2 * Copyright (C) 2008 Nuanti Ltd.
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.
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.
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.
21 #include "AXObjectCache.h"
23 #include "AccessibilityObject.h"
24 #include "AccessibilityObjectWrapperAtk.h"
25 #include "AccessibilityRenderObject.h"
28 #include "TextIterator.h"
32 void AXObjectCache::detachWrapper(AccessibilityObject* obj)
34 webkit_accessible_detach(WEBKIT_ACCESSIBLE(obj->wrapper()));
37 void AXObjectCache::attachWrapper(AccessibilityObject* obj)
39 AtkObject* atkObj = ATK_OBJECT(webkit_accessible_new(obj));
40 obj->setWrapper(atkObj);
41 g_object_unref(atkObj);
44 void AXObjectCache::postPlatformNotification(AccessibilityObject* coreObject, AXNotification notification)
46 if (notification == AXCheckedStateChanged) {
47 if (!coreObject->isCheckboxOrRadio())
49 g_signal_emit_by_name(coreObject->wrapper(), "state-change", "checked", coreObject->isChecked());
50 } else if (notification == AXSelectedChildrenChanged) {
51 if (!coreObject->isListBox())
53 g_signal_emit_by_name(coreObject->wrapper(), "selection-changed");
57 static void emitTextChanged(AccessibilityRenderObject* object, AXObjectCache::AXTextChange textChange, unsigned offset, unsigned count)
59 // Get the axObject for the parent object
60 AtkObject* wrapper = object->parentObjectUnignored()->wrapper();
61 if (!wrapper || !ATK_IS_TEXT(wrapper))
64 // Select the right signal to be emitted
67 case AXObjectCache::AXTextInserted:
68 detail = "text-changed::insert";
70 case AXObjectCache::AXTextDeleted:
71 detail = "text-changed::delete";
76 g_signal_emit_by_name(wrapper, detail.data(), offset, count);
79 void AXObjectCache::nodeTextChangePlatformNotification(AccessibilityObject* object, AXTextChange textChange, unsigned offset, unsigned count)
82 if (count < 1 || !object || !object->isAccessibilityRenderObject())
85 Node* node = object->node();
86 RefPtr<Range> range = Range::create(node->document(), Position(node->parentNode(), 0), Position(node, 0));
87 emitTextChanged(toAccessibilityRenderObject(object), textChange, offset + TextIterator::rangeLength(range.get()), count);
90 void AXObjectCache::handleFocusedUIElementChanged(RenderObject* oldFocusedRender, RenderObject* newFocusedRender)
92 RefPtr<AccessibilityObject> oldObject = getOrCreate(oldFocusedRender);
94 g_signal_emit_by_name(oldObject->wrapper(), "focus-event", false);
95 g_signal_emit_by_name(oldObject->wrapper(), "state-change", "focused", false);
97 RefPtr<AccessibilityObject> newObject = getOrCreate(newFocusedRender);
99 g_signal_emit_by_name(newObject->wrapper(), "focus-event", true);
100 g_signal_emit_by_name(newObject->wrapper(), "state-change", "focused", true);
104 void AXObjectCache::handleScrolledToAnchor(const Node*)
108 } // namespace WebCore