290 lines
11 KiB
Swift
290 lines
11 KiB
Swift
import AVFoundation
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import MobileCoreServices
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import Photos
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import SwiftUI
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struct SharingMediaPickerView: View {
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@EnvironmentObject var store: AppStore
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@State private var showCameraPicker = false
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@State private var cameraReady = false
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@State private var selectedItems: [String] = []
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var body: some View {
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let columns = Array(repeating: GridItem(.flexible(), spacing: 0), count: 3)
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VStack(spacing: 0) {
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// List of media
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ScrollView(showsIndicators: false) {
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LazyVGrid(columns: columns, spacing: 0) {
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// For camera
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if store.state.sharingState.isCameraAccessGranted {
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if cameraReady {
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ZStack {
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CameraView()
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.aspectRatio(1, contentMode: .fit)
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.frame(maxWidth: .infinity)
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Image(systemName: "camera")
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.resizable()
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.aspectRatio(contentMode: .fit)
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.frame(width: 40, height: 40)
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.foregroundColor(.white)
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.padding(8)
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.background(Color.black.opacity(0.5))
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.clipShape(Circle())
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.padding(8)
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}
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.onTapGesture {
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showCameraPicker = true
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}
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} else {
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ProgressView()
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.frame(maxWidth: .infinity)
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.frame(height: 100)
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.onAppear {
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DispatchQueue.main.asyncAfter(deadline: .now() + 0.01) {
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cameraReady = true
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}
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}
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}
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} else {
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Button {
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openAppSettings()
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} label: {
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ZStack {
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Rectangle()
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.fill(Color.Material.Background.light)
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.overlay {
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VStack {
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Image(systemName: "camera")
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.foregroundColor(.Material.Elements.active)
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.font(.system(size: 30))
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Text("Allow camera access")
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.foregroundColor(.Material.Text.main)
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.font(.body3)
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}
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}
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.frame(height: 100)
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}
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}
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}
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// For gallery
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if store.state.sharingState.isGalleryAccessGranted {
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ForEach(store.state.sharingState.galleryItems) { item in
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GridViewItem(item: item, selected: $selectedItems)
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}
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} else {
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Button {
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openAppSettings()
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} label: {
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ZStack {
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Rectangle()
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.fill(Color.Material.Background.light)
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.overlay {
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VStack {
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Image(systemName: "photo")
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.foregroundColor(.Material.Elements.active)
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.font(.system(size: 30))
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Text("Allow gallery access")
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.foregroundColor(.Material.Text.main)
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.font(.body3)
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}
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}
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.frame(height: 100)
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}
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}
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}
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}
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}
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.fullScreenCover(isPresented: $showCameraPicker) {
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CameraPicker(sourceType: .camera) { data, type in
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store.dispatch(.sharingAction(.cameraCaptured(media: data, type: type)))
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showCameraPicker = false
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store.dispatch(.sharingAction(.showSharing(false)))
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}
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.edgesIgnoringSafeArea(.all)
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}
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// Send panel
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Rectangle()
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.foregroundColor(.Material.Shape.black)
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.frame(maxWidth: .infinity)
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.frame(height: self.selectedItems.isEmpty ? 0 : 50)
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.overlay {
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HStack {
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Text(L10n.Attachment.Send.media)
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.foregroundColor(.Material.Text.white)
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.font(.body1)
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Image(systemName: "arrow.up.circle")
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.foregroundColor(.Material.Text.white)
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.font(.body1)
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.padding(.leading, 8)
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}
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.padding()
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}
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.clipped()
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.onTapGesture {
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store.dispatch(.sharingAction(.shareMedia(ids: selectedItems)))
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store.dispatch(.sharingAction(.showSharing(false)))
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}
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}
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.onAppear {
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store.dispatch(.sharingAction(.checkCameraAccess))
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store.dispatch(.sharingAction(.checkGalleryAccess))
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}
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.onChange(of: store.state.sharingState.isGalleryAccessGranted) { granted in
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if granted {
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store.dispatch(.fileAction(.fetchItemsFromGallery))
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}
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}
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}
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}
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private struct GridViewItem: View {
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let item: SharingGalleryItem
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@Binding var selected: [String]
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@State var isSelected = false
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var body: some View {
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if let data = item.thumbnail {
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ZStack {
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Image(uiImage: UIImage(data: data) ?? UIImage())
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.resizable()
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.aspectRatio(contentMode: .fill)
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.frame(width: Const.galleryGridSize, height: Const.galleryGridSize)
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.clipped()
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if let duration = item.duration {
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VStack {
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Spacer()
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HStack {
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Spacer()
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Text(duration)
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.foregroundColor(.Material.Text.white)
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.font(.sub1)
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.shadow(color: .black, radius: 2)
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.padding(4)
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}
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}
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}
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if isSelected {
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VStack {
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HStack {
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Spacer()
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Circle()
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.frame(width: 30, height: 30)
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.shadow(color: .black, radius: 2)
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.foregroundColor(.Material.Shape.white)
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.overlay {
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Image(systemName: "checkmark")
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.foregroundColor(.Material.Elements.active)
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.font(.body3)
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}
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.padding(4)
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}
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Spacer()
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}
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}
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}
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.onTapGesture {
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isSelected.toggle()
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if isSelected {
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selected.append(item.id)
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} else {
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selected.removeAll { $0 == item.id }
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}
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}
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} else {
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ZStack {
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Rectangle()
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.fill(Color.Material.Background.light)
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.overlay {
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ProgressView()
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.foregroundColor(.Material.Elements.active)
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}
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.frame(width: Const.galleryGridSize, height: Const.galleryGridSize)
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}
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}
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}
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}
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class CameraUIView: UIView {
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var previewLayer: AVCaptureVideoPreviewLayer?
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override func layoutSubviews() {
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super.layoutSubviews()
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previewLayer?.frame = bounds
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}
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}
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struct CameraView: UIViewRepresentable {
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func makeUIView(context _: Context) -> CameraUIView {
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let view = CameraUIView()
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let captureSession = AVCaptureSession()
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guard let captureDevice = AVCaptureDevice.default(for: .video) else { return view }
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guard let input = try? AVCaptureDeviceInput(device: captureDevice) else { return view }
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captureSession.addInput(input)
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let previewLayer = AVCaptureVideoPreviewLayer(session: captureSession)
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previewLayer.videoGravity = .resizeAspectFill
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view.layer.addSublayer(previewLayer)
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view.previewLayer = previewLayer
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captureSession.startRunning()
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return view
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}
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func updateUIView(_ uiView: CameraUIView, context _: Context) {
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uiView.previewLayer?.frame = uiView.bounds
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}
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}
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struct CameraPicker: UIViewControllerRepresentable {
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var sourceType: UIImagePickerController.SourceType
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var completionHandler: (Data, SharingCameraMediaType) -> Void
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func makeUIViewController(context: Context) -> UIImagePickerController {
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let picker = UIImagePickerController()
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picker.sourceType = sourceType
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picker.delegate = context.coordinator
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picker.mediaTypes = [UTType.movie.identifier, UTType.image.identifier]
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picker.videoQuality = .typeHigh
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picker.videoMaximumDuration = Const.videoDurationLimit
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picker.view.backgroundColor = .clear
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return picker
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}
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func updateUIViewController(_: UIImagePickerController, context _: Context) {}
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func makeCoordinator() -> Coordinator {
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Coordinator(self)
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}
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class Coordinator: NSObject, UINavigationControllerDelegate, UIImagePickerControllerDelegate {
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let parent: CameraPicker
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init(_ parent: CameraPicker) {
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self.parent = parent
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}
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func imagePickerController(_: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey: Any]) {
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// swiftlint:disable:next force_cast
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let mediaType = info[.mediaType] as! String
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if mediaType == UTType.image.identifier {
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if let image = info[.originalImage] as? UIImage {
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let data = image.jpegData(compressionQuality: 1.0) ?? Data()
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parent.completionHandler(data, .photo)
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}
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} else if mediaType == UTType.movie.identifier {
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if let url = info[.mediaURL] as? URL {
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let data = try? Data(contentsOf: url)
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parent.completionHandler(data ?? Data(), .video)
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}
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}
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}
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}
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}
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