diff options
Diffstat (limited to 'src/declarative/debugger/qdeclarativedebugtrace.cpp')
-rw-r--r-- | src/declarative/debugger/qdeclarativedebugtrace.cpp | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/src/declarative/debugger/qdeclarativedebugtrace.cpp b/src/declarative/debugger/qdeclarativedebugtrace.cpp new file mode 100644 index 0000000000..6f28736f52 --- /dev/null +++ b/src/declarative/debugger/qdeclarativedebugtrace.cpp @@ -0,0 +1,218 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qdeclarativedebugtrace_p.h" + +#include <QtCore/qdatastream.h> +#include <QtCore/qurl.h> +#include <QtCore/qtimer.h> + +Q_GLOBAL_STATIC(QDeclarativeDebugTrace, traceInstance); + +// convert to a QByteArray that can be sent to the debug client +// use of QDataStream can skew results if m_deferredSend == false +// (see tst_qperformancetimer::trace() benchmark) +QByteArray QDeclarativeDebugData::toByteArray() const +{ + QByteArray data; + //### using QDataStream is relatively expensive + QDataStream ds(&data, QIODevice::WriteOnly); + ds << time << messageType << detailType; + if (messageType == (int)QDeclarativeDebugTrace::RangeData) + ds << detailData; + if (messageType == (int)QDeclarativeDebugTrace::RangeLocation) + ds << detailData << line; + return data; +} + +QDeclarativeDebugTrace::QDeclarativeDebugTrace() +: QDeclarativeDebugService(QLatin1String("CanvasFrameRate")), + m_enabled(false), m_deferredSend(true) +{ + 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 QString &data) +{ + if (QDeclarativeDebugService::isDebuggingEnabled()) + traceInstance()->rangeDataImpl(t, data); +} + +void QDeclarativeDebugTrace::rangeData(RangeType t, const QUrl &data) +{ + if (QDeclarativeDebugService::isDebuggingEnabled()) + traceInstance()->rangeDataImpl(t, data); +} + +void QDeclarativeDebugTrace::rangeLocation(RangeType t, const QString &fileName, int line) +{ + if (QDeclarativeDebugService::isDebuggingEnabled()) + traceInstance()->rangeLocationImpl(t, fileName, line); +} + +void QDeclarativeDebugTrace::rangeLocation(RangeType t, const QUrl &fileName, int line) +{ + if (QDeclarativeDebugService::isDebuggingEnabled()) + traceInstance()->rangeLocationImpl(t, fileName, line); +} + +void QDeclarativeDebugTrace::endRange(RangeType t) +{ + if (QDeclarativeDebugService::isDebuggingEnabled()) + traceInstance()->endRangeImpl(t); +} + +void QDeclarativeDebugTrace::addEventImpl(EventType event) +{ + if (status() != Enabled || !m_enabled) + return; + + QDeclarativeDebugData ed = {m_timer.elapsed(), (int)Event, (int)event, QString(), -1}; + processMessage(ed); +} + +void QDeclarativeDebugTrace::startRangeImpl(RangeType range) +{ + if (status() != Enabled || !m_enabled) + return; + + QDeclarativeDebugData rd = {m_timer.elapsed(), (int)RangeStart, (int)range, QString(), -1}; + processMessage(rd); +} + +void QDeclarativeDebugTrace::rangeDataImpl(RangeType range, const QString &rData) +{ + if (status() != Enabled || !m_enabled) + return; + + QDeclarativeDebugData rd = {m_timer.elapsed(), (int)RangeData, (int)range, rData, -1}; + processMessage(rd); +} + +void QDeclarativeDebugTrace::rangeDataImpl(RangeType range, const QUrl &rData) +{ + if (status() != Enabled || !m_enabled) + return; + + QDeclarativeDebugData rd = {m_timer.elapsed(), (int)RangeData, (int)range, rData.toString(QUrl::FormattingOption(0x100)), -1}; + processMessage(rd); +} + +void QDeclarativeDebugTrace::rangeLocationImpl(RangeType range, const QString &fileName, int line) +{ + if (status() != Enabled || !m_enabled) + return; + + QDeclarativeDebugData rd = {m_timer.elapsed(), (int)RangeLocation, (int)range, fileName, line}; + processMessage(rd); +} + +void QDeclarativeDebugTrace::rangeLocationImpl(RangeType range, const QUrl &fileName, int line) +{ + if (status() != Enabled || !m_enabled) + return; + + QDeclarativeDebugData rd = {m_timer.elapsed(), (int)RangeLocation, (int)range, fileName.toString(QUrl::FormattingOption(0x100)), line}; + processMessage(rd); +} + +void QDeclarativeDebugTrace::endRangeImpl(RangeType range) +{ + if (status() != Enabled || !m_enabled) + return; + + QDeclarativeDebugData rd = {m_timer.elapsed(), (int)RangeEnd, (int)range, QString(), -1}; + processMessage(rd); +} + +/* + Either send the message directly, or queue up + a list of messages to send later (via sendMessages) +*/ +void QDeclarativeDebugTrace::processMessage(const QDeclarativeDebugData &message) +{ + if (m_deferredSend) + m_data.append(message); + else + sendMessage(message.toByteArray()); +} + +/* + Send the messages queued up by processMessage +*/ +void QDeclarativeDebugTrace::sendMessages() +{ + if (m_deferredSend) { + //### this is a suboptimal way to send batched messages + for (int i = 0; i < m_data.count(); ++i) + sendMessage(m_data.at(i).toByteArray()); + m_data.clear(); + + //indicate completion + QByteArray data; + QDataStream ds(&data, QIODevice::WriteOnly); + ds << (qint64)-1 << (int)Complete; + sendMessage(data); + } +} + +void QDeclarativeDebugTrace::messageReceived(const QByteArray &message) +{ + QByteArray rwData = message; + QDataStream stream(&rwData, QIODevice::ReadOnly); + + stream >> m_enabled; + + if (!m_enabled) + sendMessages(); +} |