[gnome-music] albumsview: Style selectionmode checks

[Marinus Schraal <mschraal src gnome org>]

commit cb26cf0f7a9e1a31458ee60ece07929939fe0109
Author: Jean Felder <jean felder gmail com>
Date:   Mon Feb 12 08:24:41 2018 +0100

    albumsview: Style selectionmode checks
    
    GtkFlowbox contents use the selectionmode assets for styling since
    Gtk 3.22.10.

 data/AlbumCover.ui             | 4 ----
 gnomemusic/views/albumsview.py | 2 ++
 2 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/data/AlbumCover.ui b/data/AlbumCover.ui
index 39a79d2..67d081c 100644
--- a/data/AlbumCover.ui
+++ b/data/AlbumCover.ui
@@ -33,10 +33,6 @@
             <property name="halign">end</property>
             <property name="valign">end</property>
             <property name="draw_indicator">True</property>
-            <style>
-              <class name="osd"/>
-              <class name="content-view"/>
-            </style>
           </object>
         </child>
       </object>
diff --git a/gnomemusic/views/albumsview.py b/gnomemusic/views/albumsview.py
index 8fef4f0..51b8e2e 100644
--- a/gnomemusic/views/albumsview.py
+++ b/gnomemusic/views/albumsview.py
@@ -75,6 +75,7 @@ class AlbumsView(BaseView):
             margin=18, row_spacing=12, column_spacing=6,
             min_children_per_line=1, max_children_per_line=25)
 
+        self._view.get_style_context().add_class('content-view')
         self._view.connect('child-activated', self._on_child_activated)
 
         scrolledwin = Gtk.ScrolledWindow()
@@ -158,6 +159,7 @@ class AlbumsView(BaseView):
             '/org/gnome/Music/AlbumCover.ui')
 
         child = Gtk.FlowBoxChild()
+        child.get_style_context().add_class('tile')
         child.stack = builder.get_object('stack')
         child.check = builder.get_object('check')
         child.title = builder.get_object('title')