Merge branch 'livekit' into valere/double_pub_problems_highlevel

package.json

@@ -54,7 +54,7 @@
     "@opentelemetry/sdk-trace-base": "^2.0.0",
     "@opentelemetry/sdk-trace-web": "^2.0.0",
     "@opentelemetry/semantic-conventions": "^1.25.1",
-    "@playwright/test": "^1.56.1",
+    "@playwright/test": "^1.57.0",
     "@radix-ui/react-dialog": "^1.0.4",
     "@radix-ui/react-slider": "^1.1.2",
     "@radix-ui/react-visually-hidden": "^1.0.3",

playwright/fixtures/widget-user.ts

@@ -111,19 +111,27 @@ async function registerUser(
   await page.getByRole("textbox", { name: "Confirm password" }).click();
   await page.getByRole("textbox", { name: "Confirm password" }).fill(PASSWORD);
   await page.getByRole("button", { name: "Register" }).click();
-  const continueButton = page.getByRole("button", { name: "Continue" });
+
-  try {
-    await expect(continueButton).toBeVisible({ timeout: 5000 });
-    await page
-      .getByRole("textbox", { name: "Password", exact: true })
-      .fill(PASSWORD);
-    await continueButton.click();
-  } catch {
-    // continueButton not visible, continue as normal
-  }
   await expect(
     page.getByRole("heading", { name: `Welcome ${username}` }),
   ).toBeVisible();
+
+  const browserUnsupportedToast = page
+    .getByText("Element does not support this browser")
+    .locator("..")
+    .locator("..");
+
+  // Dismiss incompatible browser toast
+  const dismissButton = browserUnsupportedToast.getByRole("button", {
+    name: "Dismiss",
+  });
+  try {
+    await expect(dismissButton).toBeVisible({ timeout: 700 });
+    await dismissButton.click();
+  } catch {
+    // dismissButton not visible, continue as normal
+  }
+
   await setDevToolElementCallDevUrl(page);
 
   const clientHandle = await page.evaluateHandle(() =>

src/room/GroupCallView.tsx

@@ -160,6 +160,7 @@ export const GroupCallView: FC<Props> = ({
   }, [rtcSession]);
 
   // TODO move this into the callViewModel LocalMembership.ts
+  // We might actually not need this at all. Since we get into fatalError on those errors already?
   useTypedEventEmitter(
     rtcSession,
     MatrixRTCSessionEvent.MembershipManagerError,
@@ -313,6 +314,7 @@ export const GroupCallView: FC<Props> = ({
 
   const navigate = useNavigate();
 
+  // TODO split this into leave and onDisconnect
   const onLeft = useCallback(
     (
       reason: "timeout" | "user" | "allOthersLeft" | "decline" | "error",

src/room/InCallView.tsx

@@ -24,7 +24,7 @@ import { type MatrixRTCSession } from "matrix-js-sdk/lib/matrixrtc";
 import classNames from "classnames";
 import { BehaviorSubject, map } from "rxjs";
 import { useObservable } from "observable-hooks";
-import { logger } from "matrix-js-sdk/lib/logger";
+import { logger as rootLogger } from "matrix-js-sdk/lib/logger";
 import {
   VoiceCallSolidIcon,
   VolumeOnSolidIcon,
@@ -109,6 +109,8 @@ import { useTrackProcessorObservable$ } from "../livekit/TrackProcessorContext.t
 import { type Layout } from "../state/layout-types.ts";
 import { ObservableScope } from "../state/ObservableScope.ts";
 
+const logger = rootLogger.getChild("[InCallView]");
+
 const maxTapDurationMs = 400;
 
 export interface ActiveCallProps
@@ -127,6 +129,7 @@ export const ActiveCall: FC<ActiveCallProps> = (props) => {
   const mediaDevices = useMediaDevices();
   const trackProcessorState$ = useTrackProcessorObservable$();
   useEffect(() => {
+    logger.info("START CALL VIEW SCOPE");
     const scope = new ObservableScope();
     const reactionsReader = new ReactionsReader(scope, props.rtcSession);
     const { autoLeaveWhenOthersLeft, waitForCallPickup, sendNotificationType } =
@@ -151,7 +154,9 @@ export const ActiveCall: FC<ActiveCallProps> = (props) => {
     setVm(vm);
 
     vm.leave$.pipe(scope.bind()).subscribe(props.onLeft);
+
     return (): void => {
+      logger.info("END CALL VIEW SCOPE");
       scope.end();
     };
   }, [
@@ -270,7 +275,10 @@ export const InCallView: FC<InCallViewProps> = ({
   const ringOverlay = useBehavior(vm.ringOverlay$);
   const fatalCallError = useBehavior(vm.fatalError$);
   // Stop the rendering and throw for the error boundary
-  if (fatalCallError) throw fatalCallError;
+  if (fatalCallError) {
+    logger.debug("fatalCallError stop rendering", fatalCallError);
+    throw fatalCallError;
+  }
 
   // We need to set the proper timings on the animation based upon the sound length.
   const ringDuration = pickupPhaseAudio?.soundDuration["waiting"] ?? 1;

src/room/LobbyView.tsx

@@ -79,9 +79,9 @@ export const LobbyView: FC<Props> = ({
   waitingForInvite,
 }) => {
   useEffect(() => {
-    logger.info("[Lifecycle] GroupCallView Component mounted");
+    logger.info("[Lifecycle] LobbyView Component mounted");
     return (): void => {
-      logger.info("[Lifecycle] GroupCallView Component unmounted");
+      logger.info("[Lifecycle] LobbyView Component unmounted");
     };
   }, []);
 

src/state/CallViewModel/CallViewModel.ts

@@ -15,6 +15,7 @@ import {
 } from "livekit-client";
 import { type Room as MatrixRoom } from "matrix-js-sdk";
 import {
+  catchError,
   combineLatest,
   distinctUntilChanged,
   filter,
@@ -93,14 +94,14 @@ import {
   type SpotlightLandscapeLayoutMedia,
   type SpotlightPortraitLayoutMedia,
 } from "../layout-types.ts";
-import { type ElementCallError } from "../../utils/errors.ts";
+import { ElementCallError } from "../../utils/errors.ts";
 import { type ObservableScope } from "../ObservableScope.ts";
 import { createHomeserverConnected$ } from "./localMember/HomeserverConnected.ts";
 import {
   createLocalMembership$,
   enterRTCSession,
-  RTCBackendState,
+  TransportState,
-} from "./localMember/LocalMembership.ts";
+} from "./localMember/LocalMember.ts";
 import { createLocalTransport$ } from "./localMember/LocalTransport.ts";
 import {
   createMemberships$,
@@ -425,7 +426,18 @@ export function createCallViewModel$(
     connectionFactory: connectionFactory,
     inputTransports$: scope.behavior(
       combineLatest(
-        [localTransport$, membershipsAndTransports.transports$],
+        [
+          localTransport$.pipe(
+            catchError((e: unknown) => {
+              logger.info(
+                "dont pass local transport to createConnectionManager$. localTransport$ threw an error",
+                e,
+              );
+              return of(null);
+            }),
+          ),
+          membershipsAndTransports.transports$,
+        ],
         (localTransport, transports) => {
           const localTransportAsArray = localTransport ? [localTransport] : [];
           return transports.mapInner((transports) => [
@@ -457,13 +469,13 @@ export function createCallViewModel$(
 
   const localMembership = createLocalMembership$({
     scope: scope,
-    homeserverConnected$: createHomeserverConnected$(
+    homeserverConnected: createHomeserverConnected$(
       scope,
       client,
       matrixRTCSession,
     ),
     muteStates: muteStates,
-    joinMatrixRTC: async (transport: LivekitTransport) => {
+    joinMatrixRTC: (transport: LivekitTransport) => {
       return enterRTCSession(
         matrixRTCSession,
         transport,
@@ -578,17 +590,6 @@ export function createCallViewModel$(
     ),
   );
 
-  /**
-   * Whether various media/event sources should pretend to be disconnected from
-   * all network input, even if their connection still technically works.
-   */
-  // We do this when the app is in the 'reconnecting' state, because it might be
-  // that the LiveKit connection is still functional while the homeserver is
-  // down, for example, and we want to avoid making people worry that the app is
-  // in a split-brained state.
-  // DISCUSSION own membership manager ALSO this probably can be simplifis
-  const reconnecting$ = localMembership.reconnecting$;
-
   const audioParticipants$ = scope.behavior(
     matrixLivekitMembers$.pipe(
       switchMap((membersWithEpoch) => {
@@ -636,7 +637,7 @@ export function createCallViewModel$(
   );
 
   const handsRaised$ = scope.behavior(
-    handsRaisedSubject$.pipe(pauseWhen(reconnecting$)),
+    handsRaisedSubject$.pipe(pauseWhen(localMembership.reconnecting$)),
   );
 
   const reactions$ = scope.behavior(
@@ -649,7 +650,7 @@ export function createCallViewModel$(
           ]),
         ),
       ),
-      pauseWhen(reconnecting$),
+      pauseWhen(localMembership.reconnecting$),
     ),
   );
 
@@ -740,7 +741,7 @@ export function createCallViewModel$(
             livekitRoom$,
             focusUrl$,
             mediaDevices,
-            reconnecting$,
+            localMembership.reconnecting$,
             displayName$,
             matrixMemberMetadataStore.createAvatarUrlBehavior$(userId),
             handsRaised$.pipe(map((v) => v[participantId]?.time ?? null)),
@@ -1423,13 +1424,44 @@ export function createCallViewModel$(
   // reassigned here to make it publicly accessible
   const toggleScreenSharing = localMembership.toggleScreenSharing;
 
+  const errors$ = scope.behavior<{
+    transportError?: ElementCallError;
+    matrixError?: ElementCallError;
+    connectionError?: ElementCallError;
+    publishError?: ElementCallError;
+  } | null>(
+    localMembership.localMemberState$.pipe(
+      map((value) => {
+        const returnObject: {
+          transportError?: ElementCallError;
+          matrixError?: ElementCallError;
+          connectionError?: ElementCallError;
+          publishError?: ElementCallError;
+        } = {};
+        if (value instanceof ElementCallError) return { transportError: value };
+        if (value === TransportState.Waiting) return null;
+        if (value.matrix instanceof ElementCallError)
+          returnObject.matrixError = value.matrix;
+        if (value.media instanceof ElementCallError)
+          returnObject.publishError = value.media;
+        else if (
+          typeof value.media === "object" &&
+          value.media.connection instanceof ElementCallError
+        )
+          returnObject.connectionError = value.media.connection;
+        return returnObject;
+      }),
+    ),
+    null,
+  );
+
   return {
     autoLeave$: autoLeave$,
     callPickupState$: callPickupState$,
     ringOverlay$: ringOverlay$,
     leave$: leave$,
     hangup: (): void => userHangup$.next(),
-    join: localMembership.requestConnect,
+    join: localMembership.requestJoinAndPublish,
     toggleScreenSharing: toggleScreenSharing,
     sharingScreen$: sharingScreen$,
 
@@ -1439,9 +1471,17 @@ export function createCallViewModel$(
     unhoverScreen: (): void => screenUnhover$.next(),
 
     fatalError$: scope.behavior(
-      localMembership.connectionState.livekit$.pipe(
+      errors$.pipe(
-        filter((v) => v.state === RTCBackendState.Error),
+        map((errors) => {
-        map((s) => s.error),
+          logger.debug("errors$ to compute any fatal errors:", errors);
+          return (
+            errors?.transportError ??
+            errors?.matrixError ??
+            errors?.connectionError ??
+            null
+          );
+        }),
+        filter((error) => error !== null),
       ),
       null,
     ),
@@ -1474,7 +1514,7 @@ export function createCallViewModel$(
     showFooter$: showFooter$,
     earpieceMode$: earpieceMode$,
     audioOutputSwitcher$: audioOutputSwitcher$,
-    reconnecting$: reconnecting$,
+    reconnecting$: localMembership.reconnecting$,
   };
 }
 

src/state/CallViewModel/localMember/HomeserverConnected.test.ts

@@ -97,106 +97,106 @@ describe("createHomeserverConnected$", () => {
   // LLM generated test cases. They are a bit overkill but I improved the mocking so it is
   // easy enough to read them so I think they can stay.
   it("is false when sync state is not Syncing", () => {
-    const hsConnected$ = createHomeserverConnected$(scope, client, session);
+    const hsConnected = createHomeserverConnected$(scope, client, session);
-    expect(hsConnected$.value).toBe(false);
+    expect(hsConnected.combined$.value).toBe(false);
   });
 
   it("remains false while membership status is not Connected even if sync is Syncing", () => {
-    const hsConnected$ = createHomeserverConnected$(scope, client, session);
+    const hsConnected = createHomeserverConnected$(scope, client, session);
     client.setSyncState(SyncState.Syncing);
-    expect(hsConnected$.value).toBe(false); // membership still disconnected
+    expect(hsConnected.combined$.value).toBe(false); // membership still disconnected
   });
 
   it("is false when membership status transitions to Connected but ProbablyLeft is true", () => {
-    const hsConnected$ = createHomeserverConnected$(scope, client, session);
+    const hsConnected = createHomeserverConnected$(scope, client, session);
     // Make sync loop OK
     client.setSyncState(SyncState.Syncing);
     // Indicate probable leave before connection
     session.setProbablyLeft(true);
     session.setMembershipStatus(Status.Connected);
-    expect(hsConnected$.value).toBe(false);
+    expect(hsConnected.combined$.value).toBe(false);
   });
 
   it("becomes true only when all three conditions are satisfied", () => {
-    const hsConnected$ = createHomeserverConnected$(scope, client, session);
+    const hsConnected = createHomeserverConnected$(scope, client, session);
     // 1. Sync loop connected
     client.setSyncState(SyncState.Syncing);
-    expect(hsConnected$.value).toBe(false); // not yet membership connected
+    expect(hsConnected.combined$.value).toBe(false); // not yet membership connected
     // 2. Membership connected
     session.setMembershipStatus(Status.Connected);
-    expect(hsConnected$.value).toBe(true); // probablyLeft is false
+    expect(hsConnected.combined$.value).toBe(true); // probablyLeft is false
   });
 
   it("drops back to false when sync loop leaves Syncing", () => {
-    const hsConnected$ = createHomeserverConnected$(scope, client, session);
+    const hsConnected = createHomeserverConnected$(scope, client, session);
     // Reach connected state
     client.setSyncState(SyncState.Syncing);
     session.setMembershipStatus(Status.Connected);
-    expect(hsConnected$.value).toBe(true);
+    expect(hsConnected.combined$.value).toBe(true);
 
     // Sync loop error => should flip false
     client.setSyncState(SyncState.Error);
-    expect(hsConnected$.value).toBe(false);
+    expect(hsConnected.combined$.value).toBe(false);
   });
 
   it("drops back to false when membership status becomes disconnected", () => {
-    const hsConnected$ = createHomeserverConnected$(scope, client, session);
+    const hsConnected = createHomeserverConnected$(scope, client, session);
     client.setSyncState(SyncState.Syncing);
     session.setMembershipStatus(Status.Connected);
-    expect(hsConnected$.value).toBe(true);
+    expect(hsConnected.combined$.value).toBe(true);
 
     session.setMembershipStatus(Status.Disconnected);
-    expect(hsConnected$.value).toBe(false);
+    expect(hsConnected.combined$.value).toBe(false);
   });
 
   it("drops to false when ProbablyLeft is emitted after being true", () => {
-    const hsConnected$ = createHomeserverConnected$(scope, client, session);
+    const hsConnected = createHomeserverConnected$(scope, client, session);
     client.setSyncState(SyncState.Syncing);
     session.setMembershipStatus(Status.Connected);
-    expect(hsConnected$.value).toBe(true);
+    expect(hsConnected.combined$.value).toBe(true);
 
     session.setProbablyLeft(true);
-    expect(hsConnected$.value).toBe(false);
+    expect(hsConnected.combined$.value).toBe(false);
   });
 
   it("recovers to true if ProbablyLeft becomes false again while other conditions remain true", () => {
-    const hsConnected$ = createHomeserverConnected$(scope, client, session);
+    const hsConnected = createHomeserverConnected$(scope, client, session);
     client.setSyncState(SyncState.Syncing);
     session.setMembershipStatus(Status.Connected);
-    expect(hsConnected$.value).toBe(true);
+    expect(hsConnected.combined$.value).toBe(true);
 
     session.setProbablyLeft(true);
-    expect(hsConnected$.value).toBe(false);
+    expect(hsConnected.combined$.value).toBe(false);
 
     // Simulate clearing the flag (in realistic scenario membership manager would update)
     session.setProbablyLeft(false);
-    expect(hsConnected$.value).toBe(true);
+    expect(hsConnected.combined$.value).toBe(true);
   });
 
   it("composite sequence reflects each individual failure reason", () => {
-    const hsConnected$ = createHomeserverConnected$(scope, client, session);
+    const hsConnected = createHomeserverConnected$(scope, client, session);
 
     // Initially false (sync error + disconnected + not probably left)
-    expect(hsConnected$.value).toBe(false);
+    expect(hsConnected.combined$.value).toBe(false);
 
     // Fix sync only
     client.setSyncState(SyncState.Syncing);
-    expect(hsConnected$.value).toBe(false);
+    expect(hsConnected.combined$.value).toBe(false);
 
     // Fix membership
     session.setMembershipStatus(Status.Connected);
-    expect(hsConnected$.value).toBe(true);
+    expect(hsConnected.combined$.value).toBe(true);
 
     // Introduce probablyLeft -> false
     session.setProbablyLeft(true);
-    expect(hsConnected$.value).toBe(false);
+    expect(hsConnected.combined$.value).toBe(false);
 
     // Restore notProbablyLeft -> true again
     session.setProbablyLeft(false);
-    expect(hsConnected$.value).toBe(true);
+    expect(hsConnected.combined$.value).toBe(true);
 
     // Drop sync -> false
     client.setSyncState(SyncState.Error);
-    expect(hsConnected$.value).toBe(false);
+    expect(hsConnected.combined$.value).toBe(false);
   });
 });

src/state/CallViewModel/localMember/HomeserverConnected.ts

@@ -25,6 +25,11 @@ import { type NodeStyleEventEmitter } from "../../../utils/test";
  */
 const logger = rootLogger.getChild("[HomeserverConnected]");
 
+export interface HomeserverConnected {
+  combined$: Behavior<boolean>;
+  rtsSession$: Behavior<Status>;
+}
+
 /**
  * Behavior representing whether we consider ourselves connected to the Matrix homeserver
  * for the purposes of a MatrixRTC session.
@@ -39,7 +44,7 @@ export function createHomeserverConnected$(
   client: NodeStyleEventEmitter & Pick<MatrixClient, "getSyncState">,
   matrixRTCSession: NodeStyleEventEmitter &
     Pick<MatrixRTCSession, "membershipStatus" | "probablyLeft">,
-): Behavior<boolean> {
+): HomeserverConnected {
   const syncing$ = (
     fromEvent(client, ClientEvent.Sync) as Observable<[SyncState]>
   ).pipe(
@@ -47,12 +52,15 @@ export function createHomeserverConnected$(
     map(([state]) => state === SyncState.Syncing),
   );
 
-  const membershipConnected$ = fromEvent(
+  const rtsSession$ = scope.behavior<Status>(
-    matrixRTCSession,
+    fromEvent(matrixRTCSession, MembershipManagerEvent.StatusChanged).pipe(
-    MembershipManagerEvent.StatusChanged,
+      map(() => matrixRTCSession.membershipStatus ?? Status.Unknown),
-  ).pipe(
+    ),
-    startWith(null),
+    Status.Unknown,
-    map(() => matrixRTCSession.membershipStatus === Status.Connected),
+  );
+
+  const membershipConnected$ = rtsSession$.pipe(
+    map((status) => status === Status.Connected),
   );
 
   // This is basically notProbablyLeft$
@@ -71,15 +79,13 @@ export function createHomeserverConnected$(
     map(() => matrixRTCSession.probablyLeft !== true),
   );
 
-  const connectedCombined$ = and$(
+  const combined$ = scope.behavior(
-    syncing$,
+    and$(syncing$, membershipConnected$, certainlyConnected$).pipe(
-    membershipConnected$,
-    certainlyConnected$,
-  ).pipe(
       tap((connected) => {
         logger.info(`Homeserver connected update: ${connected}`);
       }),
+    ),
   );
 
-  return scope.behavior(connectedCombined$);
+  return { combined$, rtsSession$ };
 }

src/state/CallViewModel/localMember/LocalMember.test.ts

@@ -7,6 +7,7 @@ Please see LICENSE in the repository root for full details.
 */
 
 import {
+  Status as RTCMemberStatus,
   type LivekitTransport,
   type MatrixRTCSession,
 } from "matrix-js-sdk/lib/matrixrtc";
@@ -14,11 +15,7 @@ import { describe, expect, it, vi } from "vitest";
 import { AutoDiscovery } from "matrix-js-sdk/lib/autodiscovery";
 import { BehaviorSubject, map, of } from "rxjs";
 import { logger } from "matrix-js-sdk/lib/logger";
-import {
+import { type LocalParticipant, type LocalTrack } from "livekit-client";
-  ConnectionState as LivekitConnectionState,
-  type LocalParticipant,
-  type LocalTrack,
-} from "livekit-client";
 
 import { MatrixRTCMode } from "../../../settings/settings";
 import {
@@ -29,15 +26,17 @@ import {
   withTestScheduler,
 } from "../../../utils/test";
 import {
+  TransportState,
   createLocalMembership$,
   enterRTCSession,
-  RTCBackendState,
+  PublishState,
-} from "./LocalMembership";
+  TrackState,
+} from "./LocalMember";
 import { MatrixRTCTransportMissingError } from "../../../utils/errors";
 import { Epoch, ObservableScope } from "../../ObservableScope";
 import { constant } from "../../Behavior";
 import { ConnectionManagerData } from "../remoteMembers/ConnectionManager";
-import { type Connection } from "../remoteMembers/Connection";
+import { ConnectionState, type Connection } from "../remoteMembers/Connection";
 import { type Publisher } from "./Publisher";
 
 const MATRIX_RTC_MODE = MatrixRTCMode.Legacy;
@@ -51,7 +50,7 @@ vi.mock("@livekit/components-core", () => ({
 
 describe("LocalMembership", () => {
   describe("enterRTCSession", () => {
-    it("It joins the correct Session", async () => {
+    it("It joins the correct Session", () => {
       const focusFromOlderMembership = {
         type: "livekit",
         livekit_service_url: "http://my-oldest-member-service-url.com",
@@ -107,7 +106,7 @@ describe("LocalMembership", () => {
         joinRoomSession: vi.fn(),
       }) as unknown as MatrixRTCSession;
 
-      await enterRTCSession(
+      enterRTCSession(
         mockedSession,
         {
           livekit_alias: "roomId",
@@ -136,7 +135,7 @@ describe("LocalMembership", () => {
       );
     });
 
-    it("It should not fail with configuration error if homeserver config has livekit url but not fallback", async () => {
+    it("It should not fail with configuration error if homeserver config has livekit url but not fallback", () => {
       mockConfig({});
       vi.spyOn(AutoDiscovery, "getRawClientConfig").mockResolvedValue({
         "org.matrix.msc4143.rtc_foci": [
@@ -165,7 +164,7 @@ describe("LocalMembership", () => {
         joinRoomSession: vi.fn(),
       }) as unknown as MatrixRTCSession;
 
-      await enterRTCSession(
+      enterRTCSession(
         mockedSession,
         {
           livekit_alias: "roomId",
@@ -190,7 +189,6 @@ describe("LocalMembership", () => {
       leaveRoomSession: () => {},
     } as unknown as MatrixRTCSession,
     muteStates: mockMuteStates(),
-    isHomeserverConnected: constant(true),
     trackProcessorState$: constant({
       supported: false,
       processor: undefined,
@@ -198,20 +196,20 @@ describe("LocalMembership", () => {
     logger: logger,
     createPublisherFactory: vi.fn(),
     joinMatrixRTC: async (): Promise<void> => {},
-    homeserverConnected$: constant(true),
+    homeserverConnected: {
+      combined$: constant(true),
+      rtsSession$: constant(RTCMemberStatus.Connected),
+    },
   };
 
   it("throws error on missing RTC config error", () => {
     withTestScheduler(({ scope, hot, expectObservable }) => {
-      const goodTransport = {
+      const localTransport$ = scope.behavior<null | LivekitTransport>(
-        livekit_service_url: "other",
-      } as LivekitTransport;
-
-      const localTransport$ = scope.behavior<LivekitTransport>(
         hot("1ms #", {}, new MatrixRTCTransportMissingError("domain.com")),
-        goodTransport,
+        null,
       );
 
+      // we do not need any connection data since we want to fail before reaching that.
       const mockConnectionManager = {
         transports$: scope.behavior(
           localTransport$.pipe(map((t) => new Epoch([t]))),
@@ -227,15 +225,11 @@ describe("LocalMembership", () => {
         connectionManager: mockConnectionManager,
         localTransport$,
       });
+      localMembership.requestJoinAndPublish();
 
-      expectObservable(localMembership.connectionState.livekit$).toBe("ne", {
+      expectObservable(localMembership.localMemberState$).toBe("ne", {
-        n: { state: RTCBackendState.WaitingForConnection },
+        n: TransportState.Waiting,
-        e: {
+        e: expect.toSatisfy((e) => e instanceof MatrixRTCTransportMissingError),
-          state: RTCBackendState.Error,
-          error: expect.toSatisfy(
-            (e) => e instanceof MatrixRTCTransportMissingError,
-          ),
-        },
       });
     });
   });
@@ -247,34 +241,24 @@ describe("LocalMembership", () => {
     livekit_service_url: "b",
   } as LivekitTransport;
 
-  const connectionManagerData = new ConnectionManagerData();
+  const connectionTransportAConnected = {
-
-  connectionManagerData.add(
-    {
     livekitRoom: mockLivekitRoom({
       localParticipant: {
         isScreenShareEnabled: false,
         trackPublications: [],
       } as unknown as LocalParticipant,
     }),
-      state$: constant({
+    state$: constant(ConnectionState.LivekitConnected),
-        state: "ConnectedToLkRoom",
-        livekitConnectionState$: constant(LivekitConnectionState.Connected),
-      }),
     transport: aTransport,
-    } as unknown as Connection,
+  } as unknown as Connection;
-    [],
+  const connectionTransportAConnecting = {
-  );
+    ...connectionTransportAConnected,
-  connectionManagerData.add(
+    state$: constant(ConnectionState.LivekitConnecting),
-    {
+  } as unknown as Connection;
-      state$: constant({
+  const connectionTransportBConnected = {
-        state: "ConnectedToLkRoom",
+    state$: constant(ConnectionState.LivekitConnected),
-      }),
     transport: bTransport,
-      livekitRoom: mockLivekitRoom({}),
+  } as unknown as Connection;
-    } as unknown as Connection,
-    [],
-  );
 
   it("recreates publisher if new connection is used and ENDS always unpublish and end tracks", async () => {
     const scope = new ObservableScope();
@@ -303,6 +287,9 @@ describe("LocalMembership", () => {
         typeof vi.fn
       >;
 
+    const connectionManagerData = new ConnectionManagerData();
+    connectionManagerData.add(connectionTransportAConnected, []);
+    connectionManagerData.add(connectionTransportBConnected, []);
     createLocalMembership$({
       scope,
       ...defaultCreateLocalMemberValues,
@@ -362,6 +349,9 @@ describe("LocalMembership", () => {
         typeof vi.fn
       >;
 
+    const connectionManagerData = new ConnectionManagerData();
+    connectionManagerData.add(connectionTransportAConnected, []);
+    // connectionManagerData.add(connectionTransportB, []);
     const localMembership = createLocalMembership$({
       scope,
       ...defaultCreateLocalMemberValues,
@@ -390,10 +380,11 @@ describe("LocalMembership", () => {
   it("tracks livekit state correctly", async () => {
     const scope = new ObservableScope();
 
+    const connectionManagerData = new ConnectionManagerData();
     const localTransport$ = new BehaviorSubject<null | LivekitTransport>(null);
-    const connectionManagerData$ = new BehaviorSubject<
+    const connectionManagerData$ = new BehaviorSubject(
-      Epoch<ConnectionManagerData>
+      new Epoch(connectionManagerData),
-    >(new Epoch(new ConnectionManagerData()));
+    );
     const publishers: Publisher[] = [];
 
     const tracks$ = new BehaviorSubject<LocalTrack[]>([]);
@@ -439,19 +430,45 @@ describe("LocalMembership", () => {
     });
 
     await flushPromises();
-    expect(localMembership.connectionState.livekit$.value).toStrictEqual({
+    expect(localMembership.localMemberState$.value).toStrictEqual(
-      state: RTCBackendState.WaitingForTransport,
+      TransportState.Waiting,
-    });
+    );
     localTransport$.next(aTransport);
     await flushPromises();
-    expect(localMembership.connectionState.livekit$.value).toStrictEqual({
+    expect(localMembership.localMemberState$.value).toStrictEqual({
-      state: RTCBackendState.WaitingForConnection,
+      matrix: RTCMemberStatus.Connected,
+      media: { connection: null, tracks: TrackState.WaitingForUser },
     });
-    connectionManagerData$.next(new Epoch(connectionManagerData));
+
+    const connectionManagerData2 = new ConnectionManagerData();
+    connectionManagerData2.add(
+      // clone because we will mutate this later.
+      { ...connectionTransportAConnecting } as unknown as Connection,
+      [],
+    );
+
+    connectionManagerData$.next(new Epoch(connectionManagerData2));
     await flushPromises();
-    expect(localMembership.connectionState.livekit$.value).toStrictEqual({
+    expect(localMembership.localMemberState$.value).toStrictEqual({
-      state: RTCBackendState.Initialized,
+      matrix: RTCMemberStatus.Connected,
+      media: {
+        connection: ConnectionState.LivekitConnecting,
+        tracks: TrackState.WaitingForUser,
+      },
     });
+
+    (
+      connectionManagerData2.getConnectionForTransport(aTransport)!
+        .state$ as BehaviorSubject<ConnectionState>
+    ).next(ConnectionState.LivekitConnected);
+    expect(localMembership.localMemberState$.value).toStrictEqual({
+      matrix: RTCMemberStatus.Connected,
+      media: {
+        connection: ConnectionState.LivekitConnected,
+        tracks: TrackState.WaitingForUser,
+      },
+    });
+
     expect(publisherFactory).toHaveBeenCalledOnce();
     // expect(localMembership.tracks$.value.length).toBe(0);
 
@@ -460,37 +477,46 @@ describe("LocalMembership", () => {
     // -------
 
     await flushPromises();
-    // expect(localMembership.connectionState.livekit$.value).toStrictEqual({
+    expect(localMembership.localMemberState$.value).toStrictEqual({
-    //   state: RTCBackendState.CreatingTracks,
+      matrix: RTCMemberStatus.Connected,
-    // });
+      media: {
+        tracks: TrackState.Creating,
+        connection: ConnectionState.LivekitConnected,
+      },
+    });
     createTrackResolver.resolve();
     await flushPromises();
-    expect(localMembership.connectionState.livekit$.value).toStrictEqual({
+    expect(
-      state: RTCBackendState.ReadyToPublish,
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    });
+      (localMembership.localMemberState$.value as any).media,
+    ).toStrictEqual(PublishState.WaitingForUser);
 
     // -------
-    localMembership.requestConnect();
+    localMembership.requestJoinAndPublish();
     // -------
 
-    // expect(localMembership.connectionState.livekit$.value).toStrictEqual({
+    expect(
-    //   state: RTCBackendState.WaitingToPublish,
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    // });
+      (localMembership.localMemberState$.value as any).media,
+    ).toStrictEqual(PublishState.Starting);
 
     publishResolver.resolve();
     await flushPromises();
-    expect(localMembership.connectionState.livekit$.value).toStrictEqual({
+    expect(
-      state: RTCBackendState.Connected,
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    });
+      (localMembership.localMemberState$.value as any).media,
+    ).toStrictEqual(PublishState.Publishing);
+
     expect(publishers[0].stopPublishing).not.toHaveBeenCalled();
 
-    expect(localMembership.connectionState.livekit$.isStopped).toBe(false);
+    expect(localMembership.localMemberState$.isStopped).toBe(false);
     scope.end();
     await flushPromises();
     // stays in connected state because it is stopped before the update to tracks update the state.
-    expect(localMembership.connectionState.livekit$.value).toStrictEqual({
+    expect(
-      state: RTCBackendState.Connected,
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    });
+      (localMembership.localMemberState$.value as any).media,
+    ).toStrictEqual(PublishState.Publishing);
     // stop all tracks after ending scopes
     expect(publishers[0].stopPublishing).toHaveBeenCalled();
     // expect(publishers[0].stopTracks).toHaveBeenCalled();

src/state/CallViewModel/localMember/LocalMember.ts

@@ -16,6 +16,7 @@ import {
 } from "livekit-client";
 import { observeParticipantEvents } from "@livekit/components-core";
 import {
+  Status as RTCSessionStatus,
   type LivekitTransport,
   type MatrixRTCSession,
 } from "matrix-js-sdk/lib/matrixrtc";
@@ -29,7 +30,7 @@ import {
   map,
   type Observable,
   of,
-  scan,
+  pairwise,
   startWith,
   switchMap,
   tap,
@@ -37,74 +38,67 @@ import {
 import { type Logger } from "matrix-js-sdk/lib/logger";
 import { deepCompare } from "matrix-js-sdk/lib/utils";
 
-import { constant, type Behavior } from "../../Behavior";
+import { constant, type Behavior } from "../../Behavior.ts";
-import { type IConnectionManager } from "../remoteMembers/ConnectionManager";
+import { type IConnectionManager } from "../remoteMembers/ConnectionManager.ts";
-import { ObservableScope } from "../../ObservableScope";
+import { type ObservableScope } from "../../ObservableScope.ts";
-import { type Publisher } from "./Publisher";
+import { type Publisher } from "./Publisher.ts";
-import { type MuteStates } from "../../MuteStates";
+import { type MuteStates } from "../../MuteStates.ts";
-import { and$ } from "../../../utils/observable";
 import {
   ElementCallError,
+  FailToStartLivekitConnection,
   MembershipManagerError,
   UnknownCallError,
-} from "../../../utils/errors";
+} from "../../../utils/errors.ts";
-import { ElementWidgetActions, widget } from "../../../widget";
+import { ElementWidgetActions, widget } from "../../../widget.ts";
 import { getUrlParams } from "../../../UrlParams.ts";
 import { PosthogAnalytics } from "../../../analytics/PosthogAnalytics.ts";
 import { MatrixRTCMode } from "../../../settings/settings.ts";
 import { Config } from "../../../config/Config.ts";
-import { type Connection } from "../remoteMembers/Connection.ts";
+import {
+  ConnectionState,
+  type Connection,
+  type FailedToStartError,
+} from "../remoteMembers/Connection.ts";
+import { type HomeserverConnected } from "./HomeserverConnected.ts";
+import { and$ } from "../../../utils/observable.ts";
 
-export enum RTCBackendState {
+export enum TransportState {
-  Error = "error",
   /** Not even a transport is available to the LocalMembership */
-  WaitingForTransport = "waiting_for_transport",
+  Waiting = "transport_waiting",
-  /** A connection appeared so we can initialise the publisher */
-  WaitingForConnection = "waiting_for_connection",
-  /** Connection and transport arrived, publisher Initialized */
-  Initialized = "Initialized",
-  // CreatingTracks = "creating_tracks",
-  ReadyToPublish = "ready_to_publish",
-  // WaitingToPublish = "waiting_to_publish",
-  Connected = "connected",
-  Disconnected = "disconnected",
-  Disconnecting = "disconnecting",
 }
 
-type LocalMemberRtcBackendState =
+export enum PublishState {
-  | { state: RTCBackendState.Error; error: ElementCallError }
+  WaitingForUser = "publish_waiting_for_user",
-  | { state: RTCBackendState.WaitingForTransport }
+  /** Implies lk connection is connected */
-  | { state: RTCBackendState.WaitingForConnection }
+  Starting = "publish_start_publishing",
-  | { state: RTCBackendState.Initialized }
+  /** Implies lk connection is connected */
-  // | { state: RTCBackendState.CreatingTracks }
+  Publishing = "publish_publishing",
-  | { state: RTCBackendState.ReadyToPublish }
-  // | { state: RTCBackendState.WaitingToPublish }
-  | { state: RTCBackendState.Connected }
-  | { state: RTCBackendState.Disconnected }
-  | { state: RTCBackendState.Disconnecting };
-
-export enum MatrixState {
-  WaitingForTransport = "waiting_for_transport",
-  Ready = "ready",
-  Connecting = "connecting",
-  Connected = "connected",
-  Disconnected = "disconnected",
-  Error = "Error",
 }
 
-type LocalMemberMatrixState =
+export enum TrackState {
-  | { state: MatrixState.Connected }
+  /** The track is waiting for user input to create tracks (waiting to call `startTracks()`) */
-  | { state: MatrixState.WaitingForTransport }
+  WaitingForUser = "tracks_waiting_for_user",
-  | { state: MatrixState.Ready }
+  /** Implies lk connection is connected */
-  | { state: MatrixState.Connecting }
+  Creating = "tracks_creating",
-  | { state: MatrixState.Disconnected }
+  /** Implies lk connection is connected */
-  | { state: MatrixState.Error; error: Error };
+  Ready = "tracks_ready",
-
-export interface LocalMemberConnectionState {
-  livekit$: Behavior<LocalMemberRtcBackendState>;
-  matrix$: Behavior<LocalMemberMatrixState>;
 }
 
+export type LocalMemberMediaState =
+  | {
+      tracks: TrackState;
+      connection: ConnectionState | FailedToStartError;
+    }
+  | PublishState
+  | ElementCallError;
+export type LocalMemberState =
+  | ElementCallError
+  | TransportState.Waiting
+  | {
+      media: LocalMemberMediaState;
+      matrix: ElementCallError | RTCSessionStatus;
+    };
+
 /*
  * - get well known
  * - get oldest membership
@@ -124,8 +118,8 @@ interface Props {
   muteStates: MuteStates;
   connectionManager: IConnectionManager;
   createPublisherFactory: (connection: Connection) => Publisher;
-  joinMatrixRTC: (transport: LivekitTransport) => Promise<void>;
+  joinMatrixRTC: (transport: LivekitTransport) => void;
-  homeserverConnected$: Behavior<boolean>;
+  homeserverConnected: HomeserverConnected;
   localTransport$: Behavior<LivekitTransport | null>;
   matrixRTCSession: Pick<
     MatrixRTCSession,
@@ -151,7 +145,7 @@ export const createLocalMembership$ = ({
   scope,
   connectionManager,
   localTransport$: localTransportCanThrow$,
-  homeserverConnected$,
+  homeserverConnected,
   createPublisherFactory,
   joinMatrixRTC,
   logger: parentLogger,
@@ -159,16 +153,16 @@ export const createLocalMembership$ = ({
   matrixRTCSession,
 }: Props): {
   /**
-   * This starts audio and video tracks. They will be reused when calling `requestConnect`.
+   * This starts audio and video tracks. They will be reused when calling `requestPublish`.
    */
   startTracks: () => Behavior<void>;
   /**
-   * This sets a inner state (shouldConnect) to true and instructs the js-sdk and livekit to keep the user
+   * This sets a inner state (shouldPublish) to true and instructs the js-sdk and livekit to keep the user
    * connected to matrix and livekit.
    */
-  requestConnect: () => void;
+  requestJoinAndPublish: () => void;
   requestDisconnect: () => void;
-  connectionState: LocalMemberConnectionState;
+  localMemberState$: Behavior<LocalMemberState>;
   sharingScreen$: Behavior<boolean>;
   /**
    * Callback to toggle screen sharing. If null, screen sharing is not possible.
@@ -177,10 +171,14 @@ export const createLocalMembership$ = ({
   // tracks$: Behavior<LocalTrack[]>;
   participant$: Behavior<LocalParticipant | null>;
   connection$: Behavior<Connection | null>;
-  homeserverConnected$: Behavior<boolean>;
+  /** Shorthand for homeserverConnected.rtcSession === Status.Reconnecting
-  // this needs to be discussed
+   * Direct translation to the js-sdk membership manager connection `Status`.
-  /** @deprecated use state instead*/
+   */
   reconnecting$: Behavior<boolean>;
+  /** Shorthand for homeserverConnected.rtcSession === Status.Disconnected
+   * Direct translation to the js-sdk membership manager connection `Status`.
+   */
+  disconnected$: Behavior<boolean>;
 } => {
   const logger = parentLogger.getChild("[LocalMembership]");
   logger.debug(`Creating local membership..`);
@@ -199,7 +197,7 @@ export const createLocalMembership$ = ({
               : new Error("Unknown error from localTransport"),
           );
         }
-        setLivekitError(error);
+        setTransportError(error);
         return of(null);
       }),
     ),
@@ -246,74 +244,21 @@ export const createLocalMembership$ = ({
   mediaErrors$.pipe(scope.bind()).subscribe((error) => {
     if (error) {
       logger.error(`Failed to create local tracks:`, error);
-      // TODO is it fatal? Do we need to create a new Specialized Error?
       setMatrixError(
+      // TODO is it fatal? Do we need to create a new Specialized Error?
         new UnknownCallError(new Error(`Media device error: ${error}`)),
       );
     }
   });
-
-  const localConnectionState$ = localConnection$.pipe(
-    switchMap((connection) => (connection ? connection.state$ : of(null))),
-  );
-
-  // /**
-  //  * Whether we are "fully" connected to the call. Accounts for both the
-  //  * connection to the MatrixRTC session and the LiveKit publish connection.
-  //  */
-  const connected$ = scope.behavior(
-    and$(
-      homeserverConnected$.pipe(
-        tap((v) => logger.debug("matrix: Connected state changed", v)),
-      ),
-      localConnectionState$.pipe(
-        switchMap((state) => {
-          logger.debug("livekit: Connected state changed", state);
-          if (!state) return of(false);
-          if (state.state === "ConnectedToLkRoom") {
-            logger.debug(
-              "livekit: Connected state changed (inner livekitConnectionState$)",
-              state.livekitConnectionState$.value,
-            );
-            return state.livekitConnectionState$.pipe(
-              map((lkState) => lkState === ConnectionState.Connected),
-            );
-          }
-          return of(false);
-        }),
-      ),
-    ).pipe(tap((v) => logger.debug("combined: Connected state changed", v))),
-  );
-
   // MATRIX RELATED
 
-  // /**
-  //  * Whether we should tell the user that we're reconnecting to the call.
-  //  */
-  // DISCUSSION is there a better way to do this?
-  // sth that is more deriectly implied from the membership manager of the js sdk. (fromEvent(matrixRTCSession, Reconnecting)) ??? or similar
-  const reconnecting$ = scope.behavior(
-    connected$.pipe(
-      // We are reconnecting if we previously had some successful initial
-      // connection but are now disconnected
-      scan(
-        ({ connectedPreviously }, connectedNow) => ({
-          connectedPreviously: connectedPreviously || connectedNow,
-          reconnecting: connectedPreviously && !connectedNow,
-        }),
-        { connectedPreviously: false, reconnecting: false },
-      ),
-      map(({ reconnecting }) => reconnecting),
-    ),
-  );
-
   // This should be used in a combineLatest with publisher$ to connect.
   // to make it possible to call startTracks before the preferredTransport$ has resolved.
   const trackStartRequested = Promise.withResolvers<void>();
 
   // This should be used in a combineLatest with publisher$ to connect.
   // to make it possible to call startTracks before the preferredTransport$ has resolved.
-  const connectRequested$ = new BehaviorSubject(false);
+  const joinAndPublishRequested$ = new BehaviorSubject(false);
 
   /**
    * The publisher is stored in here an abstracts creating and publishing tracks.
@@ -334,13 +279,13 @@ export const createLocalMembership$ = ({
     return constant(undefined);
   };
 
-  const requestConnect = (): void => {
+  const requestJoinAndPublish = (): void => {
     trackStartRequested.resolve();
-    connectRequested$.next(true);
+    joinAndPublishRequested$.next(true);
   };
 
   const requestDisconnect = (): void => {
-    connectRequested$.next(false);
+    joinAndPublishRequested$.next(false);
   };
 
   // Take care of the publisher$
@@ -352,12 +297,14 @@ export const createLocalMembership$ = ({
   //  - overwrite current publisher
   scope.reconcile(localConnection$, async (connection) => {
     if (connection !== null) {
-      publisher$.next(createPublisherFactory(connection));
+      const publisher = createPublisherFactory(connection);
-    }
+      publisher$.next(publisher);
+      // Clean-up callback
       return Promise.resolve(async (): Promise<void> => {
-      await publisher$?.value?.stopPublishing();
+        await publisher.stopPublishing();
-      await publisher$?.value?.stopTracks();
+        publisher.stopTracks();
       });
+    }
   });
 
   // Use reconcile here to not run concurrent createAndSetupTracks calls
@@ -381,13 +328,24 @@ export const createLocalMembership$ = ({
 
   // Based on `connectRequested$` we start publishing tracks. (once they are there!)
   scope.reconcile(
-    scope.behavior(combineLatest([publisher$, connectRequested$])),
+    scope.behavior(
-    async ([publisher, shouldConnect]) => {
+      combineLatest([publisher$, tracks$, joinAndPublishRequested$]),
-      if (shouldConnect) {
+    ),
+    async ([publisher, tracks, shouldJoinAndPublish]) => {
+      if (shouldJoinAndPublish === publisher?.publishing$.value) return;
+      if (tracks.length !== 0 && shouldJoinAndPublish) {
         try {
           await publisher?.startPublishing();
         } catch (error) {
-          setLivekitError(error as ElementCallError);
+          const message =
+            error instanceof Error ? error.message : String(error);
+          setPublishError(new FailToStartLivekitConnection(message));
+        }
+      } else if (tracks.length !== 0 && !shouldJoinAndPublish) {
+        try {
+          await publisher?.stopPublishing();
+        } catch (error) {
+          setPublishError(new UnknownCallError(error as Error));
         }
       }
       // XXX Why is that?
@@ -401,15 +359,37 @@ export const createLocalMembership$ = ({
     },
   );
 
-  const fatalLivekitError$ = new BehaviorSubject<ElementCallError | null>(null);
+  // STATE COMPUTATION
-  const setLivekitError = (e: ElementCallError): void => {
+
-    if (fatalLivekitError$.value !== null)
+  // These are non fatal since we can join a room and concume media even though publishing failed.
-      logger.error("Multiple Livkit Errors:", e);
+  const publishError$ = new BehaviorSubject<ElementCallError | null>(null);
-    else fatalLivekitError$.next(e);
+  const setPublishError = (e: ElementCallError): void => {
+    if (publishError$.value !== null) {
+      logger.error("Multiple Media Errors:", e);
+    } else {
+      publishError$.next(e);
+    }
   };
-  const livekitState$: Behavior<LocalMemberRtcBackendState> = scope.behavior(
+
+  const fatalTransportError$ = new BehaviorSubject<ElementCallError | null>(
+    null,
+  );
+
+  const setTransportError = (e: ElementCallError): void => {
+    if (fatalTransportError$.value !== null) {
+      logger.error("Multiple Transport Errors:", e);
+    } else {
+      fatalTransportError$.next(e);
+    }
+  };
+
+  const localConnectionState$ = localConnection$.pipe(
+    switchMap((connection) => (connection ? connection.state$ : of(null))),
+  );
+
+  const mediaState$: Behavior<LocalMemberMediaState> = scope.behavior(
     combineLatest([
-      publisher$,
+      localConnectionState$,
       localTransport$,
       // tracks$.pipe(
       //   tap((t) => {
@@ -418,104 +398,166 @@ export const createLocalMembership$ = ({
       // ),
       // publishing$,
       connectRequested$,
+      tracks$,
+      publishing$,
+      joinAndPublishRequested$,
       from(trackStartRequested.promise).pipe(
         map(() => true),
         startWith(false),
       ),
-      fatalLivekitError$,
     ]).pipe(
       map(
         ([
-          publisher,
+          localConnectionState,
           localTransport,
-          // tracks,
+          tracks,
-          // publishing,
+          publishing,
-          shouldConnect,
+          shouldPublish,
           shouldStartTracks,
-          error,
         ]) => {
-          // read this:
+          if (!localTransport) return null;
-          // if(!<A>) return {state: ...}
+          const hasTracks = tracks.length > 0;
-          // if(!<B>) return {state: <MyState>}
+          let trackState: TrackState = TrackState.WaitingForUser;
-          //
+          if (hasTracks && shouldStartTracks) trackState = TrackState.Ready;
-          // as:
+          if (!hasTracks && shouldStartTracks) trackState = TrackState.Creating;
-          // We do have <A> but not yet <B> so we are in <MyState>
+
-          if (error !== null) return { state: RTCBackendState.Error, error };
+          if (
-          // const hasTracks = tracks.length > 0;
+            localConnectionState !== ConnectionState.LivekitConnected ||
-          if (!localTransport)
+            trackState !== TrackState.Ready
-            return { state: RTCBackendState.WaitingForTransport };
+          )
-          if (!publisher)
+            return {
-            return { state: RTCBackendState.WaitingForConnection };
+              connection: localConnectionState,
-          if (!shouldStartTracks) return { state: RTCBackendState.Initialized };
+              tracks: trackState,
-          // if (!hasTracks) return { state: RTCBackendState.CreatingTracks };
+            };
-          if (!shouldConnect) return { state: RTCBackendState.ReadyToPublish };
+          if (!shouldPublish) return PublishState.WaitingForUser;
-          // if (!publishing) return { state: RTCBackendState.WaitingToPublish };
+          if (!publishing) return PublishState.Starting;
-          return { state: RTCBackendState.Connected };
+          return PublishState.Publishing;
         },
       ),
       distinctUntilChanged(deepCompare),
     ),
   );
-
   const fatalMatrixError$ = new BehaviorSubject<ElementCallError | null>(null);
   const setMatrixError = (e: ElementCallError): void => {
-    if (fatalMatrixError$.value !== null)
+    if (fatalMatrixError$.value !== null) {
       logger.error("Multiple Matrix Errors:", e);
-    else fatalMatrixError$.next(e);
+    } else {
+      fatalMatrixError$.next(e);
+    }
   };
-  const matrixState$: Behavior<LocalMemberMatrixState> = scope.behavior(
+
+  const localMemberState$ = scope.behavior<LocalMemberState>(
     combineLatest([
-      localTransport$,
+      mediaState$,
-      connectRequested$,
+      homeserverConnected.rtsSession$,
-      homeserverConnected$,
+      fatalMatrixError$,
+      fatalTransportError$,
+      publishError$,
     ]).pipe(
-      map(([localTransport, connectRequested, homeserverConnected]) => {
+      map(
-        if (!localTransport) return { state: MatrixState.WaitingForTransport };
+        ([
-        if (!connectRequested) return { state: MatrixState.Ready };
+          mediaState,
-        if (!homeserverConnected) return { state: MatrixState.Connecting };
+          rtcSessionStatus,
-        return { state: MatrixState.Connected };
+          fatalMatrixError,
-      }),
+          fatalTransportError,
+          publishError,
+        ]) => {
+          if (fatalTransportError !== null) return fatalTransportError;
+          // `mediaState` will be 'null' until the transport/connection appears.
+          if (mediaState && rtcSessionStatus)
+            return {
+              matrix: fatalMatrixError ?? rtcSessionStatus,
+              media: publishError ?? mediaState,
+            };
+          return TransportState.Waiting;
+        },
+      ),
     ),
   );
 
-  // Keep matrix rtc session in sync with localTransport$, connectRequested$ and muteStates.video.enabled$
+  /**
+   * Whether we are "fully" connected to the call. Accounts for both the
+   * connection to the MatrixRTC session and the LiveKit publish connection.
+   */
+  const matrixAndLivekitConnected$ = scope.behavior(
+    and$(
+      homeserverConnected.combined$,
+      localConnectionState$.pipe(
+        map((state) => state === ConnectionState.LivekitConnected),
+      ),
+    ).pipe(
+      tap((v) => logger.debug("livekit+matrix: Connected state changed", v)),
+    ),
+  );
+
+  /**
+   * Whether we should tell the user that we're reconnecting to the call.
+   */
+  const reconnecting$ = scope.behavior(
+    matrixAndLivekitConnected$.pipe(
+      pairwise(),
+      map(([prev, current]) => prev === true && current === false),
+    ),
+    false,
+  );
+
+  // inform the widget about the connect and disconnect intent from the user.
+  scope
+    .behavior(joinAndPublishRequested$.pipe(pairwise(), scope.bind()), [
+      undefined,
+      joinAndPublishRequested$.value,
+    ])
+    .subscribe(([prev, current]) => {
+      if (!widget) return;
+      // JOIN prev=false (was left) => current-true (now joiend)
+      if (!prev && current) {
+        widget.api.transport
+          .send(ElementWidgetActions.JoinCall, {})
+          .catch((e) => {
+            logger.error("Failed to send join action", e);
+          });
+      }
+      // LEAVE prev=false (was joined) => current-true (now left)
+      if (prev && !current) {
+        widget.api.transport
+          .send(ElementWidgetActions.HangupCall, {})
+          .catch((e) => {
+            logger.error("Failed to send hangup action", e);
+          });
+      }
+    });
+
+  combineLatest([muteStates.video.enabled$, homeserverConnected.combined$])
+    .pipe(scope.bind())
+    .subscribe(([videoEnabled, connected]) => {
+      if (!connected) return;
+      void matrixRTCSession.updateCallIntent(videoEnabled ? "video" : "audio");
+    });
+
+  // Keep matrix rtc session in sync with localTransport$, connectRequested$
   scope.reconcile(
-    scope.behavior(combineLatest([localTransport$, connectRequested$])),
+    scope.behavior(combineLatest([localTransport$, joinAndPublishRequested$])),
     async ([transport, shouldConnect]) => {
+      if (!transport) return;
+      // if shouldConnect=false we will do the disconnect as the cleanup from the previous reconcile iteration.
       if (!shouldConnect) return;
 
-      if (!transport) return;
       try {
-        await joinMatrixRTC(transport);
+        joinMatrixRTC(transport);
       } catch (error) {
         logger.error("Error entering RTC session", error);
         if (error instanceof Error)
           setMatrixError(new MembershipManagerError(error));
       }
 
-      // Update our member event when our mute state changes.
+      return Promise.resolve(async (): Promise<void> => {
-      const callIntentScope = new ObservableScope();
-      // because this uses its own scope, we can start another reconciliation for the duration of one connection.
-      callIntentScope.reconcile(
-        muteStates.video.enabled$,
-        async (videoEnabled) =>
-          matrixRTCSession.updateCallIntent(videoEnabled ? "video" : "audio"),
-      );
-
-      return async (): Promise<void> => {
-        callIntentScope.end();
         try {
-          // Update matrixRTCSession to allow udpating the transport without leaving the session!
+          // TODO Update matrixRTCSession to allow udpating the transport without leaving the session!
-          await matrixRTCSession.leaveRoomSession();
+          await matrixRTCSession.leaveRoomSession(1000);
         } catch (e) {
           logger.error("Error leaving RTC session", e);
         }
-        try {
+      });
-          await widget?.api.transport.send(ElementWidgetActions.HangupCall, {});
-        } catch (e) {
-          logger.error("Failed to send hangup action", e);
-        }
-      };
     },
   );
 
@@ -530,7 +572,7 @@ export const createLocalMembership$ = ({
   // pause tracks during the initial joining sequence too until we're sure
   // that our own media is displayed on screen.
   // TODO refactor this based no livekitState$
-  combineLatest([participant$, homeserverConnected$])
+  combineLatest([participant$, homeserverConnected.combined$])
     .pipe(scope.bind())
     .subscribe(([participant, connected]) => {
       if (!participant) return;
@@ -615,16 +657,17 @@ export const createLocalMembership$ = ({
 
   return {
     startTracks,
-    requestConnect,
+    requestJoinAndPublish,
     requestDisconnect,
-    connectionState: {
+    localMemberState$,
-      livekit$: livekitState$,
+    tracks$,
-      matrix$: matrixState$,
-    },
-    // tracks$,
     participant$,
-    homeserverConnected$,
     reconnecting$,
+    disconnected$: scope.behavior(
+      homeserverConnected.rtsSession$.pipe(
+        map((state) => state === RTCSessionStatus.Disconnected),
+      ),
+    ),
     sharingScreen$,
     toggleScreenSharing,
     connection$: localConnection$,
@@ -659,11 +702,11 @@ interface EnterRTCSessionOptions {
  * @throws If the widget could not send ElementWidgetActions.JoinCall action.
  */
 // Exported for unit testing
-export async function enterRTCSession(
+export function enterRTCSession(
   rtcSession: MatrixRTCSession,
   transport: LivekitTransport,
   { encryptMedia, matrixRTCMode }: EnterRTCSessionOptions,
-): Promise<void> {
+): void {
   PosthogAnalytics.instance.eventCallEnded.cacheStartCall(new Date());
   PosthogAnalytics.instance.eventCallStarted.track(rtcSession.room.roomId);
 
@@ -702,7 +745,4 @@ export async function enterRTCSession(
       unstableSendStickyEvents: matrixRTCMode === MatrixRTCMode.Matrix_2_0,
     },
   );
-  if (widget) {
-    await widget.api.transport.send(ElementWidgetActions.JoinCall, {});
-  }
 }

src/state/CallViewModel/localMember/LocalTransport.ts

@@ -85,7 +85,7 @@ export const createLocalTransport$ = ({
    * The transport that we would personally prefer to publish on (if not for the
    * transport preferences of others, perhaps).
    *
-   * @throws
+   * @throws MatrixRTCTransportMissingError | FailToGetOpenIdToken
    */
   const preferredTransport$: Behavior<LivekitTransport | null> = scope.behavior(
     customLivekitUrl.value$.pipe(

src/state/CallViewModel/remoteMembers/Connection.test.ts

@@ -30,13 +30,16 @@ import { logger } from "matrix-js-sdk/lib/logger";
 import type { LivekitTransport } from "matrix-js-sdk/lib/matrixrtc";
 import {
   Connection,
+  ConnectionState,
   type ConnectionOpts,
-  type ConnectionState,
   type PublishingParticipant,
 } from "./Connection.ts";
 import { ObservableScope } from "../../ObservableScope.ts";
 import { type OpenIDClientParts } from "../../../livekit/openIDSFU.ts";
-import { FailToGetOpenIdToken } from "../../../utils/errors.ts";
+import {
+  ElementCallError,
+  FailToGetOpenIdToken,
+} from "../../../utils/errors.ts";
 
 let testScope: ObservableScope;
 
@@ -47,11 +50,6 @@ let fakeLivekitRoom: MockedObject<LivekitRoom>;
 let localParticipantEventEmiter: EventEmitter;
 let fakeLocalParticipant: MockedObject<LocalParticipant>;
 
-let fakeRoomEventEmiter: EventEmitter;
-// let fakeMembershipsFocusMap$: BehaviorSubject<
-//   { membership: CallMembership; transport: LivekitTransport }[]
-// >;
-
 const livekitFocus: LivekitTransport = {
   livekit_alias: "!roomID:example.org",
   livekit_service_url: "https://matrix-rtc.example.org/livekit/jwt",
@@ -88,22 +86,25 @@ function setupTest(): void {
       localParticipantEventEmiter,
     ),
   } as unknown as LocalParticipant);
-  fakeRoomEventEmiter = new EventEmitter();
 
+  const fakeRoomEventEmitter = new EventEmitter();
   fakeLivekitRoom = vi.mocked<LivekitRoom>({
     connect: vi.fn(),
     disconnect: vi.fn(),
     remoteParticipants: new Map(),
     localParticipant: fakeLocalParticipant,
     state: LivekitConnectionState.Disconnected,
-    on: fakeRoomEventEmiter.on.bind(fakeRoomEventEmiter),
+    on: fakeRoomEventEmitter.on.bind(fakeRoomEventEmitter),
-    off: fakeRoomEventEmiter.off.bind(fakeRoomEventEmiter),
+    off: fakeRoomEventEmitter.off.bind(fakeRoomEventEmitter),
-    addListener: fakeRoomEventEmiter.addListener.bind(fakeRoomEventEmiter),
+    addListener: fakeRoomEventEmitter.addListener.bind(fakeRoomEventEmitter),
     removeListener:
-      fakeRoomEventEmiter.removeListener.bind(fakeRoomEventEmiter),
+      fakeRoomEventEmitter.removeListener.bind(fakeRoomEventEmitter),
     removeAllListeners:
-      fakeRoomEventEmiter.removeAllListeners.bind(fakeRoomEventEmiter),
+      fakeRoomEventEmitter.removeAllListeners.bind(fakeRoomEventEmitter),
     setE2EEEnabled: vi.fn().mockResolvedValue(undefined),
+    emit: (eventName: string | symbol, ...args: unknown[]) => {
+      fakeRoomEventEmitter.emit(eventName, ...args);
+    },
   } as unknown as LivekitRoom);
 }
 
@@ -125,7 +126,16 @@ function setupRemoteConnection(): Connection {
     };
   });
 
-  fakeLivekitRoom.connect.mockResolvedValue(undefined);
+  fakeLivekitRoom.connect.mockImplementation(async (): Promise<void> => {
+    const changeEv = RoomEvent.ConnectionStateChanged;
+
+    fakeLivekitRoom.state = LivekitConnectionState.Connecting;
+    fakeLivekitRoom.emit(changeEv, fakeLivekitRoom.state);
+    fakeLivekitRoom.state = LivekitConnectionState.Connected;
+    fakeLivekitRoom.emit(changeEv, fakeLivekitRoom.state);
+
+    return Promise.resolve();
+  });
 
   return new Connection(opts, logger);
 }
@@ -148,7 +158,7 @@ describe("Start connection states", () => {
     };
     const connection = new Connection(opts, logger);
 
-    expect(connection.state$.getValue().state).toEqual("Initialized");
+    expect(connection.state$.getValue()).toEqual("Initialized");
   });
 
   it("fail to getOpenId token then error state", async () => {
@@ -164,7 +174,7 @@ describe("Start connection states", () => {
 
     const connection = new Connection(opts, logger);
 
-    const capturedStates: ConnectionState[] = [];
+    const capturedStates: (ConnectionState | Error)[] = [];
     const s = connection.state$.subscribe((value) => {
       capturedStates.push(value);
     });
@@ -184,22 +194,20 @@ describe("Start connection states", () => {
 
     let capturedState = capturedStates.pop();
     expect(capturedState).toBeDefined();
-    expect(capturedState!.state).toEqual("FetchingConfig");
+    expect(capturedState!).toEqual("FetchingConfig");
 
     deferred.reject(new FailToGetOpenIdToken(new Error("Failed to get token")));
 
     await vi.runAllTimersAsync();
 
     capturedState = capturedStates.pop();
-    if (capturedState!.state === "FailedToStart") {
+    if (capturedState instanceof Error) {
-      expect(capturedState!.error.message).toEqual("Something went wrong");
+      expect(capturedState.message).toEqual("Something went wrong");
       expect(connection.transport.livekit_alias).toEqual(
         livekitFocus.livekit_alias,
       );
     } else {
-      expect.fail(
+      expect.fail("Expected FailedToStart state but got " + capturedState);
-        "Expected FailedToStart state but got " + capturedState?.state,
-      );
     }
   });
 
@@ -216,7 +224,7 @@ describe("Start connection states", () => {
 
     const connection = new Connection(opts, logger);
 
-    const capturedStates: ConnectionState[] = [];
+    const capturedStates: (ConnectionState | Error)[] = [];
     const s = connection.state$.subscribe((value) => {
       capturedStates.push(value);
     });
@@ -238,24 +246,25 @@ describe("Start connection states", () => {
 
     let capturedState = capturedStates.pop();
     expect(capturedState).toBeDefined();
-    expect(capturedState?.state).toEqual("FetchingConfig");
+    expect(capturedState).toEqual(ConnectionState.FetchingConfig);
 
     deferredSFU.resolve();
     await vi.runAllTimersAsync();
 
     capturedState = capturedStates.pop();
 
-    if (capturedState?.state === "FailedToStart") {
+    if (
-      expect(capturedState?.error.message).toContain(
+      capturedState instanceof ElementCallError &&
+      capturedState.cause instanceof Error
+    ) {
+      expect(capturedState.cause.message).toContain(
         "SFU Config fetch failed with exception Error",
       );
       expect(connection.transport.livekit_alias).toEqual(
         livekitFocus.livekit_alias,
       );
     } else {
-      expect.fail(
+      expect.fail("Expected FailedToStart state but got " + capturedState);
-        "Expected FailedToStart state but got " + capturedState?.state,
-      );
     }
   });
 
@@ -272,7 +281,7 @@ describe("Start connection states", () => {
 
     const connection = new Connection(opts, logger);
 
-    const capturedStates: ConnectionState[] = [];
+    const capturedStates: (ConnectionState | Error)[] = [];
     const s = connection.state$.subscribe((value) => {
       capturedStates.push(value);
     });
@@ -302,15 +311,18 @@ describe("Start connection states", () => {
     let capturedState = capturedStates.pop();
     expect(capturedState).toBeDefined();
 
-    expect(capturedState?.state).toEqual("FetchingConfig");
+    expect(capturedState).toEqual(ConnectionState.FetchingConfig);
 
     deferredSFU.resolve();
     await vi.runAllTimersAsync();
 
     capturedState = capturedStates.pop();
 
-    if (capturedState && capturedState?.state === "FailedToStart") {
+    if (
-      expect(capturedState.error.message).toContain(
+      capturedState instanceof ElementCallError &&
+      capturedState.cause instanceof Error
+    ) {
+      expect(capturedState.cause.message).toContain(
         "Failed to connect to livekit",
       );
       expect(connection.transport.livekit_alias).toEqual(
@@ -329,7 +341,7 @@ describe("Start connection states", () => {
 
     const connection = setupRemoteConnection();
 
-    const capturedStates: ConnectionState[] = [];
+    const capturedStates: (ConnectionState | Error)[] = [];
     const s = connection.state$.subscribe((value) => {
       capturedStates.push(value);
     });
@@ -339,13 +351,15 @@ describe("Start connection states", () => {
     await vi.runAllTimersAsync();
 
     const initialState = capturedStates.shift();
-    expect(initialState?.state).toEqual("Initialized");
+    expect(initialState).toEqual(ConnectionState.Initialized);
     const fetchingState = capturedStates.shift();
-    expect(fetchingState?.state).toEqual("FetchingConfig");
+    expect(fetchingState).toEqual(ConnectionState.FetchingConfig);
+    const disconnectedState = capturedStates.shift();
+    expect(disconnectedState).toEqual(ConnectionState.LivekitDisconnected);
     const connectingState = capturedStates.shift();
-    expect(connectingState?.state).toEqual("ConnectingToLkRoom");
+    expect(connectingState).toEqual(ConnectionState.LivekitConnecting);
     const connectedState = capturedStates.shift();
-    expect(connectedState?.state).toEqual("ConnectedToLkRoom");
+    expect(connectedState).toEqual(ConnectionState.LivekitConnected);
   });
 
   it("shutting down the scope should stop the connection", async () => {
@@ -411,7 +425,7 @@ describe("Publishing participants observations", () => {
     );
 
     participants.forEach((p) =>
-      fakeRoomEventEmiter.emit(RoomEvent.ParticipantConnected, p),
+      fakeLivekitRoom.emit(RoomEvent.ParticipantConnected, p),
     );
 
     // At this point there should be no publishers
@@ -424,7 +438,7 @@ describe("Publishing participants observations", () => {
       fakeRemoteLivekitParticipant("@dan:example.org:DEV333", 2),
     ];
     participants.forEach((p) =>
-      fakeRoomEventEmiter.emit(RoomEvent.ParticipantConnected, p),
+      fakeLivekitRoom.emit(RoomEvent.ParticipantConnected, p),
     );
 
     // At this point there should be no publishers
@@ -454,7 +468,7 @@ describe("Publishing participants observations", () => {
     );
 
     for (const participant of participants) {
-      fakeRoomEventEmiter.emit(RoomEvent.ParticipantConnected, participant);
+      fakeLivekitRoom.emit(RoomEvent.ParticipantConnected, participant);
     }
 
     // At this point there should be no publishers
@@ -463,7 +477,7 @@ describe("Publishing participants observations", () => {
     participants = [fakeRemoteLivekitParticipant("@bob:example.org:DEV111", 1)];
 
     for (const participant of participants) {
-      fakeRoomEventEmiter.emit(RoomEvent.ParticipantConnected, participant);
+      fakeLivekitRoom.emit(RoomEvent.ParticipantConnected, participant);
     }
 
     // We should have bob has a publisher now
@@ -480,7 +494,7 @@ describe("Publishing participants observations", () => {
       (p) => p.identity !== "@bob:example.org:DEV111",
     );
 
-    fakeRoomEventEmiter.emit(
+    fakeLivekitRoom.emit(
       RoomEvent.ParticipantDisconnected,
       fakeRemoteLivekitParticipant("@bob:example.org:DEV111"),
     );

src/state/CallViewModel/remoteMembers/Connection.ts

@@ -12,7 +12,6 @@ import {
 } from "@livekit/components-core";
 import {
   ConnectionError,
-  type ConnectionState as LivekitConenctionState,
   type Room as LivekitRoom,
   type LocalParticipant,
   type RemoteParticipant,
@@ -30,8 +29,10 @@ import {
 import { type Behavior } from "../../Behavior.ts";
 import { type ObservableScope } from "../../ObservableScope.ts";
 import {
+  ElementCallError,
   InsufficientCapacityError,
   SFURoomCreationRestrictedError,
+  UnknownCallError,
 } from "../../../utils/errors.ts";
 
 export type PublishingParticipant = LocalParticipant | RemoteParticipant;
@@ -47,17 +48,30 @@ export interface ConnectionOpts {
   /** Optional factory to create the LiveKit room, mainly for testing purposes. */
   livekitRoomFactory: () => LivekitRoom;
 }
-
+export class FailedToStartError extends Error {
-export type ConnectionState =
+  public constructor(message: string) {
-  | { state: "Initialized" }
+    super(message);
-  | { state: "FetchingConfig" }
+    this.name = "FailedToStartError";
-  | { state: "ConnectingToLkRoom" }
+  }
-  | {
+}
-      state: "ConnectedToLkRoom";
+
-      livekitConnectionState$: Behavior<LivekitConenctionState>;
+export enum ConnectionState {
+  /** The start state of a connection. It has been created but nothing has loaded yet. */
+  Initialized = "Initialized",
+  /** `start` has been called on the connection. It aquires the jwt info to conenct to the LK Room  */
+  FetchingConfig = "FetchingConfig",
+  Stopped = "Stopped",
+  /** The same as ConnectionState.Disconnected from `livekit-client` */
+  LivekitDisconnected = "disconnected",
+  /** The same as ConnectionState.Connecting from `livekit-client` */
+  LivekitConnecting = "connecting",
+  /** The same as ConnectionState.Connected from `livekit-client` */
+  LivekitConnected = "connected",
+  /** The same as ConnectionState.Reconnecting from `livekit-client` */
+  LivekitReconnecting = "reconnecting",
+  /** The same as ConnectionState.SignalReconnecting from `livekit-client` */
+  LivekitSignalReconnecting = "signalReconnecting",
 }
-  | { state: "FailedToStart"; error: Error }
-  | { state: "Stopped" };
 
 /**
  * A connection to a Matrix RTC LiveKit backend.
@@ -66,14 +80,14 @@ export type ConnectionState =
  */
 export class Connection {
   // Private Behavior
-  private readonly _state$ = new BehaviorSubject<ConnectionState>({
+  private readonly _state$ = new BehaviorSubject<
-    state: "Initialized",
+    ConnectionState | ElementCallError
-  });
+  >(ConnectionState.Initialized);
 
   /**
    * The current state of the connection to the media transport.
    */
-  public readonly state$: Behavior<ConnectionState> = this._state$;
+  public readonly state$: Behavior<ConnectionState | Error> = this._state$;
 
   /**
    * The media transport to connect to.
@@ -117,16 +131,24 @@ export class Connection {
     this.logger.debug("Starting Connection");
     this.stopped = false;
     try {
-      this._state$.next({
+      this._state$.next(ConnectionState.FetchingConfig);
-        state: "FetchingConfig",
+      // We should already have this information after creating the localTransport.
-      });
+      // It would probably be better to forward this here.
       const { url, jwt } = await this.getSFUConfigWithOpenID();
       // If we were stopped while fetching the config, don't proceed to connect
       if (this.stopped) return;
 
-      this._state$.next({
+      // Setup observer once we are done with getSFUConfigWithOpenID
-        state: "ConnectingToLkRoom",
+      connectionStateObserver(this.livekitRoom)
+        .pipe(
+          this.scope.bind(),
+          map((s) => s as unknown as ConnectionState),
+        )
+        .subscribe((lkState) => {
+          // It is save to cast lkState to ConnectionState as they are fully overlapping.
+          this._state$.next(lkState);
         });
+
       try {
         await this.livekitRoom.connect(url, jwt);
       } catch (e) {
@@ -141,7 +163,8 @@ export class Connection {
             throw new InsufficientCapacityError();
           }
           if (e.status === 404) {
-            // error msg is "Could not establish signal connection: requested room does not exist"
+            // error msg is "Failed to create call"
+            // error description is "Call creation might be restricted to authorized users only. Try again later, or contact your server admin if the problem persists."
             // The room does not exist. There are two different modes of operation for the SFU:
             // - the room is created on the fly when connecting (livekit `auto_create` option)
             // - Only authorized users can create rooms, so the room must exist before connecting (done by the auth jwt service)
@@ -153,19 +176,16 @@ export class Connection {
       }
       // If we were stopped while connecting, don't proceed to update state.
       if (this.stopped) return;
-
-      this._state$.next({
-        state: "ConnectedToLkRoom",
-        livekitConnectionState$: this.scope.behavior(
-          connectionStateObserver(this.livekitRoom),
-        ),
-      });
     } catch (error) {
       this.logger.debug(`Failed to connect to LiveKit room: ${error}`);
-      this._state$.next({
+      this._state$.next(
-        state: "FailedToStart",
+        error instanceof ElementCallError
-        error: error instanceof Error ? error : new Error(`${error}`),
+          ? error
-      });
+          : error instanceof Error
+            ? new UnknownCallError(error)
+            : new UnknownCallError(new Error(`${error}`)),
+      );
+      // Its okay to ignore the throw. The error is part of the state.
       throw error;
     }
   }
@@ -190,9 +210,7 @@ export class Connection {
     );
     if (this.stopped) return;
     await this.livekitRoom.disconnect();
-    this._state$.next({
+    this._state$.next(ConnectionState.Stopped);
-      state: "Stopped",
-    });
     this.stopped = true;
   }
 

src/state/CallViewModel/remoteMembers/ConnectionManager.ts

@@ -10,7 +10,7 @@ import {
   type LivekitTransport,
   type ParticipantId,
 } from "matrix-js-sdk/lib/matrixrtc";
-import { BehaviorSubject, combineLatest, map, of, switchMap, tap } from "rxjs";
+import { combineLatest, map, of, switchMap, tap } from "rxjs";
 import { type Logger } from "matrix-js-sdk/lib/logger";
 import { type LocalParticipant, type RemoteParticipant } from "livekit-client";
 
@@ -60,11 +60,7 @@ export class ConnectionManagerData {
     transport: LivekitTransport,
   ): (LocalParticipant | RemoteParticipant)[] {
     const key = transport.livekit_service_url + "|" + transport.livekit_alias;
-    const existing = this.store.get(key);
+    return this.store.get(key)?.[1] ?? [];
-    if (existing) {
-      return existing[1];
-    }
-    return [];
   }
   /**
    * Get all connections where the given participant is publishing.
@@ -115,9 +111,6 @@ export function createConnectionManager$({
   logger: parentLogger,
 }: Props): IConnectionManager {
   const logger = parentLogger.getChild("[ConnectionManager]");
-
-  const running$ = new BehaviorSubject(true);
-  scope.onEnd(() => running$.next(false));
   // TODO logger: only construct one logger from the client and make it compatible via a EC specific sing
 
   /**
@@ -129,10 +122,7 @@ export function createConnectionManager$({
    * externally this is modified via `registerTransports()`.
    */
   const transports$ = scope.behavior(
-    combineLatest([running$, inputTransports$]).pipe(
+    inputTransports$.pipe(
-      map(([running, transports]) =>
-        transports.mapInner((transport) => (running ? transport : [])),
-      ),
       map((transports) => transports.mapInner(removeDuplicateTransports)),
       tap(({ value: transports }) => {
         logger.trace(

src/state/CallViewModel/remoteMembers/MatrixLivekitMembers.ts

@@ -108,7 +108,7 @@ export function createMatrixLivekitMembers$({
         // Each update where the key of the generator array do not change will result in updates to the `data$` observable in the factory.
         (scope, data$, participantId, userId) => {
           logger.debug(
-            `Updating data$ for participantId: ${participantId}, userId: ${userId}`,
+            `Generating member for participantId: ${participantId}, userId: ${userId}`,
           );
           // will only get called once per `participantId, userId` pair.
           // updates to data$ and as a result to displayName$ and mxcAvatarUrl$ are more frequent.

yarn.lock

@@ -3373,14 +3373,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@playwright/test@npm:^1.56.1":
+"@playwright/test@npm:^1.57.0":
-  version: 1.56.1
+  version: 1.57.0
-  resolution: "@playwright/test@npm:1.56.1"
+  resolution: "@playwright/test@npm:1.57.0"
   dependencies:
-    playwright: "npm:1.56.1"
+    playwright: "npm:1.57.0"
   bin:
     playwright: cli.js
-  checksum: 10c0/2b5b0e1f2e6a18f6e5ce6897c7440ca78f64e0b004834e9808e93ad2b78b96366b562ae4366602669cf8ad793a43d85481b58541e74be71e905e732d833dd691
+  checksum: 10c0/35ba4b28be72bf0a53e33dbb11c6cff848fb9a37f49e893ce63a90675b5291ec29a1ba82c8a3b043abaead129400f0589623e9ace2e6a1c8eaa409721ecc3774
   languageName: node
   linkType: hard
 
@@ -7492,7 +7492,7 @@ __metadata:
     "@opentelemetry/sdk-trace-base": "npm:^2.0.0"
     "@opentelemetry/sdk-trace-web": "npm:^2.0.0"
     "@opentelemetry/semantic-conventions": "npm:^1.25.1"
-    "@playwright/test": "npm:^1.56.1"
+    "@playwright/test": "npm:^1.57.0"
     "@radix-ui/react-dialog": "npm:^1.0.4"
     "@radix-ui/react-slider": "npm:^1.1.2"
     "@radix-ui/react-visually-hidden": "npm:^1.0.3"
@@ -10353,8 +10353,8 @@ __metadata:
   linkType: hard
 
 "matrix-js-sdk@npm:^39.2.0":
-  version: 39.2.0
+  version: 39.3.0
-  resolution: "matrix-js-sdk@npm:39.2.0"
+  resolution: "matrix-js-sdk@npm:39.3.0"
   dependencies:
     "@babel/runtime": "npm:^7.12.5"
     "@matrix-org/matrix-sdk-crypto-wasm": "npm:^15.3.0"
@@ -10370,7 +10370,7 @@ __metadata:
     sdp-transform: "npm:^3.0.0"
     unhomoglyph: "npm:^1.0.6"
     uuid: "npm:13"
-  checksum: 10c0/f8b5261de2744305330ba3952821ca9303698170bfd3a0ff8a767b9286d4e8d4ed5aaf6fbaf8a1e8ff9dbd859102a2a47d882787e2da3b3078965bec00157959
+  checksum: 10c0/031c9ec042e00c32dc531f82fc59c64cc25fb665abfc642b1f0765c530d60684f8bd63daf0cdd0dbe96b4f87ea3f4148f9d3f024a59d57eceaec1ce5d0164755
   languageName: node
   linkType: hard
 
@@ -11177,27 +11177,27 @@ __metadata:
   languageName: node
   linkType: hard
 
-"playwright-core@npm:1.56.1":
+"playwright-core@npm:1.57.0":
-  version: 1.56.1
+  version: 1.57.0
-  resolution: "playwright-core@npm:1.56.1"
+  resolution: "playwright-core@npm:1.57.0"
   bin:
     playwright-core: cli.js
-  checksum: 10c0/ffd40142b99c68678b387445d5b42f1fee4ab0b65d983058c37f342e5629f9cdbdac0506ea80a0dfd41a8f9f13345bad54e9a8c35826ef66dc765f4eb3db8da7
+  checksum: 10c0/798e35d83bf48419a8c73de20bb94d68be5dde68de23f95d80a0ebe401e3b83e29e3e84aea7894d67fa6c79d2d3d40cc5bcde3e166f657ce50987aaa2421b6a9
   languageName: node
   linkType: hard
 
-"playwright@npm:1.56.1":
+"playwright@npm:1.57.0":
-  version: 1.56.1
+  version: 1.57.0
-  resolution: "playwright@npm:1.56.1"
+  resolution: "playwright@npm:1.57.0"
   dependencies:
     fsevents: "npm:2.3.2"
-    playwright-core: "npm:1.56.1"
+    playwright-core: "npm:1.57.0"
   dependenciesMeta:
     fsevents:
       optional: true
   bin:
     playwright: cli.js
-  checksum: 10c0/8e9965aede86df0f4722063385748498977b219630a40a10d1b82b8bd8d4d4e9b6b65ecbfa024331a30800163161aca292fb6dd7446c531a1ad25f4155625ab4
+  checksum: 10c0/ab03c99a67b835bdea9059f516ad3b6e42c21025f9adaa161a4ef6bc7ca716dcba476d287140bb240d06126eb23f889a8933b8f5f1f1a56b80659d92d1358899
   languageName: node
   linkType: hard