/****************************************************************************
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** This file is part of the plugins of the Qt Toolkit.
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** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
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#include "contextkitproperty.h"

#include <QDBusReply>
#include <QDebug>

static QString objectPathForProperty(const QString& property)
{
    QString path = property;
    if (!path.startsWith(QLatin1Char('/'))) {
        path.replace(QLatin1Char('.'), QLatin1Char('/'));
        path.prepend(QLatin1String("/org/maemo/contextkit/"));
    }
    return path;
}

QContextKitProperty::QContextKitProperty(const QString& serviceName, const QString& propertyName)
    : propertyInterface(serviceName, objectPathForProperty(propertyName),
                        QLatin1String("org.maemo.contextkit.Property"), QDBusConnection::systemBus())
{
    propertyInterface.call("Subscribe");
    connect(&propertyInterface, SIGNAL(ValueChanged(QVariantList,qulonglong)),
            this, SLOT(cacheValue(QVariantList,qulonglong)));

    QDBusMessage reply = propertyInterface.call("Get");
    if (reply.type() == QDBusMessage::ReplyMessage)
        cachedValue = qdbus_cast<QList<QVariant> >(reply.arguments().value(0)).value(0);
}

QContextKitProperty::~QContextKitProperty()
{
    propertyInterface.call("Unsubscribe");
}

QVariant QContextKitProperty::value() const
{
    return cachedValue;
}

void QContextKitProperty::cacheValue(const QVariantList& values, qulonglong)
{
    cachedValue = values.value(0);
    emit valueChanged(cachedValue);
}