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/*
 *  Copyright (C) 2003, 2004 Marco Pesenti Gritti
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 *  $Id$
 */

#include "mozilla-config.h"

#include "config.h"

#include "MozillaPrivate.h"

#include <nsIPrintSettingsService.h>
#include <nsIPrintOptions.h>
#include <nsIServiceManager.h>
#include <nsISimpleEnumerator.h>
#include <nsISupportsPrimitives.h>
#include <nsPromiseFlatString.h>

#include "ephy-debug.h"

/* IMPORTANT. Put only code that use internal mozilla strings (nsAutoString for
 * example) in this file. Note that you cannot use embed strings here,
 * the header inclusions will conflict.
 */

GList *
MozillaPrivate::GetPrinterList ()
{
    GList *printers = NULL;
    nsresult rv = NS_OK;

    nsCOMPtr<nsIPrintSettingsService> pss =
        do_GetService("@mozilla.org/gfx/printsettings-service;1", &rv);
    NS_ENSURE_SUCCESS(rv, nsnull);

    nsCOMPtr<nsIPrintOptions> po = do_QueryInterface(pss, &rv);
    NS_ENSURE_SUCCESS(rv, nsnull);

    nsCOMPtr<nsISimpleEnumerator> avPrinters;
    rv = po->AvailablePrinters(getter_AddRefs(avPrinters));
    NS_ENSURE_SUCCESS(rv, nsnull);

    PRBool more = PR_FALSE;

    for (avPrinters->HasMoreElements(&more);
         more == PR_TRUE;
         avPrinters->HasMoreElements(&more))
    {
        nsCOMPtr<nsISupports> i;
        rv = avPrinters->GetNext(getter_AddRefs(i));
        NS_ENSURE_SUCCESS(rv, nsnull);

        nsCOMPtr<nsISupportsString> printer = do_QueryInterface(i, &rv);
        NS_ENSURE_SUCCESS(rv, nsnull);

        nsAutoString data;
        rv = printer->GetData(data);
        NS_ENSURE_SUCCESS(rv, nsnull);

        printers = g_list_prepend (printers, g_strdup (NS_ConvertUCS2toUTF8 (data).get()));
    }

    return g_list_reverse (printers);
}