react-native/Examples/UIExplorer/js/XHRExampleOnTimeOut.js

118 lines
2.8 KiB
JavaScript

/**
* Copyright (c) 2013-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.
*
* The examples provided by Facebook are for non-commercial testing and
* evaluation purposes only.
*
* Facebook reserves all rights not expressly granted.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* @flow
*/
'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;