mirror of
https://github.com/array-in-a-matrix/xinny.git
synced 2024-05-16 19:30:16 -04:00
625 lines
20 KiB
JavaScript
625 lines
20 KiB
JavaScript
/* eslint-disable jsx-a11y/no-static-element-interactions */
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/* eslint-disable jsx-a11y/click-events-have-key-events */
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/* eslint-disable react/prop-types */
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import React, {
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useState, useEffect, useLayoutEffect, useCallback, useRef,
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} from 'react';
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import PropTypes from 'prop-types';
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import './RoomViewContent.scss';
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import dateFormat from 'dateformat';
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import { twemojify } from '../../../util/twemojify';
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import initMatrix from '../../../client/initMatrix';
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import cons from '../../../client/state/cons';
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import navigation from '../../../client/state/navigation';
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import { openProfileViewer } from '../../../client/action/navigation';
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import { diffMinutes, isInSameDay, Throttle } from '../../../util/common';
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import { markAsRead } from '../../../client/action/notifications';
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import Divider from '../../atoms/divider/Divider';
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import ScrollView from '../../atoms/scroll/ScrollView';
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import { Message, PlaceholderMessage } from '../../molecules/message/Message';
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import RoomIntro from '../../molecules/room-intro/RoomIntro';
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import TimelineChange from '../../molecules/message/TimelineChange';
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import { useStore } from '../../hooks/useStore';
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import { useForceUpdate } from '../../hooks/useForceUpdate';
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import { parseTimelineChange } from './common';
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import TimelineScroll from './TimelineScroll';
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import EventLimit from './EventLimit';
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const PAG_LIMIT = 30;
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const MAX_MSG_DIFF_MINUTES = 5;
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const PLACEHOLDER_COUNT = 2;
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const PLACEHOLDERS_HEIGHT = 96 * PLACEHOLDER_COUNT;
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const SCROLL_TRIGGER_POS = PLACEHOLDERS_HEIGHT * 4;
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function loadingMsgPlaceholders(key, count = 2) {
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const pl = [];
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const genPlaceholders = () => {
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for (let i = 0; i < count; i += 1) {
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pl.push(<PlaceholderMessage key={`placeholder-${i}${key}`} />);
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}
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return pl;
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};
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return (
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<React.Fragment key={`placeholder-container${key}`}>
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{genPlaceholders()}
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</React.Fragment>
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);
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}
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function RoomIntroContainer({ event, timeline }) {
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const [, nameForceUpdate] = useForceUpdate();
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const mx = initMatrix.matrixClient;
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const { roomList } = initMatrix;
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const { room } = timeline;
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const roomTopic = room.currentState.getStateEvents('m.room.topic')[0]?.getContent().topic;
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const isDM = roomList.directs.has(timeline.roomId);
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let avatarSrc = room.getAvatarUrl(mx.baseUrl, 80, 80, 'crop');
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avatarSrc = isDM ? room.getAvatarFallbackMember()?.getAvatarUrl(mx.baseUrl, 80, 80, 'crop') : avatarSrc;
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const heading = isDM ? room.name : `Welcome to ${room.name}`;
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const topic = twemojify(roomTopic || '');
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const nameJsx = twemojify(room.name);
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const desc = isDM
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? (
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<>
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This is the beginning of your direct message history with @
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<b>{nameJsx}</b>
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{'. '}
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{topic}
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</>
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)
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: (
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<>
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{'This is the beginning of the '}
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<b>{nameJsx}</b>
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{' room. '}
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{topic}
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</>
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);
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useEffect(() => {
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const handleUpdate = () => nameForceUpdate();
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roomList.on(cons.events.roomList.ROOM_PROFILE_UPDATED, handleUpdate);
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return () => {
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roomList.removeListener(cons.events.roomList.ROOM_PROFILE_UPDATED, handleUpdate);
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};
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}, []);
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return (
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<RoomIntro
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roomId={timeline.roomId}
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avatarSrc={avatarSrc}
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name={room.name}
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heading={twemojify(heading)}
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desc={desc}
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time={event ? `Created at ${dateFormat(event.getDate(), 'dd mmmm yyyy, hh:MM TT')}` : null}
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/>
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);
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}
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function handleOnClickCapture(e) {
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const { target, nativeEvent } = e;
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const userId = target.getAttribute('data-mx-pill');
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if (userId) {
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const roomId = navigation.selectedRoomId;
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openProfileViewer(userId, roomId);
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}
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const spoiler = nativeEvent.composedPath().find((el) => el?.hasAttribute?.('data-mx-spoiler'));
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if (spoiler) {
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spoiler.classList.toggle('data-mx-spoiler--visible');
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}
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}
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function renderEvent(
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roomTimeline,
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mEvent,
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prevMEvent,
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isFocus,
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isEdit,
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setEdit,
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cancelEdit,
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) {
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const isBodyOnly = (prevMEvent !== null
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&& prevMEvent.getSender() === mEvent.getSender()
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&& prevMEvent.getType() !== 'm.room.member'
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&& prevMEvent.getType() !== 'm.room.create'
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&& diffMinutes(mEvent.getDate(), prevMEvent.getDate()) <= MAX_MSG_DIFF_MINUTES
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);
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const timestamp = mEvent.getTs();
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if (mEvent.getType() === 'm.room.member') {
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const timelineChange = parseTimelineChange(mEvent);
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if (timelineChange === null) return <div key={mEvent.getId()} />;
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return (
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<TimelineChange
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key={mEvent.getId()}
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variant={timelineChange.variant}
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content={timelineChange.content}
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timestamp={timestamp}
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/>
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);
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}
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return (
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<Message
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key={mEvent.getId()}
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mEvent={mEvent}
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isBodyOnly={isBodyOnly}
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roomTimeline={roomTimeline}
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focus={isFocus}
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fullTime={false}
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isEdit={isEdit}
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setEdit={setEdit}
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cancelEdit={cancelEdit}
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/>
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);
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}
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function useTimeline(roomTimeline, eventId, readUptoEvtStore, eventLimitRef) {
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const [timelineInfo, setTimelineInfo] = useState(null);
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const setEventTimeline = async (eId) => {
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if (typeof eId === 'string') {
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const isLoaded = await roomTimeline.loadEventTimeline(eId);
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if (isLoaded) return;
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// if eventTimeline failed to load,
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// we will load live timeline as fallback.
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}
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roomTimeline.loadLiveTimeline();
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};
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useEffect(() => {
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const limit = eventLimitRef.current;
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const initTimeline = (eId) => {
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// NOTICE: eId can be id of readUpto, reply or specific event.
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// readUpTo: when user click jump to unread message button.
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// reply: when user click reply from timeline.
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// specific event when user open a link of event. behave same as ^^^^
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const readUpToId = roomTimeline.getReadUpToEventId();
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let focusEventIndex = -1;
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const isSpecificEvent = eId && eId !== readUpToId;
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if (isSpecificEvent) {
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focusEventIndex = roomTimeline.getEventIndex(eId);
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}
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if (!readUptoEvtStore.getItem() && roomTimeline.hasEventInTimeline(readUpToId)) {
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// either opening live timeline or jump to unread.
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readUptoEvtStore.setItem(roomTimeline.findEventByIdInTimelineSet(readUpToId));
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}
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if (readUptoEvtStore.getItem() && !isSpecificEvent) {
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focusEventIndex = roomTimeline.getUnreadEventIndex(readUptoEvtStore.getItem().getId());
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}
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if (focusEventIndex > -1) {
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limit.setFrom(focusEventIndex - Math.round(limit.maxEvents / 2));
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} else {
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limit.setFrom(roomTimeline.timeline.length - limit.maxEvents);
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}
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setTimelineInfo({ focusEventId: isSpecificEvent ? eId : null });
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};
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roomTimeline.on(cons.events.roomTimeline.READY, initTimeline);
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setEventTimeline(eventId);
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return () => {
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roomTimeline.removeListener(cons.events.roomTimeline.READY, initTimeline);
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limit.setFrom(0);
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};
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}, [roomTimeline, eventId]);
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return timelineInfo;
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}
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function usePaginate(
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roomTimeline,
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readUptoEvtStore,
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forceUpdateLimit,
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timelineScrollRef,
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eventLimitRef,
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) {
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const [info, setInfo] = useState(null);
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useEffect(() => {
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const handlePaginatedFromServer = (backwards, loaded) => {
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const limit = eventLimitRef.current;
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if (loaded === 0) return;
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if (!readUptoEvtStore.getItem()) {
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const readUpToId = roomTimeline.getReadUpToEventId();
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readUptoEvtStore.setItem(roomTimeline.findEventByIdInTimelineSet(readUpToId));
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}
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limit.paginate(backwards, PAG_LIMIT, roomTimeline.timeline.length);
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setTimeout(() => setInfo({
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backwards,
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loaded,
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}));
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};
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roomTimeline.on(cons.events.roomTimeline.PAGINATED, handlePaginatedFromServer);
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return () => {
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roomTimeline.removeListener(cons.events.roomTimeline.PAGINATED, handlePaginatedFromServer);
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};
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}, [roomTimeline]);
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const autoPaginate = useCallback(async () => {
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const timelineScroll = timelineScrollRef.current;
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const limit = eventLimitRef.current;
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if (roomTimeline.isOngoingPagination) return;
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const tLength = roomTimeline.timeline.length;
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if (timelineScroll.bottom < SCROLL_TRIGGER_POS) {
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if (limit.length < tLength) {
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// paginate from memory
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limit.paginate(false, PAG_LIMIT, tLength);
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forceUpdateLimit();
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} else if (roomTimeline.canPaginateForward()) {
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// paginate from server.
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await roomTimeline.paginateTimeline(false, PAG_LIMIT);
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return;
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}
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}
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if (timelineScroll.top < SCROLL_TRIGGER_POS) {
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if (limit.from > 0) {
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// paginate from memory
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limit.paginate(true, PAG_LIMIT, tLength);
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forceUpdateLimit();
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} else if (roomTimeline.canPaginateBackward()) {
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// paginate from server.
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await roomTimeline.paginateTimeline(true, PAG_LIMIT);
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}
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}
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}, [roomTimeline]);
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return [info, autoPaginate];
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}
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function useHandleScroll(
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roomTimeline,
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autoPaginate,
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readUptoEvtStore,
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forceUpdateLimit,
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timelineScrollRef,
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eventLimitRef,
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) {
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const handleScroll = useCallback(() => {
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const timelineScroll = timelineScrollRef.current;
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const limit = eventLimitRef.current;
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requestAnimationFrame(() => {
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// emit event to toggle scrollToBottom button visibility
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const isAtBottom = (
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timelineScroll.bottom < 16 && !roomTimeline.canPaginateForward()
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&& limit.length >= roomTimeline.timeline.length
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);
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roomTimeline.emit(cons.events.roomTimeline.AT_BOTTOM, isAtBottom);
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if (isAtBottom && readUptoEvtStore.getItem()) {
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requestAnimationFrame(() => markAsRead(roomTimeline.roomId));
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}
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});
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autoPaginate();
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}, [roomTimeline]);
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const handleScrollToLive = useCallback(() => {
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const timelineScroll = timelineScrollRef.current;
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const limit = eventLimitRef.current;
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if (readUptoEvtStore.getItem()) {
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requestAnimationFrame(() => markAsRead(roomTimeline.roomId));
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}
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if (roomTimeline.isServingLiveTimeline()) {
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limit.setFrom(roomTimeline.timeline.length - limit.maxEvents);
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timelineScroll.scrollToBottom();
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forceUpdateLimit();
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return;
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}
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roomTimeline.loadLiveTimeline();
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}, [roomTimeline]);
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return [handleScroll, handleScrollToLive];
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}
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function useEventArrive(roomTimeline, readUptoEvtStore, timelineScrollRef, eventLimitRef) {
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const myUserId = initMatrix.matrixClient.getUserId();
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const [newEvent, setEvent] = useState(null);
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useEffect(() => {
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const timelineScroll = timelineScrollRef.current;
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const limit = eventLimitRef.current;
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const trySendReadReceipt = (event) => {
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if (myUserId === event.getSender()) {
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requestAnimationFrame(() => markAsRead(roomTimeline.roomId));
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return;
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}
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const readUpToEvent = readUptoEvtStore.getItem();
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const readUpToId = roomTimeline.getReadUpToEventId();
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const isUnread = readUpToEvent ? readUpToEvent?.getId() === readUpToId : true;
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if (isUnread === false) {
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if (document.visibilityState === 'visible' && timelineScroll.bottom < 16) {
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requestAnimationFrame(() => markAsRead(roomTimeline.roomId));
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} else {
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readUptoEvtStore.setItem(roomTimeline.findEventByIdInTimelineSet(readUpToId));
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}
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return;
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}
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const { timeline } = roomTimeline;
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const unreadMsgIsLast = timeline[timeline.length - 2].getId() === readUpToId;
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if (unreadMsgIsLast) {
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requestAnimationFrame(() => markAsRead(roomTimeline.roomId));
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}
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};
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const handleEvent = (event) => {
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const tLength = roomTimeline.timeline.length;
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const isViewingLive = roomTimeline.isServingLiveTimeline() && limit.length >= tLength - 1;
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const isAttached = timelineScroll.bottom < SCROLL_TRIGGER_POS;
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if (isViewingLive && isAttached) {
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limit.setFrom(tLength - limit.maxEvents);
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trySendReadReceipt(event);
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setEvent(event);
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return;
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}
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const isRelates = (event.getType() === 'm.reaction' || event.getRelation()?.rel_type === 'm.replace');
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if (isRelates) {
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setEvent(event);
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return;
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}
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if (isViewingLive) {
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// This stateUpdate will help to put the
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// loading msg placeholder at bottom
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setEvent(event);
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}
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};
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const handleEventRedact = (event) => setEvent(event);
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roomTimeline.on(cons.events.roomTimeline.EVENT, handleEvent);
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roomTimeline.on(cons.events.roomTimeline.EVENT_REDACTED, handleEventRedact);
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return () => {
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roomTimeline.removeListener(cons.events.roomTimeline.EVENT, handleEvent);
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roomTimeline.removeListener(cons.events.roomTimeline.EVENT_REDACTED, handleEventRedact);
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};
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}, [roomTimeline]);
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return newEvent;
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}
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let jumpToItemIndex = -1;
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function RoomViewContent({ eventId, roomTimeline }) {
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const [throttle] = useState(new Throttle());
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const timelineSVRef = useRef(null);
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const timelineScrollRef = useRef(null);
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const eventLimitRef = useRef(null);
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const [editEventId, setEditEventId] = useState(null);
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const cancelEdit = () => setEditEventId(null);
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const readUptoEvtStore = useStore(roomTimeline);
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const [onLimitUpdate, forceUpdateLimit] = useForceUpdate();
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const timelineInfo = useTimeline(roomTimeline, eventId, readUptoEvtStore, eventLimitRef);
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const [paginateInfo, autoPaginate] = usePaginate(
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roomTimeline,
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readUptoEvtStore,
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forceUpdateLimit,
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timelineScrollRef,
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eventLimitRef,
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);
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const [handleScroll, handleScrollToLive] = useHandleScroll(
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roomTimeline,
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autoPaginate,
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readUptoEvtStore,
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forceUpdateLimit,
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timelineScrollRef,
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eventLimitRef,
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);
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const newEvent = useEventArrive(roomTimeline, readUptoEvtStore, timelineScrollRef, eventLimitRef);
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const { timeline } = roomTimeline;
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useLayoutEffect(() => {
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if (!roomTimeline.initialized) {
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timelineScrollRef.current = new TimelineScroll(timelineSVRef.current);
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eventLimitRef.current = new EventLimit();
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}
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});
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// when active timeline changes
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useEffect(() => {
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if (!roomTimeline.initialized) return undefined;
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const timelineScroll = timelineScrollRef.current;
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if (timeline.length > 0) {
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if (jumpToItemIndex === -1) {
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timelineScroll.scrollToBottom();
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} else {
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timelineScroll.scrollToIndex(jumpToItemIndex, 80);
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}
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if (timelineScroll.bottom < 16 && !roomTimeline.canPaginateForward()) {
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const readUpToId = roomTimeline.getReadUpToEventId();
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if (readUptoEvtStore.getItem()?.getId() === readUpToId || readUpToId === null) {
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requestAnimationFrame(() => markAsRead(roomTimeline.roomId));
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}
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}
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jumpToItemIndex = -1;
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}
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autoPaginate();
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roomTimeline.on(cons.events.roomTimeline.SCROLL_TO_LIVE, handleScrollToLive);
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return () => {
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if (timelineSVRef.current === null) return;
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roomTimeline.removeListener(cons.events.roomTimeline.SCROLL_TO_LIVE, handleScrollToLive);
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};
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}, [timelineInfo]);
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// when paginating from server
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useEffect(() => {
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if (!roomTimeline.initialized) return;
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const timelineScroll = timelineScrollRef.current;
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timelineScroll.tryRestoringScroll();
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autoPaginate();
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}, [paginateInfo]);
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// when paginating locally
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useEffect(() => {
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if (!roomTimeline.initialized) return;
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const timelineScroll = timelineScrollRef.current;
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timelineScroll.tryRestoringScroll();
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}, [onLimitUpdate]);
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useEffect(() => {
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const timelineScroll = timelineScrollRef.current;
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if (!roomTimeline.initialized) return;
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if (timelineScroll.bottom < 16 && !roomTimeline.canPaginateForward() && document.visibilityState === 'visible') {
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timelineScroll.scrollToBottom();
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} else {
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timelineScroll.tryRestoringScroll();
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}
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}, [newEvent]);
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const listenKeyboard = useCallback((event) => {
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if (event.ctrlKey || event.altKey || event.metaKey) return;
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if (event.key !== 'ArrowUp') return;
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if (navigation.isRawModalVisible) return;
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if (document.activeElement.id !== 'message-textarea') return;
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if (document.activeElement.value !== '') return;
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const {
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timeline: tl, activeTimeline, liveTimeline, matrixClient: mx,
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} = roomTimeline;
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const limit = eventLimitRef.current;
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|
if (activeTimeline !== liveTimeline) return;
|
|
if (tl.length > limit.length) return;
|
|
|
|
const mTypes = ['m.text'];
|
|
for (let i = tl.length - 1; i >= 0; i -= 1) {
|
|
const mE = tl[i];
|
|
if (
|
|
mE.getSender() === mx.getUserId()
|
|
&& mE.getType() === 'm.room.message'
|
|
&& mTypes.includes(mE.getContent()?.msgtype)
|
|
) {
|
|
setEditEventId(mE.getId());
|
|
return;
|
|
}
|
|
}
|
|
}, [roomTimeline]);
|
|
|
|
useEffect(() => {
|
|
document.body.addEventListener('keydown', listenKeyboard);
|
|
return () => {
|
|
document.body.removeEventListener('keydown', listenKeyboard);
|
|
};
|
|
}, [listenKeyboard]);
|
|
|
|
const handleTimelineScroll = (event) => {
|
|
const timelineScroll = timelineScrollRef.current;
|
|
if (!event.target) return;
|
|
|
|
throttle._(() => {
|
|
const backwards = timelineScroll?.calcScroll();
|
|
if (typeof backwards !== 'boolean') return;
|
|
handleScroll(backwards);
|
|
}, 200)();
|
|
};
|
|
|
|
const renderTimeline = () => {
|
|
const tl = [];
|
|
const limit = eventLimitRef.current;
|
|
|
|
let itemCountIndex = 0;
|
|
jumpToItemIndex = -1;
|
|
const readUptoEvent = readUptoEvtStore.getItem();
|
|
let unreadDivider = false;
|
|
|
|
if (roomTimeline.canPaginateBackward() || limit.from > 0) {
|
|
tl.push(loadingMsgPlaceholders(1, PLACEHOLDER_COUNT));
|
|
itemCountIndex += PLACEHOLDER_COUNT;
|
|
}
|
|
for (let i = limit.from; i < limit.length; i += 1) {
|
|
if (i >= timeline.length) break;
|
|
const mEvent = timeline[i];
|
|
const prevMEvent = timeline[i - 1] ?? null;
|
|
|
|
if (i === 0 && !roomTimeline.canPaginateBackward()) {
|
|
if (mEvent.getType() === 'm.room.create') {
|
|
tl.push(
|
|
<RoomIntroContainer key={mEvent.getId()} event={mEvent} timeline={roomTimeline} />,
|
|
);
|
|
itemCountIndex += 1;
|
|
// eslint-disable-next-line no-continue
|
|
continue;
|
|
} else {
|
|
tl.push(<RoomIntroContainer key="room-intro" event={null} timeline={roomTimeline} />);
|
|
itemCountIndex += 1;
|
|
}
|
|
}
|
|
|
|
let isNewEvent = false;
|
|
if (!unreadDivider) {
|
|
unreadDivider = (readUptoEvent
|
|
&& prevMEvent?.getTs() <= readUptoEvent.getTs()
|
|
&& readUptoEvent.getTs() < mEvent.getTs());
|
|
if (unreadDivider) {
|
|
isNewEvent = true;
|
|
tl.push(<Divider key={`new-${mEvent.getId()}`} variant="positive" text="New messages" />);
|
|
itemCountIndex += 1;
|
|
if (jumpToItemIndex === -1) jumpToItemIndex = itemCountIndex;
|
|
}
|
|
}
|
|
const dayDivider = prevMEvent && !isInSameDay(mEvent.getDate(), prevMEvent.getDate());
|
|
if (dayDivider) {
|
|
tl.push(<Divider key={`divider-${mEvent.getId()}`} text={`${dateFormat(mEvent.getDate(), 'mmmm dd, yyyy')}`} />);
|
|
itemCountIndex += 1;
|
|
}
|
|
|
|
const focusId = timelineInfo.focusEventId;
|
|
const isFocus = focusId === mEvent.getId();
|
|
if (isFocus) jumpToItemIndex = itemCountIndex;
|
|
|
|
tl.push(renderEvent(
|
|
roomTimeline,
|
|
mEvent,
|
|
isNewEvent ? null : prevMEvent,
|
|
isFocus,
|
|
editEventId === mEvent.getId(),
|
|
setEditEventId,
|
|
cancelEdit,
|
|
));
|
|
itemCountIndex += 1;
|
|
}
|
|
if (roomTimeline.canPaginateForward() || limit.length < timeline.length) {
|
|
tl.push(loadingMsgPlaceholders(2, PLACEHOLDER_COUNT));
|
|
}
|
|
|
|
return tl;
|
|
};
|
|
|
|
return (
|
|
<ScrollView onScroll={handleTimelineScroll} ref={timelineSVRef} autoHide>
|
|
<div className="room-view__content" onClick={handleOnClickCapture}>
|
|
<div className="timeline__wrapper">
|
|
{ roomTimeline.initialized ? renderTimeline() : loadingMsgPlaceholders('loading', 3) }
|
|
</div>
|
|
</div>
|
|
</ScrollView>
|
|
);
|
|
}
|
|
|
|
RoomViewContent.defaultProps = {
|
|
eventId: null,
|
|
};
|
|
RoomViewContent.propTypes = {
|
|
eventId: PropTypes.string,
|
|
roomTimeline: PropTypes.shape({}).isRequired,
|
|
};
|
|
|
|
export default RoomViewContent;
|