1 /*

     2  * Copyright (C) 2008 Nuanti Ltd.

     3  *

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

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

     6  * License as published by the Free Software Foundation; either

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

     8  *

     9  * This library is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    12  * Library General Public License for more details.

    13  *

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

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

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

    17  * Boston, MA 02110-1301, USA.

    18  */

    19 

    20 #include "config.h"

    21 #include "AXObjectCache.h"

    22 

    23 #include "AccessibilityObject.h"

    24 #include "AccessibilityObjectWrapperAtk.h"

    25 

    26 namespace WebCore {

    27 

    28 void AXObjectCache::detachWrapper(AccessibilityObject* obj)

    29 {

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

    31 }

    32 

    33 void AXObjectCache::attachWrapper(AccessibilityObject* obj)

    34 {

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

    36     obj->setWrapper(atkObj);

    37     g_object_unref(atkObj);

    38 }

    39 

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

    41 {

    42     if (notification == AXCheckedStateChanged) {

    43         if (!coreObject->isCheckboxOrRadio())

    44             return;

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

    46     } else if (notification == AXSelectedChildrenChanged) {

    47         if (!coreObject->isListBox())

    48             return;

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

    50     }

    51 }

    52 

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

    54 {

    55     RefPtr<AccessibilityObject> oldObject = getOrCreate(oldFocusedRender);

    56     if (oldObject) {

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

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

    59     }

    60     RefPtr<AccessibilityObject> newObject = getOrCreate(newFocusedRender);

    61     if (newObject) {

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

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

    64     }

    65 }

    66 

    67 void AXObjectCache::handleScrolledToAnchor(const Node*)

    68 {

    69 }

    70 

    71 } // namespace WebCore