1 files changed, 164 insertions, 0 deletions
diff --git a/panels/background/bg-wallpapers-source.c b/panels/background/bg-wallpapers-source.c
new file mode 100644
index 0000000..20ca4b7
--- /dev/null
+++ b/panels/background/bg-wallpapers-source.c
@@ -0,0 +1,164 @@
+/* bg-wallpapers-source.c */
+/*
+ * Copyright (C) 2010 Intel, Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Thomas Wood <thomas.wood@intel.com>
+ *
+ */
+
+#include "bg-wallpapers-source.h"
+
+#include "cc-background-item.h"
+#include "cc-background-xml.h"
+
+#include <cairo-gobject.h>
+#include <gio/gio.h>
+
+struct _BgWallpapersSource
+{
+  BgSource parent_instance;
+  CcBackgroundXml *xml;
+};
+
+G_DEFINE_TYPE (BgWallpapersSource, bg_wallpapers_source, BG_TYPE_SOURCE)
+
+static int
+sort_func (gconstpointer a,
+           gconstpointer b,
+           gpointer      user_data)
+{
+  CcBackgroundItem *item_a;
+  CcBackgroundItem *item_b;
+  const char *name_a;
+  const char *name_b;
+
+  item_a = (CcBackgroundItem *) a;
+  item_b = (CcBackgroundItem *) b;
+
+  name_a = cc_background_item_get_name (item_a);
+  name_b = cc_background_item_get_name (item_b);
+
+  if (name_a && strcmp (name_a, "Default Background") == 0)
+    return -1;
+  if (name_b && strcmp (name_b, "Default Background") == 0)
+    return 1;
+
+
+  return strcmp (cc_background_item_get_name (item_a),
+                 cc_background_item_get_name (item_b));
+}
+
+static void
+load_wallpapers (gchar              *key,
+                 CcBackgroundItem   *item,
+                 BgWallpapersSource *source)
+{
+  GListStore *store = bg_source_get_liststore (BG_SOURCE (source));
+  gboolean deleted;
+
+  g_object_get (G_OBJECT (item), "is-deleted", &deleted, NULL);
+
+  if (deleted)
+    return;
+
+  g_list_store_insert_sorted (store, item, sort_func, NULL);
+}
+
+static void
+list_load_cb (GObject *source_object,
+	      GAsyncResult *res,
+	      gpointer user_data)
+{
+  g_autoptr(GError) error = NULL;
+  if (!cc_background_xml_load_list_finish (CC_BACKGROUND_XML (source_object), res, &error))
+    g_warning ("Failed to load background list: %s", error->message);
+}
+
+static void
+item_added (BgWallpapersSource *self,
+            CcBackgroundItem   *item)
+{
+  load_wallpapers (NULL, item, self);
+}
+
+static void
+load_default_bg (BgWallpapersSource *self)
+{
+  const char * const *system_data_dirs;
+  guint i;
+
+  /* FIXME We could do this nicer if we had the XML source in GSettings */
+
+  system_data_dirs = g_get_system_data_dirs ();
+  for (i = 0; system_data_dirs[i]; i++) {
+    g_autofree gchar *filename = NULL;
+
+    filename = g_build_filename (system_data_dirs[i],
+				 "gnome-background-properties",
+				 "adwaita.xml",
+				 NULL);
+    if (cc_background_xml_load_xml (self->xml, filename))
+      break;
+  }
+}
+
+static void
+bg_wallpapers_source_constructed (GObject *object)
+{
+  BgWallpapersSource *self = BG_WALLPAPERS_SOURCE (object);
+
+  G_OBJECT_CLASS (bg_wallpapers_source_parent_class)->constructed (object);
+
+  g_signal_connect_object (G_OBJECT (self->xml), "added",
+                           G_CALLBACK (item_added), self, G_CONNECT_SWAPPED);
+
+  /* Try adding the default background first */
+  load_default_bg (self);
+
+  cc_background_xml_load_list_async (self->xml, NULL, list_load_cb, self);
+}
+
+static void
+bg_wallpapers_source_dispose (GObject *object)
+{
+  BgWallpapersSource *self = BG_WALLPAPERS_SOURCE (object);
+
+  g_clear_object (&self->xml);
+
+  G_OBJECT_CLASS (bg_wallpapers_source_parent_class)->dispose (object);
+}
+
+static void
+bg_wallpapers_source_init (BgWallpapersSource *self)
+{
+  self->xml = cc_background_xml_new ();
+}
+
+static void
+bg_wallpapers_source_class_init (BgWallpapersSourceClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->constructed = bg_wallpapers_source_constructed;
+  object_class->dispose = bg_wallpapers_source_dispose;
+}
+
+BgWallpapersSource *
+bg_wallpapers_source_new (GtkWidget *widget)
+{
+  return g_object_new (BG_TYPE_WALLPAPERS_SOURCE, "widget", widget, NULL);
+}
+