cxSessionStorageService.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
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#ifndef CXSESSIONSTORAGESERVICE_H
#define CXSESSIONSTORAGESERVICE_H

#include "cxResourceExport.h"

#include "boost/shared_ptr.hpp"
#include <QString>
#include <QObject>
#include "cxForwardDeclarations.h"

class QDomElement;

#define SessionStorageService_iid "cx::SessionStorageService"

namespace cx
{
typedef boost::shared_ptr<class SessionStorageService> SessionStorageServicePtr;

class cxResource_EXPORT SessionStorageService : public QObject
{
        Q_OBJECT
public:
    SessionStorageService();
    virtual ~SessionStorageService();

        virtual void load(QString dir) = 0; 
        virtual void save() = 0; 
        virtual void clear() = 0;
        virtual bool isValid() const = 0;
        virtual QString getRootFolder() const = 0;

        virtual bool isNull() const = 0;
        static SessionStorageServicePtr getNullObject();

        QString getSubFolder(QString relative); 

signals:
        void cleared(); 
        void sessionChanged(); 
        void isSaving(QDomElement& root); 
        void isSavingSecond(QDomElement& root); 
        void isLoading(QDomElement& root); 
        void isLoadingSecond(QDomElement& root); 
};

} // namespace cx

Q_DECLARE_INTERFACE(cx::SessionStorageService, SessionStorageService_iid)

#endif // CXSESSIONSTORAGESERVICE_H