Merge remote-tracking branch 'remotes/origin/fix-column-headers-accessibility'

app/javascript/mastodon/components/column_header.js

@@ -23,7 +23,6 @@ export default class ColumnHeader extends React.PureComponent {
     icon: PropTypes.string.isRequired,
     active: PropTypes.bool,
     multiColumn: PropTypes.bool,
-    focusable: PropTypes.bool,
     showBackButton: PropTypes.bool,
     children: PropTypes.node,
     pinned: PropTypes.bool,
@@ -32,10 +31,6 @@ export default class ColumnHeader extends React.PureComponent {
     onClick: PropTypes.func,
   };
 
-  static defaultProps = {
-    focusable: true,
-  }
-
   state = {
     collapsed: true,
     animating: false,
@@ -68,7 +63,7 @@ export default class ColumnHeader extends React.PureComponent {
   }
 
   render () {
-    const { title, icon, active, children, pinned, onPin, multiColumn, focusable, showBackButton, intl: { formatMessage } } = this.props;
+    const { title, icon, active, children, pinned, onPin, multiColumn, showBackButton, intl: { formatMessage } } = this.props;
     const { collapsed, animating } = this.state;
 
     const wrapperClassName = classNames('column-header__wrapper', {
@@ -135,11 +130,13 @@ export default class ColumnHeader extends React.PureComponent {
 
     return (
       <div className={wrapperClassName}>
-        <h1 tabIndex={focusable ? 0 : null} role='button' className={buttonClassName} aria-label={title} onClick={this.handleTitleClick}>
+        <h1 className={buttonClassName}>
+          <button onClick={this.handleTitleClick}>
             <i className={`fa fa-fw fa-${icon} column-header__icon`} />
             <span className='column-header__title'>
               {title}
             </span>
+          </button>
 
           <div className='column-header__buttons'>
             {backButton}

app/javascript/styles/mastodon/components.scss

@@ -2350,6 +2350,19 @@
   position: relative;
   z-index: 2;
   outline: 0;
+  overflow: hidden;
+
+  & > button {
+    display: flex;
+    flex: auto;
+    margin: 0;
+    border: none;
+    padding: 0;
+    color: inherit;
+    background: transparent;
+    font: inherit;
+    text-align: left;
+  }
 
   &.active {
     box-shadow: 0 1px 0 rgba($ui-highlight-color, 0.3);