feat: image attachment copy and download (#3488)

src/renderer/src/pages/home/Messages/MessageAttachments.tsx

@@ -1,6 +1,17 @@
+import {
+  CopyOutlined,
+  DownloadOutlined,
+  RotateLeftOutlined,
+  RotateRightOutlined,
+  SwapOutlined,
+  UndoOutlined,
+  ZoomInOutlined,
+  ZoomOutOutlined
+} from '@ant-design/icons'
 import FileManager from '@renderer/services/FileManager'
-import { FileTypes, Message } from '@renderer/types'
+import { FileType, FileTypes, Message } from '@renderer/types'
-import { Image as AntdImage, Upload } from 'antd'
+import { download } from '@renderer/utils/download'
+import { Image as AntdImage, Space, Upload } from 'antd'
 import { FC } from 'react'
 import styled from 'styled-components'
 
@@ -9,6 +20,13 @@ interface Props {
 }
 
 const MessageAttachments: FC<Props> = ({ message }) => {
+  const handleCopyImage = async (image: FileType) => {
+    const data = await FileManager.readFile(image)
+    const blob = new Blob([data], { type: 'image/png' })
+    const item = new ClipboardItem({ [blob.type]: blob })
+    await navigator.clipboard.write([item])
+  }
+
   if (!message.files) {
     return null
   }
@@ -16,7 +34,34 @@ const MessageAttachments: FC<Props> = ({ message }) => {
   if (message?.files && message.files[0]?.type === FileTypes.IMAGE) {
     return (
       <Container style={{ marginBottom: 8 }}>
-        {message.files?.map((image) => <Image src={FileManager.getFileUrl(image)} key={image.id} width="33%" />)}
+        {message.files?.map((image) => (
+          <Image
+            src={FileManager.getFileUrl(image)}
+            key={image.id}
+            width="33%"
+            preview={{
+              toolbarRender: (
+                _,
+                {
+                  transform: { scale },
+                  actions: { onFlipY, onFlipX, onRotateLeft, onRotateRight, onZoomOut, onZoomIn, onReset }
+                }
+              ) => (
+                <ToobarWrapper size={12} className="toolbar-wrapper">
+                  <SwapOutlined rotate={90} onClick={onFlipY} />
+                  <SwapOutlined onClick={onFlipX} />
+                  <RotateLeftOutlined onClick={onRotateLeft} />
+                  <RotateRightOutlined onClick={onRotateRight} />
+                  <ZoomOutOutlined disabled={scale === 1} onClick={onZoomOut} />
+                  <ZoomInOutlined disabled={scale === 50} onClick={onZoomIn} />
+                  <UndoOutlined onClick={onReset} />
+                  <CopyOutlined onClick={() => handleCopyImage(image)} />
+                  <DownloadOutlined onClick={() => download(FileManager.getFileUrl(image))} />
+                </ToobarWrapper>
+              )
+            }}
+          />
+        ))}
       </Container>
     )
   }
@@ -48,4 +93,19 @@ const Image = styled(AntdImage)`
   border-radius: 10px;
 `
 
+const ToobarWrapper = styled(Space)`
+  padding: 0px 24px;
+  color: #fff;
+  font-size: 20px;
+  background-color: rgba(0, 0, 0, 0.1);
+  border-radius: 100px;
+  .anticon {
+    padding: 12px;
+    cursor: pointer;
+  }
+  .anticon:hover {
+    opacity: 0.3;
+  }
+`
+
 export default MessageAttachments

src/renderer/src/services/FileManager.ts

@@ -28,6 +28,10 @@ class FileManager {
     return Promise.all(files.map((file) => this.addFile(file)))
   }
 
+  static async readFile(file: FileType): Promise<Buffer> {
+    return (await window.api.file.binaryFile(file.id + file.ext)).data
+  }
+
   static async uploadFile(file: FileType): Promise<FileType> {
     console.log(`[FileManager] Uploading file: ${JSON.stringify(file)}`)