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

#ifndef QDBUSSERVICEWATCHER_H

#define QDBUSSERVICEWATCHER_H

#include <QtCore/qobject.h>

#include <QtDBus/qdbusmacros.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(DBus)

class QDBusConnection;

class QDBusServiceWatcherPrivate;

class QDBUS_EXPORT QDBusServiceWatcher: public QObject

{

    Q_OBJECT

    Q_PROPERTY(QStringList watchedServices READ watchedServices WRITE setWatchedServices)

    Q_PROPERTY(WatchMode watchMode READ watchMode WRITE setWatchMode)

public:

    enum WatchModeFlag {

        WatchForRegistration = 0x01,

        WatchForUnregistration = 0x02,

        WatchForOwnerChange = 0x03

    };

    Q_DECLARE_FLAGS(WatchMode, WatchModeFlag)

    explicit QDBusServiceWatcher(QObject *parent = 0);

    QDBusServiceWatcher(const QString &service, const QDBusConnection &connection,

                        WatchMode watchMode = WatchForOwnerChange, QObject *parent = 0);

    ~QDBusServiceWatcher();

    QStringList watchedServices() const;

    void setWatchedServices(const QStringList &services);

    void addWatchedService(const QString &newService);

    bool removeWatchedService(const QString &service);

    WatchMode watchMode() const;

    void setWatchMode(WatchMode mode);

    QDBusConnection connection() const;

    void setConnection(const QDBusConnection &connection);

Q_SIGNALS:

    void serviceRegistered(const QString &service);

    void serviceUnregistered(const QString &service);

    void serviceOwnerChanged(const QString &service, const QString &oldOwner, const QString &newOwner);

private:

    Q_PRIVATE_SLOT(d_func(), void _q_serviceOwnerChanged(QString,QString,QString))

    Q_DISABLE_COPY(QDBusServiceWatcher)

    Q_DECLARE_PRIVATE(QDBusServiceWatcher)

};

Q_DECLARE_OPERATORS_FOR_FLAGS(QDBusServiceWatcher::WatchMode)

QT_END_NAMESPACE

QT_END_HEADER

#endif // QDBUSSERVICEWATCHER_H