Files
Iris/src/js/components/Parallax.js

76 lines
1.4 KiB
JavaScript
Executable File

import React, { PropTypes } from 'react'
export default class Parallax extends React.Component{
constructor(props){
super(props);
this.state = {
loaded: false,
url: null
}
}
componentWillMount(){
if (this.props.image){
this.loadImage(this.props.image);
}
}
componentWillReceiveProps(nextProps){
if (nextProps.image != this.state.url){
this.loadImage(nextProps.image);
}
}
loadImage(url){
// Reset our image to nothing
// This is needed when navigating to new view, but not unmounting the current components
// ie one artist to another
this.setState({
loaded: false,
url: null
});
var self = this;
var imageObject = new Image();
imageObject.src = url;
imageObject.onload = function(){
self.setState({
loaded: true,
url: url
});
}
}
render(){
var class_name = "parallax preserve-3d";
if (this.props.blur){
class_name += " parallax--blur";
}
if (this.state.loaded){
class_name += " parallax--loaded";
}
var style = {};
if (this.state.loaded && this.state.url){
style = {backgroundImage: 'url('+this.state.url+')'};
}
return (
<div className={class_name}>
<div className="parallax__inner preserve-3d">
<div className="parallax__image" style={style}></div>
<div className="parallax__overlay"></div>
</div>
</div>
);
}
}