[gnome-photos] view-container: Assert that selection is restricted to the current mode

[Debarshi Ray <debarshir src gnome org>]

commit a243a9110ce6edb1a786d502ced2ec21594acc2b
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Aug 24 18:49:32 2016 +0200

    view-container: Assert that selection is restricted to the current mode

 src/photos-view-container.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/photos-view-container.c b/src/photos-view-container.c
index 0927183..d5ea674 100644
--- a/src/photos-view-container.c
+++ b/src/photos-view-container.c
@@ -215,6 +215,10 @@ photos_view_container_view_selection_changed (PhotosViewContainer *self)
 {
   GList *selected_urns;
   GList *selection;
+  PhotosWindowMode mode;
+
+  mode = photos_mode_controller_get_window_mode (self->mode_cntrlr);
+  g_return_if_fail (self->mode == mode);
 
   selection = gd_main_view_get_selection (self->view);
   selected_urns = photos_utils_get_urns_from_paths (selection, GTK_TREE_MODEL (self->model));