cache: steal the cache back hack.

src/bin/ui/ui_cache.c

@@ -14,7 +14,7 @@ evisum_ui_item_cache_new(Evas_Object *parent,
 
    for (int i = 0; i < size; i++)
      {
-        Item_Cache *it = calloc(1, sizeof(Item_Cache));
+        Item_Cache *it = malloc(sizeof(Item_Cache));
         if (it)
           {
              it->obj = cache->item_create_cb(parent);
@@ -25,6 +25,43 @@ evisum_ui_item_cache_new(Evas_Object *parent,
    return cache;
 }
 
+void
+evisum_ui_item_cache_steal(Evisum_Ui_Cache *cache, Eina_List *objs)
+{
+   Eina_List *l, *l_next, *l2;
+   Item_Cache *it;
+   Evas_Object *o;
+
+   EINA_LIST_FOREACH_SAFE(cache->active, l, l_next, it)
+     {
+        int found = 0;
+        EINA_LIST_FOREACH(objs, l2, o)
+          {
+             if (it->obj == o)
+               {
+                  found = 1;
+                  break;
+               }
+          }
+        if (!found)
+          {
+             cache->active = eina_list_remove_list(cache->active, l);
+             evas_object_del(it->obj);
+             free(it);
+          }
+     }
+   if (eina_list_count(cache->inactive)) return;
+   for (int i = 0; i < cache->size; i++)
+     {
+        Item_Cache *it = malloc(sizeof(Item_Cache));
+        if (it)
+          {
+             it->obj = cache->item_create_cb(cache->parent);
+             cache->inactive = eina_list_prepend(cache->inactive, it);
+          }
+     }
+}
+
 Item_Cache *
 evisum_ui_item_cache_item_get(Evisum_Ui_Cache *cache)
 {
@@ -79,6 +116,7 @@ evisum_ui_item_cache_item_release(Evisum_Ui_Cache *cache, Evas_Object *obj)
    Eina_List *l, *l_next;
    Eina_Bool released = EINA_FALSE;
 
+   if (!cache->active) return EINA_FALSE;
    int n = eina_list_count(cache->inactive);
 
    EINA_LIST_FOREACH_SAFE(cache->active, l, l_next, it)

src/bin/ui/ui_cache.h

@@ -31,5 +31,8 @@ evisum_ui_item_cache_free(Evisum_Ui_Cache *cache);
 void
 evisum_ui_item_cache_reset(Evisum_Ui_Cache *cache);
 
+void
+evisum_ui_item_cache_steal(Evisum_Ui_Cache *cache, Eina_List *objs);
+
 
 #endif

src/bin/ui/ui_process_list.c

@@ -227,7 +227,10 @@ _item_unrealized_cb(void *data, Evas_Object *obj EINA_UNUSED,
 
    EINA_LIST_FREE(contents, o)
      {
-        evisum_ui_item_cache_item_release(pd->cache, o);
+        if (!evisum_ui_item_cache_item_release(pd->cache, o))
+          {
+             evas_object_del(o);
+          }
      }
 }
 
@@ -548,7 +551,9 @@ _genlist_ensure_n_items(Evas_Object *genlist, unsigned int items,
            {
               it = elm_genlist_last_item_get(genlist);
               if (it)
-                elm_object_item_del(it);
+                {
+                   elm_object_item_del(it);
+                }
            }
       }
 
@@ -775,8 +780,7 @@ _process_list_feedback_cb(void *data, Ecore_Thread *thread EINA_UNUSED,
    int n = eina_list_count(pd->cache->active);
    if (n > eina_list_count(real) * 2)
      {
-        elm_genlist_clear(pd->genlist);
-        evisum_ui_item_cache_reset(pd->cache);
+        evisum_ui_item_cache_steal(pd->cache, real);
         pd->skip_wait = 1;
      }
    eina_list_free(real);