~canonical-dx-team/unity/unity.fix-ql-losing-focus

/*

 * 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: Rodrigo Moya <rodrigo.moya@canonical.com>

 */

/**

 * SECTION:unity-panel-view-accessible

 * @Title: UnityPanelViewAccessible

 * @short_description: Implementation of the ATK interfaces for #PanelView

 * @see_also: PanelView

 *

 * #UnityPanelViewAccessible implements the required ATK interfaces for

 * #PanelView, ie: exposing the different items contained in the panel

 * as children.

 *

 */

#include <glib/gi18n-lib.h>

#include <Nux/Nux.h>

#include "PanelView.h"

#include "unity-panel-view-accessible.h"

#include "unitya11y.h"

/* GObject */

static void unity_panel_view_accessible_class_init (UnityPanelViewAccessibleClass *klass);

static void unity_panel_view_accessible_init       (UnityPanelViewAccessible *self);

/* AtkObject */

static void         unity_panel_view_accessible_initialize     (AtkObject *accessible, gpointer data);

static gint         unity_panel_view_accessible_get_n_children (AtkObject *accessible);

static AtkObject   *unity_panel_view_accessible_ref_child      (AtkObject *accessible, gint i);

G_DEFINE_TYPE (UnityPanelViewAccessible, unity_panel_view_accessible,  NUX_TYPE_VIEW_ACCESSIBLE)

static void

unity_panel_view_accessible_class_init (UnityPanelViewAccessibleClass *klass)

{

  AtkObjectClass *atk_class = ATK_OBJECT_CLASS (klass);

  /* AtkObject */

  atk_class->initialize = unity_panel_view_accessible_initialize;

  atk_class->get_n_children = unity_panel_view_accessible_get_n_children;

  atk_class->ref_child = unity_panel_view_accessible_ref_child;

}

static void

unity_panel_view_accessible_init (UnityPanelViewAccessible *self)

{

}

AtkObject *

unity_panel_view_accessible_new (nux::Object *object)

{

  AtkObject *accessible;

  g_return_val_if_fail (dynamic_cast<PanelView *>(object), NULL);

  accessible = ATK_OBJECT (g_object_new (UNITY_TYPE_PANEL_VIEW_ACCESSIBLE, NULL));

  atk_object_initialize (accessible, object);

  return accessible;

}

static void

unity_panel_view_accessible_initialize (AtkObject *accessible, gpointer data)

{

  ATK_OBJECT_CLASS (unity_panel_view_accessible_parent_class)->initialize (accessible, data);

  accessible->role = ATK_ROLE_PANEL;

}

static gint

unity_panel_view_accessible_get_n_children (AtkObject *accessible)

{

  nux::Object *nux_object = NULL;

  PanelView *panel;

  PanelHomeButton *home_button;

  gint rc = 0;

  g_return_val_if_fail (UNITY_IS_PANEL_VIEW_ACCESSIBLE (accessible), 0);

  nux_object = nux_object_accessible_get_object (NUX_OBJECT_ACCESSIBLE (accessible));

  if (!nux_object) /* state is defunct */

    return 0;

  panel = dynamic_cast<PanelView *>(nux_object);

  if ((home_button = panel->HomeButton ()) != NULL)

    rc = 1;

  return rc;

}

static AtkObject *

unity_panel_view_accessible_ref_child (AtkObject *accessible, gint i)

{

  nux::Object *nux_object = NULL;

  PanelView *panel;

  PanelHomeButton *home_button;

  AtkObject *child_accessible = NULL;

  g_return_val_if_fail (UNITY_IS_PANEL_VIEW_ACCESSIBLE (accessible), NULL);

  nux_object = nux_object_accessible_get_object (NUX_OBJECT_ACCESSIBLE (accessible));

  if (!nux_object) /* state is defunct */

    return NULL;

  panel = dynamic_cast<PanelView *>(nux_object);

  if ((home_button = panel->HomeButton ()) != NULL)

    {

      nux::Object *child = NULL;

      child = dynamic_cast<nux::Object *>(home_button);

      child_accessible = unity_a11y_get_accessible (child);

      if (child_accessible != NULL)

        g_object_ref (child_accessible);

    }

  return child_accessible;

}