cinny/src/app/organisms/room/RoomTimeline.tsx

1700 lines
55 KiB
TypeScript

import React, {
Dispatch,
MouseEventHandler,
RefObject,
SetStateAction,
useCallback,
useEffect,
useLayoutEffect,
useMemo,
useRef,
useState,
} from 'react';
import {
Direction,
EventTimeline,
EventTimelineSet,
EventTimelineSetHandlerMap,
EventType,
IEncryptedFile,
MatrixClient,
MatrixEvent,
RelationType,
Room,
RoomEvent,
RoomEventHandlerMap,
} from 'matrix-js-sdk';
import parse, { HTMLReactParserOptions } from 'html-react-parser';
import classNames from 'classnames';
import { ReactEditor } from 'slate-react';
import { Editor } from 'slate';
import to from 'await-to-js';
import { useSetAtom } from 'jotai';
import {
Badge,
Box,
Chip,
ContainerColor,
Icon,
Icons,
Line,
Scroll,
Text,
as,
color,
config,
toRem,
} from 'folds';
import Linkify from 'linkify-react';
import {
decryptFile,
eventWithShortcode,
factoryEventSentBy,
getMxIdLocalPart,
isRoomId,
isUserId,
matrixEventByRecency,
} from '../../utils/matrix';
import { sanitizeCustomHtml } from '../../utils/sanitize';
import { useMatrixClient } from '../../hooks/useMatrixClient';
import { useVirtualPaginator, ItemRange } from '../../hooks/useVirtualPaginator';
import { useAlive } from '../../hooks/useAlive';
import { scrollToBottom } from '../../utils/dom';
import {
DefaultPlaceholder,
CompactPlaceholder,
Reply,
MessageBase,
MessageDeletedContent,
MessageBrokenContent,
MessageUnsupportedContent,
MessageEditedContent,
MessageEmptyContent,
AttachmentBox,
Attachment,
AttachmentContent,
AttachmentHeader,
Time,
MessageBadEncryptedContent,
MessageNotDecryptedContent,
} from '../../components/message';
import { LINKIFY_OPTS, getReactCustomHtmlParser } from '../../plugins/react-custom-html-parser';
import {
decryptAllTimelineEvent,
getMemberDisplayName,
getReactionContent,
isMembershipChanged,
} from '../../utils/room';
import { useSetting } from '../../state/hooks/settings';
import { settingsAtom } from '../../state/settings';
import {
openJoinAlias,
openProfileViewer,
selectRoom,
selectTab,
} from '../../../client/action/navigation';
import { useForceUpdate } from '../../hooks/useForceUpdate';
import { parseGeoUri, scaleYDimension } from '../../utils/common';
import { useMatrixEventRenderer } from '../../hooks/useMatrixEventRenderer';
import { useRoomMsgContentRenderer } from '../../hooks/useRoomMsgContentRenderer';
import { IAudioContent, IImageContent, IVideoContent } from '../../../types/matrix/common';
import { getBlobSafeMimeType } from '../../utils/mimeTypes';
import {
ImageContent,
VideoContent,
FileHeader,
fileRenderer,
AudioContent,
Reactions,
EventContent,
Message,
Event,
EncryptedContent,
StickerContent,
} from './message';
import { useMemberEventParser } from '../../hooks/useMemberEventParser';
import * as customHtmlCss from '../../styles/CustomHtml.css';
import { RoomIntro } from '../../components/room-intro';
import {
getIntersectionObserverEntry,
useIntersectionObserver,
} from '../../hooks/useIntersectionObserver';
import { markAsRead } from '../../../client/action/notifications';
import { useDebounce } from '../../hooks/useDebounce';
import { getResizeObserverEntry, useResizeObserver } from '../../hooks/useResizeObserver';
import * as css from './RoomTimeline.css';
import { inSameDay, minuteDifference, timeDayMonthYear, today, yesterday } from '../../utils/time';
import { createMentionElement, moveCursor } from '../../components/editor';
import { roomIdToReplyDraftAtomFamily } from '../../state/roomInputDrafts';
import { usePowerLevelsAPI } from '../../hooks/usePowerLevels';
import { MessageEvent } from '../../../types/matrix/room';
import initMatrix from '../../../client/initMatrix';
const TimelineFloat = as<'div', css.TimelineFloatVariants>(
({ position, className, ...props }, ref) => (
<Box
className={classNames(css.TimelineFloat({ position }), className)}
justifyContent="Center"
alignItems="Center"
gap="200"
{...props}
ref={ref}
/>
)
);
const TimelineDivider = as<'div', { variant?: ContainerColor | 'Inherit' }>(
({ variant, children, ...props }, ref) => (
<Box gap="100" justifyContent="Center" alignItems="Center" {...props} ref={ref}>
<Line style={{ flexGrow: 1 }} variant={variant} size="300" />
{children}
<Line style={{ flexGrow: 1 }} variant={variant} size="300" />
</Box>
)
);
export const getLiveTimeline = (room: Room): EventTimeline =>
room.getUnfilteredTimelineSet().getLiveTimeline();
export const getEventTimeline = (room: Room, eventId: string): EventTimeline | undefined => {
const timelineSet = room.getUnfilteredTimelineSet();
return timelineSet.getTimelineForEvent(eventId) ?? undefined;
};
export const getFirstLinkedTimeline = (
timeline: EventTimeline,
direction: Direction
): EventTimeline => {
const linkedTm = timeline.getNeighbouringTimeline(direction);
if (!linkedTm) return timeline;
return getFirstLinkedTimeline(linkedTm, direction);
};
export const getLinkedTimelines = (timeline: EventTimeline): EventTimeline[] => {
const firstTimeline = getFirstLinkedTimeline(timeline, Direction.Backward);
const timelines: EventTimeline[] = [];
for (
let nextTimeline: EventTimeline | null = firstTimeline;
nextTimeline;
nextTimeline = nextTimeline.getNeighbouringTimeline(Direction.Forward)
) {
timelines.push(nextTimeline);
}
return timelines;
};
export const timelineToEventsCount = (t: EventTimeline) => t.getEvents().length;
export const getTimelinesEventsCount = (timelines: EventTimeline[]): number => {
const timelineEventCountReducer = (count: number, tm: EventTimeline) =>
count + timelineToEventsCount(tm);
return timelines.reduce(timelineEventCountReducer, 0);
};
export const getTimelineAndBaseIndex = (
timelines: EventTimeline[],
index: number
): [EventTimeline | undefined, number] => {
let uptoTimelineLen = 0;
const timeline = timelines.find((t) => {
uptoTimelineLen += t.getEvents().length;
if (index < uptoTimelineLen) return true;
return false;
});
if (!timeline) return [undefined, 0];
return [timeline, uptoTimelineLen - timeline.getEvents().length];
};
export const getTimelineRelativeIndex = (absoluteIndex: number, timelineBaseIndex: number) =>
absoluteIndex - timelineBaseIndex;
export const getTimelineEvent = (timeline: EventTimeline, index: number): MatrixEvent | undefined =>
timeline.getEvents()[index];
export const getEventIdAbsoluteIndex = (
timelines: EventTimeline[],
eventTimeline: EventTimeline,
eventId: string
): number | undefined => {
const timelineIndex = timelines.findIndex((t) => t === eventTimeline);
if (timelineIndex === -1) return undefined;
const eventIndex = eventTimeline.getEvents().findIndex((evt) => evt.getId() === eventId);
if (eventIndex === -1) return undefined;
const baseIndex = timelines
.slice(0, timelineIndex)
.reduce((accValue, timeline) => timeline.getEvents().length + accValue, 0);
return baseIndex + eventIndex;
};
export const getEventReactions = (timelineSet: EventTimelineSet, eventId: string) =>
timelineSet.relations.getChildEventsForEvent(
eventId,
RelationType.Annotation,
EventType.Reaction
);
export const getEventEdits = (timelineSet: EventTimelineSet, eventId: string, eventType: string) =>
timelineSet.relations.getChildEventsForEvent(eventId, RelationType.Replace, eventType);
export const getLatestEdit = (
targetEvent: MatrixEvent,
editEvents: MatrixEvent[]
): MatrixEvent | undefined => {
const eventByTargetSender = (rEvent: MatrixEvent) =>
rEvent.getSender() === targetEvent.getSender();
return editEvents.sort(matrixEventByRecency).find(eventByTargetSender);
};
export const getEditedEvent = (
mEventId: string,
mEvent: MatrixEvent,
timelineSet: EventTimelineSet
): MatrixEvent | undefined => {
const edits = getEventEdits(timelineSet, mEventId, mEvent.getType());
return edits && getLatestEdit(mEvent, edits.getRelations());
};
export const factoryGetFileSrcUrl =
(httpUrl: string, mimeType: string, encFile?: IEncryptedFile) => async (): Promise<string> => {
if (encFile) {
if (typeof httpUrl !== 'string') throw new Error('Malformed event');
const encRes = await fetch(httpUrl, { method: 'GET' });
const encData = await encRes.arrayBuffer();
const decryptedBlob = await decryptFile(encData, mimeType, encFile);
return URL.createObjectURL(decryptedBlob);
}
return httpUrl;
};
type RoomTimelineProps = {
room: Room;
eventId?: string;
roomInputRef: RefObject<HTMLElement>;
editor: Editor;
};
const PAGINATION_LIMIT = 80;
type Timeline = {
linkedTimelines: EventTimeline[];
range: ItemRange;
};
const useEventTimelineLoader = (
mx: MatrixClient,
room: Room,
onLoad: (eventId: string, linkedTimelines: EventTimeline[], evtAbsIndex: number) => void,
onError: (err: Error | null) => void
) => {
const loadEventTimeline = useCallback(
async (eventId: string) => {
const [err, replyEvtTimeline] = await to(
mx.getEventTimeline(room.getUnfilteredTimelineSet(), eventId)
);
if (!replyEvtTimeline) {
onError(err ?? null);
return;
}
const linkedTimelines = getLinkedTimelines(replyEvtTimeline);
const absIndex = getEventIdAbsoluteIndex(linkedTimelines, replyEvtTimeline, eventId);
if (absIndex === undefined) {
onError(err ?? null);
return;
}
onLoad(eventId, linkedTimelines, absIndex);
},
[mx, room, onLoad, onError]
);
return loadEventTimeline;
};
const useTimelinePagination = (
mx: MatrixClient,
timeline: Timeline,
setTimeline: Dispatch<SetStateAction<Timeline>>,
limit: number
) => {
const timelineRef = useRef(timeline);
timelineRef.current = timeline;
const alive = useAlive();
const handleTimelinePagination = useMemo(() => {
let fetching = false;
const recalibratePagination = (
linkedTimelines: EventTimeline[],
timelinesEventsCount: number[],
backwards: boolean
) => {
const topTimeline = linkedTimelines[0];
const timelineMatch = (mt: EventTimeline) => (t: EventTimeline) => t === mt;
const newLTimelines = getLinkedTimelines(topTimeline);
const topTmIndex = newLTimelines.findIndex(timelineMatch(topTimeline));
const topAddedTm = topTmIndex === -1 ? [] : newLTimelines.slice(0, topTmIndex);
const topTmAddedEvt =
timelineToEventsCount(newLTimelines[topTmIndex]) - timelinesEventsCount[0];
const offsetRange = getTimelinesEventsCount(topAddedTm) + (backwards ? topTmAddedEvt : 0);
setTimeline((currentTimeline) => ({
linkedTimelines: newLTimelines,
range:
offsetRange > 0
? {
start: currentTimeline.range.start + offsetRange,
end: currentTimeline.range.end + offsetRange,
}
: { ...currentTimeline.range },
}));
};
return async (backwards: boolean) => {
if (fetching) return;
const { linkedTimelines: lTimelines } = timelineRef.current;
const timelinesEventsCount = lTimelines.map(timelineToEventsCount);
const timelineToPaginate = backwards ? lTimelines[0] : lTimelines[lTimelines.length - 1];
if (!timelineToPaginate) return;
const paginationToken = timelineToPaginate.getPaginationToken(
backwards ? Direction.Backward : Direction.Forward
);
if (
!paginationToken &&
getTimelinesEventsCount(lTimelines) !==
getTimelinesEventsCount(getLinkedTimelines(timelineToPaginate))
) {
recalibratePagination(lTimelines, timelinesEventsCount, backwards);
return;
}
fetching = true;
const [err] = await to(
mx.paginateEventTimeline(timelineToPaginate, {
backwards,
limit,
})
);
if (err) {
// TODO: handle pagination error.
return;
}
const fetchedTimeline =
timelineToPaginate.getNeighbouringTimeline(
backwards ? Direction.Backward : Direction.Forward
) ?? timelineToPaginate;
// Decrypt all event ahead of render cycle
if (mx.isRoomEncrypted(fetchedTimeline.getRoomId() ?? '')) {
await to(decryptAllTimelineEvent(mx, fetchedTimeline));
}
fetching = false;
if (alive()) {
recalibratePagination(lTimelines, timelinesEventsCount, backwards);
}
};
}, [mx, alive, setTimeline, limit]);
return handleTimelinePagination;
};
const useLiveEventArrive = (room: Room, onArrive: (mEvent: MatrixEvent) => void) => {
useEffect(() => {
const handleTimelineEvent: EventTimelineSetHandlerMap[RoomEvent.Timeline] = (
mEvent,
eventRoom,
toStartOfTimeline,
removed,
data
) => {
if (eventRoom?.roomId !== room.roomId || !data.liveEvent) return;
onArrive(mEvent);
};
const handleRedaction: RoomEventHandlerMap[RoomEvent.Redaction] = (mEvent, eventRoom) => {
if (eventRoom?.roomId !== room.roomId) return;
onArrive(mEvent);
};
room.on(RoomEvent.Timeline, handleTimelineEvent);
room.on(RoomEvent.Redaction, handleRedaction);
return () => {
room.removeListener(RoomEvent.Timeline, handleTimelineEvent);
room.removeListener(RoomEvent.Redaction, handleRedaction);
};
}, [room, onArrive]);
};
const useLiveTimelineRefresh = (room: Room, onRefresh: () => void) => {
useEffect(() => {
const handleTimelineRefresh: RoomEventHandlerMap[RoomEvent.TimelineRefresh] = (r) => {
if (r.roomId !== room.roomId) return;
onRefresh();
};
room.on(RoomEvent.TimelineRefresh, handleTimelineRefresh);
return () => {
room.removeListener(RoomEvent.TimelineRefresh, handleTimelineRefresh);
};
}, [room, onRefresh]);
};
const getInitialTimeline = (room: Room) => {
const linkedTimelines = getLinkedTimelines(getLiveTimeline(room));
const evLength = getTimelinesEventsCount(linkedTimelines);
return {
linkedTimelines,
range: {
start: Math.max(evLength - PAGINATION_LIMIT, 0),
end: evLength,
},
};
};
const getEmptyTimeline = () => ({
range: { start: 0, end: 0 },
linkedTimelines: [],
});
const getRoomUnreadInfo = (room: Room, scrollTo = false) => {
const readUptoEventId = room.getEventReadUpTo(room.client.getUserId() ?? '');
if (!readUptoEventId) return undefined;
const evtTimeline = getEventTimeline(room, readUptoEventId);
const latestTimeline = evtTimeline && getFirstLinkedTimeline(evtTimeline, Direction.Forward);
return {
readUptoEventId,
inLiveTimeline: latestTimeline === room.getLiveTimeline(),
scrollTo,
};
};
export function RoomTimeline({ room, eventId, roomInputRef, editor }: RoomTimelineProps) {
const mx = useMatrixClient();
const [messageLayout] = useSetting(settingsAtom, 'messageLayout');
const [messageSpacing] = useSetting(settingsAtom, 'messageSpacing');
const [hideMembershipEvents] = useSetting(settingsAtom, 'hideMembershipEvents');
const [hideNickAvatarEvents] = useSetting(settingsAtom, 'hideNickAvatarEvents');
const [mediaAutoLoad] = useSetting(settingsAtom, 'mediaAutoLoad');
const [showHiddenEvents] = useSetting(settingsAtom, 'showHiddenEvents');
const setReplyDraft = useSetAtom(roomIdToReplyDraftAtomFamily(room.roomId));
const { canDoAction, canSendEvent, getPowerLevel } = usePowerLevelsAPI();
const myPowerLevel = getPowerLevel(mx.getUserId() ?? '');
const canRedact = canDoAction('redact', myPowerLevel);
const canSendReaction = canSendEvent(MessageEvent.Reaction, myPowerLevel);
const imagePackRooms: Room[] = useMemo(() => {
const allParentSpaces = [
room.roomId,
...(initMatrix.roomList?.getAllParentSpaces(room.roomId) ?? []),
];
return allParentSpaces.reduce<Room[]>((list, rId) => {
const r = mx.getRoom(rId);
if (r) list.push(r);
return list;
}, []);
}, [mx, room]);
const [unreadInfo, setUnreadInfo] = useState(() => getRoomUnreadInfo(room, true));
const readUptoEventIdRef = useRef<string>();
if (unreadInfo) {
readUptoEventIdRef.current = unreadInfo.readUptoEventId;
}
const atBottomAnchorRef = useRef<HTMLElement>(null);
const [atBottom, setAtBottom] = useState<boolean>();
const atBottomRef = useRef(atBottom);
atBottomRef.current = atBottom;
const scrollRef = useRef<HTMLDivElement>(null);
const scrollToBottomRef = useRef({
count: 0,
smooth: true,
});
const focusItem = useRef<{
index: number;
scrollTo: boolean;
highlight: boolean;
}>();
const alive = useAlive();
const [, forceUpdate] = useForceUpdate();
const htmlReactParserOptions = useMemo<HTMLReactParserOptions>(
() =>
getReactCustomHtmlParser(mx, room, {
handleSpoilerClick: (evt) => {
const target = evt.currentTarget;
if (target.getAttribute('aria-pressed') === 'true') {
evt.stopPropagation();
target.setAttribute('aria-pressed', 'false');
target.style.cursor = 'initial';
}
},
handleMentionClick: (evt) => {
const target = evt.currentTarget;
const mentionId = target.getAttribute('data-mention-id');
if (typeof mentionId !== 'string') return;
if (isUserId(mentionId)) {
openProfileViewer(mentionId, room.roomId);
return;
}
if (isRoomId(mentionId) && mx.getRoom(mentionId)) {
if (mx.getRoom(mentionId)?.isSpaceRoom()) selectTab(mentionId);
else selectRoom(mentionId);
return;
}
openJoinAlias(mentionId);
},
}),
[mx, room]
);
const parseMemberEvent = useMemberEventParser();
const [timeline, setTimeline] = useState<Timeline>(() =>
eventId ? getEmptyTimeline() : getInitialTimeline(room)
);
const eventsLength = getTimelinesEventsCount(timeline.linkedTimelines);
const liveTimelineLinked =
timeline.linkedTimelines[timeline.linkedTimelines.length - 1] === getLiveTimeline(room);
const canPaginateBack =
typeof timeline.linkedTimelines[0]?.getPaginationToken(Direction.Backward) === 'string';
const rangeAtStart = timeline.range.start === 0;
const rangeAtEnd = timeline.range.end === eventsLength;
const handleTimelinePagination = useTimelinePagination(
mx,
timeline,
setTimeline,
PAGINATION_LIMIT
);
const getScrollElement = useCallback(() => scrollRef.current, []);
const { getItems, scrollToItem, observeBackAnchor, observeFrontAnchor } = useVirtualPaginator({
count: eventsLength,
limit: PAGINATION_LIMIT,
range: timeline.range,
onRangeChange: useCallback((r) => setTimeline((cs) => ({ ...cs, range: r })), []),
getScrollElement,
getItemElement: useCallback(
(index: number) =>
(scrollRef.current?.querySelector(`[data-message-item="${index}"]`) as HTMLElement) ??
undefined,
[]
),
onEnd: handleTimelinePagination,
});
const loadEventTimeline = useEventTimelineLoader(
mx,
room,
useCallback(
(evtId, lTimelines, evtAbsIndex) => {
if (!alive()) return;
const evLength = getTimelinesEventsCount(lTimelines);
focusItem.current = {
index: evtAbsIndex,
scrollTo: true,
highlight: evtId !== unreadInfo?.readUptoEventId,
};
setTimeline({
linkedTimelines: lTimelines,
range: {
start: Math.max(evtAbsIndex - PAGINATION_LIMIT, 0),
end: Math.min(evtAbsIndex + PAGINATION_LIMIT, evLength),
},
});
},
[unreadInfo, alive]
),
useCallback(() => {
if (!alive()) return;
setTimeline(getInitialTimeline(room));
scrollToBottomRef.current.count += 1;
scrollToBottomRef.current.smooth = false;
}, [alive, room])
);
useLiveEventArrive(
room,
useCallback(
(mEvt: MatrixEvent) => {
if (atBottomRef.current && document.hasFocus()) {
if (!unreadInfo && mEvt.getSender() !== mx.getUserId()) {
markAsRead(mEvt.getRoomId());
}
scrollToBottomRef.current.count += 1;
scrollToBottomRef.current.smooth = true;
setTimeline((ct) => ({
...ct,
range: {
start: ct.range.start + 1,
end: ct.range.end + 1,
},
}));
return;
}
setTimeline((ct) => ({ ...ct }));
if (!unreadInfo) {
setUnreadInfo(getRoomUnreadInfo(room));
}
},
[mx, room, unreadInfo]
)
);
useLiveTimelineRefresh(
room,
useCallback(() => {
if (liveTimelineLinked) {
setTimeline(getInitialTimeline(room));
}
}, [room, liveTimelineLinked])
);
// Stay at bottom when room editor resize
useResizeObserver(
useCallback(
(entries) => {
if (!roomInputRef.current) return;
const editorBaseEntry = getResizeObserverEntry(roomInputRef.current, entries);
const scrollElement = getScrollElement();
if (!editorBaseEntry || !scrollElement) return;
if (atBottomRef.current) {
scrollToBottom(scrollElement);
}
},
[getScrollElement, roomInputRef]
),
useCallback(() => roomInputRef.current, [roomInputRef])
);
const debounceSetAtBottom = useDebounce(
useCallback((entry: IntersectionObserverEntry) => {
if (!entry.isIntersecting) setAtBottom(false);
}, []),
{ wait: 1000 }
);
useIntersectionObserver(
useCallback(
(entries) => {
const target = atBottomAnchorRef.current;
if (!target) return;
const targetEntry = getIntersectionObserverEntry(target, entries);
if (targetEntry) debounceSetAtBottom(targetEntry);
if (targetEntry?.isIntersecting) setAtBottom(true);
},
[debounceSetAtBottom]
),
useCallback(
() => ({
root: getScrollElement(),
rootMargin: '100px',
}),
[getScrollElement]
),
useCallback(() => atBottomAnchorRef.current, [])
);
useEffect(() => {
if (eventId) {
setTimeline(getEmptyTimeline());
loadEventTimeline(eventId);
}
}, [eventId, loadEventTimeline]);
// Scroll to bottom on initial timeline load
useLayoutEffect(() => {
const scrollEl = scrollRef.current;
if (scrollEl) scrollToBottom(scrollEl);
}, []);
// Scroll to last read message if it is linked to live timeline
useLayoutEffect(() => {
const { readUptoEventId, inLiveTimeline, scrollTo } = unreadInfo ?? {};
if (readUptoEventId && inLiveTimeline && scrollTo) {
const linkedTimelines = getLinkedTimelines(getLiveTimeline(room));
const evtTimeline = getEventTimeline(room, readUptoEventId);
const absoluteIndex =
evtTimeline && getEventIdAbsoluteIndex(linkedTimelines, evtTimeline, readUptoEventId);
if (absoluteIndex)
scrollToItem(absoluteIndex, {
behavior: 'instant',
align: 'start',
stopInView: true,
});
}
}, [room, unreadInfo, scrollToItem]);
// scroll to focused message
const focusItm = focusItem.current;
useLayoutEffect(() => {
if (focusItm && focusItm.scrollTo) {
scrollToItem(focusItm.index, {
behavior: 'instant',
align: 'center',
stopInView: true,
});
}
focusItem.current = undefined;
}, [focusItm, scrollToItem]);
// scroll to bottom of timeline
const scrollToBottomCount = scrollToBottomRef.current.count;
useLayoutEffect(() => {
if (scrollToBottomCount > 0) {
const scrollEl = scrollRef.current;
if (scrollEl)
scrollToBottom(scrollEl, scrollToBottomRef.current.smooth ? 'smooth' : 'instant');
}
}, [scrollToBottomCount]);
// send readReceipts when reach bottom
useEffect(() => {
if (liveTimelineLinked && rangeAtEnd && atBottom && document.hasFocus()) {
if (!unreadInfo) {
markAsRead(room.roomId);
return;
}
const evtTimeline = getEventTimeline(room, unreadInfo.readUptoEventId);
const latestTimeline = evtTimeline && getFirstLinkedTimeline(evtTimeline, Direction.Forward);
if (latestTimeline === room.getLiveTimeline()) {
markAsRead();
setUnreadInfo(undefined);
}
}
}, [room, unreadInfo, liveTimelineLinked, rangeAtEnd, atBottom]);
const handleJumpToLatest = () => {
setTimeline(getInitialTimeline(room));
scrollToBottomRef.current.count += 1;
scrollToBottomRef.current.smooth = false;
};
const handleJumpToUnread = () => {
if (unreadInfo?.readUptoEventId) {
setTimeline(getEmptyTimeline());
loadEventTimeline(unreadInfo.readUptoEventId);
}
};
const handleMarkAsRead = () => {
markAsRead(room.roomId);
setUnreadInfo(undefined);
};
const handleOpenReply: MouseEventHandler<HTMLButtonElement> = useCallback(
async (evt) => {
const replyId = evt.currentTarget.getAttribute('data-reply-id');
if (typeof replyId !== 'string') return;
const replyTimeline = getEventTimeline(room, replyId);
const absoluteIndex =
replyTimeline && getEventIdAbsoluteIndex(timeline.linkedTimelines, replyTimeline, replyId);
if (typeof absoluteIndex === 'number') {
scrollToItem(absoluteIndex, {
behavior: 'smooth',
align: 'center',
stopInView: true,
});
focusItem.current = {
index: absoluteIndex,
scrollTo: false,
highlight: true,
};
forceUpdate();
} else {
setTimeline(getEmptyTimeline());
loadEventTimeline(replyId);
}
},
[room, timeline, scrollToItem, loadEventTimeline, forceUpdate]
);
const handleUserClick: MouseEventHandler<HTMLButtonElement> = useCallback(
(evt) => {
evt.preventDefault();
evt.stopPropagation();
const userId = evt.currentTarget.getAttribute('data-user-id');
if (!userId) {
console.warn('Button should have "data-user-id" attribute!');
return;
}
openProfileViewer(userId, room.roomId);
},
[room]
);
const handleUsernameClick: MouseEventHandler<HTMLButtonElement> = useCallback(
(evt) => {
evt.preventDefault();
const userId = evt.currentTarget.getAttribute('data-user-id');
if (!userId) {
console.warn('Button should have "data-user-id" attribute!');
return;
}
const name = getMemberDisplayName(room, userId) ?? getMxIdLocalPart(userId) ?? userId;
editor.insertNode(
createMentionElement(
userId,
name.startsWith('@') ? name : `@${name}`,
userId === mx.getUserId()
)
);
ReactEditor.focus(editor);
moveCursor(editor);
},
[mx, room, editor]
);
const handleReplyClick: MouseEventHandler<HTMLButtonElement> = useCallback(
(evt) => {
const replyId = evt.currentTarget.getAttribute('data-event-id');
if (!replyId) {
console.warn('Button should have "data-event-id" attribute!');
return;
}
const replyEvt = room.findEventById(replyId);
if (!replyEvt) return;
const editedReply = getEditedEvent(replyId, replyEvt, room.getUnfilteredTimelineSet());
const { body, formatted_body: formattedBody }: Record<string, string> =
editedReply?.getContent()['m.new.content'] ?? replyEvt.getContent();
const senderId = replyEvt.getSender();
if (senderId && typeof body === 'string') {
setReplyDraft({
userId: senderId,
eventId: replyId,
body,
formattedBody,
});
setTimeout(() => ReactEditor.focus(editor), 100);
}
},
[room, setReplyDraft, editor]
);
const handleReactionToggle = useCallback(
(targetEventId: string, key: string, shortcode?: string) => {
const relations = getEventReactions(room.getUnfilteredTimelineSet(), targetEventId);
const allReactions = relations?.getSortedAnnotationsByKey() ?? [];
const [, reactionsSet] = allReactions.find(([k]) => k === key) ?? [];
const reactions = reactionsSet ? Array.from(reactionsSet) : [];
const myReaction = reactions.find(factoryEventSentBy(mx.getUserId()!));
if (myReaction && !!myReaction?.isRelation()) {
mx.redactEvent(room.roomId, myReaction.getId()!);
return;
}
const rShortcode =
shortcode ||
(reactions.find(eventWithShortcode)?.getContent().shortcode as string | undefined);
mx.sendEvent(
room.roomId,
MessageEvent.Reaction,
getReactionContent(targetEventId, key, rShortcode)
);
},
[mx, room]
);
const renderBody = (body: string, customBody?: string) => {
if (body === '') <MessageEmptyContent />;
if (customBody) {
if (customBody === '') <MessageEmptyContent />;
return parse(sanitizeCustomHtml(customBody), htmlReactParserOptions);
}
return <Linkify options={LINKIFY_OPTS}>{body}</Linkify>;
};
const renderRoomMsgContent = useRoomMsgContentRenderer<[EventTimelineSet]>({
renderText: (mEventId, mEvent, timelineSet) => {
const editedEvent = getEditedEvent(mEventId, mEvent, timelineSet);
const { body, formatted_body: customBody }: Record<string, unknown> =
editedEvent?.getContent()['m.new.content'] ?? mEvent.getContent();
if (typeof body !== 'string') return null;
return (
<Text
as="div"
style={{
whiteSpace: typeof customBody === 'string' ? 'initial' : 'pre-wrap',
wordBreak: 'break-word',
}}
priority="400"
>
{renderBody(body, typeof customBody === 'string' ? customBody : undefined)}
{!!editedEvent && <MessageEditedContent />}
</Text>
);
},
renderEmote: (mEventId, mEvent, timelineSet) => {
const editedEvent = getEditedEvent(mEventId, mEvent, timelineSet);
const { body, formatted_body: customBody } =
editedEvent?.getContent()['m.new.content'] ?? mEvent.getContent();
const senderId = mEvent.getSender() ?? '';
const senderDisplayName =
getMemberDisplayName(room, senderId) ?? getMxIdLocalPart(senderId) ?? senderId;
return (
<Text
as="div"
style={{
color: color.Success.Main,
fontStyle: 'italic',
whiteSpace: customBody ? 'initial' : 'pre-wrap',
wordBreak: 'break-word',
}}
priority="400"
>
<b>{`${senderDisplayName} `}</b>
{renderBody(body, typeof customBody === 'string' ? customBody : undefined)}
{!!editedEvent && <MessageEditedContent />}
</Text>
);
},
renderNotice: (mEventId, mEvent, timelineSet) => {
const editedEvent = getEditedEvent(mEventId, mEvent, timelineSet);
const { body, formatted_body: customBody }: Record<string, unknown> =
editedEvent?.getContent()['m.new.content'] ?? mEvent.getContent();
if (typeof body !== 'string') return null;
return (
<Text
as="div"
style={{
whiteSpace: typeof customBody === 'string' ? 'initial' : 'pre-wrap',
wordBreak: 'break-word',
}}
priority="300"
>
{renderBody(body, typeof customBody === 'string' ? customBody : undefined)}
{!!editedEvent && <MessageEditedContent />}
</Text>
);
},
renderImage: (mEventId, mEvent) => {
const content = mEvent.getContent<IImageContent>();
const imgInfo = content?.info;
const mxcUrl = content.file?.url ?? content.url;
if (!imgInfo || typeof imgInfo.mimetype !== 'string' || typeof mxcUrl !== 'string') {
if (mxcUrl) {
return fileRenderer(mEventId, mEvent);
}
return null;
}
const height = scaleYDimension(imgInfo.w || 400, 400, imgInfo.h || 400);
return (
<Attachment>
<AttachmentBox
style={{
height: toRem(height < 48 ? 48 : height),
}}
>
<ImageContent
body={content.body || 'Image'}
info={imgInfo}
mimeType={imgInfo.mimetype}
url={mxcUrl}
encInfo={content.file}
autoPlay={mediaAutoLoad}
/>
</AttachmentBox>
</Attachment>
);
},
renderVideo: (mEventId, mEvent) => {
const content = mEvent.getContent<IVideoContent>();
const videoInfo = content?.info;
const mxcUrl = content.file?.url ?? content.url;
const safeMimeType = getBlobSafeMimeType(videoInfo?.mimetype ?? '');
if (!videoInfo || !safeMimeType.startsWith('video') || typeof mxcUrl !== 'string') {
if (mxcUrl) {
return fileRenderer(mEventId, mEvent);
}
return null;
}
const height = scaleYDimension(videoInfo.w || 400, 400, videoInfo.h || 400);
return (
<Attachment>
<AttachmentBox
style={{
height: toRem(height < 48 ? 48 : height),
}}
>
<VideoContent
body={content.body || 'Video'}
info={videoInfo}
mimeType={safeMimeType}
url={mxcUrl}
encInfo={content.file}
loadThumbnail={mediaAutoLoad}
/>
</AttachmentBox>
</Attachment>
);
},
renderAudio: (mEventId, mEvent) => {
const content = mEvent.getContent<IAudioContent>();
const audioInfo = content?.info;
const mxcUrl = content.file?.url ?? content.url;
const safeMimeType = getBlobSafeMimeType(audioInfo?.mimetype ?? '');
if (!audioInfo || !safeMimeType.startsWith('audio') || typeof mxcUrl !== 'string') {
if (mxcUrl) {
return fileRenderer(mEventId, mEvent);
}
return null;
}
return (
<Attachment>
<AttachmentHeader>
<FileHeader body={content.body ?? 'Audio'} mimeType={safeMimeType} />
</AttachmentHeader>
<AttachmentBox>
<AttachmentContent>
<AudioContent
info={audioInfo}
mimeType={safeMimeType}
url={mxcUrl}
encInfo={content.file}
/>
</AttachmentContent>
</AttachmentBox>
</Attachment>
);
},
renderLocation: (mEventId, mEvent) => {
const content = mEvent.getContent();
const geoUri = content.geo_uri;
if (typeof geoUri !== 'string') return null;
const location = parseGeoUri(geoUri);
return (
<Box direction="Column" alignItems="Start" gap="100">
<Text size="T400">{geoUri}</Text>
<Chip
as="a"
size="400"
href={`https://www.openstreetmap.org/?mlat=${location.latitude}&mlon=${location.longitude}#map=16/${location.latitude}/${location.longitude}`}
target="_blank"
rel="noreferrer noopener"
variant="Primary"
radii="Pill"
before={<Icon src={Icons.External} size="50" />}
>
<Text size="B300">Open Location</Text>
</Chip>
</Box>
);
},
renderFile: fileRenderer,
renderBadEncrypted: () => (
<Text>
<MessageBadEncryptedContent />
</Text>
),
renderUnsupported: (mEventId, mEvent) => {
if (mEvent.isRedacted()) {
const redactedEvt = mEvent.getRedactionEvent();
const reason =
redactedEvt && 'content' in redactedEvt ? redactedEvt.content.reason : undefined;
return (
<Text>
<MessageDeletedContent reason={reason} />
</Text>
);
}
return (
<Text>
<MessageUnsupportedContent />
</Text>
);
},
renderBrokenFallback: (mEventId, mEvent) => {
if (mEvent.isRedacted()) {
const redactedEvt = mEvent.getRedactionEvent();
const reason =
redactedEvt && 'content' in redactedEvt ? redactedEvt.content.reason : undefined;
return (
<Text>
<MessageDeletedContent reason={reason} />
</Text>
);
}
return (
<Text>
<MessageBrokenContent />
</Text>
);
},
});
const renderMatrixEvent = useMatrixEventRenderer<[number, EventTimelineSet, boolean]>({
renderRoomMessage: (mEventId, mEvent, item, timelineSet, collapse) => {
const reactionRelations = getEventReactions(timelineSet, mEventId);
const reactions = reactionRelations && reactionRelations.getSortedAnnotationsByKey();
const hasReactions = reactions && reactions.length > 0;
const { replyEventId } = mEvent;
const highlighted = focusItem.current?.index === item && focusItem.current.highlight;
return (
<Message
key={mEvent.getId()}
data-message-item={item}
room={room}
mEvent={mEvent}
messageSpacing={messageSpacing}
messageLayout={messageLayout}
collapse={collapse}
highlight={highlighted}
canDelete={canRedact || mEvent.getSender() === mx.getUserId()}
canSendReaction={canSendReaction}
imagePackRooms={imagePackRooms}
relations={hasReactions ? reactionRelations : undefined}
onUserClick={handleUserClick}
onUsernameClick={handleUsernameClick}
onReplyClick={handleReplyClick}
onReactionToggle={handleReactionToggle}
reply={
replyEventId && (
<Reply
as="button"
mx={mx}
room={room}
timelineSet={timelineSet}
eventId={replyEventId}
data-reply-id={replyEventId}
onClick={handleOpenReply}
/>
)
}
reactions={
reactionRelations && (
<Reactions
style={{ marginTop: config.space.S200 }}
room={room}
relations={reactionRelations}
mEventId={mEventId}
canSendReaction={canSendReaction}
onReactionToggle={handleReactionToggle}
/>
)
}
>
{renderRoomMsgContent(mEventId, mEvent, timelineSet)}
</Message>
);
},
renderRoomEncrypted: (mEventId, mEvent, item, timelineSet, collapse) => {
const reactionRelations = getEventReactions(timelineSet, mEventId);
const reactions = reactionRelations && reactionRelations.getSortedAnnotationsByKey();
const hasReactions = reactions && reactions.length > 0;
const { replyEventId } = mEvent;
const highlighted = focusItem.current?.index === item && focusItem.current.highlight;
return (
<Message
key={mEvent.getId()}
data-message-item={item}
room={room}
mEvent={mEvent}
messageSpacing={messageSpacing}
messageLayout={messageLayout}
collapse={collapse}
highlight={highlighted}
canDelete={canRedact || mEvent.getSender() === mx.getUserId()}
canSendReaction={canSendReaction}
imagePackRooms={imagePackRooms}
relations={hasReactions ? reactionRelations : undefined}
onUserClick={handleUserClick}
onUsernameClick={handleUsernameClick}
onReplyClick={handleReplyClick}
onReactionToggle={handleReactionToggle}
reply={
replyEventId && (
<Reply
as="button"
mx={mx}
room={room}
timelineSet={timelineSet}
eventId={replyEventId}
data-reply-id={replyEventId}
onClick={handleOpenReply}
/>
)
}
reactions={
reactionRelations && (
<Reactions
style={{ marginTop: config.space.S200 }}
room={room}
relations={reactionRelations}
mEventId={mEventId}
canSendReaction={canSendReaction}
onReactionToggle={handleReactionToggle}
/>
)
}
>
<EncryptedContent mEvent={mEvent}>
{() => {
if (mEvent.getType() === MessageEvent.Sticker)
return <StickerContent mEvent={mEvent} autoPlay={mediaAutoLoad} />;
if (mEvent.getType() === MessageEvent.RoomMessage)
return renderRoomMsgContent(mEventId, mEvent, timelineSet);
if (mEvent.getType() === MessageEvent.RoomMessageEncrypted)
return (
<Text>
<MessageNotDecryptedContent />
</Text>
);
return (
<Text>
<MessageUnsupportedContent />
</Text>
);
}}
</EncryptedContent>
</Message>
);
},
renderSticker: (mEventId, mEvent, item, timelineSet, collapse) => {
const reactionRelations = getEventReactions(timelineSet, mEventId);
const reactions = reactionRelations && reactionRelations.getSortedAnnotationsByKey();
const hasReactions = reactions && reactions.length > 0;
const highlighted = focusItem.current?.index === item && focusItem.current.highlight;
return (
<Message
key={mEvent.getId()}
data-message-item={item}
room={room}
mEvent={mEvent}
messageSpacing={messageSpacing}
messageLayout={messageLayout}
collapse={collapse}
highlight={highlighted}
canDelete={canRedact || mEvent.getSender() === mx.getUserId()}
canSendReaction={canSendReaction}
imagePackRooms={imagePackRooms}
relations={hasReactions ? reactionRelations : undefined}
onUserClick={handleUserClick}
onUsernameClick={handleUsernameClick}
onReplyClick={handleReplyClick}
onReactionToggle={handleReactionToggle}
reactions={
reactionRelations && (
<Reactions
style={{ marginTop: config.space.S200 }}
room={room}
relations={reactionRelations}
mEventId={mEventId}
canSendReaction={canSendReaction}
onReactionToggle={handleReactionToggle}
/>
)
}
>
<StickerContent mEvent={mEvent} autoPlay={mediaAutoLoad} />
</Message>
);
},
renderRoomMember: (mEventId, mEvent, item) => {
const membershipChanged = isMembershipChanged(mEvent);
if (membershipChanged && hideMembershipEvents) return null;
if (!membershipChanged && hideNickAvatarEvents) return null;
const highlighted = focusItem.current?.index === item && focusItem.current.highlight;
const parsed = parseMemberEvent(mEvent);
const timeJSX = <Time ts={mEvent.getTs()} compact={messageLayout === 1} />;
return (
<Event
key={mEvent.getId()}
data-message-item={item}
room={room}
mEvent={mEvent}
highlight={highlighted}
messageSpacing={messageSpacing}
canDelete={canRedact || mEvent.getSender() === mx.getUserId()}
>
<EventContent
messageLayout={messageLayout}
time={timeJSX}
iconSrc={parsed.icon}
content={
<Box grow="Yes" direction="Column">
<Text size="T300" priority="300">
{parsed.body}
</Text>
</Box>
}
/>
</Event>
);
},
renderRoomName: (mEventId, mEvent, item) => {
const highlighted = focusItem.current?.index === item && focusItem.current.highlight;
const senderId = mEvent.getSender() ?? '';
const senderName = getMemberDisplayName(room, senderId) || getMxIdLocalPart(senderId);
const timeJSX = <Time ts={mEvent.getTs()} compact={messageLayout === 1} />;
return (
<Event
key={mEvent.getId()}
data-message-item={item}
room={room}
mEvent={mEvent}
highlight={highlighted}
messageSpacing={messageSpacing}
canDelete={canRedact || mEvent.getSender() === mx.getUserId()}
>
<EventContent
messageLayout={messageLayout}
time={timeJSX}
iconSrc={Icons.Hash}
content={
<Box grow="Yes" direction="Column">
<Text size="T300" priority="300">
<b>{senderName}</b>
{' changed room name'}
</Text>
</Box>
}
/>
</Event>
);
},
renderRoomTopic: (mEventId, mEvent, item) => {
const highlighted = focusItem.current?.index === item && focusItem.current.highlight;
const senderId = mEvent.getSender() ?? '';
const senderName = getMemberDisplayName(room, senderId) || getMxIdLocalPart(senderId);
const timeJSX = <Time ts={mEvent.getTs()} compact={messageLayout === 1} />;
return (
<Event
key={mEvent.getId()}
data-message-item={item}
room={room}
mEvent={mEvent}
highlight={highlighted}
messageSpacing={messageSpacing}
canDelete={canRedact || mEvent.getSender() === mx.getUserId()}
>
<EventContent
messageLayout={messageLayout}
time={timeJSX}
iconSrc={Icons.Hash}
content={
<Box grow="Yes" direction="Column">
<Text size="T300" priority="300">
<b>{senderName}</b>
{' changed room topic'}
</Text>
</Box>
}
/>
</Event>
);
},
renderRoomAvatar: (mEventId, mEvent, item) => {
const highlighted = focusItem.current?.index === item && focusItem.current.highlight;
const senderId = mEvent.getSender() ?? '';
const senderName = getMemberDisplayName(room, senderId) || getMxIdLocalPart(senderId);
const timeJSX = <Time ts={mEvent.getTs()} compact={messageLayout === 1} />;
return (
<Event
key={mEvent.getId()}
data-message-item={item}
room={room}
mEvent={mEvent}
highlight={highlighted}
messageSpacing={messageSpacing}
canDelete={canRedact || mEvent.getSender() === mx.getUserId()}
>
<EventContent
messageLayout={messageLayout}
time={timeJSX}
iconSrc={Icons.Hash}
content={
<Box grow="Yes" direction="Column">
<Text size="T300" priority="300">
<b>{senderName}</b>
{' changed room avatar'}
</Text>
</Box>
}
/>
</Event>
);
},
renderStateEvent: (mEventId, mEvent, item) => {
if (!showHiddenEvents) return null;
const highlighted = focusItem.current?.index === item && focusItem.current.highlight;
const senderId = mEvent.getSender() ?? '';
const senderName = getMemberDisplayName(room, senderId) || getMxIdLocalPart(senderId);
const timeJSX = <Time ts={mEvent.getTs()} compact={messageLayout === 1} />;
return (
<Event
key={mEvent.getId()}
data-message-item={item}
room={room}
mEvent={mEvent}
highlight={highlighted}
messageSpacing={messageSpacing}
canDelete={canRedact || mEvent.getSender() === mx.getUserId()}
>
<EventContent
messageLayout={messageLayout}
time={timeJSX}
iconSrc={Icons.Code}
content={
<Box grow="Yes" direction="Column">
<Text size="T300" priority="300">
<b>{senderName}</b>
{' sent '}
<code className={customHtmlCss.Code}>{mEvent.getType()}</code>
{' state event'}
</Text>
</Box>
}
/>
</Event>
);
},
renderEvent: (mEventId, mEvent, item) => {
if (!showHiddenEvents) return null;
if (Object.keys(mEvent.getContent()).length === 0) return null;
if (mEvent.getRelation()) return null;
if (mEvent.isRedaction()) return null;
const highlighted = focusItem.current?.index === item && focusItem.current.highlight;
const senderId = mEvent.getSender() ?? '';
const senderName = getMemberDisplayName(room, senderId) || getMxIdLocalPart(senderId);
const timeJSX = <Time ts={mEvent.getTs()} compact={messageLayout === 1} />;
return (
<Event
key={mEvent.getId()}
data-message-item={item}
room={room}
mEvent={mEvent}
highlight={highlighted}
messageSpacing={messageSpacing}
canDelete={canRedact || mEvent.getSender() === mx.getUserId()}
>
<EventContent
messageLayout={messageLayout}
time={timeJSX}
iconSrc={Icons.Code}
content={
<Box grow="Yes" direction="Column">
<Text size="T300" priority="300">
<b>{senderName}</b>
{' sent '}
<code className={customHtmlCss.Code}>{mEvent.getType()}</code>
{' event'}
</Text>
</Box>
}
/>
</Event>
);
},
});
let prevEvent: MatrixEvent | undefined;
let isPrevRendered = false;
let newDivider = false;
let dayDivider = false;
const eventRenderer = (item: number) => {
const [eventTimeline, baseIndex] = getTimelineAndBaseIndex(timeline.linkedTimelines, item);
if (!eventTimeline) return null;
const timelineSet = eventTimeline?.getTimelineSet();
const mEvent = getTimelineEvent(eventTimeline, getTimelineRelativeIndex(item, baseIndex));
const mEventId = mEvent?.getId();
if (!mEvent || !mEventId) return null;
if (!newDivider && readUptoEventIdRef.current) {
newDivider = prevEvent?.getId() === readUptoEventIdRef.current;
}
if (!dayDivider) {
dayDivider = prevEvent ? !inSameDay(prevEvent.getTs(), mEvent.getTs()) : false;
}
const collapsed =
isPrevRendered &&
!dayDivider &&
(!newDivider || mEvent.getSender() === mx.getUserId()) &&
prevEvent !== undefined &&
prevEvent.getSender() === mEvent.getSender() &&
prevEvent.getType() === mEvent.getType() &&
minuteDifference(prevEvent.getTs(), mEvent.getTs()) < 2;
const eventJSX = mEvent.isRelation()
? null
: renderMatrixEvent(mEventId, mEvent, item, timelineSet, collapsed);
prevEvent = mEvent;
isPrevRendered = !!eventJSX;
const newDividerJSX =
newDivider && eventJSX && mEvent.getSender() !== mx.getUserId() ? (
<MessageBase space={messageSpacing}>
<TimelineDivider style={{ color: color.Success.Main }} variant="Inherit">
<Badge as="span" size="500" variant="Success" fill="Solid" radii="300">
<Text size="L400">New Messages</Text>
</Badge>
</TimelineDivider>
</MessageBase>
) : null;
const dayDividerJSX =
dayDivider && eventJSX ? (
<MessageBase space={messageSpacing}>
<TimelineDivider variant="Surface">
<Badge as="span" size="500" variant="Secondary" fill="None" radii="300">
<Text size="L400">
{(() => {
if (today(mEvent.getTs())) return 'Today';
if (yesterday(mEvent.getTs())) return 'Yesterday';
return timeDayMonthYear(mEvent.getTs());
})()}
</Text>
</Badge>
</TimelineDivider>
</MessageBase>
) : null;
if (eventJSX && (newDividerJSX || dayDividerJSX)) {
if (newDividerJSX) newDivider = false;
if (dayDividerJSX) dayDivider = false;
return (
<React.Fragment key={mEventId}>
{newDividerJSX}
{dayDividerJSX}
{eventJSX}
</React.Fragment>
);
}
return eventJSX;
};
return (
<Box style={{ height: '100%', color: color.Surface.OnContainer }} grow="Yes">
{unreadInfo?.readUptoEventId && !unreadInfo?.inLiveTimeline && (
<TimelineFloat position="Top">
<Chip
variant="Primary"
radii="Pill"
outlined
before={<Icon size="50" src={Icons.MessageUnread} />}
onClick={handleJumpToUnread}
>
<Text size="L400">Jump to Unread</Text>
</Chip>
<Chip
variant="SurfaceVariant"
radii="Pill"
outlined
before={<Icon size="50" src={Icons.CheckTwice} />}
onClick={handleMarkAsRead}
>
<Text size="L400">Mark as Read</Text>
</Chip>
</TimelineFloat>
)}
<Scroll ref={scrollRef} visibility="Hover">
<Box
direction="Column"
justifyContent="End"
style={{ minHeight: '100%', padding: `${config.space.S600} 0` }}
>
{!canPaginateBack && rangeAtStart && getItems().length > 0 && (
<div
style={{
padding: `${config.space.S700} ${config.space.S400} ${config.space.S600} ${
messageLayout === 1 ? config.space.S400 : toRem(64)
}`,
}}
>
<RoomIntro room={room} />
</div>
)}
{(canPaginateBack || !rangeAtStart) &&
(messageLayout === 1 ? (
<>
<CompactPlaceholder />
<CompactPlaceholder />
<CompactPlaceholder />
<CompactPlaceholder />
<CompactPlaceholder ref={observeBackAnchor} />
</>
) : (
<>
<DefaultPlaceholder />
<DefaultPlaceholder />
<DefaultPlaceholder ref={observeBackAnchor} />
</>
))}
{getItems().map(eventRenderer)}
{(!liveTimelineLinked || !rangeAtEnd) &&
(messageLayout === 1 ? (
<>
<CompactPlaceholder ref={observeFrontAnchor} />
<CompactPlaceholder />
<CompactPlaceholder />
<CompactPlaceholder />
<CompactPlaceholder />
</>
) : (
<>
<DefaultPlaceholder ref={observeFrontAnchor} />
<DefaultPlaceholder />
<DefaultPlaceholder />
</>
))}
<span ref={atBottomAnchorRef} />
</Box>
</Scroll>
{(atBottom === false || !liveTimelineLinked || !rangeAtEnd) && (
<TimelineFloat position="Bottom">
<Chip
variant="SurfaceVariant"
radii="Pill"
outlined
before={<Icon size="50" src={Icons.ArrowBottom} />}
onClick={handleJumpToLatest}
>
<Text size="L400">Jump to Latest</Text>
</Chip>
</TimelineFloat>
)}
</Box>
);
}