source: trunk/src/declarative/debugger/qdeclarativedebugtrace.cpp@ 1023

/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([email protected])
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** This file is part of the QtDeclarative module of the Qt Toolkit.
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
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** packaging of this file.  Please review the following information to
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#include "qdeclarativedebugtrace_p.h"

#include <QtCore/qdatastream.h>
#include <QtCore/qurl.h>

Q_GLOBAL_STATIC(QDeclarativeDebugTrace, traceInstance);

QDeclarativeDebugTrace::QDeclarativeDebugTrace()
: QDeclarativeDebugService(QLatin1String("CanvasFrameRate"))
{
    m_timer.start();
}

void QDeclarativeDebugTrace::addEvent(EventType t)
{
    if (QDeclarativeDebugService::isDebuggingEnabled()) 
        traceInstance()->addEventImpl(t);
}

void QDeclarativeDebugTrace::startRange(RangeType t)
{
    if (QDeclarativeDebugService::isDebuggingEnabled()) 
        traceInstance()->startRangeImpl(t);
}

void QDeclarativeDebugTrace::rangeData(RangeType t, const QUrl &url)
{
    if (QDeclarativeDebugService::isDebuggingEnabled()) 
        traceInstance()->rangeDataImpl(t, url);
}

void QDeclarativeDebugTrace::endRange(RangeType t)
{
    if (QDeclarativeDebugService::isDebuggingEnabled()) 
        traceInstance()->endRangeImpl(t);
}

void QDeclarativeDebugTrace::addEventImpl(EventType event)
{
    if (status() != Enabled)
        return;

    QByteArray data;
    QDataStream ds(&data, QIODevice::WriteOnly);
    ds << m_timer.elapsed() << (int)Event << (int)event;
    sendMessage(data);
}

void QDeclarativeDebugTrace::startRangeImpl(RangeType range)
{
    if (status() != Enabled)
        return;

    QByteArray data;
    QDataStream ds(&data, QIODevice::WriteOnly);
    ds << m_timer.elapsed() << (int)RangeStart << (int)range;
    sendMessage(data);
}

void QDeclarativeDebugTrace::rangeDataImpl(RangeType range, const QUrl &u)
{
    if (status() != Enabled)
        return;

    QByteArray data;
    QDataStream ds(&data, QIODevice::WriteOnly);
    ds << m_timer.elapsed() << (int)RangeData << (int)range << (QString)u.toString();
    sendMessage(data);
}

void QDeclarativeDebugTrace::endRangeImpl(RangeType range)
{
    if (status() != Enabled)
        return;

    QByteArray data;
    QDataStream ds(&data, QIODevice::WriteOnly);
    ds << m_timer.elapsed() << (int)RangeEnd << (int)range;
    sendMessage(data);
}