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#ifndef QDECLARATIVEVALUESPACEPUBLISHER_H
#define QDECLARATIVEVALUESPACEPUBLISHER_H

#include <QHash>
#include <QStringList>

#include "qvaluespace.h"
#include "qvaluespacepublisher.h"
#include "qvaluespacesubscriber.h"

#include <QDeclarativeListProperty>
#include <QDeclarativeParserStatus>

QTM_USE_NAMESPACE

class QDeclarativeValueSpacePublisherMetaObject;
class QDeclarativeValueSpacePublisherQueueItem;

class QDeclarativeValueSpacePublisher : public QObject, public QDeclarativeParserStatus
{
    Q_OBJECT
    Q_INTERFACES(QDeclarativeParserStatus)

    Q_PROPERTY(QString path READ path WRITE setPath)
    Q_PROPERTY(bool hasSubscribers READ hasSubscribers NOTIFY subscribersChanged)
    Q_PROPERTY(QStringList keys READ keys WRITE setKeys)

    // these should be write-only
    // but MSVC can't cope with write-only Q_PROPERTYs?
    Q_PROPERTY(QVariant value READ dummyValue WRITE setValue)
    Q_PROPERTY(bool server READ dummyServer WRITE startServer)

public:
    QDeclarativeValueSpacePublisher(QObject *parent=0);
    ~QDeclarativeValueSpacePublisher();

    QString path() const;
    void setPath(const QString &path);

    void setValue(const QVariant &val);
    void startServer(const bool &really);
    bool dummyServer() const;

    QStringList keys() const;
    QVariant dummyValue() const;

    bool hasSubscribers() const;

    void setKeys(const QStringList &keys);

    void classBegin();
    void componentComplete();

signals:
    void subscribersChanged();

private:
    QDeclarativeValueSpacePublisherMetaObject *d;
    friend class QDeclarativeValueSpacePublisherMetaObject;

    void queueChange(const QString &subPath, const QVariant &val);
    void doQueue();

    QList<QDeclarativeValueSpacePublisherQueueItem> m_queue;
    bool m_hasSubscribers;
    bool m_complete;
    QValueSpacePublisher *m_publisher;
    QString m_path;
    QStringList m_keys;
    bool m_pathSet;

private slots:
    void onInterestChanged(QString path, bool state);

};

#endif // QDECLARATIVEVALUESPACEPUBLISHER_H
