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Diffstat (limited to 'src/declarative/qml/qmlguard_p.h')
-rw-r--r-- | src/declarative/qml/qmlguard_p.h | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/src/declarative/qml/qmlguard_p.h b/src/declarative/qml/qmlguard_p.h deleted file mode 100644 index 0e90f79..0000000 --- a/src/declarative/qml/qmlguard_p.h +++ /dev/null @@ -1,156 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtCore 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. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QMLGUARD_P_H -#define QMLGUARD_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists for the convenience -// of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp. This header -// file may change from version to version without notice, or even be removed. -// -// We mean it. -// - -#include <QtCore/qglobal.h> - -QT_BEGIN_NAMESPACE - -class QObject; -template<class T> -class QmlGuard -{ - QObject *o; - QmlGuard<QObject> *next; - QmlGuard<QObject> **prev; - friend class QmlDeclarativeData; -public: - inline QmlGuard(); - inline QmlGuard(T *); - inline QmlGuard(const QmlGuard<T> &); - inline virtual ~QmlGuard(); - - inline QmlGuard<T> &operator=(const QmlGuard<T> &o); - inline QmlGuard<T> &operator=(T *); - - inline bool isNull() const - { return !o; } - - inline T* operator->() const - { return static_cast<T*>(const_cast<QObject*>(o)); } - inline T& operator*() const - { return *static_cast<T*>(const_cast<QObject*>(o)); } - inline operator T*() const - { return static_cast<T*>(const_cast<QObject*>(o)); } - inline T* data() const - { return static_cast<T*>(const_cast<QObject*>(o)); } - -protected: - virtual void objectDestroyed(T *) {} - -private: - inline void addGuard(); - inline void remGuard(); -}; - -QT_END_NAMESPACE - -Q_DECLARE_METATYPE(QmlGuard<QObject>); - -#include "qmldeclarativedata_p.h" - -QT_BEGIN_NAMESPACE - -template<class T> -QmlGuard<T>::QmlGuard() -: o(0), next(0), prev(0) -{ -} - -template<class T> -QmlGuard<T>::QmlGuard(T *g) -: o(g), next(0), prev(0) -{ - if (o) addGuard(); -} - -template<class T> -QmlGuard<T>::QmlGuard(const QmlGuard<T> &g) -: o(g.o), next(0), prev(0) -{ - if (o) addGuard(); -} - -template<class T> -QmlGuard<T>::~QmlGuard() -{ - if (prev) remGuard(); - o = 0; -} - -template<class T> -QmlGuard<T> &QmlGuard<T>::operator=(const QmlGuard<T> &g) -{ - if (g.o != o) { - if (prev) remGuard(); - o = g.o; - if (o) addGuard(); - } - return *this; -} - -template<class T> -QmlGuard<T> &QmlGuard<T>::operator=(T *g) -{ - if (g != o) { - if (prev) remGuard(); - o = g; - if (o) addGuard(); - } - return *this; -} - -QT_END_NAMESPACE - -#endif // QMLGUARD_P_H |