[gnome-music] view: Use a dummy if album art is still loading

[Arnel A. Borja <arnelborja src gnome org>]

commit fafbcc5ee655cffb4d783a14b0e798dcb3609905
Author: Arnel Borja <kyoushuu yahoo com>
Date:   Wed May 28 17:36:44 2014 +0800

    view: Use a dummy if album art is still loading
    
    Use a dummy symbolic icon for album art that are still loading so we
    could tell if we have to start a new lookup or not.

 gnomemusic/view.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gnomemusic/view.py b/gnomemusic/view.py
index ce579f1..7b3f96b 100644
--- a/gnomemusic/view.py
+++ b/gnomemusic/view.py
@@ -139,6 +139,8 @@ class ViewContainer(Gtk.Stack):
         self.cache = albumArtCache.get_default()
         self._symbolicIcon = self.cache.get_default_icon(self._iconHeight,
                                                          self._iconWidth)
+        self._symbolicIconLoading = self.cache.get_default_icon(self._iconHeight,
+                                                                self._iconWidth)
 
         self._init = False
         grilo.connect('ready', self._on_grilo_ready)
@@ -245,6 +247,7 @@ class ViewContainer(Gtk.Stack):
                 artist = self._model.get_value(_iter, 3)
                 thumbnail = self._model.get_value(_iter, 4)
                 if thumbnail == self._symbolicIcon:
+                    self._model.set_value(_iter, 4, self._symbolicIconLoading)
                     albumArtCache.get_default().lookup(
                         item, self._iconWidth, self._iconHeight, self._on_lookup_ready,
                         _iter, artist, title)