feat: app icon enhancements (#7095)

web/app/components/base/chat/chat-with-history/hooks.tsx

 import { addFileInfos, sortAgentSorts } from '@/app/components/tools/utils'
 import { useToastContext } from '@/app/components/base/toast'
 import { changeLanguage } from '@/i18n/i18next-config'
+import { useAppFavicon } from '@/hooks/use-app-favicon'
 
 export const useChatWithHistory = (installedAppInfo?: InstalledApp) => {
   const isInstalledApp = useMemo(() => !!installedAppInfo, [installedAppInfo])
   const { data: appInfo, isLoading: appInfoLoading, error: appInfoError } = useSWR(installedAppInfo ? null : 'appInfo', fetchAppInfo)
 
+  useAppFavicon(!installedAppInfo, appInfo?.site.icon, appInfo?.site.icon_background)
+
   const appData = useMemo(() => {
     if (isInstalledApp) {
       const { id, app } = installedAppInfo!

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

 import type { ChangeEvent, FC } from 'react'
 import React, { useState } from 'react'
 import data from '@emoji-mart/data'
-import type { Emoji, EmojiMartData } from '@emoji-mart/data'
-import { SearchIndex, init } from 'emoji-mart'
+import type { EmojiMartData } from '@emoji-mart/data'
+import { init } from 'emoji-mart'
 import {
   MagnifyingGlassIcon,
 } from '@heroicons/react/24/outline'
 import cn from '@/utils/classnames'
 import Divider from '@/app/components/base/divider'
 import Button from '@/app/components/base/button'
-
 import Modal from '@/app/components/base/modal'
+import { searchEmoji } from '@/utils/emoji'
 
 declare global {
   namespace JSX {
 
 init({ data })
 
-async function search(value: string) {
-  const emojis: Emoji[] = await SearchIndex.search(value) || []
-
-  const results = emojis.map((emoji) => {
-    return emoji.skins[0].native
-  })
-  return results
-}
-
 const backgroundColors = [
   '#FFEAD5',
   '#E4FBCC',
             }
             else {
               setIsSearching(true)
-              const emojis = await search(e.target.value)
+              const emojis = await searchEmoji(e.target.value)
               setSearchedEmojis(emojis)
             }
           }}

web/app/components/share/text-generation/index.tsx

 import Toast from '@/app/components/base/toast'
 import type { VisionFile, VisionSettings } from '@/types/app'
 import { Resolution, TransferMethod } from '@/types/app'
+import { useAppFavicon } from '@/hooks/use-app-favicon'
 
 const GROUP_SIZE = 5 // to avoid RPM(Request per minute) limit. The group task finished then the next group.
 enum TaskStatus {
             title: installedAppInfo?.app.name,
             prompt_public: false,
             copyright: '',
+            icon: installedAppInfo?.app.icon,
+            icon_background: installedAppInfo?.app.icon_background,
           },
           plan: 'basic',
         }
     }
   }, [siteInfo?.title, canReplaceLogo])
 
+  useAppFavicon(!isInstalledApp, siteInfo?.icon, siteInfo?.icon_background)
+
   const [isShowResSidebar, { setTrue: doShowResSidebar, setFalse: hideResSidebar }] = useBoolean(false)
   const showResSidebar = () => {
     // fix: useClickAway hideResSidebar will close sidebar

web/hooks/use-app-favicon.ts

+import { useAsyncEffect } from 'ahooks'
+import { appDefaultIconBackground } from '@/config'
+import { searchEmoji } from '@/utils/emoji'
+
+export function useAppFavicon(enable: boolean, icon?: string, icon_background?: string) {
+  useAsyncEffect(async () => {
+    if (!enable)
+      return
+    const link: HTMLLinkElement = document.querySelector('link[rel*="icon"]') || document.createElement('link')
+
+    // eslint-disable-next-line prefer-template
+    link.href = 'data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22>'
+            + '<rect width=%22100%25%22 height=%22100%25%22 fill=%22' + encodeURIComponent(icon_background || appDefaultIconBackground) + '%22 rx=%2230%22 ry=%2230%22 />'
+            + '<text x=%2212.5%22 y=%221em%22 font-size=%2275%22>'
+            + (icon ? await searchEmoji(icon) : '🤖')
+            + '</text>'
+            + '</svg>'
+
+    link.rel = 'shortcut icon'
+    link.type = 'image/svg'
+    document.getElementsByTagName('head')[0].appendChild(link)
+  }, [enable, icon, icon_background])
+}

web/utils/emoji.ts

+import { SearchIndex } from 'emoji-mart'
+import type { Emoji } from '@emoji-mart/data'
+
+export async function searchEmoji(value: string) {
+  const emojis: Emoji[] = await SearchIndex.search(value) || []
+
+  const results = emojis.map((emoji) => {
+    return emoji.skins[0].native
+  })
+  return results
+}