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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QDBUSREPLY_H
#define QDBUSREPLY_H
#include <QtDBus/qtdbusglobal.h>
#include <QtCore/qvariant.h>
#include <QtDBus/qdbusmessage.h>
#include <QtDBus/qdbuserror.h>
#include <QtDBus/qdbusextratypes.h>
#include <QtDBus/qdbuspendingreply.h>
#ifndef QT_NO_DBUS
QT_BEGIN_NAMESPACE
Q_DBUS_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(const QDBusReply &) = default;
inline QDBusReply& operator=(const QDBusMessage &reply)
{
QVariant data(QMetaType::fromType<Type>());
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 const QDBusError& error() const { 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)
{
QVariant data(QMetaType::fromType<QDBusVariant>());
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 = QDBusError(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(const QDBusReply &) = default;
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; }
inline const QDBusError& error() const { return m_error; }
private:
QDBusError m_error;
};
# endif
QT_END_NAMESPACE
#endif // QT_NO_DBUS
#endif
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