components/systemstatusmon/display.h

/*
 * Orca-Robotics Project: Components for robotics 
 *               http://orca-robotics.sf.net/
 * Copyright (c) 2004-2009 Alex Brooks, Alexei Makarenko, Tobias Kaupp
 *
 * This copy of Orca is licensed to you under the terms described in
 * the LICENSE file included in this distribution.
 *
 */
 
#ifndef DISPLAY_H
#define DISPLAY_H

#include <gbxsickacfr/gbxiceutilacfr/timer.h>
#include <gbxsickacfr/gbxiceutilacfr/thread.h>
#include <orcaifaceimpl/systemstatus.h>
#include <orcaice/context.h>

namespace systemstatusmon
{
    
//
// Abstract Display class
// 
// Author: Tobias Kaupp
// 
class Display
{
public:
    virtual ~Display() {};
    virtual void refresh() = 0;
};
    
//
// A simple implementation of a Display: plain print-out of SystemStatusData on console
// 
class SimpleDisplay : public Display
{
public:
    SimpleDisplay( const orcaice::Context   &context, 
                    gbxiceutilacfr::Thread *thread )
    {
        consumer_ = new orcaifaceimpl::PrintingSystemStatusConsumerImpl( context );
        consumer_->subscribeWithTag( "SystemStatus", thread );
    }
    void refresh() {};
    
private:
    orcaifaceimpl::PrintingSystemStatusConsumerImplPtr consumer_;
};    

//
// An implementation of Display presenting SystemStatusData in a coloured matrix on the console
//
class ColourTextDisplay : public Display
{
public:
    ColourTextDisplay( const orcaice::Context   &context, 
                        gbxiceutilacfr::Thread *thread );
    void refresh();
    
private:
    
    orcaice::Context context_;
    gbxiceutilacfr::Timer timeSinceHeardTimer_;
    orcaifaceimpl::BufferedSystemStatusConsumerImplPtr consumer_;
    double publishIntervalSec_;
            
    void display( const orca::SystemStatusData &data );
};

}

#endif