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

/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
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** License version 2.1 as published by the Free Software Foundation and
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** Public License version 2.1 requirements will be met:
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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#ifndef QMLPROFILEREVENTVIEW_H
#define QMLPROFILEREVENTVIEW_H

#include <QTreeView>
#include <QStandardItemModel>
#include <qmldebug/qmlprofilereventtypes.h>
#include "qmlprofilerdatamodel.h"

#include <analyzerbase/ianalyzertool.h>

#include "qmlprofilerviewmanager.h"

namespace QmlProfiler {
namespace Internal {

class QmlProfilerEventsMainView;
class QmlProfilerEventsParentsAndChildrenView;

enum ItemRole {
    EventHashStrRole = Qt::UserRole+1,
    FilenameRole = Qt::UserRole+2,
    LineRole = Qt::UserRole+3,
    ColumnRole = Qt::UserRole+4,
    EventIdRole = Qt::UserRole+5
};

class QmlProfilerEventsWidget : public QWidget
{
    Q_OBJECT
public:
    explicit QmlProfilerEventsWidget(QWidget *parent,
                                     Analyzer::IAnalyzerTool *profilerTool,
                                     QmlProfilerViewManager *container,
                                     QmlProfilerDataModel *profilerDataModel );
    ~QmlProfilerEventsWidget();

    void switchToV8View();
    void clear();

    void getStatisticsInRange(qint64 rangeStart, qint64 rangeEnd);
    QModelIndex selectedItem() const;
    bool mouseOnTable(const QPoint &position) const;
    void copyTableToClipboard() const;
    void copyRowToClipboard() const;

    bool hasGlobalStats() const;
    void setShowExtendedStatistics(bool show);
    bool showExtendedStatistics() const;

    bool isQml() const;
    bool isV8() const;

signals:
    void gotoSourceLocation(const QString &fileName, int lineNumber, int columnNumber);
    void showEventInTimeline(int eventId);
    void resized();

public slots:
    void updateSelectedEvent(int eventId) const;
    void selectBySourceLocation(const QString &filename, int line, int column);

private slots:
    void profilerDataModelStateChanged();

protected:
    void contextMenuEvent(QContextMenuEvent *ev);
    virtual void resizeEvent(QResizeEvent *event);

private:
    class QmlProfilerEventsWidgetPrivate;
    QmlProfilerEventsWidgetPrivate *d;
};

class QmlProfilerEventsMainView : public QTreeView
{
    Q_OBJECT
public:
    enum Fields {
        Name,
        Type,
        Percent,
        TotalDuration,
        SelfPercent,
        SelfDuration,
        CallCount,
        TimePerCall,
        MaxTime,
        MinTime,
        MedianTime,
        Details,

        MaxFields
    };

    enum ViewTypes {
        EventsView,
        CallersView,
        CalleesView,
        V8ProfileView,

        MaxViewTypes
    };

    explicit QmlProfilerEventsMainView(ViewTypes viewType,
                                       QWidget *parent,
                                       QmlProfilerDataModel *dataModel);
    ~QmlProfilerEventsMainView();

    void setFieldViewable(Fields field, bool show);
    void setViewType(ViewTypes type);
    ViewTypes viewType() const;
    void setShowAnonymousEvents( bool showThem );

    QModelIndex selectedItem() const;
    void copyTableToClipboard() const;
    void copyRowToClipboard() const;

    static QString displayTime(double time);
    static QString nameForType(int typeNumber);

    void getStatisticsInRange(qint64 rangeStart, qint64 rangeEnd);
    bool isRangeGlobal(qint64 rangeStart, qint64 rangeEnd) const;
    int selectedEventId() const;

    void setShowExtendedStatistics(bool);
    bool showExtendedStatistics() const;

signals:
    void gotoSourceLocation(const QString &fileName, int lineNumber, int columnNumber);
    void eventSelected(int eventId);
    void showEventInTimeline(int eventId);

public slots:
    void clear();
    void jumpToItem(const QModelIndex &index);
    void selectEvent(int eventId);
    void selectEventByLocation(const QString &filename, int line);
    void buildModel();
    void changeDetailsForEvent(int eventId, const QString &newString);

private slots:
    void profilerDataModelStateChanged();

private:
    void setHeaderLabels();

private:
    class QmlProfilerEventsMainViewPrivate;
    QmlProfilerEventsMainViewPrivate *d;

};

class QmlProfilerEventsParentsAndChildrenView : public QTreeView
{
    Q_OBJECT
public:
    enum SubViewType {
        ParentsView,
        ChildrenView,
        V8ParentsView,
        V8ChildrenView,
        MaxSubtableTypes
    };

    explicit QmlProfilerEventsParentsAndChildrenView(SubViewType subtableType,
                                                     QWidget *parent,
                                                     QmlProfilerDataModel *model);
    ~QmlProfilerEventsParentsAndChildrenView();

    void setViewType(SubViewType type);

signals:
    void eventClicked(int eventId);

public slots:
    void displayEvent(int eventId);
    void jumpToItem(const QModelIndex &);
    void clear();

private:
    void rebuildTree(void *profilerDataModel);
    void updateHeader();
    QStandardItemModel *treeModel();
    QmlProfilerDataModel *m_profilerDataModel;

    SubViewType m_subtableType;
};

} // namespace Internal
} // namespace QmlProfiler

#endif // QMLPROFILEREVENTVIEW_H