@sendbird/uikit-react-native
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Sendbird UIKit for React Native: A feature-rich and customizable chat UI kit with messaging, channel management, and user authentication.
339 lines • 15 kB
JavaScript
function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
import React, { useCallback, useContext, useEffect, useRef, useState } from 'react';
import { useToast } from '@sendbird/uikit-react-native-foundation';
import { useGroupChannelHandler } from '@sendbird/uikit-tools';
import { confirmAndMarkAsRead, isDifferentChannel, useFreshCallback, useIsFirstMount } from '@sendbird/uikit-utils';
import ChannelMessageList from '../../../components/ChannelMessageList';
import { MESSAGE_FOCUS_ANIMATION_DELAY, MESSAGE_SEARCH_SAFE_SCROLL_DELAY } from '../../../constants';
import { useLocalization, useSendbirdChat } from '../../../hooks/useContext';
import { GroupChannelContexts } from '../module/moduleContext';
const GroupChannelMessageList = props => {
const toast = useToast();
const {
STRINGS
} = useLocalization();
const {
sdk,
sbOptions,
groupChannelFragmentOptions
} = useSendbirdChat();
const {
setMessageToEdit,
setMessageToReply
} = useContext(GroupChannelContexts.Fragment);
const groupChannelPubSub = useContext(GroupChannelContexts.PubSub);
const {
flatListRef,
lazyScrollToBottom,
lazyScrollToMessageId,
onPressReplyMessageInThread
} = useContext(GroupChannelContexts.MessageList);
const isFirstMount = useIsFirstMount();
const hasSeenNewLineRef = useRef(false);
const isNewLineInViewportRef = useRef(false);
const isNewLineExistInChannelRef = useRef(false);
const scrolledAwayFromBottomRef = useRef(false);
const [isVisibleUnreadMessageFloating, setIsVisibleUnreadMessageFloating] = useState(false);
const viewableMessages = useRef();
const hasUserMarkedAsUnreadRef = useRef(false);
const [unreadFirstMessage, setUnreadFirstMessage] = useState(undefined);
const pendingBottomReachedRef = useRef(null);
const updateHasSeenNewLine = useCallback(hasSeenNewLine => {
if (hasSeenNewLineRef.current !== hasSeenNewLine) {
var _props$onNewLineSeenC;
hasSeenNewLineRef.current = hasSeenNewLine;
(_props$onNewLineSeenC = props.onNewLineSeenChange) === null || _props$onNewLineSeenC === void 0 || _props$onNewLineSeenC.call(props, hasSeenNewLine);
}
}, [props.onNewLineSeenChange]);
const updateHasUserMarkedAsUnread = useCallback(hasUserMarkedAsUnread => {
if (hasUserMarkedAsUnreadRef.current !== hasUserMarkedAsUnread) {
var _props$onUserMarkedAs;
hasUserMarkedAsUnreadRef.current = hasUserMarkedAsUnread;
(_props$onUserMarkedAs = props.onUserMarkedAsUnreadChange) === null || _props$onUserMarkedAs === void 0 || _props$onUserMarkedAs.call(props, hasUserMarkedAsUnread);
}
}, [props.onUserMarkedAsUnreadChange]);
const scrollToMessageWithCreatedAt = useFreshCallback((createdAt, focusAnimated, timeout) => {
const foundMessage = props.messages.find(it => it.createdAt === createdAt);
const isIncludedInList = !!foundMessage;
pendingBottomReachedRef.current = null;
if (isIncludedInList) {
if (focusAnimated) {
setTimeout(() => props.onUpdateSearchItem({
startingPoint: createdAt
}), MESSAGE_FOCUS_ANIMATION_DELAY);
}
pendingBottomReachedRef.current = {
timeout,
timestamp: Date.now()
};
lazyScrollToMessageId({
messageId: foundMessage.messageId,
animated: true,
timeout
});
} else {
if (props.channel.messageOffsetTimestamp <= createdAt) {
if (focusAnimated) {
props.onUpdateSearchItem({
startingPoint: createdAt
});
}
props.onResetMessageListWithStartingPoint(createdAt).catch(_ => {});
} else {
return false;
}
}
return true;
});
const onScrolledAwayFromBottom = useFreshCallback(value => {
scrolledAwayFromBottomRef.current = value;
props.onScrolledAwayFromBottom(value);
});
const scrollToBottom = useFreshCallback(async (animated = false) => {
if (props.hasNext()) {
props.onUpdateSearchItem(undefined);
onScrolledAwayFromBottom(false);
await props.onResetMessageList().catch(_ => {});
onScrolledAwayFromBottom(false);
lazyScrollToBottom({
animated
});
} else {
lazyScrollToBottom({
animated
});
}
});
const onPressUnreadMessagesFloatingCloseButton = useCallback(() => {
var _props$resetNewMessag;
updateHasSeenNewLine(true);
updateHasUserMarkedAsUnread(false);
(_props$resetNewMessag = props.resetNewMessages) === null || _props$resetNewMessag === void 0 || _props$resetNewMessag.call(props);
confirmAndMarkAsRead([props.channel]);
}, [updateHasSeenNewLine, updateHasUserMarkedAsUnread, props.channel.url, props.resetNewMessages]);
const getPrevNonSilentMessage = useCallback((messages, prevMessageIndex) => {
if (messages.length <= prevMessageIndex) {
return null;
}
const prevMessage = messages[prevMessageIndex];
if (prevMessage) {
if (prevMessage.silent) {
return getPrevNonSilentMessage(messages, prevMessageIndex + 1);
} else {
return prevMessage;
}
}
return null;
}, []);
const findFirstUnreadMessage = useFreshCallback(isNewLineExistInChannel => {
if (!sbOptions.uikit.groupChannel.channel.enableMarkAsUnread || !isNewLineExistInChannel) {
return;
}
return props.messages.find((msg, index) => {
var _props$hasPrevious;
if (msg.silent) {
return false;
}
const isMarkedAsUnreadMessage = props.channel.myLastRead === msg.createdAt - 1;
if (isMarkedAsUnreadMessage) {
return true;
}
const prevNonSilentMessage = getPrevNonSilentMessage(props.messages, index + 1);
const hasNoPreviousAndNoPrevMessage = !((_props$hasPrevious = props.hasPrevious) !== null && _props$hasPrevious !== void 0 && _props$hasPrevious.call(props)) && prevNonSilentMessage == null;
const prevMessageIsRead = prevNonSilentMessage != null && prevNonSilentMessage.createdAt <= props.channel.myLastRead;
const isMessageUnread = props.channel.myLastRead < msg.createdAt;
return (hasNoPreviousAndNoPrevMessage || prevMessageIsRead) && isMessageUnread;
});
});
useEffect(() => {
if (!unreadFirstMessage) {
const foundUnreadFirstMessage = findFirstUnreadMessage(props.isNewLineExistInChannel ?? false);
if (foundUnreadFirstMessage) {
processNewLineVisibility(foundUnreadFirstMessage);
setUnreadFirstMessage(foundUnreadFirstMessage);
}
}
}, [props.messages, props.channel.myLastRead, sbOptions.uikit.groupChannel.channel.enableMarkAsUnread]);
const processNewLineVisibility = useFreshCallback(unreadFirstMsg => {
var _viewableMessages$cur;
const isNewLineInViewport = !!((_viewableMessages$cur = viewableMessages.current) !== null && _viewableMessages$cur !== void 0 && _viewableMessages$cur.some(message => message.messageId === (unreadFirstMsg === null || unreadFirstMsg === void 0 ? void 0 : unreadFirstMsg.messageId)));
if (isNewLineInViewportRef.current !== isNewLineInViewport) {
isNewLineInViewportRef.current = isNewLineInViewport;
updateUnreadMessagesFloatingProps();
if (!isNewLineInViewport || hasSeenNewLineRef.current) {
return;
}
updateHasSeenNewLine(true);
if (hasUserMarkedAsUnreadRef.current) {
return;
}
if (0 < props.newMessages.length) {
props.channel.markAsUnread(props.newMessages[0]);
} else {
props.channel.markAsRead();
}
}
});
const onViewableItemsChanged = useFreshCallback(async info => {
if (!sbOptions.uikit.groupChannel.channel.enableMarkAsUnread) {
return;
}
viewableMessages.current = info.viewableItems.filter(token => token.item).map(token => token.item);
processNewLineVisibility(unreadFirstMessage);
});
const onPressMarkAsUnreadMessage = useCallback(async message => {
if (sbOptions.uikit.groupChannel.channel.enableMarkAsUnread && message) {
await props.channel.markAsUnread(message);
updateHasUserMarkedAsUnread(true);
}
}, [sbOptions.uikit.groupChannel.channel.enableMarkAsUnread, updateHasUserMarkedAsUnread]);
useEffect(() => {
isNewLineExistInChannelRef.current = !!props.isNewLineExistInChannel && !!viewableMessages.current;
}, [props.isNewLineExistInChannel, viewableMessages.current]);
const unreadMessagesFloatingPropsRef = useRef();
const updateUnreadMessagesFloatingProps = useFreshCallback(() => {
const canAutoMarkAsRead = !scrolledAwayFromBottomRef.current && !hasUserMarkedAsUnreadRef.current && (hasSeenNewLineRef.current || !isNewLineExistInChannelRef.current);
unreadMessagesFloatingPropsRef.current = {
visible: sbOptions.uikit.groupChannel.channel.enableMarkAsUnread && !canAutoMarkAsRead && isNewLineExistInChannelRef.current && 0 < props.channel.unreadMessageCount && !isNewLineInViewportRef.current,
onPressClose: onPressUnreadMessagesFloatingCloseButton,
unreadMessageCount: props.channel.unreadMessageCount
};
if (isVisibleUnreadMessageFloating !== unreadMessagesFloatingPropsRef.current.visible) {
setIsVisibleUnreadMessageFloating(unreadMessagesFloatingPropsRef.current.visible);
}
});
useEffect(() => {
updateUnreadMessagesFloatingProps();
}, [isNewLineExistInChannelRef.current, props.channel.unreadMessageCount, sbOptions.uikit.groupChannel.channel.enableMarkAsUnread]);
useGroupChannelHandler(sdk, {
onReactionUpdated(channel, event) {
if (isDifferentChannel(channel, props.channel)) return;
const recentMessage = props.messages[0];
const isRecentMessage = recentMessage && recentMessage.messageId === event.messageId;
const scrollReachedBottomAndCanScroll = !props.scrolledAwayFromBottom && !props.hasNext();
if (isRecentMessage && scrollReachedBottomAndCanScroll) {
lazyScrollToBottom({
animated: true,
timeout: 250
});
}
}
});
useEffect(() => {
return groupChannelPubSub.subscribe(({
type,
data
}) => {
switch (type) {
case 'TYPING_BUBBLE_RENDERED':
case 'MESSAGES_RECEIVED':
{
if (!props.scrolledAwayFromBottom) {
scrollToBottom(true);
}
break;
}
case 'MESSAGES_UPDATED':
{
const lastMessage = props.channel.lastMessage;
const [updatedMessage] = data.messages;
const lastMessageUpdated = updatedMessage && lastMessage && lastMessage.messageId === updatedMessage.messageId;
const isMaybeStreaming = props.channel.hasAiBot && lastMessageUpdated;
if (isMaybeStreaming) {
scrollToBottom(false);
} else if (!props.scrolledAwayFromBottom && lastMessageUpdated) {
scrollToBottom(true);
}
break;
}
case 'MESSAGE_SENT_SUCCESS':
case 'MESSAGE_SENT_PENDING':
{
scrollToBottom(false);
break;
}
case 'ON_MARKED_AS_READ_BY_CURRENT_USER':
{
updateUnreadMessagesFloatingProps();
break;
}
case 'ON_MARKED_AS_UNREAD_BY_CURRENT_USER':
{
isNewLineExistInChannelRef.current = true;
const foundFirstUnreadMessage = findFirstUnreadMessage(true);
processNewLineVisibility(foundFirstUnreadMessage);
setUnreadFirstMessage(foundFirstUnreadMessage);
if (!props.scrolledAwayFromBottom) {
scrollToBottom(true);
}
break;
}
}
});
}, [props.scrolledAwayFromBottom]);
useEffect(() => {
return groupChannelFragmentOptions.pubsub.subscribe(payload => {
switch (payload.type) {
case 'OVERRIDE_SEARCH_ITEM_STARTING_POINT':
{
scrollToMessageWithCreatedAt(payload.data.startingPoint, false, MESSAGE_SEARCH_SAFE_SCROLL_DELAY);
break;
}
}
});
}, []);
useEffect(() => {
// Only trigger once when message list mount with initial props.searchItem
// - Search screen + searchItem > mount message list
// - Reset message list + searchItem > re-mount message list
if (isFirstMount && props.searchItem) {
scrollToMessageWithCreatedAt(props.searchItem.startingPoint, false, MESSAGE_SEARCH_SAFE_SCROLL_DELAY);
}
}, [isFirstMount]);
const onPressParentMessage = useFreshCallback((parentMessage, childMessage) => {
if (onPressReplyMessageInThread && sbOptions.uikit.groupChannel.channel.replyType === 'thread' && sbOptions.uikit.groupChannel.channel.threadReplySelectType === 'thread') {
if (parentMessage.createdAt >= props.channel.messageOffsetTimestamp) {
onPressReplyMessageInThread(parentMessage, childMessage.createdAt);
} else {
toast.show(STRINGS.TOAST.FIND_PARENT_MSG_ERROR, 'error');
}
} else {
const canScrollToParent = scrollToMessageWithCreatedAt(parentMessage.createdAt, true, 0);
if (!canScrollToParent) toast.show(STRINGS.TOAST.FIND_PARENT_MSG_ERROR, 'error');
}
});
const onBottomReached = useFreshCallback(() => {
if (props.hasNext()) {
if (pendingBottomReachedRef.current) {
const currentTime = Date.now();
const elapsedTime = currentTime - pendingBottomReachedRef.current.timestamp;
const timeoutThreshold = 500;
if (elapsedTime >= pendingBottomReachedRef.current.timeout + timeoutThreshold) {
var _props$onBottomReache;
(_props$onBottomReache = props.onBottomReached) === null || _props$onBottomReache === void 0 || _props$onBottomReache.call(props);
pendingBottomReachedRef.current = null;
}
} else {
var _props$onBottomReache2;
(_props$onBottomReache2 = props.onBottomReached) === null || _props$onBottomReache2 === void 0 || _props$onBottomReache2.call(props);
}
}
});
return /*#__PURE__*/React.createElement(ChannelMessageList, _extends({}, props, {
ref: flatListRef,
onScrolledAwayFromBottom: onScrolledAwayFromBottom,
onReplyMessage: setMessageToReply,
onReplyInThreadMessage: setMessageToReply,
onEditMessage: setMessageToEdit,
onViewableItemsChanged: onViewableItemsChanged,
onPressParentMessage: onPressParentMessage,
onPressNewMessagesButton: scrollToBottom,
onPressScrollToBottomButton: scrollToBottom,
onPressMarkAsUnreadMessage: onPressMarkAsUnreadMessage,
onBottomReached: onBottomReached,
unreadFirstMessage: unreadFirstMessage,
unreadMessagesFloatingProps: unreadMessagesFloatingPropsRef.current
}));
};
export default /*#__PURE__*/React.memo(GroupChannelMessageList);
//# sourceMappingURL=GroupChannelMessageList.js.map