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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWINDOWSUIAPROVIDERCACHE_H
#define QWINDOWSUIAPROVIDERCACHE_H
#include <QtCore/QtConfig>
#ifndef QT_NO_ACCESSIBILITY
#include "qwindowsuiabaseprovider.h"
#include <QtCore/QHash>
#include <QtGui/QAccessible>
#include <QtGui/QAccessibleInterface>
QT_BEGIN_NAMESPACE
// Singleton used to cache provider instances using the accessibility ID as the key.
class QWindowsUiaProviderCache : public QObject
{
QWindowsUiaProviderCache();
Q_OBJECT
public:
static QWindowsUiaProviderCache *instance();
QWindowsUiaBaseProvider *providerForId(QAccessible::Id id) const;
void insert(QAccessible::Id id, QWindowsUiaBaseProvider *provider);
void remove(QAccessible::Id id);
private Q_SLOTS:
void objectDestroyed(QObject *obj);
private:
QHash<QAccessible::Id, QWindowsUiaBaseProvider *> providerTable;
QHash<QObject *, QAccessible::Id> inverseTable;
};
QT_END_NAMESPACE
#endif // QT_NO_ACCESSIBILITY
#endif // QWINDOWSUIAPROVIDERCACHE_H
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