element-web/src/hooks/useRoomMembers.ts
Robin 658ff4dfe6
Iterate video room designs in labs (#8499)
* Remove blank header from video room view frame

* Add video room option to space context menu

* Remove duplicate tooltips from face piles

* Factor RoomInfoLine out of SpaceRoomView

* Factor RoomPreviewCard out of SpaceRoomView

* Adapt RoomPreviewCard for video rooms

* "New video room" → "Video room"

* Add comment about unused cases in RoomPreviewCard

* Make widgets in video rooms mutable again to de-risk future upgrades

* Ensure that the video channel exists when mounting VideoRoomView
2022-05-04 17:02:06 -04:00

50 lines
2.1 KiB
TypeScript

/*
Copyright 2020 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import { useState } from "react";
import { Room, RoomEvent } from "matrix-js-sdk/src/models/room";
import { RoomMember } from "matrix-js-sdk/src/models/room-member";
import { RoomStateEvent } from "matrix-js-sdk/src/models/room-state";
import { throttle } from "lodash";
import { useTypedEventEmitter } from "./useEventEmitter";
// Hook to simplify watching Matrix Room joined members
export const useRoomMembers = (room: Room, throttleWait = 250): RoomMember[] => {
const [members, setMembers] = useState<RoomMember[]>(room.getJoinedMembers());
useTypedEventEmitter(room.currentState, RoomStateEvent.Update, throttle(() => {
setMembers(room.getJoinedMembers());
}, throttleWait, { leading: true, trailing: true }));
return members;
};
// Hook to simplify watching Matrix Room joined member count
export const useRoomMemberCount = (room: Room, throttleWait = 250): number => {
const [count, setCount] = useState<number>(room.getJoinedMemberCount());
useTypedEventEmitter(room.currentState, RoomStateEvent.Update, throttle(() => {
setCount(room.getJoinedMemberCount());
}, throttleWait, { leading: true, trailing: true }));
return count;
};
// Hook to simplify watching the local user's membership in a room
export const useMyRoomMembership = (room: Room): string => {
const [membership, setMembership] = useState<string>(room.getMyMembership());
useTypedEventEmitter(room, RoomEvent.MyMembership, () => {
setMembership(room.getMyMembership());
});
return membership;
};