| /* |
| * Copyright (C) 2022 Savoir-faire Linux Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Affero General Public License as |
| * published by the Free Software Foundation; either version 3 of the |
| * License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU Affero General Public License for more details. |
| * |
| * You should have received a copy of the GNU Affero General Public |
| * License along with this program. If not, see |
| * <https://www.gnu.org/licenses/>. |
| */ |
| import { Typography } from '@mui/material'; |
| import { Box, Stack } from '@mui/system'; |
| import { ConversationMember, Message } from 'jami-web-common'; |
| import { MutableRefObject, useRef, useState } from 'react'; |
| import { useTranslation } from 'react-i18next'; |
| import { Waypoint } from 'react-waypoint'; |
| |
| import { useAuthContext } from '../contexts/AuthProvider'; |
| import { MessageRow } from './Message'; |
| import { ArrowDownIcon } from './SvgIcon'; |
| |
| interface MessageListProps { |
| members: ConversationMember[]; |
| messages: Message[]; |
| } |
| |
| export default function MessageList({ members, messages }: MessageListProps) { |
| const { account } = useAuthContext(); |
| const [showScrollButton, setShowScrollButton] = useState(false); |
| const listBottomRef = useRef<HTMLElement>(); |
| |
| return ( |
| <> |
| <Stack flex={1} overflow="auto" padding="0px 16px" direction="column-reverse"> |
| {/* Here is the bottom of the list of messages because of 'column-reverse' */} |
| <Box ref={listBottomRef} /> |
| <Waypoint |
| onEnter={() => setShowScrollButton(false)} |
| onLeave={() => setShowScrollButton(true)} |
| bottomOffset="-100px" |
| /> |
| <Stack direction="column-reverse"> |
| { |
| // most recent messages first |
| messages.map((message, index) => { |
| const isAccountMessage = message.author === account.getUri(); |
| let author; |
| if (isAccountMessage) { |
| author = account; |
| } else { |
| const member = members.find((member) => message.author === member.contact.getUri()); |
| author = member?.contact; |
| } |
| if (!author) { |
| return null; |
| } |
| const props = { |
| messageIndex: index, |
| messages, |
| isAccountMessage, |
| author, |
| }; |
| return <MessageRow key={message.id} {...props} />; |
| }) |
| } |
| </Stack> |
| <Waypoint onEnter={() => console.log('should load more messages')} topOffset="-200px" /> |
| </Stack> |
| {showScrollButton && ( |
| <Box position="relative"> |
| <Box position="absolute" bottom="10px" left="50%" sx={{ transform: 'translate(-50%)' }}> |
| <ScrollToEndButton listBottomRef={listBottomRef} /> |
| </Box> |
| </Box> |
| )} |
| </> |
| ); |
| } |
| |
| interface ScrollToEndButtonProps { |
| listBottomRef: MutableRefObject<HTMLElement | undefined>; |
| } |
| |
| const ScrollToEndButton = ({ listBottomRef }: ScrollToEndButtonProps) => { |
| const { t } = useTranslation(); |
| const textColor = 'white'; |
| return ( |
| <Stack |
| direction="row" |
| borderRadius="5px" |
| height="30px" |
| alignItems="center" |
| padding="0 16px" |
| spacing="12px" |
| sx={{ |
| backgroundColor: '#005699', // Should be same color as message bubble |
| cursor: 'pointer', |
| }} |
| onClick={() => listBottomRef.current?.scrollIntoView({ behavior: 'smooth' })} |
| > |
| <ArrowDownIcon sx={{ fontSize: '12px', color: textColor }} /> |
| <Typography variant="caption" fontWeight="bold" color={textColor}> |
| {t('messages_scroll_to_end')} |
| </Typography> |
| </Stack> |
| ); |
| }; |