diff options
Diffstat (limited to 'app/javascript/flavours/glitch/components/status_list.js')
-rw-r--r-- | app/javascript/flavours/glitch/components/status_list.js | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/components/status_list.js b/app/javascript/flavours/glitch/components/status_list.js new file mode 100644 index 000000000..a399ff567 --- /dev/null +++ b/app/javascript/flavours/glitch/components/status_list.js @@ -0,0 +1,126 @@ +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 RegenerationIndicator from 'flavours/glitch/components/regeneration_indicator'; + +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, + alwaysPrepend: PropTypes.bool, + 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, true); + } + + handleMoveDown = (id, featured) => { + const elementIndex = this.getCurrentStatusIndex(id, featured) + 1; + this._selectChild(elementIndex, false); + } + + handleLoadOlder = debounce(() => { + this.props.onLoadMore(this.props.statusIds.size > 0 ? this.props.statusIds.last() : undefined); + }, 300, { leading: true }) + + _selectChild (index, align_top) { + const container = this.node.node; + const element = container.querySelector(`article:nth-of-type(${index + 1}) .focusable`); + + if (element) { + if (align_top && container.scrollTop > element.offsetTop) { + element.scrollIntoView(true); + } else if (!align_top && container.scrollTop + container.clientHeight < element.offsetTop + element.offsetHeight) { + element.scrollIntoView(false); + } + element.focus(); + } + } + + setRef = c => { + this.node = c; + } + + render () { + const { statusIds, featuredStatusIds, onLoadMore, timelineId, ...other } = this.props; + const { isLoading, isPartial } = other; + + if (isPartial) { + return <RegenerationIndicator />; + } + + let scrollableContent = (isLoading || statusIds.size > 0) ? ( + statusIds.map((statusId, index) => statusId === null ? ( + <LoadGap + key={'gap:' + statusIds.get(index + 1)} + disabled={isLoading} + maxId={index > 0 ? statusIds.get(index - 1) : null} + onClick={onLoadMore} + /> + ) : ( + <StatusContainer + key={statusId} + id={statusId} + onMoveUp={this.handleMoveUp} + onMoveDown={this.handleMoveDown} + contextType={timelineId} + /> + )) + ) : null; + + if (scrollableContent && featuredStatusIds) { + scrollableContent = featuredStatusIds.map(statusId => ( + <StatusContainer + key={`f-${statusId}`} + id={statusId} + featured + onMoveUp={this.handleMoveUp} + onMoveDown={this.handleMoveDown} + contextType={timelineId} + /> + )).concat(scrollableContent); + } + + return ( + <ScrollableList {...other} showLoading={isLoading && statusIds.size === 0} onLoadMore={onLoadMore && this.handleLoadOlder} ref={this.setRef}> + {scrollableContent} + </ScrollableList> + ); + } + +} |