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 thumbnail Class

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef GLXDATASOURCETASKMDSTHUMBNAIL_H_

    22 #define GLXDATASOURCETASKMDSTHUMBNAIL_H_

    23 

    24 /**

    25  * @author Simon Brooks, Alex Birkett

    26  */

    27 

    28 #include "glxdatasourcetaskmdsattribute.h"

    29 

    30 #ifdef USE_S60_TNM

    31 #include "mthumbnailfetchrequestobserver.h"

    32 #endif

    33 

    34 #include <mglxtnthumbnailcreatorclient.h>

    35 #include <glxthumbnailrequest.h>

    36 

    37 /**

    38  *  CGlxDataSourceTaskMdeThumnail class 

    39  *  Services thumbnail requests

    40  */

    41 NONSHARABLE_CLASS(CGlxDataSourceTaskMdeThumbnail) : public CGlxDataSourceTaskMde 

    42 #ifdef USE_S60_TNM

    43 									                , public MThumbnailFetchRequestObserver

    44 #else									                

    45 									                , public MGlxtnThumbnailCreatorClient

    46 #endif									                

    47 	{

    48 public:

    49     /**

    50 	 * Constructor

    51 	 * @param aRequest thumbnail request to service

    52 	 * @param aObserver observer

    53 	 * @param aDataSource data source

    54 	 */

    55 	CGlxDataSourceTaskMdeThumbnail(CGlxThumbnailRequest* aRequest, 

    56 			MGlxDataSourceRequestObserver& aObserver, CGlxDataSource* aDataSource);

    57 

    58     /**

    59      * Destructor

    60      */

    61     ~CGlxDataSourceTaskMdeThumbnail();

    62 

    63 private: // From CGlxDataSourceTask     

    64     /**

    65      * See @ref CGlxDataSourceTask::ExecuteRequestL

    66      */ 

    67     void ExecuteRequestL();

    68     /**

    69      * See @ref CGlxDataSourceTask::HandleRequestComplete

    70      */ 

    71     void HandleRequestComplete(TInt aError);

    72 

    73 private: // From CGlxDataSourceTaskMde

    74     /**

    75      * See @ref CGlxDataSourceTaskMde::DoHandleQueryCompletedL

    76      */ 

    77     void DoHandleQueryCompletedL(CMdEQuery& aQuery);

    78 

    79 #ifdef USE_S60_TNM

    80 private: //MThumbnailFetchRequestObserver

    81     void ThumbnailFetchComplete(TInt aError, TBool aQuality);

    82     void FetchFileInfoL();

    83 #endif

    84 

    85 private: // From MGlxtnThumbnailCreatorClient

    86     /**

    87      * See @ref MGlxtnThumbnailCreatorClient::ThumbnailFetchComplete

    88      */ 

    89     void ThumbnailFetchComplete(const TGlxMediaId& aItemId,

    90                             TGlxThumbnailQuality aQuality, TInt aErrorCode);

    91             

    92     /**

    93      * See @ref MGlxtnThumbnailCreatorClient::ThumbnailDeletionComplete

    94      */

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

    96 

    97     /**

    98      * See @ref MGlxtnThumbnailCreatorClient::FilterAvailableComplete

    99      */

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

   101     

   102     /**

   103      * See @ref MGlxtnThumbnailCreatorClient::FetchFileInfoL

   104      */

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

   106                     TRequestStatus* aStatus);

   107       

   108     /**

   109      * See @ref MGlxtnThumbnailCreatorClient::CancelFetchUri

   110      */

   111     void CancelFetchUri(const TGlxMediaId& aItemId);

   112     

   113     /**

   114      * See @ref MGlxtnThumbnailCreatorClient::ThumbnailStorage

   115      */

   116     MGlxtnThumbnailStorage* ThumbnailStorage();

   117     			

   118 private:

   119 	void HandleThumbnailFetchCompleteL(const TGlxMediaId& aId,

   120 		TGlxThumbnailQuality aQuality);	

   121 	

   122 	void DoHandleContainerFirstItemQueryCompletedL();

   123     

   124 	void CompleteFetchFileInfoL(CMdEObject* aItem);

   125         

   126 private:

   127 	void CompleteThumbnailRequest(TInt aError);

   128 	

   129 private:

   130     CGlxtnFileInfo* iTnFileInfo;

   131 

   132     TRequestStatus* iTnRequestStatus;

   133 

   134     TBool iTnRequestInProgress;

   135 	};

   136 

   137 #endif // GLXDATASOURCETASKMDSTHUMBNAIL_H_