multiparty-meeting/app/lib/components/Peers.jsx

138 lines
2.4 KiB
JavaScript

import React from 'react';
import { connect } from 'react-redux';
import PropTypes from 'prop-types';
import classnames from 'classnames';
import * as appPropTypes from './appPropTypes';
import { Appear } from './transitions';
import Peer from './Peer';
class Peers extends React.Component
{
constructor()
{
super();
this.state = {
peerWidth : 400,
peerHeight : 300,
ratio : 1.334
};
}
resizeUpdate()
{
this.updateDimensions();
}
updateDimensions(props = this.props)
{
const n = props.peers ? props.peers.length : 0;
if (n == 0)
{
return;
}
const width = this.refs.peers.clientWidth;
const height = this.refs.peers.clientHeight;
let x, y, space;
for (let rows = 1; rows < 100; rows = rows + 1)
{
x = width / Math.ceil(n / rows);
y = x / this.state.ratio;
if (height < (y * rows))
{
y = height / rows;
x = this.state.ratio * y;
break;
}
space = height - (y * (rows));
if (space < y)
{
break;
}
}
if (Math.ceil(this.state.peerWidth) !== Math.ceil(0.9 * x))
{
this.setState({
peerWidth : 0.9 * x,
peerHeight : 0.9 * y
});
}
}
componentDidMount()
{
window.addEventListener('resize', this.resizeUpdate.bind(this));
}
componentWillUnmount()
{
window.removeEventListener('resize', this.resizeUpdate.bind(this));
}
componentWillReceiveProps(nextProps)
{
if (nextProps.peers)
this.updateDimensions(nextProps);
}
render()
{
const {
activeSpeakerName,
peers
} = this.props;
const style =
{
'width' : this.state.peerWidth,
'height' : this.state.peerHeight
};
return (
<div data-component='Peers' ref='peers'>
{
peers.map((peer) =>
{
return (
<Appear key={peer.name} duration={1000}>
<div
className={classnames('peer-container', {
'active-speaker' : peer.name === activeSpeakerName
})} style={style}
>
<Peer name={peer.name} />
</div>
</Appear>
);
})
}
</div>
);
}
}
Peers.propTypes =
{
peers : PropTypes.arrayOf(appPropTypes.Peer).isRequired,
activeSpeakerName : PropTypes.string
};
const mapStateToProps = (state) =>
{
const peersArray = Object.values(state.peers);
return {
peers : peersArray,
activeSpeakerName : state.room.activeSpeakerName
};
};
const PeersContainer = connect(
mapStateToProps
)(Peers);
export default PeersContainer;