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

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Revision 28 - (hide annotations) (download)
Sun Jun 17 08:12:47 2012 UTC (11 years, 9 months ago) by zoff99
File MIME type: text/plain
File size: 2752 byte(s)
lots of new stuff and fixes
1 zoff99 2 /**
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 zoff99 28 if (! event_methods.main_loop_run)
35     {
36 zoff99 2 dbg(0,"no event system set\n");
37     return;
38     }
39     event_methods.main_loop_run();
40     }
41    
42     void event_main_loop_quit(void)
43     {
44     if (event_methods.main_loop_quit)
45 zoff99 28 {
46 zoff99 2 event_methods.main_loop_quit();
47 zoff99 28 }
48 zoff99 2 has_quit=1;
49     }
50    
51     int
52     event_main_loop_has_quit(void)
53     {
54     return has_quit;
55     }
56    
57     struct event_watch *
58     event_add_watch(void *fd, enum event_watch_cond cond, struct callback *cb)
59     {
60     return event_methods.add_watch(fd, cond, cb);
61     }
62    
63     void
64     event_remove_watch(struct event_watch *ev)
65     {
66     event_methods.remove_watch(ev);
67     }
68    
69     struct event_timeout *
70     event_add_timeout(int timeout, int multi, struct callback *cb)
71     {
72     return event_methods.add_timeout(timeout, multi, cb);
73     }
74    
75     void
76     event_remove_timeout(struct event_timeout *ev)
77     {
78     event_methods.remove_timeout(ev);
79     }
80    
81     struct event_idle *
82     event_add_idle(int priority, struct callback *cb)
83     {
84     return event_methods.add_idle(priority,cb);
85     }
86    
87     void
88     event_remove_idle(struct event_idle *ev)
89     {
90     event_methods.remove_idle(ev);
91     }
92    
93     void
94     event_call_callback(struct callback_list *cb)
95     {
96     event_methods.call_callback(cb);
97     }
98    
99     char const *
100     event_system(void)
101     {
102     return e_system;
103     }
104    
105     int
106     event_request_system(const char *system, const char *requestor)
107     {
108     void (*event_type_new)(struct event_methods *meth);
109 zoff99 27 if (e_system)
110     {
111     if (strcmp(e_system, system))
112     {
113 zoff99 2 dbg(0,"system '%s' already requested by '%s', can't set to '%s' as requested from '%s'\n", e_system, e_requestor, system, requestor);
114     return 0;
115     }
116     return 1;
117     }
118     event_type_new=plugin_get_event_type(system);
119 zoff99 27 if (! event_type_new)
120     {
121 zoff99 2 dbg(0,"unsupported event system '%s' requested from '%s'\n", system, requestor);
122     return 0;
123     }
124     event_type_new(&event_methods);
125     e_system=system;
126     e_requestor=requestor;
127    
128     return 1;
129     }
130    
131    

   
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