0915cb81a8
* Allow MediaPickerScreen users to select the media selection mode (single or multiple) * Fix cancellation * Add support for multiple media URLs on the MediaUploadPreviewScreen. * Support processing more URLs on the `MediaUploadingPreprocessor` and sending more on the `MediaUploadPreviewScreen` * Add feature flag for `multipleAttachmentUploadEnabled` * Add a label showing the current preview item index in the MediaUploadPreviewScreen * Add support for dragging and dropping or pasting multiple items at the same time. * Support sharing more than one file through the share extension. * Limit the number of items that can be shared in one go to 5. * Fix unit tests * Fix incorrect fatal error when dealing with single selection media pickers. * Document the `multipleAttachmentUploadEnabled` usage in the context of the MediaPicker. * Use a task group for processing selected media in the photo library picker. * Use a task group for processing multiple selected media in the MediaUploadingPreprocessor * Switch the maximum number of items that can be shared to 10. * Allow multiple items to be pasted at the same time.
90 lines
3.3 KiB
Swift
90 lines
3.3 KiB
Swift
//
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// Copyright 2023, 2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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// Please see LICENSE files in the repository root for full details.
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//
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import SwiftUI
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enum CameraPickerAction {
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case selectFile(URL)
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case cancel
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case error(CameraPickerError)
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}
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enum CameraPickerError: Error {
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case invalidJpegData
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case invalidOriginalImage
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case failedWritingToTemporaryDirectory
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}
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struct CameraPicker: UIViewControllerRepresentable {
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private let userIndicatorController: UserIndicatorControllerProtocol
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private let callback: (CameraPickerAction) -> Void
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init(userIndicatorController: UserIndicatorControllerProtocol,
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callback: @escaping (CameraPickerAction) -> Void) {
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self.userIndicatorController = userIndicatorController
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self.callback = callback
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}
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func makeUIViewController(context: Context) -> UIImagePickerController {
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let imagePicker = UIImagePickerController()
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imagePicker.sourceType = .camera
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imagePicker.allowsEditing = false
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imagePicker.delegate = context.coordinator
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if let mediaTypes = UIImagePickerController.availableMediaTypes(for: .camera) {
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imagePicker.mediaTypes = mediaTypes
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}
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return imagePicker
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}
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func updateUIViewController(_ uiViewController: UIImagePickerController, context: Context) { }
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func makeCoordinator() -> Coordinator {
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Coordinator(self)
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}
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final class Coordinator: NSObject, UIImagePickerControllerDelegate, UINavigationControllerDelegate {
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private var cameraPicker: CameraPicker
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init(_ cameraPicker: CameraPicker) {
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self.cameraPicker = cameraPicker
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}
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private static let loadingIndicatorIdentifier = "\(CameraPicker.self)-Loading"
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func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey: Any]) {
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picker.delegate = nil
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cameraPicker.userIndicatorController.submitIndicator(UserIndicator(id: Self.loadingIndicatorIdentifier, type: .modal, title: L10n.commonLoading))
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defer {
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cameraPicker.userIndicatorController.retractIndicatorWithId(Self.loadingIndicatorIdentifier)
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}
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if let videoURL = info[.mediaURL] as? URL {
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cameraPicker.callback(.selectFile(videoURL))
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} else if let image = info[.originalImage] as? UIImage {
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guard let jpegData = image.jpegData(compressionQuality: 1.0) else {
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cameraPicker.callback(.error(.invalidJpegData))
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return
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}
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let fileName = "\(Date.now.formatted(.iso8601.dateSeparator(.omitted).timeSeparator(.omitted))).jpg"
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do {
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let url = try FileManager.default.writeDataToTemporaryDirectory(data: jpegData, fileName: fileName)
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cameraPicker.callback(.selectFile(url))
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} catch {
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cameraPicker.callback(.error(.failedWritingToTemporaryDirectory))
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}
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} else {
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cameraPicker.callback(.error(.invalidOriginalImage))
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}
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}
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}
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}
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