efl/src/lib/efl/interfaces/efl_ui_factory.eo

struct @beta Efl.Ui.Factory_Item_Created_Event {
   [[EFL UI Factory event structure provided when an item was just created.]]
   model: Efl.Model; [[The model already set on the new item.]]
   item: Efl.Gfx.Entity; [[The item that was just created.]]
}

interface @beta Efl.Ui.Factory extends Efl.Ui.Property_Bind, Efl.Ui.Factory_Bind
{
   [[Interface for factory-pattern object creation.

     This object represents a Factory in the factory pattern. Objects should be created via the method
     @Efl.Ui.View_Factory.create_with_event, which will in turn call the necessary APIs from this interface.
     Objects created this way should be removed using @.release.
   ]]
   methods {
      create @protected {
         [[Create a UI object from the necessary properties in the specified model.

           Note: This is the function you need to implement for a custom factory, but if you want to use a factory,
           you should rely on @Efl.Ui.View_Factory.create_with_event.]]
         params {
            models: iterator<Efl.Model>; [[Efl iterator providing the model to be associated to the new item.
                                           It should remain valid until the end of the function call.]]
            parent: Efl.Gfx.Entity; [[Efl canvas.]]
         }
         return: future<Efl.Gfx.Entity>; [[Created UI object.]]
      }
      release {
         [[Release a UI object and disconnect from models.]]
         params {
            ui_view: Efl.Gfx.Entity; [[Object to remove.]]
         }
      }
      building @const {
         [[This function is called during the creation of an UI object between the @Efl.Object.constructor and
           @Efl.Object.finalize call.

           Note: If the @Efl.Ui.Factory does keep a cache of objects, this won't be called when objects are pulled out
           of the cache.]]
         params {
            ui_view: Efl.Gfx.Entity; [[The UI object being created.]]
         }
      }
   }
   events {
      created: Efl.Ui.Factory_Item_Created_Event; [[Event triggered when an item has been successfully created.]]
   }
}