rind: Add runtime label

I add this to the overlay so it doesn't take up space on its own.

Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>

emmental.ui

@@ -640,6 +640,24 @@ audio-volume-medium-symbolic</property>
             </style>
           </object>
         </child>
+        <child type="overlay">
+          <object class="GtkLabel" id="runtime">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="halign">end</property>
+            <property name="valign">end</property>
+            <attributes>
+              <attribute name="weight" value="bold"/>
+            </attributes>
+            <style>
+              <class name="osd"/>
+            </style>
+          </object>
+          <packing>
+            <property name="pass_through">True</property>
+            <property name="index">1</property>
+          </packing>
+        </child>
       </object>
     </child>
   </object>

rind/playlist.py

@@ -3,14 +3,18 @@ from . import gtk
 import curds
 from gi.repository import GObject, Gtk
 
+Treeview     = gtk.Builder.get_object("playlist_treeview")
 RandomButton = gtk.Builder.get_object("random_button")
+Runtime      = gtk.Builder.get_object("runtime")
+
 cols = [ "tracknumber", "title", "length", "artist", "album", "date", "genre" ]
 
 class PlaylistModel(GObject.GObject, Gtk.TreeModel):
     def __init__(self, *args, **kwargs):
         GObject.GObject.__init__(self)
-        self.playlist = curds.PlaylistManager.lookup("Collection")
+        self.set_playlist(curds.PlaylistManager.lookup("Collection"))
         curds.notify.register("add-track", self.on_add_track, queue=True)
+        curds.notify.register("playlist-changed", self.on_playlist_changed, queue=True)
         RandomButton.connect("toggled", self.on_random_toggled)
 
     def do_get_column_type(self, col):
@@ -63,6 +67,10 @@ class PlaylistModel(GObject.GObject, Gtk.TreeModel):
             path = Gtk.TreePath.new_from_indices([ index ])
             self.row_inserted(path, self.get_iter(path))
 
+    def on_playlist_changed(self, plist):
+        if plist == self.playlist:
+            Runtime.set_text(self.playlist.runtime())
+
     def on_random_toggled(self, *args):
         active = RandomButton.get_active()
         RandomButton.set_active(self.playlist.set_random(active))
@@ -71,8 +79,8 @@ class PlaylistModel(GObject.GObject, Gtk.TreeModel):
         Treeview.set_model(None)
         self.playlist = plist
         Treeview.set_model(self)
+        Runtime.set_text(self.playlist.runtime())
 
 
 PlistModel = PlaylistModel()
-Treeview   = gtk.Builder.get_object("playlist_treeview")
 Treeview.set_model(PlistModel)

rind/test_playlist.py

@@ -14,9 +14,12 @@ class TestPlaylist(unittest.TestCase):
 
     def test_init(self):
         self.assertIsInstance(gtk.Builder.get_object("playlist_treeview"), Gtk.TreeView)
-        self.assertIsInstance(playlist.PlistModel,  Gtk.TreeModel)
+        self.assertIsInstance(playlist.PlistModel, Gtk.TreeModel)
+        self.assertIsInstance(playlist.Runtime,    Gtk.Label)
+
         self.assertEqual(playlist.Treeview, gtk.Builder.get_object("playlist_treeview"))
         self.assertEqual(playlist.Treeview.get_model(), playlist.PlistModel)
+        self.assertEqual(playlist.Runtime.get_text(),   "")
 
     def test_model_init(self):
         model = playlist.PlaylistModel()
@@ -36,7 +39,8 @@ class TestPlaylist(unittest.TestCase):
         self.assertEqual(len(model), 0)
         self.assertRaises(ValueError, model.get_iter, path)
         self.assertEqual(model.iter_n_children(None), 0)
-        self.assertIsNone(model.iter_nth_child(None, 1))
+        self.assertIsNone(model.iter_nth_child(None,  1))
+        self.assertEqual(playlist.Runtime.get_text(), "")
 
     def test_model(self):
         plist  = curds.Playlist("Test Playlist")
@@ -52,6 +56,8 @@ class TestPlaylist(unittest.TestCase):
             tracks.append(track)
             plist.add(track)
             self.assertEqual(len(model), i)
+            while curds.notify.run_queued(): continue
+            self.assertEqual(playlist.Runtime.get_text(), plist.runtime())
 
         iter = model.get_iter(path)
         self.assertEqual(iter.user_data, 1)