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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);
}
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