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-rw-r--r--src/clock.c110
1 files changed, 110 insertions, 0 deletions
diff --git a/src/clock.c b/src/clock.c
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+++ b/src/clock.c
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+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ * Charles Kerr <charles.kerr@canonical.com>
+ *
+ * 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/>.
+ */
+
+#include "clock.h"
+
+enum
+{
+ SIGNAL_CHANGED,
+ SIGNAL_LAST
+};
+
+static guint signals[SIGNAL_LAST] = { 0 };
+
+G_DEFINE_INTERFACE (IndicatorDatetimeClock,
+ indicator_datetime_clock,
+ 0);
+
+static void
+indicator_datetime_clock_default_init (IndicatorDatetimeClockInterface * klass)
+{
+ signals[SIGNAL_CHANGED] = g_signal_new (
+ "changed",
+ G_TYPE_FROM_CLASS(klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (IndicatorDatetimeClockInterface, changed),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+}
+
+/***
+**** PUBLIC API
+***/
+
+/**
+ * Get a strv of timezones.
+ *
+ * Return value: (element-type char*)
+ * (transfer full):
+ * array of timezone strings
+ */
+gchar **
+indicator_datetime_clock_get_timezones (IndicatorDatetimeClock * self)
+{
+ gchar ** timezones;
+ IndicatorDatetimeClockInterface * iface;
+
+ g_return_val_if_fail (INDICATOR_IS_DATETIME_CLOCK(self), NULL);
+ iface = INDICATOR_DATETIME_CLOCK_GET_INTERFACE(self);
+
+ if (iface->get_timezones != NULL)
+ timezones = iface->get_timezones (self);
+ else
+ timezones = NULL;
+
+ return timezones;
+}
+
+/**
+ * Get the current time.
+ *
+ * Return value: (element-type GDateTime*)
+ * (transfer full):
+ * the current time.
+ */
+GDateTime *
+indicator_datetime_clock_get_current_time (IndicatorDatetimeClock * self)
+{
+ GDateTime * now;
+ IndicatorDatetimeClockInterface * iface;
+
+ g_return_val_if_fail (INDICATOR_IS_DATETIME_CLOCK(self), NULL);
+ iface = INDICATOR_DATETIME_CLOCK_GET_INTERFACE(self);
+
+ if (iface->get_current_time != NULL)
+ now = iface->get_current_time (self);
+ else
+ now = NULL;
+
+ return now;
+}
+
+/**
+ * Emits the "changed" signal.
+ *
+ * This should only be called by subclasses.
+ */
+void
+indicator_datetime_clock_emit_changed (IndicatorDatetimeClock * self)
+{
+ g_return_if_fail (INDICATOR_IS_DATETIME_CLOCK (self));
+
+ g_signal_emit (self, signals[SIGNAL_CHANGED], 0, NULL);
+}