Delete an existing broadcast (#7219)

RiotSwiftUI/Modules/Room/VoiceBroadcastPlayback/Coordinator/VoiceBroadcastPlaybackCoordinator.swift

@@ -56,6 +56,10 @@ final class VoiceBroadcastPlaybackCoordinator: Coordinator, Presentable {
 
     }
     
+    deinit {
+        viewModel.context.send(viewAction: .redact)
+    }
+    
     // MARK: - Public
 
     func start() { }

RiotSwiftUI/Modules/Room/VoiceBroadcastPlayback/Coordinator/VoiceBroadcastPlaybackProvider.swift

@@ -29,7 +29,19 @@ import Foundation
             }
         }
     }
-    var coordinatorsForEventIdentifiers = [String: VoiceBroadcastPlaybackCoordinator]()
+    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() { }
     
@@ -58,16 +70,24 @@ import Foundation
         return coordinator.toPresentable()
 
     }
-    
-    /// Retrieve the voiceBroadcast timeline coordinator for the given event or nil if it hasn't been created yet
-    func voiceBroadcastPlaybackCoordinatorForEventIdentifier(_ eventIdentifier: String) -> VoiceBroadcastPlaybackCoordinator? {
-        coordinatorsForEventIdentifiers[eventIdentifier]
-    }
-    
+        
     /// Pause current voice broadcast playback.
     @objc public func pausePlaying() {
         coordinatorsForEventIdentifiers.forEach { _, coordinator in
             coordinator.pausePlaying()
         }
     }
+    
+    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
+        }
+    }
 }

RiotSwiftUI/Modules/Room/VoiceBroadcastPlayback/MatrixSDK/VoiceBroadcastPlaybackViewModel.swift

@@ -102,10 +102,9 @@ class VoiceBroadcastPlaybackViewModel: VoiceBroadcastPlaybackViewModelType, Voic
     
     private func release() {
         MXLog.debug("[VoiceBroadcastPlaybackViewModel] release")
-        if let audioPlayer = audioPlayer {
-            audioPlayer.deregisterDelegate(self)
-            self.audioPlayer = nil
-        }
+        self.stop()
+        self.voiceBroadcastAggregator.delegate = nil
+        self.voiceBroadcastAggregator.stop()
     }
     
     // MARK: - Public
@@ -116,6 +115,8 @@ class VoiceBroadcastPlaybackViewModel: VoiceBroadcastPlaybackViewModelType, Voic
             play()
         case .pause:
             pause()
+        case .redact:
+            release()
         case .sliderChange(let didChange):
             didSliderChanged(didChange)
         case .backward:
@@ -468,7 +469,8 @@ extension VoiceBroadcastPlaybackViewModel: VoiceMessageAudioPlayerDelegate {
         MXLog.debug("[VoiceBroadcastPlaybackViewModel] audioPlayerDidStopPlaying")
         state.playbackState = .stopped
         state.playingState.isLive = false
-        release()
+        audioPlayer.deregisterDelegate(self)
+        self.audioPlayer = nil
     }
     
     func audioPlayer(_ audioPlayer: VoiceMessageAudioPlayer, didFailWithError error: Error) {

RiotSwiftUI/Modules/Room/VoiceBroadcastPlayback/VoiceBroadcastPlaybackModels.swift

@@ -23,6 +23,7 @@ enum VoiceBroadcastPlaybackViewAction {
     case sliderChange(didChange: Bool)
     case backward
     case forward
+    case redact
 }
 
 enum VoiceBroadcastPlaybackState {

RiotSwiftUI/Modules/Room/VoiceBroadcastPlayback/VoiceBroadcastPlaybackScreenState.swift

@@ -18,7 +18,7 @@ import Foundation
 import SwiftUI
 
 typealias MockVoiceBroadcastPlaybackViewModelType = StateStoreViewModel<VoiceBroadcastPlaybackViewState, VoiceBroadcastPlaybackViewAction>
-class MockVoiceBroadcastPlaybackViewModel: MockVoiceBroadcastPlaybackViewModelType, VoiceBroadcastPlaybackViewModelProtocol {    
+class MockVoiceBroadcastPlaybackViewModel: MockVoiceBroadcastPlaybackViewModelType, VoiceBroadcastPlaybackViewModelProtocol {
 }
 
 /// Using an enum for the screen allows you define the different state cases with

RiotSwiftUI/Modules/Room/VoiceBroadcastPlayback/VoiceBroadcastPlaybackViewModelProtocol.swift

@@ -19,5 +19,5 @@ import Foundation
 typealias VoiceBroadcastPlaybackViewModelType = StateStoreViewModel<VoiceBroadcastPlaybackViewState, VoiceBroadcastPlaybackViewAction>
 
 protocol VoiceBroadcastPlaybackViewModelProtocol {
-    var context: VoiceBroadcastPlaybackViewModelType.Context { get }    
+    var context: VoiceBroadcastPlaybackViewModelType.Context { get }
 }