QtDBusApp.h

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//# QtDBusXmlApp.qo.h: Abstract parent to use the CASA DBus server.
//# Copyright (C) 2009
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library is distributed in the hope that it will be useful, but WITHOUT
//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//#        Internet email: aips2-request@nrao.edu.
//#        Postal address: AIPS++ Project Office
//#                        National Radio Astronomy Observatory
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//# $Id: $
#ifndef QTDBUSAPP_QO_H_
#define QTDBUSAPP_QO_H_

#include <set>
#include <string>
#include <QString>
#include <QDBusConnection>
#include <sys/types.h>

namespace casa {

    class QtDBusApp {
        public:
            static QDBusConnection connection( );
            QString dbusServiceName( const QString &name, const pid_t pid );
            QString dbusObjectName( const QString &name, const pid_t pid );
            static QString serviceOwner( const QString &service );
            static QString serviceOwner( const std::string &service );
            const QString &dbusServiceName( const QString &name="" );
            const QString &dbusObjectName( const QString &name="" );
            static bool serviceIsAvailable(const QString &service);
            static bool serviceIsAvailable(const std::string &service);

            virtual QString dbusName( ) const = 0;
            static QString generateServiceName( const QString &name, const pid_t pid );


            QtDBusApp( );
            virtual ~QtDBusApp( );

            // Connects to the DBus server using the name provided (if non-null). Otherwise, the
            // dbusName() method with the current process ID is used.  Returns a boolean which
            // indicates whether the connection succeeded or not.
            virtual bool connectToDBus( const QString &dbus_name="" ) = 0;

        protected:

            bool connectToDBus( QObject *object,  const QString &dbus_name="" );

        private:
            static const QString &serviceBase( );
            static const QString &objectBase( );
            QString *service_name;
            QString *object_name;
    };

    inline std::string to_string(const QString &other) { return std::string((const char*) other.toLatin1().data()); }

}

#endif