[tracker] TrackerMinerFiles: Do not trigger multiple rechecks on config file changes.

[Carlos Garnacho <carlosg src gnome org>]

commit 98882ac854da9d4edbb07a47043a5730ba484453
Author: Carlos Garnacho <carlos lanedo com>
Date:   Tue Mar 2 13:00:57 2010 +0100

    TrackerMinerFiles: Do not trigger multiple rechecks on config file changes.

 src/tracker-miner-fs/tracker-miner-files.c |   28 ++++++++++++++++++++++++++--
 1 files changed, 26 insertions(+), 2 deletions(-)
---
diff --git a/src/tracker-miner-fs/tracker-miner-files.c b/src/tracker-miner-fs/tracker-miner-files.c
index 2bb21e3..83aee39 100644
--- a/src/tracker-miner-fs/tracker-miner-files.c
+++ b/src/tracker-miner-fs/tracker-miner-files.c
@@ -77,6 +77,8 @@ struct TrackerMinerFilesPrivate {
 
 	GQuark quark_mount_point_uuid;
 	GQuark quark_directory_config_root;
+
+	guint force_recheck_id;
 };
 
 enum {
@@ -305,6 +307,11 @@ miner_files_finalize (GObject *object)
 	                                      object);
 	g_object_unref (priv->volume_monitor);
 
+	if (priv->force_recheck_id) {
+		g_source_remove (priv->force_recheck_id);
+		priv->force_recheck_id = 0;
+	}
+
 	G_OBJECT_CLASS (tracker_miner_files_parent_class)->finalize (object);
 }
 
@@ -1110,6 +1117,20 @@ index_single_directories_cb (GObject    *gobject,
         private->index_single_directories = tracker_gslist_copy_with_string_data (new_dirs);
 }
 
+static gboolean
+miner_files_force_recheck_idle (gpointer user_data)
+{
+	TrackerMinerFiles *miner_files = user_data;
+
+
+	/* Recheck all directories for compliance with the new config */
+	tracker_miner_fs_force_recheck (TRACKER_MINER_FS (miner_files));
+
+	miner_files->private->force_recheck_id = 0;
+
+	return FALSE;
+}
+
 static void
 ignore_directories_cb (GObject    *gobject,
                        GParamSpec *arg1,
@@ -1117,8 +1138,11 @@ ignore_directories_cb (GObject    *gobject,
 {
 	TrackerMinerFiles *miner_files = user_data;
 
-	/* Recheck all directories for compliance with the new config */
-	tracker_miner_fs_force_recheck (TRACKER_MINER_FS (miner_files));
+	if (miner_files->private->force_recheck_id == 0) {
+		/* Set idle so multiple changes in the config lead to one recheck */
+		miner_files->private->force_recheck_id =
+			g_idle_add (miner_files_force_recheck_idle, miner_files);
+	}
 }
 
 static gboolean