From ba1c4834ab23726c065aff31ef09e3578210ff01 Mon Sep 17 00:00:00 2001
From: Samuel Newman <mozzius@protonmail.com>
Date: Fri, 19 Apr 2024 03:42:26 +0100
Subject: Add GIF select to composer (#3600)

* create dialog with flatlist in it

* use alf for composer photos/camera/gif buttons

* add gif icons

* focus textinput on gif dialog close

* add giphy API + gif grid

* web support

* add consent confirmation

* track gif select

* desktop web consent styles

* use InlineLinkText instead of Link

* add error/loading state

* hide sideborders on web

* disable composer buttons where necessary

* skip cardyb and set thumbnail directly

* switch legacy analytics to statsig

* remove autoplay prop

* disable photo/gif buttons if external media is present

* memoize listmaybeplaceholder

* fix pagination

* don't set `value` of TextInput, clear via ref

* remove console.log

* close modal if press escape

* pass alt text in the description

* Fix typo

* Rm dialog

---------

Co-authored-by: Dan Abramov <dan.abramov@gmail.com>
---
 src/components/dialogs/GifSelect.tsx | 360 +++++++++++++++++++++++++++++++++++
 1 file changed, 360 insertions(+)
 create mode 100644 src/components/dialogs/GifSelect.tsx

(limited to 'src/components/dialogs/GifSelect.tsx')

diff --git a/src/components/dialogs/GifSelect.tsx b/src/components/dialogs/GifSelect.tsx
new file mode 100644
index 000000000..92e21af47
--- /dev/null
+++ b/src/components/dialogs/GifSelect.tsx
@@ -0,0 +1,360 @@
+import React, {
+  useCallback,
+  useDeferredValue,
+  useMemo,
+  useRef,
+  useState,
+} from 'react'
+import {TextInput, View} from 'react-native'
+import {Image} from 'expo-image'
+import {msg, Trans} from '@lingui/macro'
+import {useLingui} from '@lingui/react'
+
+import {GIPHY_PRIVACY_POLICY} from '#/lib/constants'
+import {logEvent} from '#/lib/statsig/statsig'
+import {cleanError} from '#/lib/strings/errors'
+import {isWeb} from '#/platform/detection'
+import {
+  useExternalEmbedsPrefs,
+  useSetExternalEmbedPref,
+} from '#/state/preferences'
+import {Gif, useGifphySearch, useGiphyTrending} from '#/state/queries/giphy'
+import {atoms as a, useBreakpoints, useTheme} from '#/alf'
+import * as Dialog from '#/components/Dialog'
+import * as TextField from '#/components/forms/TextField'
+import {ArrowLeft_Stroke2_Corner0_Rounded as Arrow} from '#/components/icons/Arrow'
+import {MagnifyingGlass2_Stroke2_Corner0_Rounded as Search} from '#/components/icons/MagnifyingGlass2'
+import {InlineLinkText} from '#/components/Link'
+import {Button, ButtonIcon, ButtonText} from '../Button'
+import {ListFooter, ListMaybePlaceholder} from '../Lists'
+import {Text} from '../Typography'
+
+export function GifSelectDialog({
+  control,
+  onClose,
+  onSelectGif: onSelectGifProp,
+}: {
+  control: Dialog.DialogControlProps
+  onClose: () => void
+  onSelectGif: (gif: Gif) => void
+}) {
+  const externalEmbedsPrefs = useExternalEmbedsPrefs()
+  const onSelectGif = useCallback(
+    (gif: Gif) => {
+      control.close(() => onSelectGifProp(gif))
+    },
+    [control, onSelectGifProp],
+  )
+
+  let content = null
+  let snapPoints
+  switch (externalEmbedsPrefs?.giphy) {
+    case 'show':
+      content = <GifList control={control} onSelectGif={onSelectGif} />
+      snapPoints = ['100%']
+      break
+    case 'hide':
+    default:
+      content = <GiphyConsentPrompt control={control} />
+      break
+  }
+
+  return (
+    <Dialog.Outer
+      control={control}
+      nativeOptions={{sheet: {snapPoints}}}
+      onClose={onClose}>
+      <Dialog.Handle />
+      {content}
+    </Dialog.Outer>
+  )
+}
+
+function GifList({
+  control,
+  onSelectGif,
+}: {
+  control: Dialog.DialogControlProps
+  onSelectGif: (gif: Gif) => void
+}) {
+  const {_} = useLingui()
+  const t = useTheme()
+  const {gtMobile} = useBreakpoints()
+  const ref = useRef<TextInput>(null)
+  const [undeferredSearch, setSearch] = useState('')
+  const search = useDeferredValue(undeferredSearch)
+
+  const isSearching = search.length > 0
+
+  const trendingQuery = useGiphyTrending()
+  const searchQuery = useGifphySearch(search)
+
+  const {
+    data,
+    fetchNextPage,
+    isFetchingNextPage,
+    hasNextPage,
+    error,
+    isLoading,
+    isError,
+    refetch,
+  } = isSearching ? searchQuery : trendingQuery
+
+  const flattenedData = useMemo(() => {
+    const uniquenessSet = new Set<string>()
+
+    function filter(gif: Gif) {
+      if (!gif) return false
+      if (uniquenessSet.has(gif.id)) {
+        return false
+      }
+      uniquenessSet.add(gif.id)
+      return true
+    }
+    return data?.pages.flatMap(page => page.data.filter(filter)) || []
+  }, [data])
+
+  const renderItem = useCallback(
+    ({item}: {item: Gif}) => {
+      return <GifPreview gif={item} onSelectGif={onSelectGif} />
+    },
+    [onSelectGif],
+  )
+
+  const onEndReached = React.useCallback(() => {
+    if (isFetchingNextPage || !hasNextPage || error) return
+    fetchNextPage()
+  }, [isFetchingNextPage, hasNextPage, error, fetchNextPage])
+
+  const hasData = flattenedData.length > 0
+
+  const onGoBack = useCallback(() => {
+    if (isSearching) {
+      // clear the input and reset the state
+      ref.current?.clear()
+      setSearch('')
+    } else {
+      control.close()
+    }
+  }, [control, isSearching])
+
+  const listHeader = useMemo(() => {
+    return (
+      <View
+        style={[
+          a.relative,
+          a.mb_lg,
+          a.flex_row,
+          a.align_center,
+          !gtMobile && isWeb && a.gap_md,
+        ]}>
+        {/* cover top corners */}
+        <View
+          style={[
+            a.absolute,
+            {top: 0, left: 0, right: 0, height: '50%'},
+            t.atoms.bg,
+          ]}
+        />
+
+        {!gtMobile && isWeb && (
+          <Button
+            size="small"
+            variant="ghost"
+            color="secondary"
+            shape="round"
+            onPress={() => control.close()}
+            label={_(msg`Close GIF dialog`)}>
+            <ButtonIcon icon={Arrow} size="md" />
+          </Button>
+        )}
+
+        <TextField.Root>
+          <TextField.Icon icon={Search} />
+          <TextField.Input
+            label={_(msg`Search GIFs`)}
+            placeholder={_(msg`Powered by GIPHY`)}
+            onChangeText={setSearch}
+            returnKeyType="search"
+            clearButtonMode="while-editing"
+            inputRef={ref}
+            maxLength={50}
+            onKeyPress={({nativeEvent}) => {
+              if (nativeEvent.key === 'Escape') {
+                control.close()
+              }
+            }}
+          />
+        </TextField.Root>
+      </View>
+    )
+  }, [gtMobile, t.atoms.bg, _, control])
+
+  return (
+    <>
+      {gtMobile && <Dialog.Close />}
+      <Dialog.InnerFlatList
+        key={gtMobile ? '3 cols' : '2 cols'}
+        data={flattenedData}
+        renderItem={renderItem}
+        numColumns={gtMobile ? 3 : 2}
+        columnWrapperStyle={a.gap_sm}
+        ListHeaderComponent={
+          <>
+            {listHeader}
+            {!hasData && (
+              <ListMaybePlaceholder
+                isLoading={isLoading}
+                isError={isError}
+                onRetry={refetch}
+                onGoBack={onGoBack}
+                emptyType="results"
+                sideBorders={false}
+                errorTitle={_(msg`Failed to load GIFs`)}
+                errorMessage={_(msg`There was an issue connecting to GIPHY.`)}
+                emptyMessage={
+                  isSearching
+                    ? _(msg`No search results found for "${search}".`)
+                    : _(
+                        msg`No trending GIFs found. There may be an issue with GIPHY.`,
+                      )
+                }
+              />
+            )}
+          </>
+        }
+        stickyHeaderIndices={[0]}
+        onEndReached={onEndReached}
+        onEndReachedThreshold={4}
+        keyExtractor={(item: Gif) => item.id}
+        // @ts-expect-error web only
+        style={isWeb && {minHeight: '100vh'}}
+        ListFooterComponent={
+          hasData ? (
+            <ListFooter
+              isFetchingNextPage={isFetchingNextPage}
+              error={cleanError(error)}
+              onRetry={fetchNextPage}
+              style={{borderTopWidth: 0}}
+            />
+          ) : null
+        }
+      />
+    </>
+  )
+}
+
+function GifPreview({
+  gif,
+  onSelectGif,
+}: {
+  gif: Gif
+  onSelectGif: (gif: Gif) => void
+}) {
+  const {gtTablet} = useBreakpoints()
+  const {_} = useLingui()
+  const t = useTheme()
+
+  const onPress = useCallback(() => {
+    logEvent('composer:gif:select', {})
+    onSelectGif(gif)
+  }, [onSelectGif, gif])
+
+  return (
+    <Button
+      label={_(msg`Select GIF "${gif.title}"`)}
+      style={[a.flex_1, gtTablet ? {maxWidth: '33%'} : {maxWidth: '50%'}]}
+      onPress={onPress}>
+      {({pressed}) => (
+        <Image
+          style={[
+            a.flex_1,
+            a.mb_sm,
+            a.rounded_sm,
+            {aspectRatio: 1, opacity: pressed ? 0.8 : 1},
+            t.atoms.bg_contrast_25,
+          ]}
+          source={{uri: gif.images.preview_gif.url}}
+          contentFit="cover"
+          accessibilityLabel={gif.title}
+          accessibilityHint=""
+          cachePolicy="none"
+          accessibilityIgnoresInvertColors
+        />
+      )}
+    </Button>
+  )
+}
+
+function GiphyConsentPrompt({control}: {control: Dialog.DialogControlProps}) {
+  const {_} = useLingui()
+  const t = useTheme()
+  const {gtMobile} = useBreakpoints()
+  const setExternalEmbedPref = useSetExternalEmbedPref()
+
+  const onShowPress = useCallback(() => {
+    setExternalEmbedPref('giphy', 'show')
+  }, [setExternalEmbedPref])
+
+  const onHidePress = useCallback(() => {
+    setExternalEmbedPref('giphy', 'hide')
+    control.close()
+  }, [control, setExternalEmbedPref])
+
+  const gtMobileWeb = gtMobile && isWeb
+
+  return (
+    <Dialog.ScrollableInner label={_(msg`Permission to use GIPHY`)}>
+      <View style={a.gap_sm}>
+        <Text style={[a.text_2xl, a.font_bold]}>
+          <Trans>Permission to use GIPHY</Trans>
+        </Text>
+
+        <View style={[a.mt_sm, a.mb_2xl, a.gap_lg]}>
+          <Text>
+            <Trans>
+              Bluesky uses GIPHY to provide the GIF selector feature.
+            </Trans>
+          </Text>
+
+          <Text style={t.atoms.text_contrast_medium}>
+            <Trans>
+              GIPHY may collect information about you and your device. You can
+              find out more in their{' '}
+              <InlineLinkText
+                to={GIPHY_PRIVACY_POLICY}
+                onPress={() => control.close()}>
+                privacy policy
+              </InlineLinkText>
+              .
+            </Trans>
+          </Text>
+        </View>
+      </View>
+      <View style={[a.gap_md, gtMobileWeb && a.flex_row_reverse]}>
+        <Button
+          label={_(msg`Enable GIPHY`)}
+          onPress={onShowPress}
+          onAccessibilityEscape={control.close}
+          color="primary"
+          size={gtMobileWeb ? 'small' : 'medium'}
+          variant="solid">
+          <ButtonText>
+            <Trans>Enable GIPHY</Trans>
+          </ButtonText>
+        </Button>
+        <Button
+          label={_(msg`No thanks`)}
+          onAccessibilityEscape={control.close}
+          onPress={onHidePress}
+          color="secondary"
+          size={gtMobileWeb ? 'small' : 'medium'}
+          variant="ghost">
+          <ButtonText>
+            <Trans>No thanks</Trans>
+          </ButtonText>
+        </Button>
+      </View>
+    </Dialog.ScrollableInner>
+  )
+}
-- 
cgit 1.4.1