[tracker] libtracker-miner: Reindex elements on TrackerIndexingTree::child-updated

[Carlos Garnacho <carlosg src gnome org>]

commit 659e4c382edf2f5df2ff39b9b039f5e278452a92
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed May 25 00:52:38 2016 +0200

    libtracker-miner: Reindex elements on TrackerIndexingTree::child-updated
    
    Directories will be crawled according to the root directory flags, regular
    files will be notified upon right away.

 src/libtracker-miner/tracker-file-notifier.c |   37 ++++++++++++++++++++++++++
 1 files changed, 37 insertions(+), 0 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-file-notifier.c b/src/libtracker-miner/tracker-file-notifier.c
index d3fde03..4d3ec24 100644
--- a/src/libtracker-miner/tracker-file-notifier.c
+++ b/src/libtracker-miner/tracker-file-notifier.c
@@ -1560,6 +1560,41 @@ indexing_tree_directory_removed (TrackerIndexingTree *indexing_tree,
 }
 
 static void
+indexing_tree_child_updated (TrackerIndexingTree *indexing_tree,
+                             GFile               *root,
+                             GFile               *child,
+                             gpointer             user_data)
+{
+       TrackerFileNotifier *notifier = user_data;
+       TrackerFileNotifierPrivate *priv = notifier->priv;
+       TrackerDirectoryFlags flags;
+       GFileType child_type;
+       GFile *canonical;
+
+       child_type = g_file_query_file_type (child,
+                                            G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
+                                            NULL);
+
+       if (child_type == G_FILE_TYPE_UNKNOWN)
+               return;
+
+       canonical = tracker_file_system_get_file (priv->file_system,
+                                                 child, child_type, NULL);
+       tracker_indexing_tree_get_root (indexing_tree, child, &flags);
+
+       if (child_type == G_FILE_TYPE_DIRECTORY &&
+           (flags & TRACKER_DIRECTORY_FLAG_RECURSE)) {
+               flags |= TRACKER_DIRECTORY_FLAG_CHECK_DELETED;
+
+               notifier_queue_file (notifier, canonical, flags);
+               crawl_directories_start (notifier);
+       } else if (tracker_indexing_tree_file_is_indexable (priv->indexing_tree,
+                                                           canonical, child_type)) {
+               g_signal_emit (notifier, signals[FILE_UPDATED], 0, canonical, FALSE);
+       }
+}
+
+static void
 tracker_file_notifier_finalize (GObject *object)
 {
        TrackerFileNotifierPrivate *priv;
@@ -1615,6 +1650,8 @@ tracker_file_notifier_constructed (GObject *object)
                          G_CALLBACK (indexing_tree_directory_updated), object);
        g_signal_connect (priv->indexing_tree, "directory-removed",
                          G_CALLBACK (indexing_tree_directory_removed), object);
+       g_signal_connect (priv->indexing_tree, "child-updated",
+                         G_CALLBACK (indexing_tree_child_updated), object);
 
        /* Set up crawler */
        priv->crawler = tracker_crawler_new (priv->data_provider);