[gtksourceview/wip/loader-saver-2] FileSaver: get the GtkSourceFile's location if NULL

[Sébastien Wilmet <swilmet src gnome org>]

commit c7627234748ef6a360358f1970345aab99a4cb4e
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Tue Jul 8 17:18:35 2014 +0200

    FileSaver: get the GtkSourceFile's location if NULL

 gtksourceview/gtksourcefilesaver.c |   19 +++++++++++++++++--
 1 files changed, 17 insertions(+), 2 deletions(-)
---
diff --git a/gtksourceview/gtksourcefilesaver.c b/gtksourceview/gtksourcefilesaver.c
index 115ea7d..aee9cb2 100644
--- a/gtksourceview/gtksourcefilesaver.c
+++ b/gtksourceview/gtksourcefilesaver.c
@@ -289,6 +289,20 @@ gtk_source_file_saver_constructed (GObject *object)
 
                compression_type = gtk_source_file_get_compression_type (saver->priv->file);
                gtk_source_file_saver_set_compression_type (saver, compression_type);
+
+               if (saver->priv->location == NULL)
+               {
+                       saver->priv->location = gtk_source_file_get_location (saver->priv->file);
+
+                       if (saver->priv->location != NULL)
+                       {
+                               g_object_ref (saver->priv->location);
+                       }
+                       else
+                       {
+                               g_warning ("FileSaver: GtkSourceFile's location is NULL.");
+                       }
+               }
        }
 
        G_OBJECT_CLASS (gtk_source_file_saver_parent_class)->constructed (object);
@@ -992,7 +1006,7 @@ gtk_source_file_saver_new (GtkSourceBuffer *buffer,
 {
        g_return_val_if_fail (GTK_SOURCE_IS_BUFFER (buffer), NULL);
        g_return_val_if_fail (GTK_SOURCE_IS_FILE (file), NULL);
-       g_return_val_if_fail (G_IS_FILE (location), NULL);
+       g_return_val_if_fail (location == NULL || G_IS_FILE (location), NULL);
 
        return g_object_new (GTK_SOURCE_TYPE_FILE_SAVER,
                             "buffer", buffer,
@@ -1247,7 +1261,8 @@ gtk_source_file_saver_save_async (GtkSourceFileSaver     *saver,
        g_return_if_fail (saver->priv->task == NULL);
 
        if (saver->priv->source_buffer == NULL ||
-           saver->priv->file == NULL)
+           saver->priv->file == NULL ||
+           saver->priv->location == NULL)
        {
                return;
        }