[tracker] libtracker-miner: Check for content filters being triggered on deletion checks

[Carlos Garnacho <carlosg src gnome org>]

commit 844a11db676ff12ff67820f1b426800c4908a304
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue May 3 01:02:29 2016 +0200

    libtracker-miner: Check for content filters being triggered on deletion checks
    
    Store temporarily whether a folder triggered a filter based on its content
    so we can perform the deletion of previously indexed files in that folder.

 src/libtracker-miner/tracker-file-notifier.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-file-notifier.c b/src/libtracker-miner/tracker-file-notifier.c
index 49f8aa8..a530223 100644
--- a/src/libtracker-miner/tracker-file-notifier.c
+++ b/src/libtracker-miner/tracker-file-notifier.c
@@ -65,6 +65,7 @@ typedef struct {
        guint directories_ignored;
        guint files_found;
        guint files_ignored;
+       guint current_dir_content_filtered : 1;
 } RootData;
 
 typedef struct {
@@ -262,6 +263,8 @@ crawler_check_directory_contents_cb (TrackerCrawler *crawler,
                } else {
                        tracker_monitor_remove (priv->monitor, canonical);
                }
+       } else {
+               priv->current_index_root->current_dir_content_filtered = TRUE;
        }
 
        return process;
@@ -611,7 +614,8 @@ sparql_contents_check_deleted (TrackerFileNotifier *notifier,
                                                        file_type,
                                                        iri, 0);
                        g_signal_emit (notifier, signals[FILE_DELETED], 0, canonical);
-               } else if (!tracker_indexing_tree_file_is_indexable (priv->indexing_tree,
+               } else if (priv->current_index_root->current_dir_content_filtered ||
+                          !tracker_indexing_tree_file_is_indexable (priv->indexing_tree,
                                                                     canonical,
                                                                     file_type)) {
                        /* File is there, but is not indexable anymore, remove too */
@@ -671,6 +675,7 @@ finish_current_directory (TrackerFileNotifier *notifier,
        priv = notifier->priv;
        directory = priv->current_index_root->current_dir;
        priv->current_index_root->current_dir = NULL;
+       priv->current_index_root->current_dir_content_filtered = FALSE;
 
        /* If crawling was interrupted, we take all collected info as invalid.
         * Otherwise we dispose regular files here, only directories are
@@ -880,6 +885,7 @@ sparql_files_query_cb (GObject      *object,
        flags = priv->current_index_root->flags;
 
        if ((flags & TRACKER_DIRECTORY_FLAG_CHECK_DELETED) != 0 ||
+           priv->current_index_root->current_dir_content_filtered ||
            file_notifier_is_directory_modified (notifier, directory)) {
                /* The directory has updated its mtime, this means something
                 * was either added or removed in the mean time. Crawling