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/*
* Copyright (C) 2011 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Alejandro Piñeiro Iglesias <apinheiro@igalia.com>
*/
/**
* SECTION:unity-sctext-accessible
* @Title: UnitySctextAccessible
* @short_description: Implementation of the ATK interfaces for #StaticCairoText
* @see_also: StaticCairoText
*
* #UnitySctextAccessible implements the required ATK interfaces for
* #StaticCairoText, mainly exposing the text as his name, as this
* #object is mainly used as a label
*
*/
#include <glib/gi18n.h>
#include <pango/pango.h>
#include <pango/pangocairo.h>
#include "unity-sctext-accessible.h"
#include "unitya11y.h"
#include "StaticCairoText.h"
/* GObject */
static void unity_sctext_accessible_class_init(UnitySctextAccessibleClass* klass);
static void unity_sctext_accessible_init(UnitySctextAccessible* self);
/* AtkObject.h */
static void unity_sctext_accessible_initialize(AtkObject* accessible,
gpointer data);
static const gchar* unity_sctext_accessible_get_name(AtkObject* obj);
G_DEFINE_TYPE(UnitySctextAccessible, unity_sctext_accessible, NUX_TYPE_VIEW_ACCESSIBLE);
#define UNITY_SCTEXT_ACCESSIBLE_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), UNITY_TYPE_SCTEXT_ACCESSIBLE, \
UnitySctextAccessiblePrivate))
struct _UnitySctextAccessiblePrivate
{
gchar* stripped_name;
};
static void
unity_sctext_accessible_class_init(UnitySctextAccessibleClass* klass)
{
GObjectClass* gobject_class = G_OBJECT_CLASS(klass);
AtkObjectClass* atk_class = ATK_OBJECT_CLASS(klass);
/* AtkObject */
atk_class->get_name = unity_sctext_accessible_get_name;
atk_class->initialize = unity_sctext_accessible_initialize;
g_type_class_add_private(gobject_class, sizeof(UnitySctextAccessiblePrivate));
}
static void
unity_sctext_accessible_init(UnitySctextAccessible* self)
{
UnitySctextAccessiblePrivate* priv =
UNITY_SCTEXT_ACCESSIBLE_GET_PRIVATE(self);
self->priv = priv;
priv->stripped_name = NULL;
}
AtkObject*
unity_sctext_accessible_new(nux::Object* object)
{
AtkObject* accessible = NULL;
g_return_val_if_fail(dynamic_cast<unity::StaticCairoText*>(object), NULL);
accessible = ATK_OBJECT(g_object_new(UNITY_TYPE_SCTEXT_ACCESSIBLE, NULL));
atk_object_initialize(accessible, object);
return accessible;
}
/* AtkObject.h */
static void
on_label_text_change_cb(unity::StaticCairoText* label, UnitySctextAccessible* self)
{
g_object_notify(G_OBJECT(self), "accessible-name");
}
static void
unity_sctext_accessible_initialize(AtkObject* accessible,
gpointer data)
{
nux::Object* nux_object = NULL;
unity::StaticCairoText* label = NULL;
ATK_OBJECT_CLASS(unity_sctext_accessible_parent_class)->initialize(accessible, data);
atk_object_set_role(accessible, ATK_ROLE_LABEL);
nux_object = nux_object_accessible_get_object(NUX_OBJECT_ACCESSIBLE(accessible));
label = dynamic_cast<unity::StaticCairoText*>(nux_object);
if (label == NULL) /* status defunct */
return;
label->sigTextChanged.connect(sigc::bind(sigc::ptr_fun(on_label_text_change_cb),
UNITY_SCTEXT_ACCESSIBLE(accessible)));
}
static const gchar*
unity_sctext_accessible_get_name(AtkObject* obj)
{
const gchar* name = NULL;
UnitySctextAccessible* self = NULL;
g_return_val_if_fail(UNITY_IS_SCTEXT_ACCESSIBLE(obj), NULL);
self = UNITY_SCTEXT_ACCESSIBLE(obj);
name = ATK_OBJECT_CLASS(unity_sctext_accessible_parent_class)->get_name(obj);
if (name == NULL)
{
unity::StaticCairoText* text = NULL;
if (self->priv->stripped_name != NULL)
{
g_free(self->priv->stripped_name);
self->priv->stripped_name = NULL;
}
text = dynamic_cast<unity::StaticCairoText*>(nux_object_accessible_get_object(NUX_OBJECT_ACCESSIBLE(obj)));
if (text != NULL)
{
name = text->GetText().c_str();
pango_parse_markup(name, -1, 0, NULL,
&self->priv->stripped_name,
NULL, NULL);
name = self->priv->stripped_name;
}
}
return name;
}
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