Comment 117 for bug 214366

Comment on attachment 8371072
WIP patch 3

>+ newFolderName.Assign(folderName);
>+ bool containsChild = true;
>+ uint32_t i = 1;
>+ while (containsChild) {
>+ rv = ContainsChildNamed(newFolderName, &containsChild);
>+ NS_ENSURE_SUCCESS(rv, rv);
>+ if (!containsChild)
>+ break;
>+ // This could be localizable but Toolkit is fine without it, see
>+ // mozilla/toolkit/content/contentAreaUtils.js::uniqueFile()
>+ i++;
>+ newFolderName.Assign(folderName);
>+ newFolderName.AppendLiteral("(");
>+ newFolderName.AppendInt(i);
>+ newFolderName.AppendLiteral(")");
>+ }
bool containsChild;
rv = ContainsChildNamed(folderName, &containsChild);
NS_ENSURE_SUCCESS(rv, rv);
while (containsChild) {
  i++;
  newFolderName.Assign(folderName);
  newFolderName.AppendLiteral("(");
  newFolderName.AppendInt(i);
  newFolderName.AppendLiteral(")");
  rv = ContainsChildNamed(newFolderName, &containsChild);
  NS_ENSURE_SUCCESS(rv, rv);
}