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import { debounce } from 'lodash';
import React from 'react';
import ImmutablePropTypes from 'react-immutable-proptypes';
import PropTypes from 'prop-types';
import StatusContainer from 'flavours/glitch/containers/status_container';
import ImmutablePureComponent from 'react-immutable-pure-component';
import LoadGap from './load_gap';
import ScrollableList from './scrollable_list';
import { FormattedMessage } from 'react-intl';
export default class StatusList extends ImmutablePureComponent {
static propTypes = {
scrollKey: PropTypes.string.isRequired,
statusIds: ImmutablePropTypes.list.isRequired,
featuredStatusIds: ImmutablePropTypes.list,
onLoadMore: PropTypes.func,
onScrollToTop: PropTypes.func,
onScroll: PropTypes.func,
trackScroll: PropTypes.bool,
shouldUpdateScroll: PropTypes.func,
isLoading: PropTypes.bool,
isPartial: PropTypes.bool,
hasMore: PropTypes.bool,
prepend: PropTypes.node,
emptyMessage: PropTypes.node,
timelineId: PropTypes.string.isRequired,
};
static defaultProps = {
trackScroll: true,
};
getFeaturedStatusCount = () => {
return this.props.featuredStatusIds ? this.props.featuredStatusIds.size : 0;
}
getCurrentStatusIndex = (id, featured) => {
if (featured) {
return this.props.featuredStatusIds.indexOf(id);
} else {
return this.props.statusIds.indexOf(id) + this.getFeaturedStatusCount();
}
}
handleMoveUp = (id, featured) => {
const elementIndex = this.getCurrentStatusIndex(id, featured) - 1;
this._selectChild(elementIndex);
}
handleMoveDown = (id, featured) => {
const elementIndex = this.getCurrentStatusIndex(id, featured) + 1;
this._selectChild(elementIndex);
}
handleLoadOlder = debounce(() => {
this.props.onLoadMore(this.props.statusIds.last());
}, 300, { leading: true })
_selectChild (index) {
const element = this.node.node.querySelector(`article:nth-of-type(${index + 1}) .focusable`);
if (element) {
element.focus();
}
}
setRef = c => {
this.node = c;
}
render () {
const { statusIds, featuredStatusIds, onLoadMore, timelineId, ...other } = this.props;
const { isLoading, isPartial } = other;
if (isPartial) {
return (
<div className='regeneration-indicator'>
<div>
<div className='regeneration-indicator__figure' />
<div className='regeneration-indicator__label'>
<FormattedMessage id='regeneration_indicator.label' tagName='strong' defaultMessage='Loading…' />
<FormattedMessage id='regeneration_indicator.sublabel' defaultMessage='Your home feed is being prepared!' />
</div>
</div>
</div>
);
}
let scrollableContent = (isLoading || statusIds.size > 0) ? (
statusIds.map((statusId, index) => statusId === null ? (
<LoadGap
key={'gap:' + statusIds.get(index + 1)}
disabled={isLoading}
maxId={index > 0 ? statusIds.get(index - 1) : null}
onClick={onLoadMore}
/>
) : (
<StatusContainer
key={statusId}
id={statusId}
onMoveUp={this.handleMoveUp}
onMoveDown={this.handleMoveDown}
contextType={timelineId}
/>
))
) : null;
if (scrollableContent && featuredStatusIds) {
scrollableContent = featuredStatusIds.map(statusId => (
<StatusContainer
key={`f-${statusId}`}
id={statusId}
featured
onMoveUp={this.handleMoveUp}
onMoveDown={this.handleMoveDown}
contextType={timelineId}
/>
)).concat(scrollableContent);
}
return (
<ScrollableList {...other} onLoadMore={onLoadMore && this.handleLoadOlder} ref={this.setRef}>
{scrollableContent}
</ScrollableList>
);
}
}
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