--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/collectionframework/thumbnailcreator/inc/glxtngeneratethumbnailtask.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,118 @@
+/*
+* 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:    Classes for thumbnail-related tasks.
+*
+*/
+
+
+
+
+/**
+ * @internal reviewed 30/07/2007 by Simon Brooks
+ */
+
+#ifndef C_GLXTNGENERATETHUMBNAILTASK_H
+#define C_GLXTNGENERATETHUMBNAILTASK_H
+
+#include "glxtnloadthumbnailtask.h"
+
+class CGlxtnFileInfo;
+class CGlxtnFileUtility;
+class CGlxtnImageUtility;
+class CGlxtnVideoUtility;
+class CFbsBitmap;
+class CImageDecoder;
+class RFs;
+
+/**
+ * Task to generate a high quality thumbnail for a media item.
+ *
+ * An instance of CImageDecoder is constructed to produce a bitmap from the
+ * image file, scaling to the smallest possible size not smaller than the
+ * required size.
+ *
+ * The task then uses ADIS to scale to the exact size required, and also uses
+ * the sharpening and IETD algorithms to enhance the image.
+ *
+ * @ingroup glx_thumbnail_creator
+ */
+NONSHARABLE_CLASS( CGlxtnGenerateThumbnailTask )
+        : public CGlxtnLoadThumbnailTask
+    {
+public:
+    /**
+    * Two-phased constructor.
+    * @param aRequestInfo Parameters for the thumbnail request.
+    * @param aFileUtility File utility for use by the task.
+    * @param aClient Client initiating the request.
+    */
+	static CGlxtnGenerateThumbnailTask* NewL(
+	    const TGlxThumbnailRequest& aRequestInfo,
+	    CGlxtnFileUtility& aFileUtility, MGlxtnThumbnailCreatorClient& aClient);
+    /**
+    * Destructor.
+    */
+	~CGlxtnGenerateThumbnailTask();
+
+protected:  // From CGlxtnTask
+    void SetManager(CGlxtnTaskManager* aManager);
+    virtual TBool DoStartL(TRequestStatus& aStatus);
+	virtual void DoCancel();
+	virtual TBool DoRunL(TRequestStatus& aStatus); 
+    TBool DoRunError(TInt aError);
+
+private:
+    /**
+    * C++ default constructor.
+    * @param aRequestInfo Parameters for the thumbnail request.
+    * @param aFileUtility File utility for use by the task.
+    * @param aClient Client initiating the request.
+    */
+    CGlxtnGenerateThumbnailTask(const TGlxThumbnailRequest& aRequestInfo,
+        CGlxtnFileUtility& aFileUtility, MGlxtnThumbnailCreatorClient& aClient);
+    /**
+    * Symbian 2nd phase constructor.
+    * @param aBitmapHandle Handle to bitmap in which to store the thumbnail.
+    */
+	void ConstructL(TInt aBitmapHandle);
+
+    /**
+    * Start asynchronous decoding process for a high quality thumbnail.
+    * @param aStatus Request status for the asynchronous operation.
+    */
+    void HighQualityDecodeL( TRequestStatus& aStatus );
+    /**
+    * @return ETrue if viewing the requested thumbnail size would require
+    *       DRM rights.
+    */
+    TBool SizeRequiresDrmRights();
+
+private:
+    /** Pointer to task manager (not owned) */
+    CGlxtnTaskManager* iTaskManager;
+    /** Utility to get thumbnail from image (owned) */
+    CGlxtnImageUtility* iImageUtility;
+    /** Utility to get thumbnail from video (owned) */
+    CGlxtnVideoUtility* iVideoUtility;
+    /** Image loaded from file (owned) */
+    CFbsBitmap* iImage;
+    /** Whether current item is a video */
+    TBool iVideo;
+    /** Whether current file is DRM protected */
+    TBool iProtected;
+    /** Flag to show BadFileMarker not created so no need to delete **/
+    TBool iBadFileMarkerNotNeededFlag;
+    };
+        
+#endif // C_GLXTNGENERATETHUMBNAILTASK_H