[Voice Broadcast] Aggregate the chunks of voice messages in room timeline (#6891)

RiotSwiftUI/Modules/Room/TimelineVoiceBroadcast/TimelineVoiceBroadcastViewModel.swift

@@ -0,0 +1,48 @@
+// 
+// Copyright 2022 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Combine
+import SwiftUI
+
+typealias TimelineVoiceBroadcastViewModelType = StateStoreViewModel<TimelineVoiceBroadcastViewState, TimelineVoiceBroadcastViewAction>
+
+class TimelineVoiceBroadcastViewModel: TimelineVoiceBroadcastViewModelType, TimelineVoiceBroadcastViewModelProtocol {
+    // MARK: - Properties
+
+    // MARK: Private
+    
+    // MARK: Public
+    
+    var completion: TimelineVoiceBroadcastViewModelCallback?
+    
+    // MARK: - Setup
+    
+    init(timelineVoiceBroadcastDetails: TimelineVoiceBroadcastDetails) {
+        super.init(initialViewState: TimelineVoiceBroadcastViewState(voiceBroadcast: timelineVoiceBroadcastDetails, bindings: TimelineVoiceBroadcastViewStateBindings()))
+    }
+    
+    // MARK: - Public
+    
+    override func process(viewAction: TimelineVoiceBroadcastViewAction) {
+        // TODO: add some actions as play pause
+    }
+    
+    // MARK: - TimelineVoiceBroadcastViewModelProtocol
+    
+    func updateWithVoiceBroadcastDetails(_ voiceBroadcastDetails: TimelineVoiceBroadcastDetails) {
+        state.voiceBroadcast = voiceBroadcastDetails
+    }
+}