Account quick switch modal (#1567)

* quick switch menu

* Some small tweaks and fixes to the account switch modal

* Factor out the account switcher logic to a hook

* Add haptic feedback on account switcher open

* Fix bad merge

---------

Co-authored-by: Samuel Newman <mozzius@protonmail.com>

src/lib/hooks/useAccountSwitcher.ts

@@ -0,0 +1,41 @@
+import {useCallback, useState} from 'react'
+import {useStores} from 'state/index'
+import {useAnalytics} from 'lib/analytics/analytics'
+import {StackActions, useNavigation} from '@react-navigation/native'
+import {NavigationProp} from 'lib/routes/types'
+import {AccountData} from 'state/models/session'
+import {reset as resetNavigation} from '../../Navigation'
+import * as Toast from 'view/com/util/Toast'
+
+export function useAccountSwitcher(): [
+  boolean,
+  (v: boolean) => void,
+  (acct: AccountData) => Promise<void>,
+] {
+  const {track} = useAnalytics()
+
+  const store = useStores()
+  const [isSwitching, setIsSwitching] = useState(false)
+  const navigation = useNavigation<NavigationProp>()
+
+  const onPressSwitchAccount = useCallback(
+    async (acct: AccountData) => {
+      track('Settings:SwitchAccountButtonClicked')
+      setIsSwitching(true)
+      const success = await store.session.resumeSession(acct)
+      store.shell.closeAllActiveElements()
+      if (success) {
+        resetNavigation()
+        Toast.show(`Signed in as ${acct.displayName || acct.handle}`)
+      } else {
+        Toast.show('Sorry! We need you to enter your password.')
+        navigation.navigate('HomeTab')
+        navigation.dispatch(StackActions.popToTop())
+        store.session.clear()
+      }
+    },
+    [track, setIsSwitching, navigation, store],
+  )
+
+  return [isSwitching, setIsSwitching, onPressSwitchAccount]
+}