[tracker/miner-fs-refactor: 6/93] libtracker-miner: avoid extra file type checks



commit 837f2267f098ea14897ffe0cacd231fc571d6da4
Author: Aleksander Morgado <aleksander lanedo com>
Date:   Wed Aug 3 11:18:49 2011 +0200

    libtracker-miner: avoid extra file type checks

 src/libtracker-miner/tracker-indexing-tree.c |   21 ++++++++----
 src/libtracker-miner/tracker-indexing-tree.h |    3 +-
 src/libtracker-miner/tracker-monitor.c       |   45 ++++++++++++++++++-------
 3 files changed, 48 insertions(+), 21 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-indexing-tree.c b/src/libtracker-miner/tracker-indexing-tree.c
index 1901441..791a76c 100644
--- a/src/libtracker-miner/tracker-indexing-tree.c
+++ b/src/libtracker-miner/tracker-indexing-tree.c
@@ -432,20 +432,24 @@ parent_or_equals (GFile *file1,
  * tracker_indexing_tree_file_is_indexable:
  * @tree: a #TrackerIndexingTree
  * @file: a #GFile
+ * @file_type: a #GFileType
  *
  * returns %TRUE if @file should be indexed according to the
  * parameters given through tracker_indexing_tree_add() and
- * tracker_indexing_tree_add_filter()
+ * tracker_indexing_tree_add_filter().
+ *
+ * If @file_type is #G_FILE_TYPE_UNKNOWN, file type will be queried to the
+ * file system.
  *
  * Returns: %TRUE if @file should be indexed.
  **/
 gboolean
 tracker_indexing_tree_file_is_indexable (TrackerIndexingTree *tree,
-                                         GFile               *file)
+                                         GFile               *file,
+                                         GFileType            file_type)
 {
 	TrackerIndexingTreePrivate *priv;
 	TrackerFilterType filter;
-	GFileType file_type;
 	NodeData *data;
 	GNode *parent;
 
@@ -454,9 +458,10 @@ tracker_indexing_tree_file_is_indexable (TrackerIndexingTree *tree,
 
 	priv = tree->priv;
 
-	file_type = g_file_query_file_type (file,
-	                                    G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
-	                                    NULL);
+	if (file_type == G_FILE_TYPE_UNKNOWN)
+		file_type = g_file_query_file_type (file,
+		                                    G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
+		                                    NULL);
 
 	filter = (file_type == G_FILE_TYPE_DIRECTORY) ?
 		TRACKER_FILTER_DIRECTORY : TRACKER_FILTER_FILE;
@@ -501,7 +506,9 @@ tracker_indexing_tree_parent_is_indexable (TrackerIndexingTree  *tree,
 {
 	gint i = 0;
 
-	if (!tracker_indexing_tree_file_is_indexable (tree, parent)) {
+	if (!tracker_indexing_tree_file_is_indexable (tree,
+	                                              parent,
+	                                              G_FILE_TYPE_DIRECTORY)) {
 		return FALSE;
 	}
 
diff --git a/src/libtracker-miner/tracker-indexing-tree.h b/src/libtracker-miner/tracker-indexing-tree.h
index def7c57..b57b4e8 100644
--- a/src/libtracker-miner/tracker-indexing-tree.h
+++ b/src/libtracker-miner/tracker-indexing-tree.h
@@ -72,7 +72,8 @@ gboolean  tracker_indexing_tree_file_matches_filter  (TrackerIndexingTree  *tree
                                                       GFile                *file);
 
 gboolean  tracker_indexing_tree_file_is_indexable    (TrackerIndexingTree  *tree,
-                                                      GFile                *file);
+                                                      GFile                *file,
+                                                      GFileType             file_type);
 gboolean  tracker_indexing_tree_parent_is_indexable  (TrackerIndexingTree  *tree,
                                                       GFile                *parent,
                                                       GFile               **children,
diff --git a/src/libtracker-miner/tracker-monitor.c b/src/libtracker-miner/tracker-monitor.c
index 0719ded..2a18165 100644
--- a/src/libtracker-miner/tracker-monitor.c
+++ b/src/libtracker-miner/tracker-monitor.c
@@ -699,9 +699,13 @@ emit_signal_for_event (TrackerMonitor *monitor,
 			                            event_data->file);
 		}
 
+		/* Try to avoid firing up events for ignored files */
 		if (monitor->priv->tree &&
 		    !tracker_indexing_tree_file_is_indexable (monitor->priv->tree,
-		                                              event_data->file)) {
+		                                              event_data->file,
+		                                              (event_data->is_directory ?
+		                                               G_FILE_TYPE_DIRECTORY :
+		                                               G_FILE_TYPE_REGULAR))) {
 			g_debug ("Emitting ITEM_UPDATED for %s (%s) from "
 			         "a move event, source is not indexable",
 			         event_data->other_file_uri,
@@ -712,7 +716,10 @@ emit_signal_for_event (TrackerMonitor *monitor,
 			               event_data->is_directory);
 		} else if (monitor->priv->tree &&
 		           !tracker_indexing_tree_file_is_indexable (monitor->priv->tree,
-		                                                     event_data->other_file)) {
+		                                                     event_data->other_file,
+		                                                     (event_data->is_directory ?
+		                                                      G_FILE_TYPE_DIRECTORY :
+		                                                      G_FILE_TYPE_REGULAR))) {
 			g_debug ("Emitting ITEM_DELETED for %s (%s) from "
 			         "a move event, destination is not indexable",
 			         event_data->file_uri,
@@ -726,7 +733,6 @@ emit_signal_for_event (TrackerMonitor *monitor,
 			         event_data->is_directory ? "DIRECTORY" : "FILE",
 			         event_data->file_uri,
 			         event_data->other_file_uri);
-
 			g_signal_emit (monitor,
 			               signals[ITEM_MOVED], 0,
 			               event_data->file,
@@ -1207,27 +1213,45 @@ monitor_event_cb (GFileMonitor      *file_monitor,
 	file_uri = g_file_get_uri (file);
 
 	if (!other_file) {
+		is_directory = check_is_directory (monitor, file);
+
 		/* Avoid non-indexable-files */
 		if (monitor->priv->tree &&
 		    !tracker_indexing_tree_file_is_indexable (monitor->priv->tree,
-		                                              file)) {
+		                                              file,
+		                                              (is_directory ?
+		                                               G_FILE_TYPE_DIRECTORY :
+		                                               G_FILE_TYPE_REGULAR))) {
 			g_free (file_uri);
 			return;
 		}
 
 		other_file_uri = NULL;
-		g_debug ("Received monitor event:%d (%s) for file:'%s'",
+		g_debug ("Received monitor event:%d (%s) for %s:'%s'",
 		         event_type,
 		         monitor_event_to_string (event_type),
+		         is_directory ? "directory" : "file",
 		         file_uri);
-		is_directory = check_is_directory (monitor, file);
 	} else {
+		/* If we have other_file, it means an item was moved from file to other_file;
+		 * so, it makes sense to check if the other_file is directory instead of
+		 * the origin file, as this one will not exist any more */
+		is_directory = check_is_directory (monitor, other_file);
+
 		/* Avoid doing anything of both
 		 * file/other_file are non-indexable
 		 */
 		if (monitor->priv->tree &&
-		    !tracker_indexing_tree_file_is_indexable (monitor->priv->tree, file) &&
-		    !tracker_indexing_tree_file_is_indexable (monitor->priv->tree, other_file)) {
+		    !tracker_indexing_tree_file_is_indexable (monitor->priv->tree,
+		                                              file,
+		                                              (is_directory ?
+		                                               G_FILE_TYPE_DIRECTORY :
+		                                               G_FILE_TYPE_REGULAR)) &&
+		    !tracker_indexing_tree_file_is_indexable (monitor->priv->tree,
+		                                              other_file,
+		                                              (is_directory ?
+		                                               G_FILE_TYPE_DIRECTORY :
+		                                               G_FILE_TYPE_REGULAR))) {
 			g_free (file_uri);
 			return;
 		}
@@ -1238,11 +1262,6 @@ monitor_event_cb (GFileMonitor      *file_monitor,
 		         monitor_event_to_string (event_type),
 		         file_uri,
 		         other_file_uri);
-
-		/* If we have other_file, it means an item was moved from file to other_file;
-		 * so, it makes sense to check if the other_file is directory instead of
-		 * the origin file, as this one will not exist any more */
-		is_directory = check_is_directory (monitor, other_file);
 	}
 
 #ifdef PAUSE_ON_IO



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