cxStreamer.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, 
   this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, 
   this list of conditions and the following disclaimer in the documentation 
   and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors 
   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
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=========================================================================*/

#ifndef CXSTREAMER_H_
#define CXSTREAMER_H_

#include "cxGrabberExport.h"

#include <QObject>
#include <QString>
#include <QStringList>
#include <QTimer>

#include <map>
#include "boost/shared_ptr.hpp"
#include <iostream>

namespace cx
{

typedef boost::shared_ptr<class Sender> SenderPtr;
typedef boost::shared_ptr<class Streamer> StreamerPtr;

class cxGrabber_EXPORT Streamer : public QObject
{
        Q_OBJECT

public:
        Streamer();
        virtual ~Streamer(){};

        virtual void startStreaming(SenderPtr sender) = 0;
        virtual void stopStreaming() = 0;
        virtual bool isStreaming() = 0;

        void setSendInterval(int milliseconds); 
        int getSendInterval() const; 

signals:
        void stateChanged();

protected slots:
        virtual void streamSlot() = 0;

protected:
        void setInitialized(bool initialized);
        bool isInitialized();
        void createSendTimer(bool singleshot = false);
        bool isReadyToSend();
        SenderPtr mSender;
        QTimer* mSendTimer;

private:
        int mSendInterval; 
        bool mInitialized;

};

typedef std::map<QString, QString> StringMap;

class cxGrabber_EXPORT CommandLineStreamer : public Streamer
{
        Q_OBJECT

public:
        CommandLineStreamer(){};
        virtual ~CommandLineStreamer(){};

        virtual QStringList getArgumentDescription() = 0;
        virtual QString getType() = 0;

        virtual void initialize(StringMap arguments);

protected slots:
        virtual void streamSlot() {std::cout << "THIS SHOULD NOT HAPPEN...." << std::endl;};


protected:
        StringMap mArguments;
};
typedef boost::shared_ptr<CommandLineStreamer> CommandLineStreamerPtr;
}

#endif /* CXSTREAMER_H_ */