source: roaraudio/include/libroar/notify.h @ 5762:c517ca277cd0

Last change on this file since 5762:c517ca277cd0 was 5762:c517ca277cd0, checked in by phi, 11 years ago

avoid warnings

File size: 3.4 KB
Line 
1//notify.h:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2012
5 *
6 *  This file is part of libroar a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  libroar is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 51 Franklin Street, Fifth Floor,
22 *  Boston, MA 02110-1301, USA.
23 *
24 *  NOTE for everyone want's to change something and send patches:
25 *  read README and HACKING! There a addition information on
26 *  the license of this document you need to read before you send
27 *  any patches.
28 *
29 *  NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc
30 *  or libpulse*:
31 *  The libs libroaresd, libroararts and libroarpulse link this lib
32 *  and are therefore GPL. Because of this it may be illigal to use
33 *  them with any software that uses libesd, libartsc or libpulse*.
34 */
35
36#ifndef _LIBROARNOTIFY_H_
37#define _LIBROARNOTIFY_H_
38
39#include "libroar.h"
40
41#define ROAR_EVENT_FLAG_NONE        ROAR_EVENT_NETFLAG_NONE
42#define ROAR_EVENT_FLAG_NETTRANS    ROAR_EVENT_NETFLAG_DATA
43#define ROAR_EVENT_FLAG_PROXYEVENT  ROAR_EVENT_NETFLAG_PROXYEVENT
44
45struct roar_event {
46 uint32_t flags;
47 uint32_t event;
48 uint32_t event_proxy;
49 int emitter;
50 int target;
51 int target_type;
52 int arg0;
53 int arg1;
54 void * arg2;
55 ssize_t arg2_len;
56};
57
58struct roar_subscriber;
59
60struct roar_notify_core;
61
62#define ROAR_EVENT_GET_TYPE(x) ((x) == NULL ? ROAR_NOTIFY_SPECIAL : ((x)->flags & ROAR_EVENT_FLAG_PROXYEVENT ? (x)->event_proxy : (x)->event))
63
64struct roar_notify_core * roar_notify_core_new(ssize_t lists);
65int roar_notify_core_ref(struct roar_notify_core * core);
66int roar_notify_core_unref(struct roar_notify_core * core);
67#define roar_notify_core_free(x) roar_notify_core_unref((x))
68
69int roar_notify_core_new_global(ssize_t lists);
70
71struct roar_notify_core * roar_notify_core_swap_global(struct roar_notify_core * core);
72
73int roar_notify_core_register_proxy(struct roar_notify_core * core, void (*cb)(struct roar_notify_core * core, struct roar_event * event, void * userdata), void * userdata);
74
75struct roar_subscriber * roar_notify_core_subscribe(struct roar_notify_core * core, struct roar_event * event, void (*cb)(struct roar_notify_core * core, struct roar_event * event, void * userdata), void * userdata);
76int roar_notify_core_unsubscribe(struct roar_notify_core * core, struct roar_subscriber * subscriber);
77
78int roar_notify_core_emit(struct roar_notify_core * core, struct roar_event * event);
79
80int roar_notify_core_emit_simple(uint32_t event, int emitter, int target, int target_type, int arg0, int arg1, void * arg2, ssize_t arg2_len);
81
82#define roar_notify_core_emit_snoargs(event,emitter,target,target_type) roar_notify_core_emit_simple((event),(emitter),(target),(target_type),-1,-1,NULL,0)
83
84int roar_event_to_blob(struct roar_event * event, void * blob, size_t * len);
85int roar_event_from_blob(struct roar_event * event, void * blob, size_t * len);
86
87#endif
88
89//ll
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