--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/Phonebook2/UIControls/inc/CPbk2ThumbnailScaler.h	Wed Sep 01 12:29:52 2010 +0100
@@ -0,0 +1,108 @@
+/*
+* Copyright (c) 2002-2007 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 scaling bitmaps for the thumbnail control.
+*
+*/
+
+
+#ifndef CPBK2THUMBNAILSCALER_H
+#define CPBK2THUMBNAILSCALER_H
+
+// INCLUDES
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class CFbsBitmap;
+class CBitmapScaler;
+
+/**
+ * Observer interface for the scaling process.
+ */
+NONSHARABLE_CLASS(MPbk2ThumbnailScalerObserver)
+    {
+    public:
+        /**
+         * Called when the thumbnail scaling completes.
+         * @param aError KErrNone if the scaling was done successfully,
+         *               otherwise one of the system wide error codes.
+         * @param aBitmap Result of the scaling operation
+         *                callee takes the ownership.
+         */
+        virtual void ThumbnailScalingComplete
+            (TInt aError, CFbsBitmap* aBitmap) = 0;
+    };
+
+/**
+ * Class for scaling bitmaps for the thumbnail control.
+ */
+NONSHARABLE_CLASS(CPbk2ThumbnailScaler) : 
+        public CActive
+    {
+    public:
+        /**
+         * Static 2-phased constructor.
+         * @param aObserver Observer for the scaling process.
+         * @return Newly created instance of CPbk2ThumbnailScaler.
+         */
+        static CPbk2ThumbnailScaler* NewL
+            (MPbk2ThumbnailScalerObserver& aObserver);
+
+        /**
+         * Standard C++ destructor.
+         */
+        ~CPbk2ThumbnailScaler();
+    public: // interface
+        /**
+         * Creates thumbnail from the givan bitmap.
+         * @param aBitmap Bitmap that will be converted to thumbnail.
+         *                This class takes ownership of the bitmap.
+         */
+        void CreateThumbnail(CFbsBitmap* aBitmap);
+
+    private: // From CActive
+        void RunL();
+        void DoCancel();
+        TInt RunError(TInt aError);
+
+    private: // Implementation
+        /**
+         * C++ constructor.
+         * @param aObserver Observer for the scaling process.
+         */
+        CPbk2ThumbnailScaler(MPbk2ThumbnailScalerObserver& aObserver);
+
+        /**
+         * Starts the scaling process.
+         * @param aBitmap The bitmap to be scaled.
+         * @param aSize Target size of the bitmap.
+         */
+        void StartScaleL(CFbsBitmap* aBitmap, const TSize& aSize);
+
+        /**
+         * Crops the bitmap if needed.
+         * @param aBitmap Bitmap to be cropped.
+         */
+        void DoCropL(CFbsBitmap* aBitmap);
+    private: // Data
+        /// Ref: Observer for the scaling process.
+        MPbk2ThumbnailScalerObserver& iObserver;
+        /// Own: Bitmap scaler
+        CBitmapScaler* iScaler;
+        /// Own: The bitmap that is scaled.
+        CFbsBitmap* iBitmap;
+    };
+
+#endif // CPBK2THUMBNAILSCALER_H
+//End of file