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

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import React from 'react';
import { connect } from 'react-redux';
import PropTypes from 'prop-types';
import StatusListContainer from '../ui/containers/status_list_container';
import Column from '../../components/column';
import ColumnHeader from '../../components/column_header';
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import {
refreshPublicTimeline,
expandPublicTimeline,
updateTimeline,
deleteFromTimelines,
connectTimeline,
disconnectTimeline,
} 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 createStream from '../../stream';
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const messages = defineMessages({
title: { id: 'column.public', defaultMessage: 'Federated timeline' },
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});
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const mapStateToProps = state => ({
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hasUnread: state.getIn(['timelines', 'public', 'unread']) > 0,
streamingAPIBaseURL: state.getIn(['meta', 'streaming_api_base_url']),
accessToken: state.getIn(['meta', 'access_token']),
});
class PublicTimeline extends React.PureComponent {
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static propTypes = {
dispatch: PropTypes.func.isRequired,
intl: PropTypes.object.isRequired,
columnId: PropTypes.string,
multiColumn: PropTypes.bool,
streamingAPIBaseURL: PropTypes.string.isRequired,
accessToken: PropTypes.string.isRequired,
hasUnread: PropTypes.bool,
};
handlePin = () => {
const { columnId, dispatch } = this.props;
if (columnId) {
dispatch(removeColumn(columnId));
} else {
dispatch(addColumn('PUBLIC', {}));
}
}
handleMove = (dir) => {
const { columnId, dispatch } = this.props;
dispatch(moveColumn(columnId, dir));
}
handleHeaderClick = () => {
this.column.scrollTop();
}
componentDidMount () {
const { dispatch, streamingAPIBaseURL, accessToken } = this.props;
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dispatch(refreshPublicTimeline());
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if (typeof this._subscription !== 'undefined') {
return;
}
this._subscription = createStream(streamingAPIBaseURL, accessToken, 'public', {
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connected () {
dispatch(connectTimeline('public'));
},
reconnected () {
dispatch(connectTimeline('public'));
},
disconnected () {
dispatch(disconnectTimeline('public'));
},
received (data) {
switch(data.event) {
case 'update':
dispatch(updateTimeline('public', JSON.parse(data.payload)));
break;
case 'delete':
dispatch(deleteFromTimelines(data.payload));
break;
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}
},
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});
}
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componentWillUnmount () {
if (typeof this._subscription !== 'undefined') {
this._subscription.close();
this._subscription = null;
}
}
setRef = c => {
this.column = c;
}
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handleLoadMore = () => {
this.props.dispatch(expandPublicTimeline());
}
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render () {
const { intl, columnId, hasUnread, multiColumn } = this.props;
const pinned = !!columnId;
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return (
<Column ref={this.setRef}>
<ColumnHeader
icon='globe'
active={hasUnread}
title={intl.formatMessage(messages.title)}
onPin={this.handlePin}
onMove={this.handleMove}
onClick={this.handleHeaderClick}
pinned={pinned}
multiColumn={multiColumn}
>
<ColumnSettingsContainer />
</ColumnHeader>
<StatusListContainer
timelineId='public'
loadMore={this.handleLoadMore}
trackScroll={!pinned}
scrollKey={`public_timeline-${columnId}`}
emptyMessage={<FormattedMessage id='empty_column.public' defaultMessage='There is nothing here! Write something publicly, or manually follow users from other instances to fill it up' />}
/>
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</Column>
);
}
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}
export default connect(mapStateToProps)(injectIntl(PublicTimeline));