forked from enlightenment/efl
338 lines
10 KiB
C
338 lines
10 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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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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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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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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Eo *parent;
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Efl_Model *model;
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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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Efl_Gfx_Entity *entity)
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{
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if (pd->klass) efl_del(entity);
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else efl_ui_factory_release(efl_super(obj, EFL_UI_CACHING_FACTORY_CLASS), entity);
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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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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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_efl_ui_caching_factory_item_del(obj, pd, 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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_efl_ui_caching_factory_item_del(obj, pd, entity);
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}
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}
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static Eina_Value
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_efl_ui_caching_factory_create_then(Eo *obj EINA_UNUSED, 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 *string = NULL;
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if (!eina_value_string_get(&v, &string))
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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, string);
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if (!w)
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{
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Eina_Future *f;
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// No object of that style in the cache, need to create a new one
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f = efl_ui_factory_create(efl_super(obj, EFL_UI_CACHING_FACTORY_CLASS),
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r->model, r->parent);
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return eina_future_as_value(f);
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}
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eina_hash_del(r->pd->lookup, string, w);
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_efl_ui_caching_factory_remove(r->pd, r->pd->cache, w);
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efl_parent_set(w, r->parent);
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efl_ui_view_model_set(w, r->model);
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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_create_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->model);
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efl_unref(r->parent);
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free(r);
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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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Efl_Model *model, Efl_Gfx_Entity *parent)
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{
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Efl_Gfx_Entity *w = NULL;
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if (pd->cache)
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{
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if (pd->style && !pd->klass)
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{
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Efl_Ui_Caching_Factory_Request *r;
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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->parent = efl_ref(parent);
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r->model = efl_ref(model);
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return efl_future_then(obj, efl_model_property_ready_get(obj, pd->style),
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.success = _efl_ui_caching_factory_create_then,
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.data = r,
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.free = _efl_ui_caching_factory_create_cleanup);
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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_parent_set(w, parent);
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}
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if (!w)
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{
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if (pd->klass) w = efl_add(pd->klass, parent);
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else return efl_ui_factory_create(efl_super(obj, EFL_UI_CACHING_FACTORY_CLASS),
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model, parent);
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}
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efl_ui_view_model_set(w, model);
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return efl_loop_future_resolved(obj, eina_value_object_init(w));
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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 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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Efl_Gfx_Entity *ui_view)
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{
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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_view);
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return;
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}
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// Change parent, disconnect the object and make it invisible
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efl_parent_set(ui_view, obj);
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efl_gfx_entity_visible_set(ui_view, EINA_FALSE);
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efl_ui_view_model_set(ui_view, NULL);
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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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// And check if the cache need some triming
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_efl_ui_caching_factory_flush(obj, pd);
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}
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static void
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_efl_ui_caching_factory_efl_object_invalidate(Eo *obj EINA_UNUSED,
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Efl_Ui_Caching_Factory_Data *pd)
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{
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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_App *
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_efl_ui_caching_factory_app_get(Eo *obj)
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{
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Efl_Object *p;
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p = efl_parent_get(obj);
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if (!p) return NULL;
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// It is acceptable to just have a loop as parent and not an app
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return efl_provider_find(obj, EFL_APP_CLASS);
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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 ressource
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// Possible improvement would be to delay that by a few second.
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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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_efl_ui_caching_factory_efl_object_parent_set(Eo *obj, Efl_Ui_Caching_Factory_Data *pd, Efl_Object *parent)
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{
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Efl_App *a;
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a = _efl_ui_caching_factory_app_get(obj);
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if (a) efl_event_callback_del(a, EFL_APP_EVENT_PAUSE, _efl_ui_caching_factory_pause, pd);
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efl_parent_set(efl_super(obj, EFL_UI_CACHING_FACTORY_CLASS), parent);
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// We are fetching the parent again, just in case the update was denied
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a = _efl_ui_caching_factory_app_get(obj);
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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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}
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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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