[gnome-photos/wip/rishi/item-manager] Make hide/unhide item work with child base managers

[Umang Jain <uajain src gnome org>]

commit dd3d05c8ae690242e4cf0d3a1f98543da26de723
Author: Umang Jain <mailumangjain gmail com>
Date:   Tue Aug 16 22:42:59 2016 +0530

    Make hide/unhide item work with child base managers

 src/photos-item-manager.c |   35 +++++++++++++++++++++++++++++++++--
 1 files changed, 33 insertions(+), 2 deletions(-)
---
diff --git a/src/photos-item-manager.c b/src/photos-item-manager.c
index f4a18ab..8404bc2 100644
--- a/src/photos-item-manager.c
+++ b/src/photos-item-manager.c
@@ -787,6 +787,8 @@ void
 photos_item_manager_hide_item (PhotosItemManager *self, PhotosBaseItem *item)
 {
   PhotosBaseItem *old_hidden_item;
+  PhotosBaseManager *item_mngr_chld;
+  PhotosWindowMode mode;
   const gchar *id;
 
   g_return_if_fail (PHOTOS_IS_ITEM_MANAGER (self));
@@ -799,7 +801,21 @@ photos_item_manager_hide_item (PhotosItemManager *self, PhotosBaseItem *item)
   g_return_if_fail (old_hidden_item == NULL);
 
   g_hash_table_insert (self->hidden_items, g_strdup (id), g_object_ref (item));
-  photos_base_manager_remove_object_by_id (PHOTOS_BASE_MANAGER (self), id);
+
+  if (photos_base_item_is_collection (item))
+    {
+      g_hash_table_remove (self->collections, id);
+      mode = PHOTOS_WINDOW_MODE_COLLECTIONS;
+    }
+  else
+    {
+      mode = PHOTOS_WINDOW_MODE_OVERVIEW;
+    }
+
+  item_mngr_chld = self->item_mngr_chldrn[mode];
+  photos_base_manager_remove_object_by_id (item_mngr_chld, id);
+  g_signal_emit_by_name (self, "object-removed", G_OBJECT (item));
+
 }
 
 
@@ -807,6 +823,8 @@ void
 photos_item_manager_unhide_item (PhotosItemManager *self, PhotosBaseItem *item)
 {
   PhotosBaseItem *hidden_item;
+  PhotosBaseManager *item_mngr_chld;
+  PhotosWindowMode mode;
   const gchar *id;
 
   g_return_if_fail (PHOTOS_IS_ITEM_MANAGER (self));
@@ -818,7 +836,20 @@ photos_item_manager_unhide_item (PhotosItemManager *self, PhotosBaseItem *item)
   hidden_item = PHOTOS_BASE_ITEM (g_hash_table_lookup (self->hidden_items, id));
   g_return_if_fail (hidden_item == item);
 
-  photos_base_manager_add_object (PHOTOS_BASE_MANAGER (self), G_OBJECT (item));
+  if (photos_base_item_is_collection (hidden_item))
+    {
+      g_hash_table_insert (self->collections, g_strdup (id), g_object_ref (item));
+      mode = PHOTOS_WINDOW_MODE_COLLECTIONS;
+    }
+  else
+    {
+      mode = PHOTOS_WINDOW_MODE_OVERVIEW;
+    }
+
+  item_mngr_chld = self->item_mngr_chldrn[mode];
+  photos_base_manager_add_object (item_mngr_chld, G_OBJECT (item));
+  g_signal_emit_by_name (self, "object-added", G_OBJECT (item));
+
   g_hash_table_remove (self->hidden_items, id);
 }