[gnome-photos] item-manager: Don't look for collections in wait_for_changes_table

[Debarshi Ray <debarshir src gnome org>]

commit 8c3555d964531f3aa78f03b2fde3e8d630821d81
Author: Kartikeya Sharma <09kartikeya gmail com>
Date:   Thu Dec 29 15:40:17 2016 +0530

    item-manager: Don't look for collections in wait_for_changes_table
    
    Collections are stored in tracker's database. Unlike local BaseItems,
    they are not going to undergo atomic file updates that can possibly
    change their URN. Therefore we don't need to track them in the
    wait_for_changes_table GHashTable.
    
    Moreoever, local collections don't have a URI. So we don't have a key
    to look for them in the GHashTable.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=776565

 src/photos-item-manager.c |   49 +++++++++++++++++++++++++-------------------
 1 files changed, 28 insertions(+), 21 deletions(-)
---
diff --git a/src/photos-item-manager.c b/src/photos-item-manager.c
index 0d0796e..cb653cb 100644
--- a/src/photos-item-manager.c
+++ b/src/photos-item-manager.c
@@ -162,6 +162,18 @@ photos_item_manager_check_wait_for_changes (PhotosItemManager *self, const gchar
 }
 
 
+static gboolean
+photos_item_manager_cursor_is_collection (TrackerSparqlCursor *cursor)
+{
+  gboolean ret_val;
+  const gchar *rdf_type;
+
+  rdf_type = tracker_sparql_cursor_get_string (cursor, PHOTOS_QUERY_COLUMNS_RDF_TYPE, NULL);
+  ret_val = strstr (rdf_type, "nfo#DataContainer") != NULL;
+  return ret_val;
+}
+
+
 static void
 photos_item_manager_item_created_executed (GObject *source_object, GAsyncResult *res, gpointer user_data)
 {
@@ -169,8 +181,6 @@ photos_item_manager_item_created_executed (GObject *source_object, GAsyncResult
   GError *error = NULL;
   PhotosSingleItemJob *job = PHOTOS_SINGLE_ITEM_JOB (source_object);
   TrackerSparqlCursor *cursor = NULL;
-  const gchar *id;
-  const gchar *uri;
 
   cursor = photos_single_item_job_finish (job, res, &error);
   if (error != NULL)
@@ -185,9 +195,15 @@ photos_item_manager_item_created_executed (GObject *source_object, GAsyncResult
 
   photos_item_manager_add_item (self, cursor, FALSE);
 
-  id = tracker_sparql_cursor_get_string (cursor, PHOTOS_QUERY_COLUMNS_URN, NULL);
-  uri = tracker_sparql_cursor_get_string (cursor, PHOTOS_QUERY_COLUMNS_URI, NULL);
-  photos_item_manager_check_wait_for_changes (self, id, uri);
+  if (!photos_item_manager_cursor_is_collection (cursor))
+    {
+      const gchar *id;
+      const gchar *uri;
+
+      id = tracker_sparql_cursor_get_string (cursor, PHOTOS_QUERY_COLUMNS_URN, NULL);
+      uri = tracker_sparql_cursor_get_string (cursor, PHOTOS_QUERY_COLUMNS_URI, NULL);
+      photos_item_manager_check_wait_for_changes (self, id, uri);
+    }
 
  out:
   g_clear_object (&cursor);
@@ -238,12 +254,15 @@ photos_item_manager_changes_pending_foreach (gpointer key, gpointer value, gpoin
       object = photos_base_manager_get_object_by_id (PHOTOS_BASE_MANAGER (self), change_urn);
       if (object != NULL)
         {
-          const gchar *uri;
-
           photos_base_item_refresh (PHOTOS_BASE_ITEM (object));
 
-          uri = photos_base_item_get_uri (PHOTOS_BASE_ITEM (object));
-          photos_item_manager_check_wait_for_changes (self, change_urn, uri);
+          if (!photos_base_item_is_collection (PHOTOS_BASE_ITEM (object)))
+           {
+              const gchar *uri;
+
+              uri = photos_base_item_get_uri (PHOTOS_BASE_ITEM (object));
+              photos_item_manager_check_wait_for_changes (self, change_urn, uri);
+           }
         }
     }
   else if (change_type == PHOTOS_TRACKER_CHANGE_EVENT_CREATED)
@@ -299,18 +318,6 @@ photos_item_manager_collection_path_free (PhotosItemManager *self)
 
 
 static gboolean
-photos_item_manager_cursor_is_collection (TrackerSparqlCursor *cursor)
-{
-  gboolean ret_val;
-  const gchar *rdf_type;
-
-  rdf_type = tracker_sparql_cursor_get_string (cursor, PHOTOS_QUERY_COLUMNS_RDF_TYPE, NULL);
-  ret_val = strstr (rdf_type, "nfo#DataContainer") != NULL;
-  return ret_val;
-}
-
-
-static gboolean
 photos_item_manager_cursor_is_favorite (TrackerSparqlCursor *cursor)
 {
   gboolean favorite;