dbengineguierrorhandler.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2009-09-27
 * Description : Database engine gui error handler
 *
 * Copyright (C) 2009-2010 by Holger Foerster <Hamsi2k at freenet dot de>
 * Copyright (C) 2010-2022 by Gilles Caulier <caulier dot gilles at gmail dot com>
 *
 * 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, 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.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_DB_ENGINE_GUI_ERROR_HANDLER_H
#define DIGIKAM_DB_ENGINE_GUI_ERROR_HANDLER_H
 
// Qt includes
 
#include <QThread>
 
// Local includes
 
#include "dbenginebackend.h"
#include "dbengineerrorhandler.h"
#include "digikam_export.h"
 
namespace Digikam
{
 
class DIGIKAM_EXPORT DbEngineConnectionChecker : public QThread
{
    Q_OBJECT
 
public:
 
    explicit DbEngineConnectionChecker(const DbEngineParameters& parameters);
    ~DbEngineConnectionChecker() override;
 
    bool checkSuccessful() const;
 
public Q_SLOTS:
 
    void stopChecking();
 
protected:
 
    void run() override;
 
Q_SIGNALS:
 
    void failedAttempt();
    void done();
 
private:
 
    // Disable
    DbEngineConnectionChecker(QObject*) = delete;
 
    class Private;
    Private* const d;
};
 
// --------------------------------------------------------------
 
class DIGIKAM_EXPORT DbEngineGuiErrorHandler : public DbEngineErrorHandler
{
    Q_OBJECT
 
public:
 
    explicit DbEngineGuiErrorHandler(const DbEngineParameters& parameters);
    ~DbEngineGuiErrorHandler() override;
 
    bool checkDatabaseConnection();
 
public Q_SLOTS:
 
    void connectionError(DbEngineErrorAnswer* answer, const QSqlError& error, const QString& query) override;
    void consultUserForError(DbEngineErrorAnswer* answer, const QSqlError& error, const QString& query) override;
 
private Q_SLOTS:
 
    void showProgressDialog();
 
private:
 
    // Disabled
    DbEngineGuiErrorHandler(QObject*) = delete;
 
    class Private;
    Private* const d;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_DB_ENGINE_GUI_ERROR_HANDLER_H