Improve accessibility (part 4) (#4408)

* fix(dropdown_menu): Keyboard navigation

* fix(icon_button): Add aria-pressed attribute

* fix(privacy_dropdown): Make accessible

* fix(emoji_picker_dropdown): Make accessible

* fix(icon_button): Support tabIndex

* fix(actions_modal): Remove icon from tab order

* fix(dropdown_menu): Add role=group

* fix(setting_toggle): Toggle via space key

* fix(dropdown_menu): Remove redundant handling of Space key

* fix(emoji_picker_dropdown): Remove redundant Space key handling

* fix(privacy_dropdown): Remove redundant Space key handling

* fix(status): Switch to article and add aria-posinset, aria-setsize

* fix(status_list): Use role=feed and pass more ARIA props to Status

* chore(eslint): jsx-a11y/role-supports-aria-props

1 files changed, 7 insertions, 1 deletions

diff --git a/app/javascript/mastodon/features/notifications/components/setting_toggle.js b/app/javascript/mastodon/features/notifications/components/setting_toggle.js
index be1ff91d6..a20e7ca51 100644
--- a/app/javascript/mastodon/features/notifications/components/setting_toggle.js
+++ b/app/javascript/mastodon/features/notifications/components/setting_toggle.js
@@ -18,13 +18,19 @@ export default class SettingToggle extends React.PureComponent {
     this.props.onChange(this.props.settingKey, target.checked);
   }
 
+  onKeyDown = e => {
+    if (e.key === ' ') {
+      this.props.onChange(this.props.settingKey, !e.target.checked);
+    }
+  }
+
   render () {
     const { prefix, settings, settingKey, label, meta } = this.props;
     const id = ['setting-toggle', prefix, ...settingKey].filter(Boolean).join('-');
 
     return (
       <div className='setting-toggle'>
-        <Toggle id={id} checked={settings.getIn(settingKey)} onChange={this.onChange} />
+        <Toggle id={id} checked={settings.getIn(settingKey)} onChange={this.onChange} onKeyDown={this.onKeyDown} />
         <label htmlFor={id} className='setting-toggle__label'>{label}</label>
         {meta && <span className='setting-meta__label'>{meta}</span>}
       </div>