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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the ActiveQt framework of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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
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