/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtDeclarative 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/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 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
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**
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** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QJSDEBUGSERVICE_P_H
#define QJSDEBUGSERVICE_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.
//

#include <QtCore/QPointer>
#include <QElapsedTimer>

#include "private/qdeclarativedebugservice_p.h"

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)

class QDeclarativeEngine;
class QJSDebuggerAgent;

struct JSAgentCoverageData
{
    QByteArray prefix;
    qint64 time;
    int messageType;

    qint64 scriptId;
    QString program;
    QString fileName;
    int baseLineNumber;
    int lineNumber;
    int columnNumber;
    QString returnValue;

    QByteArray toByteArray() const;
};

class QJSDebugService : public QDeclarativeDebugService
{
    Q_OBJECT

public:
    QJSDebugService(QObject *parent = 0);
    ~QJSDebugService();

    static QJSDebugService *instance();

    void addEngine(QDeclarativeEngine *);
    void removeEngine(QDeclarativeEngine *);
    void processMessage(const JSAgentCoverageData &message);

    QElapsedTimer m_timer;

protected:
    void statusChanged(Status status);
    void messageReceived(const QByteArray &);

private Q_SLOTS:
    void executionStopped(bool becauseOfException,
                          const QString &exception);

private:
    void sendMessages();
    QList<QDeclarativeEngine *> m_engines;
    QPointer<QJSDebuggerAgent> m_agent;
    bool m_deferredSend;
    QList<JSAgentCoverageData> m_data;
};

QT_END_NAMESPACE

#endif // QJSDEBUGSERVICE_P_H