76 lines
2.2 KiB
Swift
76 lines
2.2 KiB
Swift
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import AVFoundation
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import AppKit
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class CameraManager: NSObject, ObservableObject {
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static let shared = CameraManager()
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@Published var isCameraRunning = false
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@Published var cameraError: String?
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private let captureSession = AVCaptureSession()
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private let sessionQueue = DispatchQueue(label: "network.montana.presence.camera")
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private override init() {
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super.init()
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}
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func startCamera() {
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guard !isCameraRunning else { return }
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switch AVCaptureDevice.authorizationStatus(for: .video) {
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case .authorized:
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setupAndStart()
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case .notDetermined:
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AVCaptureDevice.requestAccess(for: .video) { [weak self] granted in
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DispatchQueue.main.async {
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if granted {
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self?.setupAndStart()
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} else {
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self?.cameraError = "Camera access denied"
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}
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}
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}
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default:
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cameraError = "Camera access denied. Enable in System Settings > Privacy > Camera."
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}
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}
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func stopCamera() {
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sessionQueue.async { [weak self] in
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self?.captureSession.stopRunning()
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}
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DispatchQueue.main.async {
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self.isCameraRunning = false
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}
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}
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private func setupAndStart() {
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sessionQueue.async { [weak self] in
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guard let self else { return }
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self.captureSession.beginConfiguration()
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self.captureSession.sessionPreset = .low
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guard let camera = AVCaptureDevice.default(.builtInWideAngleCamera, for: .video, position: .unspecified),
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let input = try? AVCaptureDeviceInput(device: camera) else {
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DispatchQueue.main.async {
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self.cameraError = "No camera available"
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}
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return
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}
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if self.captureSession.canAddInput(input) {
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self.captureSession.addInput(input)
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}
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self.captureSession.commitConfiguration()
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self.captureSession.startRunning()
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DispatchQueue.main.async {
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self.isCameraRunning = true
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self.cameraError = nil
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}
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}
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}
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}
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