1 /*

     2 * Copyright (c) 2006 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:   Contains CNcdNodeuriContentProxy class

    15 *

    16 */

    17 

    18 

    19 #ifndef C_NCDNODEURICONTENTPROXY_H

    20 #define C_NCDNODEURICONTENTPROXY_H

    21 

    22 

    23 // For the streams

    24 #include <s32mem.h>

    25 

    26 #include "ncdinterfacebaseproxy.h"

    27 #include "ncdnodeuricontent.h"

    28 

    29 class CNcdNodeMetadataProxy;

    30 

    31 

    32 /**

    33  *  This class implements the functionality for the

    34  *  MNcdNodeUriContent interfaces. The interface is provided for

    35  *  API users.

    36  *

    37  *  @since S60 v3.2

    38  */

    39 class CNcdNodeUriContentProxy : public CNcdInterfaceBaseProxy, 

    40                                 public MNcdNodeUriContent

    41     {

    42 

    43 public:

    44 

    45     /**

    46      * @param aSession The session between the client proxy and the

    47      * corresponding server object.

    48      * @param aHandle The handle which identifies the server object

    49      * that this proxy uses.

    50      * @param aMetadata Owns and uses the information of this proxy.

    51      * The metadata also keeps track of the refence counts of its objects. 

    52      * And handles the deletion of these objects when the total reference 

    53      * count reaches zero.

    54      * @return CNcdNodeUriContentProxy* Pointer to the created object 

    55      * of this class.

    56      */

    57     static CNcdNodeUriContentProxy* NewL(

    58         MCatalogsClientServer& aSession,

    59         TInt aHandle,

    60         CNcdNodeMetadataProxy& aMetadata );

    61 

    62     /**

    63      * @param aSession The session between the client proxy and the

    64      * corresponding server object.

    65      * @param aHandle The handle which identifies the server object

    66      * that this proxy uses.

    67      * @param aMetadata Owns and uses the information of this proxy.

    68      * The metadata also keeps track of the refence counts of its objects. 

    69      * And handles the deletion of these objects when the total reference 

    70      * count reaches zero.

    71      * @return CNcdNodeUriContentProxy* Pointer to the created object 

    72      * of this class.

    73      */

    74     static CNcdNodeUriContentProxy* NewLC(

    75         MCatalogsClientServer& aSession, 

    76         TInt aHandle,

    77         CNcdNodeMetadataProxy& aMetadata );

    78 

    79 

    80     /**

    81      * Destructor.

    82      * The destructor is set public. So, the node that owns this object may

    83      * delete it directly when the reference count of the node reaches zero

    84      * and the destructor of the node is called.

    85      */

    86     virtual ~CNcdNodeUriContentProxy();

    87 

    88 

    89     /**

    90      * Gets the data for descriptors from the server side. This function is

    91      * called to update proxy data. The function uses the protected virtual

    92      * internalize functions. So, the child classes may provide their own

    93      * implementations for internalizations of certain metadata.

    94      */

    95     void InternalizeL();

    96     

    97 

    98 public: // MNcdNodeUriContent

    99 

   100     /**

   101      * @see MNcdNodeUriContent::ContentUri

   102      */ 

   103     const TDesC& ContentUri() const;

   104 

   105     /**

   106      * @see MNcdNodeUriContent::ContentValidityDelta

   107      */

   108     TInt ContentValidityDelta() const;

   109 

   110 protected:

   111 

   112     /**

   113      * Constructor

   114      *

   115      * @param aSession The session between the client proxy and the

   116      * corresponding server object.

   117      * @param aHandle The handle which identifies the server object

   118      * that this proxy uses.

   119      * @param aMetadata Owns and uses the information of this proxy.

   120      * The metadata also keeps track of the refence counts of its objects. 

   121      * And handles the deletion of these objects when the total reference 

   122      * count reaches zero.

   123      * @return CNcdNodeUriContentProxy* Pointer to the created object 

   124      * of this class.

   125      */

   126     CNcdNodeUriContentProxy(

   127         MCatalogsClientServer& aSession,

   128         TInt aHandle,

   129         CNcdNodeMetadataProxy& aMetadata );

   130 

   131     /**

   132      * ConstructL

   133      */

   134     virtual void ConstructL();

   135     

   136 

   137     // These functions are used to update the data of this class object

   138     virtual void InternalizeDataL( RReadStream& aStream );

   139 

   140 

   141 private:

   142 

   143     // Prevent if not implemented

   144     CNcdNodeUriContentProxy( const CNcdNodeUriContentProxy& aObject );

   145     CNcdNodeUriContentProxy& operator =( const CNcdNodeUriContentProxy& aObject );

   146     

   147     

   148 private: // data

   149 

   150     HBufC* iContentUri;

   151     TInt iValidityDelta;

   152     

   153     };

   154 

   155 

   156 #endif // C_NCDNODEURICONTENTPROXY_H