migrate SignalingMessageReceiver to kotlin

Signed-off-by: Marcel Hibbe <dev@mhibbe.de>

Author: mahibi

app/src/main/java/com/nextcloud/talk/activities/CallActivity.kt

@@ -291,7 +291,10 @@ class CallActivity : CallBaseActivity() {
     private var isBreakoutRoom = false
     private val localParticipantMessageListener = LocalParticipantMessageListener { token ->
         switchToRoomToken = token
-        hangup(true, false)
+        hangup(
+            shutDownView = true,
+            endCallForAll = false
+        )
     }
     private val offerMessageListener = OfferMessageListener { sessionId, roomType, sdp, nick ->
         getOrCreatePeerConnectionWrapperForSessionIdAndType(
@@ -1973,7 +1976,7 @@ class CallActivity : CallBaseActivity() {
 
         when (messageType) {
             "usersInRoom" ->
-                internalSignalingMessageReceiver.process(signaling.messageWrapper as List<Map<String?, Any?>?>?)
+                internalSignalingMessageReceiver.process(signaling.messageWrapper as List<Map<String?, Any?>>)
 
             "message" -> {
                 val ncSignalingMessage = LoganSquare.parse(
@@ -2789,11 +2792,11 @@ class CallActivity : CallBaseActivity() {
      * All listeners are called in the main thread.
      */
     private class InternalSignalingMessageReceiver : SignalingMessageReceiver() {
-        fun process(users: List<Map<String?, Any?>?>?) {
+        fun process(users: List<Map<String?, Any?>>) {
             processUsersInRoom(users)
         }
 
-        fun process(message: NCSignalingMessage?) {
+        fun process(message: NCSignalingMessage) {
             processSignalingMessage(message)
         }
     }

app/src/main/java/com/nextcloud/talk/activities/ParticipantHandler.kt

@@ -139,7 +139,7 @@ class ParticipantHandler(
             _uiState.update { it.copy(raisedHand = state) }
         }
 
-        override fun onReaction(reaction: String?) {
+        override fun onReaction(reaction: String) {
             Log.d(TAG, "onReaction")
         }
 

app/src/main/java/com/nextcloud/talk/chat/ChatActivity.kt

@@ -428,15 +428,15 @@ class ChatActivity :
 
     var callStarted = false
 
-    private val localParticipantMessageListener = object : SignalingMessageReceiver.LocalParticipantMessageListener {
-        override fun onSwitchTo(token: String?) {
-            if (token != null) {
-                if (CallActivity.active) {
-                    Log.d(TAG, "CallActivity is running. Ignore to switch chat in ChatActivity...")
-                } else {
-                    switchToRoom(token, false, false)
-                }
-            }
+    private val localParticipantMessageListener = SignalingMessageReceiver.LocalParticipantMessageListener { token ->
+        if (CallActivity.active) {
+            Log.d(TAG, "CallActivity is running. Ignore to switch chat in ChatActivity...")
+        } else {
+            switchToRoom(
+                token = token,
+                startCallAfterRoomSwitch = false,
+                isVoiceOnlyCall = false
+            )
         }
     }
 
@@ -481,8 +481,8 @@ class ChatActivity :
             Log.d(
                 TAG,
                 "received message in ChatActivity. This is the chat message received via HPB. It would be " +
-                    "nicer to receive it in the ViewModel or Repository directly. Otherwise it needs to be passed into it" +
-                    " from here..."
+                    "nicer to receive it in the ViewModel or Repository directly. " +
+                    "Otherwise it needs to be passed into it from here..."
             )
         }
     }