linphone-iphone/Classes/Swift/Extensions/LinphoneCore/ChatMessageExtensions.swift
2024-09-24 12:27:31 +02:00

101 lines
2.8 KiB
Swift

/*
* Copyright (c) 2010-2020 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 Foundation
import linphonesw
class DownloadListener {
private var chatMessageDelegate : ChatMessageDelegateStub? = nil
var messageId: String
init(message:ChatMessage, ok: @escaping ()->Void, ko: ()->Void) {
messageId = message.messageId
chatMessageDelegate = ChatMessageDelegateStub(
onFileTransferProgressIndication: { (message: ChatMessage, content: Content, offset: Int, total: Int) -> Void in
if (content.name == message.audioContent()?.name && offset >= total) {
message.removeDelegate(delegate: self.chatMessageDelegate!)
ok()
}
})
message.addDelegate(delegate: chatMessageDelegate!)
}
}
extension Content {
func downloaded() -> Bool {
if (!isFileTransfer) {
return true
}
let isVfs = VFSUtil.vfsEnabled(groupName: kLinphoneMsgNotificationAppGroupId)
if let path = isVfs ? exportPlainFile() : filePath {
let downloaded = FileUtil.fileExistsAndIsNotEmpty(path: path)
if (isVfs) {
FileUtil.delete(path: path)
}
return downloaded
} else {
return false
}
}
}
extension ChatMessage {
static var downloadListeners:[DownloadListener] = []
func downloadInProgress() -> Bool {
return state == .FileTransferInProgress
}
func downloadError() -> Bool {
return state == .FileTransferError
}
func hasAudioContent() -> Bool {
return audioContent() != nil
}
func audioContent() -> Content? { // Messages can have only one voice recording.
return contents.filter({$0.isVoiceRecording}).first
}
func downloadAudioContent(ok: @escaping ()->Void, ko: ()->Void) {
if let audioContent = audioContent() {
let downloadListener = DownloadListener(message: self, ok: {
ChatMessage.downloadListeners.removeAll(where: {$0.messageId == self.messageId})
ok()
}, ko: {
ChatMessage.downloadListeners.removeAll(where: {$0.messageId == self.messageId})
ko()
})
if (!audioContent.downloaded()) {
audioContent.filePath = LinphoneManager.imagesDirectory() + audioContent.name!
ChatMessage.downloadListeners.append(downloadListener)
let _ = downloadContent(content: audioContent)
} else {
ok()
}
} else {
ok()
}
}
}