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sfwexample.cpp Example File
declarative/sfwexample.cpp

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    **
    ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
    ** All rights reserved.
    ** Contact: Nokia Corporation (qt-info@nokia.com)
    **
    ** This file is part of the Qt Mobility Components.
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    ** No Commercial Usage
    ** This file contains pre-release code and may not be distributed.
    ** You may use this file in accordance with the terms and conditions
    ** contained in the Technology Preview License Agreement accompanying
    ** this package.
    **
    ** 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.
    **
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    ** rights.  These rights are described in the Nokia Qt LGPL Exception
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    **
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    ****************************************************************************/

    #include "sfwexample.h"

    QML_DEFINE_TYPE(QtSFW,1,0,Service,ServiceWrapper)

    ServiceWrapper::ServiceWrapper()
    : serviceInstance(0)
    {
    }

    ServiceWrapper::~ServiceWrapper()
    {
        delete serviceInstance;
    }

    bool ServiceWrapper::isValid() const
    {
        return m_descriptor.isValid();
    }

    QString ServiceWrapper::interfaceName() const
    {
        if (isValid())
            return m_descriptor.interfaceName();
        else
            return "No Interface";
    }

    QString ServiceWrapper::serviceName() const
    {
        if (isValid()) {
            return m_descriptor.serviceName();
        } else
            return "No Service";
    }

    QString ServiceWrapper::version() const
    {
        if (isValid())
            return QString(QString::number(m_descriptor.majorVersion())+"."+QString::number(m_descriptor.minorVersion()));
        else
            return QString("0.0");
    }

    void ServiceWrapper::setNativeDescriptor(const QServiceInterfaceDescriptor &d)
    {
        if (d == m_descriptor)
            return;

        m_descriptor = d;
        if (serviceInstance)
            delete serviceInstance;

        serviceInstance = 0;
    }

    void ServiceWrapper::setDescriptor(QVariant &newDescriptor)
    {
        QServiceInterfaceDescriptor d = newDescriptor.value<QServiceInterfaceDescriptor>();
        setNativeDescriptor(d);
    }

    QObject* ServiceWrapper::serviceObject()
    {
        qDebug() << "called serviceObject";
        if (serviceInstance) {
            return serviceInstance;
        }

        if (isValid()) {
            QServiceManager manager;
            serviceInstance = manager.loadInterface(m_descriptor);
            return serviceInstance;
        } else {
            return 0;
        }
    }

    ServiceRegister::ServiceRegister()
    {
        serviceManager = new QServiceManager();
        registerExampleServices();

        //! [1]
        ServiceWrapper *service;
        QServiceFilter filter("com.nokia.qt.examples.Dialer");
        QList<QServiceInterfaceDescriptor> allImpl = serviceManager->findInterfaces(filter);
        for (int i = 0; i < allImpl.count(); i++) {
            qDebug() << "Found service:" << allImpl.at(i).serviceName() << "(" << allImpl.at(i).interfaceName() << ")";
            service = new ServiceWrapper();
            service->setNativeDescriptor(allImpl.at(i));
            m_services.append(service);
        }
        //! [1]
    }

    ServiceRegister::~ServiceRegister()
    {
        unregisterExampleServices();
    }

    void ServiceRegister::registerExampleServices()
    {
        //! [0]
        QStringList exampleXmlFiles;
        exampleXmlFiles <<"voipdialerservice.xml" << "landlinedialerservice.xml";
        foreach (const QString &fileName, exampleXmlFiles) {
            QString path = QCoreApplication::applicationDirPath() + "/../../examples/declarative/" + fileName;
            serviceManager->addService(path);
        }
        //! [0]
    }

    void ServiceRegister::unregisterExampleServices()
    {
        serviceManager->removeService("VoipDialer");
        serviceManager->removeService("LandlineDialer");
    }


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Qt Mobility Project 1.0.0