Add save file option for profile sharing
Add "Save File" and "Save Content JSON" options to profile share menu, allowing users to save profiles directly to a chosen location using fileExporter instead of the system share sheet.
This commit is contained in:
世界
@@ -0,0 +1,249 @@
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#if os(iOS)
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import AVFoundation
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import SwiftUI
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import UIKit
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@MainActor
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final class QRSScannerController: NSObject, ObservableObject {
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private var captureSession: AVCaptureSession?
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private var previewLayer: AVCaptureVideoPreviewLayer?
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private var metadataOutput: AVCaptureMetadataOutput?
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@Published var decoder = LubyTransformDecoder()
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@Published var lastError: String?
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@Published var isComplete = false
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@Published var progress: Double = 0
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@Published var framesScanned = 0
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@Published var availableCameras: [AVCaptureDevice] = []
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@Published var selectedCamera: AVCaptureDevice?
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private var seenBlockHashes = Set<Data>()
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let previewView = UIView()
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var onComplete: ((Data) -> Void)?
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override init() {
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super.init()
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previewView.backgroundColor = .black
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refreshCameraList()
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}
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func refreshCameraList() {
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var deviceTypes: [AVCaptureDevice.DeviceType] = [
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.builtInWideAngleCamera,
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.builtInUltraWideCamera,
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.builtInTelephotoCamera,
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]
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if #available(iOS 17.0, *) {
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deviceTypes.append(.external)
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}
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let discoverySession = AVCaptureDevice.DiscoverySession(
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deviceTypes: deviceTypes,
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mediaType: .video,
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position: .unspecified
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)
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availableCameras = discoverySession.devices
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if selectedCamera == nil {
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selectedCamera = availableCameras.first
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}
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}
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func selectCamera(_ camera: AVCaptureDevice) {
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guard camera.uniqueID != selectedCamera?.uniqueID else { return }
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selectedCamera = camera
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if captureSession != nil {
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stopScanning()
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captureSession = nil
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previewLayer?.removeFromSuperlayer()
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previewLayer = nil
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startScanning()
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}
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}
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func reset() {
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decoder = LubyTransformDecoder()
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seenBlockHashes.removeAll()
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lastError = nil
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isComplete = false
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progress = 0
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framesScanned = 0
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}
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func startScanning() {
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guard captureSession == nil else {
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if captureSession?.isRunning == false {
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DispatchQueue.global(qos: .userInteractive).async { [weak self] in
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self?.captureSession?.startRunning()
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}
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}
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return
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}
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switch AVCaptureDevice.authorizationStatus(for: .video) {
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case .authorized:
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setupCaptureSession()
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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?.setupCaptureSession()
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}
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}
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}
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default:
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break
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}
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}
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func stopScanning() {
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DispatchQueue.global(qos: .userInteractive).async { [weak self] in
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self?.captureSession?.stopRunning()
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}
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}
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private func setupCaptureSession() {
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let session = AVCaptureSession()
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guard let videoCaptureDevice = selectedCamera ?? AVCaptureDevice.default(for: .video) else {
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return
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}
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let videoInput: AVCaptureDeviceInput
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do {
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videoInput = try AVCaptureDeviceInput(device: videoCaptureDevice)
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} catch {
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return
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}
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guard session.canAddInput(videoInput) else { return }
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session.addInput(videoInput)
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let metadataOutput = AVCaptureMetadataOutput()
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guard session.canAddOutput(metadataOutput) else { return }
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session.addOutput(metadataOutput)
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metadataOutput.setMetadataObjectsDelegate(self, queue: .main)
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metadataOutput.metadataObjectTypes = [.qr]
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self.metadataOutput = metadataOutput
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captureSession = session
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let previewLayer = AVCaptureVideoPreviewLayer(session: session)
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previewLayer.videoGravity = .resizeAspectFill
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previewLayer.frame = previewView.bounds
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previewView.layer.addSublayer(previewLayer)
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self.previewLayer = previewLayer
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DispatchQueue.global(qos: .userInteractive).async { [weak self] in
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self?.captureSession?.startRunning()
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}
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}
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func updatePreviewFrame(_ frame: CGRect) {
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previewLayer?.frame = frame
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}
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private func processQRContent(_ content: String) {
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guard !isComplete else { return }
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guard let block = EncodedBlock.fromBase64(content) else {
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return
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}
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let hash = block.toBinary()
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guard !seenBlockHashes.contains(hash) else { return }
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seenBlockHashes.insert(hash)
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framesScanned += 1
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do {
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let complete = try decoder.addBlock(block)
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progress = decoder.progress
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if complete {
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isComplete = true
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stopScanning()
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AudioServicesPlaySystemSound(SystemSoundID(kSystemSoundID_Vibrate))
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if let data = try? decoder.getDecoded() {
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onComplete?(data)
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}
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}
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} catch {
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lastError = error.localizedDescription
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}
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}
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}
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extension QRSScannerController: AVCaptureMetadataOutputObjectsDelegate {
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nonisolated func metadataOutput(
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_ output: AVCaptureMetadataOutput,
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didOutput metadataObjects: [AVMetadataObject],
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from connection: AVCaptureConnection
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) {
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Task { @MainActor in
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for metadataObject in metadataObjects {
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guard let readable = metadataObject as? AVMetadataMachineReadableCodeObject,
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let content = readable.stringValue
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else { continue }
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processQRContent(content)
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}
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}
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}
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}
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struct QRSScannerControllerView: UIViewControllerRepresentable {
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let controller: QRSScannerController
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func makeUIViewController(context: Context) -> UIViewController {
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let viewController = QRSScannerViewController(controller: controller)
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return viewController
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}
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func updateUIViewController(_ uiViewController: UIViewController, context: Context) {}
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}
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private class QRSScannerViewController: UIViewController {
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let controller: QRSScannerController
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init(controller: QRSScannerController) {
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self.controller = controller
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super.init(nibName: nil, bundle: nil)
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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view.backgroundColor = .black
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view.addSubview(controller.previewView)
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controller.previewView.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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controller.previewView.topAnchor.constraint(equalTo: view.topAnchor),
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controller.previewView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
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controller.previewView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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controller.previewView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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])
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}
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override func viewDidLayoutSubviews() {
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super.viewDidLayoutSubviews()
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controller.updatePreviewFrame(view.bounds)
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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controller.startScanning()
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}
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override func viewWillDisappear(_ animated: Bool) {
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super.viewWillDisappear(animated)
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controller.stopScanning()
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}
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}
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#endif
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@@ -0,0 +1,261 @@
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#if os(macOS)
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import AppKit
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import AVFoundation
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import SwiftUI
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import Vision
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@MainActor
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final class QRSScannerController: NSObject, ObservableObject {
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private var captureSession: AVCaptureSession?
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private var previewLayer: AVCaptureVideoPreviewLayer?
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private var videoOutput: AVCaptureVideoDataOutput?
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@Published var decoder = LubyTransformDecoder()
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@Published var lastError: String?
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@Published var isComplete = false
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@Published var progress: Double = 0
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@Published var framesScanned = 0
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@Published var availableCameras: [AVCaptureDevice] = []
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@Published var selectedCamera: AVCaptureDevice?
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private var seenBlockHashes = Set<Data>()
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let previewView = NSView()
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var onComplete: ((Data) -> Void)?
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override init() {
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super.init()
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previewView.wantsLayer = true
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previewView.layer?.backgroundColor = NSColor.black.cgColor
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refreshCameraList()
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}
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func refreshCameraList() {
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let discoverySession = AVCaptureDevice.DiscoverySession(
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deviceTypes: [.builtInWideAngleCamera, .externalUnknown],
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mediaType: .video,
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position: .unspecified
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)
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availableCameras = discoverySession.devices
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if selectedCamera == nil {
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selectedCamera = availableCameras.first
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}
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}
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func selectCamera(_ camera: AVCaptureDevice) {
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guard camera.uniqueID != selectedCamera?.uniqueID else { return }
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selectedCamera = camera
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if captureSession != nil {
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stopScanning()
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captureSession = nil
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previewLayer?.removeFromSuperlayer()
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previewLayer = nil
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startScanning()
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}
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}
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func reset() {
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decoder = LubyTransformDecoder()
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seenBlockHashes.removeAll()
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lastError = nil
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isComplete = false
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progress = 0
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framesScanned = 0
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}
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func startScanning() {
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guard captureSession == nil else {
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if captureSession?.isRunning == false {
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DispatchQueue.global(qos: .userInteractive).async { [weak self] in
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self?.captureSession?.startRunning()
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}
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}
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return
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}
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switch AVCaptureDevice.authorizationStatus(for: .video) {
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case .authorized:
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setupCaptureSession()
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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?.setupCaptureSession()
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}
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}
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}
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default:
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break
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}
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}
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func stopScanning() {
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DispatchQueue.global(qos: .userInteractive).async { [weak self] in
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self?.captureSession?.stopRunning()
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}
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}
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private func setupCaptureSession() {
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let session = AVCaptureSession()
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guard let videoCaptureDevice = selectedCamera ?? AVCaptureDevice.default(for: .video) else {
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return
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}
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let videoInput: AVCaptureDeviceInput
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do {
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videoInput = try AVCaptureDeviceInput(device: videoCaptureDevice)
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} catch {
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return
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}
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guard session.canAddInput(videoInput) else { return }
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session.addInput(videoInput)
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let videoOutput = AVCaptureVideoDataOutput()
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videoOutput.videoSettings = [
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kCVPixelBufferPixelFormatTypeKey as String: kCVPixelFormatType_32BGRA,
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]
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videoOutput.setSampleBufferDelegate(self, queue: DispatchQueue(label: "QRSScannerQueue"))
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guard session.canAddOutput(videoOutput) else { return }
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session.addOutput(videoOutput)
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self.videoOutput = videoOutput
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captureSession = session
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let previewLayer = AVCaptureVideoPreviewLayer(session: session)
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previewLayer.videoGravity = .resizeAspectFill
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previewLayer.frame = previewView.bounds
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previewView.layer?.addSublayer(previewLayer)
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self.previewLayer = previewLayer
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DispatchQueue.global(qos: .userInteractive).async { [weak self] in
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self?.captureSession?.startRunning()
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}
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}
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func updatePreviewFrame(_ frame: CGRect) {
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previewLayer?.frame = frame
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}
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private func processQRContent(_ content: String) {
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guard !isComplete else { return }
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guard let block = EncodedBlock.fromBase64(content) else {
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return
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}
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let hash = block.toBinary()
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guard !seenBlockHashes.contains(hash) else { return }
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seenBlockHashes.insert(hash)
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DispatchQueue.main.async { [weak self] in
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guard let self else { return }
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framesScanned += 1
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do {
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let complete = try decoder.addBlock(block)
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progress = decoder.progress
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if complete {
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isComplete = true
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stopScanning()
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NSSound.beep()
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if let data = try? decoder.getDecoded() {
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onComplete?(data)
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}
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}
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} catch {
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lastError = error.localizedDescription
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}
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}
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}
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}
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extension QRSScannerController: AVCaptureVideoDataOutputSampleBufferDelegate {
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nonisolated func captureOutput(
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_ output: AVCaptureOutput,
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didOutput sampleBuffer: CMSampleBuffer,
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from connection: AVCaptureConnection
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) {
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guard let pixelBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) else { return }
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let request = VNDetectBarcodesRequest { [weak self] request, _ in
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guard let results = request.results as? [VNBarcodeObservation] else { return }
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for result in results {
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if result.symbology == .qr, let payload = result.payloadStringValue {
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self?.processQRContent(payload)
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}
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}
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}
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request.symbologies = [.qr]
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let handler = VNImageRequestHandler(cvPixelBuffer: pixelBuffer, options: [:])
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try? handler.perform([request])
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}
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}
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struct QRSScannerControllerView: NSViewControllerRepresentable {
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let controller: QRSScannerController
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func makeNSViewController(context: Context) -> NSViewController {
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let viewController = QRSScannerViewController(controller: controller)
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return viewController
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}
|
||||
|
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func updateNSViewController(_ nsViewController: NSViewController, context: Context) {}
|
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}
|
||||
|
||||
private class QRSScannerViewController: NSViewController {
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||||
let controller: QRSScannerController
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|
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init(controller: QRSScannerController) {
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self.controller = controller
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super.init(nibName: nil, bundle: nil)
|
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}
|
||||
|
||||
@available(*, unavailable)
|
||||
required init?(coder: NSCoder) {
|
||||
fatalError("init(coder:) has not been implemented")
|
||||
}
|
||||
|
||||
override func loadView() {
|
||||
view = NSView()
|
||||
view.wantsLayer = true
|
||||
view.layer?.backgroundColor = NSColor.black.cgColor
|
||||
}
|
||||
|
||||
override func viewDidLoad() {
|
||||
super.viewDidLoad()
|
||||
view.addSubview(controller.previewView)
|
||||
controller.previewView.translatesAutoresizingMaskIntoConstraints = false
|
||||
NSLayoutConstraint.activate([
|
||||
controller.previewView.topAnchor.constraint(equalTo: view.topAnchor),
|
||||
controller.previewView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
|
||||
controller.previewView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
|
||||
controller.previewView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
|
||||
])
|
||||
}
|
||||
|
||||
override func viewDidLayout() {
|
||||
super.viewDidLayout()
|
||||
controller.updatePreviewFrame(view.bounds)
|
||||
}
|
||||
|
||||
override func viewWillAppear() {
|
||||
super.viewWillAppear()
|
||||
controller.startScanning()
|
||||
}
|
||||
|
||||
override func viewWillDisappear() {
|
||||
super.viewWillDisappear()
|
||||
controller.stopScanning()
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,169 @@
|
||||
#if !os(tvOS)
|
||||
|
||||
import AVFoundation
|
||||
import Library
|
||||
import SwiftUI
|
||||
|
||||
@MainActor
|
||||
public struct QRSScannerView: View {
|
||||
@Environment(\.dismiss) private var dismiss
|
||||
@State private var alert: AlertState?
|
||||
@StateObject private var controller = QRSScannerController()
|
||||
|
||||
private let onComplete: (Data) -> Void
|
||||
|
||||
public init(onComplete: @escaping (Data) -> Void) {
|
||||
self.onComplete = onComplete
|
||||
}
|
||||
|
||||
public var body: some View {
|
||||
#if os(iOS)
|
||||
iOSBody
|
||||
#elseif os(macOS)
|
||||
macOSBody
|
||||
#endif
|
||||
}
|
||||
|
||||
#if os(iOS)
|
||||
private var iOSBody: some View {
|
||||
NavigationStackCompat {
|
||||
ZStack {
|
||||
QRSScannerControllerView(controller: controller)
|
||||
.ignoresSafeArea()
|
||||
|
||||
VStack {
|
||||
Spacer()
|
||||
progressOverlay
|
||||
.padding()
|
||||
}
|
||||
}
|
||||
.navigationTitle("Scan QRS")
|
||||
.navigationBarTitleDisplayMode(.inline)
|
||||
.toolbar {
|
||||
ToolbarItem(placement: .cancellationAction) {
|
||||
Button("Cancel") { dismiss() }
|
||||
}
|
||||
ToolbarItem(placement: .primaryAction) {
|
||||
Menu {
|
||||
Button {
|
||||
controller.reset()
|
||||
controller.startScanning()
|
||||
} label: {
|
||||
Label("Reset", systemImage: "arrow.counterclockwise")
|
||||
}
|
||||
|
||||
if controller.availableCameras.count > 1 {
|
||||
Menu("Camera") {
|
||||
ForEach(controller.availableCameras, id: \.uniqueID) { camera in
|
||||
Button {
|
||||
controller.selectCamera(camera)
|
||||
} label: {
|
||||
if camera.uniqueID == controller.selectedCamera?.uniqueID {
|
||||
Label(camera.localizedName, systemImage: "checkmark")
|
||||
} else {
|
||||
Text(camera.localizedName)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
} label: {
|
||||
Image(systemName: "ellipsis.circle")
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
.alert($alert)
|
||||
.onAppear {
|
||||
controller.onComplete = { data in
|
||||
dismiss()
|
||||
onComplete(data)
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#if os(macOS)
|
||||
private var macOSBody: some View {
|
||||
VStack(spacing: 0) {
|
||||
ZStack {
|
||||
QRSScannerControllerView(controller: controller)
|
||||
.frame(minWidth: 400, minHeight: 300)
|
||||
|
||||
VStack {
|
||||
Spacer()
|
||||
progressOverlay
|
||||
.padding()
|
||||
}
|
||||
}
|
||||
|
||||
Divider()
|
||||
|
||||
HStack {
|
||||
if controller.availableCameras.count > 1 {
|
||||
Picker("Camera", selection: Binding(
|
||||
get: { controller.selectedCamera },
|
||||
set: { camera in
|
||||
if let camera {
|
||||
controller.selectCamera(camera)
|
||||
}
|
||||
}
|
||||
)) {
|
||||
ForEach(controller.availableCameras, id: \.uniqueID) { camera in
|
||||
Text(camera.localizedName).tag(camera as AVCaptureDevice?)
|
||||
}
|
||||
}
|
||||
.frame(maxWidth: 200)
|
||||
}
|
||||
|
||||
Button("Reset") {
|
||||
controller.reset()
|
||||
controller.startScanning()
|
||||
}
|
||||
|
||||
Spacer()
|
||||
|
||||
Button("Cancel") { dismiss() }
|
||||
.keyboardShortcut(.cancelAction)
|
||||
}
|
||||
.padding()
|
||||
}
|
||||
.alert($alert)
|
||||
.onAppear {
|
||||
controller.onComplete = { data in
|
||||
dismiss()
|
||||
onComplete(data)
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
private var progressOverlay: some View {
|
||||
VStack(spacing: 8) {
|
||||
ProgressView(value: controller.progress)
|
||||
.progressViewStyle(.linear)
|
||||
.frame(maxWidth: 200)
|
||||
|
||||
Text("Decoded: \(Int(controller.progress * 100))%")
|
||||
.font(.headline)
|
||||
|
||||
if controller.decoder.k > 0 {
|
||||
Text("\(controller.decoder.decodedCount)/\(controller.decoder.k) blocks")
|
||||
.font(.caption)
|
||||
}
|
||||
|
||||
Text("Frames scanned: \(controller.framesScanned)")
|
||||
.font(.caption)
|
||||
|
||||
if let error = controller.lastError {
|
||||
Text(error)
|
||||
.font(.caption)
|
||||
.foregroundStyle(.red)
|
||||
}
|
||||
}
|
||||
.padding()
|
||||
.background(.ultraThinMaterial, in: RoundedRectangle(cornerRadius: 12))
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user