[libgda] Hide some UI plugins messages, fixes bug #699575

[Vivien Malerba <vivien src gnome org>]

commit c2204353e65565ad74067d3b1b43ea28a837e5a0
Author: Vivien Malerba <malerba gnome-db org>
Date:   Thu May 9 16:20:17 2013 +0200

    Hide some UI plugins messages, fixes bug #699575
    
    these messages can be displayed by setting the GDAUI_SHOW_PLUGINS_LOADING
    environment variable

 doc/C/libgda-5.0-docs.sgml |    5 +++++
 libgda-ui/gdaui-init.c     |   35 ++++++++++++++++++++++-------------
 2 files changed, 27 insertions(+), 13 deletions(-)
---
diff --git a/doc/C/libgda-5.0-docs.sgml b/doc/C/libgda-5.0-docs.sgml
index 2f7ed8e..8502b68 100644
--- a/doc/C/libgda-5.0-docs.sgml
+++ b/doc/C/libgda-5.0-docs.sgml
@@ -390,6 +390,11 @@
                <link linkend="gda-tree-dump">gda_tree_dump()</link> will dump all the attributes of each
                node in the tree</para>
            </listitem>
+           <listitem>
+              <para>GDAUI_SHOW_PLUGINS_LOADING: if set, then a trace of Gda UI's plugins loading will be
+               output the first time they are loaded.
+               </para>
+           </listitem>
          </itemizedlist>
        </para>
       </sect1>
diff --git a/libgda-ui/gdaui-init.c b/libgda-ui/gdaui-init.c
index 4547360..1c720c7 100644
--- a/libgda-ui/gdaui-init.c
+++ b/libgda-ui/gdaui-init.c
@@ -492,18 +492,23 @@ init_plugins_hash (void)
        GDir *dir;
        GError *err = NULL;
        gchar *plugins_dir;
+       gboolean show_status = FALSE;
        
        /* read the plugin directory */
        plugins_dir = gda_gbr_get_file_path (GDA_LIB_DIR, LIBGDA_ABI_NAME, "plugins", NULL);
-       g_print ("Trying to load plugins in %s...\n", plugins_dir);
+       if (g_getenv ("GDAUI_SHOW_PLUGINS_LOADING"))
+               show_status = TRUE;
+       if (show_status)
+               g_print ("Trying to load plugins in %s...\n", plugins_dir);
        dir = g_dir_open (plugins_dir, 0, NULL);
        if (!dir) {
                g_free (plugins_dir);
                plugins_dir = g_strdup (PLUGINSDIR);
-               g_print ("Trying to load plugins in %s...\n", plugins_dir);
+               if (show_status)
+                       g_print ("Trying to load plugins in %s...\n", plugins_dir);
                dir = g_dir_open (plugins_dir, 0, NULL);
        }
-       if (!dir)
+       if (!dir && show_status)
                g_warning (_("Could not open plugins directory, no plugin loaded."));
        else {
                const gchar *name;
@@ -531,11 +536,13 @@ init_plugins_hash (void)
 
                        g_module_symbol (handle, "plugin_init", (gpointer*) &plugin_init);
                        if (plugin_init) {
-                               g_print (_("Loading file %s...\n"), path);
+                               if (show_status)
+                                       g_print (_("Loading file %s...\n"), path);
                                plugins = plugin_init (&err);
                                if (err) {
-                                       g_message (_("Plugins load warning: %s"),
-                                                  err->message ? err->message : _("No detail"));
+                                       if (show_status)
+                                               g_message (_("Plugins load warning: %s"),
+                                                          err->message ? err->message : _("No detail"));
                                        if (err)
                                                g_error_free (err);
                                        err = NULL;
@@ -547,13 +554,15 @@ init_plugins_hash (void)
                                        
                                        plugin = (GdauiPlugin *)(list->data);
                                        g_hash_table_insert (hash, plugin->plugin_name, plugin);
-                                       g_print ("  - loaded %s (%s):", plugin->plugin_name,
-                                                plugin->plugin_descr);
-                                       if (plugin->entry_create_func)
-                                               g_print (" Entry");
-                                       if (plugin->cell_create_func)
-                                               g_print (" Cell");
-                                       g_print ("\n");
+                                       if (show_status) {
+                                               g_print ("  - loaded %s (%s):", plugin->plugin_name,
+                                                        plugin->plugin_descr);
+                                               if (plugin->entry_create_func)
+                                                       g_print (" Entry");
+                                               if (plugin->cell_create_func)
+                                                       g_print (" Cell");
+                                               g_print ("\n");
+                                       }
                                        plugin->plugin_file = g_strdup (path);
                                }
                                g_slist_free (plugins);