forked from enlightenment/efl
500 lines
15 KiB
C
500 lines
15 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#define EFL_UI_FACTORY_PROTECTED
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#include <Elementary.h>
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#include "elm_priv.h"
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typedef struct _Efl_Ui_Caching_Factory_Data Efl_Ui_Caching_Factory_Data;
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typedef struct _Efl_Ui_Caching_Factory_Request Efl_Ui_Caching_Factory_Request;
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typedef struct _Efl_Ui_Caching_Factory_Group_Request Efl_Ui_Caching_Factory_Group_Request;
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struct _Efl_Ui_Caching_Factory_Data
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{
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const Efl_Class *klass;
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Eina_Stringshare *style;
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// Simple list of ready-to-use objects. They are all equal so it does not matter from which
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// end of the list objects are added and removed.
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Eina_List *cache;
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Eina_Hash *lookup;
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Eina_Future *flush;
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struct {
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unsigned int memory;
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unsigned int items;
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} limit, current;
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Eina_Bool invalidated : 1;
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};
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struct _Efl_Ui_Caching_Factory_Request
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{
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Efl_Ui_Caching_Factory_Data *pd;
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Efl_Ui_Caching_Factory *factory;
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Eo *parent;
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};
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struct _Efl_Ui_Caching_Factory_Group_Request
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{
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Eina_Value done;
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};
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// Clear the cache until it meet the constraint
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static void
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_efl_ui_caching_factory_remove(Efl_Ui_Caching_Factory_Data *pd, Eina_List *l, Efl_Gfx_Entity *entity)
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{
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pd->cache = eina_list_remove_list(pd->cache, l);
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pd->current.items--;
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pd->current.memory -= efl_class_memory_size_get(entity);
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if (efl_isa(entity, EFL_CACHED_ITEM_INTERFACE))
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pd->current.memory -= efl_cached_item_memory_size_get(entity);
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}
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static void
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_efl_ui_caching_factory_item_del(Eo *obj, Efl_Ui_Caching_Factory_Data *pd,
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Eina_Iterator *entities)
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{
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if (!pd->klass)
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{
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efl_ui_factory_release(efl_super(obj, EFL_UI_CACHING_FACTORY_CLASS), entities);
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}
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else
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{
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Efl_Gfx_Entity *entity;
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EINA_ITERATOR_FOREACH(entities, entity)
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efl_del(entity);
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eina_iterator_free(entities);
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}
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}
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static void
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_efl_ui_caching_factory_flush(Eo *obj, Efl_Ui_Caching_Factory_Data *pd)
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{
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Eina_Array scheduled;
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eina_array_step_set(&scheduled, sizeof (Eina_Array), 8);
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while (pd->limit.items != 0 &&
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pd->current.items > pd->limit.items)
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{
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Efl_Gfx_Entity *entity;
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entity = eina_list_data_get(eina_list_last(pd->cache));
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_efl_ui_caching_factory_remove(pd, eina_list_last(pd->cache), entity);
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if (pd->lookup) eina_hash_del(pd->lookup, efl_ui_widget_style_get(entity), entity);
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eina_array_push(&scheduled, entity);
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}
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while (pd->limit.memory != 0 &&
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pd->current.memory > pd->limit.memory)
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{
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Efl_Gfx_Entity *entity;
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entity = eina_list_data_get(eina_list_last(pd->cache));
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_efl_ui_caching_factory_remove(pd, eina_list_last(pd->cache), entity);
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if (pd->lookup) eina_hash_del(pd->lookup, efl_ui_widget_style_get(entity), entity);
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eina_array_push(&scheduled, entity);
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}
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// We could improve this by doing some limited batch to reduce potential spike usage
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_efl_ui_caching_factory_item_del(obj, pd, eina_array_iterator_new(&scheduled));
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eina_array_flush(&scheduled);
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}
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static Eina_Value
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_efl_ui_caching_factory_uncap_then(Eo *model EINA_UNUSED,
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void *data EINA_UNUSED,
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const Eina_Value v)
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{
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Efl_Ui_Widget *widget = NULL;
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if (eina_value_array_count(&v) != 1) return eina_value_error_init(EINVAL);
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eina_value_array_get(&v, 0, &widget);
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return eina_value_object_init(widget);
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}
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static Eina_Value
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_efl_ui_caching_factory_create_then(Eo *model, void *data, const Eina_Value v)
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{
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Efl_Ui_Caching_Factory_Request *r = data;
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Efl_Ui_Widget *w;
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const char *style = NULL;
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if (!eina_value_string_get(&v, &style))
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return eina_value_error_init(EFL_MODEL_ERROR_NOT_SUPPORTED);
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w = eina_hash_find(r->pd->lookup, style);
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if (!w)
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{
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Eina_Future *f;
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Eo *models[1] = { model };
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// No object of that style in the cache, need to create a new one
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// This is not ideal, we would want to gather all the request in one swoop here,
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// left for later improvement.
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f = efl_ui_factory_create(efl_super(r->factory, EFL_UI_CACHING_FACTORY_CLASS),
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EINA_C_ARRAY_ITERATOR_NEW(models));
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f = efl_future_then(r->factory, f,
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.success = _efl_ui_caching_factory_uncap_then,
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.success_type = EINA_VALUE_TYPE_ARRAY);
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return eina_future_as_value(f);
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}
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eina_hash_del(r->pd->lookup, style, w);
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_efl_ui_caching_factory_remove(r->pd, eina_list_data_find(r->pd->cache, w), w);
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efl_ui_view_model_set(w, model);
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efl_event_callback_call(r->factory, EFL_UI_FACTORY_EVENT_ITEM_BUILDING, w);
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return eina_value_object_init(w);
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}
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static void
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_efl_ui_caching_factory_cleanup(Eo *o EINA_UNUSED, void *data, const Eina_Future *dead_future EINA_UNUSED)
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{
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Efl_Ui_Caching_Factory_Request *r = data;
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efl_unref(r->factory);
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efl_unref(r->parent);
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free(r);
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}
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static Eina_Value
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_efl_ui_caching_factory_group_create_then(Eo *obj EINA_UNUSED,
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void *data,
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const Eina_Value v)
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{
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Efl_Ui_Caching_Factory_Group_Request *gr = data;
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int len, i;
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Efl_Ui_Widget *widget;
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EINA_VALUE_ARRAY_FOREACH(&v, len, i, widget)
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eina_value_array_append(&gr->done, widget);
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return eina_value_reference_copy(&gr->done);
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}
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static void
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_efl_ui_caching_factory_group_cleanup(Eo *o EINA_UNUSED, void *data, const Eina_Future *dead_future EINA_UNUSED)
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{
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Efl_Ui_Caching_Factory_Group_Request *gr = data;
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eina_value_flush(&gr->done);
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free(gr);
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}
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static Eina_Future *
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_efl_ui_caching_factory_efl_ui_factory_create(Eo *obj,
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Efl_Ui_Caching_Factory_Data *pd,
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Eina_Iterator *models)
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{
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Efl_Ui_Caching_Factory_Request *r = NULL;
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Efl_Ui_Caching_Factory_Group_Request *gr = NULL;
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Efl_Gfx_Entity *w = NULL;
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Efl_Model *model = NULL;
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Eina_Future *f = NULL;
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if (pd->cache && pd->style && !pd->klass)
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{
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Eina_Future **all = NULL;
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int count = 0;
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r = calloc(1, sizeof (Efl_Ui_Caching_Factory_Request));
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if (!r) return efl_loop_future_rejected(obj, ENOMEM);
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r->pd = pd;
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r->factory = efl_ref(obj);
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all = calloc(1, sizeof (Eina_Future *));
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if (!all) goto alloc_array_error;
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EINA_ITERATOR_FOREACH(models, model)
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{
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all[count++] = efl_future_then(model,
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efl_model_property_ready_get(model, pd->style),
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.success = _efl_ui_caching_factory_create_then,
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.data = r);
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Eina_Future **tmp = realloc(all, (count + 1) * sizeof (Eina_Future *));
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if (!tmp)
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{
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free(all);
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goto alloc_array_error;
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}
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all = tmp;
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}
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eina_iterator_free(models);
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all[count] = EINA_FUTURE_SENTINEL;
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return efl_future_then(obj, eina_future_all_array(all),
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.data = r,
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.free = _efl_ui_caching_factory_cleanup);
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}
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gr = calloc(1, sizeof (Efl_Ui_Caching_Factory_Group_Request));
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if (!gr) return efl_loop_future_rejected(obj, ENOMEM);
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eina_value_array_setup(&gr->done, EINA_VALUE_TYPE_OBJECT, 4);
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// First get as much object from the cache as possible
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if (pd->cache)
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EINA_ITERATOR_FOREACH(models, model)
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{
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w = eina_list_data_get(pd->cache);
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_efl_ui_caching_factory_remove(pd, pd->cache, w);
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efl_ui_view_model_set(w, model);
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eina_value_array_append(&gr->done, w);
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if (!pd->cache) break;
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}
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// Now create object on the fly that are missing from the cache
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if (pd->klass)
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{
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Efl_Ui_Widget *widget = efl_ui_widget_factory_widget_get(obj);
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EINA_ITERATOR_FOREACH(models, model)
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{
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w = efl_add(pd->klass, widget,
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efl_ui_view_model_set(efl_added, model),
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efl_event_callback_call(obj, EFL_UI_FACTORY_EVENT_ITEM_CONSTRUCTING, efl_added));
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efl_event_callback_call(obj, EFL_UI_FACTORY_EVENT_ITEM_BUILDING, w);
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eina_value_array_append(&gr->done, w);
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}
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f = efl_loop_future_resolved(obj, gr->done);
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eina_value_flush(&gr->done);
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free(gr);
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return f;
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}
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f = efl_ui_factory_create(efl_super(obj, EFL_UI_CACHING_FACTORY_CLASS), models);
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return efl_future_then(obj, f,
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.success = _efl_ui_caching_factory_group_create_then,
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.success_type = EINA_VALUE_TYPE_ARRAY,
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.data = gr,
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.free = _efl_ui_caching_factory_group_cleanup);
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alloc_array_error:
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efl_unref(r->parent);
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efl_unref(r->factory);
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free(r);
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eina_iterator_free(models);
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return efl_loop_future_rejected(obj, ENOMEM);
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}
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static void
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_efl_ui_caching_factory_efl_ui_widget_factory_item_class_set(Eo *obj,
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Efl_Ui_Caching_Factory_Data *pd,
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const Efl_Object *klass)
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{
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if (efl_isa(klass, EFL_UI_VIEW_INTERFACE) &&
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!efl_isa(klass, EFL_UI_WIDGET_CLASS))
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{
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if (!efl_isa(klass, EFL_GFX_ENTITY_INTERFACE) ||
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!efl_isa(klass, EFL_UI_VIEW_INTERFACE))
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{
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ERR("Provided class '%s' for factory '%s' doesn't implement '%s' and '%s' interfaces nor '%s' and '%s' interfaces.",
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efl_class_name_get(klass),
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efl_class_name_get(obj),
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efl_class_name_get(EFL_GFX_ENTITY_INTERFACE),
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efl_class_name_get(EFL_UI_VIEW_INTERFACE),
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efl_class_name_get(EFL_UI_WIDGET_CLASS),
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efl_class_name_get(EFL_UI_VIEW_INTERFACE));
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return ;
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}
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pd->klass = klass;
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return;
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}
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efl_ui_widget_factory_item_class_set(efl_super(obj, EFL_UI_CACHING_FACTORY_CLASS), klass);
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}
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static const Efl_Object *
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_efl_ui_caching_factory_efl_ui_widget_factory_item_class_get(const Eo *obj,
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Efl_Ui_Caching_Factory_Data *pd)
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{
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if (pd->klass) return pd->klass;
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return efl_ui_widget_factory_item_class_get(efl_super(obj, EFL_UI_CACHING_FACTORY_CLASS));
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}
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static void
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_efl_ui_caching_factory_memory_limit_set(Eo *obj,
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Efl_Ui_Caching_Factory_Data *pd,
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unsigned int limit)
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{
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pd->limit.memory = limit;
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_efl_ui_caching_factory_flush(obj, pd);
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}
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static unsigned int
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_efl_ui_caching_factory_memory_limit_get(const Eo *obj EINA_UNUSED,
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Efl_Ui_Caching_Factory_Data *pd)
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{
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return pd->limit.memory;
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}
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static void
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_efl_ui_caching_factory_items_limit_set(Eo *obj,
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Efl_Ui_Caching_Factory_Data *pd,
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unsigned int limit)
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{
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pd->limit.items = limit;
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_efl_ui_caching_factory_flush(obj, pd);
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}
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static unsigned int
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_efl_ui_caching_factory_items_limit_get(const Eo *obj EINA_UNUSED,
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Efl_Ui_Caching_Factory_Data *pd)
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{
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return pd->limit.items;
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}
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static Eina_Value
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_schedule_cache_flush(Eo *obj, void *data, const Eina_Value v)
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{
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Efl_Ui_Caching_Factory_Data *pd = data;
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// And check if the cache need some triming
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_efl_ui_caching_factory_flush(obj, pd);
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return v;
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}
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static void
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_schedule_done(Eo *o EINA_UNUSED, void *data, const Eina_Future *dead_future EINA_UNUSED)
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{
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Efl_Ui_Caching_Factory_Data *pd = data;
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pd->flush = NULL;
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}
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static void
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_efl_ui_caching_factory_efl_ui_factory_release(Eo *obj,
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Efl_Ui_Caching_Factory_Data *pd,
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Eina_Iterator *ui_views)
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{
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Efl_Gfx_Entity *ui_view;
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// Are we invalidated ?
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if (pd->invalidated)
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{
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_efl_ui_caching_factory_item_del(obj, pd, ui_views);
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return;
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}
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EINA_ITERATOR_FOREACH(ui_views, ui_view)
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{
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// Change parent, disconnect the object and make it invisible
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efl_gfx_entity_visible_set(ui_view, EINA_FALSE);
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efl_event_callback_call(obj, EFL_UI_FACTORY_EVENT_ITEM_RELEASING, ui_view);
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// Add to the cache
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pd->cache = eina_list_prepend(pd->cache, ui_view);
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pd->current.items++;
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pd->current.memory += efl_class_memory_size_get(ui_view);
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if (efl_isa(ui_view, EFL_CACHED_ITEM_INTERFACE))
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pd->current.memory += efl_cached_item_memory_size_get(ui_view);
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// Fill lookup
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if (!pd->klass && efl_ui_widget_style_get(ui_view))
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{
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if (!pd->lookup) pd->lookup = eina_hash_string_djb2_new(NULL);
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eina_hash_direct_add(pd->lookup, efl_ui_widget_style_get(ui_view), ui_view);
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}
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}
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eina_iterator_free(ui_views);
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// Schedule a cache flush if necessary
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if (!pd->flush)
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pd->flush = efl_future_then(obj, efl_loop_job(efl_loop_get(obj)),
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.success = _schedule_cache_flush,
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.free = _schedule_done,
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.data = pd);
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}
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static void
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_efl_ui_caching_factory_pause(void *data, const Efl_Event *event EINA_UNUSED)
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{
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Efl_Ui_Caching_Factory_Data *pd = data;
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Efl_Gfx_Entity *entity;
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// Application is going into background, let's free resources.
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// Possible improvement would be to delay that by a few seconds.
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EINA_LIST_FREE(pd->cache, entity)
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efl_del(entity);
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pd->current.items = 0;
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pd->current.memory = 0;
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}
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static void
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_invalidate(void *data, const Efl_Event *event EINA_UNUSED)
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{
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Efl_Ui_Caching_Factory_Data *pd = data;
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// As all the objects in the cache have the factory as parent, there's no need to unparent them
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pd->cache = eina_list_free(pd->cache);
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eina_hash_free(pd->lookup);
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pd->lookup = NULL;
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pd->invalidated = EINA_TRUE;
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}
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static Efl_Object *
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_efl_ui_caching_factory_efl_object_finalize(Eo *obj, Efl_Ui_Caching_Factory_Data *pd)
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{
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Efl_App *a;
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obj = efl_finalize(efl_super(obj, EFL_UI_CACHING_FACTORY_CLASS));
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if (!obj) return NULL;
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a = efl_provider_find(obj, EFL_APP_CLASS);
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if (a) efl_event_callback_add(a, EFL_APP_EVENT_PAUSE, _efl_ui_caching_factory_pause, pd);
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// The order of the invalidate event is guaranteed to happen before any children is invalidated
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// this is not the case for the children invalidate function, which can happen in random order.
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efl_event_callback_add(efl_ui_widget_factory_widget_get(obj), EFL_EVENT_INVALIDATE, _invalidate, pd);
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return obj;
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}
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static void
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_efl_ui_caching_factory_efl_object_invalidate(Eo *obj,
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Efl_Ui_Caching_Factory_Data *pd)
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{
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efl_event_callback_del(efl_ui_widget_factory_widget_get(obj), EFL_EVENT_INVALIDATE, _invalidate, pd);
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efl_invalidate(efl_super(obj, EFL_UI_CACHING_FACTORY_CLASS));
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}
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static Eina_Error
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_efl_ui_caching_factory_efl_ui_property_bind_property_bind(Eo *obj, Efl_Ui_Caching_Factory_Data *pd,
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const char *key, const char *property)
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{
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if (!strcmp(key, "style"))
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eina_stringshare_replace(&pd->style, property);
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return efl_ui_property_bind(efl_super(obj, EFL_UI_CACHING_FACTORY_CLASS), key, property);
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}
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#include "efl_ui_caching_factory.eo.c"
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