Files
letro-ios/ElementX/Sources/Screens/MediaPickerScreen/CameraPicker.swift
Mauro 6160c44d67 Update copyright holding and dates (#4640)
* Update copyright holding and dates

* compound IDE Macros updated

* update copyright

* update copyrights done

* update templates and README
2025-10-21 14:34:56 +02:00

92 lines
3.4 KiB
Swift

//
// Copyright 2025 Element Creations Ltd.
// Copyright 2023-2025 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
// Please see LICENSE files in the repository root for full details.
//
import SwiftUI
enum CameraPickerAction {
case selectFile(URL)
case cancel
case error(CameraPickerError)
}
enum CameraPickerError: Error {
case invalidJpegData
case invalidOriginalImage
case failedWritingToTemporaryDirectory
}
struct CameraPicker: UIViewControllerRepresentable {
private let userIndicatorController: UserIndicatorControllerProtocol
private let callback: (CameraPickerAction) -> Void
init(userIndicatorController: UserIndicatorControllerProtocol,
callback: @escaping (CameraPickerAction) -> Void) {
self.userIndicatorController = userIndicatorController
self.callback = callback
}
func makeUIViewController(context: Context) -> UIImagePickerController {
let imagePicker = UIImagePickerController()
imagePicker.sourceType = .camera
imagePicker.allowsEditing = false
imagePicker.delegate = context.coordinator
imagePicker.videoQuality = .typeHigh
if let mediaTypes = UIImagePickerController.availableMediaTypes(for: .camera) {
imagePicker.mediaTypes = mediaTypes
}
return imagePicker
}
func updateUIViewController(_ uiViewController: UIImagePickerController, context: Context) { }
func makeCoordinator() -> Coordinator {
Coordinator(self)
}
final class Coordinator: NSObject, UIImagePickerControllerDelegate, UINavigationControllerDelegate {
private var cameraPicker: CameraPicker
init(_ cameraPicker: CameraPicker) {
self.cameraPicker = cameraPicker
}
private static let loadingIndicatorIdentifier = "\(CameraPicker.self)-Loading"
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey: Any]) {
picker.delegate = nil
cameraPicker.userIndicatorController.submitIndicator(UserIndicator(id: Self.loadingIndicatorIdentifier, type: .modal, title: L10n.commonLoading))
defer {
cameraPicker.userIndicatorController.retractIndicatorWithId(Self.loadingIndicatorIdentifier)
}
if let videoURL = info[.mediaURL] as? URL {
cameraPicker.callback(.selectFile(videoURL))
} else if let image = info[.originalImage] as? UIImage {
guard let jpegData = image.jpegData(compressionQuality: 1.0) else {
cameraPicker.callback(.error(.invalidJpegData))
return
}
let fileName = "\(Date.now.formatted(.iso8601.dateSeparator(.omitted).timeSeparator(.omitted))).jpg"
do {
let url = try FileManager.default.writeDataToTemporaryDirectory(data: jpegData, fileName: fileName)
cameraPicker.callback(.selectFile(url))
} catch {
cameraPicker.callback(.error(.failedWritingToTemporaryDirectory))
}
} else {
cameraPicker.callback(.error(.invalidOriginalImage))
}
}
}
}