linphone-iphone/Linphone/Utils/FilePicker.swift

111 lines
3.6 KiB
Swift

/*
* Copyright (c) 2010-2023 Belledonne Communications SARL.
*
* This file is part of linphone-iphone
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import SwiftUI
import UniformTypeIdentifiers
struct FilePicker: UIViewControllerRepresentable {
var onDocumentsPicked: ([URL]) -> Void
func makeCoordinator() -> Coordinator {
Coordinator(onDocumentsPicked: onDocumentsPicked)
}
func makeUIViewController(context: Context) -> UIDocumentPickerViewController {
let picker = UIDocumentPickerViewController(forOpeningContentTypes: [UTType.item], asCopy: true)
picker.allowsMultipleSelection = true
picker.delegate = context.coordinator
return picker
}
func updateUIViewController(_ uiViewController: UIDocumentPickerViewController, context: Context) {}
class Coordinator: NSObject, UIDocumentPickerDelegate {
let onDocumentsPicked: ([URL]) -> Void
init(onDocumentsPicked: @escaping ([URL]) -> Void) {
self.onDocumentsPicked = onDocumentsPicked
}
func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
onDocumentsPicked(urls)
}
func documentPickerWasCancelled(_ controller: UIDocumentPickerViewController) {
onDocumentsPicked([])
}
}
static func convertToAttachmentArray(fromResults results: [URL], onComplete: @escaping ([Attachment]?, Error?) -> Void) {
var medias = [Attachment]()
let dispatchGroup = DispatchGroup()
for urlFile in results {
dispatchGroup.enter()
do {
let mimeType = urlFile.mimeType()
if !mimeType.isEmpty {
let type = mimeType.components(separatedBy: "/").first ?? ""
let subtype = mimeType.components(separatedBy: "/").last ?? ""
let dataResult = try Data(contentsOf: urlFile)
var typeTmp: AttachmentType = .other
switch type {
case "image":
typeTmp = urlFile.lastPathComponent.lowercased().hasSuffix("gif") ? .gif : .image
case "audio":
typeTmp = .audio
case "application":
typeTmp = subtype.lowercased() == "pdf" ? .pdf : .other
case "text":
typeTmp = .text
case "video":
typeTmp = .video
default:
typeTmp = .other
}
if typeTmp == .video {
let urlImage = PhotoPicker.saveMedia(name: urlFile.lastPathComponent, data: dataResult, type: .video)
let urlThumbnail = PhotoPicker.getURLThumbnail(name: urlFile.lastPathComponent)
if urlImage != nil {
let attachment = Attachment(id: UUID().uuidString, name: urlImage!.lastPathComponent, thumbnail: urlThumbnail, full: urlImage!, type: .video)
medias.append(attachment)
}
} else {
let urlImage = PhotoPicker.saveMedia(name: urlFile.lastPathComponent, data: dataResult, type: typeTmp)
if urlImage != nil {
let attachment = Attachment(id: UUID().uuidString, name: urlImage!.lastPathComponent, url: urlImage!, type: typeTmp)
medias.append(attachment)
}
}
}
} catch {
}
dispatchGroup.leave()
}
dispatchGroup.notify(queue: .main) {
onComplete(medias, nil)
}
}
}