/*
* empathy-geoclue-helper.c
*
* Copyright (C) 2013 Collabora Ltd. <http://www.collabora.co.uk/>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include <gio/gio.h>
#include "empathy-geoclue-helper.h"
#define DEBUG_FLAG EMPATHY_DEBUG_LOCATION
#include "empathy-debug.h"
#define GEOCLUE_BUS_NAME "org.freedesktop.GeoClue2"
/**
* SECTION: empathy-geoclue-helper
* @title: EmpathyGeoclueHelper
* @short_description: TODO
*
* TODO
*/
/**
* EmpathyGeoclueHelper:
*
* Data structure representing a #EmpathyGeoclueHelper.
*
* Since: UNRELEASED
*/
/**
* EmpathyGeoclueHelperClass:
*
* The class of a #EmpathyGeoclueHelper.
*
* Since: UNRELEASED
*/
static void async_initable_iface_init (GAsyncInitableIface *iface);
G_DEFINE_TYPE_WITH_CODE (EmpathyGeoclueHelper, empathy_geoclue_helper,
G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_ASYNC_INITABLE, async_initable_iface_init));
enum
{
PROP_DISTANCE_THRESHOLD = 1,
PROP_LOCATION,
N_PROPS
};
enum
{
SIG_LOCATION_CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
struct _EmpathyGeoclueHelperPriv
{
guint distance_threshold;
GClueLocation *location;
gboolean started;
GClueClient *client;
};
static void
empathy_geoclue_helper_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
EmpathyGeoclueHelper *self = EMPATHY_GEOCLUE_HELPER (object);
switch (property_id)
{
case PROP_DISTANCE_THRESHOLD:
g_value_set_uint (value, self->priv->distance_threshold);
break;
case PROP_LOCATION:
g_value_set_object (value, self->priv->location);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
empathy_geoclue_helper_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
EmpathyGeoclueHelper *self = EMPATHY_GEOCLUE_HELPER (object);
switch (property_id)
{
case PROP_DISTANCE_THRESHOLD:
self->priv->distance_threshold = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
empathy_geoclue_helper_constructed (GObject *object)
{
//EmpathyGeoclueHelper *self = EMPATHY_GEOCLUE_HELPER (object);
void (*chain_up) (GObject *) =
((GObjectClass *) empathy_geoclue_helper_parent_class)->constructed;
chain_up (object);
}
static void
empathy_geoclue_helper_dispose (GObject *object)
{
EmpathyGeoclueHelper *self = EMPATHY_GEOCLUE_HELPER (object);
void (*chain_up) (GObject *) =
((GObjectClass *) empathy_geoclue_helper_parent_class)->dispose;
if (self->priv->started)
{
gclue_client_call_stop (self->priv->client, NULL, NULL, NULL);
self->priv->started = FALSE;
}
g_clear_object (&self->priv->location);
g_clear_object (&self->priv->client);
chain_up (object);
}
static void
empathy_geoclue_helper_finalize (GObject *object)
{
//EmpathyGeoclueHelper *self = EMPATHY_GEOCLUE_HELPER (object);
void (*chain_up) (GObject *) =
((GObjectClass *) empathy_geoclue_helper_parent_class)->finalize;
chain_up (object);
}
static void
empathy_geoclue_helper_class_init (
EmpathyGeoclueHelperClass *klass)
{
GObjectClass *oclass = G_OBJECT_CLASS (klass);
GParamSpec *spec;
oclass->get_property = empathy_geoclue_helper_get_property;
oclass->set_property = empathy_geoclue_helper_set_property;
oclass->constructed = empathy_geoclue_helper_constructed;
oclass->dispose = empathy_geoclue_helper_dispose;
oclass->finalize = empathy_geoclue_helper_finalize;
/**
* EmpathyGeoclueHelper:distance-threshold:
*
* TODO
*
* Since: UNRELEASED
*/
spec = g_param_spec_uint ("distance-threshold", "distance-threshold",
"DistanceThreshold",
0, G_MAXUINT32, 0,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (oclass, PROP_DISTANCE_THRESHOLD, spec);
/**
* EmpathyGeoclueHelper:location:
*
* TODO
*
* Since: UNRELEASED
*/
spec = g_param_spec_object ("location", "location", "GClueLocation",
GCLUE_TYPE_LOCATION,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (oclass, PROP_LOCATION, spec);
/**
* EmpathyGeoclueHelper::location-changed:
* @self: a #EmpathyGeoclueHelper
*
* TODO
*
* Since: UNRELEASED
*/
signals[SIG_LOCATION_CHANGED] = g_signal_new ("location-changed",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE,
1, GCLUE_TYPE_LOCATION);
g_type_class_add_private (klass, sizeof (EmpathyGeoclueHelperPriv));
}
static void
empathy_geoclue_helper_init (EmpathyGeoclueHelper *self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
EMPATHY_TYPE_GEOCLUE_HELPER, EmpathyGeoclueHelperPriv);
}
static void
location_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
EmpathyGeoclueHelper *self = user_data;
GError *error = NULL;
g_clear_object (&self->priv->location);
self->priv->location = gclue_location_proxy_new_finish (result, &error);
if (self->priv->location == NULL)
{
DEBUG ("Failed to create Location proxy: %s", error->message);
g_error_free (error);
}
g_signal_emit (self, signals[SIG_LOCATION_CHANGED], 0, self->priv->location);
g_object_notify (G_OBJECT (self), "location");
}
static void
location_updated_cb (GClueClient *client,
const gchar *old,
const gchar *new,
EmpathyGeoclueHelper *self)
{
gclue_location_proxy_new_for_bus (G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE,
GEOCLUE_BUS_NAME, new,
NULL, location_cb, self);
}
static void
client_start_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GTask *task = user_data;
EmpathyGeoclueHelper *self = g_task_get_source_object (task);
GClueClient *client = GCLUE_CLIENT (source);
GError *error = NULL;
if (!gclue_client_call_start_finish (client, result, &error))
{
DEBUG ("Failed to start Geoclue client: %s", error->message);
g_error_free (error);
return;
}
self->priv->started = TRUE;
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}
static void
client_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GTask *task = user_data;
EmpathyGeoclueHelper *self = g_task_get_source_object (task);
GError *error = NULL;
self->priv->client = gclue_client_proxy_new_finish (result, &error);
if (!gclue_client_proxy_new_for_bus_finish (result, &error))
{
DEBUG ("Failed to create Geoclue client: %s", error->message);
g_task_return_error (task, error);
goto out;
}
g_signal_connect_object (self->priv->client, "location-updated",
G_CALLBACK (location_updated_cb), self, 0);
g_object_set (self->priv->client,
"distance-threshold", self->priv->distance_threshold,
NULL);
g_task_return_boolean (task, TRUE);
out:
g_object_unref (task);
}
static void
get_client_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GTask *task = user_data;
GError *error = NULL;
gchar *path;
if (!gclue_manager_call_get_client_finish (GCLUE_MANAGER (source), &path,
result, &error))
{
DEBUG ("GetClient failed: %s", error->message);
g_task_return_error (task, error);
g_object_unref (task);
return;
}
gclue_client_proxy_new_for_bus (G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE,
GEOCLUE_BUS_NAME, path, NULL, client_cb, task);
g_free (path);
}
static void
manager_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GTask *task = user_data;
GError *error = NULL;
GClueManager *mgr;
mgr = gclue_manager_proxy_new_for_bus_finish (result, &error);
if (mgr == NULL)
{
DEBUG ("Failed to create Geoclue manager: %s", error->message);
g_task_return_error (task, error);
g_object_unref (task);
return;
}
gclue_manager_call_get_client (mgr, NULL, get_client_cb, task);
g_object_unref (mgr);
}
void
empathy_geoclue_helper_start_async (EmpathyGeoclueHelper *self,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *task;
task = g_task_new (self, NULL, callback, user_data);
if (self->priv->started)
{
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return;
}
gclue_client_call_start (self->priv->client, NULL, client_start_cb, task);
}
gboolean
empathy_geoclue_helper_start_finish (EmpathyGeoclueHelper *self,
GAsyncResult *result,
GError **error)
{
g_return_val_if_fail (g_task_is_valid (result, self), FALSE);
return g_task_propagate_boolean (G_TASK (result), error);
}
GClueLocation *
empathy_geoclue_helper_get_location (EmpathyGeoclueHelper *self)
{
return self->priv->location;
}
static void
empathy_geoclue_helper_init_async (GAsyncInitable *initable,
gint io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *task;
task = g_task_new (initable, cancellable, callback, user_data);
gclue_manager_proxy_new_for_bus (G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE,
GEOCLUE_BUS_NAME, "/org/freedesktop/GeoClue2/Manager",
NULL, manager_cb, task);
}
static gboolean
empathy_geoclue_helper_init_finish (GAsyncInitable *initable,
GAsyncResult *result,
GError **error)
{
g_return_val_if_fail (g_task_is_valid (result, initable), FALSE);
return g_task_propagate_boolean (G_TASK (result), error);
}
static void
async_initable_iface_init (GAsyncInitableIface *iface)
{
iface->init_async = empathy_geoclue_helper_init_async;
iface->init_finish = empathy_geoclue_helper_init_finish;
}
void
empathy_geoclue_helper_new_async (guint distance_threshold,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_async_initable_new_async (EMPATHY_TYPE_GEOCLUE_HELPER,
G_PRIORITY_DEFAULT, NULL, callback, user_data,
"distance-threshold", distance_threshold,
NULL);
}
EmpathyGeoclueHelper *
empathy_geoclue_helper_new_finish (GAsyncResult *result,
GError **error)
{
GObject *object, *source_object;
source_object = g_async_result_get_source_object (result);
object = g_async_initable_new_finish (G_ASYNC_INITABLE (source_object),
result, error);
g_object_unref (source_object);
if (object != NULL)
return EMPATHY_GEOCLUE_HELPER (object);
else
return NULL;
}
static void
new_started_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
EmpathyGeoclueHelper *self = EMPATHY_GEOCLUE_HELPER (source);
GTask *new_started_task = user_data;
GError *error = NULL;
if (!empathy_geoclue_helper_start_finish (self, result, &error))
{
g_task_return_error (new_started_task, error);
g_object_unref (self);
goto out;
}
/* pass ownership of self to g_task_return_error */
g_task_return_pointer (new_started_task, self, g_object_unref);
out:
g_object_unref (new_started_task);
}
static void
new_started_init_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GTask *new_started_task = user_data;
EmpathyGeoclueHelper *self;
GError *error = NULL;
self = empathy_geoclue_helper_new_finish (result, &error);
if (self == NULL)
{
g_task_return_error (new_started_task, error);
g_object_unref (new_started_task);
return;
}
/* Pass owernship of 'self' to new_started_cb */
empathy_geoclue_helper_start_async (self, new_started_cb, new_started_task);
}
void
empathy_geoclue_helper_new_started_async (guint distance_threshold,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *new_started_task;
new_started_task = g_task_new (NULL, NULL, callback, user_data);
empathy_geoclue_helper_new_async (distance_threshold, new_started_init_cb,
new_started_task);
}
EmpathyGeoclueHelper *
empathy_geoclue_helper_new_started_finish (GAsyncResult *result,
GError **error)
{
g_return_val_if_fail (g_task_is_valid (result, NULL), NULL);
return g_task_propagate_pointer (G_TASK (result), error);
}
