qt-creator/src/plugins/qmlprofiler/qmlprofilereventview.h

/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
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** contained in the Technology Preview License Agreement accompanying
** this package.
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** GNU Lesser General Public License Usage
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** 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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#ifndef QMLPROFILEREVENTVIEW_H
#define QMLPROFILEREVENTVIEW_H

#include <QTreeView>
#include "qmlprofilereventtypes.h"

namespace QmlProfiler {
namespace Internal {

struct QmlEventData
{
    QmlEventData() : displayname(0) , filename(0) , location(0) , details(0),
        line(0), eventType(MaximumQmlEventType), level(-1), parentList(0), childrenList(0) {}
    ~QmlEventData() {
        delete displayname;
        delete filename;
        delete location;
        delete parentList;
        delete childrenList;
    }
    QString *displayname;
    QString *filename;
    QString *location;
    QString *details;
    int line;
    QmlEventType eventType;
    qint64 level;
    QList< QmlEventData *> *parentList;
    QList< QmlEventData *> *childrenList;
    qint64 duration;
    qint64 calls;
    qint64 minTime;
    qint64 maxTime;
    double timePerCall;
    double percentOfTime;
};


typedef QHash<QString, QmlEventData *> QmlEventHash;
typedef QList<QmlEventData *> QmlEventList;

enum ItemRole {
    LocationRole = Qt::UserRole+1,
    FilenameRole = Qt::UserRole+2,
    LineRole = Qt::UserRole+3
};

class QmlProfilerEventStatistics : public QObject
{
    Q_OBJECT
public:

    explicit QmlProfilerEventStatistics(QObject *parent = 0);
    ~QmlProfilerEventStatistics();

    QmlEventList getEventList();

signals:
    void dataReady();

public slots:
    void clear();
    void addRangedEvent(int type, int nestingLevel, int nestingInType, qint64 startTime, qint64 length,
                        const QStringList &data, const QString &fileName, int line);
    void complete();

private:
    class QmlProfilerEventStatisticsPrivate;
    QmlProfilerEventStatisticsPrivate *d;
};

class QmlProfilerEventsView : public QTreeView
{
    Q_OBJECT
public:
    enum Fields {
        Name,
        Type,
        Percent,
        TotalDuration,
        CallCount,
        TimePerCall,
        MaxTime,
        MinTime,
        Details,
        Parents,
        Children,

        MaxFields
    };

    enum ViewTypes {
        EventsView,
        CallersView,
        CalleesView,

        MaxViewTypes
    };

    explicit QmlProfilerEventsView(QWidget *parent, QmlProfilerEventStatistics *model);
    ~QmlProfilerEventsView();

    void setEventStatisticsModel( QmlProfilerEventStatistics *model );
    void setFieldViewable(Fields field, bool show);
    void setViewType(ViewTypes type);
    void setShowAnonymousEvents( bool showThem );

signals:
    void gotoSourceLocation(const QString &fileName, int lineNumber);

public slots:
    void clear();
    void jumpToItem(const QModelIndex &index);
    void buildModel();

private:
    void setHeaderLabels();

private:
    class QmlProfilerEventsViewPrivate;
    QmlProfilerEventsViewPrivate *d;

};

} // namespace Internal
} // namespace QmlProfiler

#endif // QMLPROFILEREVENTVIEW_H