mirror of https://github.com/oxen-io/session-ios
handle permission request for voice and video calls
Ryan Zhao
3 years ago
parent
32790a9d99
commit
d3a2b456f1
@ -0,0 +1,90 @@
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import Photos
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import PhotosUI
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public func requestCameraPermissionIfNeeded() -> Bool {
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switch AVCaptureDevice.authorizationStatus(for: .video) {
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case .authorized: return true
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case .denied, .restricted:
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let modal = PermissionMissingModal(permission: "camera") { }
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modal.modalPresentationStyle = .overFullScreen
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modal.modalTransitionStyle = .crossDissolve
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guard let presentingVC = CurrentAppContext().frontmostViewController() else { preconditionFailure() }
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presentingVC.present(modal, animated: true, completion: nil)
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return false
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case .notDetermined:
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AVCaptureDevice.requestAccess(for: .video, completionHandler: { _ in })
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return false
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default: return false
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}
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}
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public func requestMicrophonePermissionIfNeeded(onNotGranted: @escaping () -> Void) {
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switch AVAudioSession.sharedInstance().recordPermission {
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case .granted: break
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case .denied:
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onNotGranted()
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let modal = PermissionMissingModal(permission: "microphone") {
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onNotGranted()
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}
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modal.modalPresentationStyle = .overFullScreen
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modal.modalTransitionStyle = .crossDissolve
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guard let presentingVC = CurrentAppContext().frontmostViewController() else { preconditionFailure() }
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presentingVC.present(modal, animated: true, completion: nil)
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case .undetermined:
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onNotGranted()
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AVAudioSession.sharedInstance().requestRecordPermission { _ in }
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default: break
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}
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}
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public func requestLibraryPermissionIfNeeded(onAuthorized: @escaping () -> Void) {
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let authorizationStatus: PHAuthorizationStatus
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if #available(iOS 14, *) {
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authorizationStatus = PHPhotoLibrary.authorizationStatus(for: .readWrite)
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if authorizationStatus == .notDetermined {
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// When the user chooses to select photos (which is the .limit status),
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// the PHPhotoUI will present the picker view on the top of the front view.
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// Since we have the ScreenLockUI showing when we request premissions,
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// the picker view will be presented on the top of the ScreenLockUI.
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// However, the ScreenLockUI will dismiss with the permission request alert view, so
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// the picker view then will dismiss, too. The selection process cannot be finished
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// this way. So we add a flag (isRequestingPermission) to prevent the ScreenLockUI
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// from showing when we request the photo library permission.
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Environment.shared.isRequestingPermission = true
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let appMode = AppModeManager.shared.currentAppMode
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// FIXME: Rather than setting the app mode to light and then to dark again once we're done,
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// it'd be better to just customize the appearance of the image picker. There doesn't currently
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// appear to be a good way to do so though...
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AppModeManager.shared.setCurrentAppMode(to: .light)
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PHPhotoLibrary.requestAuthorization(for: .readWrite) { status in
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DispatchQueue.main.async {
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AppModeManager.shared.setCurrentAppMode(to: appMode)
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}
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Environment.shared.isRequestingPermission = false
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if [ PHAuthorizationStatus.authorized, PHAuthorizationStatus.limited ].contains(status) {
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onAuthorized()
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}
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}
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}
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} else {
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authorizationStatus = PHPhotoLibrary.authorizationStatus()
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if authorizationStatus == .notDetermined {
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PHPhotoLibrary.requestAuthorization { status in
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if status == .authorized {
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onAuthorized()
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}
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}
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}
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}
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switch authorizationStatus {
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case .authorized, .limited:
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onAuthorized()
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case .denied, .restricted:
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let modal = PermissionMissingModal(permission: "library") { }
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modal.modalPresentationStyle = .overFullScreen
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modal.modalTransitionStyle = .crossDissolve
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guard let presentingVC = CurrentAppContext().frontmostViewController() else { preconditionFailure() }
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presentingVC.present(modal, animated: true, completion: nil)
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default: return
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}
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}
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