ecore: make efl_loop_promise_new a function of Efl.Loop_Consumer.

I am not sure this is the right way to do it as binding would have to likely
to bind it manually.

Reviewed-by: Lauro Neto <Lauro Moura <lauromoura@expertisesolutions.com.br>>
Differential Revision: https://phab.enlightenment.org/D7492

src/lib/ecore/Ecore_Eo.h

@@ -62,19 +62,6 @@ EAPI int efl_loop_exit_code_process(Eina_Value *value);
  */
 EAPI Eina_Future_Scheduler *efl_loop_future_scheduler_get(const Eo *obj);
 
-/**
- * @brief Create a promise attached to the current loop
- *
- * @param[in] An object which will provide a loop, either by being a loop or a loop consumer
- * @param cancel_cb A callback used to inform that the promise was canceled. Use
- * this callback to @c free @p data. @p cancel_cb must not be @c NULL !
- * @param data Data to @p cancel_cb.
- * @return A promise or @c NULL on error.
- *
- * @see eina_promise_new()
- */
-EAPI Eina_Promise *efl_loop_promise_new(const Eo *obj, Eina_Promise_Cancel_Cb cancel_cb, const void *data);
-
 #include "efl_loop_fd.eo.h"
 #include "efl_loop_handler.eo.h"
 

src/lib/ecore/efl_loop.c

@@ -902,11 +902,4 @@ efl_loop_future_scheduler_get(const Eo *obj)
 #define EFL_LOOP_EXTRA_OPS \
   EFL_OBJECT_OP_FUNC(efl_loop_message_process, _efl_loop_message_process)
 
-EAPI Eina_Promise *
-efl_loop_promise_new(const Eo *obj, Eina_Promise_Cancel_Cb cancel_cb, const void *data)
-{
-   return eina_promise_new(efl_loop_future_scheduler_get(obj),
-                           cancel_cb, data);
-}
-
 #include "efl_loop.eo.c"

src/lib/ecore/efl_loop_consumer.c

@@ -50,4 +50,51 @@ _efl_loop_consumer_future_rejected(Eo *obj, Efl_Loop_Consumer_Data *pd EINA_UNUS
    return eina_future_rejected(efl_loop_future_scheduler_get(obj), error);
 }
 
+typedef struct _Efl_Loop_Consumer_Promise Efl_Loop_Consumer_Promise;
+struct _Efl_Loop_Consumer_Promise
+{
+   EflLoopConsumerPromiseCancel func;
+   Eina_Free_Cb free;
+   void *data;
+   Eo *obj;
+};
+
+static void
+_cancel_free(void *data)
+{
+   Efl_Loop_Consumer_Promise *lcp = data;
+
+   if (lcp->free) lcp->free(lcp->data);
+   efl_unref(lcp->obj);
+   free(lcp);
+}
+
+static void
+_cancel_triggered(void *data, const Eina_Promise *p)
+{
+   Efl_Loop_Consumer_Promise *lcp = data;
+
+   if (lcp->func) lcp->func(lcp->data, lcp->obj, p);
+}
+
+static Eina_Promise *
+_efl_loop_consumer_promise_new(Eo *obj, Efl_Loop_Consumer_Data *pd,
+                               void *cancel_data, EflLoopConsumerPromiseCancel cancel, Eina_Free_Cb cancel_free_cb)
+{
+   Efl_Loop_Consumer_Promise *lcp;
+   Eina_Promise *p;
+
+   lcp = calloc(1, sizeof (Efl_Loop_Consumer_Promise));
+   if (!lcp) return NULL;
+
+   lcp->func = cancel;
+   lcp->data = cancel_data;
+   lcp->free = cancel_free_cb;
+   lcp->obj = efl_ref(obj);
+
+   p = eina_promise_new(efl_loop_future_scheduler_get(obj), _cancel_triggered, lcp);
+   eina_promise_data_free_cb_set(p, _cancel_free);
+   return p;
+}
+
 #include "efl_loop_consumer.eo.c"

src/lib/ecore/efl_loop_consumer.eo

@@ -1,3 +1,11 @@
+function EflLoopConsumerPromiseCancel {
+   [[EflLoopConsumerPromiseCancel function callback called when a promise is cancelled.]]
+   params {
+      @in consumer: Efl.Loop_Consumer; [[The consumer that was used to create the promise.]]
+      @in dead_promise: const(ptr(Eina.Promise)); [[The promise that was just cancelled.]]
+   }
+};
+
 class Efl.Loop_Consumer (Efl.Object)
 {
    [[An Efl.Loop_Consumer is a class which requires one of the parents to provide
@@ -26,6 +34,15 @@ class Efl.Loop_Consumer (Efl.Object)
          }
          return: future<Eina.Error>;
       }
+      promise_new {
+         [[Create a new promise with the scheduler coming from the loop provided by this object.
+
+	 Note: You should not use eina_promise_data_set as this function rely on controlling the promise data.]]
+         params {
+	    cancel: EflLoopConsumerPromiseCancel; [[Callback called when the promise is being cancelled.]]
+	 }
+	 return: ptr(Eina.Promise) @owned; [[The new promise.]]
+      }
    }
    implements {
       Efl.Object.parent { set; }

src/lib/ecore/efl_thread.c

@@ -412,7 +412,7 @@ _cb_thread_parent_ctrl_out(void *data, const Efl_Event *event EINA_UNUSED)
 //////////////////////////////////////////////////////////////////////////
 
 static void
-_run_cancel_cb(void *data, const Eina_Promise *dead_promise EINA_UNUSED)
+_run_cancel_cb(void *data, Efl_Loop_Consumer *consumer EINA_UNUSED, const Eina_Promise *dead_promise EINA_UNUSED)
 {
    Eo *obj = data;
    Efl_Thread_Data *pd = efl_data_scope_get(obj, MY_CLASS);
@@ -777,7 +777,7 @@ _efl_thread_efl_task_run(Eo *obj, Efl_Thread_Data *pd)
      }
    pd->thdat = thdat;
    pd->run = EINA_TRUE;
-   pd->promise = efl_loop_promise_new(obj, _run_cancel_cb, obj);
+   pd->promise = efl_loop_promise_new(obj, obj, _run_cancel_cb, NULL);
    return efl_future_then(obj, eina_future_new(pd->promise));
 }
 

src/lib/ecore_con/efl_net_control_access_point-connman.c

@@ -751,7 +751,7 @@ _efl_net_control_access_point_connect_cb(void *data, const Eldbus_Message *msg,
 }
 
 static void
-_efl_net_control_access_point_connect_promise_del(void *data, const Eina_Promise *dead_ptr)
+_efl_net_control_access_point_connect_promise_del(void *data, Efl_Loop_Consumer *consumer EINA_UNUSED, const Eina_Promise *dead_ptr)
 {
    Eldbus_Pending *p = data;
    Efl_Net_Control_Access_Point_Data *pd;
@@ -773,7 +773,7 @@ _efl_net_control_access_point_connect(Eo *o, Efl_Net_Control_Access_Point_Data *
    Eina_Promise *promise;
    Eina_Future *f = NULL;
 
-   promise = efl_loop_promise_new(o, _efl_net_control_access_point_connect_promise_del, o);
+   promise = efl_loop_promise_new(o, o, _efl_net_control_access_point_connect_promise_del, NULL);
    EINA_SAFETY_ON_NULL_RETURN_VAL(promise, NULL);
 
    f = eina_future_new(promise);

src/lib/ecore_con/efl_net_control_technology-connman.c

@@ -371,9 +371,9 @@ _efl_net_control_technology_scan_cb(void *data, const Eldbus_Message *msg, Eldbu
 }
 
 static void
-_efl_net_control_technology_scan_promise_del(void *data, const Eina_Promise *dead_ptr)
+_efl_net_control_technology_scan_promise_del(void *data, Efl_Loop_Consumer *consumer, const Eina_Promise *dead_ptr)
 {
-   Eldbus_Pending *p = data;
+   Eldbus_Pending *p = consumer;
    Efl_Net_Control_Technology_Data *pd;
    Eo *o;
 
@@ -399,7 +399,7 @@ _efl_net_control_technology_scan(Eo *o, Efl_Net_Control_Technology_Data *pd)
    Eina_Promise *promise;
    Eina_Future *f = NULL;
 
-   promise = efl_loop_promise_new(o, _efl_net_control_technology_scan_promise_del, NULL);
+   promise = efl_loop_promise_new(o, NULL, _efl_net_control_technology_scan_promise_del, NULL);
    EINA_SAFETY_ON_NULL_RETURN_VAL(promise, NULL);
 
    f = eina_future_new(promise);

src/lib/ecore_con/efl_net_ip_address.c

@@ -573,7 +573,7 @@ _efl_net_ip_address_resolve(Eo *cls EINA_UNUSED, void *pd EINA_UNUSED, const cha
    ctx->thread = efl_net_ip_resolve_async_new(host, port, &hints, _efl_net_ip_address_resolve_done, ctx);
    EINA_SAFETY_ON_NULL_GOTO(ctx->thread, error_thread);
 
-   ctx->promise = efl_loop_promise_new(efl_main_loop_get(), _efl_net_ip_address_resolve_del, ctx);
+   ctx->promise = eina_promise_new(efl_loop_future_scheduler_get(efl_main_loop_get()), _efl_net_ip_address_resolve_del, ctx);
    EINA_SAFETY_ON_NULL_GOTO(ctx->promise, error_promise);
 
    free(str);

src/lib/eio/efl_io_manager.c

@@ -119,7 +119,7 @@ _efl_io_manager_direct_ls(const Eo *obj,
    Eina_Future *future;
    Eio_File *h;
 
-   p = efl_loop_promise_new(obj, _efl_io_manager_future_cancel, NULL);
+   p = eina_promise_new(efl_loop_future_scheduler_get(obj), _efl_io_manager_future_cancel, NULL);
    if (!p) return NULL;
    future = eina_future_new(p);
 
@@ -162,7 +162,7 @@ _efl_io_manager_stat_ls(const Eo *obj,
    Eina_Future *future;
    Eio_File *h;
 
-   p = efl_loop_promise_new(obj, _efl_io_manager_future_cancel, NULL);
+   p = eina_promise_new(efl_loop_future_scheduler_get(obj), _efl_io_manager_future_cancel, NULL);
    if (!p) return NULL;
    future = eina_future_new(p);
 
@@ -204,7 +204,7 @@ _efl_io_manager_ls(const Eo *obj,
    Eina_Future *future;
    Eio_File *h;
 
-   p = efl_loop_promise_new(obj, _efl_io_manager_future_cancel, NULL);
+   p = eina_promise_new(efl_loop_future_scheduler_get(obj), _efl_io_manager_future_cancel, NULL);
    if (!p) return NULL;
    future = eina_future_new(p);
 
@@ -256,7 +256,7 @@ _efl_io_manager_stat(const Eo *obj,
    Eina_Future *future;
    Eio_File *h;
 
-   p = efl_loop_promise_new(obj, _efl_io_manager_future_cancel, NULL);
+   p = eina_promise_new(efl_loop_future_scheduler_get(obj), _efl_io_manager_future_cancel, NULL);
    if (!p) return NULL;
    future = eina_future_new(p);
 
@@ -285,7 +285,7 @@ _efl_io_manager_xattr_ls(const Eo *obj,
    Eina_Future *future;
    Eio_File *h;
 
-   p = efl_loop_promise_new(obj, _efl_io_manager_future_cancel, NULL);
+   p = eina_promise_new(efl_loop_future_scheduler_get(obj), _efl_io_manager_future_cancel, NULL);
    if (!p) return NULL;
    future = eina_future_new(p);
 
@@ -336,7 +336,7 @@ _efl_io_manager_xattr_set(Eo *obj,
    Eina_Future *future;
    Eio_File *h;
 
-   p = efl_loop_promise_new(obj, _efl_io_manager_future_cancel, NULL);
+   p = eina_promise_new(efl_loop_future_scheduler_get(obj), _efl_io_manager_future_cancel, NULL);
    if (!p) return NULL;
    future = eina_future_new(p);
 
@@ -366,7 +366,7 @@ _efl_io_manager_xattr_get(const Eo *obj,
    Eina_Future *future;
    Eio_File *h;
 
-   p = efl_loop_promise_new(obj, _efl_io_manager_future_cancel, NULL);
+   p = eina_promise_new(efl_loop_future_scheduler_get(obj), _efl_io_manager_future_cancel, NULL);
    if (!p) return NULL;
    future = eina_future_new(p);
 
@@ -405,7 +405,7 @@ _efl_io_manager_open(const Eo *obj,
    Eina_Future *future;
    Eio_File *h;
 
-   p = efl_loop_promise_new(obj, _efl_io_manager_future_cancel, NULL);
+   p = eina_promise_new(efl_loop_future_scheduler_get(obj), _efl_io_manager_future_cancel, NULL);
    if (!p) return NULL;
    future = eina_future_new(p);
 
@@ -431,7 +431,7 @@ _efl_io_manager_close(const Eo *obj,
    Eina_Future *future;
    Eio_File *h;
 
-   p = efl_loop_promise_new(obj, _efl_io_manager_future_cancel, NULL);
+   p = eina_promise_new(efl_loop_future_scheduler_get(obj), _efl_io_manager_future_cancel, NULL);
    if (!p) return NULL;
    future = eina_future_new(p);
 

src/lib/eio/eio_model.c

@@ -417,7 +417,7 @@ _build_delay(Efl_Loop *loop)
 {
    Eina_Promise *p;
 
-   p = efl_loop_promise_new(loop, _cancel_request, NULL);
+   p = eina_promise_new(efl_loop_future_scheduler_get(loop), _cancel_request, NULL);
 
    if (!delayed_queue)
      {
@@ -682,7 +682,7 @@ _eio_model_efl_model_property_set(Eo *obj,
 
    if (finalized)
      {
-        Eina_Promise *p = efl_loop_promise_new(obj, _efl_io_manager_future_cancel, NULL);
+        Eina_Promise *p = eina_promise_new(efl_loop_future_scheduler_get(obj), _efl_io_manager_future_cancel, NULL);
         f = eina_future_new(p);
 
         pd->request.move = eio_file_move(pd->path, path,

src/lib/eldbus/eldbus_model_connection.c

@@ -70,7 +70,7 @@ _eldbus_model_connection_efl_model_children_slice_get(Eo *obj,
         return efl_loop_future_resolved(obj, v);
      }
 
-   p = efl_loop_promise_new(obj, _eldbus_eina_promise_cancel, NULL);
+   p = efl_loop_promise_new(obj, NULL, _eldbus_eina_promise_cancel, NULL);
 
    slice = calloc(1, sizeof (Eldbus_Children_Slice_Promise));
    slice->p = p;

src/lib/eldbus/eldbus_model_object.c

@@ -127,7 +127,7 @@ _eldbus_model_object_efl_model_children_slice_get(Eo *obj EINA_UNUSED,
         return efl_loop_future_resolved(obj, v);
      }
 
-   p = efl_loop_promise_new(obj, _eldbus_eina_promise_cancel, NULL);
+   p = efl_loop_promise_new(obj, NULL, _eldbus_eina_promise_cancel, NULL);
 
    slice = calloc(1, sizeof(struct _Eldbus_Children_Slice_Promise));
    slice->p = p;

src/lib/eldbus/eldbus_model_private.h

@@ -41,6 +41,7 @@ extern int eldbus_model_log_dom;
 
 static inline void
 _eldbus_eina_promise_cancel(void *data EINA_UNUSED,
+                            Efl_Loop_Consumer *consumer EINA_UNUSED,
                             const Eina_Promise *dead_ptr EINA_UNUSED)
 {
 }

src/lib/eldbus/eldbus_model_proxy.c

@@ -230,6 +230,7 @@ eldbus_model_proxy_property_check(Eldbus_Model_Proxy_Data *pd,
 
 static void
 _eldbus_model_proxy_cancel_cb(void *data,
+                              Efl_Loop_Consumer *consumer EINA_UNUSED,
                               const Eina_Promise *dead_promise EINA_UNUSED)
 {
    Eldbus_Model_Proxy_Property_Set_Data *sd = data;
@@ -293,7 +294,7 @@ _eldbus_model_proxy_efl_model_property_set(Eo *obj EINA_UNUSED,
    if (!data) goto on_error;
 
    data->pd = pd;
-   data->promise = efl_loop_promise_new(obj, _eldbus_model_proxy_cancel_cb, data);
+   data->promise = efl_loop_promise_new(obj, data, _eldbus_model_proxy_cancel_cb, NULL);
    data->property = eina_stringshare_add(property);
    if (!(data->value = eina_value_dup(value))) goto on_error;
 

src/lib/elementary/efl_selection_manager.c

@@ -224,7 +224,7 @@ _sel_manager_seat_selection_init(Efl_Selection_Manager_Data *pd, unsigned int se
 }
 
 static void
-_sel_manager_promise_cancel(void *data, const Eina_Promise *dead_future EINA_UNUSED)
+_sel_manager_promise_cancel(void *data, Efl_Loop_Consumer *consumer, const Eina_Promise *dead_future EINA_UNUSED)
 {
    Sel_Manager_Selection_Lost *sel_lost = data;
    sel_lost->seat_sel->sel_lost_list = eina_list_remove(
@@ -247,7 +247,7 @@ _update_sel_lost_list(Efl_Object *obj, Efl_Selection_Type type,
    sel_lost->seat_sel = seat_sel;
    seat_sel->sel_lost_list = eina_list_append(seat_sel->sel_lost_list, sel_lost);
 
-   p = efl_loop_promise_new(obj, _sel_manager_promise_cancel, NULL);
+   p = efl_loop_promise_new(obj, NULL, _sel_manager_promise_cancel, NULL);
    eina_promise_data_set(p, sel_lost);
    if (!p) return NULL;
    sel_lost->promise = p;

src/lib/eo/eina_types.eot

@@ -99,6 +99,8 @@ struct @extern Eina.Stat {
     ctimensec: ulong; [[The nano version of the timestmap when the file was created]]
 }
 
+struct @extern Eina.Promise; [[Eina promise type]]
+
 /* FIXME: This definitely shouldn't be here. */
 type Efl.Event_Cb: __undefined_type; [[Efl event callback type]]