//----------------------------------------------------------------------
nsresult GlobalPrinters::InitializeGlobalPrinters ()
{
if (PrintersAreAllocated()) {
return NS_OK;
}
mGlobalPrinterList = new nsStringArray();
if (!mGlobalPrinterList)
return NS_ERROR_OUT_OF_MEMORY;
nsresult rv;
nsCOMPtr<nsIPrefBranch> pPrefs = do_GetService(NS_PREFSERVICE_CONTRACTID, &rv);
if (NS_FAILED(rv))
return rv;
#ifdef USE_POSTSCRIPT
nsPSPrinterList psMgr;
if (NS_SUCCEEDED(psMgr.Init()) && psMgr.Enabled()) {
/* Get the list of PostScript-module printers */
nsCStringArray printerList;
psMgr.GetPrinterList(printerList);
printerList.EnumerateForwards(GlobalPrinterEnumFunc, mGlobalPrinterList);
}
#endif /* USE_POSTSCRIPT */
/* If there are no printers available after all checks, return an error */
if (!mGlobalPrinterList->Count())
{
/* Make sure we do not cache an empty printer list */
FreeGlobalPrinters();
return NS_ERROR_GFX_PRINTER_NO_PRINTER_AVAILABLE;
}
return NS_OK;
}
~GlobalPrinters() { FreeGlobalPrinters(); }