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elm_slideshow: pre-calcul the next and the previous items, very usefull if the object is big (like a photo) 

SVN revision: 50385
This commit is contained in:
Jonathan Atton 2010-07-20 18:26:22 +00:00
parent cefe73d5dc
commit c2ad5fd00c
1 changed files with 43 additions and 10 deletions
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53
legacy/elementary/src/lib/elm_slideshow.c
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@ -105,7 +105,10 @@ static Elm_Slideshow_Item* _item_prev_get(Elm_Slideshow_Item* item)
Widget_Data *wd = elm_widget_data_get(item->obj);
Elm_Slideshow_Item* prev = eina_list_data_get(eina_list_prev(item->l));
if(!prev && wd->loop)
{
printf("LAST\n");
prev = eina_list_data_get(eina_list_last(item->l));
}
return prev;
}
static Elm_Slideshow_Item* _item_next_get(Elm_Slideshow_Item* item)
@ -140,16 +143,42 @@ _item_realize(Elm_Slideshow_Item *item)
if (!wd) return;
if (!item->o && item->itc->func.get)
{
item->o = item->itc->func.get((void*)item->data, obj);
evas_object_smart_member_add(item->o, obj);
item->l_built = eina_list_append(NULL, item);
wd->items_built = eina_list_merge(wd->items_built, item->l_built);
evas_object_hide(item->o);
}
else if (item->l_built)
wd->items_built = eina_list_demote_list(wd->items_built, item->l_built);
if (!item->o && item->itc->func.get)
{
item->o = item->itc->func.get((void*)item->data, obj);
evas_object_smart_member_add(item->o, obj);
item->l_built = eina_list_append(NULL, item);
wd->items_built = eina_list_merge(wd->items_built, item->l_built);
evas_object_hide(item->o);
}
else if (item->l_built)
wd->items_built = eina_list_demote_list(wd->items_built, item->l_built);
//pre-create previous and next item
_item = _item_next_get(item);
if (_item && !_item->o && _item->itc->func.get)
{
_item->o = _item->itc->func.get((void*)_item->data, obj);
evas_object_smart_member_add(_item->o, obj);
_item->l_built = eina_list_append(NULL, _item);
wd->items_built = eina_list_merge(wd->items_built, _item->l_built);
evas_object_hide(_item->o);
}
else if (_item && _item->l_built)
wd->items_built = eina_list_demote_list(wd->items_built, _item->l_built);
_item = _item_prev_get(item);
if (_item && !_item->o && _item->itc->func.get)
{
_item->o = _item->itc->func.get((void*)_item->data, obj);
evas_object_smart_member_add(_item->o, obj);
_item->l_built = eina_list_append(NULL, _item);
wd->items_built = eina_list_merge(wd->items_built, _item->l_built);
evas_object_hide(_item->o);
}
else if (_item && _item->l_built)
wd->items_built = eina_list_demote_list(wd->items_built, _item->l_built);
//delete unused items
while (eina_list_count(wd->items_built) > 3)
@ -286,6 +315,10 @@ elm_slideshow_item_add(Evas_Object *obj, const Elm_Slideshow_Item_Class *itc, co
if (!wd->current) elm_slideshow_show(item);
//we realize the current item
//the idea is to realize the previous and the next items
_item_realize(wd->current);
return item;
}