[gthumb/gthumb-2-12] correctly activate the default extensions when started the first time

[Paolo Bacchilega <paobac src gnome org>]

commit 8302e856dae93b2df1cdb56c7683485aaec7727c
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Mon Nov 22 11:12:26 2010 +0100

    correctly activate the default extensions when started the first time
    
    [bug #635475]

 data/gthumb.schemas.in |    2 +-
 gthumb/gth-main.c      |   12 +++++++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)
---
diff --git a/data/gthumb.schemas.in b/data/gthumb.schemas.in
index 083a248..9afe093 100644
--- a/data/gthumb.schemas.in
+++ b/data/gthumb.schemas.in
@@ -48,7 +48,7 @@
 	<owner>gthumb</owner>
 	<type>list</type>
 	<list_type>string</list_type>
-	<default>[]</default>
+	<default>[default]</default>
 	<locale name="C">
 	  <short></short>
 	  <long>
diff --git a/gthumb/gth-main.c b/gthumb/gth-main.c
index 7a480a6..e476310 100644
--- a/gthumb/gth-main.c
+++ b/gthumb/gth-main.c
@@ -1263,10 +1263,20 @@ gth_main_activate_extensions (void)
 	}
 
 	active_extensions = eel_gconf_get_string_list_with_error (PREF_ACTIVE_EXTENSIONS, &error);
-	if (error != NULL) {
+	if ((error != NULL)
+	    || ((active_extensions != NULL)
+	        && (active_extensions->next == NULL)
+	        && (g_strcmp0 (active_extensions->data, "default") == 0)))
+	{
 		g_clear_error (&error);
+		g_slist_foreach (active_extensions, (GFunc) g_free, NULL);
+		g_slist_free (active_extensions);
+
+		active_extensions = NULL;
 		for (i = 0; default_extensions[i] != NULL; i++)
 			active_extensions = g_slist_prepend (active_extensions, g_strdup (default_extensions[i]));
+
+		eel_gconf_set_string_list (PREF_ACTIVE_EXTENSIONS, active_extensions);
 	}
 	active_extensions = gth_extension_manager_order_extensions (Main->priv->extension_manager, active_extensions);