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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([email protected])
**
** This file is part of the QtDBus module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** 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
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at [email protected].
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDBUSREPLY_H
#define QDBUSREPLY_H
#include <QtCore/qglobal.h>
#include <QtCore/qvariant.h>
#include <QtDBus/qdbusmacros.h>
#include <QtDBus/qdbusmessage.h>
#include <QtDBus/qdbuserror.h>
#include <QtDBus/qdbusextratypes.h>
#include <QtDBus/qdbuspendingreply.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(DBus)
QDBUS_EXPORT void qDBusReplyFill(const QDBusMessage &reply, QDBusError &error, QVariant &data);
template<typename T>
class QDBusReply
{
typedef T Type;
public:
inline QDBusReply(const QDBusMessage &reply)
{
*this = reply;
}
inline QDBusReply& operator=(const QDBusMessage &reply)
{
QVariant data(qMetaTypeId(&m_data), reinterpret_cast<void*>(0));
qDBusReplyFill(reply, m_error, data);
m_data = qvariant_cast<Type>(data);
return *this;
}
inline QDBusReply(const QDBusPendingCall &pcall)
{
*this = pcall;
}
inline QDBusReply &operator=(const QDBusPendingCall &pcall)
{
QDBusPendingCall other(pcall);
other.waitForFinished();
return *this = other.reply();
}
inline QDBusReply(const QDBusPendingReply<T> &reply)
{
*this = static_cast<QDBusPendingCall>(reply);
}
inline QDBusReply(const QDBusError &dbusError = QDBusError())
: m_error(dbusError), m_data(Type())
{
}
inline QDBusReply& operator=(const QDBusError& dbusError)
{
m_error = dbusError;
m_data = Type();
return *this;
}
inline QDBusReply& operator=(const QDBusReply& other)
{
m_error = other.m_error;
m_data = other.m_data;
return *this;
}
inline bool isValid() const { return !m_error.isValid(); }
inline const QDBusError& error() { return m_error; }
inline Type value() const
{
return m_data;
}
inline operator Type () const
{
return m_data;
}
private:
QDBusError m_error;
Type m_data;
};
# ifndef Q_QDOC
// specialize for QVariant:
template<> inline QDBusReply<QVariant>&
QDBusReply<QVariant>::operator=(const QDBusMessage &reply)
{
void *null = 0;
QVariant data(qMetaTypeId<QDBusVariant>(), null);
qDBusReplyFill(reply, m_error, data);
m_data = qvariant_cast<QDBusVariant>(data).variant();
return *this;
}
// specialize for void:
template<>
class QDBusReply<void>
{
public:
inline QDBusReply(const QDBusMessage &reply)
: m_error(reply)
{
}
inline QDBusReply& operator=(const QDBusMessage &reply)
{
m_error = reply;
return *this;
}
inline QDBusReply(const QDBusError &dbusError = QDBusError())
: m_error(dbusError)
{
}
inline QDBusReply(const QDBusPendingCall &pcall)
{
*this = pcall;
}
inline QDBusReply &operator=(const QDBusPendingCall &pcall)
{
QDBusPendingCall other(pcall);
other.waitForFinished();
return *this = other.reply();
}
inline QDBusReply& operator=(const QDBusError& dbusError)
{
m_error = dbusError;
return *this;
}
inline QDBusReply& operator=(const QDBusReply& other)
{
m_error = other.m_error;
return *this;
}
inline bool isValid() const { return !m_error.isValid(); }
inline const QDBusError& error() { return m_error; }
private:
QDBusError m_error;
};
# endif
QT_END_NAMESPACE
QT_END_HEADER
#endif
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