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-rw-r--r--src/clock-live.cpp137
-rw-r--r--src/clock.cpp98
2 files changed, 235 insertions, 0 deletions
diff --git a/src/clock-live.cpp b/src/clock-live.cpp
new file mode 100644
index 0000000..80e91a3
--- /dev/null
+++ b/src/clock-live.cpp
@@ -0,0 +1,137 @@
+/*
+ * Copyright 2013 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.h>
+
+namespace unity {
+namespace indicator {
+namespace datetime {
+
+class LiveClock::Impl
+{
+public:
+
+ Impl(LiveClock& owner, const std::shared_ptr<Timezones>& tzd):
+ owner_(owner),
+ timezones_(tzd)
+ {
+ if (timezones_)
+ {
+ timezones_->timezone.changed().connect ([this](const std::string& z) {setTimezone(z);});
+ setTimezone(timezones_->timezone.get());
+ }
+
+ owner_.skewTestIntervalSec.changed().connect([this](unsigned int intervalSec) {setInterval(intervalSec);});
+ setInterval(owner_.skewTestIntervalSec.get());
+ }
+
+ ~Impl()
+ {
+ clearTimer();
+
+ g_clear_pointer (&timezone_, g_time_zone_unref);
+ }
+
+ GDateTime* localtime() const
+ {
+ g_assert (timezone_ != nullptr);
+
+ return g_date_time_new_now (timezone_);
+ }
+
+private:
+
+ void setTimezone (const std::string& str)
+ {
+ g_clear_pointer (&timezone_, g_time_zone_unref);
+ timezone_= g_time_zone_new (str.c_str());
+ owner_.skewDetected();
+ }
+
+private:
+
+ void clearTimer()
+ {
+ if (skew_timeout_id_)
+ {
+ g_source_remove(skew_timeout_id_);
+ skew_timeout_id_ = 0;
+ }
+
+ g_clear_pointer(&prev_datetime_, g_date_time_unref);
+ }
+
+ void setInterval(unsigned int seconds)
+ {
+ clearTimer();
+
+ if (seconds > 0)
+ {
+ prev_datetime_ = owner_.localtime();
+ skew_timeout_id_ = g_timeout_add_seconds(seconds, onTimerPulse, this);
+ }
+ }
+
+ static gboolean onTimerPulse(gpointer gself)
+ {
+ auto self = static_cast<Impl*>(gself);
+
+ // check to see if too much time passed since the last check */
+ GDateTime * now = self->owner_.localtime();
+ const GTimeSpan diff = g_date_time_difference(now, self->prev_datetime_);
+ const GTimeSpan fuzz = 5;
+ const GTimeSpan max = (self->owner_.skewTestIntervalSec.get() + fuzz) * G_USEC_PER_SEC;
+ if (abs(diff) > max)
+ self->owner_.skewDetected();
+
+ // update prev_datetime
+ g_clear_pointer(&self->prev_datetime_, g_date_time_unref);
+ self->prev_datetime_ = now;
+
+ return G_SOURCE_CONTINUE;
+ }
+
+protected:
+
+ LiveClock& owner_;
+ GTimeZone * timezone_ = nullptr;
+ std::shared_ptr<Timezones> timezones_;
+
+ GDateTime * prev_datetime_ = nullptr;
+ unsigned int skew_timeout_id_ = 0;
+ unsigned int sleep_subscription_id_ = 0;
+};
+
+LiveClock::LiveClock(const std::shared_ptr<Timezones>& tzd):
+ p (new Impl (*this, tzd))
+{
+}
+
+LiveClock::~LiveClock() =default;
+
+GDateTime *
+LiveClock::localtime() const
+{
+ return p->localtime();
+}
+
+} // namespace datetime
+} // namespace indicator
+} // namespace unity
+
diff --git a/src/clock.cpp b/src/clock.cpp
new file mode 100644
index 0000000..4a75ceb
--- /dev/null
+++ b/src/clock.cpp
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2013 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.h>
+
+#include <glib.h>
+#include <gio/gio.h>
+
+namespace unity {
+namespace indicator {
+namespace datetime {
+
+/***
+****
+***/
+
+Clock::Clock():
+ cancellable_(g_cancellable_new())
+{
+ g_bus_get(G_BUS_TYPE_SYSTEM, cancellable_, onSystemBusReady, this);
+
+ timezones.changed().connect([this](const std::set<std::string>& timezones){
+ g_message ("timezones changed... new count is %d", (int)timezones.size());
+ skewDetected();
+ });
+}
+
+Clock::~Clock()
+{
+ g_cancellable_cancel(cancellable_);
+ g_clear_object(&cancellable_);
+
+ if (sleep_subscription_id_)
+ g_dbus_connection_signal_unsubscribe(system_bus_ , sleep_subscription_id_);
+
+ g_clear_object(&system_bus_);
+}
+
+void
+Clock::onSystemBusReady(GObject*, GAsyncResult * res, gpointer gself)
+{
+ GDBusConnection * system_bus;
+
+ if ((system_bus = g_bus_get_finish(res, nullptr)))
+ {
+ auto self = static_cast<Clock*>(gself);
+
+ self->system_bus_ = system_bus;
+
+ self->sleep_subscription_id_ = g_dbus_connection_signal_subscribe(
+ system_bus,
+ nullptr,
+ "org.freedesktop.login1.Manager", // interface
+ "PrepareForSleep", // signal name
+ "/org/freedesktop/login1", // object path
+ nullptr, // arg0
+ G_DBUS_SIGNAL_FLAGS_NONE,
+ onPrepareForSleep,
+ self,
+ nullptr);
+ }
+}
+
+void
+Clock::onPrepareForSleep(GDBusConnection * connection G_GNUC_UNUSED,
+ const gchar * sender_name G_GNUC_UNUSED,
+ const gchar * object_path G_GNUC_UNUSED,
+ const gchar * interface_name G_GNUC_UNUSED,
+ const gchar * signal_name G_GNUC_UNUSED,
+ GVariant * parameters G_GNUC_UNUSED,
+ gpointer gself)
+{
+ static_cast<Clock*>(gself)->skewDetected();
+}
+
+/***
+****
+***/
+
+} // namespace datetime
+} // namespace indicator
+} // namespace unity