jiti-meet/react/features/conference/components/web/Subject.js

83 lines
2.0 KiB
JavaScript

/* @flow */
import React, { Component } from 'react';
import { getConferenceName } from '../../../base/conference/functions';
import { getParticipantCount } from '../../../base/participants/functions';
import { connect } from '../../../base/redux';
import { isToolboxVisible } from '../../../toolbox/functions.web';
import ConferenceTimer from '../ConferenceTimer';
import ParticipantsCount from './ParticipantsCount';
/**
* The type of the React {@code Component} props of {@link Subject}.
*/
type Props = {
/**
* Whether then participant count should be shown or not.
*/
_showParticipantCount: boolean,
/**
* The subject or the of the conference.
* Falls back to conference name.
*/
_subject: string,
/**
* Indicates whether the component should be visible or not.
*/
_visible: boolean
};
/**
* Subject react component.
*
* @class Subject
*/
class Subject extends Component<Props> {
/**
* Implements React's {@link Component#render()}.
*
* @inheritdoc
* @returns {ReactElement}
*/
render() {
const { _showParticipantCount, _subject, _visible } = this.props;
return (
<div className = { `subject ${_visible ? 'visible' : ''}` }>
<span className = 'subject-text'>{ _subject }</span>
{ _showParticipantCount && <ParticipantsCount /> }
<ConferenceTimer />
</div>
);
}
}
/**
* Maps (parts of) the Redux state to the associated
* {@code Subject}'s props.
*
* @param {Object} state - The Redux state.
* @private
* @returns {{
* _subject: string,
* _visible: boolean
* }}
*/
function _mapStateToProps(state) {
const participantCount = getParticipantCount(state);
return {
_showParticipantCount: participantCount > 2,
_subject: getConferenceName(state),
_visible: isToolboxVisible(state) && participantCount > 1
};
}
export default connect(_mapStateToProps)(Subject);