diff -r 000000000000 -r ba25891c3a9e iaupdate/IAD/engine/controller/src/iaupdatedownloadoperation.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/iaupdate/IAD/engine/controller/src/iaupdatedownloadoperation.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,234 @@
+/*
+* Copyright (c) 2007-2008 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:   CIAUpdateDownloadOperation 
+*
+*/
+
+
+
+#include <ncdquery.h>
+#include <ncdprogress.h>
+#include <ncdoperation.h>
+#include <ncdnodedownload.h>
+#include <ncddownloadoperation.h>
+#include <ncdnode.h>
+
+#include "iaupdatedownloadoperation.h"
+#include "iaupdatenodeimpl.h"
+
+
+
+#include "iaupdatedebug.h"
+
+
+// ---------------------------------------------------------------------------
+// CIAUpdateDownloadOperation::NewL
+// 
+// ---------------------------------------------------------------------------
+//
+CIAUpdateDownloadOperation* CIAUpdateDownloadOperation::NewL(
+    CIAUpdateNode& aNode,
+    MIAUpdateContentOperationObserver& aObserver )
+    {
+    CIAUpdateDownloadOperation* self = 
+        CIAUpdateDownloadOperation::NewLC( aNode, aObserver );
+    CleanupStack::Pop( self );
+    return self;
+    }
+    
+    
+// ---------------------------------------------------------------------------
+// CIAUpdateDownloadOperation::NewLC
+// 
+// ---------------------------------------------------------------------------
+//
+CIAUpdateDownloadOperation* CIAUpdateDownloadOperation::NewLC(
+    CIAUpdateNode& aNode,
+    MIAUpdateContentOperationObserver& aObserver )
+    {
+    CIAUpdateDownloadOperation* self =
+        new( ELeave ) CIAUpdateDownloadOperation( aNode, aObserver );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CIAUpdateDownloadOperation::CIAUpdateDownloadOperation
+// 
+// ---------------------------------------------------------------------------
+//
+CIAUpdateDownloadOperation::CIAUpdateDownloadOperation(
+    CIAUpdateNode& aNode,
+    MIAUpdateContentOperationObserver& aObserver )
+: CIAUpdateNormalContentOperation( aNode, aObserver )
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::CIAUpdateDownloadOperation");
+    }
+
+
+// ---------------------------------------------------------------------------
+// CIAUpdateDownloadOperation::ConstructL
+// 
+// ---------------------------------------------------------------------------
+//
+void CIAUpdateDownloadOperation::ConstructL()
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::ConstructL begin");
+    
+    CIAUpdateNormalContentOperation::ConstructL();
+
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::ConstructL end");
+    }
+    
+
+// ---------------------------------------------------------------------------
+// CIAUpdateDownloadOperation::~CIAUpdateDownloadOperation
+// 
+// ---------------------------------------------------------------------------
+//
+CIAUpdateDownloadOperation::~CIAUpdateDownloadOperation()
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::~CIAUpdateDownloadOperation begin");
+
+    // This will also reset and delete all the necessary data if needed.
+    CancelOperation();
+
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::~CIAUpdateDownloadOperation end");
+    }
+
+
+// ---------------------------------------------------------------------------
+// CIAUpdateDownloadOperation::DownloadProgress
+// Content download functions
+// ---------------------------------------------------------------------------
+//
+void CIAUpdateDownloadOperation::DownloadProgress( MNcdDownloadOperation& /*aOperation*/, 
+                                                   TNcdProgress aProgress )
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::DownloadProgress() begin");
+
+    OperationProgress( aProgress.iProgress, aProgress.iMaxProgress );
+
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::DownloadProgress() end");
+    }
+
+
+// ---------------------------------------------------------------------------
+// CIAUpdateDownloadOperation::QueryReceived
+// 
+// ---------------------------------------------------------------------------
+//
+void CIAUpdateDownloadOperation::QueryReceived( MNcdDownloadOperation& aOperation, 
+                                                MNcdQuery* aQuery )
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::QueryReceived() begin");
+
+    ContentQueryReceived( aOperation, aQuery );
+
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::QueryReceived() end");
+    }
+
+
+// ---------------------------------------------------------------------------
+// CIAUpdateDownloadOperation::OperationComplete
+// 
+// ---------------------------------------------------------------------------
+//
+void CIAUpdateDownloadOperation::OperationComplete( MNcdDownloadOperation& aOperation, 
+                                                    TInt aError )
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateInstallOperation::OperationComplete() begin");
+
+    ContentOperationComplete( aOperation, aError );
+    
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateInstallOperation::OperationComplete() end");
+    }        
+
+
+// ---------------------------------------------------------------------------
+// CIAUpdateDownloadOperation::HandleContentL
+// 
+// ---------------------------------------------------------------------------
+//
+MNcdOperation* CIAUpdateDownloadOperation::HandleContentL()
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::HandleContentL begin");
+
+    MNcdOperation* operation( NULL );
+
+    // If node is already installed, then do not download it again.
+    // Notice, that casting is safe here, because NewLC function uses
+    // CIAUpdateNode which is given to the constructor and for parent class. 
+    // So, the node is CIAUpdateNode even if the parent operation class uses
+    // pointer to node's parent. 
+    CIAUpdateNode& node( static_cast< CIAUpdateNode& >( Node() ) );
+    if ( !node.IsInstalled() )
+        {
+        IAUPDATE_TRACE("[IAUPDATE] Create download operation.");
+        operation = DownloadL();
+        }
+
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::HandleContentL end");
+
+    return operation;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CIAUpdateDownloadOperation::DownloadL
+// 
+// ---------------------------------------------------------------------------
+//    
+MNcdOperation* CIAUpdateDownloadOperation::DownloadL()
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::DownloadL() begin");
+
+    MNcdOperation* operation( NULL );
+    
+    MNcdNodeDownload* download = 
+        Node().Node().QueryInterfaceLC< MNcdNodeDownload >();
+    
+    if ( download )
+        {
+        // Download interface exists. So, we can do downloading.
+        if( !download->IsDownloadedL() )
+            {
+            // Only do download operation if we have not already downloaded.
+            operation = download->DownloadContentL( *this );
+            
+            if( !operation )
+                {
+                // Could not create the operation for some reason.
+                IAUPDATE_TRACE("[IAUPDATE] ERROR Could not create the operation.");
+                User::Leave( KErrGeneral );
+                }
+            }
+
+        CleanupStack::PopAndDestroy( download );
+        }
+    else
+        {
+        IAUPDATE_TRACE("[IAUPDATE] Download interface was not found.");
+        User::Leave( KErrNotFound );
+        }
+
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateNode::DownloadL() end");
+
+    return operation;
+    }
+        
+
+