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Diffstat (limited to 'src/declarative/qml/ftw/qdeclarativerefcount_p.h')
-rw-r--r-- | src/declarative/qml/ftw/qdeclarativerefcount_p.h | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/src/declarative/qml/ftw/qdeclarativerefcount_p.h b/src/declarative/qml/ftw/qdeclarativerefcount_p.h deleted file mode 100644 index 05aede4534..0000000000 --- a/src/declarative/qml/ftw/qdeclarativerefcount_p.h +++ /dev/null @@ -1,192 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** 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. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QDECLARATIVEREFCOUNT_P_H -#define QDECLARATIVEREFCOUNT_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include <QtCore/qglobal.h> -#include <QtCore/qatomic.h> - -QT_BEGIN_HEADER - -QT_BEGIN_NAMESPACE - - -class QDeclarativeRefCount -{ -public: - inline QDeclarativeRefCount(); - inline virtual ~QDeclarativeRefCount(); - inline void addref(); - inline void release(); - -protected: - inline virtual void destroy(); - -private: - QAtomicInt refCount; -}; - -template<class T> -class QDeclarativeRefPointer -{ -public: - inline QDeclarativeRefPointer(); - inline QDeclarativeRefPointer(T *); - inline QDeclarativeRefPointer(const QDeclarativeRefPointer<T> &); - inline ~QDeclarativeRefPointer(); - - inline QDeclarativeRefPointer<T> &operator=(const QDeclarativeRefPointer<T> &o); - inline QDeclarativeRefPointer<T> &operator=(T *); - - inline bool isNull() const { return !o; } - - inline T* operator->() const { return o; } - inline T& operator*() const { return *o; } - inline operator T*() const { return o; } - inline T* data() const { return o; } - - inline QDeclarativeRefPointer<T> &take(T *); - -private: - T *o; -}; - -QDeclarativeRefCount::QDeclarativeRefCount() -: refCount(1) -{ -} - -QDeclarativeRefCount::~QDeclarativeRefCount() -{ - Q_ASSERT(refCount.load() == 0); -} - -void QDeclarativeRefCount::addref() -{ - Q_ASSERT(refCount.load() > 0); - refCount.ref(); -} - -void QDeclarativeRefCount::release() -{ - Q_ASSERT(refCount.load() > 0); - if (!refCount.deref()) - destroy(); -} - -void QDeclarativeRefCount::destroy() -{ - delete this; -} - -template<class T> -QDeclarativeRefPointer<T>::QDeclarativeRefPointer() -: o(0) -{ -} - -template<class T> -QDeclarativeRefPointer<T>::QDeclarativeRefPointer(T *o) -: o(o) -{ - if (o) o->addref(); -} - -template<class T> -QDeclarativeRefPointer<T>::QDeclarativeRefPointer(const QDeclarativeRefPointer<T> &other) -: o(other.o) -{ - if (o) o->addref(); -} - -template<class T> -QDeclarativeRefPointer<T>::~QDeclarativeRefPointer() -{ - if (o) o->release(); -} - -template<class T> -QDeclarativeRefPointer<T> &QDeclarativeRefPointer<T>::operator=(const QDeclarativeRefPointer<T> &other) -{ - if (other.o) other.o->addref(); - if (o) o->release(); - o = other.o; - return *this; -} - -template<class T> -QDeclarativeRefPointer<T> &QDeclarativeRefPointer<T>::operator=(T *other) -{ - if (other) other->addref(); - if (o) o->release(); - o = other; - return *this; -} - -/*! -Takes ownership of \a other. take() does *not* add a reference, as it assumes ownership -of the callers reference of other. -*/ -template<class T> -QDeclarativeRefPointer<T> &QDeclarativeRefPointer<T>::take(T *other) -{ - if (o) o->release(); - o = other; - return *this; -} - -QT_END_NAMESPACE - -QT_END_HEADER - -#endif // QDECLARATIVEREFCOUNT_P_H |