1 /*

     2 * Copyright (c) 2006-2008 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 for content updates from server.*

    15 */

    16 

    17 

    18 

    19 

    20 #ifndef CIPTVMYVIDEOSCONTENTUPDATEOBSERVER_H

    21 #define CIPTVMYVIDEOSCONTENTUPDATEOBSERVER_H

    22 

    23 #include <e32base.h>

    24 

    25 class MIptvMyVideosClientObserver;

    26 class RIptvClientSession;

    27 

    28 /**

    29  * Observer for content updates from server.

    30  *

    31  * @lib IptvClientApi.dll

    32  */

    33 class CIptvMyVideosContentUpdateObserver : public CActive

    34     {

    35 

    36 public:

    37 

    38     /**

    39      * Two-phased constructor.

    40      *

    41      * @param aClientObserver Observer.

    42      * @param aSession        Server client session.

    43      */

    44     static CIptvMyVideosContentUpdateObserver* NewL(

    45         MIptvMyVideosClientObserver& aClientObserver,

    46         RIptvClientSession& aSession );

    47 

    48     /**

    49      * Destructor.

    50      */

    51     ~CIptvMyVideosContentUpdateObserver();

    52 

    53 // From CActive

    54 

    55     /**

    56      * Called when request completes.

    57      */

    58     void RunL();

    59 

    60     /**

    61      * Called when request needs to be cancelled.

    62      */

    63     void DoCancel();

    64 

    65 protected:

    66 

    67     /**

    68      * Constructor.

    69      *

    70      * @param aClientObserver Observer.

    71      * @param aSession        Server client session.

    72      */

    73     CIptvMyVideosContentUpdateObserver(

    74         MIptvMyVideosClientObserver& aClientObserver,

    75         RIptvClientSession& aSession );

    76 

    77     /**

    78      * EPOC constructor.

    79      */

    80     void ConstructL();

    81 

    82 private:

    83 

    84     /**

    85      * Send observer request to server.

    86      */

    87     void SendObserverRequestL();

    88 

    89 protected: // Data

    90 

    91     /**

    92      * Reference to MIptvVodContentClientObserver.

    93      */

    94     MIptvMyVideosClientObserver& iClientObserver;

    95 

    96     /**

    97      * Reference to RIptvClientSession.

    98      */

    99     RIptvClientSession& iSession;

   100 

   101     /**

   102      * Heap object to restore memory for IPC messaging.

   103      * Own.

   104      */

   105     HBufC8* iObserverMsg;

   106 

   107     /**

   108      * Passed to RIptvClientSession object to store the sent and received

   109      * data. Points to iData heap object.

   110      */

   111     TPtr8 iObserverMsgPtr;

   112     };

   113 

   114 #endif // CIPTVMYVIDEOSCONTENTUPDATEOBSERVER_H