2 * clock - clock resource for zavai
4 * Copyright (C) 2009 Enrico Zini <enrico@enricozini.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 public enum SourceType
32 public class Alarm : Object
34 public signal void trigger();
36 public time_t deadline;
39 public Alarm(time_t deadline, string label)
41 this.deadline = deadline;
46 private int alarm_compare(void* a, void* b)
48 return (int)(((Alarm*)a)->deadline - ((Alarm*)b)->deadline);
51 [DBus (name = "org.freesmartphone.Notification")]
52 public class AlarmNotification : Object {
53 public void Alarm () {
58 public class Clock: zavai.Service
60 protected time_t last_gps_time;
61 protected time_t last_gps_time_system_time;
62 protected time_t last_system_time;
63 protected dynamic DBus.Object gps_time;
64 protected uint system_time_timeout;
65 protected time_t last_minute;
66 protected time_t chosen_time;
67 protected SourceType chosen_type;
68 protected AlarmNotification listener;
70 protected dynamic DBus.Object otimed_alarm;
71 protected dynamic DBus.Object notification;
72 protected SList<Alarm> alarms;
74 // Ticks once a minute
75 public signal void minute_changed(long time, SourceType source);
76 public signal void schedule_changed();
82 listener = new AlarmNotification();
85 last_gps_time_system_time = 0;
86 last_system_time = time_t();
87 chosen_time = last_system_time;
89 gps_time = zavai.registry.sbus.get_object(
90 "org.freesmartphone.ogpsd",
91 "/org/freedesktop/Gypsy",
92 "org.freedesktop.Gypsy.Time");
95 otimed_alarm = zavai.registry.sbus.get_object(
96 "org.freesmartphone.otimed",
97 "/org/freesmartphone/Time/Alarm",
98 "org.freesmartphone.Time.Alarm");
99 if (otimed_alarm == null)
100 zavai.log.error("ALARM IS NULL");
102 zavai.registry.sbus.register_object("/", listener);
104 //notification = zavai.registry.sbus.get_object(
105 // "org.freesmartphone",
106 // "org/freesmartphone/Notification",
107 // "org.freesmartphone.Notification");
108 //notification.Alarm += on_alarm;
111 public Alarm? next_alarm()
118 public void schedule(Alarm a)
120 alarms.insert_sorted(a, alarm_compare);
124 private void otimed_reschedule()
128 zavai.log.info("Scheduling next alarm: " + alarms.data.label + " at " + Time.local(alarms.data.deadline).to_string());
131 otimed_alarm.ClearAlarm(zavai.registry.bus_name);
133 zavai.log.error("Cannot clear alarms: " + e.message);
136 otimed_alarm.SetAlarm(zavai.registry.bus_name, (int)alarms.data.deadline);
138 zavai.log.error("Cannot reschedule alarms: " + e.message);
141 zavai.log.info("No alarms left to reschedule");
145 public void check_alarms()
147 last_system_time = time_t();
149 while (alarms != null && alarms.data.deadline <= chosen_time)
151 Alarm a = alarms.data;
153 zavai.log.info("Triggering " + a.label);
160 private void on_gps_time(dynamic DBus.Object pos, int t)
164 last_gps_time_system_time = 0;
167 last_gps_time = (time_t)t;
168 last_gps_time_system_time = time_t();
173 private bool on_system_time()
175 last_system_time = time_t();
180 private void update_time()
182 if (last_gps_time_system_time + 10 > last_system_time)
184 chosen_time = last_gps_time;
185 chosen_type = SourceType.GPS;
189 chosen_time = last_system_time;
190 chosen_type = SourceType.SYSTEM;
192 if (chosen_time / 60 != last_minute)
194 last_minute = chosen_time / 60;
195 minute_changed(chosen_time, chosen_type);
199 /// Request GPS resource
200 public override void start()
204 system_time_timeout = Timeout.add(5000, on_system_time);
205 gps_time.TimeChanged += on_gps_time;
206 last_system_time = time_t();
212 public override void stop()
214 if (!started) return;
216 Source.remove(system_time_timeout);
217 gps_time.TimeChanged -= on_gps_time;
223 public Clock clock = null;
229 zavai.registry.register_service(clock);