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authorCharles Kerr <charles.kerr@canonical.com>2014-04-24 11:04:55 -0500
committerCharles Kerr <charles.kerr@canonical.com>2014-04-24 11:04:55 -0500
commitcff541acfef717aae4c9b696627b4817e7eac851 (patch)
tree52dae8e92864e64c2959546c316be74bcd3dad9d /include/datetime/alarm-queue.h
parent4008e0a91ebdc1cf5c5715a122fed318124c8802 (diff)
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rename 'clock-watcher' as 'alarm-queue' because the former name isn't very informative.
Diffstat (limited to 'include/datetime/alarm-queue.h')
-rw-r--r--include/datetime/alarm-queue.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/include/datetime/alarm-queue.h b/include/datetime/alarm-queue.h
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+/*
+ * Copyright 2014 Canonical Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, 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 warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ * Charles Kerr <charles.kerr@canonical.com>
+ */
+
+#ifndef INDICATOR_DATETIME_ALARM_QUEUE_H
+#define INDICATOR_DATETIME_ALARM_QUEUE_H
+
+#include <datetime/appointment.h>
+#include <datetime/clock.h>
+#include <datetime/planner-upcoming.h>
+
+#include <core/signal.h>
+
+#include <memory>
+#include <set>
+#include <string>
+
+namespace unity {
+namespace indicator {
+namespace datetime {
+
+
+/**
+ * \brief Watches the clock and appointments to notify when an
+ * appointment's time is reached.
+ */
+class AlarmQueue
+{
+public:
+ AlarmQueue() =default;
+ virtual ~AlarmQueue() =default;
+ virtual core::Signal<const Appointment&>& alarm_reached() = 0;
+};
+
+
+/**
+ * \brief A #AlarmQueue implementation
+ */
+class AlarmQueueImpl: public AlarmQueue
+{
+public:
+ AlarmQueueImpl(const std::shared_ptr<Clock>& clock,
+ const std::shared_ptr<UpcomingPlanner>& upcoming_planner);
+ ~AlarmQueueImpl() =default;
+ core::Signal<const Appointment&>& alarm_reached();
+
+private:
+ void pulse();
+ std::set<std::string> m_triggered;
+ const std::shared_ptr<Clock> m_clock;
+ const std::shared_ptr<UpcomingPlanner> m_upcoming_planner;
+ core::Signal<const Appointment&> m_alarm_reached;
+};
+
+
+} // namespace datetime
+} // namespace indicator
+} // namespace unity
+
+#endif // INDICATOR_DATETIME_ALARM_QUEUE_H