/*

 * Copyright (C) 2009 Igalia S.L.

 *

 * 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 "SelectionController.h"

#include "AccessibilityObjectWrapperAtk.h"

#include "AXObjectCache.h"

#include "Frame.h"

#include <gtk/gtk.h>

namespace WebCore {

void SelectionController::notifyAccessibilityForSelectionChange()

{

    if (AXObjectCache::accessibilityEnabled() && m_selection.start().isNotNull() && m_selection.end().isNotNull()) {

        RenderObject* focusedNode = m_selection.end().node()->renderer();

        AccessibilityObject* accessibilityObject = m_frame->document()->axObjectCache()->getOrCreate(focusedNode);

        // need to check this as getOrCreate could return 0

        if (!accessibilityObject)

            return;

        int offset;

        // Always report the events w.r.t. the non-linked unignored parent. (i.e. ignoreLinks == true)

        AccessibilityObject* object = objectAndOffsetUnignored(accessibilityObject, offset, true);

        AtkObject* wrapper = object->wrapper();

        if (ATK_IS_TEXT(wrapper)) {

            g_signal_emit_by_name(wrapper, "text-caret-moved", offset);

            if (m_selection.isRange())

                g_signal_emit_by_name(wrapper, "text-selection-changed");

        }

    }

}

} // namespace WebCore