rename the 'DatetimeLocation' classes to the more accurate name 'DatetimeTimezone'

1 files changed, 261 insertions, 0 deletions

diff --git a/src/timezone-geoclue.c b/src/timezone-geoclue.c
new file mode 100644
index 0000000..5271945
--- /dev/null
+++ b/src/timezone-geoclue.c
@@ -0,0 +1,261 @@
+/*
+ * 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 "config.h"
+
+#include <glib.h>
+#include <glib/gi18n-lib.h>
+
+#include <geoclue/geoclue-master.h>
+#include <geoclue/geoclue-master-client.h>
+
+#include "timezone-geoclue.h"
+
+struct _IndicatorDatetimeTimezoneGeocluePriv
+{
+  GeoclueMaster * master;
+  GeoclueMasterClient * client;
+  GeoclueAddress * address;
+  gchar * timezone;
+};
+
+typedef IndicatorDatetimeTimezoneGeocluePriv priv_t;
+
+G_DEFINE_TYPE (IndicatorDatetimeTimezoneGeoclue,
+               indicator_datetime_timezone_geoclue,
+               INDICATOR_TYPE_DATETIME_TIMEZONE)
+
+static void geo_restart (IndicatorDatetimeTimezoneGeoclue * self);
+
+/***
+****
+***/
+
+static void
+set_timezone (IndicatorDatetimeTimezoneGeoclue * self, const gchar * timezone)
+{
+  priv_t * p = self->priv;
+
+  if (g_strcmp0 (p->timezone, timezone))
+    {
+      g_free (p->timezone);
+      p->timezone = g_strdup (timezone);
+      indicator_datetime_timezone_notify_timezone (INDICATOR_DATETIME_TIMEZONE(self));
+    }
+}
+
+static void
+on_address_changed (GeoclueAddress  * address,
+                    int               timestamp,
+                    GHashTable      * addy_data,
+                    GeoclueAccuracy * accuracy,
+                    GError          * error,
+                    gpointer          gself)
+{
+  if (error != NULL)
+    {
+      g_warning ("%s Unable to get timezone from GeoClue: %s", G_STRFUNC, error->message);
+      g_error_free (error);
+    }
+  else
+    {
+      IndicatorDatetimeTimezoneGeoclue * self = INDICATOR_DATETIME_TIMEZONE_GEOCLUE (gself);
+      const char * timezone = g_hash_table_lookup (addy_data, "timezone");
+      set_timezone (self, timezone);
+    }
+}
+
+static void
+on_address_created (GeoclueMasterClient * master,
+                    GeoclueAddress      * address,
+                    GError              * error,
+                    gpointer              gself)
+{
+  if (error != NULL)
+    {
+      g_warning ("%s Unable to get timezone from GeoClue: %s", G_STRFUNC, error->message);
+      g_error_free (error);
+    }
+  else
+    {
+      priv_t * p = INDICATOR_DATETIME_TIMEZONE_GEOCLUE(gself)->priv;
+
+      g_assert (p->address == NULL);
+      p->address = g_object_ref (address);
+
+      geoclue_address_get_address_async (address, on_address_changed, gself);
+      g_signal_connect (address, "address-changed", G_CALLBACK(on_address_changed), gself);
+    }
+}
+
+static void
+on_requirements_set (GeoclueMasterClient * master, GError * error, gpointer user_data)
+{
+  if (error != NULL)
+    {
+      g_warning ("%s Unable to get timezone from GeoClue: %s", G_STRFUNC, error->message);
+      g_error_free (error);
+    }
+}
+
+static void
+on_client_created (GeoclueMaster        * master,
+                   GeoclueMasterClient  * client,
+                   gchar                * path,
+                   GError               * error,
+                   gpointer               gself)
+{
+  g_debug ("Created Geoclue client at: %s", path);
+
+  if (error != NULL)
+    {
+      g_warning ("%s Unable to get timezone from GeoClue: %s", G_STRFUNC, error->message);
+      g_error_free (error);
+    }
+  else if (client == NULL)
+    {
+      g_warning ("%s Unable to get timezone from GeoClue: %s", G_STRFUNC, error->message);
+    }
+  else
+    {
+      IndicatorDatetimeTimezoneGeoclue * self = INDICATOR_DATETIME_TIMEZONE_GEOCLUE (gself);
+      priv_t * p = self->priv;
+
+      g_clear_object (&p->client);
+      p->client = g_object_ref (client);
+      g_signal_connect_swapped (p->client, "invalidated", G_CALLBACK(geo_restart), gself);
+
+      geoclue_master_client_set_requirements_async (p->client,
+                                                    GEOCLUE_ACCURACY_LEVEL_REGION,
+                                                    0,
+                                                    FALSE,
+                                                    GEOCLUE_RESOURCE_ALL,
+                                                    on_requirements_set,
+                                                    NULL);
+
+      geoclue_master_client_create_address_async (p->client, on_address_created, gself);
+    }
+}
+
+static void
+geo_start (IndicatorDatetimeTimezoneGeoclue * self)
+{
+  priv_t * p = self->priv;
+
+  g_assert (p->master == NULL);
+  p->master = geoclue_master_get_default ();
+  geoclue_master_create_client_async (p->master, on_client_created, self);
+}
+
+static void
+geo_stop (IndicatorDatetimeTimezoneGeoclue * self)
+{
+  priv_t * p = self->priv;
+
+  if (p->address != NULL)
+    {
+      g_signal_handlers_disconnect_by_func (p->address, on_address_changed, self);
+      g_clear_object (&p->address);
+    }
+
+  if (p->client != NULL)
+    {
+      g_signal_handlers_disconnect_by_func (p->client, geo_restart, self);
+      g_clear_object (&p->client);
+    }
+
+  g_clear_object (&p->master);
+}
+
+static void
+geo_restart (IndicatorDatetimeTimezoneGeoclue * self)
+{
+  geo_stop (self);
+  geo_start (self);
+}
+
+/***
+****
+***/
+
+static const char *
+my_get_timezone (IndicatorDatetimeTimezone * self)
+{
+  return INDICATOR_DATETIME_TIMEZONE_GEOCLUE(self)->priv->timezone;
+}
+
+static void
+my_dispose (GObject * o)
+{
+  geo_stop (INDICATOR_DATETIME_TIMEZONE_GEOCLUE (o));
+
+  G_OBJECT_CLASS (indicator_datetime_timezone_geoclue_parent_class)->dispose (o);
+}
+
+static void
+my_finalize (GObject * o)
+{
+  IndicatorDatetimeTimezoneGeoclue * self = INDICATOR_DATETIME_TIMEZONE_GEOCLUE (o);
+  priv_t * p = self->priv;
+
+  g_free (p->timezone);
+
+  G_OBJECT_CLASS (indicator_datetime_timezone_geoclue_parent_class)->finalize (o);
+}
+
+static void
+indicator_datetime_timezone_geoclue_class_init (IndicatorDatetimeTimezoneGeoclueClass * klass)
+{
+  GObjectClass * object_class;
+  IndicatorDatetimeTimezoneClass * location_class;
+
+  object_class = G_OBJECT_CLASS (klass);
+  object_class->dispose = my_dispose;
+  object_class->finalize = my_finalize;
+
+  location_class = INDICATOR_DATETIME_TIMEZONE_CLASS (klass);
+  location_class->get_timezone = my_get_timezone;
+
+  g_type_class_add_private (klass, sizeof (IndicatorDatetimeTimezoneGeocluePriv));
+}
+
+static void
+indicator_datetime_timezone_geoclue_init (IndicatorDatetimeTimezoneGeoclue * self)
+{
+  priv_t * p;
+
+  p = G_TYPE_INSTANCE_GET_PRIVATE (self,
+                                   INDICATOR_TYPE_DATETIME_TIMEZONE_GEOCLUE,
+                                   IndicatorDatetimeTimezoneGeocluePriv);
+  self->priv = p;
+
+  geo_start (self);
+}
+
+/***
+****  Public
+***/
+
+IndicatorDatetimeTimezone *
+indicator_datetime_timezone_geoclue_new (void)
+{
+  gpointer o = g_object_new (INDICATOR_TYPE_DATETIME_TIMEZONE_GEOCLUE, NULL);
+
+  return INDICATOR_DATETIME_TIMEZONE (o);
+}