OutControl.hxx

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/*
 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef _OutControl_
#define _OutControl_

#include <string>
#include <list>
#include <typeinfo>
#include "Assert.hxx"
#include "InControl.hxx"
#include "OutControlBase.hxx"

namespace CLAM {
        class Processing;
        
        template<class ControlDataType>
        class OutControl : public OutControlBase
        {
                // This is required to solve the parsing problem with iterators.
                typedef InControl<ControlDataType> PeerInControl;
                typedef std::list< PeerInControl * > ProperInControlList;


        public:
                OutControl(const std::string &name = "unnamed typed in control", Processing * proc = 0);

                void SendControl(const ControlDataType& val);
                bool IsLinkable(const InControlBase& in);
                virtual const std::type_info & GetTypeId() const 
                {
                        return typeid(ControlDataType);
                };
        };
        
        template<class ControlDataType>
        OutControl<ControlDataType>::OutControl(const std::string &name, Processing * proc)
                : OutControlBase(name,proc)
        {
        }

        template<class ControlDataType>
        void OutControl<ControlDataType>::SendControl(const ControlDataType& val)
        {
                typename std::list< InControlBase * >::iterator it;
                
                for (it=mLinks.begin(); it!=mLinks.end(); it++) 
                {
                        InControl<ControlDataType>* control = static_cast<InControl<ControlDataType>*>(*it);
                        control->DoControl(val);
                }
        }

        template<class ControlDataType>
        bool OutControl<ControlDataType>::IsLinkable(const InControlBase& in)
        {
                return typeid(ControlDataType) == in.GetTypeId();
                
        }

        typedef OutControl<float> FloatOutControl;

} // END NAMESPACE CLAM


#endif //_OutControl_