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/*
* Copyright (C) 2008 Apple Ltd.
* Copyright (C) 2008 Alp Toker <alp@atoker.com>
*
* 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 "AccessibilityObject.h"
#include <glib-object.h>
#if HAVE(ACCESSIBILITY)
namespace WebCore {
bool AccessibilityObject::accessibilityIgnoreAttachment() const
{
return false;
}
AccessibilityObjectInclusion AccessibilityObject::accessibilityPlatformIncludesObject() const
{
AccessibilityObject* parent = parentObject();
if (!parent)
return DefaultBehavior;
if (roleValue() == SplitterRole)
return IncludeObject;
if (isGroup()) {
// When a list item is made up entirely of children (e.g. paragraphs)
// the list item gets ignored. We need it.
if (parent->isList())
return IncludeObject;
// We expect the parent of a table cell to be a table.
AccessibilityObject* child = firstChild();
if (child && child->roleValue() == CellRole)
return IgnoreObject;
}
// Entries and password fields have extraneous children which we want to ignore.
if (parent->isPasswordField() || parent->isTextControl())
return IgnoreObject;
AccessibilityRole role = roleValue();
// Include all tables, even layout tables. The AT can decide what to do with each.
if (role == CellRole || role == TableRole)
return IncludeObject;
// We at some point might have a need to expose a table row; but it's not standard Gtk+.
if (role == RowRole)
return IgnoreObject;
// The object containing the text should implement AtkText itself.
if (role == StaticTextRole)
return IgnoreObject;
// Bullets/numbers for list items shouldn't be exposed as AtkObjects.
if (roleValue() == ListMarkerRole)
return IgnoreObject;
return DefaultBehavior;
}
AccessibilityObjectWrapper* AccessibilityObject::wrapper() const
{
return m_wrapper;
}
void AccessibilityObject::setWrapper(AccessibilityObjectWrapper* wrapper)
{
if (wrapper == m_wrapper)
return;
if (m_wrapper)
g_object_unref(m_wrapper);
m_wrapper = wrapper;
if (m_wrapper)
g_object_ref(m_wrapper);
}
bool AccessibilityObject::allowsTextRanges() const
{
return isTextControl() || isWebArea() || isGroup() || isLink() || isHeading();
}
} // namespace WebCore
#endif // HAVE(ACCESSIBILITY)
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