feat: custom app icon (#7196)

Co-authored-by: crazywoola <427733928@qq.com>

web/app/components/base/app-icon-picker/Uploader.tsx

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+'use client'
+
+import type { ChangeEvent, FC } from 'react'
+import { createRef, useEffect, useState } from 'react'
+import type { Area } from 'react-easy-crop'
+import Cropper from 'react-easy-crop'
+import classNames from 'classnames'
+
+import { ImagePlus } from '../icons/src/vender/line/images'
+import { useDraggableUploader } from './hooks'
+import { ALLOW_FILE_EXTENSIONS } from '@/types/app'
+
+type UploaderProps = {
+  className?: string
+  onImageCropped?: (tempUrl: string, croppedAreaPixels: Area, fileName: string) => void
+}
+
+const Uploader: FC<UploaderProps> = ({
+  className,
+  onImageCropped,
+}) => {
+  const [inputImage, setInputImage] = useState<{ file: File; url: string }>()
+  useEffect(() => {
+    return () => {
+      if (inputImage)
+        URL.revokeObjectURL(inputImage.url)
+    }
+  }, [inputImage])
+
+  const [crop, setCrop] = useState({ x: 0, y: 0 })
+  const [zoom, setZoom] = useState(1)
+
+  const onCropComplete = async (_: Area, croppedAreaPixels: Area) => {
+    if (!inputImage)
+      return
+    onImageCropped?.(inputImage.url, croppedAreaPixels, inputImage.file.name)
+  }
+
+  const handleLocalFileInput = (e: ChangeEvent<HTMLInputElement>) => {
+    const file = e.target.files?.[0]
+    if (file)
+      setInputImage({ file, url: URL.createObjectURL(file) })
+  }
+
+  const {
+    isDragActive,
+    handleDragEnter,
+    handleDragOver,
+    handleDragLeave,
+    handleDrop,
+  } = useDraggableUploader((file: File) => setInputImage({ file, url: URL.createObjectURL(file) }))
+
+  const inputRef = createRef<HTMLInputElement>()
+
+  return (
+    <div className={classNames(className, 'w-full px-3 py-1.5')}>
+      <div
+        className={classNames(
+          isDragActive && 'border-primary-600',
+          'relative aspect-square bg-gray-50 border-[1.5px] border-gray-200 border-dashed rounded-lg flex flex-col justify-center items-center text-gray-500')}
+        onDragEnter={handleDragEnter}
+        onDragOver={handleDragOver}
+        onDragLeave={handleDragLeave}
+        onDrop={handleDrop}
+      >
+        {
+          !inputImage
+            ? <>
+              <ImagePlus className="w-[30px] h-[30px] mb-3 pointer-events-none" />
+              <div className="text-sm font-medium mb-[2px]">
+                <span className="pointer-events-none">Drop your image here, or&nbsp;</span>
+                <button className="text-components-button-primary-bg" onClick={() => inputRef.current?.click()}>browse</button>
+                <input
+                  ref={inputRef} type="file" className="hidden"
+                  onClick={e => ((e.target as HTMLInputElement).value = '')}
+                  accept={ALLOW_FILE_EXTENSIONS.map(ext => `.${ext}`).join(',')}
+                  onChange={handleLocalFileInput}
+                />
+              </div>
+              <div className="text-xs pointer-events-none">Supports PNG, JPG, JPEG, WEBP and GIF</div>
+            </>
+            : <Cropper
+              image={inputImage.url}
+              crop={crop}
+              zoom={zoom}
+              aspect={1}
+              onCropChange={setCrop}
+              onCropComplete={onCropComplete}
+              onZoomChange={setZoom}
+            />
+        }
+      </div>
+    </div>
+  )
+}
+
+export default Uploader

web/app/components/base/app-icon-picker/hooks.tsx

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+import { useCallback, useState } from 'react'
+
+export const useDraggableUploader = <T extends HTMLElement>(setImageFn: (file: File) => void) => {
+  const [isDragActive, setIsDragActive] = useState(false)
+
+  const handleDragEnter = useCallback((e: React.DragEvent<T>) => {
+    e.preventDefault()
+    e.stopPropagation()
+    setIsDragActive(true)
+  }, [])
+
+  const handleDragOver = useCallback((e: React.DragEvent<T>) => {
+    e.preventDefault()
+    e.stopPropagation()
+  }, [])
+
+  const handleDragLeave = useCallback((e: React.DragEvent<T>) => {
+    e.preventDefault()
+    e.stopPropagation()
+    setIsDragActive(false)
+  }, [])
+
+  const handleDrop = useCallback((e: React.DragEvent<T>) => {
+    e.preventDefault()
+    e.stopPropagation()
+    setIsDragActive(false)
+
+    const file = e.dataTransfer.files[0]
+
+    if (!file)
+      return
+
+    setImageFn(file)
+  }, [setImageFn])
+
+  return {
+    handleDragEnter,
+    handleDragOver,
+    handleDragLeave,
+    handleDrop,
+    isDragActive,
+  }
+}

web/app/components/base/app-icon-picker/index.tsx

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+import type { FC } from 'react'
+import { useCallback, useState } from 'react'
+import { useTranslation } from 'react-i18next'
+import type { Area } from 'react-easy-crop'
+import Modal from '../modal'
+import Divider from '../divider'
+import Button from '../button'
+import { ImagePlus } from '../icons/src/vender/line/images'
+import { useLocalFileUploader } from '../image-uploader/hooks'
+import EmojiPickerInner from '../emoji-picker/Inner'
+import Uploader from './Uploader'
+import s from './style.module.css'
+import getCroppedImg from './utils'
+import type { AppIconType, ImageFile } from '@/types/app'
+import cn from '@/utils/classnames'
+import { DISABLE_UPLOAD_IMAGE_AS_ICON } from '@/config'
+export type AppIconEmojiSelection = {
+  type: 'emoji'
+  icon: string
+  background: string
+}
+
+export type AppIconImageSelection = {
+  type: 'image'
+  fileId: string
+  url: string
+}
+
+export type AppIconSelection = AppIconEmojiSelection | AppIconImageSelection
+
+type AppIconPickerProps = {
+  onSelect?: (payload: AppIconSelection) => void
+  onClose?: () => void
+  className?: string
+}
+
+const AppIconPicker: FC<AppIconPickerProps> = ({
+  onSelect,
+  onClose,
+  className,
+}) => {
+  const { t } = useTranslation()
+
+  const tabs = [
+    { key: 'emoji', label: t('app.iconPicker.emoji'), icon: <span className="text-lg">🤖</span> },
+    { key: 'image', label: t('app.iconPicker.image'), icon: <ImagePlus /> },
+  ]
+  const [activeTab, setActiveTab] = useState<AppIconType>('emoji')
+
+  const [emoji, setEmoji] = useState<{ emoji: string; background: string }>()
+  const handleSelectEmoji = useCallback((emoji: string, background: string) => {
+    setEmoji({ emoji, background })
+  }, [setEmoji])
+
+  const [uploading, setUploading] = useState<boolean>()
+
+  const { handleLocalFileUpload } = useLocalFileUploader({
+    limit: 3,
+    disabled: false,
+    onUpload: (imageFile: ImageFile) => {
+      if (imageFile.fileId) {
+        setUploading(false)
+        onSelect?.({
+          type: 'image',
+          fileId: imageFile.fileId,
+          url: imageFile.url,
+        })
+      }
+    },
+  })
+
+  const [imageCropInfo, setImageCropInfo] = useState<{ tempUrl: string; croppedAreaPixels: Area; fileName: string }>()
+  const handleImageCropped = async (tempUrl: string, croppedAreaPixels: Area, fileName: string) => {
+    setImageCropInfo({ tempUrl, croppedAreaPixels, fileName })
+  }
+
+  const handleSelect = async () => {
+    if (activeTab === 'emoji') {
+      if (emoji) {
+        onSelect?.({
+          type: 'emoji',
+          icon: emoji.emoji,
+          background: emoji.background,
+        })
+      }
+    }
+    else {
+      if (!imageCropInfo)
+        return
+      setUploading(true)
+      const blob = await getCroppedImg(imageCropInfo.tempUrl, imageCropInfo.croppedAreaPixels)
+      const file = new File([blob], imageCropInfo.fileName, { type: blob.type })
+      handleLocalFileUpload(file)
+    }
+  }
+
+  return <Modal
+    onClose={() => { }}
+    isShow
+    closable={false}
+    wrapperClassName={className}
+    className={cn(s.container, '!w-[362px] !p-0')}
+  >
+    {!DISABLE_UPLOAD_IMAGE_AS_ICON && <div className="p-2 pb-0 w-full">
+      <div className='p-1 flex items-center justify-center gap-2 bg-background-body rounded-xl'>
+        {tabs.map(tab => (
+          <button
+            key={tab.key}
+            className={`
+                        p-2 flex-1 flex justify-center items-center h-8 rounded-xl text-sm shrink-0 font-medium
+                        ${activeTab === tab.key && 'bg-components-main-nav-nav-button-bg-active shadow-md'}
+                      `}
+            onClick={() => setActiveTab(tab.key as AppIconType)}
+          >
+            {tab.icon} &nbsp; {tab.label}
+          </button>
+        ))}
+      </div>
+    </div>}
+
+    <Divider className='m-0' />
+
+    <EmojiPickerInner className={activeTab === 'emoji' ? 'block' : 'hidden'} onSelect={handleSelectEmoji} />
+    <Uploader className={activeTab === 'image' ? 'block' : 'hidden'} onImageCropped={handleImageCropped} />
+
+    <Divider className='m-0' />
+    <div className='w-full flex items-center justify-center p-3 gap-2'>
+      <Button className='w-full' onClick={() => onClose?.()}>
+        {t('app.iconPicker.cancel')}
+      </Button>
+
+      <Button variant="primary" className='w-full' disabled={uploading} loading={uploading} onClick={handleSelect}>
+        {t('app.iconPicker.ok')}
+      </Button>
+    </div>
+  </Modal>
+}
+
+export default AppIconPicker

web/app/components/base/app-icon-picker/style.module.css

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+.container {
+    display: flex;
+    flex-direction: column;
+    align-items: flex-start;
+    width: 362px;
+    max-height: 552px;
+
+    border: 0.5px solid #EAECF0;
+    box-shadow: 0px 12px 16px -4px rgba(16, 24, 40, 0.08), 0px 4px 6px -2px rgba(16, 24, 40, 0.03);
+    border-radius: 12px;
+    background: #fff;
+}

web/app/components/base/app-icon-picker/utils.ts

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+export const createImage = (url: string) =>
+  new Promise<HTMLImageElement>((resolve, reject) => {
+    const image = new Image()
+    image.addEventListener('load', () => resolve(image))
+    image.addEventListener('error', error => reject(error))
+    image.setAttribute('crossOrigin', 'anonymous') // needed to avoid cross-origin issues on CodeSandbox
+    image.src = url
+  })
+
+export function getRadianAngle(degreeValue: number) {
+  return (degreeValue * Math.PI) / 180
+}
+
+/**
+ * Returns the new bounding area of a rotated rectangle.
+ */
+export function rotateSize(width: number, height: number, rotation: number) {
+  const rotRad = getRadianAngle(rotation)
+
+  return {
+    width:
+            Math.abs(Math.cos(rotRad) * width) + Math.abs(Math.sin(rotRad) * height),
+    height:
+            Math.abs(Math.sin(rotRad) * width) + Math.abs(Math.cos(rotRad) * height),
+  }
+}
+
+/**
+ * This function was adapted from the one in the ReadMe of https://github.com/DominicTobias/react-image-crop
+ */
+export default async function getCroppedImg(
+  imageSrc: string,
+  pixelCrop: { x: number; y: number; width: number; height: number },
+  rotation = 0,
+  flip = { horizontal: false, vertical: false },
+): Promise<Blob> {
+  const image = await createImage(imageSrc)
+  const canvas = document.createElement('canvas')
+  const ctx = canvas.getContext('2d')
+
+  if (!ctx)
+    throw new Error('Could not create a canvas context')
+
+  const rotRad = getRadianAngle(rotation)
+
+  // calculate bounding box of the rotated image
+  const { width: bBoxWidth, height: bBoxHeight } = rotateSize(
+    image.width,
+    image.height,
+    rotation,
+  )
+
+  // set canvas size to match the bounding box
+  canvas.width = bBoxWidth
+  canvas.height = bBoxHeight
+
+  // translate canvas context to a central location to allow rotating and flipping around the center
+  ctx.translate(bBoxWidth / 2, bBoxHeight / 2)
+  ctx.rotate(rotRad)
+  ctx.scale(flip.horizontal ? -1 : 1, flip.vertical ? -1 : 1)
+  ctx.translate(-image.width / 2, -image.height / 2)
+
+  // draw rotated image
+  ctx.drawImage(image, 0, 0)
+
+  const croppedCanvas = document.createElement('canvas')
+
+  const croppedCtx = croppedCanvas.getContext('2d')
+
+  if (!croppedCtx)
+    throw new Error('Could not create a canvas context')
+
+  // Set the size of the cropped canvas
+  croppedCanvas.width = pixelCrop.width
+  croppedCanvas.height = pixelCrop.height
+
+  // Draw the cropped image onto the new canvas
+  croppedCtx.drawImage(
+    canvas,
+    pixelCrop.x,
+    pixelCrop.y,
+    pixelCrop.width,
+    pixelCrop.height,
+    0,
+    0,
+    pixelCrop.width,
+    pixelCrop.height,
+  )
+
+  return new Promise((resolve, reject) => {
+    croppedCanvas.toBlob((file) => {
+      if (file)
+        resolve(file)
+      else
+        reject(new Error('Could not create a blob'))
+    }, 'image/jpeg')
+  })
+}