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Extract room directory results to its own component #8252
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,179 @@ | ||
| /* | ||
| Copyright 2022 The Matrix.org Foundation C.I.C. | ||
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| 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 | ||
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| http://www.apache.org/licenses/LICENSE-2.0 | ||
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| 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. | ||
| */ | ||
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| import React, { useCallback, useContext, useEffect, useState } from "react"; | ||
| import { IPublicRoomsChunkRoom } from "matrix-js-sdk/src/client"; | ||
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| import BaseAvatar from "../avatars/BaseAvatar"; | ||
| import { mediaFromMxc } from "../../../customisations/Media"; | ||
| import { linkifyAndSanitizeHtml } from "../../../HtmlUtils"; | ||
| import { getDisplayAliasForRoom } from "../../structures/RoomDirectory"; | ||
| import AccessibleButton from "../elements/AccessibleButton"; | ||
| import MatrixClientContext from "../../../contexts/MatrixClientContext"; | ||
| import { _t } from "../../../languageHandler"; | ||
|
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| const MAX_NAME_LENGTH = 80; | ||
| const MAX_TOPIC_LENGTH = 800; | ||
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| interface IProps { | ||
| room: IPublicRoomsChunkRoom; | ||
| removeFromDirectory?: (room: IPublicRoomsChunkRoom) => void; | ||
| showRoom: (room: IPublicRoomsChunkRoom, roomAlias?: string, autoJoin?: boolean, shouldPeek?: boolean) => void; | ||
| } | ||
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| export const PublicRoomTile = ({ | ||
| room, | ||
| showRoom, | ||
| removeFromDirectory, | ||
| }: IProps) => { | ||
| const client = useContext(MatrixClientContext); | ||
|
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| const [avatarUrl, setAvatarUrl] = useState<string | null>(null); | ||
| const [name, setName] = useState(""); | ||
| const [topic, setTopic] = useState(""); | ||
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| const [hasJoinedRoom, setHasJoinedRoom] = useState(false); | ||
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| const isGuest = client.isGuest(); | ||
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| useEffect(() => { | ||
| const clientRoom = client.getRoom(room.room_id); | ||
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| setHasJoinedRoom(clientRoom?.getMyMembership() === "join"); | ||
|
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| let name = room.name || getDisplayAliasForRoom(room) || _t('Unnamed room'); | ||
| if (name.length > MAX_NAME_LENGTH) { | ||
| name = `${name.substring(0, MAX_NAME_LENGTH)}...`; | ||
| } | ||
| setName(name); | ||
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| let topic = room.topic || ''; | ||
| // Additional truncation based on line numbers is done via CSS, | ||
| // but to ensure that the DOM is not polluted with a huge string | ||
| // we give it a hard limit before rendering. | ||
| if (topic.length > MAX_TOPIC_LENGTH) { | ||
| topic = `${topic.substring(0, MAX_TOPIC_LENGTH)}...`; | ||
| } | ||
| topic = linkifyAndSanitizeHtml(topic); | ||
| setTopic(topic); | ||
| if (room.avatar_url) { | ||
| setAvatarUrl(mediaFromMxc(room.avatar_url).getSquareThumbnailHttp(32)); | ||
| } | ||
| }, [room, client]); | ||
|
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| const onRoomClicked = useCallback((ev: React.MouseEvent) => { | ||
| // If room was shift-clicked, remove it from the room directory | ||
| if (ev.shiftKey) { | ||
| ev.preventDefault(); | ||
| removeFromDirectory?.(room); | ||
| } | ||
| }, [room, removeFromDirectory]); | ||
|
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| const onPreviewClick = useCallback((ev: React.MouseEvent) => { | ||
| showRoom(room, null, false, true); | ||
| ev.stopPropagation(); | ||
| }, [room, showRoom]); | ||
|
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| const onViewClick = useCallback((ev: React.MouseEvent) => { | ||
| showRoom(room); | ||
| ev.stopPropagation(); | ||
| }, [room, showRoom]); | ||
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| const onJoinClick = useCallback((ev: React.MouseEvent) => { | ||
| showRoom(room, null, true); | ||
| ev.stopPropagation(); | ||
| }, [room, showRoom]); | ||
|
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| let previewButton; | ||
| let joinOrViewButton; | ||
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| // Element Web currently does not allow guests to join rooms, so we | ||
| // instead show them preview buttons for all rooms. If the room is not | ||
| // world readable, a modal will appear asking you to register first. If | ||
| // it is readable, the preview appears as normal. | ||
| if (!hasJoinedRoom && (room.world_readable || isGuest)) { | ||
| previewButton = ( | ||
| <AccessibleButton kind="secondary" onClick={onPreviewClick}> | ||
| { _t("Preview") } | ||
| </AccessibleButton> | ||
| ); | ||
| } | ||
| if (hasJoinedRoom) { | ||
| joinOrViewButton = ( | ||
| <AccessibleButton kind="secondary" onClick={onViewClick}> | ||
| { _t("View") } | ||
| </AccessibleButton> | ||
| ); | ||
| } else if (!isGuest) { | ||
| joinOrViewButton = ( | ||
| <AccessibleButton kind="primary" onClick={onJoinClick}> | ||
| { _t("Join") } | ||
| </AccessibleButton> | ||
| ); | ||
| } | ||
|
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| return <div | ||
| role="listitem" | ||
| className="mx_RoomDirectory_listItem" | ||
| > | ||
| <div | ||
| onMouseDown={onRoomClicked} | ||
| className="mx_RoomDirectory_roomAvatar" | ||
| > | ||
| <BaseAvatar | ||
| width={32} | ||
| height={32} | ||
| resizeMethod='crop' | ||
| name={name} | ||
| idName={name} | ||
| url={avatarUrl} | ||
| /> | ||
| </div> | ||
| <div | ||
| onMouseDown={onRoomClicked} | ||
| className="mx_RoomDirectory_roomDescription" | ||
| > | ||
| <div className="mx_RoomDirectory_name"> | ||
| { name } | ||
| </div> | ||
| <div | ||
| className="mx_RoomDirectory_topic" | ||
| dangerouslySetInnerHTML={{ __html: topic }} | ||
| /> | ||
| <div className="mx_RoomDirectory_alias"> | ||
| { getDisplayAliasForRoom(room) } | ||
| </div> | ||
| </div> | ||
| <div | ||
| onMouseDown={onRoomClicked} | ||
| className="mx_RoomDirectory_roomMemberCount" | ||
| > | ||
| { room.num_joined_members } | ||
| </div> | ||
| <div | ||
| onMouseDown={onRoomClicked} | ||
| className="mx_RoomDirectory_preview" | ||
| > | ||
| { previewButton } | ||
| </div> | ||
| <div | ||
| onMouseDown={onRoomClicked} | ||
| className="mx_RoomDirectory_join" | ||
| > | ||
| { joinOrViewButton } | ||
| </div> | ||
| </div>; | ||
| }; |
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This could just be a
mapnow instead of reduce()