Merge lp:~fboucault/unity-2d/spread_monitor_finer_change_notification into lp:~unity-2d-team/unity-2d/unity-2d-shell

[Florian Boucault]

Finer change notification for property SpreadMonitor::shown

[Albert Astals Cid (aacid)]

Looks good

review: Approve

=== modified file 'libunity-2d-private/src/spreadmonitor.cpp'
--- libunity-2d-private/src/spreadmonitor.cpp	2012-02-08 15:29:04 +0000
+++ libunity-2d-private/src/spreadmonitor.cpp	2012-02-09 11:45:23 +0000
@@ -42,8 +42,14 @@
     if (available) {
         connect(dbusInterface(), SIGNAL(IsShownChanged(bool)), SIGNAL(shownChanged(bool)));
 
-        Q_EMIT shownChanged(shown());
+        /* In SpreadMonitor::shown() we assume shown is false if the service is not
+           available therefore there is no need to emit shownChanged if it is still false */
+        if (shown()) {
+            Q_EMIT shownChanged(true);
+        }
     } else {
+        /* At this point we cannot know for sure that the spread was shown so
+           we emit the changed signal unconditionally */
         Q_EMIT shownChanged(false);
     }
 }