forked from treehouse/mastodon
55 lines
1.2 KiB
JavaScript
55 lines
1.2 KiB
JavaScript
import React from 'react';
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import PropTypes from 'prop-types';
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import detectPassiveEvents from 'detect-passive-events';
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import { scrollTop } from '../scroll';
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export default class Column extends React.PureComponent {
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static propTypes = {
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children: PropTypes.node,
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extraClasses: PropTypes.string,
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name: PropTypes.string,
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};
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scrollTop () {
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const scrollable = this.node.querySelector('.scrollable');
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if (!scrollable) {
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return;
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}
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this._interruptScrollAnimation = scrollTop(scrollable);
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}
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handleWheel = () => {
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if (typeof this._interruptScrollAnimation !== 'function') {
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return;
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}
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this._interruptScrollAnimation();
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}
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setRef = c => {
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this.node = c;
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}
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componentDidMount () {
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this.node.addEventListener('wheel', this.handleWheel, detectPassiveEvents.hasSupport ? { passive: true } : false);
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}
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componentWillUnmount () {
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this.node.removeEventListener('wheel', this.handleWheel);
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}
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render () {
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const { children, extraClasses, name } = this.props;
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return (
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<div role='region' data-column={name} className={`column ${extraClasses || ''}`} ref={this.setRef}>
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{children}
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</div>
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);
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}
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}
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