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:  

    15 *

    16 */

    17 	

    18 

    19 #ifndef C_NCD_QUERY_ITEM_H

    20 #define C_NCD_QUERY_ITEM_H

    21 

    22 #include <e32cmn.h>

    23 

    24 #include "ncdqueryitem.h"

    25 #include "catalogsbaseimpl.h"

    26 #include "catalogsinterfacebase.h"

    27 

    28 

    29 class MNcdConfigurationProtocolQueryElement;

    30 class CNcdString;

    31 class CNcdQuery;

    32 class RWriteStream;

    33 class RReadStream;

    34 

    35 const TInt KMaxTIntLengthInChars( 11 );

    36     

    37 /**

    38  *  Implementation for query item.

    39  *

    40  *  Base class for query items. This class is abstract.

    41  */

    42 class CNcdQueryItem : public CCatalogsInterfaceBase,

    43                       public virtual MNcdQueryItem

    44     {

    45 public:

    46     

    47     virtual void InternalizeL( RReadStream& aReadStream );

    48     

    49     virtual void InternalizeL(

    50         const MNcdConfigurationProtocolQueryElement& aQueryElement );

    51     

    52     virtual void ExternalizeL( RWriteStream& aWriteStream ) const;

    53         

    54     const TDesC& Id() const;

    55     

    56     TBool IsSet() const;

    57     

    58     virtual const TDesC& ValueL() = 0;

    59     

    60     /**

    61      * If ETrue, this item will be visible only inside the engine.

    62      */

    63     TBool IsInvisible() const;

    64     

    65     /**

    66      * Internalizes just the id's and response value.

    67      *      

    68      */

    69     //void InternalizeResponseL( RWriteStream& aWriteStream ) = 0;

    70     

    71     /**

    72      * Externalizes just the id's and response value.

    73      *

    74      * @note Use a dynamic buffer for the stream,

    75      * amout of data written can vary.

    76      */

    77     //void ExternalizeResponseL( RWriteStream& aWriteStream ) const = 0;

    78 

    79 public: // From MNcdQueryItem

    80 

    81     /**

    82      * @see MNcdQueryItem

    83      */

    84     virtual TNcdInterfaceId Type() const;

    85     

    86     /**

    87      * @see MNcdQueryItem

    88      */

    89     virtual MNcdQueryItem::TSemantics Semantics() const;

    90 

    91     /**

    92      * @see MNcdQueryItem

    93      */

    94     virtual const TDesC& Label() const;

    95     

    96     /**

    97      * @see MNcdQueryItem

    98      */

    99     virtual const TDesC& Message() const;

   100     

   101     /**

   102      * @see MNcdQueryItem

   103      */

   104     virtual const TDesC& Description() const;

   105     

   106     /**

   107      * @see MNcdQueryItem

   108      */

   109     virtual TBool IsOptional() const;

   110     

   111 protected:

   112 

   113     CNcdQueryItem( CNcdQuery& aParent );

   114     

   115     virtual ~CNcdQueryItem();

   116     

   117     virtual void ConstructL();   

   118     

   119 

   120 protected:

   121     

   122     CNcdQuery& iParentQuery;

   123     HBufC* iId;

   124     MNcdQueryItem::TSemantics iSemantics;

   125     

   126     CNcdString* iLabel;

   127     CNcdString* iMessage;

   128     CNcdString* iDescription;

   129     

   130     mutable HBufC* iLocalizedLabel;

   131     mutable HBufC* iLocalizedMessage;

   132     mutable HBufC* iLocalizedDescription;

   133     

   134     TBool iIsOptional;

   135     TNcdInterfaceId iType;

   136     HBufC* iValue;

   137     TBool iIsSet;    

   138     TBool iIsInvisible;

   139 

   140     };

   141 	

   142 #endif //  C_NCD_QUERY_ITEM_H