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     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtDeclarative module of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

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    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

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    36 **

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    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include "qdeclarativedebugtrace_p.h"

    43 

    44 #include <QtCore/qdatastream.h>

    45 #include <QtCore/qurl.h>

    46 

    47 Q_GLOBAL_STATIC(QDeclarativeDebugTrace, traceInstance);

    48 

    49 QDeclarativeDebugTrace::QDeclarativeDebugTrace()

    50 : QDeclarativeDebugService(QLatin1String("CanvasFrameRate"))

    51 {

    52     m_timer.start();

    53 }

    54 

    55 void QDeclarativeDebugTrace::addEvent(EventType t)

    56 {

    57     if (QDeclarativeDebugService::isDebuggingEnabled()) 

    58         traceInstance()->addEventImpl(t);

    59 }

    60 

    61 void QDeclarativeDebugTrace::startRange(RangeType t)

    62 {

    63     if (QDeclarativeDebugService::isDebuggingEnabled()) 

    64         traceInstance()->startRangeImpl(t);

    65 }

    66 

    67 void QDeclarativeDebugTrace::rangeData(RangeType t, const QUrl &url)

    68 {

    69     if (QDeclarativeDebugService::isDebuggingEnabled()) 

    70         traceInstance()->rangeDataImpl(t, url);

    71 }

    72 

    73 void QDeclarativeDebugTrace::endRange(RangeType t)

    74 {

    75     if (QDeclarativeDebugService::isDebuggingEnabled()) 

    76         traceInstance()->endRangeImpl(t);

    77 }

    78 

    79 void QDeclarativeDebugTrace::addEventImpl(EventType event)

    80 {

    81     if (!isEnabled())

    82         return;

    83 

    84     QByteArray data;

    85     QDataStream ds(&data, QIODevice::WriteOnly);

    86     ds << m_timer.elapsed() << (int)Event << (int)event;

    87     sendMessage(data);

    88 }

    89 

    90 void QDeclarativeDebugTrace::startRangeImpl(RangeType range)

    91 {

    92     if (!isEnabled())

    93         return;

    94 

    95     QByteArray data;

    96     QDataStream ds(&data, QIODevice::WriteOnly);

    97     ds << m_timer.elapsed() << (int)RangeStart << (int)range;

    98     sendMessage(data);

    99 }

   100 

   101 void QDeclarativeDebugTrace::rangeDataImpl(RangeType range, const QUrl &u)

   102 {

   103     if (!isEnabled())

   104         return;

   105 

   106     QByteArray data;

   107     QDataStream ds(&data, QIODevice::WriteOnly);

   108     ds << m_timer.elapsed() << (int)RangeData << (int)range << (QString)u.toString();

   109     sendMessage(data);

   110 }

   111 

   112 void QDeclarativeDebugTrace::endRangeImpl(RangeType range)

   113 {

   114     if (!isEnabled())

   115         return;

   116 

   117     QByteArray data;

   118     QDataStream ds(&data, QIODevice::WriteOnly);

   119     ds << m_timer.elapsed() << (int)RangeEnd << (int)range;

   120     sendMessage(data);

   121 }

   122