diff -r 000000000000 -r 4e91876724a2 photosgallery/collectionframework/thumbnailcreator/inc/glxtnfileutility.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/photosgallery/collectionframework/thumbnailcreator/inc/glxtnfileutility.h Thu Dec 17 08:45:44 2009 +0200 @@ -0,0 +1,113 @@ +/* +* 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: Utility for thumbnail tasks handling files +* +*/ + + + + +/** + * @internal reviewed 30/07/2007 by Simon Brooks + */ + +#ifndef GLXTNFILEUTILITY_H +#define GLXTNFILEUTILITY_H + +#include +#include + +/** + * Utility for thumbnail tasks handling files. + * + * @author Dan Rhodes + * @ingroup glx_thumbnail_creator + */ +NONSHARABLE_CLASS(CGlxtnFileUtility) : public CBase + { +public: // Constructors and destructor + + /** + * Two-phased constructor. + */ + static CGlxtnFileUtility* NewL(); + + /** + * Destructor. + */ + ~CGlxtnFileUtility(); + + /** + * Provide file server session for opening images from files. + */ + RFs& FsSession(); + + /** + * Test whether a file is on the bad file list. If so this method leaves. + * If not the bad file marker is set to the filename, so that if a panic + * occurs the file will be added to the bad file list. + * @param aFilename Path of file for which a thumbnail is to be generated. + */ + void CheckBadFileListL(const TDesC& aFilename); + + /** + * Clear the bad file marker. Called when processing a file is complete (no + * panic occurred). + */ + void ClearBadFileMarker(); + + /** + * Test whether a generated thumbnail should be stored in persistent storage. + * @param aSize Requested size of thumbnail. + */ + TBool IsPersistentSize(const TSize& aSize); + +private: + + /** + * C++ default constructor. + */ + CGlxtnFileUtility(); + + /** + * By default Symbian 2nd phase constructor is private. + */ + void ConstructL(); + + /** + * Read bad file list from file and add file from marker, if present. + */ + void ReadBadFileListL(); + /** + * Write bad file list to file. + */ + void WriteBadFileListL(); + /** + * calculates Grid Icon Size for landscape orientation and Fullscreen + * Image size depending on Layout defines. + */ + void LayoutSpecificDataL(); + +private: + /** File server session for opening images from files */ + RFs iFs; + /** Directory in which to store bad file list and marker */ + TFileName iBadFileDir; + /** Filenames of media files which cause panics when decoding */ + RPointerArray iBadFileArray; + /** Persistent thumbnail size classes */ + RArray iPersistentSizeClasses; + }; + +#endif // GLXTNFILEUTILITY_H