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****************************************************************************/

#ifndef QCLIPBOARD_P_H

#define QCLIPBOARD_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 "private/qobject_p.h"

#include "QtGui/qmime.h"

#include "QtGui/qclipboard.h"

QT_BEGIN_NAMESPACE

class QClipboardPrivate;

class QMimeDataWrapper : public QMimeSource

{

public:

    QMimeDataWrapper() {}

    const char* format(int n) const;

    QByteArray encodedData(const char*) const;

    mutable QList<QByteArray> formats;

    const QMimeData *data;

};

class QMimeSourceWrapper : public QMimeData

{

public:

    QMimeSourceWrapper(QClipboardPrivate *priv, QClipboard::Mode m);

    ~QMimeSourceWrapper();

    bool hasFormat(const QString &mimetype) const;

    QStringList formats() const;

protected:

    QVariant retrieveData(const QString &mimetype, QVariant::Type) const;

private:

    QClipboardPrivate *d;

    QClipboard::Mode mode;

    QMimeSource *source;

};

class QClipboardPrivate : public QObjectPrivate

{

public:

    QClipboardPrivate() : QObjectPrivate() {

        for (int i = 0; i <= QClipboard::LastMode; ++i) {

            compat_data[i] = 0;

            wrapper[i] = new QMimeDataWrapper();

        }

    }

    ~QClipboardPrivate() {

        for (int i = 0; i <= QClipboard::LastMode; ++i) {

            delete wrapper[i];

            delete compat_data[i];

        }

    }

    mutable QMimeDataWrapper *wrapper[QClipboard::LastMode + 1];

    mutable QMimeSource *compat_data[QClipboard::LastMode + 1];

};

inline QMimeSourceWrapper::QMimeSourceWrapper(QClipboardPrivate *priv, QClipboard::Mode m)

    : QMimeData()

{

    d = priv;

    mode = m;

    source = d->compat_data[mode];

}

inline QMimeSourceWrapper::~QMimeSourceWrapper()

{

    if (d->compat_data[mode] == source)

        d->compat_data[mode] = 0;

    delete source;

}

QT_END_NAMESPACE

#endif // QCLIPBOARD_P_H