[totem] main: Fetch missing thumbnails

[Bastien Nocera <hadess src gnome org>]

commit 5be27ddba70adf8262b1d01dfd541be03d3f3b8d
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Aug 25 18:48:15 2014 +0200

    main: Fetch missing thumbnails
    
    When populating the icon view.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=727748

 src/icon-helpers.c |   31 ++++++++++++++++++++++++++++---
 1 files changed, 28 insertions(+), 3 deletions(-)
---
diff --git a/src/icon-helpers.c b/src/icon-helpers.c
index 2c2f363..844e1ce 100644
--- a/src/icon-helpers.c
+++ b/src/icon-helpers.c
@@ -171,6 +171,23 @@ totem_grilo_thumbnail_media_finish (GrlMedia      *media,
        return g_task_propagate_pointer (G_TASK (res), error);
 }
 
+static void
+thumbnail_media_cb (GObject      *source_object,
+                   GAsyncResult *res,
+                   gpointer      user_data)
+{
+       GTask *task = user_data;
+       GdkPixbuf *pixbuf;
+       GError *error = NULL;
+
+       pixbuf = totem_grilo_thumbnail_media_finish (GRL_MEDIA (source_object), res, &error);
+       if (!pixbuf)
+               g_task_return_error (task, error);
+       else
+               g_task_return_pointer (task, pixbuf, g_object_unref);
+       g_object_unref (task);
+}
+
 void
 totem_grilo_get_thumbnail (GObject             *object,
                           GCancellable        *cancellable,
@@ -187,9 +204,16 @@ totem_grilo_get_thumbnail (GObject             *object,
                           callback,
                           user_data);
 
-       if (GRL_IS_MEDIA (object))
+       if (GRL_IS_MEDIA (object)) {
                url_thumb = grl_media_get_thumbnail (GRL_MEDIA (object));
-       else if (GRL_IS_SOURCE (object)) {
+               if (!url_thumb && g_strcmp0 (grl_media_get_source (GRL_MEDIA (object)), "grl-tracker-source") 
== 0) {
+                       totem_grilo_thumbnail_media (GRL_MEDIA (object),
+                                                    cancellable,
+                                                    thumbnail_media_cb,
+                                                    task);
+                       return;
+               }
+       } else if (GRL_IS_SOURCE (object)) {
                GIcon *icon;
 
                icon = grl_source_get_icon (GRL_SOURCE (object));
@@ -295,7 +319,8 @@ totem_grilo_get_icon (GrlMedia *media,
        if (GRL_IS_MEDIA_BOX (media)) {
                return g_object_ref (icons[ICON_BOX]);
        } else {
-               if (grl_media_get_thumbnail (media)) {
+               if (grl_media_get_thumbnail (media) ||
+                   g_strcmp0 (grl_media_get_source (media), "grl-tracker-source") == 0) {
                        *thumbnailing = TRUE;
                        return g_object_ref (icons[ICON_VIDEO_THUMBNAILING]);
                } else {