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

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbCore module of the UI Extensions for Mobile.

**

** 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.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

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

#ifndef HBXMLLOADERBASEACTIONS_P_H

#define HBXMLLOADERBASEACTIONS_P_H

#include "hbxmlloaderabstractactions_p.h"

#include <hbglobal.h>

#include <QGraphicsWidget>

#include <QGraphicsLayout>

#include <QPointer>

// Uncomment the following in order to get additional debug prints

//#define HB_DOCUMENTLOADER_DEBUG

#ifndef HB_DOCUMENTLOADER_DEBUG

#define HB_DOCUMENTLOADER_PRINT(a) 

#else

#include <QDebug>

#define HB_DOCUMENTLOADER_PRINT(a) qDebug() << QString(a);

#endif // HB_DOCUMENTLOADER_DEBUG

class HbXmlLoaderAbstractPrivate;

struct HbXmlLengthValue;

class HB_CORE_PRIVATE_EXPORT HbXmlLoaderBaseActions : public HbXmlLoaderAbstractActions

{

    public:

        struct ObjectMapItem

        {

            ObjectMapItem() : mObject(0), mType(HbXml::UNKNOWN), mOwned(true) {};

            QPointer<QObject> mObject;

            HbXml::ElementType mType;

            bool mOwned;

        };

        typedef QMap<QString, ObjectMapItem> ObjectMap;

    public:    

        HbXmlLoaderBaseActions();

        virtual ~HbXmlLoaderBaseActions();

        virtual QObject *createObject(const QString& type, const QString &name, const QString &plugin);

        bool setObjectTree(QList<QObject *> roots);

        QList<QObject *> takeAll();

        QGraphicsWidget* findWidget(const QString &name);

        QObject* findObject(const QString &name);

        virtual bool pushDocument(const QString& context);

        virtual bool pop(const HbXml::ElementType type);

        virtual void cleanUp();

        virtual void reset();

        virtual void deleteAll();

    protected:

        ObjectMapItem lookUp(const QString& type, const QString &name, const QString &plugin = QString());

        QObject *findFromStack(bool *isWidgetElement = 0) const;

        void addToObjectMap(QList<QObject *> objects);

        void addToObjectMap(QList<QGraphicsItem *> objects);

        bool toPixels(const HbXmlLengthValue &lengthVal, qreal& result) const;

        QString translate(const QString &value, const QString &comment);

        Hb::Edge getAnchorOppositeEdge( Hb::Edge edge ) const;

    protected:

        QString mContext;

        QList<HbXml::Element> mStack;

        ObjectMap mObjectMap;    

        ObjectMap mTopObjectMap;

        QGraphicsLayout *mCurrentLayout;

    private:

        Q_DISABLE_COPY(HbXmlLoaderBaseActions)

    public:

};

#endif // HBXMLLOADERBASEACTIONS_P_H