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- /*
- * Copyright (c) 2019 - 2020 Arnaud Vergnet.
- *
- * This file is part of Campus INSAT.
- *
- * Campus INSAT is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Campus INSAT is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Campus INSAT. If not, see <https://www.gnu.org/licenses/>.
- */
-
- import * as React from 'react';
- import {
- NativeScrollEvent,
- NativeSyntheticEvent,
- StyleSheet,
- View,
- } 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 styles = StyleSheet.create({
- fab: {
- position: 'absolute',
- margin: 16,
- right: 0,
- },
- });
-
- export default class AnimatedFAB extends React.Component<PropsType> {
- ref: {current: null | (Animatable.View & View)};
-
- hideHandler: AutoHideHandler;
-
- constructor(props: PropsType) {
- super(props);
- this.ref = React.createRef();
- this.hideHandler = new AutoHideHandler(false);
- this.hideHandler.addListener(this.onHideChange);
- }
-
- onScroll = (event: NativeSyntheticEvent<NativeScrollEvent>) => {
- this.hideHandler.onScroll(event);
- };
-
- onHideChange = (shouldHide: boolean) => {
- const ref = this.ref;
- if (
- ref &&
- ref.current &&
- ref.current.bounceOutDown &&
- ref.current.bounceInUp
- ) {
- if (shouldHide) {
- ref.current.bounceOutDown(1000);
- } else {
- ref.current.bounceInUp(1000);
- }
- }
- };
-
- render() {
- const {props} = this;
- return (
- <Animatable.View
- ref={this.ref}
- useNativeDriver={true}
- style={{
- ...styles.fab,
- bottom: CustomTabBar.TAB_BAR_HEIGHT,
- }}>
- <FAB icon={props.icon} onPress={props.onPress} />
- </Animatable.View>
- );
- }
- }
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