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:   

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef GLXDATASOURCETASKMDSTHUMBNAIL_H_

    21 #define GLXDATASOURCETASKMDSTHUMBNAIL_H_

    22 

    23 /**

    24  * @author Simon Brooks, Alex Birkett

    25  */

    26 

    27 #include "glxdatasourcetaskmdsattribute.h"

    28 

    29 #ifdef USE_S60_TNM

    30 #include "mthumbnailfetchrequestobserver.h"

    31 #endif

    32 

    33 #include <mglxtnthumbnailcreatorclient.h>

    34 #include <glxthumbnailrequest.h>

    35 

    36 /**

    37  *  CGlxDataSourceTaskMdeThumnail class 

    38  *  Services thumbnail requests

    39  */

    40 NONSHARABLE_CLASS(CGlxDataSourceTaskMdeThumbnail) : public CGlxDataSourceTaskMde 

    41 #ifdef USE_S60_TNM

    42 									                , public MThumbnailFetchRequestObserver

    43 #else									                

    44 									                , public MGlxtnThumbnailCreatorClient

    45 #endif									                

    46 	{

    47 public:

    48     /**

    49 	 * Constructor

    50 	 * @param aRequest thumbnail request to service

    51 	 * @param aObserver observer

    52 	 * @param aDataSource data source

    53 	 */

    54 	CGlxDataSourceTaskMdeThumbnail(CGlxThumbnailRequest* aRequest, 

    55 			MGlxDataSourceRequestObserver& aObserver, CGlxDataSource* aDataSource);

    56 

    57     /**

    58      * Destructor

    59      */

    60     ~CGlxDataSourceTaskMdeThumbnail();

    61 

    62 private: // From CGlxDataSourceTask     

    63     /**

    64      * See @ref CGlxDataSourceTask::ExecuteRequestL

    65      */ 

    66     void ExecuteRequestL();

    67     /**

    68      * See @ref CGlxDataSourceTask::HandleRequestComplete

    69      */ 

    70     void HandleRequestComplete(TInt aError);

    71 

    72 private: // From CGlxDataSourceTaskMde

    73     /**

    74      * See @ref CGlxDataSourceTaskMde::DoHandleQueryCompletedL

    75      */ 

    76     void DoHandleQueryCompletedL(CMdEQuery& aQuery);

    77 

    78 #ifdef USE_S60_TNM

    79 private: //MThumbnailFetchRequestObserver

    80     void ThumbnailFetchComplete(TInt aError);

    81     void FetchFileInfoL();

    82 #endif

    83 

    84 private: // From MGlxtnThumbnailCreatorClient

    85     /**

    86      * See @ref MGlxtnThumbnailCreatorClient::ThumbnailFetchComplete

    87      */ 

    88     void ThumbnailFetchComplete(const TGlxMediaId& aItemId,

    89                             TGlxThumbnailQuality aQuality, TInt aErrorCode);

    90             

    91     /**

    92      * See @ref MGlxtnThumbnailCreatorClient::ThumbnailDeletionComplete

    93      */

    94     void ThumbnailDeletionComplete(const TGlxMediaId& aItemId, TInt aErrorCode);

    95 

    96     /**

    97      * See @ref MGlxtnThumbnailCreatorClient::FilterAvailableComplete

    98      */

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

   100     

   101     /**

   102      * See @ref MGlxtnThumbnailCreatorClient::FetchFileInfoL

   103      */

   104     void FetchFileInfoL(CGlxtnFileInfo* aInfo, const TGlxMediaId& aItemId,

   105                     TRequestStatus* aStatus);

   106       

   107     /**

   108      * See @ref MGlxtnThumbnailCreatorClient::CancelFetchUri

   109      */

   110     void CancelFetchUri(const TGlxMediaId& aItemId);

   111     

   112     /**

   113      * See @ref MGlxtnThumbnailCreatorClient::ThumbnailStorage

   114      */

   115     MGlxtnThumbnailStorage* ThumbnailStorage();

   116     			

   117 private:

   118 	void HandleThumbnailFetchCompleteL(const TGlxMediaId& aId,

   119 		TGlxThumbnailQuality aQuality);	

   120 	

   121 	void DoHandleContainerFirstItemQueryCompletedL();

   122     

   123 	void CompleteFetchFileInfoL(CMdEObject* aItem);

   124         

   125 private:

   126 	void CompleteThumbnailRequest(TInt aError);

   127 	

   128 private:

   129     CGlxtnFileInfo* iTnFileInfo;

   130 

   131     TRequestStatus* iTnRequestStatus;

   132 

   133     TBool iTnRequestInProgress;

   134 

   135 	TTime iStartTime;

   136 	TTime iStopTime;	

   137 	};

   138 

   139 #endif // GLXDATASOURCETASKMDSTHUMBNAIL_H_