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61 lines
1.8 KiB
Swift
61 lines
1.8 KiB
Swift
/*
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Copyright 2020 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import Foundation
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/// CameraAccessManager handles camera availability and authorization.
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final class CameraAccessManager {
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// MARK: - Properties
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var isCameraAvailable: Bool {
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return UIImagePickerController.isSourceTypeAvailable(.camera)
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}
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var isCameraAccessGranted: Bool {
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return AVCaptureDevice.authorizationStatus(for: .video) == .authorized
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}
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// MARK: - Public
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func askAndRequestCameraAccessIfNeeded(completion: @escaping (_ granted: Bool) -> Void) {
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let authorizationStatus = AVCaptureDevice.authorizationStatus(for: .video)
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switch authorizationStatus {
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case .authorized:
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completion(true)
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case .notDetermined:
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self.requestCameraAccess(completion: { (granted) in
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completion(granted)
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})
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case .denied, .restricted:
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completion(false)
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@unknown default:
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break
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}
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}
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// MARK: - Private
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private func requestCameraAccess(completion: @escaping (_ granted: Bool) -> Void) {
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AVCaptureDevice.requestAccess(for: .video) { granted in
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DispatchQueue.main.async {
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completion(granted)
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}
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}
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}
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}
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