/**
* @brief Implementation AtkObject->ref_child callback
*
* ATK doc says:\n
* Gets a reference to the specified accessible child of the object. The
* accessible children are 0-based so the first accessible child is at index 0,
* the second at index 1 and so on.
*
* @returns an AtkObject representing the specified accessible child of the
* accessible.
*/
static AtkObject *
eail_naviframe_ref_child(AtkObject *obj, gint i)
{
Eina_List *list;
EailNaviframe *naviframe;
EailWidget *widget;
Evas_Object *e_object;
g_return_val_if_fail(EAIL_IS_NAVIFRAME(obj), NULL);
naviframe = EAIL_NAVIFRAME(obj);
widget = EAIL_WIDGET(naviframe);
e_object = eail_widget_get_widget(widget);
list = elm_naviframe_items_get(e_object);
int list_count = eina_list_count(list);
if (i >= list_count)
{
eina_list_free(list);
return NULL;
}
AtkObject *child = eail_naviframe_page_new(obj, i);
atk_object_initialize(child, eina_list_nth(list, i));
g_object_ref(child);
naviframe->cached_pages = eina_list_append(naviframe->cached_pages, child);
eina_list_free(list);
return child;
}
/**
* @brief Initializer for AtkObjectClass
*
* @param obj an AtkObject
* @param data initialization data
*/
static void
eail_naviframe_initialize(AtkObject *obj, gpointer data)
{
Evas_Object *nested_widget = NULL;
EailNaviframe *naviframe_obj = NULL;
ATK_OBJECT_CLASS(eail_naviframe_parent_class)->initialize(obj, data);
obj->role = ATK_ROLE_PAGE_TAB_LIST;
g_return_if_fail(EAIL_IS_WIDGET(obj));
nested_widget = eail_widget_get_widget(EAIL_WIDGET(obj));
if (!nested_widget)
{
ERR("No evas object inside EailWidget was found");
return;
}
evas_object_smart_callback_add(nested_widget, "transition,finished",
_eail_naviframe_handle_page_changed_event, obj);
eail_naviframe_actions_init(EAIL_ACTION_WIDGET(obj));
naviframe_obj = EAIL_NAVIFRAME(obj);
/* storing last numbers of children to be for checking if children-changed
* signal has to be propagated */
naviframe_obj->child_count_last = eail_naviframe_n_children_get(obj);
}
/**
* @brief handler for event which is raised when naviframe page is changed
* ("transition,finished" event)
*
* @param data passed to callback
* @param obj object that raised event
* @param event_info additional event info
*/
void
_eail_naviframe_handle_page_changed_event(void *data,
Evas_Object *obj,
void *event_info)
{
EailNaviframe *naviframe_obj = NULL;
g_return_if_fail(EAIL_IS_NAVIFRAME(data));
gint n_children = 0;
eail_emit_atk_signal
(ATK_OBJECT(data), "visible-data-changed", ATK_TYPE_OBJECT);
naviframe_obj = EAIL_NAVIFRAME(data);
if (!naviframe_obj) return;
_eail_naviframe_emit_signals_changed(ATK_OBJECT(naviframe_obj));
n_children = eail_naviframe_n_children_get(ATK_OBJECT(naviframe_obj));
DBG("N_CHILDREN: %d", n_children);
if (n_children && n_children > naviframe_obj->child_count_last)
{
eail_emit_children_changed(TRUE, ATK_OBJECT(data), n_children - 1);
}
else if(n_children < naviframe_obj->child_count_last)
{
eail_emit_children_changed(FALSE, ATK_OBJECT(data), n_children);
}
naviframe_obj->child_count_last = n_children;
}
/**
* @brief Destructor for naviframe object
*/
static void
eail_naviframe_finalize(GObject *obj)
{
EailNaviframe *naviframe = EAIL_NAVIFRAME(obj);
if (naviframe->click_description)
free(naviframe->click_description);
G_OBJECT_CLASS(eail_naviframe_parent_class)->finalize(obj);
}
/**
* @brief Implementation AtkObject->get_n_children callback
*
* ATK doc says:\n
* Gets the number of accessible children of the accessible.
*
* @param obj an AtkObject
*
* @returns an integer representing the number of accessible children of
* the accessible
*/
static gint
eail_naviframe_n_children_get(AtkObject *obj)
{
EailNaviframe *naviframe;
Evas_Object *widget;
Eina_List *list;
int list_count;
g_return_val_if_fail(EAIL_IS_NAVIFRAME(obj), -1);
naviframe = EAIL_NAVIFRAME(obj);
widget = eail_widget_get_widget(EAIL_WIDGET(naviframe));
list = elm_naviframe_items_get(widget);
list_count = eina_list_count(list);
eina_list_free(list);
return list_count;
}
/**
* @brief click action callback
*
* @param action an AtkAction
* @param data user data
* @return TRUE on success, FALSE otherwise
*/
static gboolean
eail_naviframe_action_click(AtkAction *action, void *data)
{
EailNaviframe *naviframe;
Evas_Object *widget, *target;
Elm_Object_Item *it;
g_return_val_if_fail(EAIL_IS_NAVIFRAME(action), FALSE);
naviframe = EAIL_NAVIFRAME(action);
widget = eail_widget_get_widget(EAIL_WIDGET(naviframe));
it = elm_naviframe_top_item_get(widget);
if (!elm_naviframe_item_title_visible_get(it)) return FALSE;
target = elm_object_item_widget_get(it);
if (!target) return FALSE;
evas_object_smart_callback_call(target, "title,clicked", it);
return TRUE;
}