From 40b428fd779975e2bf1cefce077ecffd9bcdc972 Mon Sep 17 00:00:00 2001
From: Carlos Martins <cmartins@expensify.com>
Date: Mon, 1 Nov 2021 10:59:04 -0600
Subject: [PATCH] move height tracking to google component

---
 src/components/AddressSearch.js | 123 +++++++++++++++++---------------
 1 file changed, 65 insertions(+), 58 deletions(-)

diff --git a/src/components/AddressSearch.js b/src/components/AddressSearch.js
index 6d60ec64b5c3..a8ba3ff5879c 100644
--- a/src/components/AddressSearch.js
+++ b/src/components/AddressSearch.js
@@ -1,7 +1,7 @@
 import _ from 'underscore';
 import React, {useEffect, useState, useRef} from 'react';
 import PropTypes from 'prop-types';
-import {LogBox, View} from 'react-native';
+import {LogBox} from 'react-native';
 import {GooglePlacesAutocomplete} from 'react-native-google-places-autocomplete';
 import CONFIG from '../CONFIG';
 import withLocalize, {withLocalizePropTypes} from './withLocalize';
@@ -35,7 +35,8 @@ const defaultProps = {
     containerStyles: null,
 };
 
-// Do not convert to class component! setAddressText only works in functional components!
+// Do not convert to class component! It's been tried before and presents more challenges than it's worth.
+// Relevant thread: https://expensify.slack.com/archives/C03TQ48KC/p1634088400387400
 // Reference: https://github.com/FaridSafi/react-native-google-places-autocomplete/issues/609#issuecomment-886133839
 const AddressSearch = (props) => {
     const googlePlacesRef = useRef();
@@ -82,66 +83,72 @@ const AddressSearch = (props) => {
     };
 
     return (
+        <GooglePlacesAutocomplete
+            ref={googlePlacesRef}
+            fetchDetails
+            suppressDefaultStyles
+            enablePoweredByContainer={false}
+            onPress={(data, details) => {
+                saveLocationDetails(details);
 
-        // We use the View height to determine if we should hide the border and margin of the listView dropdown
-        // to prevent a lingering border when there are no address suggestions.
-        // The height of the input + wrapped error message is 112 pixels
-        <View
+                // After we select an option, we set displayListViewBorder to false to prevent UI flickering
+                setDisplayListViewBorder(false);
+            }}
+            query={{
+                key: 'AIzaSyC4axhhXtpiS-WozJEsmlL3Kg3kXucbZus',
+                language: props.preferredLocale,
+                types: 'address',
+                components: 'country:us',
+            }}
+            requestUrl={{
+                useOnPlatform: 'web',
+                url: `${CONFIG.EXPENSIFY.URL_EXPENSIFY_COM}api?command=Proxy_GooglePlaces&proxyUrl=`,
+            }}
+            textInputProps={{
+                InputComp: ExpensiTextInput,
+                label: props.label,
+                containerStyles: props.containerStyles,
+                errorText: props.errorText,
+                onChangeText: (text) => {
+                    const isTextValid = !_.isEmpty(text) && _.isEqual(text, props.value);
+
+                    // Ensure whether an address is selected already or has address value initialized.
+                    if (!_.isEmpty(googlePlacesRef.current.getAddressText()) && !isTextValid) {
+                        saveLocationDetails({});
+                    }
+
+                    // If the text is empty, we set displayListViewBorder to false to prevent UI flickering
+                    if (_.isEmpty(text)) {
+                        setDisplayListViewBorder(false);
+                    }
+                },
+            }}
+            styles={{
+                textInputContainer: [styles.flexColumn],
+                listView: [
+                    displayListViewBorder && styles.borderTopRounded,
+                    displayListViewBorder && styles.borderBottomRounded,
+                    displayListViewBorder && styles.mt1,
+                    styles.overflowAuto,
+                    styles.borderLeft,
+                    styles.borderRight,
+                ],
+                row: [
+                    styles.pv4,
+                    styles.ph3,
+                    styles.overflowAuto,
+                ],
+                description: [styles.googleSearchText],
+                separator: [styles.googleSearchSeparator],
+            }}
             onLayout={(event) => {
+                // We use the height of the element to determine if we should hide the border of the listView dropdown
+                // to prevent a lingering border when there are no address suggestions.
+                // The height of the empty element is 2px (1px height for each top and bottom borders)
                 const {height} = event.nativeEvent.layout;
-                return height > 112 ? setDisplayListViewBorder(true) : setDisplayListViewBorder(false);
+                setDisplayListViewBorder(height > 2);
             }}
-        >
-            <GooglePlacesAutocomplete
-                ref={googlePlacesRef}
-                fetchDetails
-                suppressDefaultStyles
-                enablePoweredByContainer={false}
-                onPress={(data, details) => saveLocationDetails(details)}
-                query={{
-                    key: 'AIzaSyC4axhhXtpiS-WozJEsmlL3Kg3kXucbZus',
-                    language: props.preferredLocale,
-                    types: 'address',
-                    components: 'country:us',
-                }}
-                requestUrl={{
-                    useOnPlatform: 'web',
-                    url: `${CONFIG.EXPENSIFY.URL_EXPENSIFY_COM}api?command=Proxy_GooglePlaces&proxyUrl=`,
-                }}
-                textInputProps={{
-                    InputComp: ExpensiTextInput,
-                    label: props.label,
-                    containerStyles: props.containerStyles,
-                    errorText: props.errorText,
-                    onChangeText: (text) => {
-                        const isTextValid = !_.isEmpty(text) && _.isEqual(text, props.value);
-
-                        // Ensure whether an address is selected already or has address value initialized.
-                        if (!_.isEmpty(googlePlacesRef.current.getAddressText()) && !isTextValid) {
-                            saveLocationDetails({});
-                        }
-                    },
-                }}
-                styles={{
-                    textInputContainer: [styles.flexColumn],
-                    listView: [
-                        displayListViewBorder && styles.borderTopRounded,
-                        displayListViewBorder && styles.borderBottomRounded,
-                        displayListViewBorder && styles.mt1,
-                        styles.overflowAuto,
-                        styles.borderLeft,
-                        styles.borderRight,
-                    ],
-                    row: [
-                        styles.pv4,
-                        styles.ph3,
-                        styles.overflowAuto,
-                    ],
-                    description: [styles.googleSearchText],
-                    separator: [styles.googleSearchSeparator],
-                }}
-            />
-        </View>
+        />
     );
 };