import React from 'react'; import { connect } from 'react-redux'; import PropTypes from 'prop-types'; import ImmutablePropTypes from 'react-immutable-proptypes'; import Column from '../../components/column'; import ColumnHeader from '../../components/column_header'; import { expandNotifications, scrollTopNotifications } from '../../actions/notifications'; import { addColumn, removeColumn, moveColumn } from '../../actions/columns'; import NotificationContainer from './containers/notification_container'; import { defineMessages, injectIntl, FormattedMessage } from 'react-intl'; import ColumnSettingsContainer from './containers/column_settings_container'; import { createSelector } from 'reselect'; import { List as ImmutableList } from 'immutable'; import { debounce } from 'lodash'; import ScrollableList from '../../components/scrollable_list'; import LoadGap from '../../components/load_gap'; const messages = defineMessages({ title: { id: 'column.notifications', defaultMessage: 'Notifications' }, }); const getNotifications = createSelector([ state => ImmutableList(state.getIn(['settings', 'notifications', 'shows']).filter(item => !item).keys()), state => state.getIn(['notifications', 'items']), ], (excludedTypes, notifications) => notifications.filterNot(item => item !== null && excludedTypes.includes(item.get('type')))); const mapStateToProps = state => ({ notifications: getNotifications(state), isLoading: state.getIn(['notifications', 'isLoading'], true), isUnread: state.getIn(['notifications', 'unread']) > 0, hasMore: state.getIn(['notifications', 'hasMore']), }); @connect(mapStateToProps) @injectIntl export default class Notifications extends React.PureComponent { static propTypes = { columnId: PropTypes.string, notifications: ImmutablePropTypes.list.isRequired, dispatch: PropTypes.func.isRequired, shouldUpdateScroll: PropTypes.func, intl: PropTypes.object.isRequired, isLoading: PropTypes.bool, isUnread: PropTypes.bool, multiColumn: PropTypes.bool, hasMore: PropTypes.bool, }; static defaultProps = { trackScroll: true, }; componentWillUnmount () { this.handleLoadOlder.cancel(); this.handleScrollToTop.cancel(); this.handleScroll.cancel(); this.props.dispatch(scrollTopNotifications(false)); } handleLoadGap = (maxId) => { this.props.dispatch(expandNotifications({ maxId })); }; handleLoadOlder = debounce(() => { const last = this.props.notifications.last(); this.props.dispatch(expandNotifications({ maxId: last && last.get('id') })); }, 300, { leading: true }); handleScrollToTop = debounce(() => { this.props.dispatch(scrollTopNotifications(true)); }, 100); handleScroll = debounce(() => { this.props.dispatch(scrollTopNotifications(false)); }, 100); handlePin = () => { const { columnId, dispatch } = this.props; if (columnId) { dispatch(removeColumn(columnId)); } else { dispatch(addColumn('NOTIFICATIONS', {})); } } handleMove = (dir) => { const { columnId, dispatch } = this.props; dispatch(moveColumn(columnId, dir)); } handleHeaderClick = () => { this.column.scrollTop(); } setColumnRef = c => { this.column = c; } handleMoveUp = id => { const elementIndex = this.props.notifications.findIndex(item => item !== null && item.get('id') === id) - 1; this._selectChild(elementIndex); } handleMoveDown = id => { const elementIndex = this.props.notifications.findIndex(item => item !== null && item.get('id') === id) + 1; this._selectChild(elementIndex); } _selectChild (index) { const element = this.column.node.querySelector(`article:nth-of-type(${index + 1}) .focusable`); if (element) { element.focus(); } } render () { const { intl, notifications, shouldUpdateScroll, isLoading, isUnread, columnId, multiColumn, hasMore } = this.props; const pinned = !!columnId; const emptyMessage = ; let scrollableContent = null; if (isLoading && this.scrollableContent) { scrollableContent = this.scrollableContent; } else if (notifications.size > 0 || hasMore) { scrollableContent = notifications.map((item, index) => item === null ? ( 0 ? notifications.getIn([index - 1, 'id']) : null} onClick={this.handleLoadGap} /> ) : ( )); } else { scrollableContent = null; } this.scrollableContent = scrollableContent; const scrollContainer = ( {scrollableContent} ); return ( {scrollContainer} ); } }