/*

* 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:

*

*  Version     : %version: 5 %

*/

#ifndef MYDATAPROVIDER2_H

#define MYDATAPROVIDER2_H

#include <QtGui>

#include <QList>

#include <QPair>

#include <mdesession.h>

#include <mdequery.h>

#include "flogger.h"

class CMdESession;

class CActiveSchedulerWait;

class QEventLoop;

class MyDataProvider : public HgDataProviderModel, public MMdESessionObserver, public MMdEQueryObserver

{

    Q_OBJECT

public:

    MyDataProvider(QObject *parent = 0);

    ~MyDataProvider();

    void changeIconSize(ThumbnailManager::ThumbnailSize aThumbnailsize);

    void changeMode(int mode); // 0 for Images, 1 for Audio

//from MMdESessionObserver and MMdEQueryObserver

    virtual void HandleSessionOpened(CMdESession& aSession, TInt aError);

    virtual void HandleSessionError(CMdESession& , TInt ){};

    virtual void HandleQueryNewResults(CMdEQuery& , TInt ,TInt ){};

    virtual void HandleQueryCompleted(CMdEQuery& aQuery, TInt aError);

//from HgDataProviderModel

    virtual void doReleaseData(QList<int> list, bool silent);

    virtual void doRequestData(QList<int> list, bool silent);  

    virtual QVariant defaultIcon() const;    

protected:

    virtual void doResetModel();

public slots:

    void thumbnailReady( QPixmap , void* , int, int ); 

private:

    void getNextThumbnail();

    void readMDSData();

public:

    void testRemoveItem(int pos);

    void testInsertItem(int pos, QList< QPair< QVariant, int > >* data);

private:

    CActiveSchedulerWait* mScheduler;

    ThumbnailManager* mWrapper;

    QList<int> mWaitingThumbnails;

    bool mThumbnailRequestPending;

    int mThumbnailRequestIndex;

    int mThumbnailRequestID;

	ThumbnailManager::ThumbnailSize mThumbnailsize;

	bool mMDSLoadInProgress;

	int mMode;

};

#endif // MYDATAPROVIDER2_H