--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnp/upnpstack/upnphttptransfer/inc/httpdownloadworker.h	Tue Feb 02 01:12:20 2010 +0200
@@ -0,0 +1,229 @@
+/** @file
+* Copyright (c) 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:  Handles download of a file
+*
+*/
+
+
+#ifndef C_CHTTPDOWNLOADWORKER_H
+#define C_CHTTPDOWNLOADWORKER_H
+
+
+// User include files
+#include "httptransferworker.h"
+#include "httptransferobserver.h"
+#include "httptransferbase.h"
+
+// forward declarations
+class MHttpWorkerObserver;
+
+/**
+ * This class downloads on single file.
+ *
+ * @lib httptransfer.lib
+ * @since S60 v3.2
+ */
+NONSHARABLE_CLASS ( CHttpDownloadWorker ) : public CHttpTransferWorker, MHttpNotifyTimerObserver
+    {
+public:
+
+    /**
+     * Constructor
+     *
+     * @since S60 v3.2
+     * @param aObserver Transfer observer
+     * @param aIAPId IAP id
+     * @param aBuffersize Size of the buffer
+     * @param aCallback Call back to workerobserver
+     */
+    static CHttpDownloadWorker* NewL( MHttpTransferObserver& aObserver,
+                                      TUint aIAPId,
+                                      TUint aBufferSize,
+                                      MHttpWorkerObserver& aCallback );
+
+    /**
+     * Constructor
+     *
+     * @since S60 v3.2
+     * @param aObserver Transfer observer
+     * @param aIAPId IAP id
+     * @param aBufferSize Size of the buffer
+     * @param aCallback Call back to workerobserver
+     */
+    static CHttpDownloadWorker* NewLC( MHttpTransferObserver& aObserver,
+                                       TUint aIAPId,
+                                       TUint aBufferSize,
+                                       MHttpWorkerObserver& aCallback );
+
+    /**
+     * Destructor
+     *
+     * @since S60 v3.2
+     */
+    virtual ~CHttpDownloadWorker();
+
+// from base class CHttpTransferWorker
+    
+    /**
+     * From base class CHttpTransferWorker
+     * Stops the transfer of the file
+     *
+     * @since S60 v3.2
+     */
+    void CancelTransfer();
+    
+    /**
+     * From base class CHttpTransferWorker
+     * Starts the processing of a file.
+     * Asynchronous.
+     *
+     * @since S60 v3.2
+     */
+    virtual void StartProcessL();
+
+    /**
+     * From base class CHttpTransferWorker
+     * Called by framework to notify about transaction events.
+     *
+     * @since S60 v3.2
+     * @param aTransaction Transaction, where the event occured.
+     * @param aEvent Occured event.
+     */
+    void MHFRunL( RHTTPTransaction aTransaction,
+                  const THTTPEvent& aEvent );
+
+    /**
+     * From base class CHttpTransferWorker
+     * Called by framework when leave occurs in handling of 
+     * transaction event.
+     *
+     * @since S60 v3.2
+     * @param aError The leave code that occured.
+     * @param aTransaction The transaction that was being processed 
+     * @param aEvent The event that was being processed
+     * @return Error code
+     */
+    TInt MHFRunError( TInt aError, 
+                      RHTTPTransaction aTransaction,
+                      const THTTPEvent& aEvent );
+
+private:
+
+    /**
+     * Deletes partially downloaded file from file system.
+     *
+     * @since S60 v3.2
+     */
+    void DeleteFileL();
+
+    /**
+     * Checks disk space
+     * @param aSize to be written to file
+     * @since S60 v3.2
+     */
+    void CheckDiskSpaceL(TInt aSize);
+    
+    /**
+     * Writes the last part of body into a file
+     *
+     * @since S60 v3.2
+     */
+    void WriteTailIntoFileL();
+
+    /**
+     * Handles the HTTP response data
+     *
+     * @since S60 v3.2
+     * @param aTransaction HTTP transaction
+     */
+    void HandleResponseDataL( RHTTPTransaction aTransaction );
+
+    /**
+     * Sends HTTP GET request
+     *
+     * @since S60 v3.2
+     */
+    void HttpGetL();
+
+    /**
+     * Performs the actions needed when download is finished
+     *
+     * @since @S60 v3.2
+     * @param aTransaction HTTP transaction
+     */
+    void FinishDownload( RHTTPTransaction aTransaction );
+    
+    /**
+     * Default constructor
+     *
+     * @since S60 v3.2
+     * @param aIAPId IAP id
+     * @param aBufferSize Size of the buffer
+     * @param aObserver Transfer observer
+     * @param aCallback Call back for workerobserver
+     */
+    CHttpDownloadWorker( TUint aIAPId,
+                         TUint aBufferSize,
+                         MHttpTransferObserver& aObserver,
+                         MHttpWorkerObserver& aCallback );
+
+    /**
+     * Second phase constructor
+     *
+     * @since S60 v3.2
+     */
+    void ConstructL();
+    
+    /**
+     * Terminates the transfer and informs the client through
+     * TransferComplete.
+     *
+     * @since S60 v3.2
+     * @param aError Error code
+     */
+    void CompleteAndNotifyL( TInt aError );
+    
+    /**
+    * Callback function for timer expirations.
+    * @since Series60 5.0 HN
+    * @param aTimer Timer that has expired.
+    **/
+    void TimerEventL( CHttpNotifyTimer* aTimer );
+    
+private: 
+
+    /**
+     * Size of the downloaded file
+     */ 
+    TInt iFileSizeFromHeader;
+    
+    /**
+     * Amount of transferred bytes
+     */     
+    TInt iBytesTransferred;
+    
+    /**
+     * Response body
+     * Own.
+     */
+    HBufC8* iResponseBody;
+    
+    /**
+    * Timeout timer for current session
+    */
+    CHttpNotifyTimer* iSessionTimer;
+    
+    };
+
+#endif // C_CHTTPDOWNLOADWORKER_H