Rocket.Chat.ReactNative/app/views/DirectoryView/Options.tsx

import React, { PureComponent } from 'react';
import { Animated, Easing, Switch, Text, TouchableWithoutFeedback, View } from 'react-native';

import Touch from '../../utils/touch';
import { CustomIcon } from '../../lib/Icons';
import Check from '../../containers/Check';
import I18n from '../../i18n';
import { SWITCH_TRACK_COLOR, themes } from '../../constants/colors';
import styles from './styles';

const ANIMATION_DURATION = 200;
const ANIMATION_PROPS = {
	duration: ANIMATION_DURATION,
	easing: Easing.inOut(Easing.quad),
	useNativeDriver: true
};

interface IDirectoryOptionsProps {
	type: string;
	globalUsers: boolean;
	isFederationEnabled: boolean;
	close: Function;
	changeType: Function;
	toggleWorkspace(): void;
	theme: string;
}

export default class DirectoryOptions extends PureComponent<IDirectoryOptionsProps, any> {
	private animatedValue: Animated.Value;

	constructor(props: IDirectoryOptionsProps) {
		super(props);
		this.animatedValue = new Animated.Value(0);
	}

	componentDidMount() {
		Animated.timing(this.animatedValue, {
			toValue: 1,
			...ANIMATION_PROPS
		}).start();
	}

	close = () => {
		const { close } = this.props;
		Animated.timing(this.animatedValue, {
			toValue: 0,
			...ANIMATION_PROPS
		}).start(() => close());
	};

	renderItem = (itemType: string) => {
		const { changeType, type: propType, theme } = this.props;
		let text = 'Users';
		let icon = 'user';
		if (itemType === 'channels') {
			text = 'Channels';
			icon = 'channel-public';
		}

		if (itemType === 'teams') {
			text = 'Teams';
			icon = 'teams';
		}

		return (
			<Touch
				onPress={() => changeType(itemType)}
				style={styles.dropdownItemButton}
				theme={theme}
				accessibilityLabel={I18n.t(text)}>
				<View style={styles.dropdownItemContainer}>
					<CustomIcon style={[styles.dropdownItemIcon, { color: themes[theme].bodyText }]} size={22} name={icon} />
					<Text style={[styles.dropdownItemText, { color: themes[theme].bodyText }]}>{I18n.t(text)}</Text>
					{propType === itemType ? <Check theme={theme} /> : null}
				</View>
			</Touch>
		);
	};

	render() {
		const translateY = this.animatedValue.interpolate({
			inputRange: [0, 1],
			outputRange: [-326, 0]
		});
		const { globalUsers, toggleWorkspace, isFederationEnabled, theme } = this.props;
		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 }]} />
				</TouchableWithoutFeedback>
				<Animated.View
					style={[styles.dropdownContainer, { transform: [{ translateY }], backgroundColor: themes[theme].backgroundColor }]}>
					<Touch onPress={this.close} theme={theme} accessibilityLabel={I18n.t('Search_by')}>
						<View
							style={[
								styles.dropdownContainerHeader,
								styles.dropdownItemContainer,
								{ borderColor: themes[theme].separatorColor }
							]}>
							<Text style={[styles.dropdownToggleText, { color: themes[theme].auxiliaryText }]}>{I18n.t('Search_by')}</Text>
							<CustomIcon
								style={[styles.dropdownItemIcon, styles.inverted, { color: themes[theme].auxiliaryTintColor }]}
								size={22}
								name='chevron-down'
							/>
						</View>
					</Touch>
					{this.renderItem('channels')}
					{this.renderItem('users')}
					{this.renderItem('teams')}
					{isFederationEnabled ? (
						<>
							<View style={[styles.dropdownSeparator, { backgroundColor: themes[theme].separatorColor }]} />
							<View style={[styles.dropdownItemContainer, styles.globalUsersContainer]}>
								<View style={styles.globalUsersTextContainer}>
									<Text style={[styles.dropdownItemText, { color: themes[theme].infoText }]}>
										{I18n.t('Search_global_users')}
									</Text>
									<Text style={[styles.dropdownItemDescription, { color: themes[theme].infoText }]}>
										{I18n.t('Search_global_users_description')}
									</Text>
								</View>
								<Switch value={globalUsers} onValueChange={toggleWorkspace} trackColor={SWITCH_TRACK_COLOR} />
							</View>
						</>
					) : null}
				</Animated.View>
			</>
		);
	}
}