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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module 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 QSPIACCESSIBLEBRIDGE_H
#define QSPIACCESSIBLEBRIDGE_H

//
//  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 <QtGui/private/qtguiglobal_p.h>
#include <QtDBus/qdbusconnection.h>
#include <qpa/qplatformaccessibility.h>
#include <QtCore/qhash.h>

class DeviceEventControllerAdaptor;

QT_REQUIRE_CONFIG(accessibility);

QT_BEGIN_NAMESPACE

class DBusConnection;
class QSpiDBusCache;
class AtSpiAdaptor;
struct RoleNames;

class Q_GUI_EXPORT QSpiAccessibleBridge: public QObject, public QPlatformAccessibility
{
    Q_OBJECT
public:
    using SpiRoleMapping = QHash <QAccessible::Role, RoleNames>;

    QSpiAccessibleBridge();

    virtual ~QSpiAccessibleBridge();

    void notifyAccessibilityUpdate(QAccessibleEvent *event) override;
    QDBusConnection dBusConnection() const;

    const SpiRoleMapping &spiRoleNames() const { return m_spiRoleMapping; }

    static QSpiAccessibleBridge *instance();
    static RoleNames namesForRole(QAccessible::Role role);

public Q_SLOTS:
    void enabledChanged(bool enabled);

private:
    void initializeConstantMappings();
    void updateStatus();

    QSpiDBusCache *cache;
    DeviceEventControllerAdaptor *dec;
    AtSpiAdaptor *dbusAdaptor;
    DBusConnection* dbusConnection;
    SpiRoleMapping m_spiRoleMapping;
};

QT_END_NAMESPACE

#endif