75c87a8d
 张志伟
init
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/**
* Author: Shi(bolan0000@icloud.com)
* Date: 2019/1/18
* Copyright (c) 2018, AoTang, Inc.
*
* Description:
*/
import React from 'react';
import {Animated, Text} from 'react-native';
export class LoadingFooter extends React.Component<FooterPropType, FooterStateType> {
static height = 80;
static style = 'stickyContent';
constructor(props: FooterPropType) {
super(props);
this.state = {status: props.allLoaded ? 'allLoaded' : 'waiting'};
}
static getDerivedStateFromProps(nextProps: FooterPropType) {
if (nextProps.allLoaded) return {status: 'allLoaded'};
return {};
}
changeToState(newStatus: FooterStatus) {
!this.props.allLoaded &&
this.state.status !== newStatus &&
this.onStateChange(this.state.status, newStatus);
}
onStateChange(oldStatus: FooterStatus, newStatus: FooterStatus) {
this.setState({status: newStatus});
}
render() {
return (
<Text
style={{
flex: 1,
alignSelf: 'center',
lineHeight: this.props.maxHeight,
textAlign: 'center',
}}>
{this.state.status}
</Text>
);
}
}
export type FooterStatus =
| 'waiting'
| 'dragging'
| 'draggingEnough'
| 'draggingCancel'
| 'loading'
| 'rebound'
| 'allLoaded';
interface FooterPropType {
offset?: Animated.Value;
maxHeight?: number;
allLoaded?: boolean;
bottomOffset?: number;
}
interface FooterStateType {
status?: FooterStatus;
}
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