server/view.h

/* Copyright (c) 2009, Stefan Eilemann <eile@equalizergraphics.com> 
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *  
 * 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 Lesser General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef EQSERVER_VIEW_H
#define EQSERVER_VIEW_H

#include "paths.h"
#include "viewVisitor.h"        // used in inline method
#include "types.h"

#include <eq/client/view.h>     // base class
#include <eq/client/viewport.h> // member

namespace eq
{
namespace server
{
    class Config;
    class Layout;

    class View : public eq::View
    {
    public:
        EQSERVER_EXPORT View();

        View( const View& from, Config* config );

        virtual ~View();

        VisitorResult accept( ViewVisitor& visitor )
            { return visitor.visit( this ); }
        VisitorResult accept( ConstViewVisitor& visitor ) const
            { return visitor.visit( this ); }
        
        void setViewport( const Viewport& viewport );

        Config* getConfig();

        const Config* getConfig() const;

        Layout* getLayout() { return _layout; }

        const Layout* getLayout() const { return _layout; }

        ViewPath getPath() const;

        void addChannel( Channel* channel );
        
        bool removeChannel( Channel* channel );
        
        const ChannelVector& getChannels() const{ return _channels; }

        void setObserver( Observer* observer );

    protected:
        virtual void deserialize( net::DataIStream& is, 
                                  const uint64_t dirtyBits );

    private:
        virtual void getInstanceData( net::DataOStream& os );

        Layout* _layout;
        friend class Layout;

        ChannelVector _channels;

        union // placeholder for binary-compatible changes
        {
            char dummy[64];
        };
    };

    std::ostream& operator << ( std::ostream& os, const View* view );
}
}
#endif // EQSERVER_VIEW_H