125 lines
3.7 KiB
Swift
125 lines
3.7 KiB
Swift
import ExpoModulesCore
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import AVFoundation
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let cameraKey = "NSCameraUsageDescription"
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let microphoneKey = "NSMicrophoneUsageDescription"
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protocol BaseCameraRequester {
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var mediaType: AVMediaType { get }
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func permissionWith(status systemStatus: AVAuthorizationStatus) -> [AnyHashable: Any]
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func permissions(for key: String, service: String) -> [AnyHashable: Any]
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func requestAccess(handler: @escaping (Bool) -> Void)
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}
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extension BaseCameraRequester {
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func permissions(for key: String, service: String) -> [AnyHashable: Any] {
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var systemStatus: AVAuthorizationStatus
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let description = Bundle.main.infoDictionary?[key] as? String
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if description != nil {
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systemStatus = AVCaptureDevice.authorizationStatus(for: mediaType)
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} else {
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EXFatal(EXErrorWithMessage("""
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This app is missing \(key),
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so \(service) services will fail. Add this entry to your bundle's Info.plist.
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"""))
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systemStatus = .denied
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}
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return permissionWith(status: systemStatus)
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}
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func permissionWith(status systemStatus: AVAuthorizationStatus) -> [AnyHashable: Any] {
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var status: EXPermissionStatus
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switch systemStatus {
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case .authorized:
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status = EXPermissionStatusGranted
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case .denied, .restricted:
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status = EXPermissionStatusDenied
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case .notDetermined:
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fallthrough
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@unknown default:
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status = EXPermissionStatusUndetermined
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}
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return [
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"status": status.rawValue
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]
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}
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func requestAccess(handler: @escaping (Bool) -> Void) {
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AVCaptureDevice.requestAccess(for: mediaType, completionHandler: handler)
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}
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}
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class CameraOnlyPermissionRequester: NSObject, EXPermissionsRequester, BaseCameraRequester {
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let mediaType: AVMediaType = .video
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static func permissionType() -> String {
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"camera"
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}
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func getPermissions() -> [AnyHashable: Any] {
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return permissions(for: cameraKey, service: "video")
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}
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func requestPermissions(resolver resolve: @escaping EXPromiseResolveBlock, rejecter reject: EXPromiseRejectBlock) {
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requestAccess { [weak self] _ in
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resolve(self?.getPermissions())
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}
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}
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}
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class CameraPermissionRequester: NSObject, EXPermissionsRequester, BaseCameraRequester {
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let mediaType: AVMediaType = .video
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static func permissionType() -> String {
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"camera"
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}
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func getPermissions() -> [AnyHashable: Any] {
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var systemStatus: AVAuthorizationStatus
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let cameraUsuageDescription = Bundle.main.infoDictionary?[cameraKey] as? String
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let microphoneUsuageDescription = Bundle.main.infoDictionary?[microphoneKey] as? String
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if let cameraUsuageDescription, let microphoneUsuageDescription {
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systemStatus = AVCaptureDevice.authorizationStatus(for: mediaType)
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} else {
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EXFatal(EXErrorWithMessage("""
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This app is missing either NSCameraUsageDescription or NSMicrophoneUsageDescription,
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so audio/video services will fail. Add one of these entries to
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your bundle's Info.plist
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"""))
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systemStatus = .denied
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}
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return permissionWith(status: systemStatus)
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}
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func requestPermissions(resolver resolve: @escaping EXPromiseResolveBlock, rejecter reject: EXPromiseRejectBlock) {
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requestAccess { [weak self] _ in
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resolve(self?.getPermissions())
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}
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}
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}
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class CameraMicrophonePermissionRequester: NSObject, EXPermissionsRequester, BaseCameraRequester {
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let mediaType: AVMediaType = .audio
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static func permissionType() -> String {
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"microphone"
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}
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func getPermissions() -> [AnyHashable: Any] {
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return permissions(for: microphoneKey, service: "audio")
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}
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func requestPermissions(resolver resolve: @escaping EXPromiseResolveBlock, rejecter reject: EXPromiseRejectBlock) {
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requestAccess { [weak self] _ in
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resolve(self?.getPermissions())
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}
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}
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}
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