chinwagsocial/app/assets/javascripts/components/features/community_timeline/index.jsx
Akihiko Odaki cf845fed38 Hide some components rather than unmounting ()
Hide some components rather than unmounting them to allow to show again
quickly and keep the view state such as the scrolled offset.
2017-04-24 04:49:08 +02:00

95 lines
2.7 KiB
JavaScript

import { connect } from 'react-redux';
import PropTypes from 'prop-types';
import StatusListContainer from '../ui/containers/status_list_container';
import Column from '../ui/components/column';
import {
refreshTimeline,
updateTimeline,
deleteFromTimelines,
connectTimeline,
disconnectTimeline
} from '../../actions/timelines';
import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
import ColumnBackButtonSlim from '../../components/column_back_button_slim';
import createStream from '../../stream';
const messages = defineMessages({
title: { id: 'column.community', defaultMessage: 'Local timeline' }
});
const mapStateToProps = state => ({
hasUnread: state.getIn(['timelines', 'community', 'unread']) > 0,
streamingAPIBaseURL: state.getIn(['meta', 'streaming_api_base_url']),
accessToken: state.getIn(['meta', 'access_token'])
});
let subscription;
class CommunityTimeline extends React.PureComponent {
componentDidMount () {
const { dispatch, streamingAPIBaseURL, accessToken } = this.props;
dispatch(refreshTimeline('community'));
if (typeof subscription !== 'undefined') {
return;
}
subscription = createStream(streamingAPIBaseURL, accessToken, 'public:local', {
connected () {
dispatch(connectTimeline('community'));
},
reconnected () {
dispatch(connectTimeline('community'));
},
disconnected () {
dispatch(disconnectTimeline('community'));
},
received (data) {
switch(data.event) {
case 'update':
dispatch(updateTimeline('community', JSON.parse(data.payload)));
break;
case 'delete':
dispatch(deleteFromTimelines(data.payload));
break;
}
}
});
}
componentWillUnmount () {
// if (typeof subscription !== 'undefined') {
// subscription.close();
// subscription = null;
// }
}
render () {
const { intl, hasUnread } = this.props;
return (
<Column icon='users' active={hasUnread} heading={intl.formatMessage(messages.title)}>
<ColumnBackButtonSlim />
<StatusListContainer {...this.props} scrollKey='community_timeline' type='community' emptyMessage={<FormattedMessage id='empty_column.community' defaultMessage='The local timeline is empty. Write something publicly to get the ball rolling!' />} />
</Column>
);
}
}
CommunityTimeline.propTypes = {
dispatch: PropTypes.func.isRequired,
intl: PropTypes.object.isRequired,
streamingAPIBaseURL: PropTypes.string.isRequired,
accessToken: PropTypes.string.isRequired,
hasUnread: PropTypes.bool
};
export default connect(mapStateToProps)(injectIntl(CommunityTimeline));