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-rw-r--r--src/timezone-geoclue.cpp248
1 files changed, 248 insertions, 0 deletions
diff --git a/src/timezone-geoclue.cpp b/src/timezone-geoclue.cpp
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+++ b/src/timezone-geoclue.cpp
@@ -0,0 +1,248 @@
+/*
+ * 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 <datetime/timezone-geoclue.h>
+
+#define GEOCLUE_BUS_NAME "org.freedesktop.Geoclue.Master"
+
+namespace unity {
+namespace indicator {
+namespace datetime {
+
+
+GeoclueTimezone::GeoclueTimezone():
+ cancellable_(g_cancellable_new())
+{
+ g_bus_get(G_BUS_TYPE_SESSION, cancellable_, on_bus_got, this);
+}
+
+GeoclueTimezone::~GeoclueTimezone()
+{
+ g_cancellable_cancel(cancellable_);
+ g_object_unref(cancellable_);
+
+ if (signal_subscription_)
+ g_dbus_connection_signal_unsubscribe(connection_, signal_subscription_);
+
+ g_object_unref(connection_);
+}
+
+/***
+****
+***/
+
+void
+GeoclueTimezone::on_bus_got(GObject * source G_GNUC_UNUSED, GAsyncResult * res, gpointer gself)
+{
+ GError * error;
+ GDBusConnection * connection;
+
+ error = nullptr;
+ connection = g_bus_get_finish(res, &error);
+ if (error)
+ {
+ if (!g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+ g_warning("Couldn't get bus: %s", error->message);
+
+ g_error_free(error);
+ }
+ else
+ {
+ auto self = static_cast<GeoclueTimezone*>(gself);
+
+ self->connection_ = connection;
+
+ g_dbus_connection_call(self->connection_,
+ GEOCLUE_BUS_NAME,
+ "/org/freedesktop/Geoclue/Master",
+ "org.freedesktop.Geoclue.Master",
+ "Create",
+ nullptr, // parameters
+ G_VARIANT_TYPE("(o)"),
+ G_DBUS_CALL_FLAGS_NONE,
+ -1,
+ self->cancellable_,
+ on_client_created,
+ self);
+ }
+}
+
+void
+GeoclueTimezone::on_client_created(GObject * source, GAsyncResult * res, gpointer gself)
+{
+ GVariant * result;
+
+ if ((result = call_finish(source, res)))
+ {
+ auto self = static_cast<GeoclueTimezone*>(gself);
+
+ GVariant * child = g_variant_get_child_value(result, 0);
+ self->client_object_path_ = g_variant_get_string(child, nullptr);
+ g_variant_unref(child);
+ g_variant_unref(result);
+
+ self->signal_subscription_ = g_dbus_connection_signal_subscribe(
+ self->connection_,
+ GEOCLUE_BUS_NAME,
+ "org.freedesktop.Geoclue.Address", // inteface
+ "AddressChanged", // signal name
+ self->client_object_path_.c_str(), // object path
+ nullptr, // arg0
+ G_DBUS_SIGNAL_FLAGS_NONE,
+ on_address_changed,
+ self,
+ nullptr);
+
+ g_dbus_connection_call(self->connection_,
+ GEOCLUE_BUS_NAME,
+ self->client_object_path_.c_str(),
+ "org.freedesktop.Geoclue.MasterClient",
+ "SetRequirements",
+ g_variant_new("(iibi)", 2, 0, FALSE, 1023),
+ nullptr,
+ G_DBUS_CALL_FLAGS_NONE,
+ -1,
+ self->cancellable_,
+ on_requirements_set,
+ self);
+ }
+}
+
+void
+GeoclueTimezone::on_address_changed(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,
+ gpointer gself)
+{
+ static_cast<GeoclueTimezone*>(gself)->setTimezoneFromAddressVariant(parameters);
+}
+
+void
+GeoclueTimezone::on_requirements_set(GObject * source, GAsyncResult * res, gpointer gself)
+{
+ GVariant * result;
+
+ if ((result = call_finish(source, res)))
+ {
+ auto self = static_cast<GeoclueTimezone*>(gself);
+
+ g_dbus_connection_call(self->connection_,
+ GEOCLUE_BUS_NAME,
+ self->client_object_path_.c_str(),
+ "org.freedesktop.Geoclue.MasterClient",
+ "AddressStart",
+ nullptr,
+ nullptr,
+ G_DBUS_CALL_FLAGS_NONE,
+ -1,
+ self->cancellable_,
+ on_address_started,
+ self);
+
+ g_variant_unref(result);
+ }
+}
+
+void
+GeoclueTimezone::on_address_started(GObject * source, GAsyncResult * res, gpointer gself)
+{
+ GVariant * result;
+
+ if ((result = call_finish(source, res)))
+ {
+ auto self = static_cast<GeoclueTimezone*>(gself);
+
+ g_dbus_connection_call(self->connection_,
+ GEOCLUE_BUS_NAME,
+ self->client_object_path_.c_str(),
+ "org.freedesktop.Geoclue.Address",
+ "GetAddress",
+ nullptr,
+ G_VARIANT_TYPE("(ia{ss}(idd))"),
+ G_DBUS_CALL_FLAGS_NONE,
+ -1,
+ self->cancellable_,
+ on_address_got,
+ self);
+
+ g_variant_unref(result);
+ }
+}
+
+void
+GeoclueTimezone::on_address_got(GObject * source, GAsyncResult * res, gpointer gself)
+{
+ GVariant * result;
+
+ if ((result = call_finish(source, res)))
+ {
+ static_cast<GeoclueTimezone*>(gself)->setTimezoneFromAddressVariant(result);
+ g_variant_unref(result);
+ }
+}
+
+void
+GeoclueTimezone::setTimezoneFromAddressVariant(GVariant * variant)
+{
+ g_return_if_fail(g_variant_is_of_type(variant, G_VARIANT_TYPE("(ia{ss}(idd))")));
+
+ const gchar * timezone_string = nullptr;
+ GVariant * dict = g_variant_get_child_value(variant, 1);
+ if (dict)
+ {
+ if (g_variant_lookup(dict, "timezone", "&s", &timezone_string))
+ timezone.set(timezone_string);
+
+ g_variant_unref(dict);
+ }
+}
+
+GVariant*
+GeoclueTimezone::call_finish(GObject * source, GAsyncResult * res)
+{
+ GError * error;
+ GVariant * result;
+
+ error = nullptr;
+ result = g_dbus_connection_call_finish(G_DBUS_CONNECTION(source), res, &error);
+
+ if (error)
+ {
+ if (!g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+ g_warning("AddressStart() failed: %s", error->message);
+
+ g_error_free(error);
+
+ g_clear_pointer(&result, g_variant_unref);
+ }
+
+ return result;
+}
+
+/****
+*****
+****/
+
+} // namespace datetime
+} // namespace indicator
+} // namespace unity
+