/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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****************************************************************************/

#ifndef QCUPS_P_H
#define QCUPS_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "QtCore/qstring.h"
#include "QtCore/qstringlist.h"
#include "QtCore/qpair.h"
#include "QtPrintSupport/qprinter.h"

#ifndef QT_NO_CUPS
#include <QtCore/qlibrary.h>
#include <cups/cups.h>
#include <cups/ppd.h>
#include "qprintengine.h"

QT_BEGIN_NAMESPACE

// HACK! Define these here temporarily so they can be used in the dialogs
// without a circular reference to QCupsPrintEngine in the plugin.
// Move back to qcupsprintengine_p.h in the plugin once all usage
// removed from the dialogs.
#define PPK_CupsOptions QPrintEngine::PrintEnginePropertyKey(0xfe00)
#define PPK_CupsPageRect QPrintEngine::PrintEnginePropertyKey(0xfe01)
#define PPK_CupsPaperRect QPrintEngine::PrintEnginePropertyKey(0xfe02)
#define PPK_CupsStringPageSize QPrintEngine::PrintEnginePropertyKey(0xfe03)

Q_DECLARE_TYPEINFO(cups_option_t, Q_MOVABLE_TYPE | Q_PRIMITIVE_TYPE);

class Q_PRINTSUPPORT_EXPORT QCUPSSupport
{
public:
    struct Printer
    {
        Printer(const QString &name = QString());

        QString name;
        bool isDefault;
        int cupsPrinterIndex;
    };
    QCUPSSupport();
    ~QCUPSSupport();

    static bool isAvailable();
    static int cupsVersion() { return isAvailable() ? CUPS_VERSION_MAJOR*10000+CUPS_VERSION_MINOR*100+CUPS_VERSION_PATCH : 0; }
    int availablePrintersCount() const;
    const cups_dest_t* availablePrinters() const;
    int currentPrinterIndex() const;
    const ppd_file_t* setCurrentPrinter(int index);

    const ppd_file_t* currentPPD() const;
    const ppd_option_t* ppdOption(const char *key) const;

    const cups_option_t* printerOption(const QString &key) const;
    const ppd_option_t* pageSizes() const;

    int markOption(const char* name, const char* value);
    void saveOptions(QList<const ppd_option_t*> options, QList<const char*> markedOptions);

    QRect paperRect(const char *choice) const;
    QRect pageRect(const char *choice) const;

    QStringList options() const;

    static bool printerHasPPD(const char *printerName);

    QString unicodeString(const char *s);

    QPair<int, QString> tempFd();
    int printFile(const char * printerName, const char * filename, const char * title,
                  int num_options, cups_option_t * options);

    static QList<Printer> availableUnixPrinters();
    static QList<QPrinter::PaperSize> getCupsPrinterPaperSizes(int cupsPrinterIndex);

private:
    void collectMarkedOptions(QStringList& list, const ppd_group_t* group = 0) const;
    void collectMarkedOptionsHelper(QStringList& list, const ppd_group_t* group) const;

    int prnCount;
    cups_dest_t *printers;
    const ppd_option_t* page_sizes;
    int currPrinterIndex;
    ppd_file_t *currPPD;
#ifndef QT_NO_TEXTCODEC
    QTextCodec *codec;
#endif
};

QT_END_NAMESPACE

#endif // QT_NO_CUPS

#endif