--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videofeeds/hgvodui/src/vcxhgvodthumbnailmanager.cpp	Mon Jan 18 20:21:12 2010 +0200
@@ -0,0 +1,194 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:    HG VOD class for handling thumbnail loading*
+*/
+
+
+#include "vcxnsimageconverter.h"
+#include "vcxhgvodthumbnailmanager.h"
+#include "vcxhgvodthumbnailobserver.h"
+
+// Private data class.
+NONSHARABLE_CLASS( CVcxHgVodThumbnailRequest ) : public CBase
+    {
+public:
+
+    CVcxHgVodThumbnailRequest( MVcxHgVodThumbnailObserver& aObserver, 
+            TSize aRequestedSize, TInt64 aClientId )
+      : iObserver( aObserver ),
+        iRequestedSize( aRequestedSize ),
+        iClientId( aClientId )
+        {
+        }
+    
+    void ConstructL( const TDesC& aThumbnailPath )
+        {
+        iThumbnailPath = aThumbnailPath.AllocL();
+        }
+    
+    ~CVcxHgVodThumbnailRequest()
+        {
+        delete iThumbnailPath;
+        }
+    
+public: // data
+    
+    MVcxHgVodThumbnailObserver& iObserver;
+    HBufC* iThumbnailPath;
+    TSize iRequestedSize;
+    TInt64 iClientId;
+    
+    };
+
+TBool CompareRequests( const CVcxHgVodThumbnailRequest& aFirst, const CVcxHgVodThumbnailRequest& aSecond )
+    {
+    return aFirst.iClientId == aSecond.iClientId;
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxHgVodThumbnailManager::~CVcxHgVodThumbnailManager()
+// -----------------------------------------------------------------------------
+//
+CVcxHgVodThumbnailManager::~CVcxHgVodThumbnailManager()
+    {
+    delete iImageConverter;
+    iRequestBuffer.ResetAndDestroy();
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxHgVodThumbnailManager::NewL()
+// -----------------------------------------------------------------------------
+//
+CVcxHgVodThumbnailManager* CVcxHgVodThumbnailManager::NewL( RFs& aFsSession )
+    {
+    CVcxHgVodThumbnailManager* self = 
+        CVcxHgVodThumbnailManager::NewLC( aFsSession );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxHgVodThumbnailManager::NewLC()
+// -----------------------------------------------------------------------------
+//
+CVcxHgVodThumbnailManager* CVcxHgVodThumbnailManager::NewLC( RFs& aFsSession )
+    {
+    CVcxHgVodThumbnailManager* self = 
+        new (ELeave) CVcxHgVodThumbnailManager();
+    CleanupStack::PushL( self );
+    self->ConstructL( aFsSession );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxHgVodThumbnailManager::CVcxHgVodThumbnailManager()
+// -----------------------------------------------------------------------------
+//
+CVcxHgVodThumbnailManager::CVcxHgVodThumbnailManager()
+    {
+    
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxHgVodThumbnailManager::ConstructL()
+// -----------------------------------------------------------------------------
+//
+void CVcxHgVodThumbnailManager::ConstructL( RFs& aFsSession )
+    {
+    iImageConverter = CVcxNsImageConverter::NewL( *this, aFsSession );
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxHgVodThumbnailManager::Reset()
+// -----------------------------------------------------------------------------
+//
+void CVcxHgVodThumbnailManager::Reset()
+    {
+    iRequestBuffer.ResetAndDestroy();
+    iImageConverter->Cancel();
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxHgVodThumbnailManager::AddThumbnailRequestL()
+// -----------------------------------------------------------------------------
+//
+void CVcxHgVodThumbnailManager::AddThumbnailRequestL( 
+    MVcxHgVodThumbnailObserver& aObserver,
+    const TDesC& aThumbnailPath, 
+    TSize aRequestedSize, 
+    TInt64 aClientId )
+    {
+    CVcxHgVodThumbnailRequest* newReq = new (ELeave) CVcxHgVodThumbnailRequest(
+            aObserver, aRequestedSize, aClientId );
+    CleanupStack::PushL( newReq );
+    newReq->ConstructL( aThumbnailPath );
+    CleanupStack::Pop( newReq );
+    
+    TInt err( KErrAlreadyExists );
+    
+    TIdentityRelation<CVcxHgVodThumbnailRequest> relation( CompareRequests );
+    
+    if ( iRequestBuffer.Find( newReq, relation ) == KErrNotFound )
+        {
+        err = iRequestBuffer.Append( newReq );
+        }
+
+    if ( err != KErrNone )
+        {
+        delete newReq;
+        }
+    else
+        {
+        if ( !(iImageConverter->IsActive()) )
+            {
+            err = iImageConverter->StartConvertL( *(newReq->iThumbnailPath), 
+                    newReq->iRequestedSize, ETrue );
+            
+            if ( err != KErrNone )
+                {
+                // image cannot be converted, remove from request list
+                iRequestBuffer.Remove( iRequestBuffer.Count() - 1 );
+                delete newReq;
+                }
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxHgVodThumbnailManager::ImageConversionCompletedL()
+// -----------------------------------------------------------------------------
+//
+void CVcxHgVodThumbnailManager::ImageConversionCompletedL( 
+    TInt aError,
+    CGulIcon* aIcon )
+    {
+    if ( iRequestBuffer.Count() > 0 )
+        {
+        CVcxHgVodThumbnailRequest* req = iRequestBuffer[0];
+        iRequestBuffer.Remove( 0 );
+        
+        if ( aError == KErrNone )
+            {    
+            req->iObserver.MvtoThumbnailReady( aIcon, req->iClientId );
+            }
+        
+        delete req;
+        
+        if ( iRequestBuffer.Count() > 0 )
+            {
+            req = iRequestBuffer[0];
+            iImageConverter->StartConvertL( *(req->iThumbnailPath), req->iRequestedSize, ETrue );
+            }
+        }
+    }