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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtQml 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 QV4BINDINGS_P_H
#define QV4BINDINGS_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 "private/qqmlexpression_p.h"
#include "private/qqmlbinding_p.h"
#include "private/qv4instruction_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
struct QV4Program;
class QV4Bindings : public QQmlAbstractExpression,
public QQmlRefCount
{
Q_DECLARE_TR_FUNCTIONS(QV4Bindings)
public:
QV4Bindings(const char *program, QQmlContextData *context,
QQmlRefCount *);
virtual ~QV4Bindings();
QQmlAbstractBinding *configBinding(int index, QObject *target,
QObject *scope, int property,
int line, int column);
#ifdef QML_THREADED_INTERPRETER
static void **getDecodeInstrTable();
#endif
private:
Q_DISABLE_COPY(QV4Bindings)
struct Binding : public QQmlAbstractBinding, public QQmlDelayedError {
Binding() : enabled(false), updating(0), property(0),
scope(0), target(0), executedBlocks(0), parent(0) {}
// Inherited from QQmlAbstractBinding
virtual void setEnabled(bool, QQmlPropertyPrivate::WriteFlags flags);
virtual void update(QQmlPropertyPrivate::WriteFlags flags);
virtual void destroy();
virtual int propertyIndex() const;
virtual QObject *object() const;
int index:30;
bool enabled:1;
bool updating:1;
// Encoding of property is coreIndex | (propType << 16) | (valueTypeIndex << 24)
// propType and valueTypeIndex are only set if the property is a value type property
int property;
QObject *scope;
int line;
int column;
QObject *target;
quint32 executedBlocks;
QV4Bindings *parent;
};
class Subscription : public QQmlNotifierEndpoint
{
public:
Subscription() : bindings(0), method(-1) { callback = &subscriptionCallback; }
static void subscriptionCallback(QQmlNotifierEndpoint *e);
QV4Bindings *bindings;
int method;
};
friend class Subscription;
Subscription *subscriptions;
void subscriptionNotify(int);
void run(Binding *, QQmlPropertyPrivate::WriteFlags flags);
QV4Program *program;
QQmlRefCount *dataRef;
Binding *bindings;
void init();
void run(int instr, quint32 &executedBlocks, QQmlContextData *context,
QQmlDelayedError *error, QObject *scope, QObject *output,
QQmlPropertyPrivate::WriteFlags storeFlags
#ifdef QML_THREADED_INTERPRETER
, void ***decode_instr = 0
#endif
);
inline void unsubscribe(int subIndex);
inline void subscribeId(QQmlContextData *p, int idIndex, int subIndex);
inline void subscribe(QObject *o, int notifyIndex, int subIndex);
inline static qint32 toInt32(qreal n);
static const qreal D32;
static quint32 toUint32(qreal n);
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QV4BINDINGS_P_H
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