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/****************************************************************************
**
** 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 QDECLARATIVEPROPERTY_P_H
#define QDECLARATIVEPROPERTY_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 "qdeclarativeproperty.h"
#include <private/qobject_p.h>
#include <private/qdeclarativeglobal_p.h>
#include <private/qdeclarativepropertycache_p.h>
#include <private/qdeclarativeguard_p.h>
QT_BEGIN_NAMESPACE
class QDeclarativeContext;
class QDeclarativeEnginePrivate;
class QDeclarativeExpression;
class Q_DECLARATIVE_PRIVATE_EXPORT QDeclarativePropertyPrivate
{
public:
enum WriteFlag { BypassInterceptor = 0x01, DontRemoveBinding = 0x02, RemoveBindingOnAliasWrite = 0x04 };
Q_DECLARE_FLAGS(WriteFlags, WriteFlag)
QDeclarativePropertyPrivate()
: q(0), context(0), engine(0), object(0), isNameCached(false) {}
QDeclarativePropertyPrivate(const QDeclarativePropertyPrivate &other)
: q(0), context(other.context), engine(other.engine), object(other.object),
isNameCached(other.isNameCached),
core(other.core), nameCache(other.nameCache),
valueType(other.valueType) {}
QDeclarativeProperty *q;
QDeclarativeContextData *context;
QDeclarativeEngine *engine;
QDeclarativeGuard<QObject> object;
bool isNameCached:1;
QDeclarativePropertyCache::Data core;
QString nameCache;
// Describes the "virtual" value-type sub-property.
QDeclarativePropertyCache::ValueTypeData valueType;
void initProperty(QObject *obj, const QString &name);
void initDefault(QObject *obj);
bool isValueType() const;
int propertyType() const;
QDeclarativeProperty::PropertyTypeCategory propertyTypeCategory() const;
QVariant readValueProperty();
bool writeValueProperty(const QVariant &, WriteFlags);
static const QMetaObject *rawMetaObjectForType(QDeclarativeEnginePrivate *, int);
static bool writeEnumProperty(const QMetaProperty &prop, int idx, QObject *object,
const QVariant &value, int flags);
static bool write(QObject *, const QDeclarativePropertyCache::Data &, const QVariant &,
QDeclarativeContextData *, WriteFlags flags = 0);
static void findAliasTarget(QObject *, int, QObject **, int *);
static QDeclarativeAbstractBinding *setBinding(QObject *, int coreIndex, int valueTypeIndex /* -1 */,
QDeclarativeAbstractBinding *,
WriteFlags flags = DontRemoveBinding);
static QDeclarativeAbstractBinding *setBindingNoEnable(QObject *, int coreIndex, int valueTypeIndex /* -1 */,
QDeclarativeAbstractBinding *);
static QDeclarativeAbstractBinding *binding(QObject *, int coreIndex, int valueTypeIndex /* -1 */);
static QByteArray saveValueType(const QMetaObject *, int,
const QMetaObject *, int);
static QByteArray saveProperty(const QMetaObject *, int);
static QDeclarativeProperty restore(const QByteArray &, QObject *, QDeclarativeContextData *);
static bool equal(const QMetaObject *, const QMetaObject *);
static bool canConvert(const QMetaObject *from, const QMetaObject *to);
// "Public" (to QML) methods
static QDeclarativeAbstractBinding *binding(const QDeclarativeProperty &that);
static QDeclarativeAbstractBinding *setBinding(const QDeclarativeProperty &that,
QDeclarativeAbstractBinding *,
WriteFlags flags = DontRemoveBinding);
static QDeclarativeExpression *signalExpression(const QDeclarativeProperty &that);
static QDeclarativeExpression *setSignalExpression(const QDeclarativeProperty &that,
QDeclarativeExpression *) ;
static bool write(const QDeclarativeProperty &that, const QVariant &, WriteFlags);
static int valueTypeCoreIndex(const QDeclarativeProperty &that);
static int bindingIndex(const QDeclarativeProperty &that);
static QMetaMethod findSignalByName(const QMetaObject *mo, const QByteArray &);
static bool connect(const QObject *sender, int signal_index,
const QObject *receiver, int method_index,
int type = 0, int *types = 0);
static const QMetaObject *metaObjectForProperty(const QMetaObject *, int);
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QDeclarativePropertyPrivate::WriteFlags)
QT_END_NAMESPACE
#endif // QDECLARATIVEPROPERTY_P_H
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