vn-verdnaturachat/app/views/ThreadMessagesView/Dropdown/index.tsx

99 lines
3.0 KiB
TypeScript

import React from 'react';
import { Animated, Easing, TouchableWithoutFeedback } from 'react-native';
import { EdgeInsets, withSafeAreaInsets } from 'react-native-safe-area-context';
import styles from '../styles';
import { themes } from '../../../constants/colors';
import { withTheme } from '../../../theme';
import { headerHeight } from '../../../containers/Header';
import * as List from '../../../containers/List';
import { Filter } from '../filters';
import DropdownItemFilter from './DropdownItemFilter';
import DropdownItemHeader from './DropdownItemHeader';
const ANIMATION_DURATION = 200;
interface IDropdownProps {
isMasterDetail: boolean;
theme: string;
insets: EdgeInsets;
currentFilter: Filter;
onClose: () => void;
onFilterSelected: (value: string) => void;
}
class Dropdown extends React.Component<IDropdownProps> {
private animatedValue: Animated.Value;
constructor(props: IDropdownProps) {
super(props);
this.animatedValue = new Animated.Value(0);
}
componentDidMount() {
Animated.timing(this.animatedValue, {
toValue: 1,
duration: ANIMATION_DURATION,
easing: Easing.inOut(Easing.quad),
useNativeDriver: true
}).start();
}
close = () => {
const { onClose } = this.props;
Animated.timing(this.animatedValue, {
toValue: 0,
duration: ANIMATION_DURATION,
easing: Easing.inOut(Easing.quad),
useNativeDriver: true
}).start(() => onClose());
};
render() {
const { isMasterDetail, insets, theme, currentFilter, onFilterSelected } = this.props;
const statusBarHeight = insets?.top ?? 0;
const heightDestination = isMasterDetail ? headerHeight + statusBarHeight : 0;
const translateY = this.animatedValue.interpolate({
inputRange: [0, 1],
outputRange: [-300, heightDestination] // approximated height of the component when closed/open
});
const backdropOpacity = this.animatedValue.interpolate({
inputRange: [0, 1],
outputRange: [0, themes[theme].backdropOpacity]
});
return (
<>
<TouchableWithoutFeedback onPress={this.close}>
<Animated.View
style={[
styles.backdrop,
{
backgroundColor: themes[theme].backdropColor,
opacity: backdropOpacity,
top: heightDestination
}
]}
/>
</TouchableWithoutFeedback>
<Animated.View
style={[
styles.dropdownContainer,
{
transform: [{ translateY }],
backgroundColor: themes[theme].backgroundColor,
borderColor: themes[theme].separatorColor
}
]}>
<DropdownItemHeader currentFilter={currentFilter} onPress={this.close} />
<List.Separator />
<DropdownItemFilter currentFilter={currentFilter} value={Filter.All} onPress={onFilterSelected} />
<DropdownItemFilter currentFilter={currentFilter} value={Filter.Following} onPress={onFilterSelected} />
<DropdownItemFilter currentFilter={currentFilter} value={Filter.Unread} onPress={onFilterSelected} />
</Animated.View>
</>
);
}
}
export default withTheme(withSafeAreaInsets(Dropdown));