Rocket.Chat.ReactNative/app/views/ThreadMessagesView/Dropdown/index.tsx

92 lines
2.6 KiB
TypeScript

import React, { useEffect, useRef } from 'react';
import { Animated, Easing, TouchableWithoutFeedback } from 'react-native';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import styles from '../styles';
import { headerHeight } from '../../../lib/methods/helpers/navigation';
import * as List from '../../../containers/List';
import { Filter } from '../filters';
import DropdownItemFilter from './DropdownItemFilter';
import DropdownItemHeader from './DropdownItemHeader';
import { useTheme } from '../../../theme';
const ANIMATION_DURATION = 200;
interface IDropdownProps {
isMasterDetail?: boolean;
currentFilter: Filter;
onClose: () => void;
onFilterSelected: (value: Filter) => void;
}
const Dropdown = ({ isMasterDetail, currentFilter, onClose, onFilterSelected }: IDropdownProps) => {
const animatedValue = useRef(new Animated.Value(0)).current;
const { colors } = useTheme();
const insets = useSafeAreaInsets();
useEffect(() => {
Animated.timing(animatedValue, {
toValue: 1,
duration: ANIMATION_DURATION,
easing: Easing.inOut(Easing.quad),
useNativeDriver: true
}).start();
}, [animatedValue]);
const close = () => {
Animated.timing(animatedValue, {
toValue: 0,
duration: ANIMATION_DURATION,
easing: Easing.inOut(Easing.quad),
useNativeDriver: true
}).start(() => onClose());
};
const heightDestination = isMasterDetail ? headerHeight + insets.top : 0;
const translateY = animatedValue.interpolate({
inputRange: [0, 1],
outputRange: [-300, heightDestination] // approximated height of the component when closed/open
});
const backdropOpacity = animatedValue.interpolate({
inputRange: [0, 1],
outputRange: [0, colors.backdropOpacity]
});
return (
<>
<TouchableWithoutFeedback onPress={close}>
<Animated.View
style={[
styles.backdrop,
{
backgroundColor: colors.backdropColor,
opacity: backdropOpacity,
top: heightDestination
}
]}
/>
</TouchableWithoutFeedback>
<Animated.View
style={[
styles.dropdownContainer,
{
transform: [{ translateY }],
backgroundColor: colors.backgroundColor,
borderColor: colors.separatorColor
}
]}
>
<DropdownItemHeader currentFilter={currentFilter} onPress={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 Dropdown;