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import PureRenderMixin from 'react-addons-pure-render-mixin';
const Avatar = React.createClass({
propTypes: {
src: React.PropTypes.string.isRequired,
size: React.PropTypes.number.isRequired,
style: React.PropTypes.object
},
getInitialState () {
return {
hovering: false
};
},
mixins: [PureRenderMixin],
handleMouseEnter () {
this.setState({ hovering: true });
},
handleMouseLeave () {
this.setState({ hovering: false });
},
handleLoad () {
this.canvas.getContext('2d').drawImage(this.image, 0, 0, this.props.size * window.devicePixelRatio, this.props.size * window.devicePixelRatio);
},
setImageRef (c) {
this.image = c;
},
setCanvasRef (c) {
this.canvas = c;
},
render () {
const { hovering } = this.state;
return (
<div onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave} style={{ ...this.props.style, width: `${this.props.size}px`, height: `${this.props.size}px`, position: 'relative' }}>
<img ref={this.setImageRef} onLoad={this.handleLoad} src={this.props.src} width={this.props.size} height={this.props.size} alt='' style={{ position: 'absolute', top: '0', left: '0', visibility: hovering ? 'visible' : 'hidden', borderRadius: '4px' }} />
<canvas ref={this.setCanvasRef} width={this.props.size * window.devicePixelRatio} height={this.props.size * window.devicePixelRatio} style={{ borderRadius: '4px', width: this.props.size, height: this.props.size }} />
</div>
);
}
});
export default Avatar;
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