Signal "can-accept-item" is not emitted anymore
Declared in nautilus-canvas-container.h, defined in nautilus-canvas-container.c, trying to use it in nautilus-canvas-view.c, but no emissions:
$ grep -rni can.accept.item
nautilus-canvas-container.c:193: CAN_ACCEPT_ITEM,
nautilus-canvas-container.c:3965: signals[CAN_ACCEPT_ITEM]
nautilus-canvas-container.c:3966: = g_signal_new ("can-accept-item",
nautilus-canvas-container.c:3970: can_accept_item),
nautilus-canvas-dnd.c:951: * These "can_accept_items" tests need to be done by
nautilus-canvas-dnd.c:1192: * These "can_accept_items" tests need to be done by
nautilus-file.c:9320:nautilus_drag_can_accept_item (NautilusFile *drop_target_item,
nautilus-file.c:9333:nautilus_drag_can_accept_items (NautilusFile *drop_target_item,
nautilus-file.c:9351: if (!nautilus_drag_can_accept_item (drop_target_item,
nautilus-file.c:9370: return nautilus_drag_can_accept_items (drop_target_item, items);
nautilus-canvas-view.c:1299:canvas_view_can_accept_item (NautilusCanvasContainer *container,
nautilus-canvas-view.c:1304: return nautilus_drag_can_accept_item (target_item, item_uri);
nautilus-canvas-view.c:1417: g_signal_connect_object (canvas_container, "can-accept-item",
nautilus-canvas-view.c:1418: G_CALLBACK (canvas_view_can_accept_item), canvas_view, 0);
nautilus-canvas-container.h:158: gboolean (* can_accept_item) (NautilusCanvasContainer *container,
nautilus-file.h:500:gboolean nautilus_drag_can_accept_item (NautilusFile *drop_target_item,
nautilus-file.h:503:gboolean nautilus_drag_can_accept_items (NautilusFile *drop_target_item,