path: root/libraries/edje/src/lib/edje_message_queue.c

#include "edje_private.h"

static void _edje_object_message_popornot_send(Evas_Object *obj, Edje_Message_Type type, int id, void *msg, Eina_Bool prop);

static int _injob = 0;
static Ecore_Job *_job = NULL;
static Ecore_Timer *_job_loss_timer = NULL;

static Eina_List *msgq = NULL;
static Eina_List *tmp_msgq = NULL;
static int tmp_msgq_processing = 0;
static int tmp_msgq_restart = 0;

/*============================================================================*
 *                                   API                                      *
 *============================================================================*/

static void
_edje_object_message_popornot_send(Evas_Object *obj, Edje_Message_Type type, int id, void *msg, Eina_Bool prop)
{
   Edje *ed;
   Eina_List *l;
   Evas_Object *o;

   ed = _edje_fetch(obj);
   if (!ed) return;
   _edje_message_propornot_send(ed, EDJE_QUEUE_SCRIPT, type, id, msg, prop);
   EINA_LIST_FOREACH(ed->subobjs, l, o)
     {
        _edje_object_message_popornot_send(o, type, id, msg, EINA_TRUE);
     }
}

EAPI void
edje_object_message_send(Evas_Object *obj, Edje_Message_Type type, int id, void *msg)
{
   _edje_object_message_popornot_send(obj, type, id, msg, EINA_FALSE);
}


EAPI void
edje_object_message_handler_set(Evas_Object *obj, Edje_Message_Handler_Cb func, void *data)
{
   Edje *ed;

   ed = _edje_fetch(obj);
   if (!ed) return;
   _edje_message_cb_set(ed, func, data);
}


EAPI void
edje_object_message_signal_process(Evas_Object *obj)
{
   Eina_List *l, *ln, *tmpq = NULL;
   Edje *ed;
   Edje_Message *em;
   int gotos = 0;

   ed = _edje_fetch(obj);
   if (!ed) return;

   for (l = msgq; l; )
     {
        ln = l->next;
        em = l->data;
        if (em->edje == ed)
          {
             tmpq = eina_list_append(tmpq, em);
             msgq = eina_list_remove_list(msgq, l);
          }
        l = ln;
     }
   /* a temporary message queue */
   if (tmp_msgq)
     {
	while (tmpq)
	  {
	     tmp_msgq = eina_list_append(tmp_msgq, tmpq->data);
	     tmpq = eina_list_remove_list(tmpq, tmpq);
	  }
     }
   else
     {
	tmp_msgq = tmpq;
	tmpq = NULL;
     }

   tmp_msgq_processing++;
again:
   EINA_LIST_FOREACH_SAFE(tmp_msgq, l, ln, em)
     {
        if (em->edje != ed) continue;
	tmp_msgq = eina_list_remove_list(tmp_msgq, l);
        if (!ed->delete_me)
          {
             ed->processing_messages++;
             _edje_message_process(em);
             _edje_message_free(em);
             ed->processing_messages--;
          }
        else
           _edje_message_free(em);
        if (ed->processing_messages == 0)
          {
             if (ed->delete_me) _edje_del(ed);
          }
        // if some child callback in _edje_message_process called
        // edje_object_message_signal_process() or
        // edje_message_signal_process() then those will mark the restart
        // flag when they finish - it mabsicammyt means tmp_msgq and
        // any item in it has potentially become invalid - so that means l
        // and ln could be rogue pointers, so start again from the beginning
        // and skip anything that is not this object and process only what is.
        // to avoid self-feeding loops allow a max of 1024 loops.
        if (tmp_msgq_restart)
          {
             tmp_msgq_restart = 0;
             gotos++;
             if (gotos < 1024) goto again;
             else
               {
                  WRN("Edje is in a self-feeding message loop (> 1024 gotos needed in a row)");
                  goto end;
               }
          }
     }
end:
   tmp_msgq_processing--;
   if (tmp_msgq_processing == 0)
      tmp_msgq_restart = 0;
   else
      tmp_msgq_restart = 1;
}


EAPI void
edje_message_signal_process(void)
{
   _edje_message_queue_process();
}


static Eina_Bool
_edje_dummy_timer(void *data __UNUSED__)
{
   return ECORE_CALLBACK_CANCEL;
}

static void
_edje_job(void *data __UNUSED__)
{
   if (_job_loss_timer)
     {
	ecore_timer_del(_job_loss_timer);
	_job_loss_timer = NULL;
     }
   _job = NULL;
   _injob++;
   _edje_message_queue_process();
   _injob--;
}

static Eina_Bool
_edje_job_loss_timer(void *data __UNUSED__)
{
   _job_loss_timer = NULL;
   if (!_job)
     {
        _job = ecore_job_add(_edje_job, NULL);
     }
   return ECORE_CALLBACK_CANCEL;
}

void
_edje_message_init(void)
{
}

void
_edje_message_shutdown(void)
{
   _edje_message_queue_clear();
   if (_job_loss_timer)
     {
        ecore_timer_del(_job_loss_timer);
        _job_loss_timer = NULL;
     }
   if (_job)
     {
        ecore_job_del(_job);
        _job = NULL;
     }
}

void
_edje_message_cb_set(Edje *ed, void (*func) (void *data, Evas_Object *obj, Edje_Message_Type type, int id, void *msg), void *data)
{
   Eina_List *l;
   Evas_Object *o;

   ed->message.func = func;
   ed->message.data = data;
   EINA_LIST_FOREACH(ed->subobjs, l, o)
     {
        Edje *edj2 = _edje_fetch(o);
        if (!edj2) continue;
        _edje_message_cb_set(edj2, func, data);
     }
}

Edje_Message *
_edje_message_new(Edje *ed, Edje_Queue queue, Edje_Message_Type type, int id)
{
   Edje_Message *em;

   em = calloc(1, sizeof(Edje_Message));
   if (!em) return NULL;
   em->edje = ed;
   em->queue = queue;
   em->type = type;
   em->id = id;
   em->edje->message.num++;
   return em;
}

void
_edje_message_free(Edje_Message *em)
{
   if (em->msg)
     {
	int i;

	switch (em->type)
	  {
	   case EDJE_MESSAGE_STRING:
	       {
		  Edje_Message_String *emsg;

		  emsg = (Edje_Message_String *)em->msg;
		  free(emsg->str);
		  free(emsg);
	       }
	     break;
	   case EDJE_MESSAGE_INT:
	       {
		  Edje_Message_Int *emsg;

		  emsg = (Edje_Message_Int *)em->msg;
		  free(emsg);
	       }
	     break;
	   case EDJE_MESSAGE_FLOAT:
	       {
		  Edje_Message_Float *emsg;

		  emsg = (Edje_Message_Float *)em->msg;
		  free(emsg);
	       }
	     break;
	   case EDJE_MESSAGE_INT_SET:
	       {
		  Edje_Message_Int_Set *emsg;

		  emsg = (Edje_Message_Int_Set *)em->msg;
		  free(emsg);
	       }
	     break;
	   case EDJE_MESSAGE_FLOAT_SET:
	       {
		  Edje_Message_Float_Set *emsg;

		  emsg = (Edje_Message_Float_Set *)em->msg;
		  free(emsg);
	       }
	     break;
	   case EDJE_MESSAGE_STRING_FLOAT:
	       {
		  Edje_Message_String_Float *emsg;

		  emsg = (Edje_Message_String_Float *)em->msg;
		  free(emsg->str);
		  free(emsg);
	       }
	     break;
	   case EDJE_MESSAGE_STRING_INT:
	       {
		  Edje_Message_String_Int *emsg;

		  emsg = (Edje_Message_String_Int *)em->msg;
		  free(emsg->str);
		  free(emsg);
	       }
	     break;
	   case EDJE_MESSAGE_STRING_FLOAT_SET:
	       {
		  Edje_Message_String_Float_Set *emsg;

		  emsg = (Edje_Message_String_Float_Set *)em->msg;
		  free(emsg->str);
		  free(emsg);
	       }
	     break;
	   case EDJE_MESSAGE_STRING_INT_SET:
	       {
		  Edje_Message_String_Int_Set *emsg;

		  emsg = (Edje_Message_String_Int_Set *)em->msg;
		  free(emsg->str);
		  free(emsg);
	       }
	     break;
	   case EDJE_MESSAGE_SIGNAL:
	       {
		  Edje_Message_Signal *emsg;

		  emsg = (Edje_Message_Signal *)em->msg;
		  if (emsg->sig) eina_stringshare_del(emsg->sig);
		  if (emsg->src) eina_stringshare_del(emsg->src);
                  if (emsg->data && (--(emsg->data->ref) == 0))
                    {
                       if (emsg->data->free_func)
                         {
                            emsg->data->free_func(emsg->data->data);
                         }
                       free(emsg->data);
                    }
		  free(emsg);
	       }
	     break;
	   case EDJE_MESSAGE_STRING_SET:
	       {
		  Edje_Message_String_Set *emsg;

		  emsg = (Edje_Message_String_Set *)em->msg;
		  for (i = 0; i < emsg->count; i++)
		    free(emsg->str[i]);
		  free(emsg);
	       }
	     break;
	   case EDJE_MESSAGE_NONE:
	   default:
	     break;
	  }
     }
   free(em);
}

void
_edje_message_propornot_send(Edje *ed, Edje_Queue queue, Edje_Message_Type type, int id, void *emsg, Eina_Bool prop)
{
   /* FIXME: check all malloc & strdup fails and gracefully unroll and exit */
   Edje_Message *em;
   int i;
   unsigned char *msg = NULL;

   em = _edje_message_new(ed, queue, type, id);
   if (!em) return;
   em->propagated = prop;
   if (_job)
     {
        ecore_job_del(_job);
        _job = NULL;
     }
   if (_injob > 0)
     {
        if (!_job_loss_timer)
          _job_loss_timer = ecore_timer_add(0.001, _edje_job_loss_timer, NULL);
     }
   else
     {
        if (!_job)
          {
             _job = ecore_job_add(_edje_job, NULL);
          }
        if (_job_loss_timer)
          {
             ecore_timer_del(_job_loss_timer);
             _job_loss_timer = NULL;
          }
     }
   switch (em->type)
     {
      case EDJE_MESSAGE_NONE:
	break;
      case EDJE_MESSAGE_SIGNAL:
	  {
	     Edje_Message_Signal *emsg2, *emsg3;

	     emsg2 = (Edje_Message_Signal *)emsg;
	     emsg3 = calloc(1, sizeof(Edje_Message_Signal));
	     if (emsg2->sig) emsg3->sig = eina_stringshare_add(emsg2->sig);
	     if (emsg2->src) emsg3->src = eina_stringshare_add(emsg2->src);
	     if (emsg2->data)
               {
                  emsg3->data = emsg2->data;
                  emsg3->data->ref++;
               }
	     msg = (unsigned char *)emsg3;
	  }
	break;
      case EDJE_MESSAGE_STRING:
	  {
	     Edje_Message_String *emsg2, *emsg3;

	     emsg2 = (Edje_Message_String *)emsg;

	     emsg3 = malloc(sizeof(Edje_Message_String));
	     emsg3->str = strdup(emsg2->str);
	     msg = (unsigned char *)emsg3;
	  }
	break;
      case EDJE_MESSAGE_INT:
	  {
	     Edje_Message_Int *emsg2, *emsg3;

	     emsg2 = (Edje_Message_Int *)emsg;
	     emsg3 = malloc(sizeof(Edje_Message_Int));
	     emsg3->val = emsg2->val;
	     msg = (unsigned char *)emsg3;
	  }
	break;
      case EDJE_MESSAGE_FLOAT:
	  {
	     Edje_Message_Float *emsg2, *emsg3;

	     emsg2 = (Edje_Message_Float *)emsg;
	     emsg3 = malloc(sizeof(Edje_Message_Float));
	     emsg3->val = emsg2->val;
	     msg = (unsigned char *)emsg3;
	  }
	break;
      case EDJE_MESSAGE_STRING_SET:
	  {
	     Edje_Message_String_Set *emsg2, *emsg3;

	     emsg2 = (Edje_Message_String_Set *)emsg;
	     emsg3 = malloc(sizeof(Edje_Message_String_Set) + ((emsg2->count - 1) * sizeof(char *)));
	     emsg3->count = emsg2->count;
	     for (i = 0; i < emsg3->count; i++)
	       emsg3->str[i] = strdup(emsg2->str[i]);
	     msg = (unsigned char *)emsg3;
	  }
	break;
      case EDJE_MESSAGE_INT_SET:
	  {
	     Edje_Message_Int_Set *emsg2, *emsg3;

	     emsg2 = (Edje_Message_Int_Set *)emsg;
	     emsg3 = malloc(sizeof(Edje_Message_Int_Set) + ((emsg2->count - 1) * sizeof(int)));
	     emsg3->count = emsg2->count;
	     for (i = 0; i < emsg3->count; i++)
	       emsg3->val[i] = emsg2->val[i];
	     msg = (unsigned char *)emsg3;
	  }
	break;
      case EDJE_MESSAGE_FLOAT_SET:
	  {
	     Edje_Message_Float_Set *emsg2, *emsg3;

	     emsg2 = (Edje_Message_Float_Set *)emsg;
	     emsg3 = malloc(sizeof(Edje_Message_Float_Set) + ((emsg2->count - 1) * sizeof(double)));
	     emsg3->count = emsg2->count;
	     for (i = 0; i < emsg3->count; i++)
	       emsg3->val[i] = emsg2->val[i];
	     msg = (unsigned char *)emsg3;
	  }
	break;
      case EDJE_MESSAGE_STRING_INT:
	  {
	     Edje_Message_String_Int *emsg2, *emsg3;

	     emsg2 = (Edje_Message_String_Int *)emsg;
	     emsg3 = malloc(sizeof(Edje_Message_String_Int));
	     emsg3->str = strdup(emsg2->str);
	     emsg3->val = emsg2->val;
	     msg = (unsigned char *)emsg3;
	  }
	break;
      case EDJE_MESSAGE_STRING_FLOAT:
	  {
	     Edje_Message_String_Float *emsg2, *emsg3;

	     emsg2 = (Edje_Message_String_Float *)emsg;
	     emsg3 = malloc(sizeof(Edje_Message_String_Float));
	     emsg3->str = strdup(emsg2->str);
	     emsg3->val = emsg2->val;
	     msg = (unsigned char *)emsg3;
	  }
	break;
      case EDJE_MESSAGE_STRING_INT_SET:
	  {
	     Edje_Message_String_Int_Set *emsg2, *emsg3;

	     emsg2 = (Edje_Message_String_Int_Set *)emsg;
	     emsg3 = malloc(sizeof(Edje_Message_String_Int_Set) + ((emsg2->count - 1) * sizeof(int)));
	     emsg3->str = strdup(emsg2->str);
	     emsg3->count = emsg2->count;
	     for (i = 0; i < emsg3->count; i++)
	       emsg3->val[i] = emsg2->val[i];
	     msg = (unsigned char *)emsg3;
	  }
	break;
      case EDJE_MESSAGE_STRING_FLOAT_SET:
	  {
	     Edje_Message_String_Float_Set *emsg2, *emsg3;

	     emsg2 = (Edje_Message_String_Float_Set *)emsg;
	     emsg3 = malloc(sizeof(Edje_Message_String_Float_Set) + ((emsg2->count - 1) * sizeof(double)));
	     emsg3->str = strdup(emsg2->str);
	     emsg3->count = emsg2->count;
	     for (i = 0; i < emsg3->count; i++)
	       emsg3->val[i] = emsg2->val[i];
	     msg = (unsigned char *)emsg3;
	  }
	break;
      default:
	break;
     }

   em->msg = msg;
   msgq = eina_list_append(msgq, em);
}

void
_edje_message_send(Edje *ed, Edje_Queue queue, Edje_Message_Type type, int id, void *emsg)
{
   _edje_message_propornot_send(ed, queue, type, id, emsg, EINA_FALSE);
}

void
_edje_message_parameters_push(Edje_Message *em)
{
   int i;
   
   /* these params ALWAYS go on */
   /* first param is the message type - always */
   embryo_parameter_cell_push(em->edje->collection->script,
			      (Embryo_Cell)em->type);
   /* 2nd param is the integer of the event id - always there */
   embryo_parameter_cell_push(em->edje->collection->script,
			      (Embryo_Cell)em->id);
   /* the rest is varags of whatever is in the msg */
   switch (em->type)
     {
      case EDJE_MESSAGE_NONE:
	break;
      case EDJE_MESSAGE_STRING:
	embryo_parameter_string_push(em->edje->collection->script,
				     ((Edje_Message_String *)em->msg)->str);
	break;
      case EDJE_MESSAGE_INT:
	  {
	     Embryo_Cell v;

	     v = (Embryo_Cell)((Edje_Message_Int *)em->msg)->val;
	     embryo_parameter_cell_array_push(em->edje->collection->script, &v, 1);
	  }
	break;
      case EDJE_MESSAGE_FLOAT:
	  {
	     Embryo_Cell v;
	     float fv;

	     fv = ((Edje_Message_Float *)em->msg)->val;
	     v = EMBRYO_FLOAT_TO_CELL(fv);
	     embryo_parameter_cell_array_push(em->edje->collection->script, &v, 1);
	  }
	break;
      case EDJE_MESSAGE_STRING_SET:
	for (i = 0; i < ((Edje_Message_String_Set *)em->msg)->count; i++)
	  embryo_parameter_string_push(em->edje->collection->script,
				       ((Edje_Message_String_Set *)em->msg)->str[i]);
	break;
      case EDJE_MESSAGE_INT_SET:
	for (i = 0; i < ((Edje_Message_Int_Set *)em->msg)->count; i++)
	  {
	     Embryo_Cell v;

	     v = (Embryo_Cell)((Edje_Message_Int_Set *)em->msg)->val[i];
	     embryo_parameter_cell_array_push(em->edje->collection->script, &v, 1);
	  }
	break;
      case EDJE_MESSAGE_FLOAT_SET:
	for (i = 0; i < ((Edje_Message_Float_Set *)em->msg)->count; i++)
	  {
	     Embryo_Cell v;
	     float fv;

	     fv = ((Edje_Message_Float_Set *)em->msg)->val[i];
	     v = EMBRYO_FLOAT_TO_CELL(fv);
	     embryo_parameter_cell_array_push(em->edje->collection->script, &v, 1);
	  }
	break;
      case EDJE_MESSAGE_STRING_INT:
	embryo_parameter_string_push(em->edje->collection->script,
				     ((Edje_Message_String_Int *)em->msg)->str);
	  {
	     Embryo_Cell v;

	     v = (Embryo_Cell)((Edje_Message_String_Int *)em->msg)->val;
	     embryo_parameter_cell_array_push(em->edje->collection->script, &v, 1);
	  }
	break;
      case EDJE_MESSAGE_STRING_FLOAT:
	embryo_parameter_string_push(em->edje->collection->script,
				     ((Edje_Message_String_Float *)em->msg)->str);
	  {
	     Embryo_Cell v;
	     float fv;

	     fv = ((Edje_Message_String_Float *)em->msg)->val;
	     v = EMBRYO_FLOAT_TO_CELL(fv);
	     embryo_parameter_cell_array_push(em->edje->collection->script, &v, 1);
	  }
	break;
      case EDJE_MESSAGE_STRING_INT_SET:
	embryo_parameter_string_push(em->edje->collection->script,
				     ((Edje_Message_String_Int_Set *)em->msg)->str);
	for (i = 0; i < ((Edje_Message_String_Int_Set *)em->msg)->count; i++)
	  {
	     Embryo_Cell v;

	     v = (Embryo_Cell)((Edje_Message_String_Int_Set *)em->msg)->val[i];
	     embryo_parameter_cell_array_push(em->edje->collection->script, &v, 1);
	  }
	break;
      case EDJE_MESSAGE_STRING_FLOAT_SET:
	embryo_parameter_string_push(em->edje->collection->script,
				     ((Edje_Message_String_Float_Set *)em->msg)->str);
	for (i = 0; i < ((Edje_Message_String_Float_Set *)em->msg)->count; i++)
	  {
	     Embryo_Cell v;
	     float fv;

	     fv = ((Edje_Message_String_Float_Set *)em->msg)->val[i];
	     v = EMBRYO_FLOAT_TO_CELL(fv);
	     embryo_parameter_cell_array_push(em->edje->collection->script, &v, 1);
	  }
	break;
      default:
	break;
     }
}

void
_edje_message_process(Edje_Message *em)
{
   Embryo_Function fn;
   void *pdata;
   int ret;
   
   /* signals are only handled one way */
   if (em->type == EDJE_MESSAGE_SIGNAL)
     {
	_edje_emit_handle(em->edje,
			  ((Edje_Message_Signal *)em->msg)->sig,
			  ((Edje_Message_Signal *)em->msg)->src,
			  ((Edje_Message_Signal *)em->msg)->data,
			  em->propagated);
	return;
     }
   /* if this has been queued up for the app then just call the callback */
   if (em->queue == EDJE_QUEUE_APP)
     {
	if (em->edje->message.func)
	  em->edje->message.func(em->edje->message.data, em->edje->obj,
				 em->type, em->id, em->msg);
	return;
     }
   /* now this message is destined for the script message handler fn */
   if (!(em->edje->collection)) return;
   if ((em->edje->collection->script) && _edje_script_only (em->edje))
     {
	_edje_script_only_message(em->edje, em);
	return;
     }
   if (em->edje->L)
     {
	_edje_lua_script_only_message(em->edje, em);
	return;
     }
   fn = embryo_program_function_find(em->edje->collection->script, "message");
   if (fn == EMBRYO_FUNCTION_NONE) return;
   /* reset the engine */
   _edje_embryo_script_reset(em->edje);
   
   _edje_message_parameters_push(em);
   
   embryo_program_vm_push(em->edje->collection->script);
   _edje_embryo_globals_init(em->edje);
   pdata = embryo_program_data_get(em->edje->collection->script);
   embryo_program_data_set(em->edje->collection->script, em->edje);
   embryo_program_max_cycle_run_set(em->edje->collection->script, 5000000);
   ret = embryo_program_run(em->edje->collection->script, fn);
   if (ret == EMBRYO_PROGRAM_FAIL)
     {
        ERR("ERROR with embryo script. "
            "OBJECT NAME: '%s', "
            "OBJECT FILE: '%s', "
            "ENTRY POINT: '%s', "
            "ERROR: '%s'",
            em->edje->collection->part,
            em->edje->file->path,
            "message",
            embryo_error_string_get(embryo_program_error_get(em->edje->collection->script)));
     }
   else if (ret == EMBRYO_PROGRAM_TOOLONG)
     {
        ERR("ERROR with embryo script. "
            "OBJECT NAME: '%s', "
            "OBJECT FILE: '%s', "
            "ENTRY POINT: '%s', "
            "ERROR: 'Script exceeded maximum allowed cycle count of %i'",
            em->edje->collection->part,
            em->edje->file->path,
            "message",
            embryo_program_max_cycle_run_get(em->edje->collection->script));
     }
   
   embryo_program_data_set(em->edje->collection->script, pdata);
   embryo_program_vm_pop(em->edje->collection->script);
}

void
_edje_message_queue_process(void)
{
   int i;

   if (!msgq) return;

   /* allow the message queue to feed itself up to 8 times before forcing */
   /* us to go back to normal processing and let a 0 timeout deal with it */
   for (i = 0; (i < 8) && (msgq); i++)
     {
	/* a temporary message queue */
	if (tmp_msgq)
	  {
	     while (msgq)
	       {
		  tmp_msgq = eina_list_append(tmp_msgq, msgq->data);
		  msgq = eina_list_remove_list(msgq, msgq);
	       }
	  }
	else
	  {
	     tmp_msgq = msgq;
	     msgq = NULL;
	  }

        tmp_msgq_processing++;
	while (tmp_msgq)
	  {
	     Edje_Message *em;
	     Edje *ed;

	     em = tmp_msgq->data;
	     ed = em->edje;
	     tmp_msgq = eina_list_remove_list(tmp_msgq, tmp_msgq);
	     em->edje->message.num--;
	     if (!ed->delete_me)
	       {
		  ed->processing_messages++;
		  _edje_message_process(em);
		  _edje_message_free(em);
		  ed->processing_messages--;
	       }
	     else
	       _edje_message_free(em);
	     if (ed->processing_messages == 0)
	       {
		  if (ed->delete_me) _edje_del(ed);
	       }
	  }
        tmp_msgq_processing--;
        if (tmp_msgq_processing == 0)
           tmp_msgq_restart = 0;
        else
           tmp_msgq_restart = 1;
     }

   /* if the message queue filled again set a timer to expire in 0.0 sec */
   /* to get the idle enterer to be run again */
   if (msgq)
     {
        static int self_feed_debug = -1;
        
        if (self_feed_debug == -1)
          {
             const char *s = getenv("EDJE_SELF_FEED_DEBUG");
             if (s) self_feed_debug = atoi(s);
             else self_feed_debug = 0;
          }
        if (self_feed_debug)
          {
             WRN("Edje is in a self-feeding message loop (> 8 loops needed)");
          }
	ecore_timer_add(0.0, _edje_dummy_timer, NULL);
     }
}

void
_edje_message_queue_clear(void)
{
   while (msgq)
     {
	Edje_Message *em;

	em = msgq->data;
	msgq = eina_list_remove_list(msgq, msgq);
	em->edje->message.num--;
	_edje_message_free(em);
     }
   while (tmp_msgq)
     {
	Edje_Message *em;

	em = tmp_msgq->data;
	tmp_msgq = eina_list_remove_list(tmp_msgq, tmp_msgq);
	em->edje->message.num--;
	_edje_message_free(em);
     }
}

void
_edje_message_del(Edje *ed)
{
   Eina_List *l;

   if (ed->message.num <= 0) return;
   /* delete any messages on the main queue for this edje object */
   for (l = msgq; l; )
     {
	Edje_Message *em;
	Eina_List *lp;

	em = eina_list_data_get(l);
	lp = l;
	l = eina_list_next(l);
	if (em->edje == ed)
	  {
	     msgq = eina_list_remove_list(msgq, lp);
	     em->edje->message.num--;
	     _edje_message_free(em);
	  }
	if (ed->message.num <= 0) return;
     }
   /* delete any on the processing queue */
   for (l = tmp_msgq; l; )
     {
	Edje_Message *em;
	Eina_List *lp;

	em = eina_list_data_get(l);
	lp = l;
	l = eina_list_next(l);
	if (em->edje == ed)
	  {
	     tmp_msgq = eina_list_remove_list(tmp_msgq, lp);
	     em->edje->message.num--;
	     _edje_message_free(em);
	  }
	if (ed->message.num <= 0) return;
     }
}