/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#ifndef LOGSABSTRACTMODEL_H

#define LOGSABSTRACTMODEL_H

#include <QAbstractListModel>

#include <logsexport.h>

#include "logsengdefs.h"

class LogsEvent;

class LogsDbConnector;

class LogsModelItemContainer;

/**

 * Abstract logs model.

 *

 */

class LogsAbstractModel : public QAbstractListModel 

{

public:

    /**

     * Additional data role types.

     */

    enum LogsModelRole {

           RoleFullEvent = Qt::UserRole + 1, // LogsEvent

           RoleCall,                     // LogsCall

           RoleMessage,                  // LogsMessage

           RoleContact,                  // LogsContact

           RoleDetailsModel,             // LogsDetailsModel

           RoleBaseLast                  // Child classes may define roles above this val

    };

public:

    ~LogsAbstractModel();

public:

    static QString directionIconName(const LogsEvent& event);

    static QString typeIconName(const LogsEvent& event);

protected:

    QVariant doGetData(int role, LogsModelItemContainer& item) const;

    virtual QVariant createCall(LogsModelItemContainer& item) const;

    virtual QVariant createMessage(LogsModelItemContainer& item) const;

    virtual QVariant createContact(LogsModelItemContainer& item) const;

    LogsAbstractModel();

protected: //data 

    LogsDbConnector* mDbConnector;

private:

    friend class UT_LogsModel;

    friend class UT_LogsDetailsModel;

    friend class UT_LogsFilter;

    friend class UT_LogsCustomFilter;

};

/**

 * Specialized model may contain other model items than log events.

 */

class LogsModelItemContainer {

public:

    LogsModelItemContainer(LogsEvent* event = 0);

    virtual ~LogsModelItemContainer();

    LogsEvent* event();

private:

    LogsEvent* mEvent; // not owned

};

#endif //LOGSABSTRACTMODEL_H