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Diffstat (limited to 'src/declarative/qml/qdeclarativedeclarativedata_p.h')
| -rw-r--r-- | src/declarative/qml/qdeclarativedeclarativedata_p.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/declarative/qml/qdeclarativedeclarativedata_p.h b/src/declarative/qml/qdeclarativedeclarativedata_p.h new file mode 100644 index 0000000..2c92419 --- /dev/null +++ b/src/declarative/qml/qdeclarativedeclarativedata_p.h @@ -0,0 +1,138 @@ +/**************************************************************************** +** +** 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 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 QDECLARATIVEDECLARATIVEDATA_P_H +#define QDECLARATIVEDECLARATIVEDATA_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 <QtScript/qscriptvalue.h> +#include <private/qobject_p.h> +#include "qdeclarativeguard_p.h" + +QT_BEGIN_NAMESPACE + +class QDeclarativeCompiledData; +class QDeclarativeAbstractBinding; +class QDeclarativeContext; +class QDeclarativePropertyCache; +class Q_AUTOTEST_EXPORT QDeclarativeDeclarativeData : public QDeclarativeData +{ +public: + QDeclarativeDeclarativeData(QDeclarativeContext *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 *); + + QDeclarativeContext *context; + QDeclarativeAbstractBinding *bindings; + + // Linked list for QDeclarativeContext::contextObjects + QDeclarativeDeclarativeData *nextContextObject; + QDeclarativeDeclarativeData**prevContextObject; + + int bindingBitsSize; + quint32 *bindingBits; + bool hasBindingBit(int) const; + void clearBindingBit(int); + void setBindingBit(QObject *obj, int); + + QDeclarativeContext *outerContext; // Can't this be found from context? + ushort lineNumber; + ushort columnNumber; + + QDeclarativeCompiledData *deferredComponent; // Can't this be found from the context? + unsigned int deferredIdx; + + QHash<int, QObject *> *attachedProperties; + + QScriptValue scriptValue; + QDeclarativePropertyCache *propertyCache; + + QDeclarativeGuard<QObject> *guards; + + static QDeclarativeDeclarativeData *get(const QObject *object, bool create = false) { + QObjectPrivate *priv = QObjectPrivate::get(const_cast<QObject *>(object)); + if (priv->declarativeData) { + return static_cast<QDeclarativeDeclarativeData *>(priv->declarativeData); + } else if (create) { + priv->declarativeData = new QDeclarativeDeclarativeData; + return static_cast<QDeclarativeDeclarativeData *>(priv->declarativeData); + } else { + return 0; + } + } +}; + +template<class T> +void QDeclarativeGuard<T>::addGuard() +{ + QDeclarativeDeclarativeData *data = QDeclarativeDeclarativeData::get(o, true); + next = data->guards; + if (next) reinterpret_cast<QDeclarativeGuard<T> *>(next)->prev = &next; + data->guards = reinterpret_cast<QDeclarativeGuard<QObject> *>(this); + prev = &data->guards; +} + +template<class T> +void QDeclarativeGuard<T>::remGuard() +{ + if (next) reinterpret_cast<QDeclarativeGuard<T> *>(next)->prev = prev; + *prev = next; + next = 0; + prev = 0; +} + +QT_END_NAMESPACE + +#endif // QDECLARATIVEDECLARATIVEDATA_P_H |