--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiservicetab/vimpstdetailsviewplugin/src/cvimpstdetailsimagedecoder.cpp	Wed Sep 01 12:33:36 2010 +0100
@@ -0,0 +1,180 @@
+/*
+* 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:  Utility class for asynchronously decoding the header thumbnail image
+ *
+*/
+
+ 
+#include "cvimpstdetailsimagedecoder.h"
+
+#include "cvimpstdetailsheadercontrol.h"
+
+#include <cbsbitmap.h>
+#include <imageconversion.h> 
+#include <bitmaptransforms.h>
+
+// ---------------------------------------------------------------------------
+// CVIMPSTDetailsImageDecoder::NewL
+// Two-phase construction
+// ---------------------------------------------------------------------------
+//
+CVIMPSTDetailsImageDecoder* CVIMPSTDetailsImageDecoder::NewL(CVIMPSTDetailsHeaderControl& aHeader, const TDesC8& aBitmapData)
+    {
+    CVIMPSTDetailsImageDecoder* self = new (ELeave) CVIMPSTDetailsImageDecoder(aHeader);
+    CleanupStack::PushL(self);
+    self->ConstructL(aBitmapData);
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTDetailsImageDecoder::CVIMPSTDetailsImageDecoder
+// First phase (C++) constructor
+// ---------------------------------------------------------------------------
+//
+CVIMPSTDetailsImageDecoder::CVIMPSTDetailsImageDecoder(CVIMPSTDetailsHeaderControl& aHeader) : 
+	CActive( CActive::EPriorityStandard ), iHeader(aHeader)
+    { 
+    CActiveScheduler::Add(this); 
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTDetailsImageDecoder::ConstructL
+// ConstructL, second phase constructor
+// ---------------------------------------------------------------------------
+//
+void CVIMPSTDetailsImageDecoder::ConstructL(const TDesC8& aBitmapData)
+    {
+    iBitmapData = aBitmapData.AllocL();
+    User::LeaveIfError( iFs.Connect() );   
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTDetailsImageDecoder::~CVIMPSTDetailsImageDecoder
+// ---------------------------------------------------------------------------
+//
+CVIMPSTDetailsImageDecoder::~CVIMPSTDetailsImageDecoder()
+    {
+    DoCancel();
+    if (iImgDecoder)
+        {
+        delete iImgDecoder;
+        iImgDecoder = NULL;
+        }
+    if (iBitmap)
+        {
+        delete iBitmap;
+        iBitmap = NULL;
+        }
+    if (iBitmapData)
+        {
+        delete iBitmapData;
+        iBitmapData = NULL;
+        }
+    if (iBitmapScaler)
+        {
+        delete iBitmapScaler;
+        iBitmapScaler = NULL;
+        }
+
+    iFs.Close();
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTDetailsImageDecoder::Start
+// Starts the decoding process
+// ---------------------------------------------------------------------------
+//
+void CVIMPSTDetailsImageDecoder::StartL(TSize aBitmapSize)
+    {
+    iDecoderState = ECcaConvertThumbnailImage;
+    iBitmapSize = aBitmapSize;
+    CreateBitmapL();
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTDetailsImageDecoder::RunL
+// Called by the active object framework when the decoding (request) is
+// completed.
+// ---------------------------------------------------------------------------
+//
+void CVIMPSTDetailsImageDecoder::RunL() 
+	{
+	User::LeaveIfError( iStatus.Int() );
+	switch ( iDecoderState )
+	    {
+	    case ECcaConvertThumbnailImage:
+	        {
+	        iDecoderState = ECcaScaleThumbnail;
+	        ScaleBitmapL();
+	        break;
+	        }
+	    case ECcaScaleThumbnail:
+	        {
+	        // don't delete
+	        // Ownership of the bitmap is transferred   
+	        iHeader.SetBitmap(iBitmap, NULL );
+	        iBitmap = NULL;
+	        }
+	    default:
+	        break;
+	    }	
+	
+   }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTDetailsImageDecoder::DoCancel
+// Called when the decoding (request) is cancelled for some reason.
+// ---------------------------------------------------------------------------
+//
+void CVIMPSTDetailsImageDecoder::DoCancel()
+    { 
+    iImgDecoder->Cancel(); 
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTDetailsImageDecoder::ScaleBitmapL
+// scaling it to fit to the screen
+// ---------------------------------------------------------------------------
+//
+void CVIMPSTDetailsImageDecoder::ScaleBitmapL()
+    {   
+    iBitmapScaler = CBitmapScaler::NewL();
+    iBitmapScaler->Scale( &iStatus, *iBitmap, iBitmapSize );
+    SetActive();
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTDetailsImageDecoder::CreateBitmapL
+// creates the bitmap
+// ---------------------------------------------------------------------------
+//
+
+void CVIMPSTDetailsImageDecoder::CreateBitmapL()
+    {
+    if ( iDecoderState == ECcaConvertThumbnailImage )
+        {
+        iImgDecoder = CImageDecoder::DataNewL( iFs, *iBitmapData, CImageDecoder::EOptionAlwaysThread );
+        }   
+   if ( !iBitmap )
+       {
+       TFrameInfo info = iImgDecoder->FrameInfo();
+       iBitmap = new ( ELeave ) CFbsBitmap;
+       User::LeaveIfError( iBitmap->Create( info.iOverallSizeInPixels, info.iFrameDisplayMode ));
+       } 
+    iStatus = KRequestPending;
+    iImgDecoder->Convert( &iStatus, *iBitmap );
+    SetActive();
+    }
+// end of file