From 60088038ab17d1245c6600f74bed6feeca60e6b8 Mon Sep 17 00:00:00 2001
From: Chowdhury Foysal Ahamed <foysal@blueskyweb.xyz>
Date: Fri, 18 Aug 2023 00:54:55 +0200
Subject: [PATCH] :sparkles: Show Offline indicator status across platforms

---
 app.json                               |  5 +-
 package.json                           |  1 +
 src/view/com/util/OfflineIndicator.tsx | 65 ++++++++++++++++++++++++++
 src/view/index.ts                      |  2 +
 src/view/shell/index.tsx               |  2 +
 src/view/shell/index.web.tsx           |  2 +
 yarn.lock                              |  5 ++
 7 files changed, 81 insertions(+), 1 deletion(-)
 create mode 100644 src/view/com/util/OfflineIndicator.tsx

diff --git a/app.json b/app.json
index de3ff2467f..670ccd0422 100644
--- a/app.json
+++ b/app.json
@@ -36,7 +36,10 @@
         "NSPhotoLibraryAddUsageDescription": "Used to save images to your library.",
         "NSPhotoLibraryUsageDescription": "Used for profile pictures, posts, and other kinds of content"
       },
-      "associatedDomains": ["applinks:bsky.app", "applinks:staging.bsky.app"]
+      "associatedDomains": ["applinks:bsky.app", "applinks:staging.bsky.app"],
+      "entitlements": {
+        "com.apple.developer.networking.wifi-info": true
+      }
     },
     "androidStatusBar": {
       "barStyle": "dark-content",
diff --git a/package.json b/package.json
index 02492acebf..68fb482a88 100644
--- a/package.json
+++ b/package.json
@@ -42,6 +42,7 @@
     "@react-native-clipboard/clipboard": "^1.10.0",
     "@react-native-community/blur": "^4.3.0",
     "@react-native-community/datetimepicker": "6.7.3",
+    "@react-native-community/netinfo": "^9.4.1",
     "@react-native-menu/menu": "^0.8.0",
     "@react-navigation/bottom-tabs": "^6.5.7",
     "@react-navigation/drawer": "^6.6.2",
diff --git a/src/view/com/util/OfflineIndicator.tsx b/src/view/com/util/OfflineIndicator.tsx
new file mode 100644
index 0000000000..5fbdb77654
--- /dev/null
+++ b/src/view/com/util/OfflineIndicator.tsx
@@ -0,0 +1,65 @@
+import React, {useEffect, useState} from 'react'
+import {StyleSheet, View, ViewStyle} from 'react-native'
+import NetInfo from '@react-native-community/netinfo'
+import {
+  FontAwesomeIcon,
+  FontAwesomeIconStyle,
+} from '@fortawesome/react-native-fontawesome'
+
+import {usePalette} from 'lib/hooks/usePalette'
+import {Text} from 'view/com/util/text/Text'
+import {s} from 'lib/styles'
+import {isNative} from 'platform/detection'
+import {CenteredView} from './Views.web'
+
+const Indicator = () => {
+  const pal = usePalette('error')
+
+  const containerStyles: ViewStyle[] = [
+    styles.container,
+    s.flexRow,
+    s.alignCenter,
+  ]
+
+  if (!isNative) {
+    containerStyles.push(pal.view)
+  }
+
+  return (
+    <View style={containerStyles}>
+      <FontAwesomeIcon icon="wifi" style={s.white as FontAwesomeIconStyle} />
+      <Text style={[pal.text, s.f13, s.ml5]}>You're offline</Text>
+    </View>
+  )
+}
+
+export const OfflineIndicator = () => {
+  const [isConnected, setIsConnected] = useState(true)
+  useEffect(() => {
+    const unsubscribe = NetInfo.addEventListener(state => {
+      setIsConnected(!!state.isConnected)
+    })
+
+    return () => unsubscribe()
+  }, [])
+
+  if (isConnected) return null
+
+  if (isNative) {
+    return <Indicator />
+  }
+
+  return (
+    <CenteredView>
+      <Indicator />
+    </CenteredView>
+  )
+}
+
+const styles = StyleSheet.create({
+  container: {
+    width: isNative ? s.window.width : undefined,
+    justifyContent: 'center',
+    height: 20,
+  },
+})
diff --git a/src/view/index.ts b/src/view/index.ts
index 4294508de6..11342c24f7 100644
--- a/src/view/index.ts
+++ b/src/view/index.ts
@@ -90,6 +90,7 @@ import {faPlay} from '@fortawesome/free-solid-svg-icons/faPlay'
 import {faPause} from '@fortawesome/free-solid-svg-icons/faPause'
 import {faThumbtack} from '@fortawesome/free-solid-svg-icons/faThumbtack'
 import {faList} from '@fortawesome/free-solid-svg-icons/faList'
+import {faWifi} from '@fortawesome/free-solid-svg-icons/faWifi'
 
 export function setup() {
   library.add(
@@ -183,5 +184,6 @@ export function setup() {
     faPlay,
     faPause,
     faList,
+    faWifi,
   )
 }
diff --git a/src/view/shell/index.tsx b/src/view/shell/index.tsx
index 7ab371d593..5d4911f314 100644
--- a/src/view/shell/index.tsx
+++ b/src/view/shell/index.tsx
@@ -18,6 +18,7 @@ import {RoutesContainer, TabsNavigator} from '../../Navigation'
 import {isStateAtTabRoot} from 'lib/routes/helpers'
 import {SafeAreaProvider} from 'react-native-safe-area-context'
 import {useOTAUpdate} from 'lib/hooks/useOTAUpdate'
+import {OfflineIndicator} from 'view/com/util/OfflineIndicator'
 
 const ShellInner = observer(() => {
   const store = useStores()
@@ -46,6 +47,7 @@ const ShellInner = observer(() => {
     <>
       <View style={containerPadding}>
         <ErrorBoundary>
+          <OfflineIndicator />
           <Drawer
             renderDrawerContent={renderDrawerContent}
             open={store.shell.isDrawerOpen}
diff --git a/src/view/shell/index.web.tsx b/src/view/shell/index.web.tsx
index 5e38752683..35bfd1a1a7 100644
--- a/src/view/shell/index.web.tsx
+++ b/src/view/shell/index.web.tsx
@@ -16,6 +16,7 @@ import {useWebMediaQueries} from '../../lib/hooks/useWebMediaQueries'
 import {BottomBarWeb} from './bottom-bar/BottomBarWeb'
 import {useNavigation} from '@react-navigation/native'
 import {NavigationProp} from 'lib/routes/types'
+import {OfflineIndicator} from 'view/com/util/OfflineIndicator'
 
 const ShellInner = observer(() => {
   const store = useStores()
@@ -32,6 +33,7 @@ const ShellInner = observer(() => {
   return (
     <>
       <View style={s.hContentRegion}>
+        <OfflineIndicator />
         <ErrorBoundary>
           <FlatNavigator />
         </ErrorBoundary>
diff --git a/yarn.lock b/yarn.lock
index 8295df2244..de13e6f14e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4505,6 +4505,11 @@
   resolved "https://registry.yarnpkg.com/@react-native-community/eslint-plugin/-/eslint-plugin-1.3.0.tgz#9e558170c106bbafaa1ef502bd8e6d4651012bf9"
   integrity sha512-+zDZ20NUnSWghj7Ku5aFphMzuM9JulqCW+aPXT6IfIXFbb8tzYTTOSeRFOtuekJ99ibW2fUCSsjuKNlwDIbHFg==
 
+"@react-native-community/netinfo@^9.4.1":
+  version "9.4.1"
+  resolved "https://registry.yarnpkg.com/@react-native-community/netinfo/-/netinfo-9.4.1.tgz#7b880758adca65fe47ee866cf7b00416b9dcc192"
+  integrity sha512-dAbY5mfw+6Kas/GJ6QX9AZyY+K+eq9ad4Su6utoph/nxyH3whp5cMSgRNgE2VhGQVRZ/OG0qq3IaD3+wzoqJXw==
+
 "@react-native-menu/menu@^0.8.0":
   version "0.8.0"
   resolved "https://registry.yarnpkg.com/@react-native-menu/menu/-/menu-0.8.0.tgz#dbf227c2081e5ffd3d2073ee68ecc84cf8639727"