Basic images working

package-lock.json

@@ -6590,6 +6590,19 @@
         "htmlparser2-without-node-native": "^3.9.2"
       }
     },
+    "react-native-image-pan-zoom": {
+      "version": "2.1.12",
+      "resolved": "https://registry.npmjs.org/react-native-image-pan-zoom/-/react-native-image-pan-zoom-2.1.12.tgz",
+      "integrity": "sha512-BF66XeP6dzuANsPmmFsJshM2Jyh/Mo1t8FsGc1L9Q9/sVP8MJULDabB1hms+eAoqgtyhMr5BuXV3E1hJ5U5H6Q=="
+    },
+    "react-native-image-zoom-viewer": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/react-native-image-zoom-viewer/-/react-native-image-zoom-viewer-3.0.1.tgz",
+      "integrity": "sha512-la6s5DNSuq4GCRLsi5CZ29FPjgTpdCuGIRdO5T9rUrAtxrlpBPhhSnHrbmPVxsdtOUvxHacTh2Gfa9+RraMZQA==",
+      "requires": {
+        "react-native-image-pan-zoom": "^2.1.12"
+      }
+    },
     "react-native-iphone-x-helper": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/react-native-iphone-x-helper/-/react-native-iphone-x-helper-1.3.0.tgz",

package.json

@@ -25,6 +25,7 @@
     "react-native": "https://github.com/expo/react-native/archive/sdk-39.0.3.tar.gz",
     "react-native-gesture-handler": "~1.7.0",
     "react-native-htmlview": "^0.16.0",
+    "react-native-image-zoom-viewer": "^3.0.1",
     "react-native-reanimated": "~1.13.0",
     "react-native-safe-area-context": "3.1.4",
     "react-native-screens": "~2.10.1",

src/components/TootTimeline.jsx

@@ -1,5 +1,5 @@
+import React, { useState } from 'react'
 import PropTypes from 'prop-types'
-import React from 'react'
 import { StyleSheet, View } from 'react-native'
 
 import Reblog from './TootTimeline/Reblog'
@@ -11,31 +11,25 @@ import Actions from './TootTimeline/Actions'
 // Maybe break away notification types? https://docs.joinmastodon.org/entities/notification/
 
 export default function TootTimeline ({ item, notification }) {
+  const [viewWidth, setViewWidth] = useState()
+
   let contentAggregated = {}
+  let actualContent
   if (notification && item.status) {
-    contentAggregated = {
+    actualContent = item.status
-      content: item.status.content,
-      emojis: item.status.emojis,
-      media_attachments: item.status.media_attachments,
-      mentions: item.status.mentions,
-      tags: item.status.tags
-    }
   } else if (item.reblog) {
-    contentAggregated = {
+    actualContent = item.reblog
-      content: item.reblog.content,
-      emojis: item.reblog.emojis,
-      media_attachments: item.reblog.media_attachments,
-      mentions: item.reblog.mentions,
-      tags: item.reblog.tags
-    }
   } else {
-    contentAggregated = {
+    actualContent = item
-      content: item.content,
-      emojis: item.emojis,
-      media_attachments: item.media_attachments,
-      mentions: item.mentions,
-      tags: item.tags
   }
+  contentAggregated = {
+    content: actualContent.content,
+    emojis: actualContent.emojis,
+    media_attachments: actualContent.media_attachments,
+    mentions: actualContent.mentions,
+    sensitive: actualContent.sensitive,
+    spoiler_text: actualContent.spoiler_text,
+    tags: actualContent.tags
   }
 
   return (
@@ -48,7 +42,10 @@ export default function TootTimeline ({ item, notification }) {
       )}
       <View style={styles.toot}>
         <Avatar uri={item.reblog?.account.avatar || item.account.avatar} />
-        <View style={styles.details}>
+        <View
+          style={styles.details}
+          onLayout={e => setViewWidth(e.nativeEvent.layout.width)}
+        >
           <Header
             name={
               (item.reblog?.account.display_name
@@ -63,7 +60,7 @@ export default function TootTimeline ({ item, notification }) {
             created_at={item.created_at}
             application={item.application || null}
           />
-          <Content {...contentAggregated} />
+          <Content {...contentAggregated} width={viewWidth} />
         </View>
       </View>
       <Actions />
@@ -82,7 +79,8 @@ const styles = StyleSheet.create({
     flexDirection: 'row'
   },
   details: {
-    flex: 1
+    flex: 1,
+    flexGrow: 1
   }
 })
 

src/components/TootTimeline/Content.jsx

@@ -1,8 +1,17 @@
-import React from 'react'
+import React, { useEffect, useState } from 'react'
 import PropTypes from 'prop-types'
-import { StyleSheet, Text } from 'react-native'
+import {
-import { useNavigation } from '@react-navigation/native'
+  Button,
+  Image,
+  Modal,
+  StyleSheet,
+  Text,
+  TouchableHighlight,
+  View
+} from 'react-native'
 import HTMLView from 'react-native-htmlview'
+import ImageViewer from 'react-native-image-zoom-viewer'
+import { useNavigation } from '@react-navigation/native'
 
 import Emojis from './Emojis'
 
@@ -67,17 +76,121 @@ function renderNode (navigation, node, index, mentions) {
   }
 }
 
+function Media ({ media_attachments, sensitive, width }) {
+  const [mediaSensitive, setMediaSensitive] = useState(sensitive)
+  const [imageModalVisible, setImageModalVisible] = useState(false)
+  const [imageModalIndex, setImageModalIndex] = useState(0)
+  useEffect(() => {
+    if (sensitive && mediaSensitive === false) {
+      setTimeout(() => {
+        setMediaSensitive(true)
+      }, 10000)
+    }
+  }, [mediaSensitive])
+
+  let images = []
+  if (width) {
+    const calWidth = i => {
+      if (media_attachments.length === 1) {
+        return { flexGrow: 1, aspectRatio: 16 / 9 }
+      } else if (media_attachments.length === 3 && i === 2) {
+        return { flexGrow: 1, aspectRatio: 16 / 9 }
+      } else {
+        return { flexBasis: width / 2 - 4, aspectRatio: 16 / 9 }
+      }
+    }
+
+    media_attachments = media_attachments.map((m, i) => {
+      switch (m.type) {
+        case 'unknown':
+          return <Text key={i}>文件不支持</Text>
+        case 'image':
+          images.push({
+            url: m.url,
+            width: m.meta.original.width,
+            height: m.meta.original.height
+          })
+          return (
+            <TouchableHighlight
+              key={i}
+              style={calWidth(i)}
+              onPress={() => {
+                setImageModalIndex(i)
+                setImageModalVisible(true)
+              }}
+            >
+              <Image
+                source={{ uri: m.preview_url }}
+                style={styles.image}
+                blurRadius={mediaSensitive ? 50 : 0}
+              />
+            </TouchableHighlight>
+          )
+      }
+    })
+    if (images) {
+      return (
+        <>
+          <View style={styles.media}>
+            {media_attachments}
+            {mediaSensitive && (
+              <View
+                style={{
+                  position: 'absolute',
+                  width: '100%',
+                  height: '100%'
+                }}
+              >
+                <Button
+                  title='Press me'
+                  onPress={() => {
+                    setMediaSensitive(false)
+                  }}
+                />
+              </View>
+            )}
+          </View>
+          <Modal
+            visible={imageModalVisible}
+            transparent={true}
+            animationType='fade'
+          >
+            <ImageViewer
+              imageUrls={images}
+              index={imageModalIndex}
+              onSwipeDown={() => setImageModalVisible(false)}
+              enableSwipeDown={true}
+              swipeDownThreshold={100}
+              useNativeDriver={true}
+            />
+          </Modal>
+        </>
+      )
+    } else {
+      return <View style={styles.media}>{media_attachments}</View>
+    }
+  } else {
+    return <></>
+  }
+}
+
 export default function Content ({
   content,
   emojis,
   media_attachments,
   mentions,
-  tags
+  sensitive,
+  spoiler_text,
+  tags,
+  width
 }) {
   const navigation = useNavigation()
 
-  return content ? (
+  let fullContent = []
+  if (content) {
+    fullContent.push(
       <HTMLView
+        key='content'
         value={content}
         renderNode={(node, index) =>
           renderNode(navigation, node, index, mentions)
@@ -86,12 +199,31 @@ export default function Content ({
           <Emojis content={children} emojis={emojis} dimension={14} />
         )}
       />
-  ) : (
+    )
-    <></>
+  }
+  if (media_attachments) {
+    fullContent.push(
+      <Media
+        key='media'
+        media_attachments={media_attachments}
+        sensitive={sensitive}
+        width={width}
+      />
     )
   }
 
+  return fullContent
+}
+
 const styles = StyleSheet.create({
+  media: {
+    flexDirection: 'row',
+    justifyContent: 'space-between'
+  },
+  image: {
+    width: '100%',
+    height: '100%'
+  },
   a: {
     color: 'blue'
   }

src/stacks/common/Timeline.jsx

@@ -29,7 +29,9 @@ export default function Timeline ({ page, hashtag, list }) {
         <FlatList
           data={state.toots}
           keyExtractor={({ id }) => id}
-          renderItem={TootTimeline}
+          renderItem={({ item, index, separators }) => (
+            <TootTimeline key={item.key} item={item} />
+          )}
           onRefresh={() =>
             dispatch(fetch({ page, query: { since_id: state.toots[0].id } }))
           }