization = {
let instance = NCAskAuthorization()
return instance
}()
private(set) var isRequesting = false
func askAuthorizationAudioRecord(viewController: UIViewController?, completion: @escaping (_ hasPermission: Bool) -> Void) {
switch AVAudioSession.sharedInstance().recordPermission {
case AVAudioSession.RecordPermission.granted:
completion(true)
break
case AVAudioSession.RecordPermission.denied:
let alert = UIAlertController(title: NSLocalizedString("_error_", comment: ""), message: NSLocalizedString("_err_permission_microphone_", comment: ""), preferredStyle: .alert)
alert.addAction(UIAlertAction(title: NSLocalizedString("_open_settings_", comment: ""), style: .default, handler: { _ in
#if !EXTENSION
UIApplication.shared.open(URL(string: UIApplication.openSettingsURLString)!)
#endif
completion(false)
}))
alert.addAction(UIAlertAction(title: NSLocalizedString("_cancel_", comment: ""), style: .cancel, handler: { _ in
completion(false)
}))
DispatchQueue.main.async {
viewController?.present(alert, animated: true, completion: nil)
}
break
case AVAudioSession.RecordPermission.undetermined:
AVAudioSession.sharedInstance().requestRecordPermission { allowed in
DispatchQueue.main.async {
if allowed {
completion(true)
} else {
completion(false)
}
}
}
break
default:
completion(false)
break
}
}
@objc func askAuthorizationPhotoLibrary(viewController: UIViewController?, completion: @escaping (_ hasPermission: Bool) -> Void) {
switch PHPhotoLibrary.authorizationStatus() {
case PHAuthorizationStatus.authorized:
completion(true)
break
case PHAuthorizationStatus.denied, PHAuthorizationStatus.limited, PHAuthorizationStatus.restricted:
let alert = UIAlertController(title: NSLocalizedString("_error_", comment: ""), message: NSLocalizedString("_err_permission_photolibrary_", comment: ""), preferredStyle: .alert)
alert.addAction(UIAlertAction(title: NSLocalizedString("_open_settings_", comment: ""), style: .default, handler: { _ in
#if !EXTENSION
UIApplication.shared.open(URL(string: UIApplication.openSettingsURLString)!)
#endif
completion(false)
}))
alert.addAction(UIAlertAction(title: NSLocalizedString("_cancel_", comment: ""), style: .cancel, handler: { _ in
completion(false)
}))
DispatchQueue.main.async {
viewController?.present(alert, animated: true, completion: nil)
}
break
case PHAuthorizationStatus.notDetermined:
isRequesting = true
PHPhotoLibrary.requestAuthorization { allowed in
self.isRequesting = false
#if !EXTENSION
DispatchQueue.main.async { (UIApplication.shared.delegate as? AppDelegate)?.hidePrivacyProtectionWindow() }
#endif
DispatchQueue.main.async {
if allowed == PHAuthorizationStatus.authorized {
completion(true)
} else {
completion(false)
}
}
}
break
default:
completion(false)
break
}
}
#if !EXTENSION
func checkBackgroundRefreshStatus() {
switch UIApplication.shared.backgroundRefreshStatus {
case .available:
print("Background fetch is enabled")
case .denied:
print("Background fetch is explicitly disabled")
// Redirect user to Settings page only once; Respect user's choice is important
UIApplication.shared.open(URL(string: UIApplication.openSettingsURLString)!)
case .restricted:
// Should not redirect user to Settings since he / she cannot toggle the settings
print("Background fetch is restricted, e.g. under parental control")
default:
print("Unknown property")
}
}
#endif
}
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