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* edje: Add edje_object_preload, it will force the preload of all 

image embeded inside an edje and send a signal ("preload,done", "")
	at the end.


SVN revision: 44186
This commit is contained in:
Cedric BAIL 2009-12-04 16:20:40 +00:00
parent c8ecbbfeef
commit c76b578b37
3 changed files with 99 additions and 0 deletions
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3
legacy/edje/src/lib/Edje.h
View File

@ -409,6 +409,9 @@ extern "C" {
EAPI int edje_object_load_error_get (const Evas_Object *obj);
EAPI const char *edje_load_error_str (int error);
/* edje_util.c */
EAPI Eina_Bool edje_object_preload (Evas_Object *obj, Eina_Bool cancel);
/* edje_program.c */
EAPI void edje_object_signal_callback_add (Evas_Object *obj, const char *emission, const char *source, Edje_Signal_Cb func, void *data);
EAPI void *edje_object_signal_callback_del (Evas_Object *obj, const char *emission, const char *source, Edje_Signal_Cb func);

2
legacy/edje/src/lib/edje_private.h
View File

@ -705,6 +705,8 @@ struct _Edje
int state;
int preload_count;
unsigned short dirty : 1;
unsigned short recalc : 1;
unsigned short walking_callbacks : 1;

94
legacy/edje/src/lib/edje_util.c
View File

@ -39,6 +39,8 @@ struct _Edje_List_Foreach_Data
static Eina_Bool _edje_color_class_list_foreach(const Eina_Hash *hash, const void *key, void *data, void *fdata);
static Eina_Bool _edje_text_class_list_foreach(const Eina_Hash *hash, const void *key, void *data, void *fdata);
static void _edje_object_image_preload_cb(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _edje_object_signal_preload_cb(void *data, Evas_Object *obj, const char *emission, const char *source);
Edje_Real_Part *_edje_real_part_recursive_get_helper(Edje *ed, char **path);
@ -3705,6 +3707,72 @@ edje_object_part_table_clear(Evas_Object *obj, const char *part, Eina_Bool clear
return EINA_TRUE;
}
#define EDJE_PRELOAD_EMISSION "preload,done"
#define EDJE_PRELOAD_SOURCE NULL
EAPI Eina_Bool
edje_object_preload(Evas_Object *obj, Eina_Bool cancel)
{
Edje *ed;
int count;
int i;
ed = _edje_fetch(obj);
if (!ed) return EINA_FALSE;
for (i = 0, count = 0; i < ed->table_parts_size; i++)
{
Edje_Real_Part *rp;
Edje_Part *ep;
rp = ed->table_parts[i];
ep = rp->part;
if (ep->type == EDJE_PART_TYPE_IMAGE ||
(ep->type == EDJE_PART_TYPE_GROUP && rp->swallowed_object))
count++;
}
ed->preload_count = count;
if (count > 0)
{
for (i = 0; i < ed->table_parts_size; i++)
{
Edje_Real_Part *rp;
Edje_Part *ep;
rp = ed->table_parts[i];
ep = rp->part;
if (ep->type == EDJE_PART_TYPE_IMAGE)
{
evas_object_event_callback_del_full(rp->object, EVAS_CALLBACK_IMAGE_PRELOADED, _edje_object_image_preload_cb, ed);
evas_object_event_callback_add(rp->object, EVAS_CALLBACK_IMAGE_PRELOADED, _edje_object_image_preload_cb, ed);
evas_object_image_preload(rp->object, cancel);
count--;
}
else if (ep->type == EDJE_PART_TYPE_GROUP)
{
if (rp->swallowed_object) {
edje_object_signal_callback_del(rp->swallowed_object, EDJE_PRELOAD_EMISSION, EDJE_PRELOAD_SOURCE, _edje_object_signal_preload_cb);
edje_object_signal_callback_add(rp->swallowed_object, EDJE_PRELOAD_EMISSION, EDJE_PRELOAD_SOURCE, _edje_object_signal_preload_cb, ed);
edje_object_preload(rp->swallowed_object, cancel);
count--;
}
}
}
}
else
{
_edje_emit(ed, EDJE_PRELOAD_EMISSION, EDJE_PRELOAD_SOURCE);
}
return EINA_TRUE;
}
Eina_Bool
_edje_real_part_table_pack(Edje_Real_Part *rp, Evas_Object *child_obj, unsigned short col, unsigned short row, unsigned short colspan, unsigned short rowspan)
{
@ -4239,3 +4307,29 @@ _edje_real_part_swallow_clear(Edje_Real_Part *rp)
if (rp->part->mouse_events)
_edje_callbacks_del(rp->swallowed_object);
}
static void
_edje_object_preload(Edje *ed)
{
ed->preload_count--;
if (!ed->preload_count)
_edje_emit(ed, EDJE_PRELOAD_EMISSION, EDJE_PRELOAD_SOURCE);
}
static void
_edje_object_image_preload_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
Edje *ed = data;
evas_object_event_callback_del_full(obj, EVAS_CALLBACK_IMAGE_PRELOADED, _edje_object_image_preload_cb, ed);
_edje_object_preload(ed);
}
static void
_edje_object_signal_preload_cb(void *data, Evas_Object *obj, const char *emission, const char *source)
{
Edje *ed = data;
edje_object_signal_callback_del(obj, EDJE_PRELOAD_EMISSION, EDJE_PRELOAD_SOURCE, _edje_object_signal_preload_cb);
_edje_object_preload(ed);
}