/*

* 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:

*

*/

#include <QBrush>

#include <hbglobal.h>

#include "irqsonghistoryinfo.h"

#include "irqsonghistoryengine.h"

#include "irsonghistorymodel.h"

#include "iruidefines.h"

IRSongHistoryModel::IRSongHistoryModel(QObject *aParent) : QAbstractListModel(aParent)

{     

    iHistoryEngine = IRQSongHistoryEngine::openInstance();

    getAllList();

}

IRSongHistoryModel::~IRSongHistoryModel()

{

    while (!iSongHistoryList.isEmpty())

    {

        delete iSongHistoryList.takeFirst();

    }

    if (iHistoryEngine)

    {

        iHistoryEngine->closeInstance();

        iHistoryEngine = NULL;

    }

}

int IRSongHistoryModel::rowCount(const QModelIndex &aParent) const

{

    Q_UNUSED(aParent);

    return iSongHistoryList.count();

}

QVariant IRSongHistoryModel::data(const QModelIndex &aIndex, int aRole) const

{

    if (!aIndex.isValid())

    {

        return QVariant();

    }

    int row = aIndex.row();

    if (aIndex.row() >= iSongHistoryList.count())

    {

        return QVariant();

    }

    if (aRole == Qt::DisplayRole)

    {

        QVariantList list;      

        QString songName = iSongHistoryList.at(row)->getSongName();

        songName = songName.trimmed();

        if( "" == songName )

        {

            songName = hbTrId("txt_irad_list_unknown_song");

        }

        songName = QString::number(row+1) + ". " + "\" " + songName + " \"";        

        list.append(songName);

        QString artistName;

        artistName = iSongHistoryList.at(row)->getArtistName();

        artistName = artistName.trimmed();

        if( "" == artistName )

        {

            artistName = "< " + hbTrId("txt_irad_list_unknown_artist") + " >";

        }

        else

        {

            artistName = "< " + iSongHistoryList.at(row)->getArtistName() + " >";

        }

        list.append(artistName);

        return list;

    }    

    else if (aRole == Qt::BackgroundRole)

    {

            if (aIndex.row() % 2 == 0)

            {

                return QBrush(KListEvenRowColor);

            }

            else

            {

                return QBrush(KListOddRowColor);

            }        

    }

    return QVariant();

}

IRQSongInfo* IRSongHistoryModel::getSongHistoryInfo(int aIndex)

{

    if (aIndex >= 0 && aIndex < iSongHistoryList.count())

    {

        return iSongHistoryList.at(aIndex);

    }

    return NULL;

}

void IRSongHistoryModel::clearAllList()

{

    while (!iSongHistoryList.isEmpty())

    {

        IRQSongInfo *firstItem = iSongHistoryList.takeFirst();

        delete firstItem;

    }

    emit modelChanged();

}

bool IRSongHistoryModel::checkSongHistoryUpdate()

{     

    getAllList();    

    return true;

}

void IRSongHistoryModel::getAllList()

{

    iHistoryEngine->getAllSongHistory(iSongHistoryList);

    emit modelChanged();

} 

void IRSongHistoryModel::clearHisotrySongDB()

{

    while (!iSongHistoryList.isEmpty())

    {

        IRQSongInfo *firstItem = iSongHistoryList.takeFirst();

        delete firstItem;

    }

    iHistoryEngine->clearAllSongHistory();     

    emit modelChanged();

}