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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMLENGINE_P_H
#define QMLENGINE_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/QScriptClass>
#include <QtScript/QScriptValue>
#include <QtScript/QScriptString>
#include <QtCore/qstring.h>
#include <QtCore/qlist.h>
#include <QtCore/qpair.h>
#include <QtCore/qstack.h>
#include <private/qobject_p.h>
#include <private/qmlclassfactory_p.h>
#include <private/qmlcompositetypemanager_p.h>
#include <private/qpodvector_p.h>
#include <QtDeclarative/qml.h>
#include <private/qmlbasicscript_p.h>
#include <QtDeclarative/qmlcontext.h>
#include <QtDeclarative/qmlengine.h>
#include <QtDeclarative/qmlexpression.h>
#include <QtScript/qscriptengine.h>
QT_BEGIN_NAMESPACE
class QmlContext;
class QmlEngine;
class QmlContextPrivate;
class QmlExpression;
class QmlBasicScriptNodeCache;
class QmlContextScriptClass;
class QmlObjectScriptClass;
class QScriptEngineDebugger;
class QNetworkReply;
class QNetworkAccessManager;
class QmlEnginePrivate : public QObjectPrivate
{
Q_DECLARE_PUBLIC(QmlEngine)
public:
QmlEnginePrivate(QmlEngine *);
~QmlEnginePrivate();
void init();
void contextActivated(QmlContext *);
void contextDeactivated(QmlContext *);
bool fetchCache(QmlBasicScriptNodeCache &cache, const QString &propName, QObject *);
bool loadCache(QmlBasicScriptNodeCache &cache, const QString &propName, QmlContextPrivate *context);
QScriptClass::QueryFlags queryObject(const QString &name, uint *id, QObject *);
QScriptValue propertyObject(const QScriptString &propName, QObject *, uint id = 0);
struct CapturedProperty {
CapturedProperty(QObject *o, int c, int n)
: object(o), coreIndex(c), notifyIndex(n) {}
CapturedProperty(const QmlMetaProperty &);
QObject *object;
int coreIndex;
int notifyIndex;
};
QPODVector<CapturedProperty> capturedProperties;
QmlContext *rootContext;
QmlContext *currentBindContext;
QmlExpression *currentExpression;
QmlEngine *q;
#ifdef QT_SCRIPTTOOLS_LIB
QScriptEngineDebugger *debugger;
#endif
QmlContextScriptClass *contextClass;
QmlObjectScriptClass *objectClass;
QmlContext *setCurrentBindContext(QmlContext *);
QStack<QmlContext *> activeContexts;
QScriptEngine scriptEngine;
QUrl baseUrl;
template<class T>
struct SimpleList {
SimpleList()
: count(0), values(0) {}
SimpleList(int r)
: count(0), values(new T*[r]) {}
int count;
T **values;
void append(T *v) {
values[count++] = v;
}
T *at(int idx) const {
return values[idx];
}
void clear() {
delete [] values;
}
};
static void clear(SimpleList<QmlBindableValue> &);
static void clear(SimpleList<QmlParserStatus> &);
QList<SimpleList<QmlBindableValue> > bindValues;
QList<SimpleList<QmlParserStatus> > parserStatus;
QmlComponent *rootComponent;
mutable QNetworkAccessManager *networkAccessManager;
QmlCompositeTypeManager typeManager;
QMap<QString,QString> nameSpacePaths;
mutable quint32 uniqueId;
quint32 getUniqueId() const {
return uniqueId++;
}
};
class QmlScriptClass : public QScriptClass
{
public:
enum ClassId
{
InvalidId = -1,
FunctionId = 0x80000000,
VariantPropertyId = 0x40000000,
PropertyId = 0x00000000,
ClassIdMask = 0xC0000000,
ClassIdSelectorMask = 0x3F000000,
};
QmlScriptClass(QmlEngine *);
protected:
QmlEngine *engine;
};
class QmlContextScriptClass : public QmlScriptClass
{
public:
QmlContextScriptClass(QmlEngine *);
~QmlContextScriptClass();
virtual QueryFlags queryProperty(const QScriptValue &object,
const QScriptString &name,
QueryFlags flags, uint *id);
virtual QScriptValue property(const QScriptValue &object,
const QScriptString &name,
uint id);
virtual void setProperty(QScriptValue &object,
const QScriptString &name,
uint id,
const QScriptValue &value);
};
class QmlObjectScriptClass : public QmlScriptClass
{
public:
QmlObjectScriptClass(QmlEngine *);
~QmlObjectScriptClass();
virtual QScriptValue prototype () const;
QScriptValue prototypeObject;
virtual QueryFlags queryProperty(const QScriptValue &object,
const QScriptString &name,
QueryFlags flags, uint *id);
virtual QScriptValue property(const QScriptValue &object,
const QScriptString &name,
uint id);
virtual void setProperty(QScriptValue &object,
const QScriptString &name,
uint id,
const QScriptValue &value);
};
QT_END_NAMESPACE
#endif // QMLENGINE_P_H
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