--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imagehandlingutilities/thumbnailmanager/thumbnailserver/src/thumbnaildecodetask.cpp	Tue Jan 26 15:18:05 2010 +0200
@@ -0,0 +1,175 @@
+/*
+* 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:  Task for generating new thumbnails
+ *
+*/
+
+
+#include <e32base.h>
+#include <fbs.h>
+
+#include <thumbnailmanager.h>
+
+#include "thumbnaildecodetask.h"
+#include "thumbnailprovider.h"
+#include "thumbnailserver.h"
+#include "thumbnaillog.h"
+#include "thumbnailpanic.h"
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CThumbnailDecodeTask::CThumbnailDecodeTask()
+// C++ default constructor can NOT contain any code, that might leave.
+// ---------------------------------------------------------------------------
+//
+CThumbnailDecodeTask::CThumbnailDecodeTask( CThumbnailTaskProcessor& aProcessor, 
+        CThumbnailServer& aServer, TDesC8* aBuffer, TInt aPriority, TDisplayMode aDisplayMode): CThumbnailTask( aProcessor,
+    aPriority ), iServer( aServer ), iBuffer(aBuffer), iDisplayMode(aDisplayMode)
+    {
+    TN_DEBUG3( "CThumbnailDecodeTask(0x%08x)::CThumbnailDecodeTask() aDisplayMode = %d", this
+        , iDisplayMode);
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailDecodeTask::~CThumbnailDecodeTask()
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CThumbnailDecodeTask::~CThumbnailDecodeTask()
+    {
+    if ( iProvider )
+        {
+        iProvider->CancelGetThumbnail();
+        } 
+    
+    iProvider = NULL;
+    delete iBuffer;
+    iBuffer = NULL;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailDecodeTask::StartL()
+// ---------------------------------------------------------------------------
+//
+void CThumbnailDecodeTask::StartL()
+    {
+    TN_DEBUG2( "CThumbnailDecodeTask(0x%08x)::StartL()", this );
+
+    CThumbnailTask::StartL();
+
+    const TPtrC8 mimeType = KJpegMime();
+
+    iProvider = iServer.ResolveProviderL( mimeType );
+    TN_DEBUG3( "CThumbnailDecodeTask(0x%08x) -- provider UID 0x%08x", this,
+        iProvider->Uid());
+
+    __ASSERT_DEBUG(( iProvider ), ThumbnailPanic( EThumbnailNullPointer ));
+
+    iProvider->CancelGetThumbnail();
+    iProvider->Reset();
+    iProvider->SetObserver( *this );
+
+    iProvider->GetThumbnailL( iServer.Fs(), *iBuffer );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailDecodeTask::RunL()
+// ---------------------------------------------------------------------------
+//
+void CThumbnailDecodeTask::RunL()
+    {
+    // No implementation required
+    TN_DEBUG2( "CThumbnailDecodeTask(0x%08x)::RunL()", this );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailDecodeTask::DoCancel()
+// ---------------------------------------------------------------------------
+//
+void CThumbnailDecodeTask::DoCancel()
+    {
+    TN_DEBUG2( "CThumbnailDecodeTask(0x%08x)::DoCancel()", this );
+    if ( iProvider )
+        {
+        iProvider->CancelGetThumbnail();
+        }
+    }
+
+
+//
+// ---------------------------------------------------------------------------
+// Thumbnail provider observer callback to notify the server when
+// thumbnail has been generated.
+// ---------------------------------------------------------------------------
+//
+void CThumbnailDecodeTask::ThumbnailProviderReady( const TInt aError,
+    CFbsBitmap* aBitmap, const TSize& aOriginalSize, const TBool /*aEXIF*/, const TBool /*aPortrait*/ )
+    {
+    TN_DEBUG4( "CThumbnailDecodeTask(0x%08x)::ThumbnailProviderReady(aError=%d, aBitmap=0x%08x)", 
+               this, aError, aBitmap );
+
+    iOriginalSize = aOriginalSize;
+
+    if ( aError )
+        {
+        delete aBitmap;
+        aBitmap = NULL;
+        Complete( aError );
+        return;
+        }
+    
+    if( !aBitmap )
+        {
+        Complete( KErrGeneral );
+        return;
+        }
+      
+    if ( iMessage.Handle())
+       {
+       TRAP_IGNORE(iServer.AddBitmapToPoolL( iRequestId.iSession, aBitmap ));
+       const TSize bitmapSize = aBitmap->SizeInPixels();
+       iBitmapHandle = aBitmap->Handle();
+       aBitmap = NULL;
+       
+       // Complete message and pass bitmap handle to client
+       TThumbnailRequestParams& params = iParamsBuf();
+       TInt ret = iMessage.Read( 0, iParamsBuf );
+       
+       if(ret == KErrNone )
+           {
+           params.iBitmapHandle = iBitmapHandle;
+           ret = iMessage.Write( 0, iParamsBuf );
+           }
+       
+       Complete( ret );
+       ResetMessageData();
+
+       // Successfully completed the message. The client will send
+       // EReleaseBitmap message later to delete the bitmap from pool.
+       // CThumbnailScaleTask is no longer responsible for that.
+       iBitmapHandle = 0;
+       }
+    else
+        {
+        delete aBitmap;
+        aBitmap = NULL;
+        }
+    }
+