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** This file is part of the QtDeclarative module of the Qt Toolkit.

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** General Public License version 2.1 as published by the Free Software

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****************************************************************************/

#include "private/qdeclarativeglobalscriptclass_p.h"

#include <QtScript/qscriptstring.h>

#include <QtScript/qscriptengine.h>

#include <QtScript/qscriptvalueiterator.h>

QT_BEGIN_NAMESPACE

/*

    Used to prevent any writes to the global object.

*/

QDeclarativeGlobalScriptClass::QDeclarativeGlobalScriptClass(QScriptEngine *engine)

: QScriptClass(engine)

{

    QString eval = QLatin1String("eval");

    QScriptValue globalObject = engine->globalObject();

    m_globalObject = engine->newObject();

    QScriptValue newGlobalObject = engine->newObject();

    QScriptValueIterator iter(globalObject);

    while (iter.hasNext()) {

        iter.next();

        QString name = iter.name();

        if (name != eval)

            m_globalObject.setProperty(iter.scriptName(), iter.value());

        newGlobalObject.setProperty(iter.scriptName(), iter.value());

        m_illegalNames.insert(name);

    }

    newGlobalObject.setScriptClass(this);

    engine->setGlobalObject(newGlobalObject);

}

QScriptClass::QueryFlags 

QDeclarativeGlobalScriptClass::queryProperty(const QScriptValue &object,

                                    const QScriptString &name,

                                    QueryFlags flags, uint *id)

{

    Q_UNUSED(object);

    Q_UNUSED(name);

    Q_UNUSED(flags);

    Q_UNUSED(id);

    return HandlesReadAccess | HandlesWriteAccess;

}

QScriptValue 

QDeclarativeGlobalScriptClass::property(const QScriptValue &object,

                               const QScriptString &name, 

                               uint id)

{

    Q_UNUSED(object);

    Q_UNUSED(name);

    Q_UNUSED(id);

    return engine()->undefinedValue();

}

void QDeclarativeGlobalScriptClass::setProperty(QScriptValue &object, 

                                       const QScriptString &name,

                                       uint id, const QScriptValue &value)

{

    Q_UNUSED(object);

    Q_UNUSED(id);

    Q_UNUSED(value);

    QString error = QLatin1String("Invalid write to global property \"") + 

                    name.toString() + QLatin1Char('\"');

    engine()->currentContext()->throwError(error);

}

/* This method is for the use of tst_qdeclarativeecmascript::callQtInvokables() only */

void QDeclarativeGlobalScriptClass::explicitSetProperty(const QString &name, const QScriptValue &value)

{

    QScriptValue globalObject = engine()->globalObject();

    QScriptValue v = engine()->newObject();

    QScriptValueIterator iter(v);

    while (iter.hasNext()) {

        iter.next();

        v.setProperty(iter.scriptName(), iter.value());

    }

    v.setProperty(name, value);

    v.setScriptClass(this);

    engine()->setGlobalObject(v);

}

QT_END_NAMESPACE