1 /** @file

     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies  this distribution, and is available 

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  class for sending/receiving HTTP request/response 

    15 *                using Symbian HTTP client 

    16 *

    17 */

    18 

    19 

    20 #ifndef C_CUPNPTRANSFERBASE_H

    21 #define C_CUPNPTRANSFERBASE_H

    22 

    23 // INCLUDES

    24 #include <e32base.h>

    25 #include "httptransferobserver.h"

    26 #include "upnptransferobserver.h"

    27 

    28 // FORWARD DECLARATIONS

    29 class CUpnpContentDirectory;

    30 class CHttpTransferBase;

    31 class MUpnpTransferObserver;

    32 

    33 const TInt KDefaultAccessPoint = 11;

    34 const TInt KDefaultBuffer = 64000;

    35 const TInt KNumOfConcurrentTransactions = 2;

    36 

    37 class CUpnpTransferBase: public CBase , public MHttpTransferObserver

    38 {

    39 public:  // Constructors and destructor

    40     

    41     /**

    42     * Destructor.

    43     */

    44     virtual ~CUpnpTransferBase();

    45 

    46 // from base class  MHttpTransferObserver

    47 

    48    virtual void ReadyForTransferL( TAny* aKey);

    49      

    50    /**

    51     * Gets transfer progress callback

    52     *

    53     * @since S60 v3.2

    54     * @param aKey the file identifier

    55     * @param aBytes transferred

    56     * @param aTotalBytes all bytes to be transferred

    57     */

    58    virtual void TransferProgress( TAny* aKey, 

    59                                   TInt aBytes, 

    60                                   TInt aTotalBytes );

    61                                    

    62    virtual void TransferCompleted( TAny* aKey, TInt aStatus );     

    63 

    64 

    65 

    66 

    67 public: // New functions

    68 

    69      /**

    70      * Creates new CHttpFile object and adds it to the iFileQueue

    71      *

    72      * @since S60 v3.2

    73      * @param aUri Uri of the downloaded object

    74      * @param aTargetPath Local path of the object

    75      * @param aKey Identifier of the object

    76      */

    77     void CreateAndQueueHttpFileL( const TDesC8& aUri, 

    78                                   const TDesC& aTargetPath, 

    79                                   TInt aKey );

    80     

    81     /**

    82     * Sets a header

    83     *

    84     * @since S60 v3.2

    85     * @param aKey the file identifier

    86     * @param aFieldName The field name, e.g. 'Content-Type'

    87     * @param aFieldValue The field value. e.g. 'text/plain'

    88     */

    89     void SetHeaderL( TInt aKey,

    90                      const TDesC8& aFieldName, 

    91                      const TDesC8& aFieldValue );

    92     

    93     /**

    94     * Turns on/off transfer progress callbacks

    95     *

    96     * @since S60 v3.2

    97     * @param aKey the file identifier

    98     * @param aSwitchOn tuning on/off    

    99     */

   100     void TrackProgess(TInt aKey, TBool aSwitchOn);   

   101           

   102 

   103     /**

   104     * cancels transfer

   105     *

   106     * @since S60 v3.2

   107     * @param aKey the file identifier   

   108     */         

   109     virtual void CancelTransfer( TInt aKey);     

   110   

   111  protected: 

   112     /**

   113     * C++ default constructor.

   114     */

   115     CUpnpTransferBase( MUpnpTransferObserver* aCd );

   116     

   117     // new functions

   118     TInt MapStatus( TInt aErrorCode );

   119     

   120  protected:    // Data

   121     MUpnpTransferObserver* iObserver;

   122     CHttpTransferBase* iHttpTransferBase;

   123     

   124     

   125 };

   126 

   127 #endif // C_CUPNPTRANFERBASE_H