/***************************************************************************
 *   Copyright (C) 2009 by Eric MAEKER, MD.                                *
 *   eric.maeker@free.fr                                                   *
 *                                                                         *
 *   This code is free and open source .                                   *
 *   It is released under the terms of the new BSD License.                *
 *                                                                         *
 *   Redistribution and use in source and binary forms, with or without    *
 *   modification, are permitted provided that the following conditions    *
 *   are met:                                                              *
 *   - Redistributions of source code must retain the above copyright      *
 *   notice, this list of conditions and the following disclaimer.         *
 *   - Redistributions in binary form must reproduce the above copyright   *
 *   notice, this list of conditions and the following disclaimer in the   *
 *   documentation and/or other materials provided with the distribution.  *
 *   - Neither the name of the FreeMedForms' organization nor the names of *
 *   its contributors may be used to endorse or promote products derived   *
 *   from this software without specific prior written permission.         *
 *                                                                         *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS   *
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT     *
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS     *
 *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE        *
 *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,  *
 *   INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,  *
 *   BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;      *
 *   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER      *
 *   CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT    *
 *   LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN     *
 *   ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE       *
 *   POSSIBILITY OF SUCH DAMAGE.                                           *
 ***************************************************************************/
#ifndef COMMON_ICORE_H
#define COMMON_ICORE_H

#include <QObject>

/*!
    \class Common::ICore
    \brief The ICore class allows access to the different part that make up the basic functionality of the project.
    Use the static instance() to access all its members.
    \code
        Common::ICore::instance()->settings();
    \endcode
*/

namespace Common {
class Settings;
class DatabaseManager;
class CommandLine;
class Position;

class ICore : public QObject
{
    Q_OBJECT
public:
    ICore() {}
    virtual ~ICore() {}
    static ICore *instance();

    virtual bool initialize() = 0;
    virtual Settings *settings() = 0;
    virtual DatabaseManager *databaseManager() = 0;
    virtual CommandLine *commandLine() = 0;
    virtual Position *position() = 0;

Q_SIGNALS:
    void coreAboutToInitialize();
    void coreInitialized();
    void saveSettingsRequested();
    void coreAboutToClose();
};


}  // End namespace Common

#endif   // COMMON_ICORE_H
