/
dbus.h
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/
dbus.h
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/*
* Copyright (C) 2016 Jolla Ltd
* Contact: Andrew den Exter <andrew.den.exter@jolla.com>
*
* 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 the copyright holder 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."
*/
#ifndef NEMODBUS_DBUS_H
#define NEMODBUS_DBUS_H
#include <nemo-dbus/global.h>
#include <QDBusArgument>
#include <QDBusConnection>
#include <QDBusMessage>
#include <QDBusVariant>
#include <QVector>
namespace NemoDBus {
class Connection;
template <typename Argument> inline QVariant marshallArgument(const Argument &argument)
{
return QVariant::fromValue(argument);
}
inline QVariant marshallArgument(const QVariant &argument)
{
return QVariant::fromValue(QDBusVariant(argument));
}
template <typename Argument> inline Argument demarshallArgument(const QVariant &argument)
{
if (argument.userType() == qMetaTypeId<QDBusArgument>()) {
Argument demarshalled;
argument.value<QDBusArgument>() >> demarshalled;
return demarshalled;
} else {
return argument.value<Argument>();
}
}
template <> inline QDBusArgument demarshallArgument<QDBusArgument>(const QVariant &argument)
{
return argument.value<QDBusArgument>();
}
template <> inline QVariant demarshallArgument<QVariant>(const QVariant &argument)
{
return argument.value<QDBusVariant>().variant();
}
inline void appendArguments(QVariantList &) {}
template<typename Argument, typename... Arguments>
inline void appendArguments(QVariantList &list, Argument value, Arguments... arguments)
{
list.append(marshallArgument(value));
appendArguments(list, arguments...);
}
template <typename... Arguments> inline QVariantList marshallArguments(Arguments... arguments)
{
QVariantList list;
appendArguments(list, arguments...);
return list;
}
template <typename... Arguments> inline bool send(
const QDBusConnection &connection,
const QString &path,
const QString &interface,
const QString &method,
Arguments... arguments)
{
QDBusMessage message = QDBusMessage::createMethodCall(QString(), path, interface, method);
message.setArguments(marshallArguments(arguments...));
return connection.send(message);
}
template <typename... Arguments> inline bool send(
const QString &connectionName,
const QString &path,
const QString &interface,
const QString &method,
Arguments... arguments)
{
return send(QDBusConnection(connectionName), path, interface, method, arguments...);
}
NEMODBUS_EXPORT QVariant demarshallDBusArgument(const QVariant &val, int depth = 0);
NEMODBUS_EXPORT void registerDBusTypes();
NEMODBUS_EXPORT Connection systemBus();
NEMODBUS_EXPORT Connection sessionBus();
}
#endif