/[zanavi_public1]/navit/navit/event.c
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Contents of /navit/navit/event.c

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Revision 27 - (show annotations) (download)
Mon Apr 9 21:27:36 2012 UTC (10 years, 7 months ago) by zoff99
File MIME type: text/plain
File size: 2745 byte(s)
lots of new stuff, tranlsations, bug fixes ...
1 /**
2 * Navit, a modular navigation system.
3 * Copyright (C) 2005-2008 Navit Team
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * version 2 as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20 #include <string.h>
21 #include <stdlib.h>
22 #include "event.h"
23 #include "plugin.h"
24 #include "debug.h"
25
26 static struct event_methods event_methods;
27 static const char *e_requestor;
28 static const char *e_system;
29
30 static int has_quit;
31
32 void event_main_loop_run(void)
33 {
34 if (! event_methods.main_loop_run) {
35 dbg(0,"no event system set\n");
36 return;
37 }
38 event_methods.main_loop_run();
39 }
40
41 void event_main_loop_quit(void)
42 {
43 if (event_methods.main_loop_quit)
44 event_methods.main_loop_quit();
45 has_quit=1;
46 }
47
48 int
49 event_main_loop_has_quit(void)
50 {
51 return has_quit;
52 }
53
54 struct event_watch *
55 event_add_watch(void *fd, enum event_watch_cond cond, struct callback *cb)
56 {
57 return event_methods.add_watch(fd, cond, cb);
58 }
59
60 void
61 event_remove_watch(struct event_watch *ev)
62 {
63 event_methods.remove_watch(ev);
64 }
65
66 struct event_timeout *
67 event_add_timeout(int timeout, int multi, struct callback *cb)
68 {
69 return event_methods.add_timeout(timeout, multi, cb);
70 }
71
72 void
73 event_remove_timeout(struct event_timeout *ev)
74 {
75 event_methods.remove_timeout(ev);
76 }
77
78 struct event_idle *
79 event_add_idle(int priority, struct callback *cb)
80 {
81 return event_methods.add_idle(priority,cb);
82 }
83
84 void
85 event_remove_idle(struct event_idle *ev)
86 {
87 event_methods.remove_idle(ev);
88 }
89
90 void
91 event_call_callback(struct callback_list *cb)
92 {
93 event_methods.call_callback(cb);
94 }
95
96 char const *
97 event_system(void)
98 {
99 return e_system;
100 }
101
102 int
103 event_request_system(const char *system, const char *requestor)
104 {
105 void (*event_type_new)(struct event_methods *meth);
106 if (e_system)
107 {
108 if (strcmp(e_system, system))
109 {
110 dbg(0,"system '%s' already requested by '%s', can't set to '%s' as requested from '%s'\n", e_system, e_requestor, system, requestor);
111 return 0;
112 }
113 return 1;
114 }
115 event_type_new=plugin_get_event_type(system);
116 if (! event_type_new)
117 {
118 dbg(0,"unsupported event system '%s' requested from '%s'\n", system, requestor);
119 return 0;
120 }
121 event_type_new(&event_methods);
122 e_system=system;
123 e_requestor=requestor;
124
125 return 1;
126 }
127
128

   
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