[gnome-music/wip/mschraal/window-template: 4/6] window: Do not use internal var

[Jean Felder <jfelder src gnome org>]

commit 614b8b92e5a8a4e188f9dea11a626ac37e892011
Author: Marinus Schraal <mschraal gnome org>
Date:   Sun May 17 20:48:53 2020 +0200

    window: Do not use internal var

 gnomemusic/window.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/gnomemusic/window.py b/gnomemusic/window.py
index 0431f571..40a8373a 100644
--- a/gnomemusic/window.py
+++ b/gnomemusic/window.py
@@ -69,8 +69,9 @@ class Window(Gtk.ApplicationWindow):
         super().__init__(application=app, title=_("Music"))
 
         self._app = app
+        self._coreselection = app.props.coreselection
 
-        self._app._coreselection.bind_property(
+        self._coreselection.bind_property(
             "selected-items-count", self, "selected-items-count")
 
         self._settings = app.props.settings
@@ -452,7 +453,7 @@ class Window(Gtk.ApplicationWindow):
         if self.props.active_view == self.views[View.PLAYLIST]:
             return
 
-        selected_songs = self._app._coreselection.props.selected_items
+        selected_songs = self._coreselection.props.selected_items
 
         if len(selected_songs) < 1:
             return