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

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

#ifndef QAXAGGREGATED_H

#define QAXAGGREGATED_H

#include <QtCore/qobject.h>

struct IUnknown;

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(ActiveQt)

#ifndef QT_NO_WIN_ACTIVEQT

struct QUuid;

class QAxAggregated

{

    friend class QAxServerBase;

    friend class QAxClientSite;

public:

    virtual long queryInterface(const QUuid &iid, void **iface) = 0;

protected:

    virtual ~QAxAggregated()

    {}

    inline IUnknown *controllingUnknown() const

    { return controlling_unknown; }

    inline QWidget *widget() const 

    {

        return qobject_cast<QWidget*>(the_object);

    }

    inline QObject *object() const { return the_object; }

private:

    IUnknown *controlling_unknown;

    QObject *the_object;

};

#define QAXAGG_IUNKNOWN \

    HRESULT WINAPI QueryInterface(REFIID iid, LPVOID *iface) { \

    return controllingUnknown()->QueryInterface(iid, iface); } \

    ULONG WINAPI AddRef() {return controllingUnknown()->AddRef(); } \

    ULONG WINAPI Release() {return controllingUnknown()->Release(); } \

#endif // QT_NO_WIN_ACTIVEQT

QT_END_NAMESPACE

QT_END_HEADER

#endif // QAXAGGREGATED_H