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Prevent multiple file selection callbacks coming from the media upload pickers and generating incorrect transitions in the RoomFlowCoordinator state machine

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This commit is contained in:
Stefan Ceriu
2023-06-08 10:48:16 +03:00
committed by Stefan Ceriu
parent 1bbb077e3e
commit ea91e371eb
4 changed files with 41 additions and 7 deletions
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ElementX/Sources/Screens/MediaPickerScreen/PhotoLibraryPicker.swift
+12 -1
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@@ -29,9 +29,11 @@ enum PhotoLibraryPickerError: Error {
}
struct PhotoLibraryPicker: UIViewControllerRepresentable {
private weak var userIndicatorController: UserIndicatorControllerProtocol?
private let callback: (PhotoLibraryPickerAction) -> Void
init(callback: @escaping (PhotoLibraryPickerAction) -> Void) {
init(userIndicatorController: UserIndicatorControllerProtocol?, callback: @escaping (PhotoLibraryPickerAction) -> Void) {
self.userIndicatorController = userIndicatorController
self.callback = callback
}
@@ -60,6 +62,8 @@ struct PhotoLibraryPicker: UIViewControllerRepresentable {
// MARK: PHPickerViewControllerDelegate
private static let loadingIndicatorIdentifier = "PhotoLibraryPickerLoadingIndicator"
func picker(_ picker: PHPickerViewController, didFinishPicking results: [PHPickerResult]) {
guard let provider = results.first?.itemProvider,
let contentType = provider.preferredContentType else {
@@ -67,6 +71,13 @@ struct PhotoLibraryPicker: UIViewControllerRepresentable {
return
}
picker.delegate = nil
photoLibraryPicker.userIndicatorController?.submitIndicator(UserIndicator(id: Self.loadingIndicatorIdentifier, type: .modal, title: L10n.commonLoading))
defer {
photoLibraryPicker.userIndicatorController?.retractIndicatorWithId(Self.loadingIndicatorIdentifier)
}
provider.loadFileRepresentation(forTypeIdentifier: contentType.identifier) { [weak self] url, error in
guard let url else {
Task { @MainActor in