febe398400
Based on code imported from master branch of QtMobility repo, ported to Qt Quick 2. Task-number: QTBUG-23118 Change-Id: Ifd297de0e595c675ff1a8e3218d91b03629295b9 Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com> Reviewed-by: Michael Goddard <michael.goddard@nokia.com>
96 lines
2.9 KiB
C++
96 lines
2.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef TRACE_H
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#define TRACE_H
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#include <QtCore/QDebug>
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#define ENABLE_TRACE
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//#define VERBOSE_TRACE
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namespace Trace {
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class NullDebug
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{
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public:
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template <typename T>
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NullDebug& operator<<(const T&) { return *this; }
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};
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inline NullDebug nullDebug() { return NullDebug(); }
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template <typename T>
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struct PtrWrapper
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{
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PtrWrapper(const T *ptr) : m_ptr(ptr) { }
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const T *const m_ptr;
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};
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} // namespace Trace
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template <typename T>
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inline QDebug& operator<<(QDebug &debug, const Trace::PtrWrapper<T> &wrapper)
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{
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debug.nospace() << "[" << (void*)wrapper.m_ptr << "]";
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return debug.space();
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}
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template<typename T>
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inline const void *qtVoidPtr(const T *ptr)
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{ return static_cast<const void *>(ptr); }
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#define qtThisPtr() qtVoidPtr(this)
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#ifdef ENABLE_TRACE
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inline QDebug qtTrace() { return qDebug() << "[qmlvideo]"; }
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# ifdef VERBOSE_TRACE
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inline QDebug qtVerboseTrace() { return qtTrace(); }
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# else
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inline Trace::NullDebug qtVerboseTrace() { return Trace::nullDebug(); }
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# endif
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#else
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inline Trace::NullDebug qtTrace() { return Trace::nullDebug(); }
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inline Trace::NullDebug qtVerboseTrace() { return Trace::nullDebug(); }
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#endif
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#endif // TRACE_H
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