Player: reset evas pointer inside list on deletion

src/bin/player.c

@@ -569,6 +569,7 @@ _stabilization_timer_cb(void *data EINA_UNUSED)
    _printf(2, "Not stable yet!\n");
    EINA_LIST_FOREACH(_evas_list, itr, e)
      {
+        if (!e) continue;
         Exactness_Image *last_img = efl_key_data_get(e, "_last_stab_shot");
         Exactness_Image *cur_img = _snapshot_shot_get(e);
         if (!last_img || exactness_image_compare(last_img, cur_img, NULL)) need_more = STAB_MAX;
@@ -962,6 +963,13 @@ _old_shots_rm_cb(const char *name, const char *path, void *data)
      }
 }
 
+static void
+_evas_del_cb(void *data EINA_UNUSED, const Efl_Event *event)
+{
+   Eina_List *p = eina_list_data_find_list(_evas_list, event->object);
+   eina_list_data_set(p, NULL);
+}
+
 static Evas *
 _my_evas_new(int w EINA_UNUSED, int h EINA_UNUSED)
 {
@@ -972,6 +980,7 @@ _my_evas_new(int w EINA_UNUSED, int h EINA_UNUSED)
      {
         _printf(1, "New Evas\n");
         _evas_list = eina_list_append(_evas_list, e);
+        efl_event_callback_add(e, EFL_EVENT_DEL, _evas_del_cb, NULL);
         efl_event_callback_add(e, EFL_CANVAS_SCENE_EVENT_RENDER_POST, _evas_render_post_cb, NULL);
      }
    return e;