--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imagehandlingutilities/thumbnailmanager/plugins/image/src/thumbnailimagedecoderv2.cpp	Tue Jan 26 15:18:05 2010 +0200
@@ -0,0 +1,199 @@
+/*
+* Copyright (c) 2006-2007 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:  Image thumbnail decoder
+ *
+*/
+
+
+//INCLUDE FILES
+#include <e32base.h>
+#include <imageconversion.h>
+#include <exifread.h>
+
+#include <iclextjpegapi.h>
+#include "thumbnailimagedecoderv2.h"
+#include "thumbnaillog.h"
+#include "thumbnailpanic.h"
+#include "thumbnailmanagerconstants.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+//------------------------------------------------------------------------
+// CThumbnailImageDecoder::CThumbnailImageDecoder()
+// C++ default constructor can NOT contain any code, that might leave.
+// ---------------------------------------------------------------------------
+//
+CThumbnailImageDecoderv2::CThumbnailImageDecoderv2( RFs& aFs): CActive(
+    EPriorityStandard ), iFs( aFs )
+    {
+    CActiveScheduler::Add( this );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailImageDecoder::~CThumbnailImageDecoder()
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CThumbnailImageDecoderv2::~CThumbnailImageDecoderv2()
+    {
+    Release();
+    }
+
+
+// -----------------------------------------------------------------------------
+// CThumbnailImageDecoder::CreateL()
+// Creates thumbnail of image
+// -----------------------------------------------------------------------------
+//
+void CThumbnailImageDecoderv2::CreateL(TDesC8& aBuffer, MThumbnailProviderObserver& aObserver)
+    {
+    TN_DEBUG1( "CThumbnailImageDecoderv2::CreateL() start" );
+
+    iBuffer = &aBuffer;
+    iObserver = &aObserver;
+
+    CreateDecoderL();
+    
+    TN_DEBUG1( "CThumbnailImageDecoderv2::CreateL() end" );
+    }
+
+// -----------------------------------------------------------------------------
+// CThumbnailImageDecoder::DecodeL()
+// Decode the thumbnail image
+// -----------------------------------------------------------------------------
+//
+void CThumbnailImageDecoderv2::DecodeL( )
+    {
+    TN_DEBUG1( "CThumbnailImageDecoderv2::DecodeL() start" );
+    
+    // Create the bitmap
+    if ( !iBitmap )
+        {
+        iBitmap = new( ELeave )CFbsBitmap();
+        }
+    
+	//set displaymode from global constants
+    User::LeaveIfError( iBitmap->Create( iDecoder->FrameInfo().iOverallSizeInPixels, iDecoder->FrameInfo().iFrameDisplayMode) );
+
+    iDecoder->Convert( &iStatus, * iBitmap );
+    while ( iStatus == KErrUnderflow )
+        {
+        iDecoder->ContinueConvert( &iStatus );
+        }
+    SetActive();  
+    
+    TN_DEBUG1( "CThumbnailImageDecoderv2::DecodeL() end" );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CThumbnailImageDecoder::Release()
+// Releases resources
+// -----------------------------------------------------------------------------
+//
+void CThumbnailImageDecoderv2::Release()
+    {
+    Cancel();
+    delete iDecoder;
+    iDecoder = NULL;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CThumbnailImageDecoder::DoCancel()
+// -----------------------------------------------------------------------------
+//
+void CThumbnailImageDecoderv2::DoCancel()
+    {
+    if ( iDecoder )
+        {
+        iDecoder->Cancel();
+        delete iDecoder;
+        iDecoder = NULL;
+        }
+    }
+
+
+// -----------------------------------------------------------------------------
+// CThumbnailImageDecoder::RunL()
+// -----------------------------------------------------------------------------
+//
+void CThumbnailImageDecoderv2::RunL()
+    {
+    // This call takes ownership of iBitmap
+    // EXIF always false
+    // Rotated always false
+    iObserver->ThumbnailProviderReady( iStatus.Int(), iBitmap, iOriginalSize, EFalse, EFalse);
+
+    iBitmap = NULL; // owned by server now
+    iBuffer = NULL;
+    Release();
+    }
+
+
+// -----------------------------------------------------------------------------
+// CThumbnailImageDecoder::CreateDecoderL
+// Creates image decoder
+// -----------------------------------------------------------------------------
+//
+void CThumbnailImageDecoderv2::CreateDecoderL()
+    {
+    TN_DEBUG1( "CThumbnailImageDecoderv2::CreateDecoderL() start" );
+    
+    delete iDecoder;
+    iDecoder = NULL;
+    
+    CImageDecoder::TOptions options = ( CImageDecoder::TOptions )( 
+            CImageDecoder::EOptionNoDither | CImageDecoder::EPreferFastDecode );
+
+    TRAPD( decErr, iDecoder = CExtJpegDecoder::DataNewL( 
+            CExtJpegDecoder::EHwImplementation, iFs, *iBuffer, options ));
+                    
+    if ( decErr != KErrNone )
+        {
+        TRAP( decErr, iDecoder = CExtJpegDecoder::DataNewL(
+                CExtJpegDecoder::ESwImplementation, iFs, *iBuffer, options ));
+        
+        if ( decErr != KErrNone )
+            {
+            TRAP( decErr, iDecoder = CImageDecoder::DataNewL( iFs, *iBuffer, KJpegMime(), options ) );
+            
+            if ( decErr != KErrNone )
+                {                        
+                // don't force any mime type
+                TRAPD( decErr, iDecoder = CImageDecoder::DataNewL( iFs, *iBuffer, options ) );
+                if ( decErr != KErrNone )
+                    {                    
+                    TN_DEBUG1( "CThumbnailImageDecoderv2::CreateDecoderL() - error" );
+                    
+                    User::Leave( decErr );
+                    }
+                }
+            
+            TN_DEBUG1( "CThumbnailImageDecoderv2::CreateDecoderL() - CImageDecoder created" );
+            }
+        else
+            {
+            TN_DEBUG1( "CThumbnailImageDecoderv2:CreateDecoderL() - SW CExtJpegDecoder created" );
+            }               
+        }
+    else
+        {
+        TN_DEBUG1( "CThumbnailImageDecoderv2::CreateDecoderL() - HW CExtJpegDecoder created" );
+        }
+     
+    TN_DEBUG1( "CThumbnailImageDecoderv2::CreateDecoderL() end" );
+    }
+
+//End of file