element-ios/RiotSwiftUI/Modules/Room/VoiceBroadcastPlayback/Coordinator/VoiceBroadcastPlaybackProvi...

91 lines
3.5 KiB
Swift

//
// Copyright 2022-2024 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only
// Please see LICENSE in the repository root for full details.
//
import Foundation
@objc class VoiceBroadcastPlaybackProvider: NSObject {
@objc static let shared = VoiceBroadcastPlaybackProvider()
var session: MXSession? {
willSet {
guard let currentSession = self.session else { return }
if currentSession != newValue {
// Clear all stored coordinators on new session
coordinatorsForEventIdentifiers.removeAll()
}
}
}
private var coordinatorsForEventIdentifiers = [String: VoiceBroadcastPlaybackCoordinator]() {
didSet {
if !self.coordinatorsForEventIdentifiers.isEmpty && self.redactionsListener == nil {
redactionsListener = session?.listenToEvents([MXEventType(identifier: kMXEventTypeStringRoomRedaction)], self.handleEvent)
}
if self.coordinatorsForEventIdentifiers.isEmpty && self.redactionsListener != nil {
session?.removeListener(self.redactionsListener)
self.redactionsListener = nil
}
}
}
private var redactionsListener: Any?
private override init() { }
/// Create or retrieve the voiceBroadcast timeline coordinator for this event and return
/// a view to be displayed in the timeline
func buildVoiceBroadcastPlaybackVCForEvent(_ event: MXEvent, senderDisplayName: String?, voiceBroadcastState: String) -> UIViewController? {
guard let session = session, let room = session.room(withRoomId: event.roomId) else {
return nil
}
if let coordinator = coordinatorsForEventIdentifiers[event.eventId] {
return coordinator.toPresentable()
}
let parameters = VoiceBroadcastPlaybackCoordinatorParameters(session: session,
room: room,
voiceBroadcastStartEvent: event,
voiceBroadcastState: VoiceBroadcastInfoState(rawValue: voiceBroadcastState) ?? VoiceBroadcastInfoState.stopped,
senderDisplayName: senderDisplayName)
guard let coordinator = try? VoiceBroadcastPlaybackCoordinator(parameters: parameters) else {
return nil
}
coordinatorsForEventIdentifiers[event.eventId] = coordinator
return coordinator.toPresentable()
}
/// Pause current voice broadcast playback.
@objc public func pausePlaying() {
coordinatorsForEventIdentifiers.forEach { _, coordinator in
coordinator.pausePlaying()
}
}
@objc public func pausePlayingInProgressVoiceBroadcast() {
coordinatorsForEventIdentifiers.forEach { _, coordinator in
coordinator.pausePlayingInProgressVoiceBroadcast()
}
}
private func handleEvent(event: MXEvent, direction: MXTimelineDirection, customObject: Any?) {
if direction == .backwards {
// ignore backwards events
return
}
var coordinator = coordinatorsForEventIdentifiers.removeValue(forKey: event.redacts)
coordinator?.toPresentable().dismiss(animated: false) {
coordinator = nil
}
}
}