dolphin/Source/Core/Common/Src/Plugin.h

// Copyright (C) 2003-2008 Dolphin Project.

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.

// This program 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 General Public License 2.0 for more details.

// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/

// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/

#ifndef _PLUGIN_H
#define _PLUGIN_H

#include "Common.h"
#include "PluginSpecs.h"
#include "DynamicLibrary.h"

namespace Common
{
    typedef void (__cdecl * TGetDllInfo)(PLUGIN_INFO*);
    typedef void (__cdecl * TDllConfig)(HWND);
    typedef void (__cdecl * TDllDebugger)(HWND, bool);
    typedef void (__cdecl * TSetDllGlobals)(PLUGIN_GLOBALS*);
    typedef void (__cdecl * TInitialize)(void *);
    typedef void (__cdecl * TShutdown)();
    typedef void (__cdecl * TDoState)(unsigned char**, int);

class CPlugin
{
	public:

		CPlugin(const char* _szName);
		~CPlugin();

		// This functions is only used when CPlugin is called directly, when a parent class like PluginVideo
		// is called its own IsValid() will be called. 
		virtual bool IsValid() {return valid;};
		std::string GetFilename() {return Filename;};		

		bool GetInfo(PLUGIN_INFO& _pluginInfo);
		void SetGlobals(PLUGIN_GLOBALS* _PluginGlobals);
		void *LoadSymbol(const char *sym);

		void Config(HWND _hwnd);
		void About(HWND _hwnd);
		void Debug(HWND _hwnd, bool Show);
		void DoState(unsigned char **ptr, int mode);
		void Initialize(void *init);
		void Shutdown();

	private:

		DynamicLibrary m_hInstLib;
		bool valid;	
		std::string Filename;

		// Functions
		TGetDllInfo m_GetDllInfo;
		TDllConfig m_DllConfig;
		TDllDebugger m_DllDebugger;
		TSetDllGlobals m_SetDllGlobals;
		TInitialize m_Initialize;
		TShutdown m_Shutdown;
		TDoState m_DoState;
};
} // end of namespace Common

#endif