/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the QtTest module of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** 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, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef QTESTACCESSIBLE_H

#define QTESTACCESSIBLE_H

#if 0

// inform syncqt

#pragma qt_no_master_include

#endif

#ifndef QT_NO_ACCESSIBILITY

#define QTEST_ACCESSIBILITY

#define QVERIFY_EVENT(object, child, event) \

    QVERIFY(QTestAccessibility::verifyEvent(object, child, (int)event))

#include <QtCore/qlist.h>

#include <QtGui/qaccessible.h>

#include <QtGui/qapplication.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Test)

class QObject;

struct QTestAccessibilityEvent

{

    QTestAccessibilityEvent(QObject* o = 0, int c = 0, int e = 0)

        : object(o), child(c), event(e) {}

    bool operator==(const QTestAccessibilityEvent &o) const

    {

        return o.object == object && o.child == child && o.event == event;

    }

    QObject* object;

    int child;

    int event;

};

typedef QList<QTestAccessibilityEvent> EventList;

class QTestAccessibility

{

public:

    static void initialize()

    {

        if (!instance()) {

            instance() = new QTestAccessibility;

            qAddPostRoutine(cleanup);

        }

    }

    static void cleanup()

    {

        delete instance();

        instance() = 0;

    }

    static void clearEvents() { eventList().clear(); }

    static EventList events() { return eventList(); }

    static bool verifyEvent(const QTestAccessibilityEvent& ev)

    {

        if (eventList().isEmpty())

            return FALSE;

        return eventList().takeFirst() == ev;

    }

    static bool verifyEvent(QObject *o, int c, int e)

    {

        return verifyEvent(QTestAccessibilityEvent(o, c, e));

    }

private:

    QTestAccessibility()

    {

        QAccessible::installUpdateHandler(updateHandler);

        QAccessible::installRootObjectHandler(rootObjectHandler);

    }

    ~QTestAccessibility()

    {

        QAccessible::installUpdateHandler(0);

        QAccessible::installRootObjectHandler(0);

    }

    static void rootObjectHandler(QObject *object)

    {

        //    qDebug("rootObjectHandler called %p", object);

        if (object) {

            QApplication* app = qobject_cast<QApplication*>(object);

            if ( !app )

                qWarning("QTEST_ACCESSIBILITY: root Object is not a QApplication!");

        } else {

            qWarning("QTEST_ACCESSIBILITY: root Object called with 0 pointer");

        }

    }

    static void updateHandler(QObject *o, int c, QAccessible::Event e)

    {

        //    qDebug("updateHandler called: %p %d %d", o, c, (int)e);

        eventList().append(QTestAccessibilityEvent(o, c, (int)e));

    }

    static EventList &eventList()

    {

        static EventList list;

        return list;

    }

    static QTestAccessibility *&instance()

    {

        static QTestAccessibility *ta = 0;

        return ta;

    }

};

#endif

QT_END_NAMESPACE

QT_END_HEADER

#endif