mirror of
https://github.com/element-hq/element-web.git
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344 lines
13 KiB
JavaScript
344 lines
13 KiB
JavaScript
/*
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Copyright 2015, 2016 OpenMarket Ltd
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Copyright 2017 Vector Creations Ltd
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Copyright 2018 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import React from 'react';
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import classNames from 'classnames';
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import sdk from '../../index';
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import dis from '../../dispatcher';
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import Unread from '../../Unread';
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import * as RoomNotifs from '../../RoomNotifs';
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import * as FormattingUtils from '../../utils/FormattingUtils';
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import IndicatorScrollbar from './IndicatorScrollbar';
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import { KeyCode } from '../../Keyboard';
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import { Group } from 'matrix-js-sdk';
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import PropTypes from 'prop-types';
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import RoomTile from "../views/rooms/RoomTile";
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import LazyRenderList from "../views/elements/LazyRenderList";
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// turn this on for drop & drag console debugging galore
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const debug = false;
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const RoomSubList = React.createClass({
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displayName: 'RoomSubList',
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debug: debug,
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propTypes: {
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list: PropTypes.arrayOf(PropTypes.object).isRequired,
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label: PropTypes.string.isRequired,
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tagName: PropTypes.string,
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order: PropTypes.string.isRequired,
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// passed through to RoomTile and used to highlight room with `!` regardless of notifications count
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isInvite: PropTypes.bool,
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startAsHidden: PropTypes.bool,
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showSpinner: PropTypes.bool, // true to show a spinner if 0 elements when expanded
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collapsed: PropTypes.bool.isRequired, // is LeftPanel collapsed?
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onHeaderClick: PropTypes.func,
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incomingCall: PropTypes.object,
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isFiltered: PropTypes.bool,
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headerItems: PropTypes.node, // content shown in the sublist header
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extraTiles: PropTypes.arrayOf(PropTypes.node), // extra elements added beneath tiles
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},
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getInitialState: function() {
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return {
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hidden: this.props.startAsHidden || false,
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// some values to get LazyRenderList starting
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scrollerHeight: 800,
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scrollTop: 0,
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};
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},
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getDefaultProps: function() {
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return {
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onHeaderClick: function() {
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}, // NOP
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extraTiles: [],
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isInvite: false,
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};
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},
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componentWillMount: function() {
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this.dispatcherRef = dis.register(this.onAction);
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},
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componentWillUnmount: function() {
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dis.unregister(this.dispatcherRef);
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},
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// The header is collapsable if it is hidden or not stuck
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// The dataset elements are added in the RoomList _initAndPositionStickyHeaders method
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isCollapsableOnClick: function() {
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const stuck = this.refs.header.dataset.stuck;
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if (!this.props.forceExpand && (this.state.hidden || stuck === undefined || stuck === "none")) {
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return true;
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} else {
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return false;
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}
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},
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onAction: function(payload) {
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// XXX: Previously RoomList would forceUpdate whenever on_room_read is dispatched,
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// but this is no longer true, so we must do it here (and can apply the small
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// optimisation of checking that we care about the room being read).
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//
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// Ultimately we need to transition to a state pushing flow where something
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// explicitly notifies the components concerned that the notif count for a room
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// has change (e.g. a Flux store).
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if (payload.action === 'on_room_read' &&
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this.props.list.some((r) => r.roomId === payload.roomId)
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) {
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this.forceUpdate();
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}
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},
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onClick: function(ev) {
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if (this.isCollapsableOnClick()) {
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// The header isCollapsable, so the click is to be interpreted as collapse and truncation logic
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const isHidden = !this.state.hidden;
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this.setState({hidden: isHidden}, () => {
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this.props.onHeaderClick(isHidden);
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});
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} else {
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// The header is stuck, so the click is to be interpreted as a scroll to the header
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this.props.onHeaderClick(this.state.hidden, this.refs.header.dataset.originalPosition);
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}
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},
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onRoomTileClick(roomId, ev) {
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dis.dispatch({
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action: 'view_room',
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room_id: roomId,
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clear_search: (ev && (ev.keyCode === KeyCode.ENTER || ev.keyCode === KeyCode.SPACE)),
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});
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},
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_updateSubListCount: function() {
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// Force an update by setting the state to the current state
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// Doing it this way rather than using forceUpdate(), so that the shouldComponentUpdate()
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// method is honoured
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this.setState(this.state);
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},
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makeRoomTile: function(room) {
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return <RoomTile
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room={room}
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roomSubList={this}
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tagName={this.props.tagName}
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key={room.roomId}
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collapsed={this.props.collapsed || false}
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unread={Unread.doesRoomHaveUnreadMessages(room)}
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highlight={room.getUnreadNotificationCount('highlight') > 0 || this.props.isInvite}
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notificationCount={room.getUnreadNotificationCount()}
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isInvite={this.props.isInvite}
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refreshSubList={this._updateSubListCount}
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incomingCall={null}
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onClick={this.onRoomTileClick}
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/>;
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},
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_onNotifBadgeClick: function(e) {
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// prevent the roomsublist collapsing
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e.preventDefault();
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e.stopPropagation();
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const room = this.props.list.find(room => RoomNotifs.getRoomHasBadge(room));
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if (room) {
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dis.dispatch({
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action: 'view_room',
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room_id: room.roomId,
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});
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}
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},
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_onInviteBadgeClick: function(e) {
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// prevent the roomsublist collapsing
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e.preventDefault();
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e.stopPropagation();
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// switch to first room in sortedList as that'll be the top of the list for the user
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if (this.props.list && this.props.list.length > 0) {
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dis.dispatch({
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action: 'view_room',
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room_id: this.props.list[0].roomId,
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});
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} else if (this.props.extraTiles && this.props.extraTiles.length > 0) {
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// Group Invites are different in that they are all extra tiles and not rooms
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// XXX: this is a horrible special case because Group Invite sublist is a hack
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if (this.props.extraTiles[0].props && this.props.extraTiles[0].props.group instanceof Group) {
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dis.dispatch({
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action: 'view_group',
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group_id: this.props.extraTiles[0].props.group.groupId,
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});
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}
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}
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},
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_getHeaderJsx: function(isCollapsed) {
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const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
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const subListNotifications = !this.props.isInvite ?
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RoomNotifs.aggregateNotificationCount(this.props.list) :
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{count: 0, highlight: true};
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const subListNotifCount = subListNotifications.count;
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const subListNotifHighlight = subListNotifications.highlight;
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let badge;
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if (!this.props.collapsed) {
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const badgeClasses = classNames({
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'mx_RoomSubList_badge': true,
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'mx_RoomSubList_badgeHighlight': subListNotifHighlight,
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});
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if (subListNotifCount > 0) {
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badge = <div className={badgeClasses} onClick={this._onNotifBadgeClick}>
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{ FormattingUtils.formatCount(subListNotifCount) }
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</div>;
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} else if (this.props.isInvite && this.props.list.length) {
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// no notifications but highlight anyway because this is an invite badge
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badge = <div className={badgeClasses} onClick={this._onInviteBadgeClick}>{this.props.list.length}</div>;
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}
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}
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// When collapsed, allow a long hover on the header to show user
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// the full tag name and room count
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let title;
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if (this.props.collapsed) {
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title = this.props.label;
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}
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let incomingCall;
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if (this.props.incomingCall) {
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// We can assume that if we have an incoming call then it is for this list
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const IncomingCallBox = sdk.getComponent("voip.IncomingCallBox");
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incomingCall =
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<IncomingCallBox className="mx_RoomSubList_incomingCall" incomingCall={this.props.incomingCall} />;
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}
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let addRoomButton;
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if (this.props.onAddRoom) {
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addRoomButton = (
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<AccessibleButton onClick={ this.props.onAddRoom } className="mx_RoomSubList_addRoom" />
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);
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}
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const len = this.props.list.length + this.props.extraTiles.length;
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let chevron;
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if (len) {
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const chevronClasses = classNames({
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'mx_RoomSubList_chevron': true,
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'mx_RoomSubList_chevronRight': isCollapsed,
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'mx_RoomSubList_chevronDown': !isCollapsed,
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});
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chevron = (<div className={chevronClasses}></div>);
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}
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const tabindex = this.props.isFiltered ? "0" : "-1";
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return (
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<div className="mx_RoomSubList_labelContainer" title={ title } ref="header">
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<AccessibleButton onClick={ this.onClick } className="mx_RoomSubList_label" tabIndex={tabindex}>
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{ chevron }
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<span>{this.props.label}</span>
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{ incomingCall }
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</AccessibleButton>
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{ badge }
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{ addRoomButton }
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</div>
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);
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},
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checkOverflow: function() {
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if (this.refs.scroller) {
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this.refs.scroller.checkOverflow();
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}
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},
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setHeight: function(height) {
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if (this.refs.subList) {
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this.refs.subList.style.height = `${height}px`;
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}
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this._updateLazyRenderHeight(height);
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},
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_updateLazyRenderHeight: function(height) {
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this.setState({scrollerHeight: height});
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},
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_onScroll: function() {
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this.setState({scrollTop: this.refs.scroller.getScrollTop()});
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},
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_canUseLazyListRendering() {
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// for now disable lazy rendering as they are already rendered tiles
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// not rooms like props.list we pass to LazyRenderList
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return !this.props.extraTiles || !this.props.extraTiles.length;
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},
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render: function() {
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const len = this.props.list.length + this.props.extraTiles.length;
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const isCollapsed = this.state.hidden && !this.props.forceExpand;
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if (len) {
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const subListClasses = classNames({
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"mx_RoomSubList": true,
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"mx_RoomSubList_hidden": isCollapsed,
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"mx_RoomSubList_nonEmpty": len && !isCollapsed,
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});
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if (isCollapsed) {
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return <div ref="subList" className={subListClasses}>
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{this._getHeaderJsx(isCollapsed)}
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</div>;
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} else if (this._canUseLazyListRendering()) {
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return <div ref="subList" className={subListClasses}>
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{this._getHeaderJsx(isCollapsed)}
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<IndicatorScrollbar ref="scroller" className="mx_RoomSubList_scroll" onScroll={ this._onScroll }>
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<LazyRenderList
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scrollTop={this.state.scrollTop }
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height={ this.state.scrollerHeight }
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renderItem={ this.makeRoomTile }
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itemHeight={34}
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items={ this.props.list } />
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</IndicatorScrollbar>
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</div>;
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} else {
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const roomTiles = this.props.list.map(r => this.makeRoomTile(r));
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const tiles = roomTiles.concat(this.props.extraTiles);
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return <div ref="subList" className={subListClasses}>
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{this._getHeaderJsx(isCollapsed)}
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<IndicatorScrollbar ref="scroller" className="mx_RoomSubList_scroll" onScroll={ this._onScroll }>
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{ tiles }
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</IndicatorScrollbar>
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</div>;
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}
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} else {
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const Loader = sdk.getComponent("elements.Spinner");
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let content;
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if (this.props.showSpinner && !isCollapsed) {
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content = <Loader />;
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}
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return (
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<div ref="subList" className="mx_RoomSubList">
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{ this._getHeaderJsx(isCollapsed) }
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{ content }
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</div>
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);
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}
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},
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});
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module.exports = RoomSubList;
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