element-web/src/components/structures/RoomSubList.js

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/*
Copyright 2015, 2016 OpenMarket Ltd
Copyright 2017 Vector Creations Ltd
Copyright 2018 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import React from 'react';
import classNames from 'classnames';
import sdk from '../../index';
import dis from '../../dispatcher';
import Unread from '../../Unread';
import * as RoomNotifs from '../../RoomNotifs';
import * as FormattingUtils from '../../utils/FormattingUtils';
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import { KeyCode } from '../../Keyboard';
import { Group } from 'matrix-js-sdk';
import PropTypes from 'prop-types';
// turn this on for drop & drag console debugging galore
const debug = false;
const RoomSubList = React.createClass({
displayName: 'RoomSubList',
debug: debug,
propTypes: {
list: PropTypes.arrayOf(PropTypes.object).isRequired,
label: PropTypes.string.isRequired,
tagName: PropTypes.string,
order: PropTypes.string.isRequired,
// passed through to RoomTile and used to highlight room with `!` regardless of notifications count
isInvite: PropTypes.bool,
startAsHidden: PropTypes.bool,
showSpinner: PropTypes.bool, // true to show a spinner if 0 elements when expanded
collapsed: PropTypes.bool.isRequired, // is LeftPanel collapsed?
onHeaderClick: PropTypes.func,
incomingCall: PropTypes.object,
searchFilter: PropTypes.string,
headerItems: PropTypes.node, // content shown in the sublist header
extraTiles: PropTypes.arrayOf(PropTypes.node), // extra elements added beneath tiles
},
getInitialState: function() {
return {
hidden: this.props.startAsHidden || false,
sortedList: [],
};
},
getDefaultProps: function() {
return {
onHeaderClick: function() {
}, // NOP
extraTiles: [],
isInvite: false,
};
},
componentWillMount: function() {
this.setState({
sortedList: this.applySearchFilter(this.props.list, this.props.searchFilter),
});
this.dispatcherRef = dis.register(this.onAction);
},
componentWillUnmount: function() {
dis.unregister(this.dispatcherRef);
},
componentWillReceiveProps: function(newProps) {
// order the room list appropriately before we re-render
//if (debug) console.log("received new props, list = " + newProps.list);
this.setState({
sortedList: this.applySearchFilter(newProps.list, newProps.searchFilter),
});
},
applySearchFilter: function(list, filter) {
if (filter === "") return list;
const lcFilter = filter.toLowerCase();
// case insensitive if room name includes filter,
// or if starts with `#` and one of room's aliases starts with filter
return list.filter((room) => (room.name && room.name.toLowerCase().includes(lcFilter)) ||
(filter[0] === '#' && room.getAliases().some((alias) => alias.toLowerCase().startsWith(lcFilter))));
},
// The header is collapsable if it is hidden or not stuck
// The dataset elements are added in the RoomList _initAndPositionStickyHeaders method
isCollapsableOnClick: function() {
const stuck = this.refs.header.dataset.stuck;
if (this.state.hidden || stuck === undefined || stuck === "none") {
return true;
} else {
return false;
}
},
onAction: function(payload) {
// XXX: Previously RoomList would forceUpdate whenever on_room_read is dispatched,
// but this is no longer true, so we must do it here (and can apply the small
// optimisation of checking that we care about the room being read).
//
// Ultimately we need to transition to a state pushing flow where something
// explicitly notifies the components concerned that the notif count for a room
// has change (e.g. a Flux store).
if (payload.action === 'on_room_read' &&
this.props.list.some((r) => r.roomId === payload.roomId)
) {
this.forceUpdate();
}
},
onClick: function(ev) {
if (this.isCollapsableOnClick()) {
// The header isCollapsable, so the click is to be interpreted as collapse and truncation logic
const isHidden = !this.state.hidden;
this.setState({hidden: isHidden});
this.props.onHeaderClick(isHidden);
} else {
// The header is stuck, so the click is to be interpreted as a scroll to the header
this.props.onHeaderClick(this.state.hidden, this.refs.header.dataset.originalPosition);
}
},
onRoomTileClick(roomId, ev) {
dis.dispatch({
action: 'view_room',
room_id: roomId,
clear_search: (ev && (ev.keyCode === KeyCode.ENTER || ev.keyCode === KeyCode.SPACE)),
});
},
_shouldShowNotifBadge: function(roomNotifState) {
const showBadgeInStates = [RoomNotifs.ALL_MESSAGES, RoomNotifs.ALL_MESSAGES_LOUD];
return showBadgeInStates.indexOf(roomNotifState) > -1;
},
_shouldShowMentionBadge: function(roomNotifState) {
return roomNotifState !== RoomNotifs.MUTE;
},
/**
* Total up all the notification counts from the rooms
*
* @returns {Array} The array takes the form [total, highlight] where highlight is a bool
*/
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roomNotificationCount: function() {
const self = this;
if (this.props.isInvite) {
return [0, true];
}
return this.props.list.reduce(function(result, room, index) {
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const roomNotifState = RoomNotifs.getRoomNotifsState(room.roomId);
const highlight = room.getUnreadNotificationCount('highlight') > 0;
const notificationCount = room.getUnreadNotificationCount();
const notifBadges = notificationCount > 0 && self._shouldShowNotifBadge(roomNotifState);
const mentionBadges = highlight && self._shouldShowMentionBadge(roomNotifState);
const badges = notifBadges || mentionBadges;
if (badges) {
result[0] += notificationCount;
if (highlight) {
result[1] = true;
}
}
return result;
}, [0, false]);
},
_updateSubListCount: function() {
// Force an update by setting the state to the current state
// Doing it this way rather than using forceUpdate(), so that the shouldComponentUpdate()
// method is honoured
this.setState(this.state);
},
makeRoomTiles: function() {
const RoomTile = sdk.getComponent("rooms.RoomTile");
return this.state.sortedList.map((room, index) => {
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return <RoomTile
room={room}
roomSubList={this}
tagName={this.props.tagName}
key={room.roomId}
collapsed={this.props.collapsed || false}
unread={Unread.doesRoomHaveUnreadMessages(room)}
highlight={room.getUnreadNotificationCount('highlight') > 0 || this.props.isInvite}
isInvite={this.props.isInvite}
refreshSubList={this._updateSubListCount}
incomingCall={null}
onClick={this.onRoomTileClick}
/>;
});
},
_onNotifBadgeClick: function(e) {
// prevent the roomsublist collapsing
e.preventDefault();
e.stopPropagation();
// find first room which has notifications and switch to it
for (const room of this.state.sortedList) {
const roomNotifState = RoomNotifs.getRoomNotifsState(room.roomId);
const highlight = room.getUnreadNotificationCount('highlight') > 0;
const notificationCount = room.getUnreadNotificationCount();
const notifBadges = notificationCount > 0 && this._shouldShowNotifBadge(roomNotifState);
const mentionBadges = highlight && this._shouldShowMentionBadge(roomNotifState);
if (notifBadges || mentionBadges) {
dis.dispatch({
action: 'view_room',
room_id: room.roomId,
});
return;
}
}
},
_onInviteBadgeClick: function(e) {
// prevent the roomsublist collapsing
e.preventDefault();
e.stopPropagation();
// switch to first room in sortedList as that'll be the top of the list for the user
if (this.state.sortedList && this.state.sortedList.length > 0) {
dis.dispatch({
action: 'view_room',
room_id: this.state.sortedList[0].roomId,
});
} else if (this.props.extraTiles && this.props.extraTiles.length > 0) {
// Group Invites are different in that they are all extra tiles and not rooms
// XXX: this is a horrible special case because Group Invite sublist is a hack
if (this.props.extraTiles[0].props && this.props.extraTiles[0].props.group instanceof Group) {
dis.dispatch({
action: 'view_group',
group_id: this.props.extraTiles[0].props.group.groupId,
});
}
}
},
_getHeaderJsx: function() {
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const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
const subListNotifications = this.roomNotificationCount();
const subListNotifCount = subListNotifications[0];
const subListNotifHighlight = subListNotifications[1];
let badge;
if (this.state.hidden) {
const badgeClasses = classNames({
'mx_RoomSubList_badge': true,
'mx_RoomSubList_badgeHighlight': subListNotifHighlight,
});
if (subListNotifCount > 0) {
badge = <div className={badgeClasses} onClick={this._onNotifBadgeClick}>
{ FormattingUtils.formatCount(subListNotifCount) }
</div>;
} else if (this.props.isInvite) {
// no notifications but highlight anyway because this is an invite badge
badge = <div className={badgeClasses} onClick={this._onInviteBadgeClick}>!</div>;
}
}
// When collapsed, allow a long hover on the header to show user
// the full tag name and room count
let title;
if (this.props.collapsed) {
title = this.props.label;
}
let incomingCall;
if (this.props.incomingCall) {
const self = this;
// Check if the incoming call is for this section
const incomingCallRoom = this.props.list.filter(function(room) {
return self.props.incomingCall.roomId === room.roomId;
});
if (incomingCallRoom.length === 1) {
const IncomingCallBox = sdk.getComponent("voip.IncomingCallBox");
incomingCall =
<IncomingCallBox className="mx_RoomSubList_incomingCall" incomingCall={this.props.incomingCall} />;
}
}
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let addRoomButton;
if (this.props.onAddRoom) {
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addRoomButton = (
<AccessibleButton onClick={ this.props.onAddRoom } className="mx_RoomSubList_addRoom">
+
</AccessibleButton>
);
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}
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const len = this.state.sortedList.length + this.props.extraTiles.length;
let chevron;
if (len) {
const chevronClasses = classNames({
'mx_RoomSubList_chevron': true,
'mx_RoomSubList_chevronRight': this.state.hidden,
'mx_RoomSubList_chevronDown': !this.state.hidden,
});
chevron = (<div className={chevronClasses}></div>);
}
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const tabindex = this.props.searchFilter === "" ? "0" : "-1";
return (
<div className="mx_RoomSubList_labelContainer" title={ title } ref="header">
<AccessibleButton onClick={ this.onClick } className="mx_RoomSubList_label" tabIndex={tabindex}>
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{ chevron }
{ this.props.collapsed ? '' : this.props.label }
{ badge }
{ incomingCall }
</AccessibleButton>
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{ addRoomButton }
</div>
);
},
render: function() {
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const len = this.state.sortedList.length + this.props.extraTiles.length;
if (len) {
const subListClasses = classNames({
"mx_RoomSubList": true,
"mx_RoomSubList_nonEmpty": len && !this.state.hidden,
});
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if (this.state.hidden) {
return <div className={subListClasses}>
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{this._getHeaderJsx()}
</div>;
} else {
const heightEstimation = (len * 40) + 31;
const style = {
flexBasis: `${heightEstimation}px`,
maxHeight: `${heightEstimation}px`,
};
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const GeminiScrollbarWrapper = sdk.getComponent("elements.GeminiScrollbarWrapper");
const tiles = this.makeRoomTiles();
tiles.push(...this.props.extraTiles);
return <div className={subListClasses} style={style}>
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{this._getHeaderJsx()}
<GeminiScrollbarWrapper>
{ tiles }
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</GeminiScrollbarWrapper>
</div>;
}
} else {
const Loader = sdk.getComponent("elements.Spinner");
let content;
if (this.props.showSpinner && !this.state.hidden) {
content = <Loader />;
}
return (
<div className="mx_RoomSubList">
{ this._getHeaderJsx() }
{ content }
</div>
);
}
},
});
module.exports = RoomSubList;