Make sure the status icon exists before trying to display it (mga#20425)

This patch also does some cleanup (left during the StatusNotifier
implementation)

1 files changed, 9 insertions, 12 deletions

diff --git a/bin/net_applet b/bin/net_applet
index 76e46f3..1a0d369 100755
--- a/bin/net_applet
+++ b/bin/net_applet
@@ -52,10 +52,8 @@ our %wireless_networks;
 
 our %pixbufs =
   (
-      state => { map { $_ => gtknew('Pixbuf', file => $_) } map { $_, $_ . "_big" } qw(connected disconnected unconfigured connecting) },
-      encryption => { map {
-          $_ => gtknew('Pixbuf', file => "encryption-$_-24");
-      } qw(open weak strong) },
+      state => { map { $_ => gtknew('Pixbuf', file => $_ . '_big') } qw(connected disconnected unconfigured connecting) },
+      encryption => { map { $_ => gtknew('Pixbuf', file => "encryption-$_-24") } qw(open weak strong) },
   );
 
 sub get_current_network() {
@@ -63,22 +61,21 @@ sub get_current_network() {
 }
 
 sub get_state_pixbuf {
-    my $img;
-    my $wnet = $current_state eq 'connected' && get_current_network();
-    if ($wnet) {
+    if (my $wnet = $current_state eq 'connected' && get_current_network()) {
         return network::signal_strength::get_strength_icon($wnet);
     }
     else {
-        # By default, use the big image, and fall back to the small one if it does not exist.
-        return $pixbufs{state}{"${current_state}_big"} || $pixbufs{state}{$current_state};
+        return $pixbufs{state}{$current_state};
     }
 }
 
 sub update_tray_icon() {
     if (!$ifw_alert) {
-        my @args = $is_plasma ? qw(STATUS_NOTIFIER_ICON) : ();
-        push @args, get_state_pixbuf();
-        $icon->set_from_pixbuf(@args);
+        if (my $pixbuf = get_state_pixbuf()) {
+            my @args = $is_plasma ? qw(STATUS_NOTIFIER_ICON) : ();
+            push @args, $pixbuf;
+            $icon->set_from_pixbuf(@args);
+        }
     }
     elsif ($is_plasma) {
         $icon->set_from_icon_name('STATUS_NOTIFIER_ICON', 'dialog-warning');