1 /*

     2 * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:    Data Source Task MDS IDlist class

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef GLXDATASOURCETASKMDSIDLIST_H_

    22 #define GLXDATASOURCETASKMDSIDLIST_H_

    23 

    24 /**

    25  * @author Simon Brooks, Alex Birkett

    26  */

    27 

    28 // INCLUDES

    29 #include <e32cmn.h>

    30 #include <mdequery.h>

    31 

    32 #include <glxdatasourcetask.h>

    33 #include <glxdatasource.h>

    34 #include <mdccommon.h>

    35 #include <mglxtnthumbnailcreatorclient.h>

    36 #include <mpxfilter.h>

    37 #include <glxfilterproperties.h>

    38 #include "glxdatasourcetaskmds.h"

    39 // FORWARD DECLARATIONS

    40 class CGlxDataSourceMde;

    41 class CGlxIdListRequest;

    42 class CGlxtnThumbnailCreator;

    43 class CMdEObjectDef;

    44 class CMdEObjectQuery;

    45 class CMdESession;

    46 

    47 /**

    48  *  CGlxDataSourceTaskMdeIdList class 

    49  *  Task to handle id list requests.

    50  */

    51 NONSHARABLE_CLASS(CGlxDataSourceTaskMdeIdList) : public CGlxDataSourceTaskMde,

    52                                                  public MGlxtnThumbnailCreatorClient

    53 

    54 	{

    55 public:

    56     /**

    57      * Constructor.

    58      * @param aRequest request to be executed.

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

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

    61      */

    62      CGlxDataSourceTaskMdeIdList(CGlxIdListRequest* aRequest, 

    63              MGlxDataSourceRequestObserver& aObserver, CGlxDataSource* aDataSource);

    64         

    65      /**

    66       * Destructor.

    67       */

    68      ~CGlxDataSourceTaskMdeIdList();

    69     	

    70 private: // from MGlxtnThumbnailCreatorClient

    71 	/**

    72 	 * Not used (pure virtual stubbed)

    73 	 * See @ref MGlxtnThumbnailCreatorClient::ThumbnailFetchComplete

    74 	 */ 

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

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

    77 	 

    78 	/**

    79 	 * Not used (pure virtual stubbed)

    80 	 * See @ref MGlxtnThumbnailCreatorClient::ThumbnailDeletionComplete

    81 	 */ 

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

    83              TInt /*aErrorCode*/) {};

    84 	 

    85 	/**

    86 	 * See @ref MGlxtnThumbnailCreatorClient::FilterAvailableComplete

    87 	 */ 

    88 	 void FilterAvailableComplete(const RArray<TGlxMediaId>& aIdArray,

    89 	                                         TInt aErrorCode);

    90 	/**

    91 	 * Not used (pure virtual stubbed)

    92 	 * See @ref MGlxtnThumbnailCreatorClient::FetchFileInfoL

    93 	 */ 

    94 	 void FetchFileInfoL(CGlxtnFileInfo* /*aInfo*/,

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

    96 	

    97     /**

    98 	 * Not used (pure virtual stubbed)

    99 	 * See @ref MGlxtnThumbnailCreatorClient::CancelFetchUri

   100 	 */ 

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

   102 	 

   103 	/**

   104 	 * Not used (pure virtual stubbed)

   105 	 * See @ref MGlxtnThumbnailCreatorClient::ThumbnailStorage

   106 	 */ 

   107 	 MGlxtnThumbnailStorage* ThumbnailStorage() { return NULL; };

   108 

   109 public: // From CGlxDataSourceTask    

   110     /**

   111      * See @ref CGlxDataSourceTask::ExecuteRequestL

   112      */ 

   113     void ExecuteRequestL();

   114 

   115 private: // from CGlxDataSourceTaskMde

   116     /**

   117      * See @ref CGlxDataSourceTask::DoHandleQueryCompletedL

   118      */ 

   119     void DoHandleQueryCompletedL(CMdEQuery& aQuery);

   120 

   121 private:

   122 	void DoHandleListQueryCompletedL();

   123 		

   124     void DoMonthListCreationL(CMdEQuery& aQuery, const TGlxFilterProperties& 

   125             aFilterProperties);

   126         

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

   128     

   129     void PostFilterL(const RArray<TGlxMediaId>& aFilteredList,

   130             const TGlxFilterProperties& aFilterProperties);                                                                            

   131 	};

   132 

   133 #endif // GLXDATASOURCETASKMDSIDLIST_H_