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authorMichael Terry <mike@mterry.name>2011-01-13 16:05:26 -0600
committerMichael Terry <mike@mterry.name>2011-01-13 16:05:26 -0600
commit084d3e8ce7252629d9714179246ebb1b4b9af0ad (patch)
tree5370e3b75a31d94c98b68b5c0f2d5c0f317168c5 /libindicator/indicator-service-manager.c
parent4098f740513bcf736fc75f86d7245f49499c90dc (diff)
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use actual DBus NameOwnerChanged interface rather than GDBus's higher level signal because that one only works for well-known names
Diffstat (limited to 'libindicator/indicator-service-manager.c')
-rw-r--r--libindicator/indicator-service-manager.c43
1 files changed, 34 insertions, 9 deletions
diff --git a/libindicator/indicator-service-manager.c b/libindicator/indicator-service-manager.c
index 34b6baa..f3a29d0 100644
--- a/libindicator/indicator-service-manager.c
+++ b/libindicator/indicator-service-manager.c
@@ -46,6 +46,7 @@ struct _IndicatorServiceManagerPrivate {
gchar * name;
GDBusProxy * service_proxy;
GCancellable * service_proxy_cancel;
+ guint name_watcher;
gboolean connected;
guint this_service_version;
guint restart_count;
@@ -102,7 +103,7 @@ static void start_service (IndicatorServiceManager * service);
static void start_service_again (IndicatorServiceManager * manager);
static void unwatch (GDBusProxy * proxy);
static void service_proxy_cb (GObject * object, GAsyncResult * res, gpointer user_data);
-static void service_proxy_name_change (GObject * object, GParamSpec * pspec, gpointer user_data);
+static void service_proxy_name_changed (GDBusConnection * connection, const gchar * sender_name, const gchar * object_path, const gchar * interface_name, const gchar * signal_name, GVariant * parameters, gpointer user_data);
G_DEFINE_TYPE (IndicatorServiceManager, indicator_service_manager, G_TYPE_OBJECT);
@@ -186,6 +187,7 @@ indicator_service_manager_init (IndicatorServiceManager *self)
priv->name = NULL;
priv->service_proxy = NULL;
priv->service_proxy_cancel = NULL;
+ priv->name_watcher = 0;
priv->connected = FALSE;
priv->this_service_version = 0;
priv->restart_count = 0;
@@ -218,6 +220,12 @@ indicator_service_manager_dispose (GObject *object)
g_signal_emit(object, signals[CONNECTION_CHANGE], 0, FALSE, TRUE);
}
+ if (priv->name_watcher != 0) {
+ g_dbus_connection_signal_unsubscribe(g_dbus_proxy_get_connection(priv->service_proxy),
+ priv->name_watcher);
+ priv->name_watcher = 0;
+ }
+
/* If we're still getting the proxy, stop looking so we
can then clean up some more. */
if (priv->service_proxy_cancel != NULL) {
@@ -442,7 +450,7 @@ start_service (IndicatorServiceManager * service)
return;
}
-/* Callback from trying to create the proxy for the serivce, this
+/* Callback from trying to create the proxy for the service, this
could include starting the service. Sometime it'll fail and
we'll try to start that dang service again! */
static void
@@ -486,7 +494,17 @@ service_proxy_cb (GObject * object, GAsyncResult * res, gpointer user_data)
priv->service_proxy = proxy;
/* Signal for drop */
- g_signal_connect(G_OBJECT(priv->service_proxy), "notify::g-name-owner", G_CALLBACK(service_proxy_name_change), user_data);
+ priv->name_watcher = g_dbus_connection_signal_subscribe(
+ g_dbus_proxy_get_connection(proxy),
+ "org.freedesktop.DBus",
+ "org.freedesktop.DBus",
+ "NameOwnerChanged",
+ "/org/freedesktop/DBus",
+ g_dbus_proxy_get_name(proxy),
+ G_DBUS_SIGNAL_FLAGS_NONE,
+ service_proxy_name_changed,
+ user_data,
+ NULL);
/* Build cancelable if we need it */
if (priv->watch_cancel == NULL) {
@@ -510,12 +528,18 @@ service_proxy_cb (GObject * object, GAsyncResult * res, gpointer user_data)
usually means the service died. We're dropping the proxy
and recreating it so that it'll restart the service. */
static void
-service_proxy_name_change (GObject * object, GParamSpec * pspec, gpointer user_data)
+service_proxy_name_changed (GDBusConnection * connection, const gchar * sender_name,
+ const gchar * object_path, const gchar * interface_name,
+ const gchar * signal_name, GVariant * parameters,
+ gpointer user_data)
+
{
IndicatorServiceManagerPrivate * priv = INDICATOR_SERVICE_MANAGER_GET_PRIVATE(user_data);
- gchar * name = g_dbus_proxy_get_name_owner(priv->service_proxy);
- if (name == NULL) {
+ const gchar * new_name;
+ g_variant_get(parameters, "(&s&s&s)", NULL, NULL, &new_name);
+
+ if (new_name == NULL || new_name[0] == 0) {
if (priv->connected) {
priv->connected = FALSE;
g_signal_emit(G_OBJECT(user_data), signals[CONNECTION_CHANGE], 0, FALSE, TRUE);
@@ -523,9 +547,10 @@ service_proxy_name_change (GObject * object, GParamSpec * pspec, gpointer user_d
start_service_again(INDICATOR_SERVICE_MANAGER(user_data));
} else {
- /* This case is an oddity, and really can only be a weird race
- condition. So we're going to ignore it for now. */
- g_free(name);
+ if (!priv->connected) {
+ priv->connected = TRUE;
+ g_signal_emit(G_OBJECT(user_data), signals[CONNECTION_CHANGE], 0, TRUE, TRUE);
+ }
}
return;