[network-manager-applet] applet: fix wrong status for wireless toggle

[Thomas Haller <thaller src gnome org>]

commit c7533cfcd9c761a152a66f608808187df3155521
Author: Kai-Heng Feng <kai heng feng canonical com>
Date:   Tue Aug 30 13:36:28 2016 +0800

    applet: fix wrong status for wireless toggle
    
    When "state-changed" signal emits, there's a chance that wireless status has't
    update yet, so the "Enable Wi-Fi" toggle shows the wrong status.
    
    This can be solved by updating applet menu whenever "wireless-enabled" changes.
    
    https://mail.gnome.org/archives/networkmanager-list/2016-August/msg00112.html
    https://bugzilla.gnome.org/show_bug.cgi?id=770218
    
    Signed-off-by: Kai-Heng Feng <kai heng feng canonical com>

 src/applet.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)
---
diff --git a/src/applet.c b/src/applet.c
index 08be772..8b6b616 100644
--- a/src/applet.c
+++ b/src/applet.c
@@ -2291,6 +2291,13 @@ foo_manager_permission_changed (NMClient *client,
                applet->permissions[permission] = result;
 }
 
+static void
+foo_wireless_enabled_changed_cb (NMClient *client, GParamSpec *pspec, NMApplet *applet)
+{
+       applet_schedule_update_icon (applet);
+       applet_schedule_update_menu (applet);
+}
+
 static gboolean
 foo_set_initial_state (gpointer data)
 {
@@ -2340,6 +2347,14 @@ foo_client_setup (NMApplet *applet)
                          G_CALLBACK (foo_manager_permission_changed),
                          applet);
 
+       g_signal_connect (applet->nm_client, "notify::wireless-enabled",
+                         G_CALLBACK (foo_wireless_enabled_changed_cb),
+                         applet);
+
+       g_signal_connect (applet->nm_client, "notify::wwan-enabled",
+                         G_CALLBACK (foo_wireless_enabled_changed_cb),
+                         applet);
+
        /* Initialize permissions - the initial 'permission-changed' signal is emitted from NMClient 
constructor, and thus not caught */
        for (perm = NM_CLIENT_PERMISSION_NONE + 1; perm <= NM_CLIENT_PERMISSION_LAST; perm++) {
                applet->permissions[perm] = nm_client_get_permission_result (applet->nm_client, perm);