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+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qiosplatformaccessibility.h"
+#include "quiaccessibilityelement.h"
+
+@implementation QUIView (Accessibility)
+
+- (void)createAccessibleElement:(QAccessibleInterface *)iface
+{
+ if (!iface || iface->state().invisible)
+ return;
+ QAccessible::Id accessibleId = QAccessible::uniqueId(iface);
+ UIAccessibilityElement *elem = [[QMacAccessibilityElement alloc] initWithId: accessibleId withAccessibilityContainer: self];
+ [m_accessibleElements addObject: elem];
+}
+
+- (void)createAccessibleContainer:(QAccessibleInterface *)iface
+{
+ if (!iface)
+ return;
+
+ if (iface->childCount() == 0) {
+ [self createAccessibleElement: iface];
+ } else {
+ for (int i = 0; i < iface->childCount(); ++i)
+ [self createAccessibleContainer: iface->child(i)];
+ }
+}
+
+- (void)initAccessibility
+{
+ static bool init = false;
+ if (!init)
+ QGuiApplicationPrivate::platformIntegration()->accessibility()->setActive(true);
+ init = true;
+
+ if ([m_accessibleElements count])
+ return;
+
+ QWindow *win = m_qioswindow->window();
+ QAccessibleInterface *iface = win->accessibleRoot();
+ if (iface)
+ [self createAccessibleContainer: iface];
+}
+
+- (void)clearAccessibleCache
+{
+ [m_accessibleElements removeAllObjects];
+ UIAccessibilityPostNotification(UIAccessibilityScreenChangedNotification, @"");
+}
+
+// this is a container, returning yes here means the functions below will never be called
+- (BOOL)isAccessibilityElement
+{
+ return NO;
+}
+
+- (NSInteger)accessibilityElementCount
+{
+ [self initAccessibility];
+ return [m_accessibleElements count];
+}
+
+- (id)accessibilityElementAtIndex:(NSInteger)index
+{
+ [self initAccessibility];
+ return m_accessibleElements[index];
+}
+
+- (NSInteger)indexOfAccessibilityElement:(id)element
+{
+ [self initAccessibility];
+ return [m_accessibleElements indexOfObject:element];
+}
+
+@end