/**************************************************************************** ** ** Copyright (C) 2009 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. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QMLDECLARATIVEDATA_P_H #define QMLDECLARATIVEDATA_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 #include #include "qmlguard_p.h" QT_BEGIN_NAMESPACE class QmlCompiledData; class QmlAbstractBinding; class QmlContext; class QmlPropertyCache; class Q_AUTOTEST_EXPORT QmlDeclarativeData : public QDeclarativeData { public: QmlDeclarativeData(QmlContext *ctxt = 0) : context(ctxt), bindings(0), nextContextObject(0), prevContextObject(0), bindingBitsSize(0), bindingBits(0), outerContext(0), lineNumber(0), columnNumber(0), deferredComponent(0), deferredIdx(0), attachedProperties(0), propertyCache(0), guards(0) {} virtual void destroyed(QObject *); QmlContext *context; QmlAbstractBinding *bindings; // Linked list for QmlContext::contextObjects QmlDeclarativeData *nextContextObject; QmlDeclarativeData**prevContextObject; int bindingBitsSize; quint32 *bindingBits; bool hasBindingBit(int) const; void clearBindingBit(int); void setBindingBit(QObject *obj, int); QmlContext *outerContext; // Can't this be found from context? ushort lineNumber; ushort columnNumber; QmlCompiledData *deferredComponent; // Can't this be found from the context? unsigned int deferredIdx; QHash *attachedProperties; QScriptValue scriptValue; QmlPropertyCache *propertyCache; QmlGuard *guards; static QmlDeclarativeData *get(const QObject *object, bool create = false) { QObjectPrivate *priv = QObjectPrivate::get(const_cast(object)); if (priv->declarativeData) { return static_cast(priv->declarativeData); } else if (create) { priv->declarativeData = new QmlDeclarativeData; return static_cast(priv->declarativeData); } else { return 0; } } }; template void QmlGuard::addGuard() { QmlDeclarativeData *data = QmlDeclarativeData::get(o, true); next = data->guards; if (next) reinterpret_cast *>(next)->prev = &next; data->guards = reinterpret_cast *>(this); prev = &data->guards; } template void QmlGuard::remGuard() { if (next) reinterpret_cast *>(next)->prev = prev; *prev = next; next = 0; prev = 0; } QT_END_NAMESPACE #endif // QMLDECLARATIVEDATA_P_H