fix whoopsie

* add wait for pickup overlay

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

* refactor and leave logic

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

* recursive play sound logic

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

* review

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

* text color

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

* overlay styling and interval fixes

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

* fix permissions and styling

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

* fix always getting pickup sound

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

* Add sound effects for declined,timeout and ringtone

* better ringtone

* Integrate sounds

* Ensure leave sound does not play

* Remove unused blocked sound

* fix test

* Improve tests

* Loop ring sound inside Audio context for better perf.

* lint

* better ringtone

* Update to delay ringtone logic.

* lint + fix test

* Tidy up ring sync and add comments.

* lint

* Refactor onLeave to take a sound so we don't need to repeat the sound

* fix import

---------

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

.eslintrc.cjs

@@ -28,8 +28,6 @@ module.exports = {
   rules: {
     "matrix-org/require-copyright-header": ["error", COPYRIGHT_HEADER],
     "jsx-a11y/media-has-caption": "off",
-    // We should use the js-sdk logger, never console directly.
-    "no-console": ["error"],
     "react/display-name": "error",
     // Encourage proper usage of Promises:
     "@typescript-eslint/no-floating-promises": "error",
@@ -46,6 +44,15 @@ module.exports = {
     "rxjs/no-exposed-subjects": "error",
     "rxjs/finnish": ["error", { names: { "^this$": false } }],
   },
+  overrides: [
+    {
+      files: ["src/*/**"],
+      rules: {
+        // In application code we should use the js-sdk logger, never console directly.
+        "no-console": ["error"],
+      },
+    },
+  ],
   settings: {
     react: {
       version: "detect",

README.md

@@ -143,7 +143,8 @@ via the `org.matrix.msc4143.rtc_foci` key, e.g.:
 where the format for MatrixRTC using LiveKit backend is defined in
 [MSC4195](https://github.com/hughns/matrix-spec-proposals/blob/hughns/matrixrtc-livekit/proposals/4195-matrixrtc-livekit.md).
 In the example above Matrix clients do discover a focus of type `livekit` which
-points them to a Matrix LiveKit JWT Auth Service via `livekit_service_url`.
+points them to a [MatrixRTC Authorization Service](https://github.com/element-hq/lk-jwt-service)
+via `livekit_service_url`.
 
 ### Backend Selection
 
@@ -154,9 +155,9 @@ points them to a Matrix LiveKit JWT Auth Service via `livekit_service_url`.
   the **first participant who joined the call** defines via the `foci_preferred`
   key in their `org.matrix.msc3401.call.member` which actual MatrixRTC backend
   will be used for this call.
-- During the actual call join flow, the **LiveKit JWT Auth Service** provides
-  the client with the **LiveKit SFU WebSocket URL** and an **access JWT token**
-  in order to exchange media via WebRTC.
+- During the actual call join flow, the **[MatrixRTC Authorization Service](https://github.com/element-hq/lk-jwt-service)**
+  provides the client with the **LiveKit SFU WebSocket URL** and an
+  **access JWT token** in order to exchange media via WebRTC.
 
 The example below illustrates how backend selection works across **Matrix
 federation**, using the setup from sites A, B, and C. It demonstrates backend
@@ -208,7 +209,7 @@ A docker compose file `dev-backend-docker-compose.yml` is provided to start the
 whole stack of components which is required for a local development environment:
 
 - Minimum Synapse Setup (servername: `synapse.m.localhost`)
-- LiveKit Authorization Service (Note requires Federation API and hence a TLS reverse proxy)
+- MatrixRTC Authorization Service (Note requires Federation API and hence a TLS reverse proxy)
 - Minimum LiveKit SFU Setup using dev defaults for config
 - Redis db for completeness
 - Minimum `localhost` Certificate Authority (CA) for Transport Layer Security (TLS)

dev-backend-docker-compose.yml

@@ -26,6 +26,7 @@ services:
 
   livekit:
     image: livekit/livekit-server:latest
+    pull_policy: always
     hostname: livekit-sfu
     command: --dev --config /etc/livekit.yaml
     restart: unless-stopped
@@ -45,6 +46,7 @@ services:
 
   redis:
     image: redis:6-alpine
+    pull_policy: always
     command: redis-server /etc/redis.conf
     ports:
       # HOST_PORT:CONTAINER_PORT
@@ -57,6 +59,7 @@ services:
   synapse:
     hostname: homeserver
     image: docker.io/matrixdotorg/synapse:latest
+    pull_policy: always
     environment:
       - SYNAPSE_CONFIG_PATH=/data/cfg/homeserver.yaml
       # Needed for rootless podman-compose such that the uid/gid mapping does
@@ -87,6 +90,7 @@ services:
     #  see backend/dev_tls_setup for how to generate the tls certs
     hostname: synapse.m.localhost
     image: nginx:latest
+    pull_policy: always
     volumes:
       - ./backend/dev_nginx.conf:/etc/nginx/conf.d/default.conf:Z
       - ./backend/dev_tls_m.localhost.key:/root/ssl/key.pem:Z

docs/self-hosting.md

@@ -64,7 +64,7 @@ rc_delayed_event_mgmt:
 ```
 
 As a prerequisite for the
-[Matrix LiveKit JWT auth service](https://github.com/element-hq/lk-jwt-service)
+[MatrixRTC Authorization Service](https://github.com/element-hq/lk-jwt-service)
 make sure that your Synapse server has either a `federation` or `openid`
 [listener configured](https://element-hq.github.io/synapse/latest/usage/configuration/config_documentation.html#listeners).
 
@@ -77,7 +77,7 @@ required for each site deployment.
 
 As depicted above in the `example.com` site deployment, Element Call requires a
 [Livekit SFU](https://github.com/livekit/livekit) alongside a
-[Matrix Livekit JWT auth service](https://github.com/element-hq/lk-jwt-service)
+[MatrixRTC Authorization Service](https://github.com/element-hq/lk-jwt-service)
 to implement
 [MSC4195: MatrixRTC using LiveKit backend](https://github.com/hughns/matrix-spec-proposals/blob/hughns/matrixrtc-livekit/proposals/4195-matrixrtc-livekit.md).
 
@@ -89,7 +89,7 @@ the example above, this results in:
 | Service | Endpoint | Example |
 | -------- | ------- | ------- |
 | [Livekit SFU](https://github.com/livekit/livekit) WebSocket signalling connection | `/livekit/sfu` | `matrix-rtc.example.com/livekit/sfu` |
-| [Matrix Livekit JWT auth service](https://github.com/element-hq/lk-jwt-service) | `/livekit/jwt` | `matrix-rtc.example.com/livekit/jwt` |
+| [MatrixRTC Authorization Service](https://github.com/element-hq/lk-jwt-service) | `/livekit/jwt` | `matrix-rtc.example.com/livekit/jwt` |
 
 Using Nginx, you can achieve this by:
 
@@ -102,7 +102,7 @@ server {
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
       proxy_set_header X-Forwarded-Proto $scheme;
 
-      # JWT Service running at port 8080
+      # MatrixRTC Authorization Service running at port 8080
       proxy_pass http://localhost:8080/;
     }
 
@@ -126,6 +126,32 @@ server {
 }
 ```
 
+Or Using Caddy, you can achieve this by:
+
+```caddy configuration file
+# Route for lk-jwt-service with livekit/jwt prefix
+@jwt_service path /livekit/jwt/sfu/get /livekit/jwt/healthz
+handle @jwt_service {
+  uri strip_prefix /livekit/jwt
+  reverse_proxy http://[::1]:8080 {
+    header_up Host {host}
+    header_up X-Forwarded-Server {host}
+    header_up X-Real-IP {remote_addr}
+    header_up X-Forwarded-For {remote_addr}
+  }
+}
+
+# Default route for livekit
+handle {
+  reverse_proxy http://localhost:7880 {
+    header_up Host {host}
+    header_up X-Forwarded-Server {host}
+    header_up X-Real-IP {remote_addr}
+    header_up X-Forwarded-For {remote_addr}
+  }
+}
+```
+
 #### MatrixRTC backend announcement
 
 > [!IMPORTANT]
@@ -214,7 +240,7 @@ server {
 There are currently two different config files. `.env` holds variables that are
 used at build time, while `public/config.json` holds variables that are used at
 runtime. Documentation and default values for `public/config.json` can be found
-in [ConfigOptions.ts](src/config/ConfigOptions.ts).
+in [ConfigOptions.ts](../src/config/ConfigOptions.ts).
 
 > [!CAUTION]
 > Please note configuring MatrixRTC backend via `config.json` of

docs/url-params.md

@@ -70,6 +70,8 @@ These parameters are relevant to both [widget](./embedded-standalone.md) and [st
 | `theme`                                                 | One of: `light`, `dark`, `light-high-contrast`, `dark-high-contrast`                                 | No, defaults to `dark`                                                                            | No, defaults to `dark`       | UI theme to use.                                                                                                                                                                                                                                                                                                                                                                                    |
 | `viaServers`                                            | Comma separated list of [Matrix Server Names](https://spec.matrix.org/v1.12/appendices/#server-name) | Not applicable                                                                                    | No                           | Homeserver for joining a room, non-empty value required for rooms not on the user’s default homeserver.                                                                                                                                                                                                                                                                                             |
 | `sendNotificationType`                                  | `ring` or `notification`                                                                             | No                                                                                                | No                           | Will send a "ring" or "notification" `m.rtc.notification` event if the user is the first one in the call.                                                                                                                                                                                                                                                                                           |
+| `autoLeaveWhenOthersLeft`                               | `true` or `false`                                                                                    | No, defaults to `false`                                                                           | No, defaults to `false`      | Whether the app should automatically leave the call when there is no one left in the call.                                                                                                                                                                                                                                                                                                          |
+| `waitForCallPickup`                                     | `true` or `false`                                                                                    | No, defaults to `false`                                                                           | No, defaults to `false`      | When sending a notification, show UI that the app is awaiting an answer, play a dial tone, and (in widget mode) auto-close the widget once the notification expires.                                                                                                                                                                                                                                |
 
 ### Widget-only parameters
 

i18next-parser.config.ts

@@ -1,4 +1,6 @@
-export default {
+import type { UserConfig } from "i18next-parser";
+
+const config: UserConfig = {
   keySeparator: ".",
   namespaceSeparator: false,
   contextSeparator: "|",
@@ -26,3 +28,5 @@ export default {
   input: ["src/**/*.{ts,tsx}"],
   sort: true,
 };
+
+export default config;

knip.ts

@@ -1,8 +1,15 @@
-import { KnipConfig } from "knip";
+/*
+Copyright 2025 New Vector Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
+
+import { type KnipConfig } from "knip";
 
 export default {
   vite: {
-    config: ["vite.config.js", "vite-embedded.config.js"],
+    config: ["vite.config.ts", "vite-embedded.config.ts"],
   },
   entry: ["src/main.tsx", "i18next-parser.config.ts"],
   ignoreBinaries: [

locales/cs/app.json

@@ -82,7 +82,7 @@
   "error": {
     "call_is_not_supported": "Volání není podporováno",
     "call_not_found": "Volání nebylo nalezeno",
-    "call_not_found_description": "<0>Zdá se, že tento odkaz nepatří k žádnému existujícímu volání. Zkontrolujte, zda máte správný odkaz, nebo <1>vytvořte nový</1>.</0>",
+    "call_not_found_description": "<0>Zdá se, že tento odkaz nepatří k žádnému existujícímu hovoru. Zkontrolujte, zda máte správný odkaz, nebo<2> vytvořte nový</2>.</0>",
     "connection_lost": "Spojení ztraceno",
     "connection_lost_description": "Hovor byl přerušen.",
     "e2ee_unsupported": "Nekompatibilní prohlížeč",
@@ -105,6 +105,11 @@
     "knock_reject_heading": "Přístup odepřen",
     "reason": "Důvod"
   },
+  "handset": {
+    "overlay_back_button": "Zpět do režimu reproduktoru",
+    "overlay_description": "Funguje pouze při používání aplikace",
+    "overlay_title": "Režim sluchátka"
+  },
   "hangup_button_label": "Ukončit hovor",
   "header_label": "Domov Element Call",
   "header_participants_label": "Účastníci",
@@ -177,6 +182,8 @@
       "change_device_button": "Změnit zvukové zařízení",
       "default": "Výchozí",
       "default_named": "Výchozí <2> ({{name}}) </2>",
+      "handset": "Sluchátko",
+      "loudspeaker": "Reproduktor",
       "microphone": "Mikrofon",
       "microphone_numbered": "Mikrofon {{n}}",
       "speaker": "Reproduktor",

locales/da/app.json

@@ -94,6 +94,8 @@
     "matrix_rtc_focus_missing": "Serveren er ikke konfigureret til at arbejde med {{brand}}{{domain}}. Kontakt venligst din serveradministrator (domæne:{{domain}}, fejlkode: {{ errorCode }}).",
     "open_elsewhere": "Åbnet i en anden fane",
     "open_elsewhere_description": "{{brand}} er blevet åbnet i en anden fane. Hvis det ikke lyder rigtigt, kan du prøve at genindlæse siden.",
+    "room_creation_restricted": "Kunne ikke oprette opkald",
+    "room_creation_restricted_description": "Oprettelse af opkald er muligvis begrænset til autoriserede brugere. Prøv igen senere, eller kontakt din serveradministrator, hvis problemet fortsætter.",
     "unexpected_ec_error": "Der opstod en uventet fejl (<0>Fejlkode:</0> <1> {{ errorCode }}</1>). Kontakt venligst din serveradministrator."
   },
   "group_call_loader": {
@@ -105,6 +107,11 @@
     "knock_reject_heading": "Adgang nægtet",
     "reason": "Årsag: {{reason}}"
   },
+  "handset": {
+    "overlay_back_button": "Tilbage til højttalertilstand",
+    "overlay_description": "Virker kun, når du bruger appen",
+    "overlay_title": "Telefon-højtaler"
+  },
   "hangup_button_label": "Afslut opkald",
   "header_label": "Element Ring hjem",
   "header_participants_label": "Deltagere",
@@ -176,6 +183,7 @@
       "change_device_button": "Skift lydenhed",
       "default": "Standard",
       "default_named": "Standard <2>({{name}})</2>",
+      "handset": "Telefon",
       "loudspeaker": "Højttaler",
       "microphone": "Mikrofon",
       "microphone_numbered": "Mikrofon {{n}}",

locales/de/app.json

@@ -55,6 +55,7 @@
     "profile": "Profil",
     "reaction": "Reaktion",
     "reactions": "Reaktionen",
+    "reconnecting": "Verbindung wird wiederhergestellt...",
     "settings": "Einstellungen",
     "unencrypted": "Nicht verschlüsselt",
     "username": "Benutzername",

locales/en/app.json

@@ -55,6 +55,7 @@
     "profile": "Profile",
     "reaction": "Reaction",
     "reactions": "Reactions",
+    "reconnecting": "Reconnecting…",
     "settings": "Settings",
     "unencrypted": "Not encrypted",
     "username": "Username",

locales/sv/app.json

@@ -82,7 +82,7 @@
   "error": {
     "call_is_not_supported": "Call stöds inte",
     "call_not_found": "Samtal hittades inte",
-    "call_not_found_description": "<0>Den länken verkar inte tillhöra något befintligt samtal. Kontrollera att du har rätt länk, eller <1>skapa en ny</1>.</0>",
+    "call_not_found_description": "<0>Den länken verkar inte tillhöra något befintligt samtal. Kontrollera att du har rätt länk, eller <2>skapa en ny</2>.</0>",
     "connection_lost": "Anslutning förlorad",
     "connection_lost_description": "Du kopplades bort från samtalet.",
     "e2ee_unsupported": "Inkompatibel webbläsare",
@@ -94,6 +94,8 @@
     "matrix_rtc_focus_missing": "Servern är inte konfigurerad för att fungera med {{brand}}. Vänligen kontakta serveradministratören (Domän: {{domain}}, Felkod: {{ errorCode }}).",
     "open_elsewhere": "Öppnades i en annan flik",
     "open_elsewhere_description": "{{brand}} har öppnats i en annan flik. Om det inte låter rätt, pröva att ladda om sidan.",
+    "room_creation_restricted": "Misslyckades att skapa samtal",
+    "room_creation_restricted_description": "Samtalsskapande kan vara begränsat till endast behöriga användare. Försök igen senare eller kontakta serveradministratören om problemet kvarstår.",
     "unexpected_ec_error": "Ett oväntat fel inträffade (<0>Felkod:</0> <1>{{ errorCode }}</1>). Kontakta din serveradministratör."
   },
   "group_call_loader": {
@@ -105,6 +107,11 @@
     "knock_reject_heading": "Inte tillåten att gå med",
     "reason": "Anledning"
   },
+  "handset": {
+    "overlay_back_button": "Tillbaka till högtalarläge",
+    "overlay_description": "Fungerar bara när appen används",
+    "overlay_title": "Telefonläge"
+  },
   "hangup_button_label": "Avsluta samtal",
   "header_label": "Element Call Hem",
   "header_participants_label": "Deltagare",
@@ -176,6 +183,8 @@
       "change_device_button": "Byt ljudenhet",
       "default": "Förval",
       "default_named": "Förval <2>({{name}})</2>",
+      "handset": "Telefonlur",
+      "loudspeaker": "Högtalare",
       "microphone": "Mikrofon",
       "microphone_numbered": "Mikrofon {{n}}",
       "speaker": "Högtalare",

package.json

@@ -129,7 +129,7 @@
     "typescript-eslint-language-service": "^5.0.5",
     "unique-names-generator": "^4.6.0",
     "vaul": "^1.0.0",
-    "vite": "^6.0.0",
+    "vite": "^7.0.0",
     "vite-plugin-generate-file": "^0.3.0",
     "vite-plugin-html": "^3.2.2",
     "vite-plugin-svgr": "^4.0.0",

playwright/create-call.spec.ts

@@ -40,6 +40,11 @@ test("Start a new call then leave and show the feedback screen", async ({
   // The tooltip with the name should be visible
   await expect(page.getByTestId("name_tag")).toContainText("John Doe");
 
+  // Resize the window to resemble a small mobile phone
+  await page.setViewportSize({ width: 350, height: 660 });
+  // We should still be able to send reactions at this screen size
+  await expect(page.getByRole("button", { name: "Reactions" })).toBeVisible();
+
   // leave the call
   await page.getByTestId("incall_leave").click();
   await expect(page.getByRole("heading")).toContainText(

src/App.tsx

@@ -24,7 +24,6 @@ import { RegisterPage } from "./auth/RegisterPage";
 import { RoomPage } from "./room/RoomPage";
 import { ClientProvider } from "./ClientContext";
 import { ErrorPage, LoadingPage } from "./FullScreenView";
-import { DisconnectedBanner } from "./DisconnectedBanner";
 import { Initializer } from "./initializer";
 import { widget } from "./widget";
 import { useTheme } from "./useTheme";
@@ -86,7 +85,6 @@ export const App: FC<Props> = ({ vm }) => {
           <Sentry.ErrorBoundary
             fallback={(error) => <ErrorPage error={error} widget={widget} />}
           >
-            <DisconnectedBanner />
             <Routes>
               <SentryRoute path="/" element={<HomePage />} />
               <SentryRoute path="/login" element={<LoginPage />} />

src/AppBar.tsx

@@ -61,7 +61,11 @@ export const AppBar: FC<Props> = ({ children }) => {
         style={{ display: hidden ? "none" : "block" }}
         className={styles.bar}
       >
-        <Header>
+        <Header
+          // App bar is mainly seen in the call view, which has its own
+          // 'reconnecting' toast
+          disconnectedBanner={false}
+        >
           <LeftNav>
             <Tooltip label={t("common.back")}>
               <IconButton onClick={onBackClick}>

src/Header.tsx

@@ -17,27 +17,38 @@ import Logo from "./icons/Logo.svg?react";
 import { Avatar, Size } from "./Avatar";
 import { EncryptionLock } from "./room/EncryptionLock";
 import { useMediaQuery } from "./useMediaQuery";
+import { DisconnectedBanner } from "./DisconnectedBanner";
 
 interface HeaderProps extends HTMLAttributes<HTMLElement> {
   ref?: Ref<HTMLElement>;
   children: ReactNode;
   className?: string;
+  /**
+   * Whether the header should display an informational banner whenever the
+   * client is disconnected from the homeserver.
+   * @default true
+   */
+  disconnectedBanner?: boolean;
 }
 
 export const Header: FC<HeaderProps> = ({
   ref,
   children,
   className,
+  disconnectedBanner = true,
   ...rest
 }) => {
   return (
-    <header
-      ref={ref}
-      className={classNames(styles.header, className)}
-      {...rest}
-    >
-      {children}
-    </header>
+    <>
+      <header
+        ref={ref}
+        className={classNames(styles.header, className)}
+        {...rest}
+      >
+        {children}
+      </header>
+      {disconnectedBanner && <DisconnectedBanner />}
+    </>
   );
 };
 

src/Toast.tsx

@@ -45,6 +45,12 @@ interface Props {
    * A supporting icon to display within the toast.
    */
   Icon?: ComponentType<SVGAttributes<SVGElement>>;
+  /**
+   * Whether the toast should be portaled into the root of the document (rather
+   * than rendered in-place within the component tree).
+   * @default true
+   */
+  portal?: boolean;
 }
 
 /**
@@ -56,6 +62,7 @@ export const Toast: FC<Props> = ({
   autoDismiss,
   children,
   Icon,
+  portal = true,
 }) => {
   const onOpenChange = useCallback(
     (open: boolean) => {
@@ -71,29 +78,33 @@ export const Toast: FC<Props> = ({
     }
   }, [open, autoDismiss, onDismiss]);
 
+  const content = (
+    <>
+      <DialogOverlay
+        className={classNames(overlayStyles.bg, overlayStyles.animate)}
+      />
+      <DialogContent aria-describedby={undefined} asChild>
+        <DialogClose
+          className={classNames(
+            overlayStyles.overlay,
+            overlayStyles.animate,
+            styles.toast,
+          )}
+        >
+          <DialogTitle asChild>
+            <Text as="h3" size="sm" weight="semibold">
+              {children}
+            </Text>
+          </DialogTitle>
+          {Icon && <Icon width={20} height={20} aria-hidden />}
+        </DialogClose>
+      </DialogContent>
+    </>
+  );
+
   return (
     <DialogRoot open={open} onOpenChange={onOpenChange}>
-      <DialogPortal>
-        <DialogOverlay
-          className={classNames(overlayStyles.bg, overlayStyles.animate)}
-        />
-        <DialogContent aria-describedby={undefined} asChild>
-          <DialogClose
-            className={classNames(
-              overlayStyles.overlay,
-              overlayStyles.animate,
-              styles.toast,
-            )}
-          >
-            <DialogTitle asChild>
-              <Text as="h3" size="sm" weight="semibold">
-                {children}
-              </Text>
-            </DialogTitle>
-            {Icon && <Icon width={20} height={20} aria-hidden />}
-          </DialogClose>
-        </DialogContent>
-      </DialogPortal>
+      {portal ? <DialogPortal>{content}</DialogPortal> : content}
     </DialogRoot>
   );
 };

src/UrlParams.test.ts

@@ -228,7 +228,7 @@ describe("UrlParams", () => {
     const startNewCallDefaults = (platform: string): object => ({
       confineToRoom: true,
       appPrompt: false,
-      preload: true,
+      preload: false,
       header: platform === "desktop" ? HeaderStyle.None : HeaderStyle.AppBar,
       showControls: true,
       hideScreensharing: false,
@@ -242,7 +242,7 @@ describe("UrlParams", () => {
     const joinExistingCallDefaults = (platform: string): object => ({
       confineToRoom: true,
       appPrompt: false,
-      preload: true,
+      preload: false,
       header: platform === "desktop" ? HeaderStyle.None : HeaderStyle.AppBar,
       showControls: true,
       hideScreensharing: false,

src/UrlParams.ts

@@ -216,6 +216,17 @@ export interface UrlConfiguration {
    * This is one part to make the call matrixRTC session behave like a telephone call.
    */
   autoLeaveWhenOthersLeft: boolean;
+
+  /**
+   * If the client should behave like it is awaiting an answer if a notification was sent (wait for call pick up).
+   * This is a no-op if not combined with sendNotificationType.
+   *
+   * This entails:
+   *  - show ui that it is awaiting an answer
+   *  - play a sound that indicates that it is awaiting an answer
+   *  - auto-dismiss the call widget once the notification lifetime expires on the receivers side.
+   */
+  waitForCallPickup: boolean;
 }
 
 // If you need to add a new flag to this interface, prefer a name that describes
@@ -336,7 +347,7 @@ export const getUrlParams = (
   const inAppDefault = {
     confineToRoom: true,
     appPrompt: false,
-    preload: true,
+    preload: false,
     header: platform === "desktop" ? HeaderStyle.None : HeaderStyle.AppBar,
     showControls: true,
     hideScreensharing: false,
@@ -347,6 +358,7 @@ export const getUrlParams = (
     returnToLobby: false,
     sendNotificationType: "notification" as RTCNotificationType,
     autoLeaveWhenOthersLeft: false,
+    waitForCallPickup: false,
   };
   switch (intent) {
     case UserIntent.StartNewCall:
@@ -366,6 +378,7 @@ export const getUrlParams = (
         ...inAppDefault,
         skipLobby: true,
         autoLeaveWhenOthersLeft: true,
+        waitForCallPickup: true,
       };
       break;
     case UserIntent.JoinExistingCallDM:
@@ -391,6 +404,7 @@ export const getUrlParams = (
         returnToLobby: false,
         sendNotificationType: undefined,
         autoLeaveWhenOthersLeft: false,
+        waitForCallPickup: false,
       };
   }
 
@@ -442,6 +456,7 @@ export const getUrlParams = (
       "ring",
       "notification",
     ]),
+    waitForCallPickup: parser.getFlag("waitForCallPickup"),
     autoLeaveWhenOthersLeft: parser.getFlag("autoLeave"),
   };
 

src/livekit/BlurBackgroundTransformer.ts

@@ -1,7 +1,7 @@
 /*
 Copyright 2024-2025 New Vector Ltd.
 
-SPDX-License-Identifier: AGPL-3.0-only
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
 Please see LICENSE in the repository root for full details.
 */
 

src/livekit/TrackProcessorContext.tsx

@@ -1,7 +1,7 @@
 /*
-Copyright 2024 New Vector Ltd.
+Copyright 2024-2025 New Vector Ltd.
 
-SPDX-License-Identifier: AGPL-3.0-only
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
 Please see LICENSE in the repository root for full details.
 */
 

src/livekit/useECConnectionState.test.tsx

@@ -15,7 +15,7 @@ import {
 import userEvent from "@testing-library/user-event";
 import { render, screen } from "@testing-library/react";
 import { MemoryRouter } from "react-router-dom";
-import { defer, sleep } from "matrix-js-sdk/lib/utils";
+import { sleep } from "matrix-js-sdk/lib/utils";
 
 import { useECConnectionState } from "./useECConnectionState";
 import { type SFUConfig } from "./openIDSFU";
@@ -93,8 +93,8 @@ describe("Leaking connection prevention", () => {
 
   test("Should cancel pending connections when the component is unmounted", async () => {
     const connectCall = vi.fn();
-    const pendingConnection = defer<void>();
-    // let pendingDisconnection = defer<void>()
+    const pendingConnection = Promise.withResolvers<void>();
+    // let pendingDisconnection = Promise.withResolvers<void>()
     const disconnectMock = vi.fn();
 
     const mockRoom = {
@@ -141,8 +141,8 @@ describe("Leaking connection prevention", () => {
 
   test("Should cancel about to open but not yet opened connection", async () => {
     const createTracksCall = vi.fn();
-    const pendingCreateTrack = defer<void>();
-    // let pendingDisconnection = defer<void>()
+    const pendingCreateTrack = Promise.withResolvers<void>();
+    // let pendingDisconnection = Promise.withResolvers<void>()
     const disconnectMock = vi.fn();
     const connectMock = vi.fn();
 

src/room/CallEventAudioRenderer.test.tsx

@@ -19,10 +19,7 @@ import { act } from "react";
 import { type CallMembership } from "matrix-js-sdk/lib/matrixrtc";
 
 import { mockRtcMembership } from "../utils/test";
-import {
-  CallEventAudioRenderer,
-  MAX_PARTICIPANT_COUNT_FOR_SOUND,
-} from "./CallEventAudioRenderer";
+import { CallEventAudioRenderer } from "./CallEventAudioRenderer";
 import { useAudioContext } from "../useAudioContext";
 import { prefetchSounds } from "../soundUtils";
 import { getBasicCallViewModelEnvironment } from "../utils/test-viewmodel";
@@ -31,7 +28,9 @@ import {
   aliceRtcMember,
   bobRtcMember,
   local,
+  localRtcMember,
 } from "../utils/test-fixtures";
+import { MAX_PARTICIPANT_COUNT_FOR_SOUND } from "../state/CallViewModel";
 
 vitest.mock("../useAudioContext");
 vitest.mock("../soundUtils");
@@ -55,6 +54,8 @@ beforeEach(() => {
   playSound = vitest.fn();
   (useAudioContext as MockedFunction<typeof useAudioContext>).mockReturnValue({
     playSound,
+    playSoundLooping: vitest.fn(),
+    soundDuration: {},
   });
 });
 
@@ -66,7 +67,7 @@ beforeEach(() => {
  * a noise every time.
  */
 test("plays one sound when entering a call", () => {
-  const { vm, remoteRtcMemberships$ } = getBasicCallViewModelEnvironment([
+  const { vm, rtcMemberships$ } = getBasicCallViewModelEnvironment([
     local,
     alice,
   ]);
@@ -74,56 +75,72 @@ test("plays one sound when entering a call", () => {
 
   // Joining a call usually means remote participants are added later.
   act(() => {
-    remoteRtcMemberships$.next([aliceRtcMember, bobRtcMember]);
+    rtcMemberships$.next([localRtcMember, aliceRtcMember, bobRtcMember]);
   });
   expect(playSound).toHaveBeenCalledOnce();
 });
 
 test("plays a sound when a user joins", () => {
-  const { vm, remoteRtcMemberships$ } = getBasicCallViewModelEnvironment([
+  const { vm, rtcMemberships$ } = getBasicCallViewModelEnvironment([
     local,
     alice,
   ]);
   render(<CallEventAudioRenderer vm={vm} />);
 
   act(() => {
-    remoteRtcMemberships$.next([aliceRtcMember, bobRtcMember]);
+    rtcMemberships$.next([localRtcMember, aliceRtcMember, bobRtcMember]);
   });
   // Play a sound when joining a call.
   expect(playSound).toBeCalledWith("join");
 });
 
 test("plays a sound when a user leaves", () => {
-  const { vm, remoteRtcMemberships$ } = getBasicCallViewModelEnvironment([
+  const { vm, rtcMemberships$ } = getBasicCallViewModelEnvironment([
     local,
     alice,
   ]);
   render(<CallEventAudioRenderer vm={vm} />);
 
   act(() => {
-    remoteRtcMemberships$.next([]);
+    rtcMemberships$.next([localRtcMember]);
   });
   expect(playSound).toBeCalledWith("left");
 });
 
+test("does not play a sound before the call is successful", () => {
+  const { vm, rtcMemberships$ } = getBasicCallViewModelEnvironment(
+    [local, alice],
+    [localRtcMember],
+    { waitForCallPickup: true },
+  );
+  render(<CallEventAudioRenderer vm={vm} />);
+
+  act(() => {
+    rtcMemberships$.next([localRtcMember]);
+  });
+  expect(playSound).not.toBeCalledWith("left");
+});
+
 test("plays no sound when the participant list is more than the maximum size", () => {
-  const mockRtcMemberships: CallMembership[] = [];
+  const mockRtcMemberships: CallMembership[] = [localRtcMember];
   for (let i = 0; i < MAX_PARTICIPANT_COUNT_FOR_SOUND; i++) {
     mockRtcMemberships.push(
       mockRtcMembership(`@user${i}:example.org`, `DEVICE${i}`),
     );
   }
 
-  const { vm, remoteRtcMemberships$ } = getBasicCallViewModelEnvironment(
+  const { vm, rtcMemberships$ } = getBasicCallViewModelEnvironment(
     [local, alice],
     mockRtcMemberships,
   );
 
   render(<CallEventAudioRenderer vm={vm} />);
   expect(playSound).not.toBeCalled();
+  // Remove the last membership in the array to test the leaving sound
+  // (The array has length MAX_PARTICIPANT_COUNT_FOR_SOUND + 1)
   act(() => {
-    remoteRtcMemberships$.next(
-      mockRtcMemberships.slice(0, MAX_PARTICIPANT_COUNT_FOR_SOUND - 1),
+    rtcMemberships$.next(
+      mockRtcMemberships.slice(0, MAX_PARTICIPANT_COUNT_FOR_SOUND),
     );
   });
   expect(playSound).toBeCalledWith("left");
@@ -155,6 +172,7 @@ test("should not play a sound when a hand raise is retracted", () => {
   ]);
   render(<CallEventAudioRenderer vm={vm} />);
 
+  playSound.mockClear();
   act(() => {
     handRaisedSubject$.next({
       ["foo"]: {
@@ -169,7 +187,7 @@ test("should not play a sound when a hand raise is retracted", () => {
       },
     });
   });
-  expect(playSound).toHaveBeenCalledTimes(2);
+  expect(playSound).toHaveBeenCalledExactlyOnceWith("raiseHand");
   act(() => {
     handRaisedSubject$.next({
       ["foo"]: {
@@ -179,5 +197,5 @@ test("should not play a sound when a hand raise is retracted", () => {
       },
     });
   });
-  expect(playSound).toHaveBeenCalledTimes(2);
+  expect(playSound).toHaveBeenCalledExactlyOnceWith("raiseHand");
 });

src/room/CallEventAudioRenderer.tsx

@@ -6,7 +6,6 @@ Please see LICENSE in the repository root for full details.
 */
 
 import { type ReactNode, useEffect } from "react";
-import { filter, interval, throttle } from "rxjs";
 
 import { type CallViewModel } from "../state/CallViewModel";
 import joinCallSoundMp3 from "../sound/join_call.mp3";
@@ -17,15 +16,14 @@ import handSoundOgg from "../sound/raise_hand.ogg";
 import handSoundMp3 from "../sound/raise_hand.mp3";
 import screenShareStartedOgg from "../sound/screen_share_started.ogg";
 import screenShareStartedMp3 from "../sound/screen_share_started.mp3";
+import declineMp3 from "../sound/call_declined.mp3?url";
+import declineOgg from "../sound/call_declined.ogg?url";
+import timeoutMp3 from "../sound/call_timeout.mp3?url";
+import timeoutOgg from "../sound/call_timeout.ogg?url";
 import { useAudioContext } from "../useAudioContext";
 import { prefetchSounds } from "../soundUtils";
 import { useLatest } from "../useLatest";
 
-// Do not play any sounds if the participant count has exceeded this
-// number.
-export const MAX_PARTICIPANT_COUNT_FOR_SOUND = 8;
-export const THROTTLE_SOUND_EFFECT_MS = 500;
-
 export const callEventAudioSounds = prefetchSounds({
   join: {
     mp3: joinCallSoundMp3,
@@ -43,8 +41,18 @@ export const callEventAudioSounds = prefetchSounds({
     mp3: screenShareStartedMp3,
     ogg: screenShareStartedOgg,
   },
+  decline: {
+    mp3: declineMp3,
+    ogg: declineOgg,
+  },
+  timeout: {
+    mp3: timeoutMp3,
+    ogg: timeoutOgg,
+  },
 });
 
+export type CallEventSounds = keyof Awaited<typeof callEventAudioSounds>;
+
 export function CallEventAudioRenderer({
   vm,
   muted,
@@ -60,37 +68,18 @@ export function CallEventAudioRenderer({
   const audioEngineRef = useLatest(audioEngineCtx);
 
   useEffect(() => {
-    const joinSub = vm.participantChanges$
-      .pipe(
-        filter(
-          ({ joined, ids }) =>
-            ids.length <= MAX_PARTICIPANT_COUNT_FOR_SOUND && joined.length > 0,
-        ),
-        throttle(() => interval(THROTTLE_SOUND_EFFECT_MS)),
-      )
-      .subscribe(() => {
-        void audioEngineRef.current?.playSound("join");
-      });
-
-    const leftSub = vm.participantChanges$
-      .pipe(
-        filter(
-          ({ ids, left }) =>
-            ids.length <= MAX_PARTICIPANT_COUNT_FOR_SOUND && left.length > 0,
-        ),
-        throttle(() => interval(THROTTLE_SOUND_EFFECT_MS)),
-      )
-      .subscribe(() => {
-        void audioEngineRef.current?.playSound("left");
-      });
-
-    const handRaisedSub = vm.newHandRaised$.subscribe(() => {
-      void audioEngineRef.current?.playSound("raiseHand");
-    });
-
-    const screenshareSub = vm.newScreenShare$.subscribe(() => {
-      void audioEngineRef.current?.playSound("screenshareStarted");
-    });
+    const joinSub = vm.joinSoundEffect$.subscribe(
+      () => void audioEngineRef.current?.playSound("join"),
+    );
+    const leftSub = vm.leaveSoundEffect$.subscribe(
+      () => void audioEngineRef.current?.playSound("left"),
+    );
+    const handRaisedSub = vm.newHandRaised$.subscribe(
+      () => void audioEngineRef.current?.playSound("raiseHand"),
+    );
+    const screenshareSub = vm.newScreenShare$.subscribe(
+      () => void audioEngineRef.current?.playSound("screenshareStarted"),
+    );
 
     return (): void => {
       joinSub.unsubscribe();

src/room/GroupCallErrorBoundary.test.tsx

@@ -132,9 +132,10 @@ test("ConnectionLostError: Action handling should reset error state", async () =
   const WrapComponent = (): ReactNode => {
     const [failState, setFailState] = useState(true);
     const reconnectCallback = useCallback(
-      (action: CallErrorRecoveryAction) => {
+      async (action: CallErrorRecoveryAction) => {
         reconnectCallbackSpy(action);
         setFailState(false);
+        return Promise.resolve();
       },
       [setFailState],
     );

src/room/GroupCallErrorBoundary.tsx

@@ -36,7 +36,9 @@ import { type WidgetHelpers } from "../widget.ts";
 
 export type CallErrorRecoveryAction = "reconnect"; // | "retry" ;
 
-export type RecoveryActionHandler = (action: CallErrorRecoveryAction) => void;
+export type RecoveryActionHandler = (
+  action: CallErrorRecoveryAction,
+) => Promise<void>;
 
 interface ErrorPageProps {
   error: ElementCallError;
@@ -71,7 +73,7 @@ const ErrorPage: FC<ErrorPageProps> = ({
   if (error instanceof ConnectionLostError) {
     actions.push({
       label: t("call_ended_view.reconnect_button"),
-      onClick: () => recoveryActionHandler("reconnect"),
+      onClick: () => void recoveryActionHandler("reconnect"),
     });
   }
 
@@ -131,9 +133,9 @@ export const GroupCallErrorBoundary = ({
           widget={widget ?? null}
           error={callError}
           resetError={resetError}
-          recoveryActionHandler={(action: CallErrorRecoveryAction) => {
+          recoveryActionHandler={async (action: CallErrorRecoveryAction) => {
+            await recoveryActionHandler(action);
             resetError();
-            recoveryActionHandler(action);
           }}
         />
       );

src/room/GroupCallView.test.tsx

@@ -12,10 +12,14 @@ import {
   onTestFinished,
   test,
   vi,
+  vitest,
 } from "vitest";
-import { render, waitFor, screen } from "@testing-library/react";
+import { render, waitFor, screen, act } from "@testing-library/react";
 import { type MatrixClient, JoinRule, type RoomState } from "matrix-js-sdk";
-import { type MatrixRTCSession } from "matrix-js-sdk/lib/matrixrtc";
+import {
+  MatrixRTCSessionEvent,
+  type MatrixRTCSession,
+} from "matrix-js-sdk/lib/matrixrtc";
 import { BrowserRouter } from "react-router-dom";
 import userEvent from "@testing-library/user-event";
 import { type RelationsContainer } from "matrix-js-sdk/lib/models/relations-container";
@@ -94,13 +98,15 @@ beforeEach(() => {
   playSound = vi.fn();
   (useAudioContext as MockedFunction<typeof useAudioContext>).mockReturnValue({
     playSound,
+    playSoundLooping: vi.fn(),
+    soundDuration: {},
   });
   // A trivial implementation of Active call to ensure we are testing GroupCallView exclusively here.
   (ActiveCall as MockedFunction<typeof ActiveCall>).mockImplementation(
     ({ onLeave }) => {
       return (
         <div>
-          <button onClick={() => onLeave()}>Leave</button>
+          <button onClick={() => onLeave("user")}>Leave</button>
         </div>
       );
     },
@@ -137,11 +143,9 @@ function createGroupCallView(
       getJoinRule: () => JoinRule.Invite,
     } as Partial<RoomState> as RoomState,
   });
-  const rtcSession = new MockRTCSession(
-    room,
-    localRtcMember,
-    [],
-  ).withMemberships(constant([]));
+  const rtcSession = new MockRTCSession(room, []).withMemberships(
+    constant([localRtcMember]),
+  );
   rtcSession.joined = joined;
   const muteState = {
     audio: { enabled: false },
@@ -208,6 +212,8 @@ test("GroupCallView plays a leave sound synchronously in widget mode", async ()
     );
   (useAudioContext as MockedFunction<typeof useAudioContext>).mockReturnValue({
     playSound,
+    playSoundLooping: vitest.fn(),
+    soundDuration: {},
   });
 
   const { getByText, rtcSession } = createGroupCallView(
@@ -260,3 +266,19 @@ test("GroupCallView shows errors that occur during joining", async () => {
   await user.click(screen.getByRole("button", { name: "Join call" }));
   screen.getByText("Call is not supported");
 });
+
+test("user can reconnect after a membership manager error", async () => {
+  const user = userEvent.setup();
+  const { rtcSession } = createGroupCallView(null, true);
+  await act(() =>
+    rtcSession.emit(MatrixRTCSessionEvent.MembershipManagerError, undefined),
+  );
+  // XXX: Wrapping the following click in act() shouldn't be necessary (the
+  // async state update should be processed automatically by the waitFor call),
+  // and yet here we are.
+  await act(async () =>
+    user.click(screen.getByRole("button", { name: "Reconnect" })),
+  );
+  // In-call controls should be visible again
+  await waitFor(() => screen.getByRole("button", { name: "Leave" }));
+});

src/room/GroupCallView.tsx

@@ -50,10 +50,13 @@ import { useRoomAvatar } from "./useRoomAvatar";
 import { useRoomName } from "./useRoomName";
 import { useJoinRule } from "./useJoinRule";
 import { InviteModal } from "./InviteModal";
-import { HeaderStyle, useUrlParams } from "../UrlParams";
+import { HeaderStyle, type UrlParams, useUrlParams } from "../UrlParams";
 import { E2eeType } from "../e2ee/e2eeType";
 import { useAudioContext } from "../useAudioContext";
-import { callEventAudioSounds } from "./CallEventAudioRenderer";
+import {
+  callEventAudioSounds,
+  type CallEventSounds,
+} from "./CallEventAudioRenderer";
 import { useLatest } from "../useLatest";
 import { usePageTitle } from "../usePageTitle";
 import {
@@ -83,8 +86,8 @@ interface Props {
   client: MatrixClient;
   isPasswordlessUser: boolean;
   confineToRoom: boolean;
-  preload: boolean;
-  skipLobby: boolean;
+  preload: UrlParams["preload"];
+  skipLobby: UrlParams["skipLobby"];
   header: HeaderStyle;
   rtcSession: MatrixRTCSession;
   isJoined: boolean;
@@ -276,34 +279,28 @@ export const GroupCallView: FC<Props> = ({
     };
 
     if (skipLobby) {
-      if (widget) {
-        if (preload) {
-          // In preload mode without lobby we wait for a join action before entering
-          const onJoin = (ev: CustomEvent<IWidgetApiRequest>): void => {
-            (async (): Promise<void> => {
-              await defaultDeviceSetup(
-                ev.detail.data as unknown as JoinCallData,
-              );
-              await enterRTCSessionOrError(rtcSession);
-              widget.api.transport.reply(ev.detail, {});
-            })().catch((e) => {
-              logger.error("Error joining RTC session", e);
-            });
-          };
-          widget.lazyActions.on(ElementWidgetActions.JoinCall, onJoin);
-          return (): void => {
-            widget.lazyActions.off(ElementWidgetActions.JoinCall, onJoin);
-          };
-        } else {
-          // No lobby and no preload: we enter the rtc session right away
+      if (widget && preload) {
+        // In preload mode without lobby we wait for a join action before entering
+        const onJoin = (ev: CustomEvent<IWidgetApiRequest>): void => {
           (async (): Promise<void> => {
+            await defaultDeviceSetup(ev.detail.data as unknown as JoinCallData);
             await enterRTCSessionOrError(rtcSession);
+            widget.api.transport.reply(ev.detail, {});
           })().catch((e) => {
-            logger.error("Error joining RTC session", e);
+            logger.error("Error joining RTC session on preload", e);
           });
-        }
+        };
+        widget.lazyActions.on(ElementWidgetActions.JoinCall, onJoin);
+        return (): void => {
+          widget.lazyActions.off(ElementWidgetActions.JoinCall, onJoin);
+        };
       } else {
-        void enterRTCSessionOrError(rtcSession);
+        // No lobby and no preload: we enter the rtc session right away
+        (async (): Promise<void> => {
+          await enterRTCSessionOrError(rtcSession);
+        })().catch((e) => {
+          logger.error("Error joining RTC session immediately", e);
+        });
       }
     }
   }, [
@@ -323,8 +320,11 @@ export const GroupCallView: FC<Props> = ({
   const navigate = useNavigate();
 
   const onLeave = useCallback(
-    (cause: "user" | "error" = "user"): void => {
-      const audioPromise = leaveSoundContext.current?.playSound("left");
+    (
+      cause: "user" | "error" = "user",
+      playSound: CallEventSounds = "left",
+    ): void => {
+      const audioPromise = leaveSoundContext.current?.playSound(playSound);
       // In embedded/widget mode the iFrame will be killed right after the call ended prohibiting the posthog event from getting sent,
       // therefore we want the event to be sent instantly without getting queued/batched.
       const sendInstantly = !!widget;
@@ -452,7 +452,7 @@ export const GroupCallView: FC<Props> = ({
           client={client}
           matrixInfo={matrixInfo}
           rtcSession={rtcSession as MatrixRTCSession}
-          participantCount={participantCount}
+          matrixRoom={room}
           onLeave={onLeave}
           header={header}
           muteStates={muteStates}
@@ -494,6 +494,7 @@ export const GroupCallView: FC<Props> = ({
     // Left in widget mode:
     body = returnToLobby ? lobbyView : null;
   } else if (preload || skipLobby) {
+    // The RTC session is not joined to yet (`isJoined`), but enterRTCSessionOrError should have been called.
     body = null;
   } else {
     body = lobbyView;
@@ -502,10 +503,11 @@ export const GroupCallView: FC<Props> = ({
   return (
     <GroupCallErrorBoundary
       widget={widget}
-      recoveryActionHandler={(action) => {
+      recoveryActionHandler={async (action) => {
+        setExternalError(null);
         if (action == "reconnect") {
           setLeft(false);
-          enterRTCSessionOrError(rtcSession).catch((e) => {
+          await enterRTCSessionOrError(rtcSession).catch((e) => {
             logger.error("Error re-entering RTC session", e);
           });
         }

src/room/InCallView.module.css

@@ -108,13 +108,6 @@ Please see LICENSE in the repository root for full details.
 }
 
 @media (max-width: 370px) {
-  .raiseHand {
-    display: none;
-  }
-}
-
-@media (max-width: 340px) {
-  .invite,
   .shareScreen {
     display: none;
   }
@@ -126,6 +119,13 @@ Please see LICENSE in the repository root for full details.
   }
 }
 
+@media (max-width: 320px) {
+  .invite,
+  .raiseHand {
+    display: none;
+  }
+}
+
 @media (max-height: 400px) {
   .footer {
     padding-block: var(--cpd-space-4x);

src/room/InCallView.test.tsx

@@ -17,7 +17,7 @@ import { act, render, type RenderResult } from "@testing-library/react";
 import { type MatrixClient, JoinRule, type RoomState } from "matrix-js-sdk";
 import { type MatrixRTCSession } from "matrix-js-sdk/lib/matrixrtc";
 import { type RelationsContainer } from "matrix-js-sdk/lib/models/relations-container";
-import { ConnectionState, type LocalParticipant } from "livekit-client";
+import { type LocalParticipant } from "livekit-client";
 import { of } from "rxjs";
 import { BrowserRouter } from "react-router-dom";
 import { TooltipProvider } from "@vector-im/compound-web";
@@ -175,12 +175,11 @@ function createInCallView(): RenderResult & {
                     kind: E2eeType.NONE,
                   },
                 }}
+                matrixRoom={room}
                 livekitRoom={livekitRoom}
-                participantCount={0}
                 onLeave={function (): void {
                   throw new Error("Function not implemented.");
                 }}
-                connState={ConnectionState.Connected}
                 onShareClick={null}
               />
             </RoomContext>

src/room/InCallView.tsx

@@ -7,8 +7,8 @@ Please see LICENSE in the repository root for full details.
 
 import { RoomContext, useLocalParticipant } from "@livekit/components-react";
 import { IconButton, Text, Tooltip } from "@vector-im/compound-web";
-import { ConnectionState, type Room } from "livekit-client";
-import { type MatrixClient } from "matrix-js-sdk";
+import { ConnectionState, type Room as LivekitRoom } from "livekit-client";
+import { type MatrixClient, type Room as MatrixRoom } from "matrix-js-sdk";
 import {
   type FC,
   type PointerEvent,
@@ -25,7 +25,11 @@ 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, useSubscription } from "observable-hooks";
+import {
+  useObservable,
+  useObservableEagerState,
+  useSubscription,
+} from "observable-hooks";
 import { logger } from "matrix-js-sdk/lib/logger";
 import { RoomAndToDeviceEvents } from "matrix-js-sdk/lib/matrixrtc/RoomAndToDeviceKeyTransport";
 import {
@@ -50,6 +54,7 @@ import { type HeaderStyle, useUrlParams } from "../UrlParams";
 import { useCallViewKeyboardShortcuts } from "../useCallViewKeyboardShortcuts";
 import { ElementWidgetActions, widget } from "../widget";
 import styles from "./InCallView.module.css";
+import overlayStyles from "../Overlay.module.css";
 import { GridTile } from "../tile/GridTile";
 import { type OTelGroupCallMembership } from "../otel/OTelGroupCallMembership";
 import { SettingsModal, defaultSettingsTab } from "../settings/SettingsModal";
@@ -62,7 +67,6 @@ import { type MuteStates } from "./MuteStates";
 import { type MatrixInfo } from "./VideoPreview";
 import { InviteButton } from "../button/InviteButton";
 import { LayoutToggle } from "./LayoutToggle";
-import { type ECConnectionState } from "../livekit/useECConnectionState";
 import { useOpenIDSFU } from "../livekit/openIDSFU";
 import {
   CallViewModel,
@@ -94,7 +98,10 @@ import {
 } from "../reactions/useReactionsSender";
 import { ReactionsAudioRenderer } from "./ReactionAudioRenderer";
 import { ReactionsOverlay } from "./ReactionsOverlay";
-import { CallEventAudioRenderer } from "./CallEventAudioRenderer";
+import {
+  CallEventAudioRenderer,
+  type CallEventSounds,
+} from "./CallEventAudioRenderer";
 import {
   debugTileLayout as debugTileLayoutSetting,
   useExperimentalToDeviceTransport as useExperimentalToDeviceTransportSetting,
@@ -111,6 +118,13 @@ import { useMediaDevices } from "../MediaDevicesContext.ts";
 import { EarpieceOverlay } from "./EarpieceOverlay.tsx";
 import { useAppBarHidden, useAppBarSecondaryButton } from "../AppBar.tsx";
 import { useBehavior } from "../useBehavior.ts";
+import { Toast } from "../Toast.tsx";
+import { Avatar, Size as AvatarSize } from "../Avatar";
+import waitingStyles from "./WaitingForJoin.module.css";
+import { prefetchSounds } from "../soundUtils";
+import { useAudioContext } from "../useAudioContext";
+import ringtoneMp3 from "../sound/ringtone.mp3?url";
+import ringtoneOgg from "../sound/ringtone.ogg?url";
 
 const canScreenshare = "getDisplayMedia" in (navigator.mediaDevices ?? {});
 
@@ -157,18 +171,22 @@ export const ActiveCall: FC<ActiveCallProps> = (props) => {
     };
   }, [livekitRoom]);
 
-  const { autoLeaveWhenOthersLeft } = useUrlParams();
+  const { autoLeaveWhenOthersLeft, sendNotificationType, waitForCallPickup } =
+    useUrlParams();
 
   useEffect(() => {
     if (livekitRoom !== undefined) {
       const reactionsReader = new ReactionsReader(props.rtcSession);
       const vm = new CallViewModel(
         props.rtcSession,
+        props.matrixRoom,
         livekitRoom,
         mediaDevices,
         {
           encryptionSystem: props.e2eeSystem,
           autoLeaveWhenOthersLeft,
+          waitForCallPickup:
+            waitForCallPickup && sendNotificationType === "ring",
         },
         connStateObservable$,
         reactionsReader.raisedHands$,
@@ -182,11 +200,14 @@ export const ActiveCall: FC<ActiveCallProps> = (props) => {
     }
   }, [
     props.rtcSession,
+    props.matrixRoom,
     livekitRoom,
     mediaDevices,
     props.e2eeSystem,
     connStateObservable$,
     autoLeaveWhenOthersLeft,
+    sendNotificationType,
+    waitForCallPickup,
   ]);
 
   if (livekitRoom === undefined || vm === null) return null;
@@ -194,12 +215,7 @@ export const ActiveCall: FC<ActiveCallProps> = (props) => {
   return (
     <RoomContext value={livekitRoom}>
       <ReactionsSenderProvider vm={vm} rtcSession={props.rtcSession}>
-        <InCallView
-          {...props}
-          vm={vm}
-          livekitRoom={livekitRoom}
-          connState={connState}
-        />
+        <InCallView {...props} vm={vm} livekitRoom={livekitRoom} />
       </ReactionsSenderProvider>
     </RoomContext>
   );
@@ -210,14 +226,13 @@ export interface InCallViewProps {
   vm: CallViewModel;
   matrixInfo: MatrixInfo;
   rtcSession: MatrixRTCSession;
-  livekitRoom: Room;
+  matrixRoom: MatrixRoom;
+  livekitRoom: LivekitRoom;
   muteStates: MuteStates;
-  participantCount: number;
   /** Function to call when the user explicitly ends the call */
-  onLeave: () => void;
+  onLeave: (cause: "user", soundFile?: CallEventSounds) => void;
   header: HeaderStyle;
   otelGroupCallMembership?: OTelGroupCallMembership;
-  connState: ECConnectionState;
   onShareClick: (() => void) | null;
 }
 
@@ -226,12 +241,11 @@ export const InCallView: FC<InCallViewProps> = ({
   vm,
   matrixInfo,
   rtcSession,
+  matrixRoom,
   livekitRoom,
   muteStates,
-  participantCount,
   onLeave,
   header: headerStyle,
-  connState,
   onShareClick,
 }) => {
   const { t } = useTranslation();
@@ -239,10 +253,11 @@ export const InCallView: FC<InCallViewProps> = ({
     useReactionsSender();
 
   useWakeLock();
+  const connectionState = useObservableEagerState(vm.livekitConnectionState$);
 
   // annoyingly we don't get the disconnection reason this way,
   // only by listening for the emitted event
-  if (connState === ConnectionState.Disconnected)
+  if (connectionState === ConnectionState.Disconnected)
     throw new ConnectionLostError();
 
   const containerRef1 = useRef<HTMLDivElement | null>(null);
@@ -257,6 +272,21 @@ export const InCallView: FC<InCallViewProps> = ({
   });
 
   const muteAllAudio = useBehavior(muteAllAudio$);
+  // Call pickup state and display names are needed for waiting overlay/sounds
+  const callPickupState = useBehavior(vm.callPickupState$);
+
+  // Preload a waiting and decline sounds
+  const pickupPhaseSoundCache = useInitial(async () => {
+    return prefetchSounds({
+      waiting: { mp3: ringtoneMp3, ogg: ringtoneOgg },
+    });
+  });
+
+  const pickupPhaseAudio = useAudioContext({
+    sounds: pickupPhaseSoundCache,
+    latencyHint: "interactive",
+    muted: muteAllAudio,
+  });
 
   // This seems like it might be enough logic to use move it into the call view model?
   const [didFallbackToRoomKey, setDidFallbackToRoomKey] = useState(false);
@@ -270,7 +300,7 @@ export const InCallView: FC<InCallViewProps> = ({
   const [useExperimentalToDeviceTransport] = useSetting(
     useExperimentalToDeviceTransportSetting,
   );
-  const encryptionSystem = useRoomEncryptionSystem(rtcSession.room.roomId);
+  const encryptionSystem = useRoomEncryptionSystem(matrixRoom.roomId);
   const memberships = useMatrixRTCSessionMemberships(rtcSession);
 
   const showToDeviceEncryption = useMemo(
@@ -307,6 +337,8 @@ export const InCallView: FC<InCallViewProps> = ({
     () => void toggleRaisedHand(),
   );
 
+  const participantCount = useBehavior(vm.participantCount$);
+  const reconnecting = useBehavior(vm.reconnecting$);
   const windowMode = useBehavior(vm.windowMode$);
   const layout = useBehavior(vm.layout$);
   const tileStoreGeneration = useBehavior(vm.tileStoreGeneration$);
@@ -316,7 +348,90 @@ export const InCallView: FC<InCallViewProps> = ({
   const showFooter = useBehavior(vm.showFooter$);
   const earpieceMode = useBehavior(vm.earpieceMode$);
   const audioOutputSwitcher = useBehavior(vm.audioOutputSwitcher$);
-  useSubscription(vm.autoLeaveWhenOthersLeft$, onLeave);
+  useSubscription(vm.autoLeave$, () => onLeave("user"));
+
+  // We need to set the proper timings on the animation based upon the sound length.
+  const ringDuration = pickupPhaseAudio?.soundDuration["waiting"] ?? 1;
+  useEffect((): (() => void) => {
+    // The CSS animation includes the delay, so we must double the length of the sound.
+    window.document.body.style.setProperty(
+      "--call-ring-duration-s",
+      `${ringDuration * 2}s`,
+    );
+    window.document.body.style.setProperty(
+      "--call-ring-delay-s",
+      `${ringDuration}s`,
+    );
+    // Remove properties when we unload.
+    return () => {
+      window.document.body.style.removeProperty("--call-ring-duration-s");
+      window.document.body.style.removeProperty("--call-ring-delay-s");
+    };
+  }, [pickupPhaseAudio?.soundDuration, ringDuration]);
+
+  // When we enter timeout or decline we will leave the call.
+  useEffect((): void | (() => void) => {
+    if (callPickupState === "timeout") {
+      onLeave("user", "timeout");
+    }
+    if (callPickupState === "decline") {
+      onLeave("user", "decline");
+    }
+  }, [callPickupState, onLeave, pickupPhaseAudio]);
+
+  // When waiting for pickup, loop a waiting sound
+  useEffect((): void | (() => void) => {
+    if (callPickupState !== "ringing" || !pickupPhaseAudio) return;
+    const endSound = pickupPhaseAudio.playSoundLooping("waiting", ringDuration);
+    return () => {
+      void endSound().catch((e) => {
+        logger.error("Failed to stop ringing sound", e);
+      });
+    };
+  }, [callPickupState, pickupPhaseAudio, ringDuration]);
+
+  // Waiting UI overlay
+  const waitingOverlay: JSX.Element | null = useMemo(() => {
+    // No overlay if not in ringing state
+    if (callPickupState !== "ringing") return null;
+
+    // Use room state for other participants data (the one that we likely want to reach)
+    const roomOthers = [
+      ...matrixRoom.getMembersWithMembership("join"),
+      ...matrixRoom.getMembersWithMembership("invite"),
+    ].filter((m) => m.userId !== client.getUserId());
+    // Yield if there are not other members in the room.
+    if (roomOthers.length === 0) return null;
+
+    const otherMember = roomOthers.length > 0 ? roomOthers[0] : undefined;
+    const isOneOnOne = roomOthers.length === 1 && otherMember;
+    const text = isOneOnOne
+      ? `Waiting for ${otherMember.name ?? otherMember.userId} to join…`
+      : "Waiting for other participants…";
+    const avatarMxc = isOneOnOne
+      ? (otherMember.getMxcAvatarUrl?.() ?? undefined)
+      : (matrixRoom.getMxcAvatarUrl() ?? undefined);
+
+    return (
+      <div className={classNames(overlayStyles.bg, waitingStyles.overlay)}>
+        <div
+          className={classNames(overlayStyles.content, waitingStyles.content)}
+        >
+          <div className={waitingStyles.pulse}>
+            <Avatar
+              id={isOneOnOne ? otherMember.userId : matrixRoom.roomId}
+              name={isOneOnOne ? otherMember.name : matrixRoom.name}
+              src={avatarMxc}
+              size={AvatarSize.XL}
+            />
+          </div>
+          <Text size="md" className={waitingStyles.text}>
+            {text}
+          </Text>
+        </div>
+      </div>
+    );
+  }, [callPickupState, client, matrixRoom]);
 
   // 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
@@ -499,7 +614,11 @@ export const InCallView: FC<InCallViewProps> = ({
         break;
       case "standard":
         header = (
-          <Header className={styles.header} ref={headerRef}>
+          <Header
+            className={styles.header}
+            ref={headerRef}
+            disconnectedBanner={false} // This screen has its own 'reconnecting' toast
+          >
             <LeftNav>
               <RoomHeaderInfo
                 id={matrixInfo.roomId}
@@ -639,7 +758,7 @@ export const InCallView: FC<InCallViewProps> = ({
   };
 
   const rageshakeRequestModalProps = useRageshakeRequestModal(
-    rtcSession.room.roomId,
+    matrixRoom.roomId,
   );
 
   const toggleScreensharing = useCallback(() => {
@@ -709,7 +828,7 @@ export const InCallView: FC<InCallViewProps> = ({
     <EndCallButton
       key="end_call"
       onClick={function (): void {
-        onLeave();
+        onLeave("user");
       }}
       onTouchEnd={onControlsTouchEnd}
       data-testid="incall_leave"
@@ -750,6 +869,9 @@ export const InCallView: FC<InCallViewProps> = ({
     </div>
   );
 
+  // The reconnecting toast cannot be dismissed
+  const onDismissReconnectingToast = useCallback(() => {}, []);
+
   return (
     <div
       className={styles.inRoom}
@@ -777,18 +899,26 @@ export const InCallView: FC<InCallViewProps> = ({
       {renderContent()}
       <CallEventAudioRenderer vm={vm} muted={muteAllAudio} />
       <ReactionsAudioRenderer vm={vm} muted={muteAllAudio} />
+      <Toast
+        onDismiss={onDismissReconnectingToast}
+        open={reconnecting}
+        portal={false}
+      >
+        {t("common.reconnecting")}
+      </Toast>
       <EarpieceOverlay
-        show={earpieceMode}
+        show={earpieceMode && !reconnecting}
         onBackToVideoPressed={audioOutputSwitcher?.switch}
       />
       <ReactionsOverlay vm={vm} />
+      {waitingOverlay}
       {footer}
       {layout.type !== "pip" && (
         <>
           <RageshakeRequestModal {...rageshakeRequestModalProps} />
           <SettingsModal
             client={client}
-            roomId={rtcSession.room.roomId}
+            roomId={matrixRoom.roomId}
             open={settingsModalOpen}
             onDismiss={closeSettings}
             tab={settingsTab}

src/room/ReactionAudioRenderer.test.tsx

@@ -69,6 +69,8 @@ beforeEach(() => {
   playSound = vitest.fn();
   (useAudioContext as MockedFunction<typeof useAudioContext>).mockReturnValue({
     playSound,
+    playSoundLooping: vitest.fn(),
+    soundDuration: {},
   });
 });
 

src/room/WaitingForJoin.module.css

@@ -0,0 +1,61 @@
+.overlay {
+  position: absolute;
+  inset: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  pointer-events: none;
+}
+
+.content {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 16px;
+}
+
+.pulse {
+  position: relative;
+  height: 90px;
+}
+
+.pulse::before {
+  content: "";
+  position: absolute;
+  inset: -12px;
+  border-radius: 9999px;
+  border: 12px solid rgba(255, 255, 255, 0.6);
+  animation: pulse var(--call-ring-duration-s) ease-out infinite;
+  animation-delay: 1s;
+  opacity: 0;
+}
+
+.text {
+  color: var(--cpd-color-text-on-solid-primary);
+}
+
+@keyframes pulse {
+  0% {
+    transform: scale(0.95);
+    opacity: 0.7;
+    transform: scale(0);
+    opacity: 1;
+  }
+  35% {
+    transform: scale(1.15);
+    opacity: 0.15;
+  }
+  50% {
+    transform: scale(1.2);
+    opacity: 0;
+  }
+  50.01% {
+    transform: scale(0);
+  }
+  85% {
+    transform: scale(0);
+  }
+  100% {
+    transform: scale(0);
+  }
+}

src/room/__snapshots__/InCallView.test.tsx.snap

@@ -49,6 +49,34 @@ exports[`InCallView > rendering > renders 1`] = `
               </svg>
             </span>
           </div>
+          <div
+            class="participantsLine"
+          >
+            <svg
+              aria-label="Participants"
+              fill="currentColor"
+              height="20"
+              viewBox="0 0 24 24"
+              width="20"
+              xmlns="http://www.w3.org/2000/svg"
+            >
+              <path
+                d="M9.175 13.825Q10.35 15 12 15t2.825-1.175T16 11t-1.175-2.825T12 7 9.175 8.175 8 11t1.175 2.825m4.237-1.412A1.93 1.93 0 0 1 12 13q-.825 0-1.412-.588A1.93 1.93 0 0 1 10 11q0-.825.588-1.412A1.93 1.93 0 0 1 12 9q.825 0 1.412.588Q14 10.175 14 11t-.588 1.412"
+              />
+              <path
+                d="M22 12c0 5.523-4.477 10-10 10S2 17.523 2 12 6.477 2 12 2s10 4.477 10 10m-2 0a8 8 0 1 0-16 0 8 8 0 0 0 16 0"
+              />
+              <path
+                d="M16.23 18.792a13 13 0 0 0-1.455-.455 11.6 11.6 0 0 0-5.55 0q-.73.18-1.455.455a8 8 0 0 1-1.729-1.454q1.336-.618 2.709-.95A13.8 13.8 0 0 1 12 16q1.65 0 3.25.387 1.373.333 2.709.95a8 8 0 0 1-1.73 1.455"
+              />
+            </svg>
+            <span
+              class="_typography_6v6n8_153 _font-body-sm-medium_6v6n8_41"
+              data-testid="roomHeader_participants_count"
+            >
+              2
+            </span>
+          </div>
         </div>
       </div>
       <div
@@ -256,7 +284,7 @@ exports[`InCallView > rendering > renders 1`] = `
       >
         <button
           aria-disabled="false"
-          aria-labelledby="«r5»"
+          aria-labelledby="«r8»"
           class="_button_vczzf_8 _has-icon_vczzf_57 _icon-only_vczzf_50"
           data-kind="primary"
           data-size="lg"
@@ -279,7 +307,7 @@ exports[`InCallView > rendering > renders 1`] = `
         </button>
         <button
           aria-disabled="false"
-          aria-labelledby="«ra»"
+          aria-labelledby="«rd»"
           class="_button_vczzf_8 _has-icon_vczzf_57 _icon-only_vczzf_50"
           data-kind="primary"
           data-size="lg"
@@ -301,7 +329,7 @@ exports[`InCallView > rendering > renders 1`] = `
           </svg>
         </button>
         <button
-          aria-labelledby="«rf»"
+          aria-labelledby="«ri»"
           class="_button_vczzf_8 _has-icon_vczzf_57 _icon-only_vczzf_50"
           data-kind="secondary"
           data-size="lg"
@@ -322,7 +350,7 @@ exports[`InCallView > rendering > renders 1`] = `
           </svg>
         </button>
         <button
-          aria-labelledby="«rk»"
+          aria-labelledby="«rn»"
           class="_button_vczzf_8 endCall _has-icon_vczzf_57 _icon-only_vczzf_50 _destructive_vczzf_107"
           data-kind="primary"
           data-size="lg"
@@ -348,7 +376,7 @@ exports[`InCallView > rendering > renders 1`] = `
         class="toggle layout"
       >
         <input
-          aria-labelledby="«rp»"
+          aria-labelledby="«rs»"
           name="layout"
           type="radio"
           value="spotlight"
@@ -366,7 +394,7 @@ exports[`InCallView > rendering > renders 1`] = `
           />
         </svg>
         <input
-          aria-labelledby="«ru»"
+          aria-labelledby="«r11»"
           checked=""
           name="layout"
           type="radio"

src/state/CallViewModel.ts

@@ -11,35 +11,52 @@ import {
   observeParticipantMedia,
 } from "@livekit/components-core";
 import {
+  ConnectionState,
   type Room as LivekitRoom,
   type LocalParticipant,
   ParticipantEvent,
   type RemoteParticipant,
 } from "livekit-client";
-import { RoomStateEvent, type Room, type RoomMember } from "matrix-js-sdk";
+import {
+  ClientEvent,
+  type EventTimelineSetHandlerMap,
+  EventType,
+  RoomEvent,
+  RoomStateEvent,
+  SyncState,
+  type Room as MatrixRoom,
+  type RoomMember,
+} from "matrix-js-sdk";
 import {
   BehaviorSubject,
   EMPTY,
+  NEVER,
   type Observable,
   Subject,
   combineLatest,
   concat,
   distinctUntilChanged,
+  endWith,
   filter,
   forkJoin,
   fromEvent,
+  ignoreElements,
   map,
   merge,
   mergeMap,
   of,
+  pairwise,
   race,
   scan,
   skip,
+  skipWhile,
   startWith,
   switchAll,
   switchMap,
   switchScan,
   take,
+  takeUntil,
+  throttleTime,
   timer,
   withLatestFrom,
 } from "rxjs";
@@ -48,6 +65,9 @@ import {
   type CallMembership,
   type MatrixRTCSession,
   MatrixRTCSessionEvent,
+  type MatrixRTCSessionEventHandlerMap,
+  MembershipManagerEvent,
+  Status,
 } from "matrix-js-sdk/lib/matrixrtc";
 
 import { ViewModel } from "./ViewModel";
@@ -62,7 +82,12 @@ import {
   ScreenShareViewModel,
   type UserMediaViewModel,
 } from "./MediaViewModel";
-import { accumulate, finalizeValue } from "../utils/observable";
+import {
+  accumulate,
+  and$,
+  finalizeValue,
+  pauseWhen,
+} from "../utils/observable";
 import { ObservableScope } from "./ObservableScope";
 import {
   duplicateTiles,
@@ -91,16 +116,27 @@ import { observeSpeaker$ } from "./observeSpeaker";
 import { shallowEquals } from "../utils/array";
 import { calculateDisplayName, shouldDisambiguate } from "../utils/displayname";
 import { type MediaDevices } from "./MediaDevices";
-import { type Behavior } from "./Behavior";
+import { constant, type Behavior } from "./Behavior";
 
 export interface CallViewModelOptions {
   encryptionSystem: EncryptionSystem;
   autoLeaveWhenOthersLeft?: boolean;
+  /**
+   * If the call is started in a way where we want it to behave like a telephone usecase
+   * If we sent a notification event, we want the ui to show a ringing state
+   */
+  waitForCallPickup?: boolean;
 }
+
 // How long we wait after a focus switch before showing the real participant
 // list again
 const POST_FOCUS_PARTICIPANT_UPDATE_DELAY_MS = 3000;
 
+// Do not play any sounds if the participant count has exceeded this
+// number.
+export const MAX_PARTICIPANT_COUNT_FOR_SOUND = 8;
+export const THROTTLE_SOUND_EFFECT_MS = 500;
+
 // This is the number of participants that we think constitutes a "small" call
 // on mobile. No spotlight tile should be shown below this threshold.
 const smallMobileCallThreshold = 3;
@@ -261,6 +297,7 @@ class UserMedia {
     encryptionSystem: EncryptionSystem,
     livekitRoom: LivekitRoom,
     mediaDevices: MediaDevices,
+    pretendToBeDisconnected$: Behavior<boolean>,
     displayname$: Observable<string>,
     handRaised$: Observable<Date | null>,
     reaction$: Observable<ReactionOption | null>,
@@ -288,6 +325,7 @@ class UserMedia {
         >,
         encryptionSystem,
         livekitRoom,
+        pretendToBeDisconnected$,
         this.scope.behavior(displayname$),
         this.scope.behavior(handRaised$),
         this.scope.behavior(reaction$),
@@ -341,7 +379,8 @@ class ScreenShare {
     member: RoomMember | undefined,
     participant: LocalParticipant | RemoteParticipant,
     encryptionSystem: EncryptionSystem,
-    liveKitRoom: LivekitRoom,
+    livekitRoom: LivekitRoom,
+    pretendToBeDisconnected$: Behavior<boolean>,
     displayName$: Observable<string>,
   ) {
     this.participant$ = new BehaviorSubject(participant);
@@ -351,7 +390,8 @@ class ScreenShare {
       member,
       this.participant$.asObservable(),
       encryptionSystem,
-      liveKitRoom,
+      livekitRoom,
+      pretendToBeDisconnected$,
       this.scope.behavior(displayName$),
       participant.isLocal,
     );
@@ -367,7 +407,7 @@ type MediaItem = UserMedia | ScreenShare;
 
 function getRoomMemberFromRtcMember(
   rtcMember: CallMembership,
-  room: Room,
+  room: MatrixRoom,
 ): { id: string; member: RoomMember | undefined } {
   // WARN! This is not exactly the sender but the user defined in the state key.
   // This will be available once we change to the new "member as object" format in the MatrixRTC object.
@@ -389,6 +429,79 @@ function getRoomMemberFromRtcMember(
 
 // TODO: Move wayyyy more business logic from the call and lobby views into here
 export class CallViewModel extends ViewModel {
+  private readonly userId = this.matrixRoom.client.getUserId();
+
+  private readonly matrixConnected$ = this.scope.behavior(
+    // To consider ourselves connected to MatrixRTC, we check the following:
+    and$(
+      // The client is connected to the sync loop
+      (
+        fromEvent(this.matrixRoom.client, ClientEvent.Sync) as Observable<
+          [SyncState]
+        >
+      ).pipe(
+        startWith([this.matrixRoom.client.getSyncState()]),
+        map(([state]) => state === SyncState.Syncing),
+      ),
+      // Room state observed by session says we're connected
+      fromEvent(
+        this.matrixRTCSession,
+        MembershipManagerEvent.StatusChanged,
+      ).pipe(
+        startWith(null),
+        map(() => this.matrixRTCSession.membershipStatus === Status.Connected),
+      ),
+      // Also watch out for warnings that we've likely hit a timeout and our
+      // delayed leave event is being sent (this condition is here because it
+      // provides an earlier warning than the sync loop timeout, and we wouldn't
+      // see the actual leave event until we reconnect to the sync loop)
+      fromEvent(
+        this.matrixRTCSession,
+        MembershipManagerEvent.ProbablyLeft,
+      ).pipe(
+        startWith(null),
+        map(() => this.matrixRTCSession.probablyLeft !== true),
+      ),
+    ),
+  );
+
+  private readonly connected$ = this.scope.behavior(
+    and$(
+      this.matrixConnected$,
+      this.livekitConnectionState$.pipe(
+        map((state) => state === ConnectionState.Connected),
+      ),
+    ),
+  );
+
+  /**
+   * Whether we should tell the user that we're reconnecting to the call.
+   */
+  public readonly reconnecting$ = this.scope.behavior(
+    this.connected$.pipe(
+      // We are reconnecting if we previously had some successful initial
+      // connection but are now disconnected
+      scan(
+        ({ connectedPreviously, reconnecting }, connectedNow) => ({
+          connectedPreviously: connectedPreviously || connectedNow,
+          reconnecting: connectedPreviously && !connectedNow,
+        }),
+        { connectedPreviously: false, reconnecting: false },
+      ),
+      map(({ reconnecting }) => reconnecting),
+    ),
+  );
+
+  /**
+   * Whether various media/event sources should pretend to be disconnected from
+   * all network input, even if their connection still technically works.
+   */
+  // We do this when the app is in the 'reconnecting' state, because it might be
+  // that the LiveKit connection is still functional while the homeserver is
+  // down, for example, and we want to avoid making people worry that the app is
+  // in a split-brained state.
+  private readonly pretendToBeDisconnected$ = this.reconnecting$;
+
   /**
    * The raw list of RemoteParticipants as reported by LiveKit
    */
@@ -403,7 +516,7 @@ export class CallViewModel extends ViewModel {
   private readonly remoteParticipantHolds$ = this.scope.behavior<
     RemoteParticipant[][]
   >(
-    this.connectionState$.pipe(
+    this.livekitConnectionState$.pipe(
       withLatestFrom(this.rawRemoteParticipants$),
       mergeMap(([s, ps]) => {
         // Whenever we switch focuses, we should retain all the previous
@@ -416,7 +529,7 @@ export class CallViewModel extends ViewModel {
             // Wait for time to pass and the connection state to have changed
             forkJoin([
               timer(POST_FOCUS_PARTICIPANT_UPDATE_DELAY_MS),
-              this.connectionState$.pipe(
+              this.livekitConnectionState$.pipe(
                 filter((s) => s !== ECAddonConnectionState.ECSwitchingFocus),
                 take(1),
               ),
@@ -440,74 +553,89 @@ export class CallViewModel extends ViewModel {
   /**
    * The RemoteParticipants including those that are being "held" on the screen
    */
-  private readonly remoteParticipants$ = this.scope.behavior<
-    RemoteParticipant[]
-  >(
-    combineLatest(
-      [this.rawRemoteParticipants$, this.remoteParticipantHolds$],
-      (raw, holds) => {
-        const result = [...raw];
-        const resultIds = new Set(result.map((p) => p.identity));
+  private readonly remoteParticipants$ = this.scope
+    .behavior<RemoteParticipant[]>(
+      combineLatest(
+        [this.rawRemoteParticipants$, this.remoteParticipantHolds$],
+        (raw, holds) => {
+          const result = [...raw];
+          const resultIds = new Set(result.map((p) => p.identity));
 
-        // Incorporate the held participants into the list
-        for (const hold of holds) {
-          for (const p of hold) {
-            if (!resultIds.has(p.identity)) {
-              result.push(p);
-              resultIds.add(p.identity);
+          // Incorporate the held participants into the list
+          for (const hold of holds) {
+            for (const p of hold) {
+              if (!resultIds.has(p.identity)) {
+                result.push(p);
+                resultIds.add(p.identity);
+              }
             }
           }
-        }
 
-        return result;
-      },
+          return result;
+        },
+      ),
+    )
+    .pipe(pauseWhen(this.pretendToBeDisconnected$));
+
+  private readonly memberships$ = this.scope.behavior(
+    fromEvent(
+      this.matrixRTCSession,
+      MatrixRTCSessionEvent.MembershipsChanged,
+    ).pipe(
+      startWith(null),
+      pauseWhen(this.pretendToBeDisconnected$),
+      map(() => this.matrixRTCSession.memberships),
     ),
   );
 
-  private readonly memberships$: Observable<CallMembership[]> = merge(
-    // Handle call membership changes.
-    fromEvent(this.matrixRTCSession, MatrixRTCSessionEvent.MembershipsChanged),
-    // Handle room membership changes (and displayname updates)
-    fromEvent(this.matrixRTCSession.room, RoomStateEvent.Members),
-  ).pipe(
-    startWith(this.matrixRTCSession.memberships),
-    map(() => {
-      return this.matrixRTCSession.memberships;
-    }),
-  );
-
   /**
    * Displaynames for each member of the call. This will disambiguate
    * any displaynames that clashes with another member. Only members
    * joined to the call are considered here.
    */
-  public readonly memberDisplaynames$ = this.memberships$.pipe(
-    map((memberships) => {
-      const displaynameMap = new Map<string, string>();
-      const { room } = this.matrixRTCSession;
+  // It turns out that doing the disambiguation above is rather expensive on Safari (10x slower
+  // than on Chrome/Firefox). This means it is important that we multicast the result so that we
+  // don't do this work more times than we need to. This is achieved by converting to a behavior:
+  public readonly memberDisplaynames$ = this.scope.behavior(
+    // React to call memberships and also display name updates
+    // (calculateDisplayName implicitly depends on the room member data)
+    combineLatest(
+      [
+        this.memberships$,
+        fromEvent(this.matrixRoom, RoomStateEvent.Members).pipe(
+          startWith(null),
+          pauseWhen(this.pretendToBeDisconnected$),
+        ),
+      ],
+      (memberships, _members) => {
+        const displaynameMap = new Map<string, string>();
+        const room = this.matrixRoom;
 
-      // We only consider RTC members for disambiguation as they are the only visible members.
-      for (const rtcMember of memberships) {
-        const matrixIdentifier = `${rtcMember.sender}:${rtcMember.deviceId}`;
-        const { member } = getRoomMemberFromRtcMember(rtcMember, room);
-        if (!member) {
-          logger.error("Could not find member for media id:", matrixIdentifier);
-          continue;
+        // We only consider RTC members for disambiguation as they are the only visible members.
+        for (const rtcMember of memberships) {
+          const matrixIdentifier = `${rtcMember.sender}:${rtcMember.deviceId}`;
+          const { member } = getRoomMemberFromRtcMember(rtcMember, room);
+          if (!member) {
+            logger.error(
+              "Could not find member for media id:",
+              matrixIdentifier,
+            );
+            continue;
+          }
+          const disambiguate = shouldDisambiguate(member, memberships, room);
+          displaynameMap.set(
+            matrixIdentifier,
+            calculateDisplayName(member, disambiguate),
+          );
         }
-        const disambiguate = shouldDisambiguate(member, memberships, room);
-        displaynameMap.set(
-          matrixIdentifier,
-          calculateDisplayName(member, disambiguate),
-        );
-      }
-      return displaynameMap;
-    }),
-    // It turns out that doing the disambiguation above is rather expensive on Safari (10x slower
-    // than on Chrome/Firefox). This means it is important that we multicast the result so that we
-    // don't do this work more times than we need to. This is achieved by converting to a behavior:
+        return displaynameMap;
+      },
+    ),
   );
 
-  public readonly handsRaised$ = this.scope.behavior(this.handsRaisedSubject$);
+  public readonly handsRaised$ = this.scope.behavior(
+    this.handsRaisedSubject$.pipe(pauseWhen(this.pretendToBeDisconnected$)),
+  );
 
   public readonly reactions$ = this.scope.behavior(
     this.reactionsSubject$.pipe(
@@ -519,6 +647,7 @@ export class CallViewModel extends ViewModel {
           ]),
         ),
       ),
+      pauseWhen(this.pretendToBeDisconnected$),
     ),
   );
 
@@ -530,13 +659,7 @@ export class CallViewModel extends ViewModel {
       this.remoteParticipants$,
       observeParticipantMedia(this.livekitRoom.localParticipant),
       duplicateTiles.value$,
-      // Also react to changes in the MatrixRTC session list.
-      // The session list will also be update if a room membership changes.
-      // No additional RoomState event listener needs to be set up.
-      fromEvent(
-        this.matrixRTCSession,
-        MatrixRTCSessionEvent.MembershipsChanged,
-      ).pipe(startWith(null)),
+      this.memberships$,
       showNonMemberTiles.value$,
     ]).pipe(
       scan(
@@ -546,15 +669,15 @@ export class CallViewModel extends ViewModel {
             remoteParticipants,
             { participant: localParticipant },
             duplicateTiles,
-            _membershipsChanged,
+            memberships,
             showNonMemberTiles,
           ],
         ) => {
           const newItems = new Map(
             function* (this: CallViewModel): Iterable<[string, MediaItem]> {
-              const room = this.matrixRTCSession.room;
+              const room = this.matrixRoom;
               // m.rtc.members are the basis for calculating what is visible in the call
-              for (const rtcMember of this.matrixRTCSession.memberships) {
+              for (const rtcMember of memberships) {
                 const { member, id: livekitParticipantId } =
                   getRoomMemberFromRtcMember(rtcMember, room);
                 const matrixIdentifier = `${rtcMember.sender}:${rtcMember.deviceId}`;
@@ -604,6 +727,7 @@ export class CallViewModel extends ViewModel {
                         this.options.encryptionSystem,
                         this.livekitRoom,
                         this.mediaDevices,
+                        this.pretendToBeDisconnected$,
                         this.memberDisplaynames$.pipe(
                           map((m) => m.get(matrixIdentifier) ?? "[👻]"),
                         ),
@@ -627,6 +751,7 @@ export class CallViewModel extends ViewModel {
                           participant,
                           this.options.encryptionSystem,
                           this.livekitRoom,
+                          this.pretendToBeDisconnected$,
                           this.memberDisplaynames$.pipe(
                             map((m) => m.get(matrixIdentifier) ?? "[👻]"),
                           ),
@@ -669,6 +794,7 @@ export class CallViewModel extends ViewModel {
                               this.options.encryptionSystem,
                               this.livekitRoom,
                               this.mediaDevices,
+                              this.pretendToBeDisconnected$,
                               this.memberDisplaynames$.pipe(
                                 map(
                                   (m) => m.get(participant.identity) ?? "[👻]",
@@ -717,76 +843,162 @@ export class CallViewModel extends ViewModel {
     ),
   );
 
-  /**
-   * This observable tracks the currently connected participants.
-   *
-   *  - Each participant has one livekit connection
-   *  - Each participant has a corresponding MatrixRTC membership state event
-   *  - There can be multiple participants for one matrix user.
-   */
-  public readonly participantChanges$ = this.userMedia$.pipe(
-    map((mediaItems) => mediaItems.map((m) => m.id)),
-    scan<string[], { ids: string[]; joined: string[]; left: string[] }>(
-      (prev, ids) => {
-        const left = prev.ids.filter((id) => !ids.includes(id));
-        const joined = ids.filter((id) => !prev.ids.includes(id));
-        return { ids, joined, left };
-      },
-      { ids: [], joined: [], left: [] },
+  public readonly joinSoundEffect$ = this.userMedia$.pipe(
+    pairwise(),
+    filter(
+      ([prev, current]) =>
+        current.length <= MAX_PARTICIPANT_COUNT_FOR_SOUND &&
+        current.length > prev.length,
     ),
-  );
-
-  /**
-   * This observable tracks the matrix users that are currently in the call.
-   * There can be just one matrix user with multiple participants (see also participantChanges$)
-   */
-  public readonly matrixUserChanges$ = this.userMedia$.pipe(
-    map(
-      (mediaItems) =>
-        new Set(
-          mediaItems
-            .map((m) => m.vm.member?.userId)
-            .filter((id) => id !== undefined),
-        ),
-    ),
-    scan<
-      Set<string>,
-      {
-        userIds: Set<string>;
-        joinedUserIds: Set<string>;
-        leftUserIds: Set<string>;
-      }
-    >(
-      (prevState, userIds) => {
-        const left = new Set(
-          [...prevState.userIds].filter((id) => !userIds.has(id)),
-        );
-        const joined = new Set(
-          [...userIds].filter((id) => !prevState.userIds.has(id)),
-        );
-        return { userIds: userIds, joinedUserIds: joined, leftUserIds: left };
-      },
-      { userIds: new Set(), joinedUserIds: new Set(), leftUserIds: new Set() },
-    ),
-  );
-
-  public readonly allOthersLeft$ = this.matrixUserChanges$.pipe(
-    map(({ userIds, leftUserIds }) => {
-      const userId = this.matrixRTCSession.room.client.getUserId();
-      if (!userId) {
-        logger.warn("Could access client.getUserId to compute allOthersLeft");
-        return false;
-      }
-      return userIds.size === 1 && userIds.has(userId) && leftUserIds.size > 0;
-    }),
-    startWith(false),
-    distinctUntilChanged(),
-  );
-
-  public readonly autoLeaveWhenOthersLeft$ = this.allOthersLeft$.pipe(
-    distinctUntilChanged(),
-    filter((leave) => (leave && this.options.autoLeaveWhenOthersLeft) ?? false),
     map(() => {}),
+    throttleTime(THROTTLE_SOUND_EFFECT_MS),
+  );
+
+  /**
+   * The number of participants currently in the call.
+   *
+   *  - Each participant has a corresponding MatrixRTC membership state event
+   *  - There can be multiple participants for one Matrix user if they join from
+   *    multiple devices.
+   */
+  public readonly participantCount$ = this.scope.behavior(
+    this.memberships$.pipe(map((ms) => ms.length)),
+  );
+
+  private readonly allOthersLeft$ = this.memberships$.pipe(
+    pairwise(),
+    filter(
+      ([prev, current]) =>
+        current.every((m) => m.sender === this.userId) &&
+        prev.some((m) => m.sender !== this.userId),
+    ),
+    map(() => {}),
+    take(1),
+  );
+
+  public readonly autoLeave$ = this.options.autoLeaveWhenOthersLeft
+    ? this.allOthersLeft$
+    : NEVER;
+
+  /**
+   * Whenever the RTC session tells us that it intends to ring the remote
+   * participant's devices, this emits an Observable tracking the current state of
+   * that ringing process.
+   */
+  private readonly ring$: Observable<
+    Observable<"ringing" | "timeout" | "decline">
+  > = (
+    fromEvent(
+      this.matrixRTCSession,
+      MatrixRTCSessionEvent.DidSendCallNotification,
+    ) as Observable<
+      Parameters<
+        MatrixRTCSessionEventHandlerMap[MatrixRTCSessionEvent.DidSendCallNotification]
+      >
+    >
+  ).pipe(
+    filter(
+      ([notificationEvent]) => notificationEvent.notification_type === "ring",
+    ),
+    map(([notificationEvent]) => {
+      const lifetimeMs = notificationEvent?.lifetime ?? 0;
+      return concat(
+        lifetimeMs === 0
+          ? // If no lifetime, skip the ring state
+            EMPTY
+          : // Ring until lifetime ms have passed
+            timer(lifetimeMs).pipe(
+              ignoreElements(),
+              startWith("ringing" as const),
+            ),
+        // The notification lifetime has timed out, meaning ringing has likely
+        // stopped on all receiving clients.
+        of("timeout" as const),
+        NEVER,
+      ).pipe(
+        takeUntil(
+          (
+            fromEvent(this.matrixRoom, RoomEvent.Timeline) as Observable<
+              Parameters<EventTimelineSetHandlerMap[RoomEvent.Timeline]>
+            >
+          ).pipe(
+            filter(
+              ([event]) =>
+                event.getType() === EventType.RTCDecline &&
+                event.getRelation()?.rel_type === "m.reference" &&
+                event.getRelation()?.event_id === notificationEvent.event_id &&
+                event.getSender() !== this.userId,
+            ),
+          ),
+        ),
+        endWith("decline" as const),
+      );
+    }),
+  );
+
+  /**
+   * Whether some Matrix user other than ourself is joined to the call.
+   */
+  private readonly someoneElseJoined$ = this.memberships$.pipe(
+    map((ms) => ms.some((m) => m.sender !== this.userId)),
+  );
+
+  /**
+   * The current call pickup state of the call.
+   *  - "unknown": The client has not yet sent the notification event. We don't know if it will because it first needs to send its own membership.
+   *     Then we can conclude if we were the first one to join or not.
+   *     This may also be set if we are disconnected.
+   *  - "ringing": The call is ringing on other devices in this room (This client should give audiovisual feedback that this is happening).
+   *  - "timeout": No-one picked up in the defined time this call should be ringing on others devices.
+   *     The call failed. If desired this can be used as a trigger to exit the call.
+   *  - "success": Someone else joined. The call is in a normal state. No audiovisual feedback.
+   *  - null: EC is configured to never show any waiting for answer state.
+   */
+  public readonly callPickupState$: Behavior<
+    "unknown" | "ringing" | "timeout" | "decline" | "success" | null
+  > = this.options.waitForCallPickup
+    ? this.scope.behavior<
+        "unknown" | "ringing" | "timeout" | "decline" | "success"
+      >(
+        combineLatest([
+          this.livekitConnectionState$,
+          this.someoneElseJoined$,
+        ]).pipe(
+          switchMap(([livekitConnectionState, someoneElseJoined]) => {
+            if (livekitConnectionState === ConnectionState.Disconnected) {
+              // Do not ring until we're connected.
+              return of("unknown" as const);
+            } else if (someoneElseJoined) {
+              return of("success" as const);
+            }
+            // Show the ringing state of the most recent ringing attempt.
+            return this.ring$.pipe(switchAll());
+          }),
+          // The state starts as 'unknown' because we don't know if the RTC
+          // session will actually send a notify event yet. It will only be
+          // known once we send our own membership and see that we were the
+          // first one to join.
+          startWith("unknown" as const),
+        ),
+      )
+    : constant(null);
+
+  public readonly leaveSoundEffect$ = combineLatest([
+    this.callPickupState$,
+    this.userMedia$,
+  ]).pipe(
+    // Until the call is successful, do not play a leave sound.
+    // If callPickupState$ is null, then we always play the sound as it will not conflict with a decline sound.
+    skipWhile(([c]) => c !== null && c !== "success"),
+    map(([, userMedia]) => userMedia),
+    pairwise(),
+    filter(
+      ([prev, current]) =>
+        current.length <= MAX_PARTICIPANT_COUNT_FOR_SOUND &&
+        current.length < prev.length,
+    ),
+    map(() => {}),
+    throttleTime(THROTTLE_SOUND_EFFECT_MS),
   );
 
   /**
@@ -889,7 +1101,7 @@ export class CallViewModel extends ViewModel {
           map((speaker) => (speaker ? [speaker] : [])),
         );
       }),
-      distinctUntilChanged(shallowEquals),
+      distinctUntilChanged<MediaViewModel[]>(shallowEquals),
     ),
   );
 
@@ -1474,10 +1686,11 @@ export class CallViewModel extends ViewModel {
   public constructor(
     // A call is permanently tied to a single Matrix room and LiveKit room
     private readonly matrixRTCSession: MatrixRTCSession,
+    private readonly matrixRoom: MatrixRoom,
     private readonly livekitRoom: LivekitRoom,
     private readonly mediaDevices: MediaDevices,
     private readonly options: CallViewModelOptions,
-    private readonly connectionState$: Observable<ECConnectionState>,
+    public readonly livekitConnectionState$: Observable<ECConnectionState>,
     private readonly handsRaisedSubject$: Observable<
       Record<string, RaisedHandInfo>
     >,
@@ -1486,5 +1699,51 @@ export class CallViewModel extends ViewModel {
     >,
   ) {
     super();
+
+    // Pause upstream of all local media tracks when we're disconnected from
+    // MatrixRTC, because it can be an unpleasant surprise for the app to say
+    // 'reconnecting' and yet still be transmitting your media to others.
+    // We use matrixConnected$ rather than reconnecting$ because we want to
+    // pause tracks during the initial joining sequence too until we're sure
+    // that our own media is displayed on screen.
+    this.matrixConnected$.pipe(this.scope.bind()).subscribe((connected) => {
+      const publications =
+        this.livekitRoom.localParticipant.trackPublications.values();
+      if (connected) {
+        for (const p of publications) {
+          if (p.track?.isUpstreamPaused === true) {
+            const kind = p.track.kind;
+            logger.log(
+              `Resumming ${kind} track (MatrixRTC connection present)`,
+            );
+            p.track
+              .resumeUpstream()
+              .catch((e) =>
+                logger.error(
+                  `Failed to resume ${kind} track after MatrixRTC reconnection`,
+                  e,
+                ),
+              );
+          }
+        }
+      } else {
+        for (const p of publications) {
+          if (p.track?.isUpstreamPaused === false) {
+            const kind = p.track.kind;
+            logger.log(
+              `Pausing ${kind} track (uncertain MatrixRTC connection)`,
+            );
+            p.track
+              .pauseUpstream()
+              .catch((e) =>
+                logger.error(
+                  `Failed to pause ${kind} track after entering uncertain MatrixRTC connection`,
+                  e,
+                ),
+              );
+          }
+        }
+      }
+    });
   }
 }

src/state/MediaViewModel.ts

@@ -361,10 +361,7 @@ export type UserMediaViewModel =
  * Some participant's user media.
  */
 abstract class BaseUserMediaViewModel extends BaseMediaViewModel {
-  /**
-   * Whether the participant is speaking.
-   */
-  public readonly speaking$ = this.scope.behavior(
+  private readonly _speaking$ = this.scope.behavior(
     this.participant$.pipe(
       switchMap((p) =>
         p
@@ -376,15 +373,27 @@ abstract class BaseUserMediaViewModel extends BaseMediaViewModel {
       ),
     ),
   );
+  /**
+   * Whether the participant is speaking.
+   */
+  // Getter backed by a private field so that subclasses can override it
+  public get speaking$(): Behavior<boolean> {
+    return this._speaking$;
+  }
 
   /**
    * Whether this participant is sending audio (i.e. is unmuted on their side).
    */
   public readonly audioEnabled$: Behavior<boolean>;
+
+  private readonly _videoEnabled$: Behavior<boolean>;
   /**
    * Whether this participant is sending video.
    */
-  public readonly videoEnabled$: Behavior<boolean>;
+  // Getter backed by a private field so that subclasses can override it
+  public get videoEnabled$(): Behavior<boolean> {
+    return this._videoEnabled$;
+  }
 
   private readonly _cropVideo$ = new BehaviorSubject(true);
   /**
@@ -421,7 +430,7 @@ abstract class BaseUserMediaViewModel extends BaseMediaViewModel {
     this.audioEnabled$ = this.scope.behavior(
       media$.pipe(map((m) => m?.microphoneTrack?.isMuted === false)),
     );
-    this.videoEnabled$ = this.scope.behavior(
+    this._videoEnabled$ = this.scope.behavior(
       media$.pipe(map((m) => m?.cameraTrack?.isMuted === false)),
     );
   }
@@ -572,6 +581,12 @@ export class LocalUserMediaViewModel extends BaseUserMediaViewModel {
  * A remote participant's user media.
  */
 export class RemoteUserMediaViewModel extends BaseUserMediaViewModel {
+  // This private field is used to override the value from the superclass
+  private __speaking$: Behavior<boolean>;
+  public get speaking$(): Behavior<boolean> {
+    return this.__speaking$;
+  }
+
   private readonly locallyMutedToggle$ = new Subject<void>();
   private readonly localVolumeAdjustment$ = new Subject<number>();
   private readonly localVolumeCommit$ = new Subject<void>();
@@ -611,6 +626,12 @@ export class RemoteUserMediaViewModel extends BaseUserMediaViewModel {
     ),
   );
 
+  // This private field is used to override the value from the superclass
+  private __videoEnabled$: Behavior<boolean>;
+  public get videoEnabled$(): Behavior<boolean> {
+    return this.__videoEnabled$;
+  }
+
   /**
    * Whether this participant's audio is disabled.
    */
@@ -624,6 +645,7 @@ export class RemoteUserMediaViewModel extends BaseUserMediaViewModel {
     participant$: Observable<RemoteParticipant | undefined>,
     encryptionSystem: EncryptionSystem,
     livekitRoom: LivekitRoom,
+    private readonly pretendToBeDisconnected$: Behavior<boolean>,
     displayname$: Behavior<string>,
     handRaised$: Behavior<Date | null>,
     reaction$: Behavior<ReactionOption | null>,
@@ -639,11 +661,33 @@ export class RemoteUserMediaViewModel extends BaseUserMediaViewModel {
       reaction$,
     );
 
+    this.__speaking$ = this.scope.behavior(
+      pretendToBeDisconnected$.pipe(
+        switchMap((disconnected) =>
+          disconnected ? of(false) : super.speaking$,
+        ),
+      ),
+    );
+
+    this.__videoEnabled$ = this.scope.behavior(
+      pretendToBeDisconnected$.pipe(
+        switchMap((disconnected) =>
+          disconnected ? of(false) : super.videoEnabled$,
+        ),
+      ),
+    );
+
     // Sync the local volume with LiveKit
     combineLatest([
       participant$,
-      this.localVolume$.pipe(this.scope.bind()),
-    ]).subscribe(([p, volume]) => p && p.setVolume(volume));
+      // The local volume, taking into account whether we're supposed to pretend
+      // that the audio stream is disconnected (since we don't necessarily want
+      // that to modify the UI state).
+      this.pretendToBeDisconnected$.pipe(
+        switchMap((disconnected) => (disconnected ? of(0) : this.localVolume$)),
+        this.scope.bind(),
+      ),
+    ]).subscribe(([p, volume]) => p?.setVolume(volume));
   }
 
   public toggleLocallyMuted(): void {
@@ -683,12 +727,20 @@ export class RemoteUserMediaViewModel extends BaseUserMediaViewModel {
  * Some participant's screen share media.
  */
 export class ScreenShareViewModel extends BaseMediaViewModel {
+  /**
+   * Whether this screen share's video should be displayed.
+   */
+  public readonly videoEnabled$ = this.scope.behavior(
+    this.pretendToBeDisconnected$.pipe(map((disconnected) => !disconnected)),
+  );
+
   public constructor(
     id: string,
     member: RoomMember | undefined,
     participant$: Observable<LocalParticipant | RemoteParticipant>,
     encryptionSystem: EncryptionSystem,
     livekitRoom: LivekitRoom,
+    private readonly pretendToBeDisconnected$: Behavior<boolean>,
     displayname$: Behavior<string>,
     public readonly local: boolean,
   ) {

src/tile/SpotlightTile.tsx

@@ -54,6 +54,7 @@ interface SpotlightItemBaseProps {
   targetWidth: number;
   targetHeight: number;
   video: TrackReferenceOrPlaceholder | undefined;
+  videoEnabled: boolean;
   member: RoomMember | undefined;
   unencryptedWarning: boolean;
   encryptionStatus: EncryptionStatus;
@@ -63,7 +64,6 @@ interface SpotlightItemBaseProps {
 }
 
 interface SpotlightUserMediaItemBaseProps extends SpotlightItemBaseProps {
-  videoEnabled: boolean;
   videoFit: "contain" | "cover";
 }
 
@@ -90,12 +90,10 @@ const SpotlightUserMediaItem: FC<SpotlightUserMediaItemProps> = ({
   vm,
   ...props
 }) => {
-  const videoEnabled = useBehavior(vm.videoEnabled$);
   const cropVideo = useBehavior(vm.cropVideo$);
 
   const baseProps: SpotlightUserMediaItemBaseProps &
     RefAttributes<HTMLDivElement> = {
-    videoEnabled,
     videoFit: cropVideo ? "cover" : "contain",
     ...props,
   };
@@ -135,6 +133,7 @@ const SpotlightItem: FC<SpotlightItemProps> = ({
   const ref = useMergedRefs(ourRef, theirRef);
   const displayName = useBehavior(vm.displayName$);
   const video = useBehavior(vm.video$);
+  const videoEnabled = useBehavior(vm.videoEnabled$);
   const unencryptedWarning = useBehavior(vm.unencryptedWarning$);
   const encryptionStatus = useBehavior(vm.encryptionStatus$);
 
@@ -160,6 +159,7 @@ const SpotlightItem: FC<SpotlightItemProps> = ({
     targetWidth,
     targetHeight,
     video,
+    videoEnabled,
     member: vm.member,
     unencryptedWarning,
     displayName,
@@ -169,7 +169,7 @@ const SpotlightItem: FC<SpotlightItemProps> = ({
   };
 
   return vm instanceof ScreenShareViewModel ? (
-    <MediaView videoEnabled videoFit="contain" mirror={false} {...baseProps} />
+    <MediaView videoFit="contain" mirror={false} {...baseProps} />
   ) : (
     <SpotlightUserMediaItem vm={vm} {...baseProps} />
   );

src/useAudioContext.tsx

@@ -32,6 +32,8 @@ async function playSound(
   buffer: AudioBuffer,
   volume: number,
   stereoPan: number,
+  delayS = 0,
+  abort?: AbortController,
 ): Promise<void> {
   const gain = ctx.createGain();
   gain.gain.setValueAtTime(volume, 0);
@@ -39,13 +41,62 @@ async function playSound(
   pan.pan.setValueAtTime(stereoPan, 0);
   const src = ctx.createBufferSource();
   src.buffer = buffer;
-  src.connect(gain).connect(pan).connect(ctx.destination);
+  abort?.signal.addEventListener("abort", () => {
+    src.disconnect();
+  });
   const p = new Promise<void>((r) => src.addEventListener("ended", () => r()));
+  src.connect(gain).connect(pan).connect(ctx.destination);
   controls.setPlaybackStarted();
-  src.start();
+  src.start(ctx.currentTime + delayS);
   return p;
 }
 
+/**
+ * Play a sound though a given AudioContext, looping until stopped. Will take
+ * care of connecting the correct buffer and gating
+ * through gain.
+ * @param volume The volume to play at.
+ * @param ctx The context to play through.
+ * @param buffer The buffer to play.
+ * @returns A function used to end the sound. This function will return a promise when the sound has stopped.
+ */
+function playSoundLooping(
+  ctx: AudioContext,
+  buffer: AudioBuffer,
+  volume: number,
+  stereoPan: number,
+  delayS?: number,
+): () => Promise<void> {
+  if (delayS === 0) {
+    throw Error("Looping sounds must have a delay");
+  }
+
+  // Our audio loop
+  let lastSoundPromise: Promise<void>;
+  let nextSoundPromise: Promise<void>;
+  let ac: AbortController | undefined;
+  void (async (): Promise<void> => {
+    ac = new AbortController();
+    // Play a sound immediately
+    lastSoundPromise = Promise.resolve();
+    do {
+      // Queue up the next sound.
+      nextSoundPromise = playSound(ctx, buffer, volume, stereoPan, delayS, ac);
+      // Await the previous sound.
+      await lastSoundPromise;
+      // Swap the promises over, and loop round to play the next sound.
+      lastSoundPromise = nextSoundPromise;
+    } while (!ac.signal.aborted);
+  })();
+
+  return async () => {
+    ac?.abort();
+    // Wait for sounds to finish.
+    await lastSoundPromise;
+    await nextSoundPromise;
+  };
+}
+
 interface Props<S extends string> {
   /**
    * The sounds to play. If no sounds should be played then
@@ -57,8 +108,13 @@ interface Props<S extends string> {
   muted?: boolean;
 }
 
-interface UseAudioContext<S> {
+interface UseAudioContext<S extends string> {
   playSound(soundName: S): Promise<void>;
+  playSoundLooping(soundName: S, delayS?: number): () => Promise<void>;
+  /**
+   * Map of sound name to duration in seconds.
+   */
+  soundDuration: Record<string, number>;
 }
 
 /**
@@ -146,5 +202,23 @@ export function useAudioContext<S extends string>(
         earpiecePan,
       );
     },
+    playSoundLooping: (name, delayS: number): (() => Promise<void>) => {
+      if (!audioBuffers[name]) {
+        throw Error(`Tried to play a sound that wasn't buffered (${name})`);
+      }
+      return playSoundLooping(
+        audioContext,
+        audioBuffers[name],
+        soundEffectVolume * earpieceVolume,
+        earpiecePan,
+        delayS,
+      );
+    },
+    soundDuration: Object.fromEntries(
+      Object.entries(audioBuffers).map(([k, v]) => [
+        k,
+        (v as AudioBuffer).duration,
+      ]),
+    ),
   };
 }

src/utils/observable.test.ts

@@ -0,0 +1,24 @@
+/*
+Copyright 2025 New Vector Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
+
+import { test } from "vitest";
+
+import { withTestScheduler } from "./test";
+import { pauseWhen } from "./observable";
+
+test("pauseWhen", () => {
+  withTestScheduler(({ behavior, expectObservable }) => {
+    const inputMarbles = " abcdefgh-i-jk-";
+    const pauseMarbles = " n-y--n-yn-y--n";
+    const outputMarbles = "abc--fgh-i---k";
+    expectObservable(
+      behavior(inputMarbles).pipe(
+        pauseWhen(behavior(pauseMarbles, { y: true, n: false })),
+      ),
+    ).toBe(outputMarbles);
+  });
+});

src/utils/observable.ts

@@ -7,16 +7,23 @@ Please see LICENSE in the repository root for full details.
 
 import {
   type Observable,
+  audit,
+  combineLatest,
   concat,
   defer,
+  filter,
   finalize,
   map,
+  of,
   scan,
   startWith,
   takeWhile,
   tap,
+  withLatestFrom,
 } from "rxjs";
 
+import { type Behavior } from "../state/Behavior";
+
 const nothing = Symbol("nothing");
 
 /**
@@ -86,3 +93,27 @@ export function getValue<T>(state$: Observable<T>): T {
   if (value === nothing) throw new Error("Not a state Observable");
   return value;
 }
+
+/**
+ * Creates an Observable that has a value of true whenever all its inputs are
+ * true.
+ */
+export function and$(...inputs: Observable<boolean>[]): Observable<boolean> {
+  return combineLatest(inputs, (...flags) => flags.every((flag) => flag));
+}
+
+/**
+ * RxJS operator that pauses all changes in the input value whenever a Behavior
+ * is true. When the Behavior returns to being false, the most recently
+ * suppressed change is emitted as the most recent value.
+ */
+export function pauseWhen<T>(pause$: Behavior<boolean>) {
+  return (value$: Observable<T>): Observable<T> =>
+    value$.pipe(
+      withLatestFrom(pause$),
+      audit(([, pause]) =>
+        pause ? pause$.pipe(filter((pause) => !pause)) : of(null),
+      ),
+      map(([value]) => value),
+    );
+}

src/utils/test-viewmodel.ts

@@ -14,10 +14,18 @@ import { BehaviorSubject, of } from "rxjs";
 import { vitest } from "vitest";
 import { type RelationsContainer } from "matrix-js-sdk/lib/models/relations-container";
 import EventEmitter from "events";
+import {
+  type RoomMember,
+  type MatrixClient,
+  type Room,
+  SyncState,
+} from "matrix-js-sdk";
 
-import type { RoomMember, MatrixClient } from "matrix-js-sdk";
 import { E2eeType } from "../e2ee/e2eeType";
-import { CallViewModel } from "../state/CallViewModel";
+import {
+  CallViewModel,
+  type CallViewModelOptions,
+} from "../state/CallViewModel";
 import {
   mockLivekitRoom,
   mockMatrixRoom,
@@ -34,10 +42,11 @@ import { type RaisedHandInfo, type ReactionInfo } from "../reactions";
 
 export function getBasicRTCSession(
   members: RoomMember[],
-  initialRemoteRtcMemberships: CallMembership[] = [aliceRtcMember],
+  initialRtcMemberships: CallMembership[] = [localRtcMember, aliceRtcMember],
 ): {
   rtcSession: MockRTCSession;
-  remoteRtcMemberships$: BehaviorSubject<CallMembership[]>;
+  matrixRoom: Room;
+  rtcMemberships$: BehaviorSubject<CallMembership[]>;
 } {
   const matrixRoomId = "!myRoomId:example.com";
   const matrixRoomMembers = new Map(members.map((p) => [p.userId, p]));
@@ -51,6 +60,7 @@ export function getBasicRTCSession(
     client: {
       getUserId: () => localRtcMember.sender,
       getDeviceId: () => localRtcMember.deviceId,
+      getSyncState: () => SyncState.Syncing,
       sendEvent: vitest.fn().mockResolvedValue({ event_id: "$fake:event" }),
       redactEvent: vitest.fn().mockResolvedValue({ event_id: "$fake:event" }),
       decryptEventIfNeeded: vitest.fn().mockResolvedValue(undefined),
@@ -91,55 +101,58 @@ export function getBasicRTCSession(
       ),
   });
 
-  const remoteRtcMemberships$ = new BehaviorSubject<CallMembership[]>(
-    initialRemoteRtcMemberships,
+  const rtcMemberships$ = new BehaviorSubject<CallMembership[]>(
+    initialRtcMemberships,
   );
 
-  const rtcSession = new MockRTCSession(
-    matrixRoom,
-    localRtcMember,
-  ).withMemberships(remoteRtcMemberships$);
+  const rtcSession = new MockRTCSession(matrixRoom).withMemberships(
+    rtcMemberships$,
+  );
 
   return {
     rtcSession,
-    remoteRtcMemberships$,
+    matrixRoom,
+    rtcMemberships$,
   };
 }
 
 /**
  * Construct a basic CallViewModel to test components that make use of it.
  * @param members
- * @param initialRemoteRtcMemberships
+ * @param initialRtcMemberships
  * @returns
  */
 export function getBasicCallViewModelEnvironment(
   members: RoomMember[],
-  initialRemoteRtcMemberships: CallMembership[] = [aliceRtcMember],
+  initialRtcMemberships: CallMembership[] = [localRtcMember, aliceRtcMember],
+  callViewModelOptions: Partial<CallViewModelOptions> = {},
 ): {
   vm: CallViewModel;
-  remoteRtcMemberships$: BehaviorSubject<CallMembership[]>;
+  rtcMemberships$: BehaviorSubject<CallMembership[]>;
   rtcSession: MockRTCSession;
   handRaisedSubject$: BehaviorSubject<Record<string, RaisedHandInfo>>;
   reactionsSubject$: BehaviorSubject<Record<string, ReactionInfo>>;
 } {
-  const { rtcSession, remoteRtcMemberships$ } = getBasicRTCSession(
+  const { rtcSession, matrixRoom, rtcMemberships$ } = getBasicRTCSession(
     members,
-    initialRemoteRtcMemberships,
+    initialRtcMemberships,
   );
   const handRaisedSubject$ = new BehaviorSubject({});
   const reactionsSubject$ = new BehaviorSubject({});
 
   const remoteParticipants$ = of([aliceParticipant]);
-  const liveKitRoom = mockLivekitRoom(
+  const livekitRoom = mockLivekitRoom(
     { localParticipant },
     { remoteParticipants$ },
   );
   const vm = new CallViewModel(
     rtcSession as unknown as MatrixRTCSession,
-    liveKitRoom,
+    matrixRoom,
+    livekitRoom,
     mockMediaDevices({}),
     {
       encryptionSystem: { kind: E2eeType.PER_PARTICIPANT },
+      ...callViewModelOptions,
     },
     of(ConnectionState.Connected),
     handRaisedSubject$,
@@ -147,7 +160,7 @@ export function getBasicCallViewModelEnvironment(
   );
   return {
     vm,
-    remoteRtcMemberships$,
+    rtcMemberships$,
     rtcSession,
     handRaisedSubject$: handRaisedSubject$,
     reactionsSubject$: reactionsSubject$,

src/utils/test.ts

@@ -19,8 +19,11 @@ import {
   type Focus,
   MatrixRTCSessionEvent,
   type MatrixRTCSessionEventHandlerMap,
+  MembershipManagerEvent,
   type SessionMembershipData,
+  Status,
 } from "matrix-js-sdk/lib/matrixrtc";
+import { type MembershipManagerEventHandlerMap } from "matrix-js-sdk/lib/matrixrtc/IMembershipManager";
 import {
   type LocalParticipant,
   type LocalTrackPublication,
@@ -35,6 +38,7 @@ import {
   type RoomAndToDeviceEventsHandlerMap,
 } from "matrix-js-sdk/lib/matrixrtc/RoomAndToDeviceKeyTransport";
 import { type TrackReference } from "@livekit/components-core";
+import EventEmitter from "events";
 
 import {
   LocalUserMediaViewModel,
@@ -141,26 +145,25 @@ export function withTestScheduler(
 }
 
 interface EmitterMock<T> {
-  on: () => T;
-  off: () => T;
-  addListener: () => T;
-  removeListener: () => T;
+  on: (...args: unknown[]) => T;
+  off: (...args: unknown[]) => T;
+  addListener: (...args: unknown[]) => T;
+  removeListener: (...args: unknown[]) => T;
+  emit: (event: string | symbol, ...args: unknown[]) => boolean;
 }
 
 export function mockEmitter<T>(): EmitterMock<T> {
+  const ee = new EventEmitter();
   return {
-    on(): T {
-      return this as T;
-    },
-    off(): T {
-      return this as T;
-    },
-    addListener(): T {
-      return this as T;
-    },
-    removeListener(): T {
-      return this as T;
-    },
+    on: ee.on.bind(ee) as unknown as (...args: unknown[]) => T,
+    off: ee.off.bind(ee) as unknown as (...args: unknown[]) => T,
+    addListener: ee.addListener.bind(ee) as unknown as (
+      ...args: unknown[]
+    ) => T,
+    removeListener: ee.removeListener.bind(ee) as unknown as (
+      ...args: unknown[]
+    ) => T,
+    emit: ee.emit.bind(ee),
   };
 }
 
@@ -233,6 +236,7 @@ export function mockLocalParticipant(
 ): LocalParticipant {
   return {
     isLocal: true,
+    trackPublications: new Map(),
     getTrackPublication: () =>
       ({}) as Partial<LocalTrackPublication> as LocalTrackPublication,
     ...mockEmitter(),
@@ -295,6 +299,7 @@ export async function withRemoteMedia(
       kind: E2eeType.PER_PARTICIPANT,
     },
     mockLivekitRoom({}, { remoteParticipants$: of([remoteParticipant]) }),
+    constant(false),
     constant(roomMember.rawDisplayName ?? "nodisplayname"),
     constant(null),
     constant(null),
@@ -316,8 +321,10 @@ export function mockConfig(config: Partial<ResolvedConfigOptions> = {}): void {
 }
 
 export class MockRTCSession extends TypedEventEmitter<
-  MatrixRTCSessionEvent | RoomAndToDeviceEvents,
-  MatrixRTCSessionEventHandlerMap & RoomAndToDeviceEventsHandlerMap
+  MatrixRTCSessionEvent | RoomAndToDeviceEvents | MembershipManagerEvent,
+  MatrixRTCSessionEventHandlerMap &
+    RoomAndToDeviceEventsHandlerMap &
+    MembershipManagerEventHandlerMap
 > {
   public readonly statistics = {
     counters: {},
@@ -327,7 +334,6 @@ export class MockRTCSession extends TypedEventEmitter<
 
   public constructor(
     public readonly room: Room,
-    private localMembership: CallMembership,
     public memberships: CallMembership[] = [],
   ) {
     super();
@@ -343,14 +349,37 @@ export class MockRTCSession extends TypedEventEmitter<
   ): MockRTCSession {
     rtcMembers$.subscribe((m) => {
       const old = this.memberships;
-      // always prepend the local participant
-      const updated = [this.localMembership, ...(m as CallMembership[])];
-      this.memberships = updated;
-      this.emit(MatrixRTCSessionEvent.MembershipsChanged, old, updated);
+      this.memberships = m as CallMembership[];
+      this.emit(
+        MatrixRTCSessionEvent.MembershipsChanged,
+        old,
+        this.memberships,
+      );
     });
 
     return this;
   }
+
+  private _membershipStatus = Status.Connected;
+  public get membershipStatus(): Status {
+    return this._membershipStatus;
+  }
+  public set membershipStatus(value: Status) {
+    const prev = this._membershipStatus;
+    this._membershipStatus = value;
+    if (value !== prev)
+      this.emit(MembershipManagerEvent.StatusChanged, prev, value);
+  }
+
+  private _probablyLeft = false;
+  public get probablyLeft(): boolean {
+    return this._probablyLeft;
+  }
+  public set probablyLeft(value: boolean) {
+    const prev = this._probablyLeft;
+    this._probablyLeft = value;
+    if (value !== prev) this.emit(MembershipManagerEvent.ProbablyLeft, value);
+  }
 }
 
 export const mockTrack = (identity: string): TrackReference =>

src/widget.ts

@@ -116,12 +116,13 @@ export const widget = ((): WidgetHelpers | null => {
         EventType.Reaction,
         EventType.RoomRedaction,
         ElementCallReactionEventType,
+        EventType.RTCDecline,
       ];
 
       const sendState = [
         userId, // Legacy call membership events
-        `_${userId}_${deviceId}`, // Session membership events
-        `${userId}_${deviceId}`, // The above with no leading underscore, for room versions whose auth rules allow it
+        `_${userId}_${deviceId}_m.call`, // Session membership events
+        `${userId}_${deviceId}_m.call`, // The above with no leading underscore, for room versions whose auth rules allow it
       ].map((stateKey) => ({
         eventType: EventType.GroupCallMemberPrefix,
         stateKey,

vite-embedded.config.ts

@@ -1,7 +1,15 @@
+/*
+Copyright 2025 New Vector Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
+
 import { defineConfig, mergeConfig } from "vite";
-import fullConfig from "./vite.config";
 import generateFile from "vite-plugin-generate-file";
 
+import fullConfig from "./vite.config";
+
 const base = "./";
 
 // Config for embedded deployments (possibly hosted under a non-root path)

vite.config.ts

@@ -5,7 +5,12 @@ SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
 Please see LICENSE in the repository root for full details.
 */
 
-import { defineConfig, loadEnv, searchForWorkspaceRoot } from "vite";
+import {
+  loadEnv,
+  searchForWorkspaceRoot,
+  type ConfigEnv,
+  type UserConfig,
+} from "vite";
 import svgrPlugin from "vite-plugin-svgr";
 import { createHtmlPlugin } from "vite-plugin-html";
 import { codecovVitePlugin } from "@codecov/vite-plugin";
@@ -15,10 +20,14 @@ import { realpathSync } from "fs";
 import * as fs from "node:fs";
 
 // https://vitejs.dev/config/
-export default defineConfig(({ mode, packageType }) => {
+// Modified type helper from defineConfig to allow for packageType (see defineConfig from vite)
+export default ({
+  mode,
+  packageType,
+}: ConfigEnv & { packageType?: "full" | "embedded" }): UserConfig => {
   const env = loadEnv(mode, process.cwd());
   // Environment variables with the VITE_ prefix are accessible at runtime.
-  // So, we set this to allow for build/package specific behaviour.
+  // So, we set this to allow for build/package specific behavior.
   // In future we might be able to do what is needed via code splitting at
   // build time.
   process.env.VITE_PACKAGE = packageType ?? "full";
@@ -93,7 +102,7 @@ export default defineConfig(({ mode, packageType }) => {
       sourcemap: true,
       rollupOptions: {
         output: {
-          assetFileNames: ({ originalFileNames }) => {
+          assetFileNames: ({ originalFileNames }): string => {
             if (originalFileNames) {
               for (const name of originalFileNames) {
                 // Custom asset name for locales to include the locale code in the filename
@@ -143,4 +152,4 @@ export default defineConfig(({ mode, packageType }) => {
       exclude: ["@matrix-org/matrix-sdk-crypto-wasm"],
     },
   };
-});
+};

vitest.config.ts

@@ -1,5 +1,6 @@
 import { defineConfig, mergeConfig } from "vitest/config";
-import viteConfig from "./vite.config.js";
+
+import viteConfig from "./vite.config";
 
 export default defineConfig((configEnv) =>
   mergeConfig(

yarn.lock

@@ -4503,142 +4503,149 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@rollup/rollup-android-arm-eabi@npm:4.41.1":
-  version: 4.41.1
-  resolution: "@rollup/rollup-android-arm-eabi@npm:4.41.1"
+"@rollup/rollup-android-arm-eabi@npm:4.50.1":
+  version: 4.50.1
+  resolution: "@rollup/rollup-android-arm-eabi@npm:4.50.1"
   conditions: os=android & cpu=arm
   languageName: node
   linkType: hard
 
-"@rollup/rollup-android-arm64@npm:4.41.1":
-  version: 4.41.1
-  resolution: "@rollup/rollup-android-arm64@npm:4.41.1"
+"@rollup/rollup-android-arm64@npm:4.50.1":
+  version: 4.50.1
+  resolution: "@rollup/rollup-android-arm64@npm:4.50.1"
   conditions: os=android & cpu=arm64
   languageName: node
   linkType: hard
 
-"@rollup/rollup-darwin-arm64@npm:4.41.1":
-  version: 4.41.1
-  resolution: "@rollup/rollup-darwin-arm64@npm:4.41.1"
+"@rollup/rollup-darwin-arm64@npm:4.50.1":
+  version: 4.50.1
+  resolution: "@rollup/rollup-darwin-arm64@npm:4.50.1"
   conditions: os=darwin & cpu=arm64
   languageName: node
   linkType: hard
 
-"@rollup/rollup-darwin-x64@npm:4.41.1":
-  version: 4.41.1
-  resolution: "@rollup/rollup-darwin-x64@npm:4.41.1"
+"@rollup/rollup-darwin-x64@npm:4.50.1":
+  version: 4.50.1
+  resolution: "@rollup/rollup-darwin-x64@npm:4.50.1"
   conditions: os=darwin & cpu=x64
   languageName: node
   linkType: hard
 
-"@rollup/rollup-freebsd-arm64@npm:4.41.1":
-  version: 4.41.1
-  resolution: "@rollup/rollup-freebsd-arm64@npm:4.41.1"
+"@rollup/rollup-freebsd-arm64@npm:4.50.1":
+  version: 4.50.1
+  resolution: "@rollup/rollup-freebsd-arm64@npm:4.50.1"
   conditions: os=freebsd & cpu=arm64
   languageName: node
   linkType: hard
 
-"@rollup/rollup-freebsd-x64@npm:4.41.1":
-  version: 4.41.1
-  resolution: "@rollup/rollup-freebsd-x64@npm:4.41.1"
+"@rollup/rollup-freebsd-x64@npm:4.50.1":
+  version: 4.50.1
+  resolution: "@rollup/rollup-freebsd-x64@npm:4.50.1"
   conditions: os=freebsd & cpu=x64
   languageName: node
   linkType: hard
 
-"@rollup/rollup-linux-arm-gnueabihf@npm:4.41.1":
-  version: 4.41.1
-  resolution: "@rollup/rollup-linux-arm-gnueabihf@npm:4.41.1"
+"@rollup/rollup-linux-arm-gnueabihf@npm:4.50.1":
+  version: 4.50.1
+  resolution: "@rollup/rollup-linux-arm-gnueabihf@npm:4.50.1"
   conditions: os=linux & cpu=arm & libc=glibc
   languageName: node
   linkType: hard
 
-"@rollup/rollup-linux-arm-musleabihf@npm:4.41.1":
-  version: 4.41.1
-  resolution: "@rollup/rollup-linux-arm-musleabihf@npm:4.41.1"
+"@rollup/rollup-linux-arm-musleabihf@npm:4.50.1":
+  version: 4.50.1
+  resolution: "@rollup/rollup-linux-arm-musleabihf@npm:4.50.1"
   conditions: os=linux & cpu=arm & libc=musl
   languageName: node
   linkType: hard
 
-"@rollup/rollup-linux-arm64-gnu@npm:4.41.1":
-  version: 4.41.1
-  resolution: "@rollup/rollup-linux-arm64-gnu@npm:4.41.1"
+"@rollup/rollup-linux-arm64-gnu@npm:4.50.1":
+  version: 4.50.1
+  resolution: "@rollup/rollup-linux-arm64-gnu@npm:4.50.1"
   conditions: os=linux & cpu=arm64 & libc=glibc
   languageName: node
   linkType: hard
 
-"@rollup/rollup-linux-arm64-musl@npm:4.41.1":
-  version: 4.41.1
-  resolution: "@rollup/rollup-linux-arm64-musl@npm:4.41.1"
+"@rollup/rollup-linux-arm64-musl@npm:4.50.1":
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+  resolution: "@rollup/rollup-linux-arm64-musl@npm:4.50.1"
   conditions: os=linux & cpu=arm64 & libc=musl
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-  resolution: "@rollup/rollup-linux-loongarch64-gnu@npm:4.41.1"
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+  resolution: "@rollup/rollup-linux-loongarch64-gnu@npm:4.50.1"
   conditions: os=linux & cpu=loong64 & libc=glibc
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-  resolution: "@rollup/rollup-linux-powerpc64le-gnu@npm:4.41.1"
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+  resolution: "@rollup/rollup-linux-ppc64-gnu@npm:4.50.1"
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-  resolution: "@rollup/rollup-linux-riscv64-gnu@npm:4.41.1"
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-  resolution: "@rollup/rollup-linux-riscv64-musl@npm:4.41.1"
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-  resolution: "@rollup/rollup-linux-s390x-gnu@npm:4.41.1"
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-  resolution: "@rollup/rollup-linux-x64-gnu@npm:4.41.1"
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   conditions: os=linux & cpu=x64 & libc=glibc
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-  resolution: "@rollup/rollup-linux-x64-musl@npm:4.41.1"
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-  resolution: "@rollup/rollup-win32-arm64-msvc@npm:4.41.1"
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+  resolution: "@rollup/rollup-openharmony-arm64@npm:4.50.1"
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+  resolution: "@rollup/rollup-win32-arm64-msvc@npm:4.50.1"
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-  resolution: "@rollup/rollup-win32-ia32-msvc@npm:4.41.1"
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   conditions: os=win32 & cpu=ia32
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-  resolution: "@rollup/rollup-win32-x64-msvc@npm:4.41.1"
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+  resolution: "@rollup/rollup-win32-x64-msvc@npm:4.50.1"
   conditions: os=win32 & cpu=x64
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@@ -5148,10 +5155,10 @@ __metadata:
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-  version: 1.0.7
-  resolution: "@types/estree@npm:1.0.7"
-  checksum: 10c0/be815254316882f7c40847336cd484c3bc1c3e34f710d197160d455dc9d6d050ffbf4c3bc76585dba86f737f020ab20bdb137ebe0e9116b0c86c7c0342221b8c
+"@types/estree@npm:1.0.8":
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+  resolution: "@types/estree@npm:1.0.8"
+  checksum: 10c0/39d34d1afaa338ab9763f37ad6066e3f349444f9052b9676a7cc0252ef9485a41c6d81c9c4e0d26e9077993354edf25efc853f3224dd4b447175ef62bdcc86a5
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@@ -7558,7 +7565,7 @@ __metadata:
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     unique-names-generator: "npm:^4.6.0"
     vaul: "npm:^1.0.0"
-    vite: "npm:^6.0.0"
+    vite: "npm:^7.0.0"
     vite-plugin-generate-file: "npm:^0.3.0"
     vite-plugin-html: "npm:^3.2.2"
     vite-plugin-svgr: "npm:^4.0.0"
@@ -8483,6 +8490,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"fdir@npm:^6.5.0":
+  version: 6.5.0
+  resolution: "fdir@npm:6.5.0"
+  peerDependencies:
+    picomatch: ^3 || ^4
+  peerDependenciesMeta:
+    picomatch:
+      optional: true
+  checksum: 10c0/e345083c4306b3aed6cb8ec551e26c36bab5c511e99ea4576a16750ddc8d3240e63826cc624f5ae17ad4dc82e68a253213b60d556c11bfad064b7607847ed07f
+  languageName: node
+  linkType: hard
+
 "fflate@npm:^0.4.8":
   version: 0.4.8
   resolution: "fflate@npm:0.4.8"
@@ -10046,8 +10065,8 @@ __metadata:
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 "livekit-client@npm:^2.13.0":
-  version: 2.15.4
-  resolution: "livekit-client@npm:2.15.4"
+  version: 2.15.6
+  resolution: "livekit-client@npm:2.15.6"
   dependencies:
     "@livekit/mutex": "npm:1.1.1"
     "@livekit/protocol": "npm:1.39.3"
@@ -10060,7 +10079,7 @@ __metadata:
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   peerDependencies:
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-  checksum: 10c0/f12a3b604aed8e075791c60a75c9eea5467e5a0bab48c2eb23216ec357e89a50199274121e0330b61f946d0be9556058824ce1b832003e722786e54ba33017a6
+  checksum: 10c0/f1ab6cdf2b85647036e9de906734c1394dac497da0bd879a29d0c587c437ada262021478fcef24df99b3489a39d97fe67ab33de0785ed0a63335da2fef577192
   languageName: node
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@@ -10279,8 +10298,8 @@ __metadata:
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 "matrix-js-sdk@github:matrix-org/matrix-js-sdk#head=develop":
-  version: 37.12.0
-  resolution: "matrix-js-sdk@https://github.com/matrix-org/matrix-js-sdk.git#commit=c4e1e0723e3674725f8ed9cda5be7a7efe304e29"
+  version: 37.13.0
+  resolution: "matrix-js-sdk@https://github.com/matrix-org/matrix-js-sdk.git#commit=2f1d654f14be8dd03896e9e76f12017b6f9eec1c"
   dependencies:
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     "@matrix-org/matrix-sdk-crypto-wasm": "npm:^15.1.0"
@@ -10296,7 +10315,7 @@ __metadata:
     sdp-transform: "npm:^2.14.1"
     unhomoglyph: "npm:^1.0.6"
     uuid: "npm:11"
-  checksum: 10c0/e8f97b90ded9e46bdd803dde9861e178c76741999c224cbc869ad38695f300702405e5c365e270663b90e2a317b646bbf2b9e9bd7d51ffce36e6d2ca3ab29ed9
+  checksum: 10c0/ecd019c677c272c5598617dcde407dbe4b1b11460863b2a577e33f3fd8732c9d9073ec0221b471ec1eb24e2839eec20728db7f92c9348be83126547286e50805
   languageName: node
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@@ -11097,6 +11116,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"picomatch@npm:^4.0.3":
+  version: 4.0.3
+  resolution: "picomatch@npm:4.0.3"
+  checksum: 10c0/9582c951e95eebee5434f59e426cddd228a7b97a0161a375aed4be244bd3fe8e3a31b846808ea14ef2c8a2527a6eeab7b3946a67d5979e81694654f939473ae2
+  languageName: node
+  linkType: hard
+
 "playwright-core@npm:1.54.1":
   version: 1.54.1
   resolution: "playwright-core@npm:1.54.1"
@@ -11523,7 +11549,7 @@ __metadata:
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-"postcss@npm:^8.4.41, postcss@npm:^8.5.3":
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   resolution: "postcss@npm:8.5.6"
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-"rollup@npm:^4.34.9, rollup@npm:^4.40.0":
-  version: 4.41.1
-  resolution: "rollup@npm:4.41.1"
+"rollup@npm:^4.43.0":
+  version: 4.50.1
+  resolution: "rollup@npm:4.50.1"
   dependencies:
-    "@rollup/rollup-android-arm-eabi": "npm:4.41.1"
-    "@rollup/rollup-android-arm64": "npm:4.41.1"
-    "@rollup/rollup-darwin-arm64": "npm:4.41.1"
-    "@rollup/rollup-darwin-x64": "npm:4.41.1"
-    "@rollup/rollup-freebsd-arm64": "npm:4.41.1"
-    "@rollup/rollup-freebsd-x64": "npm:4.41.1"
-    "@rollup/rollup-linux-arm-gnueabihf": "npm:4.41.1"
-    "@rollup/rollup-linux-arm-musleabihf": "npm:4.41.1"
-    "@rollup/rollup-linux-arm64-gnu": "npm:4.41.1"
-    "@rollup/rollup-linux-arm64-musl": "npm:4.41.1"
-    "@rollup/rollup-linux-loongarch64-gnu": "npm:4.41.1"
-    "@rollup/rollup-linux-powerpc64le-gnu": "npm:4.41.1"
-    "@rollup/rollup-linux-riscv64-gnu": "npm:4.41.1"
-    "@rollup/rollup-linux-riscv64-musl": "npm:4.41.1"
-    "@rollup/rollup-linux-s390x-gnu": "npm:4.41.1"
-    "@rollup/rollup-linux-x64-gnu": "npm:4.41.1"
-    "@rollup/rollup-linux-x64-musl": "npm:4.41.1"
-    "@rollup/rollup-win32-arm64-msvc": "npm:4.41.1"
-    "@rollup/rollup-win32-ia32-msvc": "npm:4.41.1"
-    "@rollup/rollup-win32-x64-msvc": "npm:4.41.1"
-    "@types/estree": "npm:1.0.7"
+    "@rollup/rollup-android-arm-eabi": "npm:4.50.1"
+    "@rollup/rollup-android-arm64": "npm:4.50.1"
+    "@rollup/rollup-darwin-arm64": "npm:4.50.1"
+    "@rollup/rollup-darwin-x64": "npm:4.50.1"
+    "@rollup/rollup-freebsd-arm64": "npm:4.50.1"
+    "@rollup/rollup-freebsd-x64": "npm:4.50.1"
+    "@rollup/rollup-linux-arm-gnueabihf": "npm:4.50.1"
+    "@rollup/rollup-linux-arm-musleabihf": "npm:4.50.1"
+    "@rollup/rollup-linux-arm64-gnu": "npm:4.50.1"
+    "@rollup/rollup-linux-arm64-musl": "npm:4.50.1"
+    "@rollup/rollup-linux-loongarch64-gnu": "npm:4.50.1"
+    "@rollup/rollup-linux-ppc64-gnu": "npm:4.50.1"
+    "@rollup/rollup-linux-riscv64-gnu": "npm:4.50.1"
+    "@rollup/rollup-linux-riscv64-musl": "npm:4.50.1"
+    "@rollup/rollup-linux-s390x-gnu": "npm:4.50.1"
+    "@rollup/rollup-linux-x64-gnu": "npm:4.50.1"
+    "@rollup/rollup-linux-x64-musl": "npm:4.50.1"
+    "@rollup/rollup-openharmony-arm64": "npm:4.50.1"
+    "@rollup/rollup-win32-arm64-msvc": "npm:4.50.1"
+    "@rollup/rollup-win32-ia32-msvc": "npm:4.50.1"
+    "@rollup/rollup-win32-x64-msvc": "npm:4.50.1"
+    "@types/estree": "npm:1.0.8"
     fsevents: "npm:~2.3.2"
   dependenciesMeta:
     "@rollup/rollup-android-arm-eabi":
@@ -12300,7 +12327,7 @@ __metadata:
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     "@rollup/rollup-linux-loongarch64-gnu":
       optional: true
-    "@rollup/rollup-linux-powerpc64le-gnu":
+    "@rollup/rollup-linux-ppc64-gnu":
       optional: true
     "@rollup/rollup-linux-riscv64-gnu":
       optional: true
@@ -12312,6 +12339,8 @@ __metadata:
       optional: true
     "@rollup/rollup-linux-x64-musl":
       optional: true
+    "@rollup/rollup-openharmony-arm64":
+      optional: true
     "@rollup/rollup-win32-arm64-msvc":
       optional: true
     "@rollup/rollup-win32-ia32-msvc":
@@ -12322,7 +12351,7 @@ __metadata:
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     rollup: dist/bin/rollup
-  checksum: 10c0/c4d5f2257320b50dc0e035e31d8d2f78d36b7015aef2f87cc984c0a1c97ffebf14337dddeb488b4b11ae798fea6486189b77e7cf677617dcf611d97db41ebfda
+  checksum: 10c0/2029282826d5fb4e308be261b2c28329a4d2bd34304cc3960da69fd21d5acccd0267d6770b1656ffc8f166203ef7e865b4583d5f842a519c8ef059ac71854205
   languageName: node
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@@ -13158,7 +13187,7 @@ __metadata:
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-"tinyglobby@npm:^0.2.13, tinyglobby@npm:^0.2.14":
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   resolution: "tinyglobby@npm:0.2.14"
   dependencies:
@@ -13168,6 +13197,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"tinyglobby@npm:^0.2.15":
+  version: 0.2.15
+  resolution: "tinyglobby@npm:0.2.15"
+  dependencies:
+    fdir: "npm:^6.5.0"
+    picomatch: "npm:^4.0.3"
+  checksum: 10c0/869c31490d0d88eedb8305d178d4c75e7463e820df5a9b9d388291daf93e8b1eb5de1dad1c1e139767e4269fe75f3b10d5009b2cc14db96ff98986920a186844
+  languageName: node
+  linkType: hard
+
 "tinypool@npm:^1.1.1":
   version: 1.1.1
   resolution: "tinypool@npm:1.1.1"
@@ -13886,17 +13925,17 @@ __metadata:
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-"vite@npm:^5.0.0 || ^6.0.0 || ^7.0.0-0":
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-  resolution: "vite@npm:7.0.0-beta.0"
+"vite@npm:^5.0.0 || ^6.0.0 || ^7.0.0-0, vite@npm:^7.0.0":
+  version: 7.1.5
+  resolution: "vite@npm:7.1.5"
   dependencies:
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-    fdir: "npm:^6.4.4"
+    fdir: "npm:^6.5.0"
     fsevents: "npm:~2.3.3"
-    picomatch: "npm:^4.0.2"
-    postcss: "npm:^8.5.3"
-    rollup: "npm:^4.40.0"
-    tinyglobby: "npm:^0.2.14"
+    picomatch: "npm:^4.0.3"
+    postcss: "npm:^8.5.6"
+    rollup: "npm:^4.43.0"
+    tinyglobby: "npm:^0.2.15"
   peerDependencies:
     "@types/node": ^20.19.0 || >=22.12.0
     jiti: ">=1.21.0"
@@ -13937,62 +13976,7 @@ __metadata:
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-  languageName: node
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-"vite@npm:^6.0.0":
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-  resolution: "vite@npm:6.3.5"
-  dependencies:
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-    fdir: "npm:^6.4.4"
-    fsevents: "npm:~2.3.3"
-    picomatch: "npm:^4.0.2"
-    postcss: "npm:^8.5.3"
-    rollup: "npm:^4.34.9"
-    tinyglobby: "npm:^0.2.13"
-  peerDependencies:
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-    jiti: ">=1.21.0"
-    less: "*"
-    lightningcss: ^1.21.0
-    sass: "*"
-    sass-embedded: "*"
-    stylus: "*"
-    sugarss: "*"
-    terser: ^5.16.0
-    tsx: ^4.8.1
-    yaml: ^2.4.2
-  dependenciesMeta:
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-      optional: true
-  peerDependenciesMeta:
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-    sass:
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-    sass-embedded:
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-    stylus:
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-    sugarss:
-      optional: true
-    terser:
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