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:   

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef GLXDATASOURCETASKMDETHUMBNAIL_H_

    21 #define GLXDATASOURCETASKMDETHUMBNAIL_H_

    22 

    23 /**

    24  * @author Simon Brooks, Alex Birkett

    25  */

    26 

    27 #include "glxdatasourcetaskmdeattribute.h"

    28 

    29 #include <mglxtnthumbnailcreatorclient.h>

    30 #include <glxthumbnailrequest.h>

    31 

    32 /**

    33  *  CGlxDataSourceTaskMdeThumnail class 

    34  *  Services thumbnail requests

    35  */

    36 NONSHARABLE_CLASS(CGlxDataSourceTaskMdeThumbnail) : public CGlxDataSourceTaskMde, 

    37 									                public MGlxtnThumbnailCreatorClient

    38 			                    	    

    39 	{

    40 public:

    41     /**

    42 	 * Constructor

    43 	 * @param aRequest thumbnail request to service

    44 	 * @param aObserver observer

    45 	 * @param aDataSource data source

    46 	 */

    47 	CGlxDataSourceTaskMdeThumbnail(CGlxThumbnailRequest* aRequest, 

    48 			MGlxDataSourceRequestObserver& aObserver, CGlxDataSource* aDataSource);

    49 

    50     /**

    51      * Destructor

    52      */

    53     ~CGlxDataSourceTaskMdeThumbnail();

    54 

    55 private: // From CGlxDataSourceTask     

    56     /**

    57      * See @ref CGlxDataSourceTask::ExecuteRequestL

    58      */ 

    59     void ExecuteRequestL();

    60     

    61     /**

    62      * See @ref CGlxDataSourceTask::HandleRequestComplete

    63      */ 

    64     void HandleRequestComplete(TInt aError);

    65 

    66 private: // From CGlxDataSourceTaskMde

    67     /**

    68      * See @ref CGlxDataSourceTaskMde::DoHandleQueryCompletedL

    69      */ 

    70     void DoHandleQueryCompletedL(CMdEQuery& aQuery);

    71 

    72 private: // From MGlxtnThumbnailCreatorClient

    73     /**

    74      * See @ref MGlxtnThumbnailCreatorClient::ThumbnailFetchComplete

    75      */ 

    76     void ThumbnailFetchComplete(const TGlxMediaId& aItemId,

    77                             TGlxThumbnailQuality aQuality, TInt aErrorCode);

    78             

    79     /**

    80      * See @ref MGlxtnThumbnailCreatorClient::ThumbnailDeletionComplete

    81      */

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

    83 

    84     /**

    85      * See @ref MGlxtnThumbnailCreatorClient::FilterAvailableComplete

    86      */

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

    88     

    89     /**

    90      * See @ref MGlxtnThumbnailCreatorClient::FetchFileInfoL

    91      */

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

    93                     TRequestStatus* aStatus);

    94       

    95     /**

    96      * See @ref MGlxtnThumbnailCreatorClient::CancelFetchUri

    97      */

    98     void CancelFetchUri(const TGlxMediaId& aItemId);

    99     

   100     /**

   101      * See @ref MGlxtnThumbnailCreatorClient::ThumbnailStorage

   102      */

   103     MGlxtnThumbnailStorage* ThumbnailStorage();

   104     			

   105  	void HandleThumbnailFetchCompleteL(const TGlxMediaId& aId,

   106 		TGlxThumbnailQuality aQuality);	

   107 	

   108  	void DoHandleContainerFirstItemQueryCompletedL();

   109     

   110  	void CompleteFetchFileInfoL(CMdEObject* aItem);

   111         

   112 private:

   113 	void CompleteThumbnailRequest(TInt aError);

   114 	

   115 private:

   116     CGlxtnFileInfo* iTnFileInfo;

   117 

   118     TRequestStatus* iTnRequestStatus;

   119 

   120     TBool iTnRequestInProgress;

   121 	};

   122 

   123 #endif // GLXDATASOURCETASKMDETHUMBNAIL_H_