113 lines
2.8 KiB
JavaScript
113 lines
2.8 KiB
JavaScript
import classNames from 'classnames';
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import { throttle } from 'lodash';
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import PropTypes from 'prop-types';
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import React from 'react';
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import { injectIntl } from 'react-intl';
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import { connect } from 'react-redux';
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import { getSettings } from 'soapbox/actions/settings';
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import Icon from 'soapbox/components/icon';
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const mapStateToProps = state => {
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const settings = getSettings(state);
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return {
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autoload: settings.get('autoloadTimelines'),
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};
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};
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export default @connect(mapStateToProps)
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@injectIntl
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class TimelineQueueButtonHeader extends React.PureComponent {
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static propTypes = {
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onClick: PropTypes.func.isRequired,
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count: PropTypes.number,
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message: PropTypes.object.isRequired,
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threshold: PropTypes.number,
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intl: PropTypes.object.isRequired,
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autoload: PropTypes.bool,
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autoloadThreshold: PropTypes.number,
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};
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static defaultProps = {
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count: 0,
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threshold: 400,
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autoload: true,
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autoloadThreshold: 50,
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};
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state = {
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scrolled: false,
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}
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componentDidMount() {
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this.attachScrollListener();
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}
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componentWillUnmount() {
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this.detachScrollListener();
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}
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componentDidUpdate(prevProps, prevState) {
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const { scrollTop } = (document.scrollingElement || document.documentElement);
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const { count, onClick, autoload, autoloadThreshold } = this.props;
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if (autoload && scrollTop <= autoloadThreshold && count !== prevProps.count) {
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onClick();
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}
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}
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attachScrollListener() {
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window.addEventListener('scroll', this.handleScroll);
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}
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detachScrollListener() {
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window.removeEventListener('scroll', this.handleScroll);
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}
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handleScroll = throttle(() => {
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const { scrollTop } = (document.scrollingElement || document.documentElement);
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const { threshold, onClick, autoload, autoloadThreshold } = this.props;
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if (autoload && scrollTop <= autoloadThreshold) {
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onClick();
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}
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if (scrollTop > threshold) {
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this.setState({ scrolled: true });
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} else {
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this.setState({ scrolled: false });
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}
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}, 150, { trailing: true });
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handleClick = e => {
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window.scrollTo({ top: 0, behavior: 'smooth' });
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this.props.onClick(e);
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}
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render() {
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const { count, message, intl } = this.props;
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const { scrolled } = this.state;
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const visible = count > 0 && scrolled;
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const classes = classNames('timeline-queue-header', {
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'hidden': !visible,
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});
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return (
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<div className={classes}>
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<a className='timeline-queue-header__btn' onClick={this.handleClick}>
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<Icon src={require('@tabler/icons/icons/arrow-bar-to-up.svg')} />
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{(count > 0) && (
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<div className='timeline-queue-header__label'>
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{intl.formatMessage(message, { count })}
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</div>
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)}
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</a>
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</div>
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);
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}
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}
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