New room list: fix incorrect decoration (#29770)

* fix(call): reset call value when the roomId changes

* fix(call): reset presence indicator when the room changes

* refactor: use existing `usePresence`

* test: fix room avatar view test

* test: update snapshots

src/components/viewmodels/avatars/RoomAvatarViewModel.tsx

@@ -5,32 +5,11 @@
  * Please see LICENSE files in the repository root for full details.
  */
 
-import {
-    EventType,
-    JoinRule,
-    type MatrixEvent,
-    type Room,
-    RoomEvent,
-    type User,
-    UserEvent,
-} from "matrix-js-sdk/src/matrix";
+import { EventType, JoinRule, type MatrixEvent, type Room, RoomEvent } from "matrix-js-sdk/src/matrix";
 import { useEffect, useState } from "react";
 
 import { useTypedEventEmitter } from "../../../hooks/useEventEmitter";
-import DMRoomMap from "../../../utils/DMRoomMap";
-import { getJoinedNonFunctionalMembers } from "../../../utils/room/getJoinedNonFunctionalMembers";
-import { BUSY_PRESENCE_NAME } from "../../views/rooms/PresenceLabel";
-import { isPresenceEnabled } from "../../../utils/presence";
-
-/**
- * The presence of a user in a DM room.
- * - "online": The user is online.
- * - "offline": The user is offline.
- * - "busy": The user is busy.
- * - "unavailable": the presence is unavailable.
- * - null: the user is not in a DM room or presence is not enabled.
- */
-export type Presence = "online" | "offline" | "busy" | "unavailable" | null;
+import { useDmMember, usePresence, type Presence } from "../../views/avatars/WithPresenceIndicator";
 
 export interface RoomAvatarViewState {
     /**
@@ -50,7 +29,7 @@ export interface RoomAvatarViewState {
      * The presence of the user in the DM room.
      * If null, the user is not in a DM room or presence is not enabled.
      */
-    presence: Presence;
+    presence: Presence | null;
 }
 
 /**
@@ -59,7 +38,8 @@ export interface RoomAvatarViewState {
  */
 export function useRoomAvatarViewModel(room: Room): RoomAvatarViewState {
     const isVideoRoom = room.isElementVideoRoom() || room.isCallRoom();
-    const presence = useDMPresence(room);
+    const roomMember = useDmMember(room);
+    const presence = usePresence(room, roomMember);
     const isPublic = useIsPublic(room);
 
     const hasDecoration = isPublic || isVideoRoom || presence !== null;
@@ -97,48 +77,3 @@ function useIsPublic(room: Room): boolean {
 function isRoomPublic(room: Room): boolean {
     return room.getJoinRule() === JoinRule.Public;
 }
-
-/**
- * Hook listening to the presence of the DM user.
- * @param room
- */
-function useDMPresence(room: Room): Presence {
-    const dmUser = getDMUser(room);
-    const [presence, setPresence] = useState<Presence>(getPresence(dmUser));
-    useTypedEventEmitter(dmUser, UserEvent.Presence, () => setPresence(getPresence(dmUser)));
-    useTypedEventEmitter(dmUser, UserEvent.CurrentlyActive, () => setPresence(getPresence(dmUser)));
-
-    return presence;
-}
-
-/**
- * Get the DM user of the room.
- * Return undefined if the room is not a DM room, if we can't find the user or if the presence is not enabled.
- * @param room
- * @returns found user
- */
-function getDMUser(room: Room): User | undefined {
-    const otherUserId = DMRoomMap.shared().getUserIdForRoomId(room.roomId);
-    if (!otherUserId) return;
-    if (getJoinedNonFunctionalMembers(room).length !== 2) return;
-    if (!isPresenceEnabled(room.client)) return;
-
-    return room.client.getUser(otherUserId) || undefined;
-}
-
-/**
- * Get the presence of the DM user.
- * @param dmUser
- */
-function getPresence(dmUser: User | undefined): Presence {
-    if (!dmUser) return null;
-    if (BUSY_PRESENCE_NAME.matches(dmUser.presence)) return "busy";
-
-    const isOnline = dmUser.currentlyActive || dmUser.presence === "online";
-    if (isOnline) return "online";
-
-    if (dmUser.presence === "offline") return "offline";
-    if (dmUser.presence === "unavailable") return "unavailable";
-
-    return null;
-}

src/components/views/avatars/RoomAvatarView.tsx

@@ -15,8 +15,9 @@ import BusyIcon from "@vector-im/compound-design-tokens/assets/web/icons/presenc
 import classNames from "classnames";
 
 import RoomAvatar from "./RoomAvatar";
-import { useRoomAvatarViewModel, type Presence } from "../../viewmodels/avatars/RoomAvatarViewModel";
+import { useRoomAvatarViewModel } from "../../viewmodels/avatars/RoomAvatarViewModel";
 import { _t } from "../../../languageHandler";
+import { Presence } from "./WithPresenceIndicator";
 
 interface RoomAvatarViewProps {
     /**
@@ -83,7 +84,7 @@ type PresenceDecorationProps = {
  */
 function PresenceDecoration({ presence }: PresenceDecorationProps): JSX.Element {
     switch (presence) {
-        case "online":
+        case Presence.Online:
             return (
                 <OnlineOrUnavailableIcon
                     width="8px"
@@ -93,7 +94,7 @@ function PresenceDecoration({ presence }: PresenceDecorationProps): JSX.Element
                     aria-label={_t("presence|online")}
                 />
             );
-        case "unavailable":
+        case Presence.Away:
             return (
                 <OnlineOrUnavailableIcon
                     width="8px"
@@ -103,7 +104,7 @@ function PresenceDecoration({ presence }: PresenceDecorationProps): JSX.Element
                     aria-label={_t("presence|away")}
                 />
             );
-        case "offline":
+        case Presence.Offline:
             return (
                 <OfflineIcon
                     width="8px"
@@ -113,7 +114,7 @@ function PresenceDecoration({ presence }: PresenceDecorationProps): JSX.Element
                     aria-label={_t("presence|offline")}
                 />
             );
-        case "busy":
+        case Presence.Busy:
             return (
                 <BusyIcon
                     width="8px"

src/components/views/avatars/WithPresenceIndicator.tsx

@@ -26,7 +26,7 @@ interface Props {
     children: ReactNode;
 }
 
-enum Presence {
+export enum Presence {
     // Note: the names here are used in CSS class names
     Online = "ONLINE",
     Away = "AWAY",
@@ -86,7 +86,7 @@ function getPresence(member: RoomMember | null): Presence | null {
     return null;
 }
 
-const usePresence = (room: Room, member: RoomMember | null): Presence | null => {
+export const usePresence = (room: Room, member: RoomMember | null): Presence | null => {
     const [presence, setPresence] = useState<Presence | null>(getPresence(member));
     const updatePresence = (): void => {
         setPresence(getPresence(member));

src/hooks/useCall.ts

@@ -6,7 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Com
 Please see LICENSE files in the repository root for full details.
 */
 
-import { useState, useCallback, useMemo } from "react";
+import { useState, useCallback, useMemo, useEffect } from "react";
 
 import type { RoomMember } from "matrix-js-sdk/src/matrix";
 import { type Call, ConnectionState, CallEvent } from "../models/Call";
@@ -20,6 +20,12 @@ export const useCall = (roomId: string): Call | null => {
     useEventEmitter(CallStore.instance, CallStoreEvent.Call, (call: Call | null, forRoomId: string) => {
         if (forRoomId === roomId) setCall(call);
     });
+
+    // Reset the value when the roomId changes
+    useEffect(() => {
+        setCall(CallStore.instance.getCall(roomId));
+    }, [roomId]);
+
     return call;
 };