世界
e2c378d42b
- Refactor QR scanner into separate Scanner module for iOS and macOS - Add camera selection menu for devices with multiple cameras - Use Vision framework for QR detection on macOS - Remove tvOS QR scanner support (continuity camera) - Add camera entitlement and usage description for macOS - Fix minor issues in Intents and ExtensionProvider
128 lines
4.9 KiB
Swift
128 lines
4.9 KiB
Swift
#if !os(tvOS)
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import AVFoundation
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import Library
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import SwiftUI
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@MainActor
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public struct QRScannerView: View {
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@Environment(\.dismiss) private var dismiss
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@State private var alert: AlertState?
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@StateObject private var controller = QRScannerController()
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private let onScan: (QRScanResult) -> Void
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public init(onScan: @escaping (QRScanResult) -> Void) {
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self.onScan = onScan
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}
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public var body: some View {
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#if os(iOS)
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iOSBody
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#elseif os(macOS)
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macOSBody
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#endif
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}
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#if os(iOS)
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private var iOSBody: some View {
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NavigationStackCompat {
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QRScannerControllerView(controller: controller)
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.ignoresSafeArea()
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.navigationTitle("Scan QR Code")
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.navigationBarTitleDisplayMode(.inline)
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.toolbar {
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ToolbarItem(placement: .cancellationAction) {
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Button("Cancel") { dismiss() }
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}
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ToolbarItem(placement: .primaryAction) {
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Menu {
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if controller.availableCameras.count > 1 {
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Menu("Camera") {
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ForEach(controller.availableCameras, id: \.uniqueID) { camera in
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Button {
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controller.selectCamera(camera)
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} label: {
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if camera.uniqueID == controller.selectedCamera?.uniqueID {
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Label(camera.localizedName, systemImage: "checkmark")
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} else {
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Text(camera.localizedName)
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}
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}
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}
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}
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}
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} label: {
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Image(systemName: "ellipsis.circle")
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}
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}
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}
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}
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.alert($alert)
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.onAppear {
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controller.onScan = handleScanResult
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}
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}
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#endif
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#if os(macOS)
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private var macOSBody: some View {
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VStack(spacing: 0) {
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QRScannerControllerView(controller: controller)
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.frame(minWidth: 400, minHeight: 300)
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Divider()
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HStack {
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if controller.availableCameras.count > 1 {
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Picker("Camera", selection: Binding(
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get: { controller.selectedCamera },
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set: { camera in
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if let camera {
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controller.selectCamera(camera)
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}
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}
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)) {
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ForEach(controller.availableCameras, id: \.uniqueID) { camera in
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Text(camera.localizedName).tag(camera as AVCaptureDevice?)
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}
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}
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.frame(maxWidth: 250)
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}
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Spacer()
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Button("Cancel") { dismiss() }
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.keyboardShortcut(.cancelAction)
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}
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.padding()
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}
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.alert($alert)
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.onAppear {
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controller.onScan = handleScanResult
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}
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}
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#endif
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private func handleScanResult(_ result: Result<QRScanResult, QRScanError>) {
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switch result {
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case let .success(scanResult):
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dismiss()
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onScan(scanResult)
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case let .failure(error):
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switch error {
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case .permissionDenied:
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alert = AlertState(
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title: String(localized: "Camera Access Denied"),
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message: String(localized: "Please enable camera access in Settings to scan QR codes.")
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)
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default:
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alert = AlertState(
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title: String(localized: "Scanner Error"),
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message: error.localizedDescription
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)
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}
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}
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}
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}
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#endif
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