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qmlcontacts.cpp Example File
qmlcontacts/qmlcontacts.cpp

    /****************************************************************************
    **
    ** 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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    ** You may use this file under the terms of the BSD license as follows:
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    ****************************************************************************/
    #include "qmlcontactsa.h"

    #include <QtDebug>
    #include <QFile>
    #include <QIODevice>
    #include <qcontactfetchrequest.h>
    #include <qcontactlocalidfilter.h>
    #include <qcontactdetails.h>
    #include <qversitreader.h>
    #include <qversitcontactimporter.h>

    QT_USE_NAMESPACE
    QTM_USE_NAMESPACE

    // ![0]
    QMLContactManagerAsync::QMLContactManagerAsync(QObject *parent)
        : QObject(parent)
    {
        qc = new QContactManager();
    }

    QMLContactManagerAsync::~QMLContactManagerAsync()
    {
        delete qc;
    }

    QString QMLContactManagerAsync::availableManagers() const
    {
        return QContactManager::availableManagers().join(" ");
    }

    QString QMLContactManagerAsync::manager()
    {
        return qc->managerName();
    }

    void QMLContactManagerAsync::fillContactsIntoMemoryEngine(QContactManager* manager)
    {
        QVersitReader reader;
        QFile file(":/contents/example.vcf");
        bool ok = file.open(QIODevice::ReadOnly);
        if (ok) {
           reader.setDevice(&file);
           if (reader.startReading() && reader.waitForFinished()) {
               QVersitContactImporter importer;
               importer.importDocuments(reader.results());
               QList<QContact> contacts = importer.contacts();
               manager->saveContacts(&contacts, 0);
           }
        }
    }

    void QMLContactManagerAsync::setManager(QString manager)
    {
        delete qc;
        qc = new QContactManager(manager);
        connect(qc, SIGNAL(contactsAdded(QList<QContactLocalId>)), this, SIGNAL(contactsAdded(QList<QContactLocalId>)));
        connect(qc, SIGNAL(contactsChanged(QList<QContactLocalId>)), this, SIGNAL(contactsChanged(QList<QContactLocalId>)));
        connect(qc, SIGNAL(contactsRemoved(QList<QContactLocalId>)), this, SIGNAL(contactsRemoved(QList<QContactLocalId>)));
        connect(qc, SIGNAL(relationshipsAdded(QList<QContactLocalId>)), this, SIGNAL(relationshipsAdded(QList<QContactLocalId>)));
        connect(qc, SIGNAL(relationshipsRemoved(QList<QContactLocalId>)), this, SIGNAL(relationshipsRemoved(QList<QContactLocalId>)));

        if (manager == "memory" && qc->contactIds().isEmpty()) {
            fillContactsIntoMemoryEngine(qc);
        }

        qWarning() << "Changed backend to: " << manager;
    }

    QString QMLContactManagerAsync::contactListToQString(const QList<QContactLocalId>& contactIds) const
    {
        QString list;

        for (int i = 0; i < contactIds.count(); i++) {
            list += QString::number(contactIds.at(i)) +  ' ';
        }

        return list;
    }

    QStringList QMLContactManagerAsync::contactListToQString(const QList<QContact>& contact) const
    {
        QStringList list;

        for (int i = 0; i < contact.count(); i++) {
            list += qc->synthesizedContactDisplayLabel(contact.at(i));
         }

        return list;
    }

    int QMLContactManagerAsync::numContacts()
    {
        return qc->contactIds().count();
    }

    void QMLContactManagerAsync::contacts()
    {
        m_contactIds.clear();
        QContactFetchRequest* req = new QContactFetchRequest;
        QContactLocalIdFilter idFil;
        idFil.setIds(qc->contactIds());
        req->setFilter(idFil);
        req->setManager(qc);
        connect(req, SIGNAL(stateChanged(QContactAbstractRequest::State)), this, SLOT(contactProgress(QContactAbstractRequest::State)));
        req->start();
    }

    void QMLContactManagerAsync::contactProgress(QContactAbstractRequest::State newState)
    {
        QContactFetchRequest *request = qobject_cast<QContactFetchRequest*>(sender());

        // first, check to make sure that the request is still valid.
        if (qc != request->manager() ||
            newState == QContactAbstractRequest::CanceledState) {
            request->deleteLater();
            return; // ignore these results.
        }

        if(request->contacts().count() > 0) {
            foreach(const QContact& c, request->contacts()) {
                QmlContact qmlc(c);
                emit contactsLoaded(&qmlc);
            }
        }

        // check to see if the request status is "finished" - clean up.
        if (newState == QContactAbstractRequest::FinishedState) {
            request->deleteLater();
            emit contactsLoadedDone();
        }
    }

    QString QMLContactManagerAsync::idToName(QString name)
    {
        QContact c = qc->contact(name.toInt());
        return qc->synthesizedContactDisplayLabel(c);
    }

    // ![0]

    #include "moc_qmlcontactsa.cpp"


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Qt Mobility Project 1.0.0