369 lines
10 KiB
TypeScript
369 lines
10 KiB
TypeScript
import { Q } from '@nozbe/watermelondb';
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import { dequal } from 'dequal';
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import moment from 'moment';
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import React from 'react';
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import { FlatListProps, RefreshControl, ViewToken } from 'react-native';
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import { event, Value } from 'react-native-reanimated';
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import { Observable, Subscription } from 'rxjs';
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import { TSupportedThemes } from '../../../theme';
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import { themes } from '../../../lib/constants';
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import ActivityIndicator from '../../../containers/ActivityIndicator';
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import { TAnyMessageModel, TMessageModel, TThreadMessageModel, TThreadModel } from '../../../definitions';
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import database from '../../../lib/database';
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import { compareServerVersion } from '../../../lib/methods/helpers/compareServerVersion';
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import debounce from '../../../utils/debounce';
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import { animateNextTransition } from '../../../utils/layoutAnimation';
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import log from '../../../utils/log';
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import EmptyRoom from '../EmptyRoom';
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import List, { IListProps, TListRef } from './List';
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import NavBottomFAB from './NavBottomFAB';
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import { loadMissedMessages, loadThreadMessages } from '../../../lib/methods';
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import { Services } from '../../../lib/services';
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const QUERY_SIZE = 50;
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const onScroll = ({ y }: { y: Value<number> }) =>
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event(
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[
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{
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nativeEvent: {
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contentOffset: { y }
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}
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}
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],
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{ useNativeDriver: true }
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);
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export { IListProps };
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export interface IListContainerProps {
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renderRow: Function;
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rid: string;
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tmid?: string;
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theme: TSupportedThemes;
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loading: boolean;
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listRef: TListRef;
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hideSystemMessages?: string[];
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tunread?: string[];
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ignored?: string[];
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navigation: any; // TODO: type me
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showMessageInMainThread: boolean;
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serverVersion: string | null;
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}
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interface IListContainerState {
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messages: TAnyMessageModel[];
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refreshing: boolean;
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highlightedMessage: string | null;
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}
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class ListContainer extends React.Component<IListContainerProps, IListContainerState> {
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private count = 0;
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private mounted = false;
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private animated = false;
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private jumping = false;
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private y = new Value(0);
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private onScroll = onScroll({ y: this.y });
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private unsubscribeFocus: () => void;
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private viewabilityConfig = {
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itemVisiblePercentThreshold: 10
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};
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private highlightedMessageTimeout: number | undefined | false;
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private thread?: TThreadModel;
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private messagesObservable?: Observable<TMessageModel[] | TThreadMessageModel[]>;
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private messagesSubscription?: Subscription;
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private viewableItems?: ViewToken[];
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constructor(props: IListContainerProps) {
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super(props);
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console.time(`${this.constructor.name} init`);
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console.time(`${this.constructor.name} mount`);
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this.state = {
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messages: [],
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refreshing: false,
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highlightedMessage: null
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};
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this.query();
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this.unsubscribeFocus = props.navigation.addListener('focus', () => {
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this.animated = true;
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});
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console.timeEnd(`${this.constructor.name} init`);
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}
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componentDidMount() {
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this.mounted = true;
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console.timeEnd(`${this.constructor.name} mount`);
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}
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shouldComponentUpdate(nextProps: IListContainerProps, nextState: IListContainerState) {
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const { refreshing, highlightedMessage } = this.state;
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const { hideSystemMessages, theme, tunread, ignored, loading } = this.props;
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if (theme !== nextProps.theme) {
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return true;
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}
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if (loading !== nextProps.loading) {
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return true;
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}
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if (highlightedMessage !== nextState.highlightedMessage) {
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return true;
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}
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if (refreshing !== nextState.refreshing) {
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return true;
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}
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if (!dequal(hideSystemMessages, nextProps.hideSystemMessages)) {
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return true;
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}
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if (!dequal(tunread, nextProps.tunread)) {
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return true;
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}
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if (!dequal(ignored, nextProps.ignored)) {
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return true;
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}
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return false;
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}
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componentDidUpdate(prevProps: IListContainerProps) {
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const { hideSystemMessages } = this.props;
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if (!dequal(hideSystemMessages, prevProps.hideSystemMessages)) {
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this.reload();
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}
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}
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componentWillUnmount() {
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this.unsubscribeMessages();
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if (this.unsubscribeFocus) {
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this.unsubscribeFocus();
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}
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this.clearHighlightedMessageTimeout();
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console.countReset(`${this.constructor.name}.render calls`);
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}
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clearHighlightedMessageTimeout = () => {
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if (this.highlightedMessageTimeout) {
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clearTimeout(this.highlightedMessageTimeout);
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this.highlightedMessageTimeout = false;
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}
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};
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query = async () => {
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this.count += QUERY_SIZE;
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const { rid, tmid, showMessageInMainThread, serverVersion } = this.props;
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const db = database.active;
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// handle servers with version < 3.0.0
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let { hideSystemMessages = [] } = this.props;
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if (!Array.isArray(hideSystemMessages)) {
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hideSystemMessages = [];
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}
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if (tmid) {
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try {
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this.thread = await db.get('threads').find(tmid);
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} catch (e) {
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console.log(e);
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}
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this.messagesObservable = db
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.get('thread_messages')
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.query(Q.where('rid', tmid), Q.experimentalSortBy('ts', Q.desc), Q.experimentalSkip(0), Q.experimentalTake(this.count))
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.observe();
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} else if (rid) {
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const whereClause = [
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Q.where('rid', rid),
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Q.experimentalSortBy('ts', Q.desc),
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Q.experimentalSkip(0),
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Q.experimentalTake(this.count)
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] as (Q.WhereDescription | Q.Or)[];
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if (!showMessageInMainThread) {
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whereClause.push(Q.or(Q.where('tmid', null), Q.where('tshow', Q.eq(true))));
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}
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this.messagesObservable = db
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.get('messages')
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.query(...whereClause)
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.observe();
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}
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if (rid) {
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this.unsubscribeMessages();
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this.messagesSubscription = this.messagesObservable?.subscribe(messages => {
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if (tmid && this.thread) {
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messages = [...messages, this.thread];
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}
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/**
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* Since 3.16.0 server version, the backend don't response with messages if
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* hide system message is enabled
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*/
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if (compareServerVersion(serverVersion, 'lowerThan', '3.16.0') || hideSystemMessages.length) {
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messages = messages.filter(m => !m.t || !hideSystemMessages?.includes(m.t));
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}
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if (this.mounted) {
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this.setState({ messages }, () => this.update());
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} else {
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// @ts-ignore
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this.state.messages = messages;
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}
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// TODO: move it away from here
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this.readThreads();
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});
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}
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};
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reload = () => {
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this.count = 0;
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this.query();
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};
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readThreads = debounce(async () => {
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const { tmid } = this.props;
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if (tmid) {
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try {
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await Services.readThreads(tmid);
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} catch {
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// Do nothing
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}
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}
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}, 300);
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onEndReached = () => this.query();
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onRefresh = () =>
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this.setState({ refreshing: true }, async () => {
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const { messages } = this.state;
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const { rid, tmid } = this.props;
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if (messages.length) {
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try {
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if (tmid) {
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await loadThreadMessages({ tmid, rid });
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} else {
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await loadMissedMessages({ rid, lastOpen: moment().subtract(7, 'days').toDate() });
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}
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} catch (e) {
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log(e);
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}
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}
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this.setState({ refreshing: false });
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});
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update = () => {
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if (this.animated) {
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animateNextTransition();
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}
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this.forceUpdate();
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};
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unsubscribeMessages = () => {
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if (this.messagesSubscription && this.messagesSubscription.unsubscribe) {
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this.messagesSubscription.unsubscribe();
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}
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};
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getLastMessage = (): TMessageModel | TThreadMessageModel | null => {
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const { messages } = this.state;
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if (messages.length > 0) {
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return messages[0];
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}
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return null;
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};
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handleScrollToIndexFailed: FlatListProps<any>['onScrollToIndexFailed'] = params => {
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const { listRef } = this.props;
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listRef.current?.getNode().scrollToIndex({ index: params.highestMeasuredFrameIndex, animated: false });
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};
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jumpToMessage = (messageId: string) =>
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new Promise<void>(async resolve => {
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this.jumping = true;
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const { messages } = this.state;
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const { listRef } = this.props;
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const index = messages.findIndex(item => item.id === messageId);
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if (index > -1) {
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listRef.current?.getNode().scrollToIndex({ index, viewPosition: 0.5, viewOffset: 100 });
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await new Promise(res => setTimeout(res, 300));
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if (!this.viewableItems?.map(vi => vi.key).includes(messageId)) {
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if (!this.jumping) {
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return resolve();
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}
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await setTimeout(() => resolve(this.jumpToMessage(messageId)), 300);
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return;
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}
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this.setState({ highlightedMessage: messageId });
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this.clearHighlightedMessageTimeout();
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this.highlightedMessageTimeout = setTimeout(() => {
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this.setState({ highlightedMessage: null });
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}, 10000);
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await setTimeout(() => resolve(), 300);
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} else {
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listRef.current?.getNode().scrollToIndex({ index: messages.length - 1, animated: false });
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if (!this.jumping) {
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return resolve();
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}
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await setTimeout(() => resolve(this.jumpToMessage(messageId)), 300);
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}
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});
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// this.jumping is checked in between operations to make sure we're not stuck
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cancelJumpToMessage = () => {
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this.jumping = false;
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};
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jumpToBottom = () => {
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const { listRef } = this.props;
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listRef.current?.getNode().scrollToOffset({ offset: -100 });
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};
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renderFooter = () => {
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const { rid, loading } = this.props;
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if (loading && rid) {
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return <ActivityIndicator />;
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}
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return null;
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};
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renderItem: FlatListProps<any>['renderItem'] = ({ item, index }) => {
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const { messages, highlightedMessage } = this.state;
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const { renderRow } = this.props;
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return renderRow(item, messages[index + 1], highlightedMessage);
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};
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onViewableItemsChanged: FlatListProps<any>['onViewableItemsChanged'] = ({ viewableItems }) => {
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this.viewableItems = viewableItems;
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};
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render() {
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console.count(`${this.constructor.name}.render calls`);
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const { rid, tmid, listRef } = this.props;
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const { messages, refreshing } = this.state;
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const { theme } = this.props;
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return (
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<>
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<EmptyRoom rid={rid} length={messages.length} mounted={this.mounted} />
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<List
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onScroll={this.onScroll}
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scrollEventThrottle={16}
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listRef={listRef}
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data={messages}
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renderItem={this.renderItem}
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onEndReached={this.onEndReached}
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ListFooterComponent={this.renderFooter}
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onScrollToIndexFailed={this.handleScrollToIndexFailed}
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onViewableItemsChanged={this.onViewableItemsChanged}
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viewabilityConfig={this.viewabilityConfig}
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refreshControl={
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<RefreshControl refreshing={refreshing} onRefresh={this.onRefresh} tintColor={themes[theme].auxiliaryText} />
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}
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/>
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<NavBottomFAB y={this.y} onPress={this.jumpToBottom} isThread={!!tmid} />
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</>
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);
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}
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}
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export type ListContainerType = ListContainer;
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export default ListContainer;
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