transmission/qt/DBusInteropHelper.cc

// This file Copyright © Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.

#include <QDBusConnection>
#include <QDBusMessage>
#include <QDBusReply>
#include <QString>
#include <QVariant>
#include <QtDebug>

#include "DBusInteropHelper.h"
#include "InteropObject.h"

bool DBusInteropHelper::isConnected() const
{
    return QDBusConnection::sessionBus().isConnected();
}

QVariant DBusInteropHelper::addMetainfo(QString const& metainfo) const
{
    auto request = QDBusMessage::createMethodCall(
        QStringLiteral("com.transmissionbt.Transmission"),
        QStringLiteral("/com/transmissionbt/Transmission"),
        QStringLiteral("com.transmissionbt.Transmission"),
        QStringLiteral("AddMetainfo"));
    request.setArguments(QVariantList{} << metainfo);

    QDBusReply<bool> const response = QDBusConnection::sessionBus().call(request);
    return response.isValid() ? QVariant{ response.value() } : QVariant{};
}

void DBusInteropHelper::registerObject(QObject* parent)
{
    auto bus = QDBusConnection::sessionBus();
    if (!bus.isConnected())
    {
        return;
    }

    if (auto const service_name = QStringLiteral("com.transmissionbt.Transmission"); !bus.registerService(service_name))
    {
        qWarning() << "couldn't register" << qPrintable(service_name);
    }

    if (auto const object_path = QStringLiteral("/com/transmissionbt/Transmission");
        !bus.registerObject(object_path, new InteropObject{ parent }, QDBusConnection::ExportAllSlots))
    {
        qWarning() << "couldn't register" << qPrintable(object_path);
    }
}