--- /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 <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();
+	/**
+    * 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<HBufC> iBadFileArray;
+    /** Persistent thumbnail size classes */
+    RArray<TSize> iPersistentSizeClasses;
+    };
+
+#endif  // GLXTNFILEUTILITY_H