[gnome-photos/wip/facebook] preview-nav-buttons: Refactor some common code

[Álvaro Peña <alvaropg src gnome org>]

commit 4b9cb703e28504ee40b304ebcb71f42ae564ec81
Author: Debarshi Ray <debarshir gnome org>
Date:   Mon Sep 2 01:08:27 2013 +0200

    preview-nav-buttons: Refactor some common code

 src/photos-preview-nav-buttons.c |   28 ++++++++++------------------
 1 files changed, 10 insertions(+), 18 deletions(-)
---
diff --git a/src/photos-preview-nav-buttons.c b/src/photos-preview-nav-buttons.c
index 1860d32..afeb91a 100644
--- a/src/photos-preview-nav-buttons.c
+++ b/src/photos-preview-nav-buttons.c
@@ -283,7 +283,7 @@ photos_preview_nav_buttons_motion_notify (PhotosPreviewNavButtons *self)
 
 
 static void
-photos_preview_nav_buttons_next_clicked (PhotosPreviewNavButtons *self)
+photos_preview_nav_buttons_set_active_path (PhotosPreviewNavButtons *self)
 {
   PhotosPreviewNavButtonsPrivate *priv = self->priv;
   GtkTreeIter child_iter;
@@ -292,7 +292,6 @@ photos_preview_nav_buttons_next_clicked (PhotosPreviewNavButtons *self)
   PhotosBaseItem *item;
   gchar *id;
 
-  gtk_tree_path_next (priv->current_path);
   gtk_tree_model_get_iter (priv->model, &iter, priv->current_path);
   gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER (priv->model), &child_iter, &iter);
   child_model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (priv->model));
@@ -306,25 +305,18 @@ photos_preview_nav_buttons_next_clicked (PhotosPreviewNavButtons *self)
 
 
 static void
-photos_preview_nav_buttons_prev_clicked (PhotosPreviewNavButtons *self)
+photos_preview_nav_buttons_next_clicked (PhotosPreviewNavButtons *self)
 {
-  PhotosPreviewNavButtonsPrivate *priv = self->priv;
-  GtkTreeIter child_iter;
-  GtkTreeIter iter;
-  GtkTreeModel *child_model;
-  PhotosBaseItem *item;
-  gchar *id;
-
-  gtk_tree_path_prev (priv->current_path);
-  gtk_tree_model_get_iter (priv->model, &iter, priv->current_path);
-  gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER (priv->model), &child_iter, &iter);
-  child_model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (priv->model));
-  gtk_tree_model_get (child_model, &child_iter, PHOTOS_VIEW_MODEL_URN, &id, -1);
+  gtk_tree_path_next (self->priv->current_path);
+  photos_preview_nav_buttons_set_active_path (self);
+}
 
-  item = PHOTOS_BASE_ITEM (photos_base_manager_get_object_by_id (priv->item_mngr, id));
-  photos_base_manager_set_active_object (priv->item_mngr, G_OBJECT (item));
 
-  g_free (id);
+static void
+photos_preview_nav_buttons_prev_clicked (PhotosPreviewNavButtons *self)
+{
+  gtk_tree_path_prev (self->priv->current_path);
+  photos_preview_nav_buttons_set_active_path (self);
 }