Overleaf/services/web/frontend/js/features/ide-react/components/layout/ide-page.tsx

import { useConnectionContext } from '@/features/ide-react/context/connection-context'
import useEventListener from '@/shared/hooks/use-event-listener'
import { useCallback, useEffect, useState } from 'react'
import { Alerts } from '@/features/ide-react/components/alerts/alerts'
import { useLayoutContext } from '@/shared/context/layout-context'
import MainLayout from '@/features/ide-react/components/layout/main-layout'
import { EditorAndSidebar } from '@/features/ide-react/components/editor-and-sidebar'
import EditorLeftMenu from '@/features/editor-left-menu/components/editor-left-menu'
import EditorNavigationToolbar from '@/features/ide-react/components/editor-navigation-toolbar'
import ChatPane from '@/features/chat/components/chat-pane'
import { useLayoutEventTracking } from '@/features/ide-react/hooks/use-layout-event-tracking'
import useSocketListeners from '@/features/ide-react/hooks/use-socket-listeners'
import { useModalsContext } from '@/features/ide-react/context/modals-context'
import { useOpenFile } from '@/features/ide-react/hooks/use-open-file'

// This is filled with placeholder content while the real content is migrated
// away from Angular
export default function IdePage() {
  useLayoutEventTracking()
  useSocketListeners()

  // This returns a function to open a binary file but for now we just use the
  // fact that it also patches in ide.binaryFilesManager. Once Angular is gone,
  // we can remove this hook from here and use it in the history file restore
  // component instead.
  useOpenFile()

  const [leftColumnDefaultSize, setLeftColumnDefaultSize] = useState(20)
  const { connectionState, registerUserActivity } = useConnectionContext()
  const { showLockEditorMessageModal } = useModalsContext()

  // Show modal when editor is forcefully disconnected
  useEffect(() => {
    if (connectionState.forceDisconnected) {
      showLockEditorMessageModal(connectionState.forcedDisconnectDelay)
    }
  }, [
    connectionState.forceDisconnected,
    connectionState.forcedDisconnectDelay,
    showLockEditorMessageModal,
  ])

  // Inform the connection manager when the user is active
  const listener = useCallback(
    () => registerUserActivity(),
    [registerUserActivity]
  )

  useEventListener('cursor:editor:update', listener)

  useEffect(() => {
    document.body.addEventListener('click', listener)
    return () => document.body.removeEventListener('click', listener)
  }, [listener])

  const { chatIsOpen } = useLayoutContext()

  const mainContent = (
    <EditorAndSidebar
      leftColumnDefaultSize={leftColumnDefaultSize}
      setLeftColumnDefaultSize={setLeftColumnDefaultSize}
      shouldPersistLayout
    />
  )

  return (
    <>
      <Alerts />
      <EditorLeftMenu />
      <MainLayout
        headerContent={<EditorNavigationToolbar />}
        chatContent={<ChatPane />}
        mainContent={mainContent}
        chatIsOpen={chatIsOpen}
        shouldPersistLayout
      />
    </>
  )
}