from alarm dev branch: add the alarm watcher and its unit tests

2 files changed, 72 insertions, 0 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 810e299..12a5b74 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -18,6 +18,7 @@ add_library (${SERVICE_LIB} STATIC
              appointment.cpp
              clock.cpp
              clock-live.cpp
+             clock-watcher.cpp
              date-time.cpp
              exporter.cpp
              formatter.cpp
diff --git a/src/clock-watcher.cpp b/src/clock-watcher.cpp
new file mode 100644
index 0000000..a2e700d
--- /dev/null
+++ b/src/clock-watcher.cpp
@@ -0,0 +1,71 @@
+/*
+ * 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>
+ */
+
+#include <datetime/clock-watcher.h>
+
+namespace unity {
+namespace indicator {
+namespace datetime {
+
+/***
+****
+***/
+
+ClockWatcherImpl::ClockWatcherImpl(const std::shared_ptr<const State>& state):
+    m_state(state)
+{
+    m_state->planner->upcoming.changed().connect([this](const std::vector<Appointment>&){
+        g_debug("ClockWatcher pulse because upcoming appointments changed");
+        pulse();
+    });
+    m_state->clock->minute_changed.connect([this](){
+        g_debug("ClockWatcher pulse because clock minute_changed");
+        pulse();
+    });
+    pulse();
+}
+
+core::Signal<const Appointment&>& ClockWatcherImpl::alarm_reached()
+{
+    return m_alarm_reached;
+}
+
+void ClockWatcherImpl::pulse()
+{
+    const auto now = m_state->clock->localtime();
+
+    for(const auto& appointment : m_state->planner->upcoming.get())
+    {
+        if (m_triggered.count(appointment.uid))
+            continue;
+        if (!DateTime::is_same_minute(now, appointment.begin))
+            continue;
+
+        m_triggered.insert(appointment.uid);
+        m_alarm_reached(appointment);
+    }
+}
+
+/***
+****
+***/
+
+} // namespace datetime
+} // namespace indicator
+} // namespace unity