[gnome-software] Do not show system applications in the installed view

[Richard Hughes <rhughes src gnome org>]

commit 6b262798bab562a59714563e655e24f9e9fbe812
Author: Richard Hughes <richard hughsie com>
Date:   Tue Aug 13 10:43:43 2013 +0100

    Do not show system applications in the installed view

 src/gs-plugin-loader.c |   23 +++++++++++++++++++++++
 1 files changed, 23 insertions(+), 0 deletions(-)
---
diff --git a/src/gs-plugin-loader.c b/src/gs-plugin-loader.c
index f468e0b..6fe4b1f 100644
--- a/src/gs-plugin-loader.c
+++ b/src/gs-plugin-loader.c
@@ -217,6 +217,28 @@ gs_plugin_loader_remove_invalid (GList *list)
        return list;
 }
 
+/**
+ * gs_plugin_loader_remove_system:
+ **/
+static GList *
+gs_plugin_loader_remove_system (GList *list)
+{
+       GList *l;
+       GsApp *app;
+
+       for (l = list; l != NULL;) {
+               app = GS_APP (l->data);
+               if (gs_app_get_kind (app) != GS_APP_KIND_SYSTEM) {
+                       l = l->next;
+                       continue;
+               }
+               g_debug ("removing package %s", gs_app_get_id (app));
+               g_object_unref (app);
+               l = list = g_list_delete_link (list, l);
+       }
+       return list;
+}
+
 /******************************************************************************/
 
 /* async state */
@@ -449,6 +471,7 @@ cd_plugin_loader_get_installed_thread_cb (GSimpleAsyncResult *res,
                g_error_free (error);
                goto out;
        }
+       state->list = gs_plugin_loader_remove_system (state->list);
        state->list = gs_plugin_loader_remove_invalid (state->list);
        if (state->list == NULL) {
                g_set_error_literal (&error,