forked from enlightenment/efl
165 lines
4.6 KiB
C
165 lines
4.6 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "Eina.h"
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#include "Efl.h"
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#include <Ecore.h>
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#include "Eo.h"
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#include "ecore_private.h"
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#include "efl_loop_model.eo.h"
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typedef struct _Efl_Loop_Model_Watcher_Data Efl_Loop_Model_Watcher_Data;
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struct _Efl_Loop_Model_Watcher_Data
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{
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const char *property;
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Eina_Promise *p;
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Eo *obj;
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};
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static void _propagate_future(void *data, const Efl_Event *event);
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static void
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_efl_loop_model_wathcer_free(Efl_Loop_Model_Watcher_Data *wd)
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{
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efl_event_callback_del(wd->obj, EFL_MODEL_EVENT_PROPERTIES_CHANGED,
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_propagate_future, wd);
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eina_stringshare_del(wd->property);
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free(wd);
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}
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static void
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_propagate_future(void *data, const Efl_Event *event)
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{
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Efl_Model_Property_Event *ev = event->info;
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const char *property;
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unsigned int i;
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Eina_Array_Iterator it;
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Efl_Loop_Model_Watcher_Data *wd = data;
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EINA_ARRAY_ITER_NEXT(ev->changed_properties, i, property, it)
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if (property == wd->property || !strcmp(property, wd->property))
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{
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Eina_Value *v = efl_model_property_get(wd->obj, wd->property);
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if (eina_value_type_get(v) == EINA_VALUE_TYPE_ERROR)
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{
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Eina_Error err = 0;
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eina_value_get(v, &err);
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if (err == EAGAIN)
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return ; // Not ready yet
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eina_promise_reject(wd->p, err);
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}
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else
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{
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eina_promise_resolve(wd->p, eina_value_reference_copy(v));
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}
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eina_value_free(v);
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_efl_loop_model_wathcer_free(wd);
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break ;
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}
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}
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static void
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_event_cancel(void *data, const Eina_Promise *dead_ptr EINA_UNUSED)
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{
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_efl_loop_model_wathcer_free(data);
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}
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static Eina_Future *
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_efl_loop_model_efl_model_property_ready_get(Eo *obj, void *pd EINA_UNUSED, const char *property)
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{
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Eina_Value *value = efl_model_property_get(obj, property);
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Eina_Future *f;
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if (eina_value_type_get(value) == EINA_VALUE_TYPE_ERROR)
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{
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Eina_Error err = 0;
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eina_value_get(value, &err);
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eina_value_free(value);
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if (err == EAGAIN)
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{
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Efl_Loop_Model_Watcher_Data *wd = calloc(1, sizeof (Efl_Loop_Model_Watcher_Data));
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wd->obj = obj;
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wd->property = eina_stringshare_add(property);
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wd->p = eina_promise_new(efl_loop_future_scheduler_get(obj),
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_event_cancel, wd);
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efl_event_callback_add(obj,
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EFL_MODEL_EVENT_PROPERTIES_CHANGED,
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_propagate_future, wd);
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return efl_future_then(obj, eina_future_new(wd->p));
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}
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return eina_future_rejected(efl_loop_future_scheduler_get(obj), err);
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}
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f = eina_future_resolved(efl_loop_future_scheduler_get(obj),
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eina_value_reference_copy(value));
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eina_value_free(value);
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return efl_future_then(obj, f);
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}
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static void
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_noref_death(void *data EINA_UNUSED, const Efl_Event *event)
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{
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efl_event_callback_del(event->object, EFL_EVENT_NOREF, _noref_death, NULL);
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// For safety reason and in case multiple call to volatile has been made
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// we check that there is still a parent at this point in EFL_EVENT_NOREF
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efl_del(event->object);
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}
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static void
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_efl_loop_model_volatile_make(Eo *obj, void *pd EINA_UNUSED)
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{
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// Just to make sure we do not double register this callback, we first remove
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// any potentially previous one.
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efl_event_callback_del(obj, EFL_EVENT_NOREF, _noref_death, NULL);
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efl_event_callback_add(obj, EFL_EVENT_NOREF, _noref_death, NULL);
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}
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static Eina_Future *
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_efl_loop_model_efl_model_property_set(Eo *obj, void *pd EINA_UNUSED,
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const char *property, Eina_Value *value)
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{
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Eina_Error err;
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if (!value) return efl_loop_future_rejected(obj, EFL_MODEL_ERROR_INCORRECT_VALUE);
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err = efl_property_reflection_set(obj, property, *value);
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if (err) return efl_loop_future_rejected(obj, err);
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return efl_loop_future_resolved(obj, efl_property_reflection_get(obj, property));
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}
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static Eina_Value *
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_efl_loop_model_efl_model_property_get(const Eo *obj, void *pd EINA_UNUSED,
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const char *property)
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{
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Eina_Value *r;
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Eina_Value direct;
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direct = efl_property_reflection_get(obj, property);
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r = eina_value_dup(&direct);
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eina_value_flush(&direct);
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return r;
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}
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static void
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_efl_loop_model_efl_object_invalidate(Eo *obj, void *pd EINA_UNUSED)
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{
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efl_event_callback_del(obj, EFL_EVENT_NOREF, _noref_death, NULL);
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efl_invalidate(efl_super(obj, EFL_LOOP_MODEL_CLASS));
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}
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#include "efl_loop_model.eo.c"
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