Hangup when last person in call (based on url params) (#3372)

* Introduce condigurable auto leave option

* Read url params for auto leave

* add tests

* rename url param to `autoLeave`

* lint

Signed-off-by: Timo K <toger5@hotmail.de>

* fix scope in CallViewModel tests

Signed-off-by: Timo K <toger5@hotmail.de>

* use auto leave in DM case

Signed-off-by: Timo K <toger5@hotmail.de>

* Make last once leave logic based on matrix user id (was participant id before)

Signed-off-by: Timo K <toger5@hotmail.de>

* add test for multi device auto leave

Signed-off-by: Timo K <toger5@hotmail.de>

---------

Signed-off-by: Timo K <toger5@hotmail.de>

src/room/CallEventAudioRenderer.tsx

@@ -60,7 +60,7 @@ export function CallEventAudioRenderer({
   const audioEngineRef = useLatest(audioEngineCtx);
 
   useEffect(() => {
-    const joinSub = vm.memberChanges$
+    const joinSub = vm.participantChanges$
       .pipe(
         filter(
           ({ joined, ids }) =>
@@ -72,7 +72,7 @@ export function CallEventAudioRenderer({
         void audioEngineRef.current?.playSound("join");
       });
 
-    const leftSub = vm.memberChanges$
+    const leftSub = vm.participantChanges$
       .pipe(
         filter(
           ({ ids, left }) =>

src/room/GroupCallView.tsx

@@ -166,7 +166,11 @@ export const GroupCallView: FC<Props> = ({
   const { displayName, avatarUrl } = useProfile(client);
   const roomName = useRoomName(room);
   const roomAvatar = useRoomAvatar(room);
-  const { perParticipantE2EE, returnToLobby } = useUrlParams();
+  const {
+    perParticipantE2EE,
+    returnToLobby,
+    password: passwordFromUrl,
+  } = useUrlParams();
   const e2eeSystem = useRoomEncryptionSystem(room.roomId);
   const [useNewMembershipManager] = useSetting(useNewMembershipManagerSetting);
   const [useExperimentalToDeviceTransport] = useSetting(
@@ -174,7 +178,6 @@ export const GroupCallView: FC<Props> = ({
   );
 
   // Save the password once we start the groupCallView
-  const { password: passwordFromUrl } = useUrlParams();
   useEffect(() => {
     if (passwordFromUrl) saveKeyForRoom(room.roomId, passwordFromUrl);
   }, [passwordFromUrl, room.roomId]);

src/room/InCallView.tsx

@@ -25,7 +25,7 @@ import useMeasure from "react-use-measure";
 import { type MatrixRTCSession } from "matrix-js-sdk/lib/matrixrtc";
 import classNames from "classnames";
 import { BehaviorSubject, map } from "rxjs";
-import { useObservable } from "observable-hooks";
+import { useObservable, useSubscription } from "observable-hooks";
 import { logger } from "matrix-js-sdk/lib/logger";
 import { RoomAndToDeviceEvents } from "matrix-js-sdk/lib/matrixrtc/RoomAndToDeviceKeyTransport";
 import {
@@ -140,11 +140,11 @@ export const ActiveCall: FC<ActiveCallProps> = (props) => {
 
   useEffect(() => {
     logger.info(
-      `[Lifecycle] InCallView Component mounted, livekitroom state ${livekitRoom?.state}`,
+      `[Lifecycle] InCallView Component mounted, livekit room state ${livekitRoom?.state}`,
     );
     return (): void => {
       logger.info(
-        `[Lifecycle] InCallView Component unmounted, livekitroom state ${livekitRoom?.state}`,
+        `[Lifecycle] InCallView Component unmounted, livekit room state ${livekitRoom?.state}`,
       );
       livekitRoom
         ?.disconnect()
@@ -159,6 +159,8 @@ export const ActiveCall: FC<ActiveCallProps> = (props) => {
     };
   }, [livekitRoom]);
 
+  const { autoLeaveWhenOthersLeft } = useUrlParams();
+
   useEffect(() => {
     if (livekitRoom !== undefined) {
       const reactionsReader = new ReactionsReader(props.rtcSession);
@@ -166,7 +168,10 @@ export const ActiveCall: FC<ActiveCallProps> = (props) => {
         props.rtcSession,
         livekitRoom,
         mediaDevices,
-        props.e2eeSystem,
+        {
+          encryptionSystem: props.e2eeSystem,
+          autoLeaveWhenOthersLeft,
+        },
         connStateObservable$,
         reactionsReader.raisedHands$,
         reactionsReader.reactions$,
@@ -183,6 +188,7 @@ export const ActiveCall: FC<ActiveCallProps> = (props) => {
     mediaDevices,
     props.e2eeSystem,
     connStateObservable$,
+    autoLeaveWhenOthersLeft,
   ]);
 
   if (livekitRoom === undefined || vm === null) return null;
@@ -313,6 +319,7 @@ export const InCallView: FC<InCallViewProps> = ({
   const earpieceMode = useBehavior(vm.earpieceMode$);
   const audioOutputSwitcher = useBehavior(vm.audioOutputSwitcher$);
   const switchCamera = useSwitchCamera(vm.localVideo$);
+  useSubscription(vm.autoLeaveWhenOthersLeft$, onLeave);
 
   // Ideally we could detect taps by listening for click events and checking
   // that the pointerType of the event is "touch", but this isn't yet supported