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/**
* Navit, a modular navigation system.
* Copyright (C) 2005-2008 Navit Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* 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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <string.h>
#include <stdlib.h>
#include "event.h"
#include "plugin.h"
#include "debug.h"
static struct event_methods event_methods;
static const char *e_requestor;
static const char *e_system;
static int has_quit;
void event_main_loop_run(void)
{
if (! event_methods.main_loop_run) {
dbg(0,"no event system set\n");
return;
}
event_methods.main_loop_run();
}
void event_main_loop_quit(void)
{
if (event_methods.main_loop_quit)
event_methods.main_loop_quit();
has_quit=1;
}
int
event_main_loop_has_quit(void)
{
return has_quit;
}
struct event_watch *
event_add_watch(void *fd, enum event_watch_cond cond, struct callback *cb)
{
return event_methods.add_watch(fd, cond, cb);
}
void
event_remove_watch(struct event_watch *ev)
{
event_methods.remove_watch(ev);
}
struct event_timeout *
event_add_timeout(int timeout, int multi, struct callback *cb)
{
return event_methods.add_timeout(timeout, multi, cb);
}
void
event_remove_timeout(struct event_timeout *ev)
{
event_methods.remove_timeout(ev);
}
struct event_idle *
event_add_idle(int priority, struct callback *cb)
{
return event_methods.add_idle(priority,cb);
}
void
event_remove_idle(struct event_idle *ev)
{
event_methods.remove_idle(ev);
}
void
event_call_callback(struct callback_list *cb)
{
event_methods.call_callback(cb);
}
char const *
event_system(void)
{
return e_system;
}
int
event_request_system(const char *system, const char *requestor)
{
void (*event_type_new)(struct event_methods *meth);
if (e_system) {
if (strcmp(e_system, system)) {
dbg(0,"system '%s' already requested by '%s', can't set to '%s' as requested from '%s'\n", e_system, e_requestor, system, requestor);
return 0;
}
return 1;
}
event_type_new=plugin_get_event_type(system);
if (! event_type_new) {
dbg(0,"unsupported event system '%s' requested from '%s'\n", system, requestor);
return 0;
}
event_type_new(&event_methods);
e_system=system;
e_requestor=requestor;
return 1;
}
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