forked from enlightenment/efl
817 lines
20 KiB
C
817 lines
20 KiB
C
#include <string.h>
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#include "edje_private.h"
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static int _injob = 0;
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static Ecore_Job *_job = NULL;
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static Ecore_Timer *_job_loss_timer = NULL;
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static Eina_List *msgq = NULL;
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static Eina_List *tmp_msgq = NULL;
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/*============================================================================*
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* API *
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*============================================================================*/
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/**
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* @addtogroup Edje_message_queue_Group Message_Queue
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*
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* @brief These functions provide an abstraction layer between the
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* application code and the interface, while allowing extremely
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* flexible dynamic layouts and animations.
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*
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* @{
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*/
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/**
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* @brief Send message to object.
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*
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* @param obj The edje object reference.
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* @param type The type of message to send.
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* @param id A identification number for the message.
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* @param msg The message to be send.
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*
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*
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* This function sends messages to this object and to all of its child
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* objects, if applicable. The function that handles messages arriving
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* at this edje object is is set with
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* edje_object_message_handler_set().
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*
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* @see edje_object_message_handler_set()
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*
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*/
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EAPI void
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edje_object_message_send(Evas_Object *obj, Edje_Message_Type type, int id, void *msg)
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{
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Edje *ed;
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unsigned int i;
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ed = _edje_fetch(obj);
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if (!ed) return;
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_edje_message_send(ed, EDJE_QUEUE_SCRIPT, type, id, msg);
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for (i = 0; i < ed->table_parts_size; i++)
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{
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Edje_Real_Part *rp = ed->table_parts[i];
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if ((rp->part->type == EDJE_PART_TYPE_GROUP) && (rp->swallowed_object))
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edje_object_message_send(rp->swallowed_object, type, id, msg);
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}
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}
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/**
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* @brief Set the message handler function for this an object.
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*
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* @param obj The edje object reference.
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* @param func The function to handle messages.
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* @param data The data to be associated to the message handler.
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*
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*
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* This function associates a message handler function and data to the
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* edje object.
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*
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*/
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EAPI void
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edje_object_message_handler_set(Evas_Object *obj, void (*func) (void *data, Evas_Object *obj, Edje_Message_Type type, int id, void *msg), void *data)
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{
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Edje *ed;
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ed = _edje_fetch(obj);
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if (!ed) return;
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_edje_message_cb_set(ed, func, data);
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}
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/**
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* @brief Process an object's message queue.
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*
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* @param obj The edje object reference.
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*
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* This function goes through the object message queue processing the
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* pending messages for *this* specific edje object. Normally they'd
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* be processed only at idle time.
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*
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*/
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EAPI void
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edje_object_message_signal_process(Evas_Object *obj)
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{
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Eina_List *l, *tmpq = NULL;
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Edje *ed;
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Edje_Message *em;
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const void *data;
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ed = _edje_fetch(obj);
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if (!ed) return;
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EINA_LIST_FOREACH(msgq, l, em)
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if (em->edje == ed)
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tmpq = eina_list_append(tmpq, em);
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/* now remove them from the old queue */
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EINA_LIST_FOREACH(tmpq, l, data)
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msgq = eina_list_remove(msgq, data);
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/* a temporary message queue */
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if (tmp_msgq)
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{
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while (tmpq)
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{
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tmp_msgq = eina_list_append(tmp_msgq, tmpq->data);
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tmpq = eina_list_remove_list(tmpq, tmpq);
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}
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}
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else
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{
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tmp_msgq = tmpq;
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tmpq = NULL;
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}
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while (tmp_msgq)
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{
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Edje_Message *em;
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em = tmp_msgq->data;
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tmp_msgq = eina_list_remove_list(tmp_msgq, tmp_msgq);
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em->edje->message.num--;
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_edje_message_process(em);
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_edje_message_free(em);
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}
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}
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/**
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* @brief Process all queued up edje messages.
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*
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* This function triggers the processing of messages addressed to any
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* (alive) edje objects.
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*
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*/
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EAPI void
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edje_message_signal_process(void)
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{
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_edje_message_queue_process();
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}
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static Eina_Bool
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_edje_dummy_timer(void *data __UNUSED__)
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{
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return ECORE_CALLBACK_CANCEL;
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}
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static void
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_edje_job(void *data __UNUSED__)
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{
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if (_job_loss_timer)
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{
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ecore_timer_del(_job_loss_timer);
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_job_loss_timer = NULL;
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}
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_job = NULL;
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_injob++;
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_edje_message_queue_process();
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_injob--;
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}
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static Eina_Bool
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_edje_job_loss_timer(void *data __UNUSED__)
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{
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_job_loss_timer = NULL;
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if (!_job)
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{
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_job = ecore_job_add(_edje_job, NULL);
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}
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return ECORE_CALLBACK_CANCEL;
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}
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void
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_edje_message_init(void)
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{
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}
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void
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_edje_message_shutdown(void)
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{
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_edje_message_queue_clear();
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if (_job_loss_timer)
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{
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ecore_timer_del(_job_loss_timer);
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_job_loss_timer = NULL;
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}
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if (_job)
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{
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ecore_job_del(_job);
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_job = NULL;
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}
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}
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void
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_edje_message_cb_set(Edje *ed, void (*func) (void *data, Evas_Object *obj, Edje_Message_Type type, int id, void *msg), void *data)
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{
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unsigned int i;
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ed->message.func = func;
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ed->message.data = data;
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for (i = 0 ; i < ed->table_parts_size ; i++) {
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Edje_Real_Part *rp;
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rp = ed->table_parts[i];
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if (rp->part->type == EDJE_PART_TYPE_GROUP && rp->swallowed_object) {
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Edje *edj2 = _edje_fetch(rp->swallowed_object);
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if (!edj2) continue;
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_edje_message_cb_set(edj2, func, data);
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}
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}
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}
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Edje_Message *
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_edje_message_new(Edje *ed, Edje_Queue queue, Edje_Message_Type type, int id)
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{
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Edje_Message *em;
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em = calloc(1, sizeof(Edje_Message));
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if (!em) return NULL;
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em->edje = ed;
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em->queue = queue;
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em->type = type;
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em->id = id;
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em->edje->message.num++;
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return em;
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}
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void
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_edje_message_free(Edje_Message *em)
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{
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if (em->msg)
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{
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int i;
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switch (em->type)
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{
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case EDJE_MESSAGE_STRING:
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{
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Edje_Message_String *emsg;
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emsg = (Edje_Message_String *)em->msg;
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free(emsg->str);
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free(emsg);
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}
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break;
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case EDJE_MESSAGE_INT:
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{
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Edje_Message_Int *emsg;
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emsg = (Edje_Message_Int *)em->msg;
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free(emsg);
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}
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break;
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case EDJE_MESSAGE_FLOAT:
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{
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Edje_Message_Float *emsg;
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emsg = (Edje_Message_Float *)em->msg;
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free(emsg);
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}
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break;
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case EDJE_MESSAGE_INT_SET:
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{
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Edje_Message_Int_Set *emsg;
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emsg = (Edje_Message_Int_Set *)em->msg;
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free(emsg);
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}
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break;
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case EDJE_MESSAGE_FLOAT_SET:
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{
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Edje_Message_Float_Set *emsg;
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emsg = (Edje_Message_Float_Set *)em->msg;
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free(emsg);
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}
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break;
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case EDJE_MESSAGE_STRING_FLOAT:
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{
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Edje_Message_String_Float *emsg;
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emsg = (Edje_Message_String_Float *)em->msg;
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free(emsg->str);
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free(emsg);
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}
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break;
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case EDJE_MESSAGE_STRING_INT:
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{
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Edje_Message_String_Int *emsg;
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emsg = (Edje_Message_String_Int *)em->msg;
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free(emsg->str);
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free(emsg);
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}
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break;
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case EDJE_MESSAGE_STRING_FLOAT_SET:
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{
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Edje_Message_String_Float_Set *emsg;
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emsg = (Edje_Message_String_Float_Set *)em->msg;
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free(emsg->str);
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free(emsg);
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}
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break;
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case EDJE_MESSAGE_STRING_INT_SET:
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{
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Edje_Message_String_Int_Set *emsg;
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emsg = (Edje_Message_String_Int_Set *)em->msg;
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free(emsg->str);
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free(emsg);
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}
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break;
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case EDJE_MESSAGE_SIGNAL:
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{
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Edje_Message_Signal *emsg;
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emsg = (Edje_Message_Signal *)em->msg;
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if (emsg->sig) eina_stringshare_del(emsg->sig);
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if (emsg->src) eina_stringshare_del(emsg->src);
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free(emsg);
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}
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break;
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case EDJE_MESSAGE_STRING_SET:
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{
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Edje_Message_String_Set *emsg;
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emsg = (Edje_Message_String_Set *)em->msg;
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for (i = 0; i < emsg->count; i++)
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free(emsg->str[i]);
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free(emsg);
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}
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break;
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case EDJE_MESSAGE_NONE:
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default:
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break;
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}
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}
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free(em);
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}
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void
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_edje_message_send(Edje *ed, Edje_Queue queue, Edje_Message_Type type, int id, void *emsg)
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{
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/* FIXME: check all malloc & strdup fails and gracefully unroll and exit */
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Edje_Message *em;
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int i;
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unsigned char *msg = NULL;
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em = _edje_message_new(ed, queue, type, id);
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if (!em) return;
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if (_job)
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{
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ecore_job_del(_job);
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_job = NULL;
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}
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if (_injob > 0)
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{
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_job_loss_timer = ecore_timer_add(0.01, _edje_job_loss_timer, NULL);
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}
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else
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{
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if (!_job)
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{
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_job = ecore_job_add(_edje_job, NULL);
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}
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if (_job_loss_timer)
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{
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ecore_timer_del(_job_loss_timer);
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_job_loss_timer = NULL;
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}
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}
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switch (em->type)
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{
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case EDJE_MESSAGE_NONE:
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break;
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case EDJE_MESSAGE_SIGNAL:
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{
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Edje_Message_Signal *emsg2, *emsg3;
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emsg2 = (Edje_Message_Signal *)emsg;
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emsg3 = calloc(1, sizeof(Edje_Message_Signal));
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if (emsg2->sig) emsg3->sig = eina_stringshare_add(emsg2->sig);
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if (emsg2->src) emsg3->src = eina_stringshare_add(emsg2->src);
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msg = (unsigned char *)emsg3;
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}
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break;
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case EDJE_MESSAGE_STRING:
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{
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Edje_Message_String *emsg2, *emsg3;
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emsg2 = (Edje_Message_String *)emsg;
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emsg3 = malloc(sizeof(Edje_Message_String));
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emsg3->str = strdup(emsg2->str);
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msg = (unsigned char *)emsg3;
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}
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break;
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case EDJE_MESSAGE_INT:
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{
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Edje_Message_Int *emsg2, *emsg3;
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emsg2 = (Edje_Message_Int *)emsg;
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emsg3 = malloc(sizeof(Edje_Message_Int));
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emsg3->val = emsg2->val;
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msg = (unsigned char *)emsg3;
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}
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break;
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case EDJE_MESSAGE_FLOAT:
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{
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Edje_Message_Float *emsg2, *emsg3;
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emsg2 = (Edje_Message_Float *)emsg;
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emsg3 = malloc(sizeof(Edje_Message_Float));
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emsg3->val = emsg2->val;
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msg = (unsigned char *)emsg3;
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}
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break;
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case EDJE_MESSAGE_STRING_SET:
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{
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Edje_Message_String_Set *emsg2, *emsg3;
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emsg2 = (Edje_Message_String_Set *)emsg;
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emsg3 = malloc(sizeof(Edje_Message_String_Set) + ((emsg2->count - 1) * sizeof(char *)));
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emsg3->count = emsg2->count;
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for (i = 0; i < emsg3->count; i++)
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emsg3->str[i] = strdup(emsg2->str[i]);
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msg = (unsigned char *)emsg3;
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}
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break;
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case EDJE_MESSAGE_INT_SET:
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{
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Edje_Message_Int_Set *emsg2, *emsg3;
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emsg2 = (Edje_Message_Int_Set *)emsg;
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emsg3 = malloc(sizeof(Edje_Message_Int_Set) + ((emsg2->count - 1) * sizeof(int)));
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emsg3->count = emsg2->count;
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for (i = 0; i < emsg3->count; i++)
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emsg3->val[i] = emsg2->val[i];
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msg = (unsigned char *)emsg3;
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}
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break;
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case EDJE_MESSAGE_FLOAT_SET:
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{
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Edje_Message_Float_Set *emsg2, *emsg3;
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emsg2 = (Edje_Message_Float_Set *)emsg;
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emsg3 = malloc(sizeof(Edje_Message_Float_Set) + ((emsg2->count - 1) * sizeof(double)));
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emsg3->count = emsg2->count;
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for (i = 0; i < emsg3->count; i++)
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emsg3->val[i] = emsg2->val[i];
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msg = (unsigned char *)emsg3;
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}
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break;
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case EDJE_MESSAGE_STRING_INT:
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{
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Edje_Message_String_Int *emsg2, *emsg3;
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emsg2 = (Edje_Message_String_Int *)emsg;
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emsg3 = malloc(sizeof(Edje_Message_String_Int));
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emsg3->str = strdup(emsg2->str);
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emsg3->val = emsg2->val;
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msg = (unsigned char *)emsg3;
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}
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break;
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case EDJE_MESSAGE_STRING_FLOAT:
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{
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Edje_Message_String_Float *emsg2, *emsg3;
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emsg2 = (Edje_Message_String_Float *)emsg;
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emsg3 = malloc(sizeof(Edje_Message_String_Float));
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emsg3->str = strdup(emsg2->str);
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emsg3->val = emsg2->val;
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msg = (unsigned char *)emsg3;
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}
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break;
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case EDJE_MESSAGE_STRING_INT_SET:
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{
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Edje_Message_String_Int_Set *emsg2, *emsg3;
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emsg2 = (Edje_Message_String_Int_Set *)emsg;
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emsg3 = malloc(sizeof(Edje_Message_String_Int_Set) + ((emsg2->count - 1) * sizeof(int)));
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emsg3->str = strdup(emsg2->str);
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emsg3->count = emsg2->count;
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for (i = 0; i < emsg3->count; i++)
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emsg3->val[i] = emsg2->val[i];
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msg = (unsigned char *)emsg3;
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}
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break;
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case EDJE_MESSAGE_STRING_FLOAT_SET:
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{
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Edje_Message_String_Float_Set *emsg2, *emsg3;
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emsg2 = (Edje_Message_String_Float_Set *)emsg;
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emsg3 = malloc(sizeof(Edje_Message_String_Float_Set) + ((emsg2->count - 1) * sizeof(double)));
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emsg3->str = strdup(emsg2->str);
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emsg3->count = emsg2->count;
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for (i = 0; i < emsg3->count; i++)
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emsg3->val[i] = emsg2->val[i];
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msg = (unsigned char *)emsg3;
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}
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break;
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default:
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break;
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}
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em->msg = msg;
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msgq = eina_list_append(msgq, em);
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}
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void
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_edje_message_parameters_push(Edje_Message *em)
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{
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int i;
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/* these params ALWAYS go on */
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/* first param is the message type - always */
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embryo_parameter_cell_push(em->edje->collection->script,
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(Embryo_Cell)em->type);
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/* 2nd param is the integer of the event id - always there */
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embryo_parameter_cell_push(em->edje->collection->script,
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(Embryo_Cell)em->id);
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/* the rest is varags of whatever is in the msg */
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switch (em->type)
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{
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case EDJE_MESSAGE_NONE:
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break;
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case EDJE_MESSAGE_STRING:
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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;
|
|
|
|
/* 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);
|
|
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);
|
|
embryo_program_run(em->edje->collection->script, fn);
|
|
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;
|
|
}
|
|
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 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)
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @}
|
|
*/
|