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- // @flow
-
- import * as React from 'react';
- import {StyleSheet} from 'react-native';
- import {FAB} from 'react-native-paper';
- import * as Animatable from 'react-native-animatable';
- import AutoHideHandler from '../../utils/AutoHideHandler';
- import CustomTabBar from '../Tabbar/CustomTabBar';
-
- type PropsType = {
- icon: string,
- onPress: () => void,
- };
-
- const AnimatedFab = Animatable.createAnimatableComponent(FAB);
-
- const styles = StyleSheet.create({
- fab: {
- position: 'absolute',
- margin: 16,
- right: 0,
- },
- });
-
- export default class AnimatedFAB extends React.Component<PropsType> {
- ref: {current: null | Animatable.View};
-
- hideHandler: AutoHideHandler;
-
- constructor() {
- super();
- this.ref = React.createRef();
- this.hideHandler = new AutoHideHandler(false);
- this.hideHandler.addListener(this.onHideChange);
- }
-
- onScroll = (event: SyntheticEvent<EventTarget>) => {
- this.hideHandler.onScroll(event);
- };
-
- onHideChange = (shouldHide: boolean) => {
- if (this.ref.current != null) {
- if (shouldHide) this.ref.current.bounceOutDown(1000);
- else this.ref.current.bounceInUp(1000);
- }
- };
-
- render(): React.Node {
- const {props} = this;
- return (
- <AnimatedFab
- ref={this.ref}
- useNativeDriver
- icon={props.icon}
- onPress={props.onPress}
- style={{
- ...styles.fab,
- bottom: CustomTabBar.TAB_BAR_HEIGHT,
- }}
- />
- );
- }
- }
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