NetworkMenu: don't show hidden access points

It is not possible to connect to hidden access points without
knowing the SSID, and it should be done using the control center
panel and the appropriate dialog. At the same time, this should
fix some warnings from libnm-glib and dbus-glib.

https://bugzilla.gnome.org/show_bug.cgi?id=646454

js/ui/status/network.js

@@ -989,6 +989,16 @@ NMDeviceWireless.prototype = {
         for (let i = 0; i < accessPoints.length; i++) {
             // Access points are grouped by network
             let ap = accessPoints[i];
+
+            if (ap.get_ssid() == null) {
+                // hidden access point cannot be added, we need to know
+                // the SSID and security details to connect
+                // nevertheless, the access point can acquire a SSID when
+                // NetworkManager connects to it (via nmcli or the control-center)
+                ap._notifySsidId = ap.connect('notify::ssid', Lang.bind(this, this._notifySsidCb));
+                continue;
+            }
+
             let pos = this._findNetwork(ap);
             let obj;
             if (pos != -1) {
@@ -1015,8 +1025,14 @@ NMDeviceWireless.prototype = {
                 }
             }
         }
+
         if (this.device.active_access_point) {
-            this._activeNetwork = this._networks[this._findNetwork(this.device.active_access_point)];
+            let networkPos = this._findNetwork(this.device.active_access_point);
+
+            if (networkPos == -1) // the connected access point is invisible
+                this._activeNetwork = null;
+            else
+                this._activeNetwork = this._networks[networkPos];
         } else {
             this._activeNetwork = null;
         }
@@ -1102,6 +1118,14 @@ NMDeviceWireless.prototype = {
         }
     },
 
+    _notifySsidCb: function(accessPoint) {
+        if (accessPoint.get_ssid() != null) {
+            accessPoint.disconnect(accessPoint._notifySsidId);
+            accessPoint._notifySsidId = 0;
+            this._accessPointAdded(this.device, accessPoint);
+        }
+    },
+
     _activeApChanged: function() {
         this._activeNetwork = null;
 
@@ -1109,7 +1133,9 @@ NMDeviceWireless.prototype = {
 
         if (activeAp) {
             let pos = this._findNetwork(activeAp);
-            this._activeNetwork = this._networks[pos];
+
+            if (pos != -1)
+                this._activeNetwork = this._networks[pos];
         }
 
         // we don't refresh the view here, setActiveConnection will
@@ -1184,6 +1210,9 @@ NMDeviceWireless.prototype = {
     },
 
     _findNetwork: function(accessPoint) {
+        if (accessPoint.get_ssid() == null)
+            return -1;
+
         for (let i = 0; i < this._networks.length; i++) {
             if (this._networkCompare(this._networks[i], accessPoint))
                 return i;
@@ -1192,6 +1221,13 @@ NMDeviceWireless.prototype = {
     },
 
     _accessPointAdded: function(device, accessPoint) {
+        if (accessPoint.get_ssid() == null) {
+            // This access point is not visible yet
+            // Wait for it to get a ssid
+            accessPoint._notifySsidId = accessPoint.connect('notify::ssid', Lang.bind(this, this._notifySsidCb));
+            return;
+        }
+
         let pos = this._findNetwork(accessPoint);
         let apObj;
         let needsupdate = false;
@@ -1427,13 +1463,12 @@ NMDeviceWireless.prototype = {
     },
 
     _createActiveConnectionItem: function() {
-        let activeAp = this.device.active_access_point;
         let icon, title;
         if (this._activeConnection._connection) {
             let connection = this._activeConnection._connection;
-            if (activeAp)
+            if (this._activeNetwork)
-                this._activeConnectionItem = new NMNetworkMenuItem([ activeAp ], undefined,
+                this._activeConnectionItem = new NMNetworkMenuItem(this._activeNetwork.accessPoints, undefined,
-                                                                       { reactive: false });
+                                                                   { reactive: false });
             else
                 this._activeConnectionItem = new PopupMenu.PopupImageMenuItem(connection._name,
                                                                               'network-wireless-connected',
@@ -1441,9 +1476,9 @@ NMDeviceWireless.prototype = {
         } else {
             // We cannot read the connection (due to ACL, or API incompatibility), but we still show signal if we have it
             let menuItem;
-            if (activeAp)
+            if (this._activeNetwork)
-                this._activeConnectionItem = new NMNetworkMenuItem([ activeAp ], undefined,
+                this._activeConnectionItem = new NMNetworkMenuItem(this._activeNetwork.accessPoints, undefined,
-                                                                       { reactive: false });
+                                                                   { reactive: false });
             else
                 this._activeConnectionItem = new PopupMenu.PopupImageMenuItem(_("Connected (private)"),
                                                                               'network-wireless-connected',