[tracker/miner-fs-refactor: 16/74] libtracker-miner: Add ::directory-added/removed signals to TrackerIndexingTree

[Carlos Garnacho <carlosg src gnome org>]

commit bb40027f750471097acd45e5966fc84dff3ac2e5
Author: Carlos Garnacho <carlos lanedo com>
Date:   Thu Sep 8 16:06:08 2011 +0200

    libtracker-miner: Add ::directory-added/removed signals to TrackerIndexingTree

 src/libtracker-miner/tracker-indexing-tree.c |   31 ++++++++++++++++++++++++++
 src/libtracker-miner/tracker-indexing-tree.h |    5 ++++
 2 files changed, 36 insertions(+), 0 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-indexing-tree.c b/src/libtracker-miner/tracker-indexing-tree.c
index 98fc34a..630a409 100644
--- a/src/libtracker-miner/tracker-indexing-tree.c
+++ b/src/libtracker-miner/tracker-indexing-tree.c
@@ -54,6 +54,14 @@ struct _TrackerIndexingTreePrivate
 	GList *filter_patterns;
 };
 
+enum {
+	DIRECTORY_ADDED,
+	DIRECTORY_REMOVED,
+	LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
 static NodeData *
 node_data_new (GFile *file,
                guint  flags)
@@ -131,6 +139,25 @@ tracker_indexing_tree_class_init (TrackerIndexingTreeClass *klass)
 
 	object_class->finalize = tracker_indexing_tree_finalize;
 
+	signals[DIRECTORY_ADDED] =
+		g_signal_new ("directory-added",
+		              G_OBJECT_CLASS_TYPE (object_class),
+		              G_SIGNAL_RUN_LAST,
+		              G_STRUCT_OFFSET (TrackerIndexingTreeClass,
+					       directory_added),
+			      NULL, NULL,
+			      g_cclosure_marshal_VOID__OBJECT,
+		              G_TYPE_NONE, 1, G_TYPE_FILE);
+	signals[DIRECTORY_REMOVED] =
+		g_signal_new ("directory-removed",
+		              G_OBJECT_CLASS_TYPE (object_class),
+		              G_SIGNAL_RUN_LAST,
+		              G_STRUCT_OFFSET (TrackerIndexingTreeClass,
+					       directory_removed),
+			      NULL, NULL,
+			      g_cclosure_marshal_VOID__OBJECT,
+		              G_TYPE_NONE, 1, G_TYPE_FILE);
+
 	g_type_class_add_private (object_class,
 	                          sizeof (TrackerIndexingTreePrivate));
 }
@@ -308,6 +335,8 @@ tracker_indexing_tree_add (TrackerIndexingTree   *tree,
 	/* Add the new node underneath the parent */
 	g_node_append (parent, node);
 
+	g_signal_emit (tree, signals[DIRECTORY_ADDED], 0, directory);
+
 #ifdef PRINT_INDEXING_TREE
 	/* Print tree */
 	print_tree (priv->config_tree);
@@ -357,6 +386,8 @@ tracker_indexing_tree_remove (TrackerIndexingTree *tree,
 	g_node_children_foreach (node, G_TRAVERSE_ALL,
 	                         check_reparent_node, parent);
 
+	g_signal_emit (tree, signals[DIRECTORY_REMOVED], 0, directory);
+
 	node_data_free (node->data);
 	g_node_destroy (node);
 }
diff --git a/src/libtracker-miner/tracker-indexing-tree.h b/src/libtracker-miner/tracker-indexing-tree.h
index b57b4e8..0623365 100644
--- a/src/libtracker-miner/tracker-indexing-tree.h
+++ b/src/libtracker-miner/tracker-indexing-tree.h
@@ -50,6 +50,11 @@ struct _TrackerIndexingTree
 struct _TrackerIndexingTreeClass
 {
 	GObjectClass parent_class;
+
+	void (* directory_added)   (TrackerIndexingTree *indexing_tree,
+				    GFile               *directory);
+	void (* directory_removed) (TrackerIndexingTree *indexing_tree,
+				    GFile               *directory);
 };
 
 GType                 tracker_indexing_tree_get_type (void) G_GNUC_CONST;