133 lines
2.8 KiB
JavaScript
133 lines
2.8 KiB
JavaScript
/* @flow */
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import React, { Component } from 'react';
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import { connect } from 'react-redux';
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import { translate } from '../../base/i18n';
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import { getParticipantById } from '../../base/participants';
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import { Text } from '../../base/react';
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import { STATUS_TO_I18N_KEY } from '../constants';
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/**
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* The type of the React {@code Component} props of {@link PresenceLabel}.
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*/
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type Props = {
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/**
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* The current present status associated with the passed in participantID
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* prop.
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*/
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_presence: string,
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/**
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* Class name for the presence label.
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*/
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className: string,
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/**
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* Default presence status that will be displayed if user's presence status
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* is not available.
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*/
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defaultPresence: string,
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/**
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* The ID of the participant whose presence status should display.
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*/
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participantID: string,
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/**
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* Styles for the presence label.
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*/
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style: Object,
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/**
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* Invoked to obtain translated strings.
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*/
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t: Function
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};
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/**
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* React {@code Component} for displaying the current presence status of a
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* participant.
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*
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* @extends Component
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*/
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class PresenceLabel extends Component<Props> {
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/**
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* The default values for {@code PresenceLabel} component's property types.
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*
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* @static
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*/
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static defaultProps = {
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_presence: ''
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};
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/**
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* Implements React's {@link Component#render()}.
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*
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* @inheritdoc
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* @returns {ReactElement}
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*/
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render() {
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const text = this._getPresenceText();
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if (text === null) {
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return null;
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}
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const { style, className } = this.props;
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return (
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<Text
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className = { className }
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{ ...style }>
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{ text }
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</Text>);
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}
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/**
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* Returns the text associated with the current presence status.
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*
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* @returns {string}
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*/
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_getPresenceText() {
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const { _presence, t } = this.props;
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if (!_presence) {
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return null;
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}
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const i18nKey = STATUS_TO_I18N_KEY[_presence];
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if (!i18nKey) { // fallback to status value
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return _presence;
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}
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return t(i18nKey);
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}
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}
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/**
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* Maps (parts of) the Redux state to the associated {@code PresenceLabel}'s
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* props.
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*
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* @param {Object} state - The Redux state.
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* @param {Object} ownProps - The React Component props passed to the associated
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* instance of {@code PresenceLabel}.
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* @private
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* @returns {{
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* _presence: (string|undefined)
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* }}
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*/
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function _mapStateToProps(state, ownProps) {
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const participant = getParticipantById(state, ownProps.participantID);
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return {
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_presence:
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(participant && participant.presence) || ownProps.defaultPresence
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};
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}
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export default translate(connect(_mapStateToProps)(PresenceLabel));
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