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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
****************************************************************************/

#ifndef QQMLENGINECONTROLSERVICE_H
#define QQMLENGINECONTROLSERVICE_H

#include <QMutex>
#include <private/qqmldebugserviceinterfaces_p.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.
//

QT_BEGIN_NAMESPACE

class QQmlEngineControlServiceImpl : public QQmlEngineControlService
{
public:
    enum MessageType {
        EngineAboutToBeAdded,
        EngineAdded,
        EngineAboutToBeRemoved,
        EngineRemoved
    };

    enum CommandType {
        StartWaitingEngine,
        StopWaitingEngine
    };

    QQmlEngineControlServiceImpl(QObject *parent = 0);

protected:
    friend class QQmlProfilerServiceFactory;

    QMutex dataMutex;
    QList<QJSEngine *> startingEngines;
    QList<QJSEngine *> stoppingEngines;
    bool blockingMode;

    void messageReceived(const QByteArray &) override;
    void engineAboutToBeAdded(QJSEngine *) override;
    void engineAboutToBeRemoved(QJSEngine *) override;
    void engineAdded(QJSEngine *) override;
    void engineRemoved(QJSEngine *) override;

    void sendMessage(MessageType type, QJSEngine *engine);

    void stateChanged(State) override;
};

QT_END_NAMESPACE

#endif // QQMLENGINECONTROLSERVICE_H