/*

* 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:    Data Source Task MDS IDlist class

*

*/

#ifndef GLXDATASOURCETASKMDSIDLIST_H_

#define GLXDATASOURCETASKMDSIDLIST_H_

/**

 * @author Simon Brooks, Alex Birkett

 */

// INCLUDES

#include <e32cmn.h>

#include <mdequery.h>

#include <glxdatasourcetask.h>

#include <glxdatasource.h>

#include <mdccommon.h>

#include <mglxtnthumbnailcreatorclient.h>

#include <mpxfilter.h>

#include <glxfilterproperties.h>

#include "glxdatasourcetaskmds.h"

// FORWARD DECLARATIONS

class CGlxDataSourceMde;

class CGlxIdListRequest;

class CGlxtnThumbnailCreator;

class CMdEObjectDef;

class CMdEObjectQuery;

class CMdESession;

/**

 *  CGlxDataSourceTaskMdeIdList class 

 *  Task to handle id list requests.

 */

NONSHARABLE_CLASS(CGlxDataSourceTaskMdeIdList) : public CGlxDataSourceTaskMde,

                                                 public MGlxtnThumbnailCreatorClient

	{

public:

    /**

     * Constructor.

     * @param aRequest request to be executed.

     * @param aObserver observer to be informed when task has completed.

     * @param aDataSource data source to be used by this object.

     */

     CGlxDataSourceTaskMdeIdList(CGlxIdListRequest* aRequest, 

             MGlxDataSourceRequestObserver& aObserver, CGlxDataSource* aDataSource);

     /**

      * Destructor.

      */

     ~CGlxDataSourceTaskMdeIdList();

private: // from MGlxtnThumbnailCreatorClient

	/**

	 * Not used (pure virtual stubbed)

	 * See @ref MGlxtnThumbnailCreatorClient::ThumbnailFetchComplete

	 */ 

	void ThumbnailFetchComplete(const TGlxMediaId& /*aItemId*/,

            TGlxThumbnailQuality /*aQuality*/, TInt /*aErrorCode*/) {};

	/**

	 * Not used (pure virtual stubbed)

	 * See @ref MGlxtnThumbnailCreatorClient::ThumbnailDeletionComplete

	 */ 

	 void ThumbnailDeletionComplete(const TGlxMediaId& /*aItemId*/,

             TInt /*aErrorCode*/) {};

	/**

	 * See @ref MGlxtnThumbnailCreatorClient::FilterAvailableComplete

	 */ 

	 void FilterAvailableComplete(const RArray<TGlxMediaId>& aIdArray,

	                                         TInt aErrorCode);

	/**

	 * Not used (pure virtual stubbed)

	 * See @ref MGlxtnThumbnailCreatorClient::FetchFileInfoL

	 */ 

	 void FetchFileInfoL(CGlxtnFileInfo* /*aInfo*/,

	                 const TGlxMediaId& /*aItemId*/, TRequestStatus* /*aStatus*/) {};

    /**

	 * Not used (pure virtual stubbed)

	 * See @ref MGlxtnThumbnailCreatorClient::CancelFetchUri

	 */ 

	 void CancelFetchUri(const TGlxMediaId& /*aItemId*/) {};

	/**

	 * Not used (pure virtual stubbed)

	 * See @ref MGlxtnThumbnailCreatorClient::ThumbnailStorage

	 */ 

	 MGlxtnThumbnailStorage* ThumbnailStorage() { return NULL; };

public: // From CGlxDataSourceTask    

    /**

     * See @ref CGlxDataSourceTask::ExecuteRequestL

     */ 

    void ExecuteRequestL();

private: // from CGlxDataSourceTaskMde

    /**

     * See @ref CGlxDataSourceTask::DoHandleQueryCompletedL

     */ 

    void DoHandleQueryCompletedL(CMdEQuery& aQuery);

private:

	void DoHandleListQueryCompletedL();

    void DoMonthListCreationL(CMdEQuery& aQuery, const TGlxFilterProperties& 

            aFilterProperties);

    void DoPostFilterComplete(const RArray<TGlxMediaId>& aIdArray, TInt aErrorCode);	

    void PostFilterL(const RArray<TGlxMediaId>& aFilteredList,

            const TGlxFilterProperties& aFilterProperties);                                                                            

	};

#endif // GLXDATASOURCETASKMDSIDLIST_H_