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****************************************************************************/

#ifndef QVALUESPACESUBSCRIBER_H

#define QVALUESPACESUBSCRIBER_H

#include "qmobilityglobal.h"

#include "qvaluespace.h"

#include <QObject>

#include <QVariant>

#include <QStringList>

#include <QExplicitlySharedDataPointer>

QT_BEGIN_HEADER

QTM_BEGIN_NAMESPACE

class QValueSpaceSubscriberPrivate;

class Q_PUBLISHSUBSCRIBE_EXPORT QValueSpaceSubscriber : public QObject

{

    Q_OBJECT

    Q_PROPERTY(QString path READ path WRITE setPath)

    Q_PROPERTY(QVariant value READ valuex NOTIFY contentsChanged)

public:

    explicit QValueSpaceSubscriber(QObject *parent = 0);

    explicit QValueSpaceSubscriber(const QString &path, QObject *parent = 0);

    QValueSpaceSubscriber(QValueSpace::LayerOptions filter, const QString &path,

                          QObject *parent = 0);

    QValueSpaceSubscriber(const QUuid &uuid, const QString &path, QObject *parent = 0);

    virtual ~QValueSpaceSubscriber();

    void setPath(const QString &path);

    void setPath(QValueSpaceSubscriber *subscriber);

    QString path() const;

    void cd(const QString &path);

    void cdUp();

    bool isConnected() const;

    QStringList subPaths() const;

    QVariant value(const QString &subPath = QString(), const QVariant &def = QVariant()) const;

signals:

    void contentsChanged();

protected:

    virtual void connectNotify(const char *signal);

    virtual void disconnectNotify(const char *signal);

private:

    QVariant valuex(const QVariant &def = QVariant()) const;

private:

    Q_DISABLE_COPY(QValueSpaceSubscriber)

    QExplicitlySharedDataPointer<QValueSpaceSubscriberPrivate> d;

};

QTM_END_NAMESPACE

QT_END_HEADER

#endif // QVALUESPACESUBSCRIBER_H