feat: add token explore promo banner (#4481)

* initial design

* progress

* add background image

* add logic

* update

* delete unneed state

* more

* redux

* redux

* more redux

* rebase main

* rm unused state

* rm unused export

* relative link

src/components/Tokens/TokensBanner.tsx

+import { X } from 'react-feather'
+import { Link } from 'react-router-dom'
+import { useShowTokensPromoBanner } from 'state/user/hooks'
+import styled, { useTheme } from 'styled-components/macro'
+import { opacify } from 'theme/utils'
+
+import tokensPromoDark from '../../assets/images/tokensPromoDark.png'
+import tokensPromoLight from '../../assets/images/tokensPromoLight.png'
+
+const PopupContainer = styled.div<{ show: boolean }>`
+  position: absolute;
+  display: ${({ show }) => (show ? 'flex' : 'none')};
+  flex-direction: column;
+  padding: 12px 16px 12px 20px;
+  gap: 8px;
+  bottom: 48px;
+  right: 16px;
+  width: 320px;
+  height: 88px;
+  z-index: 5;
+  background-color: ${({ theme }) => (theme.darkMode ? theme.backgroundScrim : opacify(60, '#FDF0F8'))};
+  color: ${({ theme }) => theme.textPrimary};
+  border: 1px solid ${({ theme }) => theme.backgroundOutline};
+  border-radius: 12px;
+  box-shadow: ${({ theme }) => theme.deepShadow};
+
+  background-image: url(${({ theme }) => (theme.darkMode ? `${tokensPromoDark}` : `${tokensPromoLight}`)});
+  background-size: cover;
+  background-blend-mode: overlay;
+
+  transition: ${({
+    theme: {
+      transition: { duration, timing },
+    },
+  }) => `${duration.slow}ms opacity ${timing.in}`};
+`
+const Header = styled.div`
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+`
+const HeaderText = styled(Link)`
+  font-weight: 600;
+  font-size: 14px;
+  line-height: 20px;
+  text-decoration: none;
+`
+const Description = styled.span`
+  font-weight: 400;
+  font-size: 12px;
+  line-height: 16px;
+  width: 75%;
+`
+
+export default function TokensBanner() {
+  const theme = useTheme()
+  const [showTokensPromoBanner, setShowTokensPromoBanner] = useShowTokensPromoBanner()
+
+  const closeBanner = () => {
+    setShowTokensPromoBanner(false)
+  }
+
+  return (
+    <PopupContainer show={showTokensPromoBanner}>
+      <Header>
+        <HeaderText to={'/#/tokens'} onClick={closeBanner}>
+          Explore Top Tokens
+        </HeaderText>
+        <X size={20} color={theme.textSecondary} onClick={closeBanner} style={{ cursor: 'pointer' }} />
+      </Header>
+
+      <Description onClick={closeBanner}>Check out the new explore tab to discover and learn more</Description>
+    </PopupContainer>
+  )
+}

src/pages/Pool/index.tsx

@@ -10,8 +10,10 @@ import { FlyoutAlignment, NewMenu } from 'components/Menu'
 import PositionList from 'components/PositionList'
 import { RowBetween, RowFixed } from 'components/Row'
 import { SwitchLocaleLink } from 'components/SwitchLocaleLink'
+import TokensBanner from 'components/Tokens/TokensBanner'
 import { isSupportedChain } from 'constants/chains'
 import { NavBarVariant, useNavBarFlag } from 'featureFlags/flags/navBar'
+import { TokensVariant, useTokensFlag } from 'featureFlags/flags/tokens'
 import { useV3Positions } from 'hooks/useV3Positions'
 import { AlertTriangle, BookOpen, ChevronDown, ChevronsRight, Inbox, Layers, PlusCircle } from 'react-feather'
 import { Link } from 'react-router-dom'
@@ -164,8 +166,10 @@ function WrongNetworkCard() {
   const navBarFlag = useNavBarFlag()
   const navBarFlagEnabled = navBarFlag === NavBarVariant.Enabled
   const theme = useTheme()
+  const tokensFlag = useTokensFlag()
   return (
     <>
+      {tokensFlag === TokensVariant.Enabled && <TokensBanner />}
       <PageWrapper navBarFlag={navBarFlagEnabled}>
         <AutoColumn gap="lg" justify="center">
           <AutoColumn gap="lg" style={{ width: '100%' }}>

src/pages/Swap/index.tsx

@@ -17,11 +17,13 @@ import { NetworkAlert } from 'components/NetworkAlert/NetworkAlert'
 import PriceImpactWarning from 'components/swap/PriceImpactWarning'
 import SwapDetailsDropdown from 'components/swap/SwapDetailsDropdown'
 import UnsupportedCurrencyFooter from 'components/swap/UnsupportedCurrencyFooter'
+import TokensBanner from 'components/Tokens/TokensBanner'
 import TokenSafetyModal from 'components/TokenSafety/TokenSafetyModal'
 import { MouseoverTooltip } from 'components/Tooltip'
 import { isSupportedChain } from 'constants/chains'
 import { NavBarVariant, useNavBarFlag } from 'featureFlags/flags/navBar'
 import { RedesignVariant, useRedesignFlag } from 'featureFlags/flags/redesign'
+import { TokensVariant, useTokensFlag } from 'featureFlags/flags/tokens'
 import { useSwapCallback } from 'hooks/useSwapCallback'
 import useTransactionDeadline from 'hooks/useTransactionDeadline'
 import JSBI from 'jsbi'
@@ -154,6 +156,7 @@ export default function Swap() {
   const navBarFlagEnabled = navBarFlag === NavBarVariant.Enabled
   const redesignFlag = useRedesignFlag()
   const redesignFlagEnabled = redesignFlag === RedesignVariant.Enabled
+  const tokensFlag = useTokensFlag()
   const { account, chainId } = useWeb3React()
   const loadedUrlParams = useDefaultsFromURLSearch()
   const [newSwapQuoteNeedsLogging, setNewSwapQuoteNeedsLogging] = useState(true)
@@ -505,6 +508,7 @@ export default function Swap() {
   return (
     <Trace page={PageName.SWAP_PAGE} shouldLogImpression>
       <>
+        {tokensFlag === TokensVariant.Enabled && <TokensBanner />}
         {redesignFlagEnabled ? (
           <TokenSafetyModal
             isOpen={importTokensNotInDefault.length > 0 && !dismissTokenWarning}

src/state/user/hooks.tsx

@@ -19,6 +19,7 @@ import {
   removeSerializedToken,
   updateHideClosedPositions,
   updateShowSurveyPopup,
+  updateShowTokensPromoBanner,
   updateUserClientSideRouter,
   updateUserDarkMode,
   updateUserDeadline,
@@ -116,6 +117,18 @@ export function useShowSurveyPopup(): [boolean | undefined, (showPopup: boolean)
   return [showSurveyPopup, toggleShowSurveyPopup]
 }
 
+export function useShowTokensPromoBanner(): [boolean, (showTokensBanner: boolean) => void] {
+  const dispatch = useAppDispatch()
+  const showTokensPromoBanner = useAppSelector((state) => state.user.showTokensPromoBanner)
+  const toggleShowTokensPromoBanner = useCallback(
+    (showTokensBanner: boolean) => {
+      dispatch(updateShowTokensPromoBanner({ showTokensPromoBanner: showTokensBanner }))
+    },
+    [dispatch]
+  )
+  return [showTokensPromoBanner, toggleShowTokensPromoBanner]
+}
+
 export function useClientSideRouter(): [boolean, (userClientSideRouter: boolean) => void] {
   const dispatch = useAppDispatch()
 

src/state/user/reducer.ts

@@ -53,6 +53,8 @@ export interface UserState {
   showSurveyPopup: boolean | undefined
 
   showDonationLink: boolean
+
+  showTokensPromoBanner: boolean // show tokens promo banner for token explore
 }
 
 function pairKey(token0Address: string, token1Address: string) {
@@ -76,6 +78,7 @@ export const initialState: UserState = {
   URLWarningVisible: true,
   showSurveyPopup: undefined,
   showDonationLink: true,
+  showTokensPromoBanner: true,
 }
 
 const userSlice = createSlice({
@@ -121,6 +124,9 @@ const userSlice = createSlice({
     updateShowDonationLink(state, action) {
       state.showDonationLink = action.payload.showDonationLink
     },
+    updateShowTokensPromoBanner(state, action) {
+      state.showTokensPromoBanner = action.payload.showTokensPromoBanner
+    },
     addSerializedToken(state, { payload: { serializedToken } }) {
       if (!state.tokens) {
         state.tokens = {}
@@ -210,5 +216,6 @@ export const {
   updateUserExpertMode,
   updateUserLocale,
   updateUserSlippageTolerance,
+  updateShowTokensPromoBanner,
 } = userSlice.actions
 export default userSlice.reducer