/****************************************************************************
**
** 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.
**
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** No Commercial Usage
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** Beta Release License Agreement.
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** 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
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
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** packaging of this file.  Please review the following information to
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****************************************************************************/

#ifndef QMLENGINE_H
#define QMLENGINE_H

#include <QtCore/qobject.h>
#include <QtCore/qmap.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)

class QmlComponent;
class QmlEnginePrivate;
class QmlExpression;
class QmlContext;
class QUrl;
class QScriptEngine;
class QNetworkAccessManager;
class Q_DECLARATIVE_EXPORT QmlEngine : public QObject
{
    Q_OBJECT
public:
    QmlEngine(QObject *p = 0);
    virtual ~QmlEngine();

    static QmlEngine *activeEngine();

    QmlContext *rootContext();
    QmlContext *activeContext();

    void clearComponentCache();

    void setNameSpacePaths(const QMap<QString,QString>& map);
    void addNameSpacePaths(const QMap<QString,QString>& map);
    void addNameSpacePath(const QString&,const QString&);
    QMap<QString,QString> nameSpacePaths() const;
    QUrl componentUrl(const QUrl& src, const QUrl& baseUrl) const;

    void setNetworkAccessManager(QNetworkAccessManager *);
    QNetworkAccessManager *networkAccessManager() const;

    static QmlContext *contextForObject(const QObject *);
    static void setContextForObject(QObject *, QmlContext *);
private:
    // LK: move to the private class
    QScriptEngine *scriptEngine();
    friend class QFxItem; // XXX
    friend class QmlScriptPrivate; 
    friend class QmlCompositeTypeManager; 
    friend class QmlCompiler; 
    friend class QmlScriptClass;
    friend class QmlContext;
    friend class QmlContextPrivate;
    friend class QmlExpression;
    friend class QmlBasicScript;
    friend class QmlVME;
    friend class QmlComponent;
    friend class QmlContextScriptClass; //###
    friend class QmlObjectScriptClass;      //###
    Q_DECLARE_PRIVATE(QmlEngine)
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QMLENGINE_H