jiti-meet/react/features/presence-status/components/PresenceLabel.js

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import PropTypes from 'prop-types';
import React, { Component } from 'react';
import { connect } from 'react-redux';
import { getParticipantById } from '../../base/participants';
/**
* React {@code Component} for displaying the current presence status of a
* participant.
*
* @extends Component
*/
class PresenceLabel extends Component {
/**
* The default values for {@code PresenceLabel} component's property types.
*
* @static
*/
static defaultProps = {
_presence: ''
};
/**
* {@code PresenceLabel} component's property types.
*
* @static
*/
static propTypes = {
/**
* The current present status associated with the passed in
* participantID prop.
*/
_presence: PropTypes.string,
/**
* The ID of the participant whose presence status shoul display.
*/
participantID: PropTypes.string
};
/**
* Implements React's {@link Component#render()}.
*
* @inheritdoc
* @returns {ReactElement}
*/
render() {
const { _presence } = this.props;
return (
<div
className
= { `presence-label ${_presence ? '' : 'no-presence'}` }>
{ _presence }
</div>
);
}
}
/**
* Maps (parts of) the Redux state to the associated {@code PresenceLabel}'s
* props.
*
* @param {Object} state - The Redux state.
* @param {Object} ownProps - The React Component props passed to the associated
* instance of {@code PresenceLabel}.
* @private
* @returns {{
* _presence: (string|undefined)
* }}
*/
function _mapStateToProps(state, ownProps) {
const participant
= getParticipantById(
state['features/base/participants'], ownProps.participantID);
return {
_presence: participant && participant.presence
};
}
export default connect(_mapStateToProps)(PresenceLabel);