/*

* 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 CNTHISTORYMODEL_H

#define CNTHISTORYMODEL_H

#include <QAbstractListModel>

#include <QSharedData>

#include <qmobilityglobal.h>

#include <qcontactid.h>

#include "cntglobal.h"

#include "cnthistorymodelconsts.h"

#include "cnthistorymodelglobal.h"

QTM_BEGIN_NAMESPACE

class QContactManager;

QTM_END_NAMESPACE

QTM_USE_NAMESPACE

class CntHistoryModelPrivate;

/*!

 * CntHistoryModel is a model used to fetch conversation history

 * (SMS & call logs) from databases. It will 

 * cache content from the databases to be displayed on the screen

 * by the conversation view.

 * 

 * Note that that this is a prototype implementation and does

 * not yet support more advanced features.

 */

class CNTHISTORYMODEL_EXPORT CntHistoryModel : public QAbstractListModel

{    

    Q_OBJECT

public:

    CntHistoryModel(QContactLocalId contactId,

                    QContactManager* manager,

                    QObject *parent = 0);

    ~CntHistoryModel();

public: // from QAbstractTableModel/QAbstractItemModel

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

    int rowCount(const QModelIndex& parent = QModelIndex()) const;

    void sort(int column = 0, Qt::SortOrder order = Qt::AscendingOrder);

public:

    void clearHistory();

    void markAllAsSeen();

    void sortAndRefresh(Qt::SortOrder order = Qt::AscendingOrder);

private:

    void doBeginInsertRows(const QModelIndex &parent, int first, int last);

    void doEndInsertRows();

    void doBeginRemoveRows(const QModelIndex &parent, int first, int last);

    void doEndRemoveRows();

    void doDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);

private:

	CntHistoryModelPrivate* const d_ptr;

    Q_DECLARE_PRIVATE_D(d_ptr, CntHistoryModel)

    Q_DISABLE_COPY(CntHistoryModel)

    // Testing related friend definitions

    friend class TestCntHistoryModel;

};

#endif