[gimp] app: add gimp_data_factory_get_data_path[_writable]()

[Michael Natterer <mitch src gnome org>]

commit 68cf2641f8a8109d438587591fd147a992cab189
Author: Michael Natterer <mitch gimp org>
Date:   Sun Jun 3 20:42:21 2018 +0200

    app: add gimp_data_factory_get_data_path[_writable]()
    
    which return GLists of GFiles. Use the new API in GimpDataFactory's
    default implementations.

 app/core/gimpdatafactory.c | 72 ++++++++++++++++++++++++++++++----------------
 app/core/gimpdatafactory.h |  5 ++++
 2 files changed, 53 insertions(+), 24 deletions(-)
---
diff --git a/app/core/gimpdatafactory.c b/app/core/gimpdatafactory.c
index 0a073de932..3baaaca111 100644
--- a/app/core/gimpdatafactory.c
+++ b/app/core/gimpdatafactory.c
@@ -882,6 +882,50 @@ gimp_data_factory_has_data_new_func (GimpDataFactory *factory)
   return factory->priv->data_new_func != NULL;
 }
 
+GList *
+gimp_data_factory_get_data_path (GimpDataFactory *factory)
+{
+  GimpDataFactoryPrivate *priv = GET_PRIVATE (factory);
+  gchar                  *path = NULL;
+  GList                  *list = NULL;
+
+  g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), NULL);
+
+  g_object_get (priv->gimp->config,
+                priv->path_property_name, &path,
+                NULL);
+
+  if (path)
+    {
+      list = gimp_config_path_expand_to_files (path, NULL);
+      g_free (path);
+    }
+
+  return list;
+}
+
+GList *
+gimp_data_factory_get_data_path_writable (GimpDataFactory *factory)
+{
+  GimpDataFactoryPrivate *priv = GET_PRIVATE (factory);
+  gchar                  *path = NULL;
+  GList                  *list = NULL;
+
+  g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), NULL);
+
+  g_object_get (priv->gimp->config,
+                priv->writable_property_name, &path,
+                NULL);
+
+  if (path)
+    {
+      list = gimp_config_path_expand_to_files (path, NULL);
+      g_free (path);
+    }
+
+  return list;
+}
+
 
 /*  private functions  */
 
@@ -928,22 +972,12 @@ gimp_data_factory_data_load (GimpDataFactory *factory,
                              GimpContext     *context,
                              GHashTable      *cache)
 {
-  gchar *p;
-  gchar *wp;
   GList *path;
   GList *writable_path;
   GList *list;
 
-  g_object_get (factory->priv->gimp->config,
-                factory->priv->path_property_name,     &p,
-                factory->priv->writable_property_name, &wp,
-                NULL);
-
-  path          = gimp_config_path_expand_to_files (p, NULL);
-  writable_path = gimp_config_path_expand_to_files (wp, NULL);
-
-  g_free (p);
-  g_free (wp);
+  path          = gimp_data_factory_get_data_path          (factory);
+  writable_path = gimp_data_factory_get_data_path_writable (factory);
 
   for (list = path; list; list = g_list_next (list))
     {
@@ -967,22 +1001,12 @@ static GFile *
 gimp_data_factory_get_save_dir (GimpDataFactory  *factory,
                                 GError          **error)
 {
-  gchar *p;
-  gchar *wp;
   GList *path;
   GList *writable_path;
   GFile *writable_dir = NULL;
 
-  g_object_get (factory->priv->gimp->config,
-                factory->priv->path_property_name,     &p,
-                factory->priv->writable_property_name, &wp,
-                NULL);
-
-  path          = gimp_config_path_expand_to_files (p, NULL);
-  writable_path = gimp_config_path_expand_to_files (wp, NULL);
-
-  g_free (p);
-  g_free (wp);
+  path          = gimp_data_factory_get_data_path          (factory);
+  writable_path = gimp_data_factory_get_data_path_writable (factory);
 
   if (writable_path)
     {
diff --git a/app/core/gimpdatafactory.h b/app/core/gimpdatafactory.h
index 8e1abcaf90..397ac14554 100644
--- a/app/core/gimpdatafactory.h
+++ b/app/core/gimpdatafactory.h
@@ -126,6 +126,7 @@ GimpData      * gimp_data_factory_data_get_standard (GimpDataFactory  *factory,
 gboolean        gimp_data_factory_data_save_single  (GimpDataFactory  *factory,
                                                      GimpData         *data,
                                                      GError          **error);
+
 GType           gimp_data_factory_get_data_type     (GimpDataFactory  *factory);
 GimpContainer * gimp_data_factory_get_container     (GimpDataFactory  *factory);
 GimpContainer * gimp_data_factory_get_container_obsolete
@@ -133,5 +134,9 @@ GimpContainer * gimp_data_factory_get_container_obsolete
 Gimp          * gimp_data_factory_get_gimp          (GimpDataFactory  *factory);
 gboolean        gimp_data_factory_has_data_new_func (GimpDataFactory  *factory);
 
+GList         * gimp_data_factory_get_data_path     (GimpDataFactory  *factory);
+GList         * gimp_data_factory_get_data_path_writable
+                                                    (GimpDataFactory  *factory);
+
 
 #endif  /*  __GIMP_DATA_FACTORY_H__  */