/*
 *  Copyright (C) 2003 Christian Persch
 *  
 *  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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 *  $Id: ephy-encodings.h,v 1.6 2004/01/06 14:36:22 chpe Exp $
 */

#ifndef EPHY_ENCODINGS_H
#define EPHY_ENCODINGS_H

#include <glib-object.h>
#include <glib.h>

#include "ephy-node.h"

G_BEGIN_DECLS

#define EPHY_TYPE_ENCODINGS		(ephy_encodings_get_type ())
#define EPHY_ENCODINGS(o)		(G_TYPE_CHECK_INSTANCE_CAST ((o), EPHY_TYPE_ENCODINGS, EphyEncodings))
#define EPHY_ENCODINGS_CLASS(k)		(G_TYPE_CHECK_CLASS_CAST ((k), EPHY_TYPE_ENCODINGS, EphyEncodingsClass))
#define EPHY_IS_ENCODINGS(o)		(G_TYPE_CHECK_INSTANCE_TYPE ((o), EPHY_TYPE_ENCODINGS))
#define EPHY_IS_ENCODINGS_CLASS(k)	(G_TYPE_CHECK_CLASS_TYPE ((k), EPHY_TYPE_ENCODINGS))
#define EPHY_ENCODINGS_GET_CLASS(o)	(G_TYPE_INSTANCE_GET_CLASS ((o), EPHY_TYPE_ENCODINGS, EphyEncodingsClass))

typedef struct EphyEncodingsPrivate EphyEncodingsPrivate;

typedef enum
{
	LG_NONE			= 0,
	LG_ARABIC		= 1 << 0,
	LG_BALTIC		= 1 << 1,
	LG_CAUCASIAN		= 1 << 2,
	LG_C_EUROPEAN		= 1 << 3,
	LG_CHINESE_TRAD		= 1 << 4,
	LG_CHINESE_SIMP		= 1 << 5,
	LG_CYRILLIC		= 1 << 6,
	LG_GREEK		= 1 << 7,
	LG_HEBREW		= 1 << 8,
	LG_INDIAN		= 1 << 9,
	LG_JAPANESE		= 1 << 10,
	LG_KOREAN		= 1 << 12,
	LG_NORDIC		= 1 << 13,
	LG_PERSIAN		= 1 << 14,
	LG_SE_EUROPEAN		= 1 << 15,
	LG_THAI			= 1 << 16,
	LG_TURKISH		= 1 << 17,
	LG_UKRAINIAN		= 1 << 18,
	LG_UNICODE		= 1 << 19,
	LG_VIETNAMESE		= 1 << 20,
	LG_WESTERN		= 1 << 21,
	LG_ALL			= 0x3fffff,
}
EphyLanguageGroup;

/* from htmlparser/nsIParser.h */
/* note: the value order defines the priority */
typedef enum
{
	EMBED_ENCODING_UNINITIALISED		= 0,
	EMBED_ENCODING_WEAK_DOCTYPE_DEFAULT	= 1,
	EMBED_ENCODING_USER_DEFAULT		= 2,
	EMBED_ENCODING_DOCTYPE_DEFAULT		= 3,
	EMBED_ENCODING_CACHE			= 4,
	EMBED_ENCODING_PARENT_FRAME		= 5,
	EMBED_ENCODING_BOOKMARKS		= 6,
	EMBED_ENCODING_AUTODETECTION		= 7,
	EMBED_ENCODING_HINT_PREV_DOC		= 8,
	EMBED_ENCODING_META_TAG			= 9,
	EMBED_ENCODING_BOM			= 10,
	EMBED_ENCODING_CHANNEL			= 11,
	EMBED_ENCODING_PARENT_FORCED		= 12,
	EMBED_ENCODING_USER_FORCED		= 13,
	EMBED_ENCODING_OTHER_COMPONENT		= 14,
	EMBED_ENCODING_PREV_LOADING		= 15
}
EphyEncodingSource;

typedef struct
{
	char *encoding;
	char *default_encoding;
	char *hint_encoding;
	char *prev_doc_encoding;
	char *forced_encoding;
	char *parent_encoding;
	EphyEncodingSource encoding_source;
	EphyEncodingSource hint_encoding_source;
	EphyEncodingSource parent_encoding_source;
}
EphyEncodingInfo;

enum
{
	EPHY_NODE_ENCODING_PROP_TITLE = 1,
	EPHY_NODE_ENCODING_PROP_TITLE_ELIDED = 2,
	EPHY_NODE_ENCODING_PROP_COLLATION_KEY = 3,
	EPHY_NODE_ENCODING_PROP_ENCODING = 4,
	EPHY_NODE_ENCODING_PROP_LANGUAGE_GROUPS = 5,
	EPHY_NODE_ENCODING_PROP_IS_AUTODETECTOR = 6
};

typedef struct
{
	GObject parent;

	/*< private >*/
	EphyEncodingsPrivate *priv;
} EphyEncodings;

typedef struct
{
	GObjectClass parent_class;
} EphyEncodingsClass;

GType		 ephy_encodings_get_type        (void);

EphyEncodings	*ephy_encodings_new             (void);

EphyNode	*ephy_encodings_get_node	(EphyEncodings *encodings,
						 const char *code,
						 gboolean add_if_not_found);

GList		*ephy_encodings_get_encodings	(EphyEncodings *encodings,
						 EphyLanguageGroup group_mask);

EphyNode	*ephy_encodings_get_all		(EphyEncodings *encodings);

EphyNode	*ephy_encodings_get_detectors	(EphyEncodings *encodings);

void		 ephy_encodings_add_recent	(EphyEncodings *encodings,
						 const char *code);

GList		*ephy_encodings_get_recent	(EphyEncodings *encodings);

void		 ephy_encoding_info_free	(EphyEncodingInfo *info);

gboolean	 ephy_encoding_info_is_automatic (EphyEncodingInfo *info);

G_END_DECLS

#endif
