/*

* Copyright (c) 2008-2009 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 GLXDATASOURCETASKMDSTHUMBNAIL_H_

#define GLXDATASOURCETASKMDSTHUMBNAIL_H_

/**

 * @author Simon Brooks, Alex Birkett

 */

#include "glxdatasourcetaskmdsattribute.h"

#include <glxthumbnailrequest.h>

/**

 *  CGlxDataSourceTaskMdeThumnail class 

 *  Services thumbnail requests

 */

	{

public:

    /**

	 * Constructor

	 * @param aRequest thumbnail request to service

	 * @param aObserver observer

	 * @param aDataSource data source

	 */

	CGlxDataSourceTaskMdeThumbnail(CGlxThumbnailRequest* aRequest, 

			MGlxDataSourceRequestObserver& aObserver, CGlxDataSource* aDataSource);

    /**

     * Destructor

     */

    ~CGlxDataSourceTaskMdeThumbnail();

private: // From CGlxDataSourceTask     

    /**

     * See @ref CGlxDataSourceTask::ExecuteRequestL

     */ 

    void ExecuteRequestL();

    /**

     * See @ref CGlxDataSourceTask::HandleRequestComplete

     */ 

    void HandleRequestComplete(TInt aError);

private: // From CGlxDataSourceTaskMde

    /**

     * See @ref CGlxDataSourceTaskMde::DoHandleQueryCompletedL

     */ 

    void DoHandleQueryCompletedL(CMdEQuery& aQuery);

private: //MThumbnailFetchRequestObserver

    void ThumbnailFetchComplete(TInt aError, TBool aQuality);

    void FetchFileInfoL();

private:

	void HandleThumbnailFetchCompleteL(const TGlxMediaId& aId,

		TGlxThumbnailQuality aQuality);	

	void DoHandleContainerFirstItemQueryCompletedL();

	void CompleteFetchFileInfoL(CMdEObject* aItem);

private:

	void CompleteThumbnailRequest(TInt aError);

private:

    CGlxtnFileInfo* iTnFileInfo;

    TRequestStatus* iTnRequestStatus;

    TBool iTnRequestInProgress;

#ifdef _DEBUG

	TTime iStartTime;

	TTime iStopTime;

#endif

	};

#endif // GLXDATASOURCETASKMDSTHUMBNAIL_H_