/*
 * ModuleManager.h
 *
 * Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef MAD_COMMON_MODULEMANAGER_H_
#define MAD_COMMON_MODULEMANAGER_H_

#include "export.h"

#include "Module.h"
#include <Core/Configurable.h>

#include <boost/thread/shared_mutex.hpp>

#include <map>
#include <stack>
#include <string>

#ifdef _WIN32
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#endif

namespace Mad {
namespace Common {

class Application;

class MAD_COMMON_EXPORT ModuleManager : public Core::Configurable, private boost::noncopyable {
  private:
    friend class Application;

#ifdef WIN32
    typedef HMODULE ModuleHandle;
#else
    typedef void *ModuleHandle;
#endif
    
    typedef Module *(*ModuleLoadFunc)(Application*);

    static const ModuleHandle STATIC_MODULE;

    Application *application;

    std::map<std::string, std::pair<ModuleHandle, Module*> > modules;
    std::stack<std::string> moduleOrder;

    boost::shared_mutex mutex;

    ModuleManager(Application *application0);
    ~ModuleManager();

    void unloadModule(const std::string &name);

  protected:
    virtual void configure();

  public:
    bool loadModule(const std::string &name);
};

}
}

#endif /* MAD_COMMON_MODULEMANAGER_H_ */