/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2008 Robert Osfield 
 *
 * This library is open source and may be redistributed and/or modified under  
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 * 
 * 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 
 * OpenSceneGraph Public License for more details.
*/

#ifndef OSGWIDGET_VNCCLIENT
#define OSGWIDGET_VNCCLIENT

#include <osgDB/ReaderWriter>

#include <osgWidget/PdfReader>

namespace osgWidget {

/** Pure virtual base class for VncImage that is sublcassed by vnc plugin to provide the actual implementation.*/
class VncImage : public osg::Image
{
    public:
    
        VncImage() {}
    
        virtual bool connect(const std::string& hostname) = 0;

        virtual void close() = 0;

    protected:
    
        virtual ~VncImage() {}
    
};


/** Convinience Vnc Client class that provides a interactive quad that can be placed directly in the scene.*/
class OSGWIDGET_EXPORT VncClient : public osg::Geode
{
    public:
    
        VncClient() {}

        VncClient(const std::string& hostname, const GeometryHints& hints = GeometryHints());
        
        bool assign(VncImage* vncImage, const GeometryHints& hints = GeometryHints());
        
        bool connect(const std::string& hostname, const GeometryHints& hints = GeometryHints());

        void close();

    protected:
    
        osg::ref_ptr<VncImage> _vncImage;
};

}

#endif
