1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-stream-fs.h :stream based on unix filesystem */
/*
*
* 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_STREAM_H
#define CAMEL_SEEKABLE_STREAM_H 1
#ifdef __cplusplus
extern "C" {
#pragma }
#endif /* __cplusplus }*/
#include <gtk/gtk.h>
#include "camel-types.h"
#include "camel-stream.h"
#define CAMEL_SEEKABLE_STREAM_TYPE (camel_seekable_stream_get_type ())
#define CAMEL_SEEKABLE_STREAM(obj) (GTK_CHECK_CAST((obj), CAMEL_SEEKABLE_STREAM_TYPE, CamelSeekableStream))
#define CAMEL_SEEKABLE_STREAM_CLASS(k) (GTK_CHECK_CLASS_CAST ((k), CAMEL_SEEKABLE_STREAM_TYPE, CamelSeekableStreamClass))
#define CAMEL_IS_SEEKABLE_STREAM(o) (GTK_CHECK_TYPE((o), CAMEL_SEEKABLE_STREAM_TYPE))
typedef enum
{
CAMEL_STREAM_SET,
CAMEL_STREAM_CUR,
CAMEL_STREAM_END
} CamelStreamSeekPolicy;
struct _CamelSeekableStream
{
CamelStream parent_object;
guint32 cur_pos; /* current postion in the stream */
};
typedef struct {
CamelStreamClass parent_class;
/* Virtual methods */
gint (*seek) (CamelSeekableStream *stream, gint offset, CamelStreamSeekPolicy policy);
} CamelSeekableStreamClass;
/* Standard Gtk function */
GtkType camel_seekable_stream_get_type (void);
/* public methods */
gint camel_seekable_stream_seek (CamelSeekableStream *stream,
gint offset,
CamelStreamSeekPolicy policy);
guint32 camel_seekable_stream_get_current_position (CamelSeekableStream *stream);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CAMEL_SEEKABLE_STREAM_H */
|
