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/*
* Copyright (C) 2015-2018 Département de l'Instruction Publique (DIP-SEM)
*
* Copyright (C) 2013 Open Education Foundation
*
* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
* l'Education Numérique en Afrique (GIP ENA)
*
* This file is part of OpenBoard.
*
* OpenBoard is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License,
* with a specific linking exception for the OpenSSL project's
* "OpenSSL" library (or with modified versions of it that use the
* same license as the "OpenSSL" library).
*
* OpenBoard is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UBPERSISTENCEWORKER_H
#define UBPERSISTENCEWORKER_H
#include <QObject>
#include <QSemaphore>
#include "document/UBDocumentProxy.h"
#include "domain/UBGraphicsScene.h"
typedef enum{
WriteScene = 0,
ReadScene,
WriteMetadata
}ActionType;
typedef struct{
ActionType action;
UBDocumentProxy* proxy;
UBGraphicsScene* scene;
int sceneIndex;
}PersistenceInformation;
class UBPersistenceWorker : public QObject
{
Q_OBJECT
public:
explicit UBPersistenceWorker(QObject *parent = 0);
void saveScene(UBDocumentProxy* proxy, UBGraphicsScene* scene, const int pageIndex);
void readScene(UBDocumentProxy* proxy, const int pageIndex);
void saveMetadata(UBDocumentProxy* proxy);
signals:
void finished();
void error(QString string);
void sceneLoaded(QByteArray text,UBDocumentProxy* proxy, const int pageIndex);
void scenePersisted(UBGraphicsScene* scene);
void metadataPersisted(UBDocumentProxy* proxy);
public slots:
void process();
void applicationWillClose();
protected:
bool mReceivedApplicationClosing;
QSemaphore mSemaphore;
QList<PersistenceInformation> saves;
};
#endif // UBPERSISTENCEWORKER_H