[tracker] libtracker-miner: Allow to invalidate files iri recursively

[Carlos Garnacho <carlosg src gnome org>]

commit de017390435c8242225bb348acabee897c406e2c
Author: Haithem BEN GHORBAL <haithem benghorbal gmail com>
Date:   Thu Feb 11 13:46:57 2016 +0100

    libtracker-miner: Allow to invalidate files iri recursively
    
    This will be useful for delete operations.

 src/libtracker-miner/tracker-file-notifier.c |   37 +++++++++++++++++++++----
 src/libtracker-miner/tracker-file-notifier.h |    3 +-
 src/libtracker-miner/tracker-miner-fs.c      |    2 +-
 3 files changed, 34 insertions(+), 8 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-file-notifier.c b/src/libtracker-miner/tracker-file-notifier.c
index f95cea4..6356804 100644
--- a/src/libtracker-miner/tracker-file-notifier.c
+++ b/src/libtracker-miner/tracker-file-notifier.c
@@ -1782,9 +1782,24 @@ tracker_file_notifier_get_file_iri (TrackerFileNotifier *notifier,
        return iri;
 }
 
+static gboolean
+file_notifier_invalidate_file_iri_foreach (GFile    *file,
+                                           gpointer  user_data)
+{
+       TrackerFileSystem *file_system = user_data;
+
+       tracker_file_system_set_property (file_system,
+                                         file,
+                                         quark_property_iri,
+                                         NULL);
+
+       return FALSE;
+}
+
 void
 tracker_file_notifier_invalidate_file_iri (TrackerFileNotifier *notifier,
-                                           GFile               *file)
+                                           GFile               *file,
+                                           gboolean             recursive)
 {
        TrackerFileNotifierPrivate *priv;
        GFile *canonical;
@@ -1801,11 +1816,21 @@ tracker_file_notifier_invalidate_file_iri (TrackerFileNotifier *notifier,
                return;
        }
 
-       /* Set a NULL iri, so we make sure to look it up afterwards */
-       tracker_file_system_set_property (priv->file_system,
-                                         canonical,
-                                         quark_property_iri,
-                                         NULL);
+       if (!recursive) {
+               /* Set a NULL iri, so we make sure to look it up afterwards */
+               tracker_file_system_set_property (priv->file_system,
+                                                 canonical,
+                                                 quark_property_iri,
+                                                 NULL);
+               return;
+       }
+
+       tracker_file_system_traverse (priv->file_system,
+                                     canonical,
+                                     G_PRE_ORDER,
+                                     file_notifier_invalidate_file_iri_foreach,
+                                     -1,
+                                     priv->file_system);
 }
 
 GFileType
diff --git a/src/libtracker-miner/tracker-file-notifier.h b/src/libtracker-miner/tracker-file-notifier.h
index e365774..e8ef3a6 100644
--- a/src/libtracker-miner/tracker-file-notifier.h
+++ b/src/libtracker-miner/tracker-file-notifier.h
@@ -91,7 +91,8 @@ const gchar * tracker_file_notifier_get_file_iri (TrackerFileNotifier     *notif
                                                   gboolean                 force);
 
 void          tracker_file_notifier_invalidate_file_iri (TrackerFileNotifier *notifier,
-                                                         GFile               *file);
+                                                         GFile               *file,
+                                                         gboolean             recursive);
 
 GFileType     tracker_file_notifier_get_file_type (TrackerFileNotifier *notifier,
                                                    GFile               *file);
diff --git a/src/libtracker-miner/tracker-miner-fs.c b/src/libtracker-miner/tracker-miner-fs.c
index b3fa7fc..6ce7c0a 100644
--- a/src/libtracker-miner/tracker-miner-fs.c
+++ b/src/libtracker-miner/tracker-miner-fs.c
@@ -1335,7 +1335,7 @@ sparql_buffer_task_finished_cb (GObject      *object,
 
        task_file = tracker_task_get_file (task);
 
-       tracker_file_notifier_invalidate_file_iri (priv->file_notifier, task_file);
+       tracker_file_notifier_invalidate_file_iri (priv->file_notifier, task_file, FALSE);
 
        if (item_queue_is_blocked_by_file (fs, task_file)) {
                g_object_unref (priv->item_queue_blocker);