/**
 * UGENE - Integrated Bioinformatics Tools.
 * Copyright (C) 2008-2013 UniPro <ugene@unipro.ru>
 * http://ugene.unipro.ru
 *
 * This program 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; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 */

#ifndef _U2_UNLOAD_DOCUMENT_TASK_H_
#define _U2_UNLOAD_DOCUMENT_TASK_H_

#include <U2Core/GUrl.h>
#include <U2Core/Task.h>
#include <U2Core/UnloadedObject.h>
#include <U2Core/LoadDocumentTask.h>

#include <QtCore/QPointer>

namespace U2 {

class Document;
class SaveDocumentTask;

enum UnloadDocumentTask_SaveMode {
    UnloadDocumentTask_SaveMode_Ask,
    UnloadDocumentTask_SaveMode_NotSave,
    UnloadDocumentTask_SaveMode_Save
};


class U2GUI_EXPORT UnloadDocumentTask: public Task {
    Q_OBJECT
public:
    UnloadDocumentTask(Document* doc, bool save);
    ReportResult report();

    static void runUnloadTaskHelper(const QList<Document*>& docs, UnloadDocumentTask_SaveMode sm);
    static QString checkSafeUnload(Document* d);

private:
    QPointer<Document>      doc;
    SaveDocumentTask*       saveTask;
};

class U2GUI_EXPORT ReloadDocumentTask : public Task{
    Q_OBJECT
public:
    ReloadDocumentTask(Document *d);
    virtual void prepare();
    virtual QList<Task*> onSubTaskFinished(Task* subTask);
private:
    Document *doc;
    GUrl url;
    Task *removeDocTask;
};

}//namespace

#endif
