Add iOS peek long-press context menu for image embeds (#10300)

Co-authored-by: Claude <noreply@anthropic.com>

src/components/MediaPreview.tsx

@@ -1,11 +1,16 @@
 import {type StyleProp, StyleSheet, View, type ViewStyle} from 'react-native'
 import {Image} from 'expo-image'
-import {type AppBskyFeedDefs} from '@atproto/api'
-import {Trans} from '@lingui/react/macro'
+import {type AppBskyEmbedImages, type AppBskyFeedDefs} from '@atproto/api'
+import {Trans, useLingui} from '@lingui/react/macro'
 
+import {shareImageModal} from '#/lib/media/manip'
+import {useSaveImageToMediaLibrary} from '#/lib/media/save-image'
 import {isGifEmbed} from '#/lib/strings/embed-player'
-import {atoms as a, useTheme} from '#/alf'
+import {atoms as a, tokens, useTheme} from '#/alf'
+import {ArrowShareRight_Stroke2_Corner2_Rounded as ShareIcon} from '#/components/icons/ArrowShareRight'
+import {Download_Stroke2_Corner0_Rounded as DownloadIcon} from '#/components/icons/Download'
 import {MediaInsetBorder} from '#/components/MediaInsetBorder'
+import * as PeekMenu from '#/components/PeekMenu'
 import {Text} from '#/components/Typography'
 import {PlayButtonIcon} from '#/components/video/PlayButtonIcon'
 import * as bsky from '#/types/bsky'
@@ -16,9 +21,11 @@ import * as bsky from '#/types/bsky'
 export function Embed({
   embed,
   style,
+  peekable = false,
 }: {
   embed: AppBskyFeedDefs.PostView['embed']
   style?: StyleProp<ViewStyle>
+  peekable?: boolean
 }) {
   const e = bsky.post.parseEmbed(embed)
 
@@ -27,13 +34,17 @@ export function Embed({
   if (e.type === 'images') {
     return (
       <Outer style={style}>
-        {e.view.images.map(image => (
-          <ImageItem
-            key={image.thumb}
-            thumbnail={image.thumb}
-            alt={image.alt}
-          />
-        ))}
+        {e.view.images.map(image =>
+          peekable ? (
+            <PeekableImageItem key={image.thumb} image={image} />
+          ) : (
+            <ImageItem
+              key={image.thumb}
+              thumbnail={image.thumb}
+              alt={image.alt}
+            />
+          ),
+        )}
       </Outer>
     )
   } else if (e.type === 'link') {
@@ -156,6 +167,45 @@ export function VideoItem({
   )
 }
 
+function PeekableImageItem({image}: {image: AppBskyEmbedImages.ViewImage}) {
+  const {t: l} = useLingui()
+  const saveImage = useSaveImageToMediaLibrary()
+
+  const aspect =
+    image.aspectRatio && image.aspectRatio.height > 0
+      ? image.aspectRatio.width / image.aspectRatio.height
+      : undefined
+
+  return (
+    <PeekMenu.Root style={[a.flex_1, {maxWidth: 100}]}>
+      <PeekMenu.Trigger
+        preview={{
+          type: 'image',
+          uri: image.fullsize,
+          thumbUri: image.thumb,
+          aspectRatio: aspect && aspect > 0 ? aspect : 1,
+        }}
+        borderRadius={tokens.borderRadius.xs}>
+        <ImageItem thumbnail={image.thumb} alt={image.alt} />
+      </PeekMenu.Trigger>
+      <PeekMenu.Menu>
+        <PeekMenu.MenuItem
+          id="save"
+          onSelect={() => void saveImage(image.fullsize)}>
+          <PeekMenu.MenuItemIcon icon={DownloadIcon} />
+          <PeekMenu.MenuItemText>{l`Save image`}</PeekMenu.MenuItemText>
+        </PeekMenu.MenuItem>
+        <PeekMenu.MenuItem
+          id="share"
+          onSelect={() => void shareImageModal({uri: image.fullsize})}>
+          <PeekMenu.MenuItemIcon icon={ShareIcon} />
+          <PeekMenu.MenuItemText>{l`Share`}</PeekMenu.MenuItemText>
+        </PeekMenu.MenuItem>
+      </PeekMenu.Menu>
+    </PeekMenu.Root>
+  )
+}
+
 const styles = StyleSheet.create({
   altContainer: {
     backgroundColor: 'rgba(0, 0, 0, 0.75)',