efl: add an event for the View to know if someone did bound a property.

Reviewed-by: Vitor Sousa da Silva <vitorsousa@expertisesolutions.com.br>
Differential Revision: https://phab.enlightenment.org/D7945

src/lib/elementary/efl_ui_image.c

@@ -1953,6 +1953,8 @@ _efl_ui_image_efl_ui_view_model_set(Eo *obj, Efl_Ui_Image_Data *pd, Efl_Model *m
 EOLIAN static Eina_Error
 _efl_ui_image_efl_ui_property_bind_property_bind(Eo *obj, Efl_Ui_Image_Data *pd, const char *key, const char *property)
 {
+   Eina_Stringshare *sk;
+
    if (strcmp(key, "filename") == 0)
      {
         pd->property.icon = EINA_FALSE;
@@ -1974,6 +1976,11 @@ _efl_ui_image_efl_ui_property_bind_property_bind(Eo *obj, Efl_Ui_Image_Data *pd,
      }
 
    _update_viewmodel(obj, pd);
+
+   sk = eina_stringshare_add(key);
+   efl_event_callback_call(obj, EFL_UI_PROPERTY_BIND_EVENT_PROPERTY_BOUND, (void*) sk);
+   eina_stringshare_del(sk);
+
    return 0;
 }
 

src/lib/elementary/efl_ui_layout.c

@@ -2275,6 +2275,7 @@ _efl_ui_layout_base_efl_ui_property_bind_property_bind(Eo *obj, Efl_Ui_Layout_Da
 {
    EINA_SAFETY_ON_NULL_RETURN_VAL(key, EFL_PROPERTY_ERROR_INVALID_KEY);
    Eina_Stringshare *sprop;
+   Eina_Stringshare *sk;
    Eina_Hash *hash = NULL;
    char *data = NULL;
    Efl_Model *model;
@@ -2323,6 +2324,10 @@ _efl_ui_layout_base_efl_ui_property_bind_property_bind(Eo *obj, Efl_Ui_Layout_Da
           _efl_ui_layout_view_model_property_update(pd, data, sprop);
      }
 
+   sk = eina_stringshare_add(key);
+   efl_event_callback_call(obj, EFL_UI_PROPERTY_BIND_EVENT_PROPERTY_BOUND, (void*) sk);
+   eina_stringshare_del(sk);
+
    if (!sprop)
      free(data);
 

src/lib/elementary/efl_ui_layout_factory.c

@@ -133,18 +133,16 @@ _efl_ui_layout_factory_efl_ui_property_bind_property_bind(Eo *obj EINA_UNUSED, E
    if (property == NULL)
      {
         eina_hash_del(pd->bind.properties, ss_key, NULL);
-        eina_stringshare_del(ss_key);
-        return 0;
+        goto end;
      }
 
    ss_prop = eina_stringshare_add(property);
    ss_old = eina_hash_set(pd->bind.properties, ss_key, ss_prop);
-   if (ss_old)
-     {
-        eina_stringshare_del(ss_old);
-        eina_stringshare_del(ss_key);
-     }
+   if (ss_old) eina_stringshare_del(ss_old);
 
+ end:
+   efl_event_callback_call(obj, EFL_UI_PROPERTY_BIND_EVENT_PROPERTY_BOUND, (void*) ss_key);
+   eina_stringshare_del(ss_key);
    return 0;
 }
 

src/lib/elementary/efl_ui_widget.c

@@ -6069,6 +6069,7 @@ _efl_ui_widget_efl_ui_property_bind_property_bind(Eo *obj, Efl_Ui_Widget_Data *p
 
    _efl_ui_property_bind_get(pd, prop);
 
+   efl_event_callback_call(obj, EFL_UI_PROPERTY_BIND_EVENT_PROPERTY_BOUND, (void*) prop->key);
 
    return 0;
 }

src/lib/elementary/efl_ui_widget_factory.c

@@ -115,13 +115,16 @@ _efl_ui_widget_factory_efl_ui_factory_release(Eo *obj EINA_UNUSED,
    efl_del(ui_view);
 }
 
+Eina_Stringshare *_property_style_ss = NULL;
+
 static Eina_Error
 _efl_ui_widget_factory_efl_ui_property_bind_property_bind(Eo *obj, Efl_Ui_Widget_Factory_Data *pd,
                                                           const char *target, const char *property)
 {
-   if (!strcmp(target, "style"))
+   if (_property_style_ss == target || !strcmp(target, _property_style_ss))
      {
         eina_stringshare_replace(&pd->style, property);
+        efl_event_callback_call(obj, EFL_UI_PROPERTY_BIND_EVENT_PROPERTY_BOUND, (void*) _property_style_ss);
         return 0;
      }
 

src/lib/elementary/elm_main.c

@@ -809,6 +809,7 @@ elm_quicklaunch_init(int    argc EINA_UNUSED,
      }
    if (!_elm_data_dir) _elm_data_dir = eina_stringshare_add("/");
    if (!_elm_lib_dir) _elm_lib_dir = eina_stringshare_add("/");
+   if (!_property_style_ss) _property_style_ss = eina_stringshare_add("style");
 
    eina_log_timing(_elm_log_dom, EINA_LOG_STATE_STOP, EINA_LOG_STATE_INIT);
 
@@ -925,6 +926,7 @@ elm_quicklaunch_shutdown(void)
    pfx = NULL;
    ELM_SAFE_FREE(_elm_data_dir, eina_stringshare_del);
    ELM_SAFE_FREE(_elm_lib_dir, eina_stringshare_del);
+   ELM_SAFE_FREE(_property_style_ss, eina_stringshare_del);
    ELM_SAFE_FREE(_elm_appname, free);
 
    ELM_SAFE_FREE(_elm_exit_handler, ecore_event_handler_del);

src/lib/elementary/elm_priv.h

@@ -899,6 +899,8 @@ extern const char SIG_WIDGET_ACCESS_CHANGED[];
 extern const char SIG_LAYOUT_FOCUSED[];
 extern const char SIG_LAYOUT_UNFOCUSED[];
 
+extern Eina_Stringshare *_property_style_ss;
+
 extern Eina_Bool _config_profile_lock;
 
 # ifdef HAVE_ELEMENTARY_WL2