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element-web/src/components/views/elements/RoomFacePile.tsx
David Langley 491f0cd08a Change license (#13)
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2024-09-09 13:57:16 +00:00

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TypeScript

/*
Copyright 2024 New Vector Ltd.
Copyright 2021, 2022 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
import React, { FC, HTMLAttributes, useContext } from "react";
import { Room, RoomMember } from "matrix-js-sdk/src/matrix";
import { KnownMembership } from "matrix-js-sdk/src/types";
import { sortBy } from "lodash";
import { _t } from "../../../languageHandler";
import DMRoomMap from "../../../utils/DMRoomMap";
import FacePile from "./FacePile";
import { useRoomMembers } from "../../../hooks/useRoomMembers";
import MatrixClientContext from "../../../contexts/MatrixClientContext";
import { ButtonEvent } from "./AccessibleButton";
const DEFAULT_NUM_FACES = 5;
const isKnownMember = (member: RoomMember): boolean => !!DMRoomMap.shared().getDMRoomsForUserId(member.userId)?.length;
interface IProps extends HTMLAttributes<HTMLSpanElement> {
room: Room;
onlyKnownUsers?: boolean;
numShown?: number;
onClick?: (e: ButtonEvent) => void | Promise<void>;
}
const RoomFacePile: FC<IProps> = ({ room, onlyKnownUsers = true, numShown = DEFAULT_NUM_FACES, ...props }) => {
const cli = useContext(MatrixClientContext);
const isJoined = room.getMyMembership() === KnownMembership.Join;
let members = useRoomMembers(room);
const count = members.length;
// sort users with an explicit avatar first
const iteratees = [(member: RoomMember) => (member.getMxcAvatarUrl() ? 0 : 1)];
if (onlyKnownUsers) {
members = members.filter(isKnownMember);
} else {
// sort known users first
iteratees.unshift((member) => (isKnownMember(member) ? 0 : 1));
}
// exclude ourselves from the shown members list
const shownMembers = sortBy(
members.filter((m) => m.userId !== cli.getUserId()),
iteratees,
).slice(0, numShown);
if (shownMembers.length < 1) return null;
// We reverse the order of the shown faces in CSS to simplify their visual overlap,
// reverse members in tooltip order to make the order between the two match up.
const commaSeparatedMembers = shownMembers
.map((m) => m.name)
.reverse()
.join(", ");
return (
<FacePile
members={shownMembers}
size="28px"
overflow={members.length > numShown}
tooltipLabel={
props.onClick ? _t("room|face_pile_tooltip_label", { count }) : _t("common|n_members", { count })
}
tooltipShortcut={
isJoined
? _t("room|face_pile_tooltip_shortcut_joined", { commaSeparatedMembers })
: _t("room|face_pile_tooltip_shortcut", { commaSeparatedMembers })
}
{...props}
>
{onlyKnownUsers && (
<span className="mx_FacePile_summary">{_t("room|face_pile_summary", { count: members.length })}</span>
)}
</FacePile>
);
};
export default RoomFacePile;