/*****************************************************************************
 * var_manager.hpp
 *****************************************************************************
 * Copyright (C) 2003 the VideoLAN team
 * $Id$
 *
 * Authors: Cyril Deguet     <asmax@via.ecp.fr>
 *          Olivier Teulière <ipkiss@via.ecp.fr>
 *
 * 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; either version 2 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#ifndef VAR_MANAGER_HPP
#define VAR_MANAGER_HPP

#include "../utils/var_text.hpp"
#include <list>
#include <map>


class VarManager: public SkinObject
{
    public:
        /// Get the instance of VarManager
        static VarManager *instance( intf_thread_t *pIntf );

        /// Delete the instance of VarManager
        static void destroy( intf_thread_t *pIntf );

        /// Register a named variable in the manager
        void registerVar( const VariablePtr &rcVar, const string &rName );

        /// Register an anonymous variable in the manager
        void registerVar( const VariablePtr &rcVar );

        /// Get a variable by its name (NULL if not found)
        Variable *getVar( const string &rName );

        /// Get a variable by its name and check the type (NULL if not found)
        Variable *getVar( const string &rName, const string &rType );

        /// Get the tooltip text variable
        VarText &getTooltipText() { return *m_pTooltipText; }

        /// Get the help text variable
        VarText &getHelpText() { return *m_pHelpText; }

        /// Register a constant value
        void registerConst( const string &rName, const string &rValue);

        /// Get a constant value by its name
        string getConst( const string &rName );

    private:
        /// Tooltip text
        VarText *m_pTooltipText;
        /// Help text
        VarText *m_pHelpText;
        /// Map of named registered variables
        map<string, VariablePtr> m_varMap;
        /// List of named registed variables
        list<string> m_varList;
        /// List of anonymous registed variables
        list<VariablePtr> m_anonVarList;
        /// Map of constant values
        map<string, string> m_constMap;

        /// Private because it is a singleton
        VarManager( intf_thread_t *pIntf );
        virtual ~VarManager();
};


#endif
