/**
 * GMyth Library
 *
 * @file gmyth/gmyth_tvchain.h
 * 
 * @brief <p> This component contains functions for creating and accessing
 * the tvchain functions for live tv playback.
 * 
 * Copyright (C) 2006 INdT - Instituto Nokia de Tecnologia.
 * @author Hallyson Luiz de Morais Melo <hallyson.melo@indt.org.br>
 *
 *//*
 * 
 * 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 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 Lesser 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
 */

#ifndef LIVETVCHAIN_H_
#define LIVETVCHAIN_H_

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

#include "gmyth_common.h"
#include "gmyth_backendinfo.h"

G_BEGIN_DECLS

#define GMYTH_TVCHAIN_TYPE               (gmyth_tvchain_get_type ())
#define GMYTH_TVCHAIN(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), GMYTH_TVCHAIN_TYPE, GMythTVChain))
#define GMYTH_TVCHAIN_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST ((klass), GMYTH_TVCHAIN_TYPE, GMythTVChainClass))
#define IS_GMYTH_TVCHAIN(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GMYTH_TVCHAIN_TYPE))
#define IS_GMYTH_TVCHAIN_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GMYTH_TVCHAIN_TYPE))
#define GMYTH_TVCHAIN_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), GMYTH_TVCHAIN_TYPE, GMythTVChainClass))


typedef struct _GMythTVChain         GMythTVChain;
typedef struct _GMythTVChainClass    GMythTVChainClass;


struct LiveTVChainEntry
{
    GString *chanid;

    GTimeVal* starttime;
    GTimeVal* endtime;
    
    gboolean discontinuity; // if true, can't play smooth from last entry
    GString *hostprefix;
    GString *cardtype;
    GString *channum;
    GString *inputname;
};


struct _GMythTVChainClass
{
    GObjectClass parent_class;

    /* callbacks */
    /* no one for now */
};

struct _GMythTVChain
{
    GObject parent;

	GString *tvchain_id;
	GList   *tvchain_list;
	
	GTimeVal*  cur_startts;
	GString *cur_chanid;
	gint     cur_pos;

    GMythBackendInfo *backend_info;
};


GType       gmyth_tvchain_get_type (void);

gboolean        gmyth_tvchain_initialize    (GMythTVChain *tvchain, 
                                         GMythBackendInfo *backend_info);
gboolean    gmyth_tvchain_reload_all    (GMythTVChain *tvchain);
GString*    gmyth_tvchain_get_id        (GMythTVChain *tvchain);
gint         gmyth_tvchain_program_is_at (GMythTVChain *tvchain, 
                                         GString *chanid, GTimeVal* startts);

struct LiveTVChainEntry* gmyth_tvchain_get_entry_at (GMythTVChain *tvchain, 
                                                     gint index);

GMythProgramInfo*   gmyth_tvchain_entry_to_program (GMythTVChain *tvchain, 
                                                    struct LiveTVChainEntry *entry);
GMythProgramInfo*   gmyth_tvchain_get_program_at (GMythTVChain *tvchain, gint index);

G_END_DECLS

#endif /*LIVETVCHAIN_H_*/