Improve accessibility (part 3) (#4405)

* fix(compose): Add aria-label for the navigation links

* fix(search): Add input label

* fix(navigation_bar): Link description

* fix(autosuggest_textarea): Add input label

* fix(compose_form): Add input label

* fix(upload_button): Add input label

* fix(account/header): Add link content

* fix(column_header): Use h1 tag

* fix(column_header): Labels move buttons moving column

* fix(settings_text): Add label to input

* fix(column_header): Remove role from h1

* fix(modal_root): Use role=dialog

* fix(modal_root): Focus restauration

* fix(modal_root): Apply inert to sibligs

* fix(column_header): Add role=button

* chore(eslint): Disable jsx-a11y/label-has-for

42 files changed, 170 insertions, 55 deletions

diff --git a/app/javascript/mastodon/components/autosuggest_textarea.js b/app/javascript/mastodon/components/autosuggest_textarea.js
index fa41e59e1..35b37600f 100644
--- a/app/javascript/mastodon/components/autosuggest_textarea.js
+++ b/app/javascript/mastodon/components/autosuggest_textarea.js
@@ -162,20 +162,23 @@ export default class AutosuggestTextarea extends ImmutablePureComponent {
 
     return (
       <div className='autosuggest-textarea'>
-        <Textarea
-          inputRef={this.setTextarea}
-          className='autosuggest-textarea__textarea'
-          disabled={disabled}
-          placeholder={placeholder}
-          autoFocus={autoFocus}
-          value={value}
-          onChange={this.onChange}
-          onKeyDown={this.onKeyDown}
-          onKeyUp={onKeyUp}
-          onBlur={this.onBlur}
-          onPaste={this.onPaste}
-          style={style}
-        />
+        <label>
+          <span style={{ display: 'none' }}>{placeholder}</span>
+          <Textarea
+            inputRef={this.setTextarea}
+            className='autosuggest-textarea__textarea'
+            disabled={disabled}
+            placeholder={placeholder}
+            autoFocus={autoFocus}
+            value={value}
+            onChange={this.onChange}
+            onKeyDown={this.onKeyDown}
+            onKeyUp={onKeyUp}
+            onBlur={this.onBlur}
+            onPaste={this.onPaste}
+            style={style}
+          />
+        </label>
 
         <div className={`autosuggest-textarea__suggestions ${suggestionsHidden || suggestions.isEmpty() ? '' : 'autosuggest-textarea__suggestions--visible'}`}>
           {suggestions.map((suggestion, i) => (
diff --git a/app/javascript/mastodon/components/column_header.js b/app/javascript/mastodon/components/column_header.js
index d3256fbec..05e1de705 100644
--- a/app/javascript/mastodon/components/column_header.js
+++ b/app/javascript/mastodon/components/column_header.js
@@ -6,6 +6,8 @@ import { FormattedMessage, injectIntl, defineMessages } from 'react-intl';
 const messages = defineMessages({
   show: { id: 'column_header.show_settings', defaultMessage: 'Show settings' },
   hide: { id: 'column_header.hide_settings', defaultMessage: 'Hide settings' },
+  moveLeft: { id: 'column_header.moveLeft_settings', defaultMessage: 'Move column to the left' },
+  moveRight: { id: 'column_header.moveRight_settings', defaultMessage: 'Move column to the right' },
 });
 
 @injectIntl
@@ -101,8 +103,8 @@ export default class ColumnHeader extends React.PureComponent {
 
       moveButtons = (
         <div key='move-buttons' className='column-header__setting-arrows'>
-          <button className='text-btn column-header__setting-btn' onClick={this.handleMoveLeft}><i className='fa fa-chevron-left' /></button>
-          <button className='text-btn column-header__setting-btn' onClick={this.handleMoveRight}><i className='fa fa-chevron-right' /></button>
+          <button title={formatMessage(messages.moveLeft)} aria-label={formatMessage(messages.moveLeft)} className='text-btn column-header__setting-btn' onClick={this.handleMoveLeft}><i className='fa fa-chevron-left' /></button>
+          <button title={formatMessage(messages.moveRight)} aria-label={formatMessage(messages.moveRight)} className='text-btn column-header__setting-btn' onClick={this.handleMoveRight}><i className='fa fa-chevron-right' /></button>
         </div>
       );
     } else if (multiColumn) {
@@ -133,7 +135,7 @@ export default class ColumnHeader extends React.PureComponent {
 
     return (
       <div className={wrapperClassName}>
-        <div role='heading' tabIndex={focusable && '0'} className={buttonClassName} aria-label={title} onClick={this.handleTitleClick}>
+        <h1 tabIndex={focusable && '0'} role='button' className={buttonClassName} aria-label={title} onClick={this.handleTitleClick}>
           <i className={`fa fa-fw fa-${icon} column-header__icon`} />
           {title}
 
@@ -141,7 +143,7 @@ export default class ColumnHeader extends React.PureComponent {
             {backButton}
             {collapseButton}
           </div>
-        </div>
+        </h1>
 
         <div className={collapsibleClassName} tabIndex={collapsed && -1} onTransitionEnd={this.handleTransitionEnd}>
           <div className='column-header__collapsible-inner'>
diff --git a/app/javascript/mastodon/components/setting_text.js b/app/javascript/mastodon/components/setting_text.js
index dd975bc99..a6dde4c0f 100644
--- a/app/javascript/mastodon/components/setting_text.js
+++ b/app/javascript/mastodon/components/setting_text.js
@@ -19,12 +19,15 @@ export default class SettingText extends React.PureComponent {
     const { settings, settingKey, label } = this.props;
 
     return (
-      <input
-        className='setting-text'
-        value={settings.getIn(settingKey)}
-        onChange={this.handleChange}
-        placeholder={label}
-      />
+      <label>
+        <span style={{ display: 'none' }}>{label}</span>
+        <input
+          className='setting-text'
+          value={settings.getIn(settingKey)}
+          onChange={this.handleChange}
+          placeholder={label}
+        />
+      </label>
     );
   }
 
diff --git a/app/javascript/mastodon/features/account/components/header.js b/app/javascript/mastodon/features/account/components/header.js
index 3239b1085..40567d17c 100644
--- a/app/javascript/mastodon/features/account/components/header.js
+++ b/app/javascript/mastodon/features/account/components/header.js
@@ -52,9 +52,10 @@ class Avatar extends ImmutablePureComponent {
     return (
       <Motion defaultStyle={{ radius: 90 }} style={{ radius: spring(isHovered ? 30 : 90, { stiffness: 180, damping: 12 }) }}>
         {({ radius }) =>
-          <a // eslint-disable-line jsx-a11y/anchor-has-content
+          <a
             href={account.get('url')}
             className='account__header__avatar'
+            role='presentation'
             target='_blank'
             rel='noopener'
             style={{ borderRadius: `${radius}px`, backgroundImage: `url(${autoPlayGif || isHovered ? account.get('avatar') : account.get('avatar_static')})` }}
@@ -62,7 +63,9 @@ class Avatar extends ImmutablePureComponent {
             onMouseOut={this.handleMouseOut}
             onFocus={this.handleMouseOver}
             onBlur={this.handleMouseOut}
-          />
+          >
+            <span style={{ display: 'none' }}>{account.get('acct')}</span>
+          </a>
         }
       </Motion>
     );
diff --git a/app/javascript/mastodon/features/compose/components/compose_form.js b/app/javascript/mastodon/features/compose/components/compose_form.js
index 7a7a20bb8..170fb0f28 100644
--- a/app/javascript/mastodon/features/compose/components/compose_form.js
+++ b/app/javascript/mastodon/features/compose/components/compose_form.js
@@ -159,7 +159,10 @@ export default class ComposeForm extends ImmutablePureComponent {
       <div className='compose-form'>
         <Collapsable isVisible={this.props.spoiler} fullHeight={50}>
           <div className='spoiler-input'>
-            <input placeholder={intl.formatMessage(messages.spoiler_placeholder)} value={this.props.spoiler_text} onChange={this.handleChangeSpoilerText} onKeyDown={this.handleKeyDown} type='text' className='spoiler-input__input'  id='cw-spoiler-input' />
+            <label>
+              <span style={{ display: 'none' }}>{intl.formatMessage(messages.spoiler_placeholder)}</span>
+              <input placeholder={intl.formatMessage(messages.spoiler_placeholder)} value={this.props.spoiler_text} onChange={this.handleChangeSpoilerText} onKeyDown={this.handleKeyDown} type='text' className='spoiler-input__input'  id='cw-spoiler-input' />
+            </label>
           </div>
         </Collapsable>
 
diff --git a/app/javascript/mastodon/features/compose/components/navigation_bar.js b/app/javascript/mastodon/features/compose/components/navigation_bar.js
index c76210c85..cd2dd8f61 100644
--- a/app/javascript/mastodon/features/compose/components/navigation_bar.js
+++ b/app/javascript/mastodon/features/compose/components/navigation_bar.js
@@ -18,6 +18,7 @@ export default class NavigationBar extends ImmutablePureComponent {
     return (
       <div className='navigation-bar'>
         <Permalink href={this.props.account.get('url')} to={`/accounts/${this.props.account.get('id')}`}>
+          <span style={{ display: 'none' }}>{this.props.account.get('acct')}</span>
           <Avatar src={this.props.account.get('avatar')} animate size={40} />
         </Permalink>
 
diff --git a/app/javascript/mastodon/features/compose/components/search.js b/app/javascript/mastodon/features/compose/components/search.js
index cdc7952c0..85ef767ab 100644
--- a/app/javascript/mastodon/features/compose/components/search.js
+++ b/app/javascript/mastodon/features/compose/components/search.js
@@ -52,15 +52,18 @@ export default class Search extends React.PureComponent {
 
     return (
       <div className='search'>
-        <input
-          className='search__input'
-          type='text'
-          placeholder={intl.formatMessage(messages.placeholder)}
-          value={value}
-          onChange={this.handleChange}
-          onKeyUp={this.handleKeyDown}
-          onFocus={this.handleFocus}
-        />
+        <label>
+          <span style={{ display: 'none' }}>{intl.formatMessage(messages.placeholder)}</span>
+          <input
+            className='search__input'
+            type='text'
+            placeholder={intl.formatMessage(messages.placeholder)}
+            value={value}
+            onChange={this.handleChange}
+            onKeyUp={this.handleKeyDown}
+            onFocus={this.handleFocus}
+          />
+        </label>
 
         <div role='button' tabIndex='0' className='search__icon' onClick={this.handleClear}>
           <i className={`fa fa-search ${hasValue ? '' : 'active'}`} />
diff --git a/app/javascript/mastodon/features/compose/components/upload_button.js b/app/javascript/mastodon/features/compose/components/upload_button.js
index badd6cfc5..70b28a2ba 100644
--- a/app/javascript/mastodon/features/compose/components/upload_button.js
+++ b/app/javascript/mastodon/features/compose/components/upload_button.js
@@ -57,16 +57,19 @@ export default class UploadButton extends ImmutablePureComponent {
     return (
       <div className='compose-form__upload-button'>
         <IconButton icon='camera' title={intl.formatMessage(messages.upload)} disabled={disabled} onClick={this.handleClick} className='compose-form__upload-button-icon' size={18} inverted style={iconStyle} />
-        <input
-          key={resetFileKey}
-          ref={this.setRef}
-          type='file'
-          multiple={false}
-          accept={acceptContentTypes.toArray().join(',')}
-          onChange={this.handleChange}
-          disabled={disabled}
-          style={{ display: 'none' }}
-        />
+        <label>
+          <span style={{ display: 'none' }}>{intl.formatMessage(messages.upload)}</span>
+          <input
+            key={resetFileKey}
+            ref={this.setRef}
+            type='file'
+            multiple={false}
+            accept={acceptContentTypes.toArray().join(',')}
+            onChange={this.handleChange}
+            disabled={disabled}
+            style={{ display: 'none' }}
+          />
+        </label>
       </div>
     );
   }
diff --git a/app/javascript/mastodon/features/compose/index.js b/app/javascript/mastodon/features/compose/index.js
index b3f410f3b..0b686ddb3 100644
--- a/app/javascript/mastodon/features/compose/index.js
+++ b/app/javascript/mastodon/features/compose/index.js
@@ -65,21 +65,21 @@ export default class Compose extends React.PureComponent {
       const { columns } = this.props;
       header = (
         <nav className='drawer__header'>
-          <Link to='/getting-started' className='drawer__tab' title={intl.formatMessage(messages.start)}><i role='img' className='fa fa-fw fa-asterisk' /></Link>
+          <Link to='/getting-started' className='drawer__tab' title={intl.formatMessage(messages.start)} aria-label={intl.formatMessage(messages.start)}><i role='img' className='fa fa-fw fa-asterisk' /></Link>
           {!columns.some(column => column.get('id') === 'HOME') && (
-            <Link to='/timelines/home' className='drawer__tab' title={intl.formatMessage(messages.home_timeline)}><i role='img' className='fa fa-fw fa-home' /></Link>
+            <Link to='/timelines/home' className='drawer__tab' title={intl.formatMessage(messages.home_timeline)} aria-label={intl.formatMessage(messages.home_timeline)}><i role='img' className='fa fa-fw fa-home' /></Link>
           )}
           {!columns.some(column => column.get('id') === 'NOTIFICATIONS') && (
-            <Link to='/notifications' className='drawer__tab' title={intl.formatMessage(messages.notifications)}><i role='img' className='fa fa-fw fa-bell' /></Link>
+            <Link to='/notifications' className='drawer__tab' title={intl.formatMessage(messages.notifications)} aria-label={intl.formatMessage(messages.notifications)}><i role='img' className='fa fa-fw fa-bell' /></Link>
           )}
           {!columns.some(column => column.get('id') === 'COMMUNITY') && (
-            <Link to='/timelines/public/local' className='drawer__tab' title={intl.formatMessage(messages.community)}><i role='img' className='fa fa-fw fa-users' /></Link>
+            <Link to='/timelines/public/local' className='drawer__tab' title={intl.formatMessage(messages.community)} aria-label={intl.formatMessage(messages.community)}><i role='img' className='fa fa-fw fa-users' /></Link>
           )}
           {!columns.some(column => column.get('id') === 'PUBLIC') && (
-            <Link to='/timelines/public' className='drawer__tab' title={intl.formatMessage(messages.public)}><i role='img' className='fa fa-fw fa-globe' /></Link>
+            <Link to='/timelines/public' className='drawer__tab' title={intl.formatMessage(messages.public)} aria-label={intl.formatMessage(messages.public)}><i role='img' className='fa fa-fw fa-globe' /></Link>
           )}
-          <a href='/settings/preferences' className='drawer__tab' title={intl.formatMessage(messages.preferences)}><i role='img' className='fa fa-fw fa-cog' /></a>
-          <a href='/auth/sign_out' className='drawer__tab' data-method='delete' title={intl.formatMessage(messages.logout)}><i role='img' className='fa fa-fw fa-sign-out' /></a>
+          <a href='/settings/preferences' className='drawer__tab' title={intl.formatMessage(messages.preferences)} aria-label={intl.formatMessage(messages.preferences)}><i role='img' className='fa fa-fw fa-cog' /></a>
+          <a href='/auth/sign_out' className='drawer__tab' data-method='delete' title={intl.formatMessage(messages.logout)} aria-label={intl.formatMessage(messages.logout)}><i role='img' className='fa fa-fw fa-sign-out' /></a>
         </nav>
       );
     }
diff --git a/app/javascript/mastodon/features/ui/components/modal_root.js b/app/javascript/mastodon/features/ui/components/modal_root.js
index 4a917e0a3..3ca19e4d5 100644
--- a/app/javascript/mastodon/features/ui/components/modal_root.js
+++ b/app/javascript/mastodon/features/ui/components/modal_root.js
@@ -44,10 +44,34 @@ export default class ModalRoot extends React.PureComponent {
     window.addEventListener('keyup', this.handleKeyUp, false);
   }
 
+  componentWillReceiveProps (nextProps) {
+    if (!!nextProps.type && !this.props.type) {
+      this.activeElement = document.activeElement;
+
+      this.getSiblings().forEach(sibling => sibling.setAttribute('inert', true));
+    }
+  }
+
+  componentDidUpdate (prevProps) {
+    if (!this.type && !!prevProps.type) {
+      this.getSiblings().forEach(sibling => sibling.removeAttribute('inert'));
+      this.activeElement.focus();
+      this.activeElement = null;
+    }
+  }
+
   componentWillUnmount () {
     window.removeEventListener('keyup', this.handleKeyUp);
   }
 
+  getSiblings = () => {
+    return Array(...this.node.parentElement.childNodes).filter(node => node !== this.node);
+  }
+
+  setRef = ref => {
+    this.node = ref;
+  }
+
   willEnter () {
     return { opacity: 0, scale: 0.98 };
   }
@@ -86,11 +110,11 @@ export default class ModalRoot extends React.PureComponent {
         willLeave={this.willLeave}
       >
         {interpolatedStyles =>
-          <div className='modal-root'>
+          <div className='modal-root' ref={this.setRef}>
             {interpolatedStyles.map(({ key, data: { type, props }, style }) => (
               <div key={key} style={{ pointerEvents: visible ? 'auto' : 'none' }}>
                 <div role='presentation' className='modal-root__overlay' style={{ opacity: style.opacity }} onClick={onClose} />
-                <div className='modal-root__container' style={{ opacity: style.opacity, transform: `translateZ(0px) scale(${style.scale})` }}>
+                <div role='dialog' className='modal-root__container' style={{ opacity: style.opacity, transform: `translateZ(0px) scale(${style.scale})` }}>
                   <BundleContainer fetchComponent={MODAL_COMPONENTS[type]} loading={this.renderLoading} error={this.renderError} renderDelay={200}>
                     {(SpecificComponent) => <SpecificComponent {...props} onClose={onClose} />}
                   </BundleContainer>
diff --git a/app/javascript/mastodon/locales/ar.json b/app/javascript/mastodon/locales/ar.json
index 8ce254bde..b21bec4aa 100644
--- a/app/javascript/mastodon/locales/ar.json
+++ b/app/javascript/mastodon/locales/ar.json
@@ -35,6 +35,8 @@
   "column.public": "الخيط العام الموحد",
   "column_back_button.label": "العودة",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/bg.json b/app/javascript/mastodon/locales/bg.json
index e3db1c7e1..9b6c1bc04 100644
--- a/app/javascript/mastodon/locales/bg.json
+++ b/app/javascript/mastodon/locales/bg.json
@@ -35,6 +35,8 @@
   "column.public": "Публичен канал",
   "column_back_button.label": "Назад",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/ca.json b/app/javascript/mastodon/locales/ca.json
index 2bb51653f..195e1e7f9 100644
--- a/app/javascript/mastodon/locales/ca.json
+++ b/app/javascript/mastodon/locales/ca.json
@@ -35,6 +35,8 @@
   "column.public": "Línia de temps federada",
   "column_back_button.label": "Enrere",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/de.json b/app/javascript/mastodon/locales/de.json
index eb67b5a06..473a97ec4 100644
--- a/app/javascript/mastodon/locales/de.json
+++ b/app/javascript/mastodon/locales/de.json
@@ -35,6 +35,8 @@
   "column.public": "Gesamtes bekanntes Netz",
   "column_back_button.label": "Zurück",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/defaultMessages.json b/app/javascript/mastodon/locales/defaultMessages.json
index 89538f8c3..db635c975 100644
--- a/app/javascript/mastodon/locales/defaultMessages.json
+++ b/app/javascript/mastodon/locales/defaultMessages.json
@@ -62,6 +62,14 @@
         "id": "column_header.hide_settings"
       },
       {
+        "defaultMessage": "Move column to the left",
+        "id": "column_header.moveLeft_settings"
+      },
+      {
+        "defaultMessage": "Move column to the right",
+        "id": "column_header.moveRight_settings"
+      },
+      {
         "defaultMessage": "Unpin",
         "id": "column_header.unpin"
       },
diff --git a/app/javascript/mastodon/locales/en.json b/app/javascript/mastodon/locales/en.json
index 816ce68ae..3297effd0 100644
--- a/app/javascript/mastodon/locales/en.json
+++ b/app/javascript/mastodon/locales/en.json
@@ -35,6 +35,8 @@
   "column.public": "Federated timeline",
   "column_back_button.label": "Back",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/eo.json b/app/javascript/mastodon/locales/eo.json
index a9a6ad150..a148ba3ab 100644
--- a/app/javascript/mastodon/locales/eo.json
+++ b/app/javascript/mastodon/locales/eo.json
@@ -35,6 +35,8 @@
   "column.public": "Fratara tempolinio",
   "column_back_button.label": "Reveni",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/es.json b/app/javascript/mastodon/locales/es.json
index a3c2cae3a..c4e9220ad 100644
--- a/app/javascript/mastodon/locales/es.json
+++ b/app/javascript/mastodon/locales/es.json
@@ -35,6 +35,8 @@
   "column.public": "Historia federada",
   "column_back_button.label": "Atrás",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/fa.json b/app/javascript/mastodon/locales/fa.json
index cb918d414..17b957387 100644
--- a/app/javascript/mastodon/locales/fa.json
+++ b/app/javascript/mastodon/locales/fa.json
@@ -35,6 +35,8 @@
   "column.public": "نوشته‌های همه‌جا",
   "column_back_button.label": "بازگشت",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/fi.json b/app/javascript/mastodon/locales/fi.json
index 0ad2c5bb9..1ed9e4e7c 100644
--- a/app/javascript/mastodon/locales/fi.json
+++ b/app/javascript/mastodon/locales/fi.json
@@ -35,6 +35,8 @@
   "column.public": "Yleinen aikajana",
   "column_back_button.label": "Takaisin",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/fr.json b/app/javascript/mastodon/locales/fr.json
index 9ae9b2d39..5cb5871d4 100644
--- a/app/javascript/mastodon/locales/fr.json
+++ b/app/javascript/mastodon/locales/fr.json
@@ -35,6 +35,8 @@
   "column.public": "Fil public global",
   "column_back_button.label": "Retour",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Épingler",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Retirer",
diff --git a/app/javascript/mastodon/locales/he.json b/app/javascript/mastodon/locales/he.json
index eb3c5d9da..d25922401 100644
--- a/app/javascript/mastodon/locales/he.json
+++ b/app/javascript/mastodon/locales/he.json
@@ -35,6 +35,8 @@
   "column.public": "בפרהסיה",
   "column_back_button.label": "חזרה",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/hr.json b/app/javascript/mastodon/locales/hr.json
index 099f3a7ae..05b670004 100644
--- a/app/javascript/mastodon/locales/hr.json
+++ b/app/javascript/mastodon/locales/hr.json
@@ -35,6 +35,8 @@
   "column.public": "Federalni timeline",
   "column_back_button.label": "Natrag",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/hu.json b/app/javascript/mastodon/locales/hu.json
index c2d6dd672..2d03afcb8 100644
--- a/app/javascript/mastodon/locales/hu.json
+++ b/app/javascript/mastodon/locales/hu.json
@@ -35,6 +35,8 @@
   "column.public": "Nyilvános",
   "column_back_button.label": "Vissza",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/id.json b/app/javascript/mastodon/locales/id.json
index 7c9e75892..65286dcf1 100644
--- a/app/javascript/mastodon/locales/id.json
+++ b/app/javascript/mastodon/locales/id.json
@@ -35,6 +35,8 @@
   "column.public": "Linimasa gabunggan",
   "column_back_button.label": "Kembali",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/io.json b/app/javascript/mastodon/locales/io.json
index e961a8c39..7255436e0 100644
--- a/app/javascript/mastodon/locales/io.json
+++ b/app/javascript/mastodon/locales/io.json
@@ -35,6 +35,8 @@
   "column.public": "Federata tempolineo",
   "column_back_button.label": "Retro",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/it.json b/app/javascript/mastodon/locales/it.json
index b7d2c1d8c..27096f4e1 100644
--- a/app/javascript/mastodon/locales/it.json
+++ b/app/javascript/mastodon/locales/it.json
@@ -35,6 +35,8 @@
   "column.public": "Timeline federata",
   "column_back_button.label": "Indietro",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/ja.json b/app/javascript/mastodon/locales/ja.json
index f01838be2..e18686a25 100644
--- a/app/javascript/mastodon/locales/ja.json
+++ b/app/javascript/mastodon/locales/ja.json
@@ -35,6 +35,8 @@
   "column.public": "連合タイムライン",
   "column_back_button.label": "戻る",
   "column_header.hide_settings": "設定を隠す",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "ピン留めする",
   "column_header.show_settings": "設定を表示",
   "column_header.unpin": "ピン留めを外す",
diff --git a/app/javascript/mastodon/locales/ko.json b/app/javascript/mastodon/locales/ko.json
index 817e53718..597f17aea 100644
--- a/app/javascript/mastodon/locales/ko.json
+++ b/app/javascript/mastodon/locales/ko.json
@@ -35,6 +35,8 @@
   "column.public": "연합 타임라인",
   "column_back_button.label": "돌아가기",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "고정하기",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "고정 해제",
diff --git a/app/javascript/mastodon/locales/nl.json b/app/javascript/mastodon/locales/nl.json
index d79b0799a..f90431383 100644
--- a/app/javascript/mastodon/locales/nl.json
+++ b/app/javascript/mastodon/locales/nl.json
@@ -35,6 +35,8 @@
   "column.public": "Globale tijdlijn",
   "column_back_button.label": "terug",
   "column_header.hide_settings": "Instellingen verbergen",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Vastmaken",
   "column_header.show_settings": "Instellingen tonen",
   "column_header.unpin": "Losmaken",
diff --git a/app/javascript/mastodon/locales/no.json b/app/javascript/mastodon/locales/no.json
index e74ffb3fb..4ac9c497b 100644
--- a/app/javascript/mastodon/locales/no.json
+++ b/app/javascript/mastodon/locales/no.json
@@ -35,6 +35,8 @@
   "column.public": "Felles tidslinje",
   "column_back_button.label": "Tilbake",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/oc.json b/app/javascript/mastodon/locales/oc.json
index 21e434ead..ad5a6ace4 100644
--- a/app/javascript/mastodon/locales/oc.json
+++ b/app/javascript/mastodon/locales/oc.json
@@ -35,6 +35,8 @@
   "column.public": "Flux public global",
   "column_back_button.label": "Tornar",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Penjar",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Despenjar",
diff --git a/app/javascript/mastodon/locales/pl.json b/app/javascript/mastodon/locales/pl.json
index a24c920f4..53ec58d9d 100644
--- a/app/javascript/mastodon/locales/pl.json
+++ b/app/javascript/mastodon/locales/pl.json
@@ -35,6 +35,8 @@
   "column.public": "Globalna oś czasu",
   "column_back_button.label": "Wróć",
   "column_header.hide_settings": "Ukryj ustawienia",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Przypnij",
   "column_header.show_settings": "Pokaż ustawienia",
   "column_header.unpin": "Cofnij przypięcie",
diff --git a/app/javascript/mastodon/locales/pt-BR.json b/app/javascript/mastodon/locales/pt-BR.json
index ac3675909..7483a913d 100644
--- a/app/javascript/mastodon/locales/pt-BR.json
+++ b/app/javascript/mastodon/locales/pt-BR.json
@@ -35,6 +35,8 @@
   "column.public": "Global",
   "column_back_button.label": "Voltar",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/pt.json b/app/javascript/mastodon/locales/pt.json
index ac3675909..7483a913d 100644
--- a/app/javascript/mastodon/locales/pt.json
+++ b/app/javascript/mastodon/locales/pt.json
@@ -35,6 +35,8 @@
   "column.public": "Global",
   "column_back_button.label": "Voltar",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/ru.json b/app/javascript/mastodon/locales/ru.json
index e9bddf918..3fe1f5eca 100644
--- a/app/javascript/mastodon/locales/ru.json
+++ b/app/javascript/mastodon/locales/ru.json
@@ -35,6 +35,8 @@
   "column.public": "Глобальная лента",
   "column_back_button.label": "Назад",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Закрепить",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Открепить",
diff --git a/app/javascript/mastodon/locales/th.json b/app/javascript/mastodon/locales/th.json
index e41f4193c..fb64a1074 100644
--- a/app/javascript/mastodon/locales/th.json
+++ b/app/javascript/mastodon/locales/th.json
@@ -35,6 +35,8 @@
   "column.public": "Federated timeline",
   "column_back_button.label": "Back",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/tr.json b/app/javascript/mastodon/locales/tr.json
index aafa6739c..565b90b3c 100644
--- a/app/javascript/mastodon/locales/tr.json
+++ b/app/javascript/mastodon/locales/tr.json
@@ -35,6 +35,8 @@
   "column.public": "Federe zaman tüneli",
   "column_back_button.label": "Geri",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/uk.json b/app/javascript/mastodon/locales/uk.json
index 3f496d953..761910976 100644
--- a/app/javascript/mastodon/locales/uk.json
+++ b/app/javascript/mastodon/locales/uk.json
@@ -35,6 +35,8 @@
   "column.public": "Глобальна стрічка",
   "column_back_button.label": "Назад",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/zh-CN.json b/app/javascript/mastodon/locales/zh-CN.json
index e27061d95..37bca74be 100644
--- a/app/javascript/mastodon/locales/zh-CN.json
+++ b/app/javascript/mastodon/locales/zh-CN.json
@@ -35,6 +35,8 @@
   "column.public": "跨站公共时间轴",
   "column_back_button.label": "Back",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/zh-HK.json b/app/javascript/mastodon/locales/zh-HK.json
index 1ce4153bf..8215ab6ca 100644
--- a/app/javascript/mastodon/locales/zh-HK.json
+++ b/app/javascript/mastodon/locales/zh-HK.json
@@ -35,6 +35,8 @@
   "column.public": "跨站時間軸",
   "column_back_button.label": "返回",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
diff --git a/app/javascript/mastodon/locales/zh-TW.json b/app/javascript/mastodon/locales/zh-TW.json
index 6b1310463..5eb5a4341 100644
--- a/app/javascript/mastodon/locales/zh-TW.json
+++ b/app/javascript/mastodon/locales/zh-TW.json
@@ -35,6 +35,8 @@
   "column.public": "聯盟時間軸",
   "column_back_button.label": "上一頁",
   "column_header.hide_settings": "Hide settings",
+  "column_header.moveLeft_settings": "Move column to the left",
+  "column_header.moveRight_settings": "Move column to the right",
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",