/****************************************************************************
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** This file is part of the plugins of the Qt Toolkit.
**
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****************************************************************************/

#include "qwindowsprintersupport.h"

#include <QtCore/QList>
#include <QtPrintSupport/QPrinterInfo>
#include <qprintengine_win_p.h>
#include <private/qpaintengine_alpha_p.h>
#include <private/qprinterinfo_p.h>

QT_BEGIN_NAMESPACE

QWindowsPrinterSupport::QWindowsPrinterSupport()
    : QPlatformPrinterSupport()
{
    DWORD needed = 0;
    DWORD returned = 0;
    if (!EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS, NULL, 4, 0, 0, &needed, &returned)) {
        LPBYTE buffer = new BYTE[needed];
        if (EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS, NULL, 4, buffer, needed, &needed, &returned)) {
            PPRINTER_INFO_4 infoList = reinterpret_cast<PPRINTER_INFO_4>(buffer);
            QString defaultPrinterName;
            QString program;
            QString port;
            QWin32PrintEngine::queryDefaultPrinter(defaultPrinterName, program, port);
            for (uint i = 0; i < returned; ++i) {
                QString printerName(QString::fromWCharArray(infoList[i].pPrinterName));
                bool isDefault = (printerName == defaultPrinterName);
                QPrinterInfo printerInfo = createPrinterInfo(printerName, QString(), QString(), QString(), isDefault, i);
                m_printers.append(printerInfo);
            }
        }
        delete [] buffer;
    }
}

QWindowsPrinterSupport::~QWindowsPrinterSupport()
{
}

QPrintEngine *QWindowsPrinterSupport::createNativePrintEngine(QPrinter::PrinterMode printerMode)
{
        return new QWin32PrintEngine(printerMode);
}

QPaintEngine *QWindowsPrinterSupport::createPaintEngine(QPrintEngine *engine, QPrinter::PrinterMode printerMode)
{
    Q_UNUSED(printerMode)
    return static_cast<QWin32PrintEngine *>(engine);
}

QList<QPrinter::PaperSize> QWindowsPrinterSupport::supportedPaperSizes(const QPrinterInfo &printerInfo) const
{
    return QWin32PrintEngine::supportedPaperSizes(printerInfo);
}

QT_END_NAMESPACE
