/platform/external/webkit/WebCore/accessibility/gtk/AXObjectCacheAtk.cpp

 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
26namespace WebCore {
27
28void AXObjectCache::detachWrapper(AccessibilityObject* obj)
29{
30    webkit_accessible_detach(WEBKIT_ACCESSIBLE(obj->wrapper()));
31}
32
33void 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
40void 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
53void 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
67void AXObjectCache::handleScrolledToAnchor(const Node*)
68{
69}
70
71} // namespace WebCore