148 lines
3.9 KiB
JavaScript
148 lines
3.9 KiB
JavaScript
// @flow
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import React, { Component } from 'react';
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import { translate } from '../../base/i18n';
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import {
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Icon,
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IconVideoQualityAudioOnly,
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IconVideoQualityHD,
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IconVideoQualityLD,
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IconVideoQualitySD
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} from '../../base/icons';
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import { connect } from '../../base/redux';
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import { VIDEO_QUALITY_LEVELS } from '../constants';
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import { findNearestQualityLevel } from '../functions';
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/**
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* A map of of selectable receive resolutions to corresponding icons.
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*
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* @private
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* @type {Object}
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*/
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const VIDEO_QUALITY_TO_ICON = {
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[VIDEO_QUALITY_LEVELS.ULTRA]: IconVideoQualityHD,
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[VIDEO_QUALITY_LEVELS.HIGH]: IconVideoQualityHD,
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[VIDEO_QUALITY_LEVELS.STANDARD]: IconVideoQualitySD,
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[VIDEO_QUALITY_LEVELS.LOW]: IconVideoQualityLD
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};
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/**
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* The type of the React {@code Component} props of
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* {@link OverflowMenuVideoQualityItem}.
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*/
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type Props = {
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/**
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* Whether or not audio only mode is currently enabled.
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*/
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_audioOnly: boolean,
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/**
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* The currently configured maximum quality resolution to be received from
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* and sent to remote participants.
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*/
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_videoQuality: number,
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/**
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* Callback to invoke when {@link OverflowMenuVideoQualityItem} is clicked.
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*/
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onClick: Function,
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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} responsible for displaying a button in the overflow
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* menu of the toolbar, including an icon showing the currently selected
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* max receive quality.
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*
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* @extends Component
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*/
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class OverflowMenuVideoQualityItem extends Component<Props> {
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/**
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* Initializes a new {@code OverflowMenuVideoQualityItem} instance.
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*
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* @param {*} props - The read-only properties with which the new instance
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* is to be initialized.
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*/
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constructor(props) {
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super(props);
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// Bind event handler so it is only bound once for every instance.
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this._onKeyPress = this._onKeyPress.bind(this);
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}
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_onKeyPress: (Object) => void;
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/**
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* KeyPress handler for accessibility.
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*
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* @param {Object} e - The key event to handle.
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*
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* @returns {void}
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*/
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_onKeyPress(e) {
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if (this.props.onClick && (e.key === ' ' || e.key === 'Enter')) {
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e.preventDefault();
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this.props.onClick();
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}
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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 { _audioOnly, _videoQuality } = this.props;
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const videoQualityLevel = findNearestQualityLevel(_videoQuality);
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const icon = _audioOnly || !videoQualityLevel
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? IconVideoQualityAudioOnly
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: VIDEO_QUALITY_TO_ICON[videoQualityLevel];
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return (
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<li
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aria-label = { this.props.t('toolbar.accessibilityLabel.callQuality') }
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className = 'overflow-menu-item'
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onClick = { this.props.onClick }
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onKeyPress = { this._onKeyPress }
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role = 'menuitem'
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tabIndex = { 0 }>
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<span className = 'overflow-menu-item-icon'>
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<Icon src = { icon } />
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</span>
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<span className = 'profile-text'>
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{ this.props.t('toolbar.callQuality') }
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</span>
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</li>
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);
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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 props for the
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* {@code OverflowMenuVideoQualityItem} component.
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*
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* @param {Object} state - The Redux state.
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* @private
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* @returns {{
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* _audioOnly: boolean,
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* _videoQuality: number
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* }}
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*/
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function _mapStateToProps(state) {
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return {
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_audioOnly: state['features/base/audio-only'].enabled,
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_videoQuality: state['features/video-quality'].preferredVideoQuality
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};
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}
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export default translate(
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connect(_mapStateToProps)(OverflowMenuVideoQualityItem));
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