//
// FontHandler.hh for pekwm
// Copyright (C) 2004-2005 Claes Nasten <pekdon{@}pekdon{.}net>
//
// This program is licensed under the GNU GPL.
// See the LICENSE file for more information.
//

#include "../config.h"

#ifndef _FONT_HANDLER_HH_
#define _FONT_HANDLER_HH_

#include "PFont.hh"
#include "Handler.hh"
#include "ParseUtil.hh"

#include <map>
#include <list>
#include <string>

//! @brief FontHandler, a caching and font type transparent font handler.
class FontHandler {
public:
	FontHandler(void);
	~FontHandler(void);

	//! @brief Returns the FontHandler instance pointer.
	static inline FontHandler *instance(void) { return _instance; }

	//! @brief Wheter fonts should be purged from the cache when ref count 0.
	inline bool isFreeOnReturnFont(void) const { return _free_on_return_font; }
	//! @brief Wheter colors should be purged from the cache when ref count 0.
	inline bool isFreeOnReturnColor(void) const { return _free_on_return_color; }
	//! @brief Set wheter fonts should be purged from the cache when ref count 0.
	inline void setFreeOnReturnFont(bool free) { _free_on_return_font = free; }
	//! @brief Set wheter colors should be purged from the cache when ref count 0.
	inline void setFreeOnReturnColor(bool free) { _free_on_return_color = free; }

	PFont *getFont(const std::string &font);
	void returnFont(PFont *font);

	PFont::Color *getColor(const std::string &color);
	void returnColor(PFont::Color *color);

	void freeUnrefFonts(void);
	void freeUnrefColors(void);

private:
	void loadColor(const std::string &color, PFont::Color *font_color, bool fg);
	void freeColor(PFont::Color *font_color);

private:
	std::list<HandlerEntry<PFont*> > _font_list;
	std::list<HandlerEntry<PFont::Color*> > _color_list;

	bool _free_on_return_font, _free_on_return_color;

	std::map<ParseUtil::Entry, PFont::Type> _map_type;
	std::map<ParseUtil::Entry, FontJustify> _map_justify;

	//! @brief Pointer to FontHandler instance, should only be one.
	static FontHandler *_instance;
};

#endif // _FONT_HANDLER_HH_