jiti-meet/react/features/filmstrip/components/Thumbnail.js

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import React, { Component } from 'react';
import { connect } from 'react-redux';
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import { Audio, MEDIA_TYPE } from '../../base/media';
import {
PARTICIPANT_ROLE,
ParticipantView,
pinParticipant
} from '../../base/participants';
import { Container } from '../../base/react';
import { getTrackByMediaTypeAndParticipant } from '../../base/tracks';
import {
AudioMutedIndicator,
DominantSpeakerIndicator,
ModeratorIndicator,
styles,
VideoMutedIndicator
} from './_';
/**
* React component for video thumbnail.
* @extends Component
*/
class Thumbnail extends Component {
/**
* Thumbnail component's property types.
*
* @static
*/
static propTypes = {
_audioTrack: React.PropTypes.object,
_largeVideo: React.PropTypes.object,
_videoTrack: React.PropTypes.object,
dispatch: React.PropTypes.func,
participant: React.PropTypes.object
}
/**
* Initializes new Video Thumbnail component.
*
* @param {Object} props - Component props.
*/
constructor(props) {
super(props);
// Bind event handlers so they are only bound once for every instance.
this._onClick = this._onClick.bind(this);
}
/**
* Implements React's {@link Component#render()}.
*
* @inheritdoc
* @returns {ReactElement}
*/
render() {
const audioTrack = this.props._audioTrack;
const largeVideo = this.props._largeVideo;
const participant = this.props.participant;
const videoTrack = this.props._videoTrack;
let style = styles.thumbnail;
if (participant.pinned) {
style = {
...style,
...styles.thumbnailPinned
};
}
// We don't render audio in any of the following:
// 1. The audio (source) is muted. There's no practical reason (that we
// know of, anyway) why we'd want to render it given that it's
// silence (& not even comfort noise).
// 2. The audio is local. If we were to render local audio, the local
// participants would be hearing themselves.
const audioMuted = !audioTrack || audioTrack.muted;
const renderAudio = !audioMuted && !audioTrack.local;
const participantId = participant.id;
const participantNotInLargeVideo
= participantId !== largeVideo.participantId;
const videoMuted = !videoTrack || videoTrack.muted;
return (
<Container
onClick = { this._onClick }
style = { style }>
{ renderAudio
&& <Audio
stream
= { audioTrack.jitsiTrack.getOriginalStream() } /> }
<ParticipantView
avatarStyle = { styles.avatar }
participantId = { participantId }
showAvatar = { participantNotInLargeVideo }
showVideo = { participantNotInLargeVideo }
zOrder = { 1 } />
{ participant.role === PARTICIPANT_ROLE.MODERATOR
&& <ModeratorIndicator /> }
{ participant.dominantSpeaker
&& <DominantSpeakerIndicator /> }
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<Container style = { styles.thumbnailIndicatorContainer }>
{ audioMuted
&& <AudioMutedIndicator /> }
{ videoMuted
&& <VideoMutedIndicator /> }
</Container>
</Container>
);
}
/**
* Handles click/tap event on the thumbnail.
*
* @returns {void}
*/
_onClick() {
const { dispatch, participant } = this.props;
// TODO The following currently ignores interfaceConfig.filmStripOnly.
dispatch(pinParticipant(participant.pinned ? null : participant.id));
}
}
/**
* Function that maps parts of Redux state tree into component props.
*
* @param {Object} state - Redux state.
* @param {Object} ownProps - Properties of component.
* @private
* @returns {{
* _audioTrack: Track,
* _largeVideo: Object,
* _videoTrack: Track
* }}
*/
function _mapStateToProps(state, ownProps) {
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// We need read-only access to the state of features/large-video so that the
// filmstrip doesn't render the video of the participant who is rendered on
// the stage i.e. as a large video.
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const largeVideo = state['features/large-video'];
const tracks = state['features/base/tracks'];
const id = ownProps.participant.id;
const audioTrack
= getTrackByMediaTypeAndParticipant(tracks, MEDIA_TYPE.AUDIO, id);
const videoTrack
= getTrackByMediaTypeAndParticipant(tracks, MEDIA_TYPE.VIDEO, id);
return {
_audioTrack: audioTrack,
_largeVideo: largeVideo,
_videoTrack: videoTrack
};
}
export default connect(_mapStateToProps)(Thumbnail);