[vinagre] Added a get_file_filter() virtual function to the plugins.

[Jonh Wendell <jwendell src gnome org>]

commit 8431551c7edb7f740c11cbeb45d808151bee82e4
Author: Jonh Wendell <jwendell gnome org>
Date:   Sat Jul 25 13:00:39 2009 -0300

    Added a get_file_filter() virtual function to the plugins.
    
    This is supposed to be used by plugins that support the "Open File"
    feature.

 vinagre/vinagre-plugin.c |   22 ++++++++++++++++++++++
 vinagre/vinagre-plugin.h |    4 ++++
 2 files changed, 26 insertions(+), 0 deletions(-)
---
diff --git a/vinagre/vinagre-plugin.c b/vinagre/vinagre-plugin.c
index b86e6aa..bc9b567 100644
--- a/vinagre/vinagre-plugin.c
+++ b/vinagre/vinagre-plugin.c
@@ -121,6 +121,12 @@ default_get_connect_widget (VinagrePlugin     *plugin,
   return NULL;
 }
 
+static GtkFileFilter *
+default_get_file_filter (VinagrePlugin *plugin)
+{
+  return NULL;
+}
+
 static void
 vinagre_plugin_get_property (GObject    *object,
 			   guint       prop_id,
@@ -189,6 +195,7 @@ vinagre_plugin_class_init (VinagrePluginClass *klass)
 	klass->get_mdns_service = default_get_protocol;
 	klass->new_tab = default_new_tab;
 	klass->get_connect_widget = default_get_connect_widget;
+	klass->get_file_filter = default_get_file_filter;
 	
 	klass->create_configure_dialog = create_configure_dialog;
 	klass->is_configurable = is_configurable;
@@ -531,4 +538,19 @@ vinagre_plugin_get_connect_widget (VinagrePlugin     *plugin,
   return VINAGRE_PLUGIN_GET_CLASS (plugin)->get_connect_widget (plugin, initial_settings);
 }
 
+/**
+ * vinagre_plugin_get_file_filter
+ * @plugin: a #VinagrePlugin
+ *
+ *
+ * Returns: a filter to be used at Open File dialog
+ */
+GtkFileFilter *
+vinagre_plugin_get_file_filter (VinagrePlugin *plugin)
+{
+  g_return_val_if_fail (VINAGRE_IS_PLUGIN (plugin), NULL);
+
+  return VINAGRE_PLUGIN_GET_CLASS (plugin)->get_file_filter (plugin);
+}
+
 /* vim: set ts=8: */
diff --git a/vinagre/vinagre-plugin.h b/vinagre/vinagre-plugin.h
index 1a69136..4292f66 100644
--- a/vinagre/vinagre-plugin.h
+++ b/vinagre/vinagre-plugin.h
@@ -92,6 +92,8 @@ struct _VinagrePluginClass
   GtkWidget 	*(*get_connect_widget)		(VinagrePlugin     *plugin,
 						 VinagreConnection *initial_settings);
 
+  GtkFileFilter	*(*get_file_filter)		(VinagrePlugin     *plugin);
+
   /* Plugins should not override this, it's handled automatically by
      the VinagrePluginClass */
   gboolean 	(*is_configurable)		(VinagrePlugin *plugin);
@@ -140,6 +142,8 @@ GtkWidget 	*vinagre_plugin_new_tab			(VinagrePlugin     *plugin,
 GtkWidget 	*vinagre_plugin_get_connect_widget	(VinagrePlugin     *plugin,
 							 VinagreConnection *initial_settings);
 
+GtkFileFilter 	*vinagre_plugin_get_file_filter		(VinagrePlugin     *plugin);
+
 /**
  * VINAGRE_PLUGIN_REGISTER_TYPE_WITH_CODE(PluginName, plugin_name, CODE):
  *