/*

 * Copyright (C) 2008 Apple Ltd.

 * Copyright (C) 2008 Alp Toker <alp@atoker.com>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library 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

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public License

 * along with this library; see the file COPYING.LIB.  If not, write to

 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 */

#include "config.h"

#include "AccessibilityObject.h"

#include <glib-object.h>

#if HAVE(ACCESSIBILITY)

namespace WebCore {

bool AccessibilityObject::accessibilityIgnoreAttachment() const

{

    return false;

}

AccessibilityObjectInclusion AccessibilityObject::accessibilityPlatformIncludesObject() const

{

    AccessibilityObject* parent = parentObject();

    if (!parent)

        return DefaultBehavior;

    if (roleValue() == SplitterRole)

        return IncludeObject;

    if (isGroup()) {

        // When a list item is made up entirely of children (e.g. paragraphs)

        // the list item gets ignored. We need it.

        if (parent->isList())

            return IncludeObject;

        // We expect the parent of a table cell to be a table.

        AccessibilityObject* child = firstChild();

        if (child && child->roleValue() == CellRole)

            return IgnoreObject;

    }

    // Entries and password fields have extraneous children which we want to ignore.

    if (parent->isPasswordField() || parent->isTextControl())

        return IgnoreObject;

    AccessibilityRole role = roleValue();

    // Include all tables, even layout tables. The AT can decide what to do with each.

    if (role == CellRole || role == TableRole)

        return IncludeObject;

    // We at some point might have a need to expose a table row; but it's not standard Gtk+.

    if (role == RowRole)

        return IgnoreObject;

    // The object containing the text should implement AtkText itself.

    if (role == StaticTextRole)

        return IgnoreObject;

    return DefaultBehavior;

}

AccessibilityObjectWrapper* AccessibilityObject::wrapper() const

{

    return m_wrapper;

}

void AccessibilityObject::setWrapper(AccessibilityObjectWrapper* wrapper)

{

    if (wrapper == m_wrapper)

        return;

    if (m_wrapper)

        g_object_unref(m_wrapper);

    m_wrapper = wrapper;

    if (m_wrapper)

        g_object_ref(m_wrapper);

}

} // namespace WebCore

#endif // HAVE(ACCESSIBILITY)