/*

 * 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 CONVERSATIONS_SUMMARY_MODEL_H

#define CONVERSATIONS_SUMMARY_MODEL_H

// INCLUDES

#include <QObject>

#include <QStandardItemModel>

#include <ccsdefs.h>

// FORWARD DECLARATIONS

class CCsClientConversation;

/**

 * This class implements the model of the model/view framework.

 * The model holds data for the conversations list fetched from the

 * server.

 *

 * Data from server is mapped to UI via Model

 *

 */

class ConversationsSummaryModel : public QStandardItemModel

{

    Q_OBJECT

public:

    /**

     * Constructor

     */

    explicit ConversationsSummaryModel(QObject* parent = 0);

public:

    /**

     * Destructor

     */

    virtual ~ConversationsSummaryModel();

    /**

     * Method for mapping the data in the Model to the UI

     * @param index index for which data needs to be fetched

     * @param role defined for the data

     * @return QVariant as the data

     */

    QVariant data(const QModelIndex & index, int role) const;

    /**

     * Add a new row to the conversation summary model.

     * Overwrite the row if the message already exists.

     * @param conversation, CCsClientConversation

     * 

     */    

    void addRow(const CCsClientConversation& conversation);

    /**

     * Delete a row from conversation summary model.

     * @param conversationId, conversation Id

     */        

    void deleteRow(qint64 conversationId);  

private:

    /**

     * Populate an item in model from CCsClientConversation.

     * @param item, QStandardItem

     * @param conversation, CCsClientConversation

     * 

     */    

    void populateItem(QStandardItem& item,

            const CCsClientConversation& conversation);   

};

#endif // CONVERSATIONS_SUMMARY_MODEL_H