react-native/RNTester/js/XHRExampleOnTimeOut.js

107 lines
2.2 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @flow
* @providesModule XHRExampleOnTimeOut
*/
'use strict';
var React = require('react');
var ReactNative = require('react-native');
var {
StyleSheet,
Text,
TouchableHighlight,
View,
} = ReactNative;
class XHRExampleOnTimeOut extends React.Component {
state: any;
xhr: XMLHttpRequest;
constructor(props: any) {
super(props);
this.state = {
status: '',
loading: false
};
}
loadTimeOutRequest() {
this.xhr && this.xhr.abort();
var xhr = this.xhr || new XMLHttpRequest();
xhr.onerror = ()=> {
console.log('Status ', xhr.status);
console.log('Error ', xhr.responseText);
};
xhr.ontimeout = () => {
this.setState({
status: xhr.responseText,
loading: false
});
};
xhr.onload = () => {
console.log('Status ', xhr.status);
console.log('Response ', xhr.responseText);
};
xhr.open('GET', 'https://httpbin.org/delay/5'); // request to take 5 seconds to load
xhr.timeout = 2000; // request times out in 2 seconds
xhr.send();
this.xhr = xhr;
this.setState({loading: true});
}
componentWillUnmount() {
this.xhr && this.xhr.abort();
}
render() {
var button = this.state.loading ? (
<View style={styles.wrapper}>
<View style={styles.button}>
<Text>Loading...</Text>
</View>
</View>
) : (
<TouchableHighlight
style={styles.wrapper}
onPress={this.loadTimeOutRequest.bind(this)}>
<View style={styles.button}>
<Text>Make Time Out Request</Text>
</View>
</TouchableHighlight>
);
return (
<View>
{button}
<Text>{this.state.status}</Text>
</View>
);
}
}
var styles = StyleSheet.create({
wrapper: {
borderRadius: 5,
marginBottom: 5,
},
button: {
backgroundColor: '#eeeeee',
padding: 8,
},
});
module.exports = XHRExampleOnTimeOut;