edje: reduce memory used per callback.

SVN revision: 76517

legacy/edje/ChangeLog

@@ -615,6 +615,11 @@
 
 2012-09-11  Carsten Haitzler (The Rasterman)
 
-        * Improve memory footrpint by cutting core edje real part
+        * Improve memory footprint by cutting core edje real part
         struct down by less than half its size and making some parts allocated
         extra only if the type needs it.
+
+2012-09-12  Cedric Bail
+
+	* Small improvement in memory footprint by using an array instead of a list for
+	some callback list.

legacy/edje/NEWS

@@ -16,6 +16,7 @@ Improvements:
     * O(1) lookup when generating alias of group.
     * O(1) access time for parameters in edje_cc_handler.
     * Recycle and use less memory during load time.
+    * Less memory used per callbacks.
 
 Fixes:
 

legacy/edje/src/lib/edje_match.c

@@ -750,13 +750,13 @@ edje_match_program_hash_build(Edje_Program * const *programs,
 
 		  item->signal = programs[i]->signal;
 		  item->source = programs[i]->source;
-		  item->list = NULL;
+		  eina_array_step_set(&item->list, sizeof (Eina_Array), 8);
 
 		  new = eina_rbtree_inline_insert(new, EINA_RBTREE_GET(item),
 						  EINA_RBTREE_CMP_NODE_CB(_edje_signal_source_node_cmp), NULL);
 	       }
 
-	     item->list = eina_list_prepend(item->list, programs[i]);
+	     eina_array_push(&item->list, programs[i]);
 	  }
 	else
            result = eina_list_prepend(result, programs[i]);
@@ -791,13 +791,13 @@ edje_match_callback_hash_build(const Eina_List *callbacks,
 
 		  item->signal = callback->signal;
 		  item->source = callback->source;
-		  item->list = NULL;
+		  eina_array_step_set(&item->list, sizeof (Eina_Array), 8);
 
 		  new = eina_rbtree_inline_insert(new, EINA_RBTREE_GET(item),
 						  EINA_RBTREE_CMP_NODE_CB(_edje_signal_source_node_cmp), NULL);
 	       }
 
-	     item->list = eina_list_prepend(item->list, callback);
+	     eina_array_push(&item->list, callback);
 	  }
 	else
            result = eina_list_prepend(result, callback);
@@ -807,7 +807,7 @@ edje_match_callback_hash_build(const Eina_List *callbacks,
    return result;
 }
 
-const Eina_List *
+const Eina_Array *
 edje_match_signal_source_hash_get(const char *sig,
 				  const char *source,
 				  const Eina_Rbtree *tree)
@@ -817,13 +817,13 @@ edje_match_signal_source_hash_get(const char *sig,
    lookup = (Edje_Signal_Source_Char*) eina_rbtree_inline_lookup(tree, sig, 0,
 								 EINA_RBTREE_CMP_KEY_CB(_edje_signal_source_key_cmp), source);
 
-   if (lookup) return lookup->list;
+   if (lookup) return &lookup->list;
    return NULL;
 }
 
 void
 edje_match_signal_source_free(Edje_Signal_Source_Char *key, __UNUSED__ void *data)
 {
-   eina_list_free(key->list);
+   eina_array_flush(&key->list);
    free(key);
 }

legacy/edje/src/lib/edje_private.h

@@ -1083,7 +1083,7 @@ struct _Edje_Signal_Source_Char
    const char *signal;
    const char *source;
 
-   Eina_List *list;
+   Eina_Array  list;
 };
 
 struct _Edje_Signals_Sources_Patterns
@@ -1672,9 +1672,9 @@ Eina_List *edje_match_program_hash_build(Edje_Program * const * programs,
 					 Eina_Rbtree **tree);
 Eina_List *edje_match_callback_hash_build(const Eina_List *callbacks,
 					  Eina_Rbtree **tree);
-const Eina_List *edje_match_signal_source_hash_get(const char *signal,
-						   const char *source,
-						   const Eina_Rbtree *tree);
+const Eina_Array *edje_match_signal_source_hash_get(const char *signal,
+						    const char *source,
+						    const Eina_Rbtree *tree);
 void edje_match_signal_source_free(Edje_Signal_Source_Char *key, void *data);
 
 // FIXME remove below 2 eapi decls when edje_convert goes

legacy/edje/src/lib/edje_program.c

@@ -1211,9 +1211,13 @@ _edje_emit_handle(Edje *ed, const char *sig, const char *src,
 
              if (ed->table_programs_size > 0)
                {
-		  const Eina_List *match;
+		  const Eina_Array *match;
+#ifdef EDJE_PROGRAM_CACHE
 		  const Eina_List *l;
+#endif
 		  Edje_Program *pr;
+		  Eina_Array_Iterator iterator;
+		  unsigned int i;       
 
 		  if (ed->patterns.programs.u.programs.globing)
 		    if (edje_match_programs_exec(ed->patterns.programs.signals_patterns,
@@ -1228,8 +1232,9 @@ _edje_emit_handle(Edje *ed, const char *sig, const char *src,
 
 		  match = edje_match_signal_source_hash_get(sig, src,
 							    ed->patterns.programs.exact_match);
-		  EINA_LIST_FOREACH(match, l, pr)
-		    _edje_glob_callback(pr, &data);
+                  if (match)
+                    EINA_ARRAY_ITER_NEXT(match, i, pr, iterator)
+                      _edje_glob_callback(pr, &data);
 
 #ifdef EDJE_PROGRAM_CACHE
                   EINA_LIST_FOREACH(data.matches, l, pr)
@@ -1307,8 +1312,9 @@ _edje_emit_cb(Edje *ed, const char *sig, const char *src, Edje_Message_Signal_Da
    if (ed->callbacks)
      {
 	Edje_Signal_Callback *escb;
-	const Eina_List *match;
-	const Eina_List *l2;
+	const Eina_Array *match;
+        Eina_Array_Iterator iterator;
+        unsigned int i;
         int r = 1;
         callback_extra_data = (data) ? data->data : NULL;
 
@@ -1327,16 +1333,17 @@ _edje_emit_cb(Edje *ed, const char *sig, const char *src, Edje_Message_Signal_Da
 
 	match = edje_match_signal_source_hash_get(sig, src,
 						  ed->patterns.callbacks.exact_match);
-	EINA_LIST_FOREACH(match, l2, escb)
-          {
-             if ((prop) && (escb->propagate)) continue;
-             if ((!escb->just_added) && (!escb->delete_me))
-               {
-                  escb->func(escb->data, ed->obj, sig, src);
-                  if (_edje_block_break(ed))
-                    break;
-               }
-          }
+        if (match)
+          EINA_ARRAY_ITER_NEXT(match, i, escb, iterator)
+            {
+               if ((prop) && (escb->propagate)) continue;
+               if ((!escb->just_added) && (!escb->delete_me))
+                 {
+                    escb->func(escb->data, ed->obj, sig, src);
+                    if (_edje_block_break(ed))
+                      break;
+                 }
+            }
      }
    break_prog: