1 /*

     2 * Copyright (c) 2006 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 MDE Thumbnail

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef GLXDATASOURCETASKMDETHUMBNAIL_H_

    22 #define GLXDATASOURCETASKMDETHUMBNAIL_H_

    23 

    24 /**

    25  * @author Simon Brooks, Alex Birkett

    26  */

    27 

    28 #include "glxdatasourcetaskmdeattribute.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     /**

    70      * See @ref CGlxDataSourceTask::HandleRequestComplete

    71      */ 

    72     void HandleRequestComplete(TInt aError);

    73 

    74 private: // From CGlxDataSourceTaskMde

    75     /**

    76      * See @ref CGlxDataSourceTaskMde::DoHandleQueryCompletedL

    77      */ 

    78     void DoHandleQueryCompletedL(CMdEQuery& aQuery);

    79 

    80 #ifdef USE_S60_TNM

    81 private: //MThumbnailFetchRequestObserver

    82     void ThumbnailFetchComplete(TInt aError);

    83     void FetchFileInfoL();

    84 #endif

    85 

    86 private: // From MGlxtnThumbnailCreatorClient

    87     /**

    88      * See @ref MGlxtnThumbnailCreatorClient::ThumbnailFetchComplete

    89      */ 

    90     void ThumbnailFetchComplete(const TGlxMediaId& aItemId,

    91                             TGlxThumbnailQuality aQuality, TInt aErrorCode);

    92             

    93     /**

    94      * See @ref MGlxtnThumbnailCreatorClient::ThumbnailDeletionComplete

    95      */

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

    97 

    98     /**

    99      * See @ref MGlxtnThumbnailCreatorClient::FilterAvailableComplete

   100      */

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

   102     

   103     /**

   104      * See @ref MGlxtnThumbnailCreatorClient::FetchFileInfoL

   105      */

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

   107                     TRequestStatus* aStatus);

   108       

   109     /**

   110      * See @ref MGlxtnThumbnailCreatorClient::CancelFetchUri

   111      */

   112     void CancelFetchUri(const TGlxMediaId& aItemId);

   113     

   114     /**

   115      * See @ref MGlxtnThumbnailCreatorClient::ThumbnailStorage

   116      */

   117     MGlxtnThumbnailStorage* ThumbnailStorage();

   118     			

   119 private:

   120  	void HandleThumbnailFetchCompleteL(const TGlxMediaId& aId,

   121 		TGlxThumbnailQuality aQuality);	

   122 	

   123  	void DoHandleContainerFirstItemQueryCompletedL();

   124     

   125  	void CompleteFetchFileInfoL(CMdEObject* aItem);

   126         

   127 private:

   128 	void CompleteThumbnailRequest(TInt aError);

   129 	

   130 private:

   131     CGlxtnFileInfo* iTnFileInfo;

   132 

   133     TRequestStatus* iTnRequestStatus;

   134 

   135     TBool iTnRequestInProgress;

   136 	};

   137 

   138 #endif // GLXDATASOURCETASKMDETHUMBNAIL_H_