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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-seekable-substream.h : stream */
/*
*
* Author :
* Bertrand Guiheneuf <bertrand@helixcode.com>
*
* Copyright 1999, 2000 HelixCode (http://www.helixcode.com) .
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#ifndef CAMEL_SEEKABLE_SUBSTREAM_H
#define CAMEL_SEEKABLE_SUBSTREAM_H 1
#ifdef __cplusplus
extern "C" {
#pragma }
#endif /* __cplusplus }*/
#include <gtk/gtk.h>
#include "camel-types.h"
#include "camel-seekable-stream.h"
#define CAMEL_SEEKABLE_SUBSTREAM_TYPE (camel_seekable_substream_get_type ())
#define CAMEL_SEEKABLE_SUBSTREAM(obj) (GTK_CHECK_CAST((obj), CAMEL_SEEKABLE_SUBSTREAM_TYPE, CamelSeekableSubstream))
#define CAMEL_SEEKABLE_SUBSTREAM_CLASS(k) (GTK_CHECK_CLASS_CAST ((k), CAMEL_SEEKABLE_SUBSTREAM_TYPE, CamelSeekableSubstreamClass))
#define CAMEL_IS_SEEKABLE_SUBSTREAM(o) (GTK_CHECK_TYPE((o), CAMEL_SEEKABLE_SUBSTREAM_TYPE))
struct _CamelSeekableSubstream
{
CamelSeekableStream parent_object;
/* --**-- Private fields --**-- */
CamelSeekableStream *parent_stream; /* the stream this substream uses */
guint32 cur_pos; /* current postion in the stream */
guint32 inf_bound; /* first valid position */
gint64 sup_bound; /* first invalid position */
gboolean open;
};
typedef struct {
CamelSeekableStreamClass parent_class;
/* Virtual methods */
void (*init_with_seekable_stream_and_bounds) (CamelSeekableSubstream *seekable_substream,
CamelSeekableStream *parent_stream,
guint32 inf_bound,
gint64 sup_bound);
} CamelSeekableSubstreamClass;
/* Standard Gtk function */
GtkType camel_seekable_substream_get_type (void);
/* public methods */
/* obtain a new seekable substream */
CamelSeekableSubstream *
camel_seekable_substream_new_with_seekable_stream_and_bounds (CamelSeekableStream *parent_stream,
guint32 inf_bound,
gint64 sup_bound);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CAMEL_SEEKABLE_SUBSTREAM_H */
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