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instrumental/app/assets/javascripts/components/features/status/index.jsx
Eugen Rochko ef9d4f4e06 Use reselect to memoize denormalization in UI state
Also upgrade react-redux to latest version. This is a performance update
2016-10-08 00:01:22 +02:00

94 lines
3.0 KiB
JavaScript

import { connect } from 'react-redux';
import PureRenderMixin from 'react-addons-pure-render-mixin';
import ImmutablePropTypes from 'react-immutable-proptypes';
import { fetchStatus } from '../../actions/statuses';
import Immutable from 'immutable';
import EmbeddedStatus from '../../components/status';
import LoadingIndicator from '../../components/loading_indicator';
import DetailedStatus from './components/detailed_status';
import ActionBar from './components/action_bar';
import Column from '../ui/components/column';
import { favourite, reblog } from '../../actions/interactions';
import { replyCompose } from '../../actions/compose';
import {
getStatus,
getStatusAncestors,
getStatusDescendants
} from '../../selectors';
const mapStateToProps = (state, props) => ({
status: getStatus(state, Number(props.params.statusId)),
ancestors: getStatusAncestors(state, Number(props.params.statusId)),
descendants: getStatusDescendants(state, Number(props.params.statusId)),
me: state.getIn(['timelines', 'me'])
});
const Status = React.createClass({
propTypes: {
params: React.PropTypes.object.isRequired,
dispatch: React.PropTypes.func.isRequired,
status: ImmutablePropTypes.map,
ancestors: ImmutablePropTypes.orderedSet.isRequired,
descendants: ImmutablePropTypes.orderedSet.isRequired
},
mixins: [PureRenderMixin],
componentWillMount () {
this.props.dispatch(fetchStatus(Number(this.props.params.statusId)));
},
componentWillReceiveProps (nextProps) {
if (nextProps.params.statusId !== this.props.params.statusId && nextProps.params.statusId) {
this.props.dispatch(fetchStatus(Number(nextProps.params.statusId)));
}
},
handleFavouriteClick (status) {
this.props.dispatch(favourite(status));
},
handleReplyClick (status) {
this.props.dispatch(replyCompose(status));
},
handleReblogClick (status) {
this.props.dispatch(reblog(status));
},
renderChildren (list) {
return list.map(s => <EmbeddedStatus status={s} me={this.props.me} key={s.get('id')} onReply={this.handleReplyClick} onFavourite={this.handleFavouriteClick} onReblog={this.handleReblogClick} />);
},
render () {
const { status, ancestors, descendants, me } = this.props;
if (status === null) {
return (
<Column>
<LoadingIndicator />
</Column>
);
}
const account = status.get('account');
return (
<Column>
<div style={{ overflowY: 'scroll', flex: '1 1 auto' }} className='scrollable'>
<div>{this.renderChildren(ancestors)}</div>
<DetailedStatus status={status} me={me} />
<ActionBar status={status} onReply={this.handleReplyClick} onFavourite={this.handleFavouriteClick} onReblog={this.handleReblogClick} />
<div>{this.renderChildren(descendants)}</div>
</div>
</Column>
);
}
});
export default connect(mapStateToProps)(Status);