diff -r 000000000000 -r 4e91876724a2 photosgallery/viewframework/medialists/inc/glxfetchcontextremover.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/photosgallery/viewframework/medialists/inc/glxfetchcontextremover.h Thu Dec 17 08:45:44 2009 +0200 @@ -0,0 +1,66 @@ +/* +* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: Class for removing a fetch context from a list +* +*/ + + + + +#ifndef T_GLXFETCHCONTEXTREMOVER_H +#define T_GLXFETCHCONTEXTREMOVER_H + +#include + +// Forward declarations +class MGlxFetchContext; +class MGlxMediaList; + +/** + * Class that removes the given fetch context from a media list when goes out + * of scope. Use this to avoid trap, and to achieve safe cleanup, when a fetch + * context is created and used within a function. + * + * Note: the media list must not have been deleted when the destructor of this + * class is called. + * + */ +class TGlxFetchContextRemover + { +public: + /** + * Constructor + * @param aContext the context to remove upon destruction + * @param aMediaList List from which to remove the context + */ + IMPORT_C TGlxFetchContextRemover(MGlxFetchContext* aContext, MGlxMediaList& aMediaList); + /** + * Destructor + */ + IMPORT_C ~TGlxFetchContextRemover(); + + /** + * Remove the context from the list + */ + IMPORT_C void Close(); + +private: + /// Context that needs to be removed upon destruction + MGlxFetchContext* iContext; + + /// Media list from which to remove the context from + MGlxMediaList& iMediaList; + }; + +#endif // T_GLXFETCHCONTEXTREMOVER_H