hometown/app/javascript/mastodon/features/ui/components/column.js
Sorin Davidoi 6a6a62f13f Improve accessibility (part 2) (#4377)
* fix(column_header): Invalid ARIA role

* fix(column): Remove hidden nodes from the DOM

* refactor(column_link): Remove unused property hideOnMobile

* fix(column_header): Use aria-pressed

* fix(column_header): Make collapsed content not focusable, add focusable property

* fix(column_loading): Make header non-focusable

* fix(column_settings): Use role to group the toggles
2017-07-26 13:46:53 +02:00

62 lines
1.5 KiB
JavaScript

import React from 'react';
import ColumnHeader from './column_header';
import PropTypes from 'prop-types';
import { debounce } from 'lodash';
import scrollTop from '../../../scroll';
import { isMobile } from '../../../is_mobile';
export default class Column extends React.PureComponent {
static propTypes = {
heading: PropTypes.string,
icon: PropTypes.string,
children: PropTypes.node,
active: PropTypes.bool,
hideHeadingOnMobile: PropTypes.bool,
};
handleHeaderClick = () => {
const scrollable = this.node.querySelector('.scrollable');
if (!scrollable) {
return;
}
this._interruptScrollAnimation = scrollTop(scrollable);
}
handleScroll = debounce(() => {
if (typeof this._interruptScrollAnimation !== 'undefined') {
this._interruptScrollAnimation();
}
}, 200)
setRef = (c) => {
this.node = c;
}
render () {
const { heading, icon, children, active, hideHeadingOnMobile } = this.props;
const showHeading = !hideHeadingOnMobile || (hideHeadingOnMobile && !isMobile(window.innerWidth));
const columnHeaderId = showHeading && heading.replace(/ /g, '-');
const header = showHeading && (
<ColumnHeader icon={icon} active={active} type={heading} onClick={this.handleHeaderClick} columnHeaderId={columnHeaderId} />
);
return (
<div
ref={this.setRef}
role='region'
aria-labelledby={columnHeaderId}
className='column'
onScroll={this.handleScroll}
>
{header}
{children}
</div>
);
}
}