Function getExplorerFolderPathFromWindow

src/main/utils/common.ts:74–105

(
  windowInfo: ExplorerFolderWindowInfo,
  logPrefix: string
)

 * 返回 null 表示当前窗口不是可读取目录的 Explorer/桌面窗口。
 */
export function getExplorerFolderPathFromWindow(
  windowInfo: ExplorerFolderWindowInfo,
  logPrefix: string
): string | null {
  if (windowInfo.className === 'Progman' || windowInfo.className === 'WorkerW') {
    return app.getPath('desktop')
  }

  if (windowInfo.className !== 'CabinetWClass' && windowInfo.className !== 'ExploreWClass') {
    return null
  }

  if (typeof windowInfo.hwnd !== 'number') {
    console.error(`[${logPrefix}] Explorer 窗口缺少 hwnd，无法读取目录`)
    return null
  }

  let folderUrl: string | null = null
  try {
    folderUrl = WindowManager.getExplorerFolderPath(windowInfo.hwnd)
  } catch (error) {
    console.error(`[${logPrefix}] Explorer 目录读取异常 (hwnd=${windowInfo.hwnd}):`, error)
    return null
  }

  if (!folderUrl) {
    console.error(`[${logPrefix}] Explorer 目录读取失败 (hwnd=${windowInfo.hwnd})`)
    return null
  }

  return decodeFileUrlToPath(folderUrl)
}