Add media timeline (#6631)

app/javascript/mastodon/features/public_timeline/index.js

@@ -1,12 +1,13 @@
 import React from 'react';
 import { connect } from 'react-redux';
+import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
+import { NavLink } from 'react-router-dom';
 import PropTypes from 'prop-types';
 import StatusListContainer from '../ui/containers/status_list_container';
 import Column from '../../components/column';
 import ColumnHeader from '../../components/column_header';
 import { expandPublicTimeline } from '../../actions/timelines';
 import { addColumn, removeColumn, moveColumn } from '../../actions/columns';
-import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import ColumnSettingsContainer from './containers/column_settings_container';
 import { connectPublicStream } from '../../actions/streaming';
 
@@ -14,20 +15,25 @@ const messages = defineMessages({
   title: { id: 'column.public', defaultMessage: 'Federated timeline' },
 });
 
-const mapStateToProps = state => ({
-  hasUnread: state.getIn(['timelines', 'public', 'unread']) > 0,
+const mapStateToProps = (state, { onlyMedia }) => ({
+  hasUnread: state.getIn(['timelines', `public${onlyMedia ? ':media' : ''}`, 'unread']) > 0,
 });
 
 @connect(mapStateToProps)
 @injectIntl
 export default class PublicTimeline extends React.PureComponent {
 
+  static defaultProps = {
+    onlyMedia: false,
+  };
+
   static propTypes = {
     dispatch: PropTypes.func.isRequired,
     intl: PropTypes.object.isRequired,
     columnId: PropTypes.string,
     multiColumn: PropTypes.bool,
     hasUnread: PropTypes.bool,
+    onlyMedia: PropTypes.bool,
   };
 
   handlePin = () => {
@@ -50,10 +56,10 @@ export default class PublicTimeline extends React.PureComponent {
   }
 
   componentDidMount () {
-    const { dispatch } = this.props;
+    const { dispatch, onlyMedia } = this.props;
 
-    dispatch(expandPublicTimeline());
-    this.disconnect = dispatch(connectPublicStream());
+    dispatch(expandPublicTimeline({ onlyMedia }));
+    this.disconnect = dispatch(connectPublicStream({ onlyMedia }));
   }
 
   componentWillUnmount () {
@@ -68,13 +74,22 @@ export default class PublicTimeline extends React.PureComponent {
   }
 
   handleLoadMore = maxId => {
-    this.props.dispatch(expandPublicTimeline({ maxId }));
+    const { dispatch, onlyMedia } = this.props;
+
+    dispatch(expandPublicTimeline({ maxId, onlyMedia }));
   }
 
   render () {
-    const { intl, columnId, hasUnread, multiColumn } = this.props;
+    const { intl, columnId, hasUnread, multiColumn, onlyMedia } = this.props;
     const pinned = !!columnId;
 
+    const headline = (
+      <div className='public-timeline__section-headline'>
+        <NavLink exact to='/timelines/public' replace><FormattedMessage id='timeline.posts' defaultMessage='Toots' /></NavLink>
+        <NavLink exact to='/timelines/public/media' replace><FormattedMessage id='timeline.media' defaultMessage='Media' /></NavLink>
+      </div>
+    );
+
     return (
       <Column ref={this.setRef}>
         <ColumnHeader
@@ -91,7 +106,8 @@ export default class PublicTimeline extends React.PureComponent {
         </ColumnHeader>
 
         <StatusListContainer
-          timelineId='public'
+          prepend={headline}
+          timelineId={`public${onlyMedia ? ':media' : ''}`}
           onLoadMore={this.handleLoadMore}
           trackScroll={!pinned}
           scrollKey={`public_timeline-${columnId}`}