--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/engine/collectionframework/thumbnailcreator/inc/glxtnfileutility.h Fri Mar 19 09:28:59 2010 +0200
@@ -0,0 +1,107 @@
+/*
+* 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 <e32base.h>
+#include <f32file.h>
+
+/**
+ * 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();
+
+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<HBufC> iBadFileArray;
+ /** Persistent thumbnail size classes */
+ RArray<TSize> iPersistentSizeClasses;
+ };
+
+#endif // GLXTNFILEUTILITY_H