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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QACCESSIBLECACHE_P
#define QACCESSIBLECACHE_P
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/qglobal.h>
#include <QtCore/qobject.h>
#include <QtCore/qhash.h>
#include "qaccessible.h"
#ifndef QT_NO_ACCESSIBILITY
Q_FORWARD_DECLARE_OBJC_CLASS(QT_MANGLE_NAMESPACE(QMacAccessibilityElement));
QT_BEGIN_NAMESPACE
class Q_GUI_EXPORT QAccessibleCache :public QObject
{
Q_OBJECT
public:
static QAccessibleCache *instance();
QAccessibleInterface *interfaceForId(QAccessible::Id id) const;
QAccessible::Id insert(QObject *object, QAccessibleInterface *iface) const;
void deleteInterface(QAccessible::Id id, QObject *obj = 0);
#ifdef Q_OS_MAC
QT_MANGLE_NAMESPACE(QMacAccessibilityElement) *elementForId(QAccessible::Id axid) const;
void insertElement(QAccessible::Id axid, QT_MANGLE_NAMESPACE(QMacAccessibilityElement) *element) const;
#endif
private Q_SLOTS:
void objectDestroyed(QObject *obj);
private:
QAccessible::Id acquireId() const;
mutable QHash<QAccessible::Id, QAccessibleInterface *> idToInterface;
mutable QHash<QObject *, QAccessible::Id> objectToId;
#ifdef Q_OS_MAC
void removeCocoaElement(QAccessible::Id axid);
mutable QHash<QAccessible::Id, QT_MANGLE_NAMESPACE(QMacAccessibilityElement) *> cocoaElements;
#endif
friend class QAccessible;
friend class QAccessibleInterface;
};
QT_END_NAMESPACE
#endif // QT_NO_ACCESSIBILITY
#endif
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