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/**
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* Navit, a modular navigation system.
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* Copyright (C) 2005-2008 Navit Team
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <string.h>
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#include <stdlib.h>
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#include "event.h"
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#include "plugin.h"
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#include "debug.h"
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static struct event_methods event_methods;
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static const char *e_requestor;
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static const char *e_system;
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static int has_quit;
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void event_main_loop_run(void)
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{
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if (! event_methods.main_loop_run)
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{
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dbg(0,"no event system set\n");
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return;
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}
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event_methods.main_loop_run();
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}
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void event_main_loop_quit(void)
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{
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if (event_methods.main_loop_quit)
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{
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event_methods.main_loop_quit();
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}
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has_quit=1;
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}
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int
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event_main_loop_has_quit(void)
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{
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return has_quit;
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}
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struct event_watch *
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event_add_watch(void *fd, enum event_watch_cond cond, struct callback *cb)
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{
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return event_methods.add_watch(fd, cond, cb);
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}
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void
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event_remove_watch(struct event_watch *ev)
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{
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event_methods.remove_watch(ev);
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}
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struct event_timeout *
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event_add_timeout(int timeout, int multi, struct callback *cb)
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{
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return event_methods.add_timeout(timeout, multi, cb);
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}
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void
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event_remove_timeout(struct event_timeout *ev)
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{
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event_methods.remove_timeout(ev);
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}
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struct event_idle *
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event_add_idle(int priority, struct callback *cb)
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{
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return event_methods.add_idle(priority,cb);
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}
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void
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event_remove_idle(struct event_idle *ev)
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{
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event_methods.remove_idle(ev);
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}
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void
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event_call_callback(struct callback_list *cb)
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{
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event_methods.call_callback(cb);
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}
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char const *
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event_system(void)
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{
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return e_system;
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}
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int
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event_request_system(const char *system, const char *requestor)
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{
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void (*event_type_new)(struct event_methods *meth);
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if (e_system)
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{
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if (strcmp(e_system, system))
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{
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dbg(0,"system '%s' already requested by '%s', can't set to '%s' as requested from '%s'\n", e_system, e_requestor, system, requestor);
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return 0;
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}
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return 1;
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}
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event_type_new=plugin_get_event_type(system);
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if (! event_type_new)
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{
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dbg(0,"unsupported event system '%s' requested from '%s'\n", system, requestor);
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return 0;
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}
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event_type_new(&event_methods);
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e_system=system;
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e_requestor=requestor;
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return 1;
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}
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