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Multi file uploads (#4358)

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* 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.
This commit is contained in:
Stefan Ceriu
2025-07-30 15:44:05 +03:00
committed by GitHub
parent 01033cf53e
commit df335bd2b1
39 changed files with 466 additions and 266 deletions
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ElementX/Sources/Screens/MediaPickerScreen/DocumentPicker.swift
+25 -19
View File
@@ -8,29 +8,35 @@
import SwiftUI
enum DocumentPickerAction {
case selectFile(URL)
case selectedMediaAtURLs([URL])
case cancel
case error(Error)
}
enum DocumentPickerError: Error {
case unknown
}
struct DocumentPicker: UIViewControllerRepresentable {
private let selectionType: MediaPickerScreenSelectionType
private let userIndicatorController: UserIndicatorControllerProtocol
private let callback: (DocumentPickerAction) -> Void
init(userIndicatorController: UserIndicatorControllerProtocol, callback: @escaping (DocumentPickerAction) -> Void) {
init(selectionType: MediaPickerScreenSelectionType,
userIndicatorController: UserIndicatorControllerProtocol,
callback: @escaping (DocumentPickerAction) -> Void) {
self.selectionType = selectionType
self.userIndicatorController = userIndicatorController
self.callback = callback
}
func makeUIViewController(context: Context) -> UIDocumentPickerViewController {
let documentPicker = UIDocumentPickerViewController(forOpeningContentTypes: [.data])
documentPicker.allowsMultipleSelection = false
documentPicker.delegate = context.coordinator
documentPicker.allowsMultipleSelection = switch selectionType {
case .single:
false
case .multiple:
true
}
return documentPicker
}
@@ -56,11 +62,6 @@ struct DocumentPicker: UIViewControllerRepresentable {
private static let loadingIndicatorIdentifier = "\(DocumentPicker.self)-Loading"
func documentPicker(_ picker: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
guard let url = urls.first else {
documentPicker.callback(.error(DocumentPickerError.unknown))
return
}
picker.delegate = nil
documentPicker.userIndicatorController.submitIndicator(UserIndicator(id: Self.loadingIndicatorIdentifier, type: .modal, title: L10n.commonLoading))
@@ -68,14 +69,19 @@ struct DocumentPicker: UIViewControllerRepresentable {
documentPicker.userIndicatorController.retractIndicatorWithId(Self.loadingIndicatorIdentifier)
}
do {
_ = url.startAccessingSecurityScopedResource()
let newURL = try FileManager.default.copyFileToTemporaryDirectory(file: url)
url.stopAccessingSecurityScopedResource()
documentPicker.callback(.selectFile(newURL))
} catch {
documentPicker.callback(.error(error))
var selectedURLs = [URL]()
for url in urls.prefix(10) {
do {
_ = url.startAccessingSecurityScopedResource()
let newURL = try FileManager.default.copyFileToTemporaryDirectory(file: url)
url.stopAccessingSecurityScopedResource()
selectedURLs.append(newURL)
} catch {
documentPicker.callback(.error(error))
}
}
documentPicker.callback(.selectedMediaAtURLs(selectedURLs))
}
}
}