--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servicewidget/servicewidgetdatapublisher/inc/cservicewidgetimagedecoder.h	Wed Sep 01 12:33:36 2010 +0100
@@ -0,0 +1,176 @@
+/*
+* Copyright (c) 2008 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:  presene avatar decoder handler 
+ *                
+ *
+*/
+
+ 
+#ifndef CSERVICEWIDGETIMAGEDECODER_H
+#define CSERVICEWIDGETIMAGEDECODER_H
+
+#include <e32base.h>
+#include <f32file.h>
+
+class CImageDecoder;
+class CBitmapScaler;
+class CFbsBitmap;
+class CImageEncoder;
+
+/**
+ * decode notification class
+ *
+ *  @lib servicewidgetdatapublisher.dll
+ *  @since S60 v5.0
+ */
+ 
+class MServiceWidgetImagerDecodeObserver
+	{
+	public :
+			/**
+			* HandlerDecodeComplete notification once decode complete
+			* @param aBitmap decoded bitmap
+			* @since S60 v5.0 
+			* takes the ownership of aBitmap
+			*/
+			virtual void HandlerDecodeCompleteL() = 0 ;
+			
+			/**
+			* virtaul Destructor
+			* @since S60 v5.0 
+			*/
+			virtual ~MServiceWidgetImagerDecodeObserver()
+				{
+					
+				}
+	};
+
+/**
+ * Utility class for asynchronously decoding the header thumbnail image
+ *
+ *  @lib servicewidgetdatapublisher.dll
+ *  @since S60 v5.0
+ */
+
+class CServiceWidgetImageDecoder : public CActive
+    {
+    enum TSWDEOperationId
+	    {
+	    EOpUnknown = -1,
+	    EOpEncodeBitmap,
+	    EOpComplete	
+	    };
+public:
+    /**
+     * Two-phased constructor
+     * 
+     * @param aHeader The header control to which the bitmap is to be inserted after loading
+     * @param aBitmapData Descriptor containing the bitmap data stream
+     * @return a instance of same class
+     * @since S60 v5.0 
+     */
+    static CServiceWidgetImageDecoder* NewL(MServiceWidgetImagerDecodeObserver& aObserver );
+    
+    /**
+     * Destructor
+	 * @since S60 v5.0 
+     */
+    ~CServiceWidgetImageDecoder();
+    
+    /**
+     * Starts the decoding process
+     * @since S60 v5.0 
+     * @param aBitmapData Descriptor containing the bitmap data stream
+     *
+     */
+    void StartDecodingL( const TDesC8& aBitmapData );
+    
+    /**
+     * From CActive
+     * (see details from baseclass )
+     * @since S60 v5.0 
+     */
+    void RunL();
+    
+    /**
+     * From CActive
+     * (see details from baseclass )
+     * @since S60 v5.0 
+     */
+    void DoCancel();
+private:
+    /**
+     * First-phase (C++) constructor
+     * @param aHeader The header control to which the bitmap is to be inserted after loading
+     * @since S60 v5.0  
+     */
+    CServiceWidgetImageDecoder(MServiceWidgetImagerDecodeObserver& aObserver);
+    
+    /**
+     * Second phase constructor
+     * @since S60 v5.0 
+     */
+    void ConstructL();
+    
+    /**
+     * helper to do encoding
+     * @since S60 v5.0 
+     */
+    void StartEncodingL();
+  
+ private : // data  
+    
+  
+    /**
+     * Not Owns : notify once complete
+     */
+    MServiceWidgetImagerDecodeObserver& iObserver;
+
+
+    /**
+     * Owns : The image decoder whose service is called to decode the image
+     */
+    CImageDecoder* iImgDecoder;
+    
+    /**
+     * Owns : The image encoder whose service is called to decode the image
+     */
+    CImageEncoder* iImageEncoder;
+      
+    /**
+     * Owns : Handle to the file server session for loading the bitmap
+     */ 
+    RFs iFs;
+    
+    /**
+     * The bitmap.
+     * Owned until decoding is complete, then ownersip is transferred to header control.
+     */
+    CFbsBitmap* iBitmap; // owned until completion
+    
+    /**
+     * Owns : Copy of the bitmap data stream
+     */
+    HBufC8* iBitmapData;
+    
+     /**
+     * Owns : Copy of mimeType
+     */
+    HBufC8* iMimeType;
+    
+    // next operation to perform
+    TSWDEOperationId iNextOperationId;
+    };
+
+#endif /*CSERVICEWIDGETIMAGEDECODER_H*/