New ringing UI

This implements the new ringing UI by showing a placeholder tile for the participant being dialed, rather than an overlay.

src/room/InCallView.tsx

@@ -5,7 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
 Please see LICENSE in the repository root for full details.
 */
 
-import { IconButton, Text, Tooltip } from "@vector-im/compound-web";
+import { IconButton, Tooltip } from "@vector-im/compound-web";
 import { type MatrixClient, type Room as MatrixRoom } from "matrix-js-sdk";
 import {
   type FC,
@@ -98,8 +98,6 @@ import { useAppBarHidden, useAppBarSecondaryButton } from "../AppBar.tsx";
 import { useBehavior } from "../useBehavior.ts";
 import { Toast } from "../Toast.tsx";
 import overlayStyles from "../Overlay.module.css";
-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";
@@ -107,6 +105,7 @@ import ringtoneOgg from "../sound/ringtone.ogg?url";
 import { useTrackProcessorObservable$ } from "../livekit/TrackProcessorContext.tsx";
 import { type Layout } from "../state/layout-types.ts";
 import { ObservableScope } from "../state/ObservableScope.ts";
+import { useLatest } from "../useLatest.ts";
 
 const logger = rootLogger.getChild("[InCallView]");
 
@@ -224,8 +223,6 @@ export const InCallView: FC<InCallViewProps> = ({
   const { showControls } = useUrlParams();
 
   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 () => {
@@ -239,6 +236,7 @@ export const InCallView: FC<InCallViewProps> = ({
     latencyHint: "interactive",
     muted: muteAllAudio,
   });
+  const latestPickupPhaseAudio = useLatest(pickupPhaseAudio);
 
   const audioEnabled = useBehavior(muteStates.audio.enabled$);
   const videoEnabled = useBehavior(muteStates.video.enabled$);
@@ -257,6 +255,7 @@ export const InCallView: FC<InCallViewProps> = ({
     () => void toggleRaisedHand(),
   );
 
+  const ringing = useBehavior(vm.ringing$);
   const audioParticipants = useBehavior(vm.livekitRoomItems$);
   const participantCount = useBehavior(vm.participantCount$);
   const reconnecting = useBehavior(vm.reconnecting$);
@@ -271,7 +270,6 @@ export const InCallView: FC<InCallViewProps> = ({
   const audioOutputSwitcher = useBehavior(vm.audioOutputSwitcher$);
   const sharingScreen = useBehavior(vm.sharingScreen$);
 
-  const ringOverlay = useBehavior(vm.ringOverlay$);
   const fatalCallError = useBehavior(vm.fatalError$);
   // Stop the rendering and throw for the error boundary
   if (fatalCallError) {
@@ -279,58 +277,21 @@ export const InCallView: FC<InCallViewProps> = ({
     throw fatalCallError;
   }
 
-  // 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 waiting for pickup, loop a waiting sound
+  // While ringing, loop the ringtone
   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(() => {
-    return ringOverlay ? (
-      <div className={classNames(overlayStyles.bg, waitingStyles.overlay)}>
-        <div
-          className={classNames(overlayStyles.content, waitingStyles.content)}
-        >
-          <div className={waitingStyles.pulse}>
-            <Avatar
-              id={ringOverlay.idForAvatar}
-              name={ringOverlay.name}
-              src={ringOverlay.avatarMxc}
-              size={AvatarSize.XL}
-            />
-          </div>
-          <Text size="md" className={waitingStyles.text}>
-            {ringOverlay.text}
-          </Text>
-        </div>
-      </div>
-    ) : null;
-  }, [ringOverlay]);
+    const audio = latestPickupPhaseAudio.current;
+    if (ringing && audio) {
+      const endSound = audio.playSoundLooping(
+        "waiting",
+        audio.soundDuration["waiting"] ?? 1,
+      );
+      return () => {
+        void endSound().catch((e) => {
+          logger.error("Failed to stop ringing sound", e);
+        });
+      };
+    }
+  }, [ringing, latestPickupPhaseAudio]);
 
   const onViewClick = useCallback(
     (e: ReactMouseEvent) => {
@@ -764,7 +725,6 @@ export const InCallView: FC<InCallViewProps> = ({
       {reconnectingToast}
       {earpieceOverlay}
       <ReactionsOverlay vm={vm} />
-      {waitingOverlay}
       {footer}
       {layout.type !== "pip" && (
         <>