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authorCharles Kerr <charles.kerr@canonical.com>2014-02-02 22:37:22 -0600
committerCharles Kerr <charles.kerr@canonical.com>2014-02-02 22:37:22 -0600
commitfcc1ab27cbc36983be51589800d269b055356b2b (patch)
tree7e28bd8686bdd8fb3a7675c58ef370922c2d2cf6 /include/datetime
parenta03811363619c178fd5156fa94eb5d5a4897afa5 (diff)
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from alarm dev branch: add the alarm watcher and its unit tests
Diffstat (limited to 'include/datetime')
-rw-r--r--include/datetime/clock-watcher.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/include/datetime/clock-watcher.h b/include/datetime/clock-watcher.h
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+++ b/include/datetime/clock-watcher.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_CLOCK_WATCHER_H
+#define INDICATOR_DATETIME_CLOCK_WATCHER_H
+
+#include <datetime/state.h>
+#include <datetime/appointment.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 ClockWatcher
+{
+public:
+ ClockWatcher() =default;
+ virtual ~ClockWatcher() =default;
+ virtual core::Signal<const Appointment&>& alarm_reached() = 0;
+};
+
+
+/**
+ * \brief A #ClockWatcher implementation
+ */
+class ClockWatcherImpl: public ClockWatcher
+{
+public:
+ ClockWatcherImpl(const std::shared_ptr<const State>& state);
+ ~ClockWatcherImpl() =default;
+ core::Signal<const Appointment&>& alarm_reached();
+
+private:
+ void pulse();
+ std::set<std::string> m_triggered;
+ std::shared_ptr<const State> m_state;
+ core::Signal<const Appointment&> m_alarm_reached;
+};
+
+
+} // namespace datetime
+} // namespace indicator
+} // namespace unity
+
+#endif // INDICATOR_DATETIME_CLOCK_WATCHER_H