docbrown/app/javascript/chat/video.jsx
2018-07-03 15:04:35 -04:00

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import { h, Component } from 'preact';
import PropTypes from 'prop-types';
import { getTwilioToken } from './actions';
const {connect, createLocalVideoTrack} = require('twilio-video');
export default class Video extends Component {
constructor(props) {
super(props);
this.state = {
leftPx: 200,
topPx: 200,
pageX: null,
pageY: null,
token: null,
room: null,
participants: []
}
}
componentDidMount() {
getTwilioToken('private-video-channel-'+this.props.activeChannelId, this.setupCallChannel)
}
componentWillUnmount() {
this.state.room.disconnect();
}
setupCallChannel = (response) => {
const component = this;
connect(response.token,
{
name:`private-video-channel-${this.props.activeChannelId}`,
audio: true,
type: 'peer-to-peer',
video: { width: 640 }
}).then(function(room) {
component.setState({token: response.token, room: room})
createLocalVideoTrack().then(track => {
let localMediaContainer = document.getElementById('videolocalscreen');
localMediaContainer.appendChild(track.attach());
});
let roomParticipants = []
room.participants.forEach(participant => {
component.triggerRemoteJoin(participant);
roomParticipants.push(participant);
});
component.setState({participants: roomParticipants})
room.on('participantConnected', function(participant) {
component.triggerRemoteJoin(participant);
let roomParticipants = []
room.participants.forEach(participant => {
roomParticipants.push(participant);
});
component.setState({participants: roomParticipants})
room.on('participantDisconnected', function(participant) {
component.props.onExit()
});
})
}, function(error) {
document.getElementById('videoremotescreen').innerHTML = "";
console.error('Unable to connect to Room: ' + error.message);
});
}
triggerRemoteJoin = (participant) => {
// document.getElementById('videoremotescreen').innerHTML = ""
participant.on('trackAdded', track => {
document.getElementById('videoremotescreen').appendChild(track.attach());
});
}
handleDrag = e => {
if (!this.state.pageX) {
this.setState({pageX:e.pageX,
pageY: e.pageY,
offsetDiffX: e.pageX - e.target.offsetLeft,
offsetDiffY: e.pageY - e.target.offsetTop,
})
} else if (e.pageX != 0){
this.setState({
leftPx: this.state.pageX + e.pageX - this.state.pageX - this.state.offsetDiffX,
topPx: this.state.pageY + e.pageY - this.state.pageY - this.state.offsetDiffY
})
} else if (e.pageX === 0) {
this.setState({pageX:null,
pageY: null,
offsetDiffX: null,
offsetDiffY: null,
})
}
}
render() {
return (
<div
className="chat__videocall"
id="chat__videocall"
draggable="true"
onDrag={this.handleDrag}
style={{left:this.state.leftPx+'px', top: this.state.topPx+'px'}}
>
<div id="videoremotescreen" class={'chat__remotevideoscreen-'+this.state.participants.length}></div>
<div className="chat__localvideoscren" id="videolocalscreen"></div>
<button className="chat__videocallexitbutton" onClick={this.props.onExit}>
×
</button>
</div>
)
}
}