Merge lp:~dandrader/qtmir/fixFirstChangedOnPrepend into lp:qtmir

[Daniel d'Andrada]

MirSurfaceListModel: prepending a surface always causes firstChanged() emission

* Are there any related MPs required for this MP to build/function as expected? Please list.
No

* Did you perform an exploratory manual test run of your code change and any related functionality?
No. Too simple a change.

* If you changed the packaging (debian), did you subscribe the ubuntu-unity team to this MP?
Not applicable.

[Nick Dedekind (nick-dedekind)]

Yup, looks goot to me.

review: Approve

[Unity8 CI Bot (unity8-ci-bot)]

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review: Approve (continuous-integration)

=== modified file 'src/modules/Unity/Application/mirsurfacelistmodel.cpp'
--- src/modules/Unity/Application/mirsurfacelistmodel.cpp	2016-05-17 19:57:52 +0000
+++ src/modules/Unity/Application/mirsurfacelistmodel.cpp	2016-06-02 11:22:59 +0000
@@ -68,8 +68,8 @@
     Q_EMIT countChanged();
     if (count() == 1) {
         Q_EMIT emptyChanged();
-        Q_EMIT firstChanged();
     }
+    Q_EMIT firstChanged();
 }
 
 void MirSurfaceListModel::connectSurface(MirSurfaceInterface *surface)