pluginsupport.h

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/*
 * File: pluginsuppport.h - Maintain plugins
 * Project: GED - bitmap editor (ICP)
 * Author: Kamil Dudka, xdudka00
 * Team: xdudka00, xfilak01, xhefka00, xhradi08
 * Created: 2006-04-06
 */

#ifndef PLUGINSUPPORT_H
#define PLUGINSUPPORT_H

#include <string>
#include <map>

#include "framebuffer.h"

class PluginList {
public:
        ~PluginList ();

        static PluginList *ptr();

        static void destroy();

        void pluginDirLookup (const char *szDirectory);

        void callByName (FrameBuffer &fb, std::string pluginName, std::string args);

        struct ErrPluginDir { };

        struct ErrPluginNotFound { };

        struct ErrPluginEC {
                int iErrCode;                   

                ErrPluginEC (int i) { iErrCode = i; }
        };

        friend class DocMenu;                   

protected:
        PluginList () { }

private:
        static PluginList *_instance;
        std::map<std::string, std::string> _pluginNameMap;

        void addPluginFile (std::string &fileName);

        void invokePlugin (FrameBuffer &fb, std::string &fileName, std::string &args);
};


class SharedObject {
public:
        FrameBuffer *pFB() { return &_fb; }

        int shmBitmap() { return _shmBitmap; }

        static int create (FrameBuffer &fb);

        static void destroy (int shmID);

        static SharedObject *attach (int shmID);

        static void detach (SharedObject *addr);

        void bitmapAlloc (BoxSize &size);

        void bitmapFree ();

        Pixel *bitmapAttach ();

        void detach (Pixel *addr);

private:
        FrameBuffer _fb;        
        int _shmBitmap;         

        SharedObject();
};

class SharedFrameBuffer: public FrameBuffer {
public:
        SharedFrameBuffer (int shmID);

        void commit (int shmID);
};

#endif // PLUGINSUPPORT_H

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