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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <dbus/dbus-glib-bindings.h>
#include "indicator-service.h"
/* Private Stuff */
typedef struct _IndicatorServicePrivate IndicatorServicePrivate;
struct _IndicatorServicePrivate {
gchar * name;
DBusGProxy * dbus_proxy;
};
/* Signals Stuff */
enum {
SHUTDOWN,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
/* Properties */
/* Enum for the properties so that they can be quickly
found and looked up. */
enum {
PROP_0,
PROP_NAME,
};
/* The strings so that they can be slowly looked up. */
#define PROP_NAME_S "name"
/* GObject Stuff */
#define INDICATOR_SERVICE_GET_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE ((o), INDICATOR_SERVICE_TYPE, IndicatorServicePrivate))
static void indicator_service_class_init (IndicatorServiceClass *klass);
static void indicator_service_init (IndicatorService *self);
static void indicator_service_dispose (GObject *object);
static void indicator_service_finalize (GObject *object);
/* Other prototypes */
static void set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec);
static void get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec);
static void try_and_get_name (IndicatorService * service);
G_DEFINE_TYPE (IndicatorService, indicator_service, G_TYPE_OBJECT);
static void
indicator_service_class_init (IndicatorServiceClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (klass, sizeof (IndicatorServicePrivate));
object_class->dispose = indicator_service_dispose;
object_class->finalize = indicator_service_finalize;
/* Property funcs */
object_class->set_property = set_property;
object_class->get_property = get_property;
/* Properties */
g_object_class_install_property(object_class, PROP_NAME,
g_param_spec_string(PROP_NAME_S,
"The DBus name for this service",
"This is the name that should be used on DBus for this service.",
NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* Signals */
/**
IndicatorService::shutdown:
@arg0: The #IndicatorService object
Signaled when the service should shutdown as no one
is listening anymore.
*/
signals[SHUTDOWN] = g_signal_new (INDICATOR_SERVICE_SIGNAL_SHUTDOWN,
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (IndicatorServiceClass, shutdown),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0, G_TYPE_NONE);
return;
}
static void
indicator_service_init (IndicatorService *self)
{
IndicatorServicePrivate * priv = INDICATOR_SERVICE_GET_PRIVATE(self);
/* Get the private variables in a decent state */
priv->name = NULL;
priv->dbus_proxy = NULL;
/* Start talkin' dbus */
GError * error = NULL;
DBusGConnection * session_bus = dbus_g_bus_get(DBUS_BUS_SESSION, &error);
if (error != NULL) {
g_error("Unable to get session bus: %s", error->message);
g_error_free(error);
return;
}
priv->dbus_proxy = dbus_g_proxy_new_for_name_owner(session_bus,
DBUS_SERVICE_DBUS,
DBUS_PATH_DBUS,
DBUS_INTERFACE_DBUS,
&error);
if (error != NULL) {
g_error("Unable to get the proxy to DBus: %s", error->message);
g_error_free(error);
return;
}
return;
}
static void
indicator_service_dispose (GObject *object)
{
IndicatorServicePrivate * priv = INDICATOR_SERVICE_GET_PRIVATE(object);
if (priv->dbus_proxy != NULL) {
g_object_unref(G_OBJECT(priv->dbus_proxy));
priv->dbus_proxy = NULL;
}
G_OBJECT_CLASS (indicator_service_parent_class)->dispose (object);
return;
}
static void
indicator_service_finalize (GObject *object)
{
IndicatorServicePrivate * priv = INDICATOR_SERVICE_GET_PRIVATE(object);
if (priv->name) {
g_free(priv->name);
}
G_OBJECT_CLASS (indicator_service_parent_class)->finalize (object);
return;
}
static void
set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
{
IndicatorService * self = INDICATOR_SERVICE(object);
g_return_if_fail(self != NULL);
IndicatorServicePrivate * priv = INDICATOR_SERVICE_GET_PRIVATE(self);
g_return_if_fail(priv != NULL);
switch (prop_id) {
/* *********************** */
case PROP_NAME:
if (G_VALUE_HOLDS_STRING(value)) {
if (priv->name != NULL) {
g_error("Name can not be set twice!");
return;
}
priv->name = g_value_dup_string(value);
try_and_get_name(self);
} else {
g_warning("Name is a string bud.");
}
break;
/* *********************** */
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
return;
}
static void
get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
{
IndicatorService * self = INDICATOR_SERVICE(object);
g_return_if_fail(self != NULL);
IndicatorServicePrivate * priv = INDICATOR_SERVICE_GET_PRIVATE(self);
g_return_if_fail(priv != NULL);
switch (prop_id) {
/* *********************** */
case PROP_NAME:
if (G_VALUE_HOLDS_STRING(value)) {
g_value_set_string(value, priv->name);
} else {
g_warning("Name is a string bud.");
}
break;
/* *********************** */
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
return;
}
static void
try_and_get_name_cb (DBusGProxy * proxy, guint status, GError * error, gpointer data)
{
IndicatorService * service = INDICATOR_SERVICE(data);
g_return_if_fail(service != NULL);
if (status != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER && status != DBUS_REQUEST_NAME_REPLY_ALREADY_OWNER) {
/* The already owner seems like it shouldn't ever
happen, but I have a hard time throwing an error
on it as we did achieve our goals. */
g_signal_emit(G_OBJECT(data), signals[SHUTDOWN], 0, TRUE);
return;
}
return;
}
static void
try_and_get_name (IndicatorService * service)
{
IndicatorServicePrivate * priv = INDICATOR_SERVICE_GET_PRIVATE(service);
g_return_if_fail(priv->dbus_proxy != NULL);
g_return_if_fail(priv->name != NULL);
org_freedesktop_DBus_request_name_async(priv->dbus_proxy,
priv->name,
DBUS_NAME_FLAG_DO_NOT_QUEUE,
try_and_get_name_cb,
service);
return;
}
/* API */
/**
indicator_service_new:
@name: The name for the service on dbus
This function creates the service on DBus and tries to
get a well-known name specified in @name. If the name
can't be estabilished then the #IndicatorService::shutdown
signal will be sent.
Return value: A brand new #IndicatorService object or #NULL
if there is an error.
*/
IndicatorService *
indicator_service_new (gchar * name)
{
GObject * obj = g_object_new(INDICATOR_SERVICE_TYPE,
PROP_NAME_S, name,
NULL);
return INDICATOR_SERVICE(obj);
}
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