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Improve accessibility (part 5) (#4417) 

* fix(status): Add tabIndex=0

* fix(status_list): Make keyboard navigable
This commit is contained in:
Sorin Davidoi 2017-07-28 13:33:40 +02:00 committed by Eugen Rochko
parent 62a9da62a6
commit 534da4f24f
2 changed files with 30 additions and 4 deletions
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6
app/javascript/mastodon/components/status.js
View File

@ -181,7 +181,7 @@ export default class Status extends ImmutablePureComponent {
if (!isIntersecting && isHidden) {
return (
<article ref={this.handleRef} data-id={status.get('id')} aria-posinset={index} aria-setsize={listLength} style={{ height: `${this.height}px`, opacity: 0, overflow: 'hidden' }}>
<article ref={this.handleRef} data-id={status.get('id')} aria-posinset={index} aria-setsize={listLength} tabIndex='0' style={{ height: `${this.height}px`, opacity: 0, overflow: 'hidden' }}>
{status.getIn(['account', 'display_name']) || status.getIn(['account', 'username'])}
{status.get('content')}
</article>
@ -198,7 +198,7 @@ export default class Status extends ImmutablePureComponent {
const displayNameHTML = { __html: emojify(escapeTextContentForBrowser(displayName)) };
return (
<article className='status__wrapper' ref={this.handleRef} data-id={status.get('id')} aria-posinset={index} aria-setsize={listLength}>
<article className='status__wrapper' ref={this.handleRef} data-id={status.get('id')} aria-posinset={index} aria-setsize={listLength} tabIndex='0'>
<div className='status__prepend'>
<div className='status__prepend-icon-wrapper'><i className='fa fa-fw fa-retweet status__prepend-icon' /></div>
<FormattedMessage id='status.reblogged_by' defaultMessage='{name} boosted' values={{ name: <a onClick={this.handleAccountClick} data-id={status.getIn(['account', 'id'])} href={status.getIn(['account', 'url'])} className='status__display-name muted'><strong dangerouslySetInnerHTML={displayNameHTML} /></a> }} />
@ -234,7 +234,7 @@ export default class Status extends ImmutablePureComponent {
}
return (
<article aria-posinset={index} aria-setsize={listLength} className={`status ${this.props.muted ? 'muted' : ''} status-${status.get('visibility')}`} data-id={status.get('id')} ref={this.handleRef}>
<article aria-posinset={index} aria-setsize={listLength} className={`status ${this.props.muted ? 'muted' : ''} status-${status.get('visibility')}`} data-id={status.get('id')} tabIndex='0' ref={this.handleRef}>
<div className='status__info'>
<a href={status.get('url')} className='status__relative-time' target='_blank' rel='noopener'><RelativeTimestamp timestamp={status.get('created_at')} /></a>

28
app/javascript/mastodon/components/status_list.js
View File

@ -104,6 +104,32 @@ export default class StatusList extends ImmutablePureComponent {
this.props.onScrollToBottom();
}
handleKeyDown = (e) => {
if (['PageDown', 'PageUp', 'End', 'Home'].includes(e.key)) {
const article = (() => {
switch (e.key) {
case 'PageDown':
return e.nativeEvent.path[0].nodeName === 'ARTICLE' && e.nativeEvent.path[0].nextElementSibling;
case 'PageUp':
return e.nativeEvent.path[0].nodeName === 'ARTICLE' && e.nativeEvent.path[0].previousElementSibling;
case 'End':
return this.node.querySelector('[role="feed"] > article:last-of-type');
case 'Home':
return this.node.querySelector('[role="feed"] > article:first-of-type');
default:
return null;
}
})();
if (article) {
e.preventDefault();
article.focus();
article.scrollIntoView();
}
}
}
render () {
const { statusIds, scrollKey, trackScroll, shouldUpdateScroll, isLoading, hasMore, prepend, emptyMessage } = this.props;
@ -113,7 +139,7 @@ export default class StatusList extends ImmutablePureComponent {
if (isLoading || statusIds.size > 0 || !emptyMessage) {
scrollableArea = (
<div className='scrollable' ref={this.setRef}>
<div role='feed' className='status-list'>
<div role='feed' className='status-list' onKeyDown={this.handleKeyDown}>
{prepend}
{statusIds.map((statusId, index) => {