/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

#ifndef QV8PROFILERDATAMODEL_H
#define QV8PROFILERDATAMODEL_H

#include <QObject>
#include <QHash>

#include <QXmlStreamReader>
#include <QXmlStreamWriter>

namespace QmlProfiler {
namespace Internal {

class QmlProfilerDataModel;
struct QV8EventSub;

struct QV8EventData
{
    QV8EventData();
    ~QV8EventData();

    QString displayName;
    QString eventHashStr;
    QString filename;
    QString functionName;
    int line;
    double totalTime; // given in milliseconds
    double totalPercent;
    double selfTime;
    double selfPercent;
    QHash <QString, QV8EventSub *> parentHash;
    QHash <QString, QV8EventSub *> childrenHash;
    int eventId;

    QV8EventData &operator=(const QV8EventData &ref);
};

struct QV8EventSub {
    QV8EventSub(QV8EventData *from) : reference(from), totalTime(0) {}
    QV8EventSub(QV8EventSub *from) : reference(from->reference), totalTime(from->totalTime) {}

    QV8EventData *reference;
    qint64 totalTime;
};

class QV8ProfilerDataModel : public QObject
{
    Q_OBJECT
public:
    explicit QV8ProfilerDataModel(QObject *parent, QmlProfilerDataModel *profilerDataModel);
    ~QV8ProfilerDataModel();

    void clear();
    bool isEmpty() const;
    QList<QV8EventData *> getV8Events() const;
    QV8EventData *v8EventDescription(int eventId) const;

    qint64 v8MeasuredTime() const;
    void collectV8Statistics();

    void save(QXmlStreamWriter &stream);
    void load(QXmlStreamReader &stream);

public slots:
    void addV8Event(int depth,
                    const QString &function,
                    const QString &filename,
                    int lineNumber,
                    double totalTime,
                    double selfTime);

private:
    class QV8ProfilerDataModelPrivate;
    QV8ProfilerDataModelPrivate *d;
};

} // namespace Internal
} // namespace QmlProfiler

#endif // QV8PROFILERDATAMODEL_H
