[RFC PATCH 3/8] iwd: Emit known-networks-changed signals from NMIwdManager

[Andrew Zaborowski <andrew zaborowski intel com>]

Emit a signal when NMIwdManager learns that a KnownNetwork has been
added or removed and when the list has been initially loaded.
---
 src/devices/wifi/nm-iwd-manager.c | 26 ++++++++++++++++++++++++++
 src/devices/wifi/nm-iwd-manager.h |  3 +++
 2 files changed, 29 insertions(+)

diff --git a/src/devices/wifi/nm-iwd-manager.c b/src/devices/wifi/nm-iwd-manager.c
index 2da6db0e4..8897f43a4 100644
--- a/src/devices/wifi/nm-iwd-manager.c
+++ b/src/devices/wifi/nm-iwd-manager.c
@@ -33,6 +33,14 @@
 
 /*****************************************************************************/
 
+enum {
+       KNOWN_NETWORKS_CHANGED,
+
+       LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
 typedef struct {
        NMManager *manager;
        GCancellable *cancellable;
@@ -412,6 +420,8 @@ next:
 
        g_variant_iter_free (networks);
 
+       g_signal_emit (self, signals[KNOWN_NETWORKS_CHANGED], 0, priv->known_networks);
+
        /* For completness we may want to call nm_device_emit_recheck_auto_activate
         * and nm_device_recheck_available_connections for all affected devices
         * now but the ListKnownNetworks call should have been really fast,
@@ -468,6 +478,12 @@ name_owner_changed (GObject *object, GParamSpec *pspec, gpointer user_data)
                                                               NULL);
                        }
                }
+
+               if (priv->known_networks) {
+                       g_slist_free_full (priv->known_networks, (GDestroyNotify) known_network_free);
+                       priv->known_networks = NULL;
+                       g_signal_emit (self, signals[KNOWN_NETWORKS_CHANGED], 0, NULL);
+               }
        }
 }
 
@@ -619,6 +635,8 @@ nm_iwd_manager_network_connected (NMIwdManager *self, const gchar *name,
        network_data->name = g_strdup (name);
        network_data->security = security;
        priv->known_networks = g_slist_append (priv->known_networks, network_data);
+
+       g_signal_emit (self, signals[KNOWN_NETWORKS_CHANGED], 0, priv->known_networks);
 }
 
 /*****************************************************************************/
@@ -685,4 +703,12 @@ nm_iwd_manager_class_init (NMIwdManagerClass *klass)
        GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
        object_class->dispose = dispose;
+
+       signals[KNOWN_NETWORKS_CHANGED] =
+           g_signal_new (NM_IWD_MANAGER_KNOWN_NETWORKS_CHANGED,
+                         G_OBJECT_CLASS_TYPE (object_class),
+                         G_SIGNAL_RUN_FIRST,
+                         0, NULL, NULL, NULL,
+                         G_TYPE_NONE, 1,
+                         G_TYPE_POINTER);
 }
diff --git a/src/devices/wifi/nm-iwd-manager.h b/src/devices/wifi/nm-iwd-manager.h
index 80b430f0f..96b5e2c26 100644
--- a/src/devices/wifi/nm-iwd-manager.h
+++ b/src/devices/wifi/nm-iwd-manager.h
@@ -55,6 +55,9 @@ typedef struct {
 #define NM_IS_IWD_MANAGER_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass),  NM_TYPE_IWD_MANAGER))
 #define NM_IWD_MANAGER_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj),  NM_TYPE_IWD_MANAGER, 
NMIwdManagerClass))
 
+/* signals */
+#define NM_IWD_MANAGER_KNOWN_NETWORKS_CHANGED "known-networks-changed"
+
 typedef struct _NMIwdManager NMIwdManager;
 typedef struct _NMIwdManagerClass NMIwdManagerClass;
 
-- 
2.14.1