66 lines
1.2 KiB
JavaScript
66 lines
1.2 KiB
JavaScript
|
import React from 'react';
|
||
|
import PropTypes from 'prop-types';
|
||
|
import { Animated } from 'react-native';
|
||
|
|
||
|
export default class MessageBox extends React.PureComponent {
|
||
|
static propTypes = {
|
||
|
subview: PropTypes.object.isRequired,
|
||
|
visible: PropTypes.bool.isRequired,
|
||
|
messageboxHeight: PropTypes.number.isRequired
|
||
|
}
|
||
|
|
||
|
constructor(props) {
|
||
|
super(props);
|
||
|
this.animatedBottom = new Animated.Value(0);
|
||
|
}
|
||
|
|
||
|
componentWillReceiveProps(nextProps) {
|
||
|
if (this.props.visible === nextProps.visible) {
|
||
|
return;
|
||
|
}
|
||
|
if (nextProps.visible) {
|
||
|
return this.show();
|
||
|
}
|
||
|
this.hide();
|
||
|
}
|
||
|
|
||
|
show() {
|
||
|
this.animatedBottom.setValue(0);
|
||
|
Animated.timing(this.animatedBottom, {
|
||
|
toValue: 1,
|
||
|
duration: 300,
|
||
|
useNativeDriver: true
|
||
|
}).start();
|
||
|
}
|
||
|
|
||
|
hide() {
|
||
|
Animated.timing(this.animatedBottom, {
|
||
|
toValue: 0,
|
||
|
duration: 300,
|
||
|
useNativeDriver: true
|
||
|
}).start();
|
||
|
}
|
||
|
|
||
|
render() {
|
||
|
const bottom = this.animatedBottom.interpolate({
|
||
|
inputRange: [0, 1],
|
||
|
outputRange: [0, -this.props.messageboxHeight - 200]
|
||
|
});
|
||
|
|
||
|
return (
|
||
|
<Animated.View
|
||
|
style={{
|
||
|
position: 'absolute',
|
||
|
left: 0,
|
||
|
right: 0,
|
||
|
bottom: -200,
|
||
|
zIndex: 1,
|
||
|
transform: [{ translateY: bottom }]
|
||
|
}}
|
||
|
>
|
||
|
{this.props.subview}
|
||
|
</Animated.View>
|
||
|
);
|
||
|
}
|
||
|
}
|