1 /*

     2 * Copyright (c) 2004-2007 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 the License "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:    Observer VoD content downloading*

    15 */

    16 

    17 

    18 

    19 

    20 #ifndef CIPTVVODCONTENTUPDATEOBSERVER_H

    21 #define CIPTVVODCONTENTUPDATEOBSERVER_H

    22 

    23 // INCLUDES

    24 #include <e32std.h>

    25 

    26 // FORWARD DECLARATIONS

    27 class MIptvVodContentClientObserver;

    28 class RIptvClientSession;

    29 

    30 /**

    31 *  VoD ECG content API

    32 *

    33 *  @lib IptvClientApi.lib

    34 *  @since Engine 1.0

    35 */

    36 

    37 // CLASS DECLARATION

    38 class CIptvVodContentUpdateObserver : public CActive

    39     {

    40     public:

    41         /**

    42          * Two-phased constructor.

    43          * @param 

    44          */

    45         IMPORT_C static CIptvVodContentUpdateObserver* NewL(MIptvVodContentClientObserver& aObserver, RIptvClientSession& aSession, TIptvServiceId aServiceId);

    46 

    47         /**

    48          * Destructor.

    49          */

    50         virtual ~CIptvVodContentUpdateObserver();

    51 

    52     public:

    53         /**

    54          * Handles an active object’s request completion event.

    55          */

    56         void RunL();

    57 

    58         /**

    59          * Implements cancellation of an outstanding request.

    60          */

    61         void DoCancel();

    62                                 

    63     private: // New functions           

    64         /**

    65         * C++ default constructor.

    66         */

    67         CIptvVodContentUpdateObserver(MIptvVodContentClientObserver& aObserver, RIptvClientSession& aSession, TIptvServiceId aServiceId);

    68 

    69         /**

    70         * By default Symbian 2nd phase constructor is private.

    71         * @param 

    72         */

    73         void ConstructL();

    74 

    75     private:

    76         /**

    77         * Send observer request to server.

    78         */

    79         void SendObserverRequestL();

    80                   

    81     private: // Data members

    82         /**

    83         * Reference to MIptvVodContentClientObserver.

    84         */

    85         MIptvVodContentClientObserver& iObserver;

    86 

    87         /**

    88         * Reference to RIptvClientSession.

    89         */

    90         RIptvClientSession& iSession;

    91         

    92         /**

    93         * iObserverMsg Heap object to restore memory for IPC messaging.

    94         */

    95         HBufC8* iObserverMsg;

    96 

    97         /**

    98         * iObserverMsgPtr Passed to RIptvClientSession object to store the sent and received data.

    99         * Points to iData heap object.

   100         */

   101         TPtr8 iObserverMsgPtr;

   102 

   103         /**

   104         * Service id.

   105         */

   106         TIptvServiceId iServiceId;

   107     };

   108 

   109 #endif  // CIPTVVODCONTENTUPDATEOBSERVER_H