From d40951441f7ffaa3d452dea24bb5db52d65dd64e Mon Sep 17 00:00:00 2001
From: Leon Jiang <35908040+leonyjiang@users.noreply.github.com>
Date: Sun, 7 Mar 2021 23:43:39 -0500
Subject: Hide cancel button when not searching

---
 src/components/search/SearchBar.tsx | 97 +++++++++++++++++--------------------
 1 file changed, 45 insertions(+), 52 deletions(-)

(limited to 'src')

diff --git a/src/components/search/SearchBar.tsx b/src/components/search/SearchBar.tsx
index be0eecc7..5e3a1e64 100644
--- a/src/components/search/SearchBar.tsx
+++ b/src/components/search/SearchBar.tsx
@@ -1,4 +1,4 @@
-import React from 'react';
+import React, {useState} from 'react';
 import {
   StyleSheet,
   TextInput,
@@ -10,10 +10,10 @@ import {
   NativeSyntheticEvent,
   TextInputSubmitEditingEventData,
 } from 'react-native';
-import Animated from 'react-native-reanimated';
+import Animated, {interpolate} from 'react-native-reanimated';
 import Icon from 'react-native-vector-icons/Feather';
 import {normalize} from 'react-native-elements';
-import {SCREEN_WIDTH} from '../../utils';
+import {SCREEN_HEIGHT} from '../../utils';
 
 const AnimatedIcon = Animated.createAnimatedComponent(Icon);
 
@@ -27,7 +27,7 @@ const SearchBar: React.FC<SearchBarProps> = ({
   onChangeText,
   value,
   onCancel,
-  style,
+  top,
 }) => {
   const handleSubmit = (
     e: NativeSyntheticEvent<TextInputSubmitEditingEventData>,
@@ -36,47 +36,52 @@ const SearchBar: React.FC<SearchBarProps> = ({
     Keyboard.dismiss();
   };
 
+  /*
+   * CSS properties for width change animation.
+   */
+  const marginRight: Animated.Node<number> = interpolate(top, {
+    inputRange: [-SCREEN_HEIGHT, 0],
+    outputRange: [0, 58],
+  });
+  const opacity: Animated.Node<number> = interpolate(top, {
+    inputRange: [-SCREEN_HEIGHT, 0],
+    outputRange: [0, 1],
+  });
+
   return (
-    <>
-      <View style={[styles.container, style]}>
-        <Animated.View style={[styles.inputContainer]}>
-          <AnimatedIcon
-            name="search"
-            color={'#7E7E7E'}
-            size={25}
-            style={styles.searchIcon}
-          />
-          <TextInput
-            style={[styles.input]}
-            placeholder={'Search'}
-            placeholderTextColor={'#828282'}
-            onSubmitEditing={handleSubmit}
-            clearButtonMode="while-editing"
-            autoCapitalize="none"
-            autoCorrect={false}
-            {...{value, onChangeText, onFocus, onBlur}}
-          />
-        </Animated.View>
-        <View style={styles.cancelButtonView}>
-          <TouchableOpacity style={styles.cancelButton} onPress={onCancel}>
-            <Text style={styles.cancelText}>Cancel</Text>
-          </TouchableOpacity>
-        </View>
-      </View>
-      <Text style={styles.helperText}>
-        Try searching for "trending on tagg"
-      </Text>
-    </>
+    <View style={styles.container}>
+      <Animated.View style={styles.inputContainer}>
+        <AnimatedIcon
+          name="search"
+          color={'#7E7E7E'}
+          size={25}
+          style={styles.searchIcon}
+        />
+        <TextInput
+          style={[styles.input]}
+          placeholder={'Search'}
+          placeholderTextColor={'#828282'}
+          onSubmitEditing={handleSubmit}
+          clearButtonMode="while-editing"
+          autoCapitalize="none"
+          autoCorrect={false}
+          {...{value, onChangeText, onFocus, onBlur}}
+        />
+      </Animated.View>
+      <Animated.View style={{marginRight, opacity}}>
+        <TouchableOpacity style={styles.cancelButton} onPress={onCancel}>
+          <Text style={styles.cancelText}>Cancel</Text>
+        </TouchableOpacity>
+      </Animated.View>
+    </View>
   );
 };
 
 const styles = StyleSheet.create({
   container: {
     height: 40,
+    paddingHorizontal: 20,
     flexDirection: 'row',
-    justifyContent: 'center',
-    alignItems: 'stretch',
-    zIndex: 2,
   },
   inputContainer: {
     flexGrow: 1,
@@ -95,27 +100,15 @@ const styles = StyleSheet.create({
     color: '#000',
     letterSpacing: normalize(0.5),
   },
-  cancelButtonView: {width: 70, flexDirection: 'row', justifyContent: 'center'},
   cancelButton: {
-    position: 'absolute',
     height: '100%',
+    position: 'absolute',
     justifyContent: 'center',
-    paddingHorizontal: 5,
+    paddingHorizontal: 8,
   },
   cancelText: {
     color: '#818181',
-    fontWeight: '600',
-  },
-  helperText: {
-    fontWeight: '400',
-    fontSize: 14,
-    lineHeight: normalize(16.71),
-    color: '#828282',
-    marginBottom: '2%',
-    marginHorizontal: '2.5%',
-    marginTop: '1%',
-    textAlign: 'center',
-    width: SCREEN_WIDTH * 0.74,
+    fontWeight: '500',
   },
 });
 
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