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:    Class for removing a fetch context from a list 

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef T_GLXFETCHCONTEXTREMOVER_H

    22 #define T_GLXFETCHCONTEXTREMOVER_H

    23 

    24 #include <e32base.h>

    25 

    26 // Forward declarations

    27 class MGlxFetchContext; 

    28 class MGlxMediaList; 

    29 	

    30 /**

    31  * Class that removes the given fetch context from a media list when goes out 

    32  * of scope. Use this to avoid trap, and to achieve safe cleanup, when a fetch

    33  * context is created and used within a function.

    34  *

    35  * Note: the media list must not have been deleted when the destructor of this

    36  * class is called.

    37  *

    38  */

    39 class TGlxFetchContextRemover 

    40     {

    41 public:

    42     /**

    43      * Constructor

    44      * @param aContext the context to remove upon destruction

    45      * @param aMediaList List from which to remove the context

    46      */

    47     IMPORT_C TGlxFetchContextRemover(MGlxFetchContext* aContext, MGlxMediaList& aMediaList);

    48     /** 

    49      * Destructor 

    50      */

    51     IMPORT_C ~TGlxFetchContextRemover();

    52     

    53     /** 

    54      * Remove the context from the list 

    55      */

    56     IMPORT_C void Close();

    57     

    58 private:

    59     /// Context that needs to be removed upon destruction

    60     MGlxFetchContext* iContext;

    61     

    62     /// Media list from which to remove the context from

    63     MGlxMediaList& iMediaList;

    64     };

    65 

    66 #endif // T_GLXFETCHCONTEXTREMOVER_H