notesnook/apps/mobile/src/components/Container/ContainerBottomButton.js

import React, {useEffect, useState} from 'react';
import {Keyboard, Text, TouchableOpacity, View} from 'react-native';
import Icon from 'react-native-vector-icons/MaterialCommunityIcons';
import {br, opacity, pv, SIZE, WEIGHT} from '../../common/common';
import {useTracked} from '../../provider';
import {DDS, getElevation} from '../../utils/utils';
import {useSafeArea} from 'react-native-safe-area-context';

export const ContainerBottomButton = ({root}) => {
  const [state, dispatch] = useTracked();
  const {colors} = state;
  const [buttonHide, setButtonHide] = useState(false);
  const insets = useSafeArea();
  let containerBottomButton = root
    ? state.containerBottomButton
    : state.indContainerBottomButton;
  useEffect(() => {
    Keyboard.addListener('keyboardDidShow', () => {
      setTimeout(() => {
        if (DDS.isTab) return;
        setButtonHide(true);
      }, 300);
    });
    Keyboard.addListener('keyboardDidHide', () => {
      setTimeout(() => {
        if (DDS.isTab) return;
        setButtonHide(false);
      }, 0);
    });
    return () => {
      Keyboard.removeListener('keyboardDidShow', () => {
        setTimeout(() => {
          if (DDS.isTab) return;
          setButtonHide(true);
        }, 300);
      });
      Keyboard.removeListener('keyboardDidHide', () => {
        setTimeout(() => {
          if (DDS.isTab) return;
          setButtonHide(false);
        }, 0);
      });
    };
  }, []);

  return !containerBottomButton.visible ? null : (
    <View
      style={{
        width: '100%',
        opacity: buttonHide ? 0 : 1,
        position: 'absolute',
        paddingHorizontal: 12,
        bottom: insets.bottom + 20,
        zIndex: 10,
        transform: [
          {
            translateY: buttonHide ? 200 : 0,
          },
        ],
      }}>
      <TouchableOpacity
        activeOpacity={opacity}
        onPress={containerBottomButton.bottomButtonOnPress}
        style={{
          ...getElevation(5),
          width: '100%',
          alignSelf: 'center',
          borderRadius: br,
          backgroundColor: containerBottomButton.color
            ? containerBottomButton.color
            : colors.accent,
          justifyContent: 'center',
          alignItems: 'center',
          marginBottom: 0,
        }}>
        <View
          style={{
            justifyContent: 'flex-start',
            alignItems: 'center',
            flexDirection: 'row',
            width: '100%',
            padding: pv,
            paddingVertical: pv + 5,
          }}>
          <Icon
            name={
              containerBottomButton.bottomButtonText === 'Clear all trash'
                ? 'delete'
                : 'plus'
            }
            color="white"
            size={SIZE.xl}
          />
          <Text
            style={{
              fontSize: SIZE.md,
              color: 'white',
              fontFamily: WEIGHT.regular,
              textAlignVertical: 'center',
            }}>
            {'  ' + containerBottomButton.bottomButtonText}
          </Text>
        </View>
      </TouchableOpacity>
    </View>
  );
};