[gnome-music/wip/mschraal/window-selection-mode: 6/7] baseview: Remove unneeded functionality

[Marinus Schraal <mschraal src gnome org>]

commit 19796adf620e9fb1728f2377dfb93deed2cc7980
Author: Marinus Schraal <mschraal gnome org>
Date:   Sun Sep 2 13:07:13 2018 +0200

    baseview: Remove unneeded functionality
    
    HeaderBar and SelectionToolbar get updated through property binding.

 gnomemusic/views/baseview.py | 20 +++-----------------
 gnomemusic/window.py         |  2 ++
 2 files changed, 5 insertions(+), 17 deletions(-)
---
diff --git a/gnomemusic/views/baseview.py b/gnomemusic/views/baseview.py
index ef546560..c60c9c00 100644
--- a/gnomemusic/views/baseview.py
+++ b/gnomemusic/views/baseview.py
@@ -101,8 +101,6 @@ class BaseView(Gtk.Stack):
 
         self._init = False
         grilo.connect('ready', self._on_grilo_ready)
-        self.connect(
-            'notify::selected-items-count', self._update_selected_items_count)
         self.connect('notify::selection-mode', self._on_selection_mode_changed)
         grilo.connect('changes-pending', self._on_changes_pending)
 
@@ -138,15 +136,6 @@ class BaseView(Gtk.Stack):
                 and not self._init):
             self._populate()
 
-    @log
-    def _update_header_from_selection(self, n_items):
-        """Updates header during item selection."""
-        self._selection_toolbar.props.items_selected = n_items
-
-    @log
-    def _update_selected_items_count(self, klass, value):
-        self._update_header_from_selection(self.props.selected_items_count)
-
     @log
     def _populate(self, data=None):
         self.populate()
@@ -187,19 +176,16 @@ class BaseView(Gtk.Stack):
                 self.model[itr][6] = value
                 count += 1
             itr = self.model.iter_next(itr)
+
         return count
 
     @log
     def select_all(self):
         """Select all the available songs."""
-        count = self._set_selection(True)
-
-        self._selection_toolbar.props.items_selected = count
-        self._update_header_from_selection(count)
+        self.props.selected_items_count = self._set_selection(True)
 
     @log
     def unselect_all(self):
         """Unselects all the selected songs."""
         self._set_selection(False)
-        self._selection_toolbar.props.items_selected = 0
-        self._header_bar.props.items_selected = 0
+        self.props.selected_items_count = 0
diff --git a/gnomemusic/window.py b/gnomemusic/window.py
index eda1bfb8..abdd7436 100644
--- a/gnomemusic/window.py
+++ b/gnomemusic/window.py
@@ -167,6 +167,8 @@ class Window(Gtk.ApplicationWindow):
         self.connect('notify::selection-mode', self._on_selection_mode_changed)
         self.bind_property(
             'selected-items-count', self._headerbar, 'items-selected')
+        self.bind_property(
+            'selected-items-count', self.selection_toolbar, 'items-selected')
         self.bind_property(
             'selection-mode', self._headerbar, 'selection-mode',
             GObject.BindingFlags.BIDIRECTIONAL |