/*

 * Copyright (C) 2008 Nuanti Ltd.

 *

 * 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 "AXObjectCache.h"

#include "AccessibilityObject.h"

#include "AccessibilityObjectWrapperAtk.h"

namespace WebCore {

void AXObjectCache::detachWrapper(AccessibilityObject* obj)

{

    webkit_accessible_detach(WEBKIT_ACCESSIBLE(obj->wrapper()));

}

void AXObjectCache::attachWrapper(AccessibilityObject* obj)

{

    AtkObject* atkObj = ATK_OBJECT(webkit_accessible_new(obj));

    obj->setWrapper(atkObj);

    g_object_unref(atkObj);

}

void AXObjectCache::postPlatformNotification(AccessibilityObject* coreObject, AXNotification notification)

{

    if (notification == AXCheckedStateChanged) {

        if (!coreObject->isCheckboxOrRadio())

            return;

        g_signal_emit_by_name(coreObject->wrapper(), "state-change", "checked", coreObject->isChecked());

    } else if (notification == AXSelectedChildrenChanged) {

        if (!coreObject->isListBox())

            return;

        g_signal_emit_by_name(coreObject->wrapper(), "selection-changed");

    }

}

void AXObjectCache::handleFocusedUIElementChanged(RenderObject* oldFocusedRender, RenderObject* newFocusedRender)

{

    RefPtr<AccessibilityObject> oldObject = getOrCreate(oldFocusedRender);

    if (oldObject) {

        g_signal_emit_by_name(oldObject->wrapper(), "focus-event", false);

        g_signal_emit_by_name(oldObject->wrapper(), "state-change", "focused", false);

    }

    RefPtr<AccessibilityObject> newObject = getOrCreate(newFocusedRender);

    if (newObject) {

        g_signal_emit_by_name(newObject->wrapper(), "focus-event", true);

        g_signal_emit_by_name(newObject->wrapper(), "state-change", "focused", true);

    }

}

void AXObjectCache::handleScrolledToAnchor(const Node*)

{

}

} // namespace WebCore