/*
* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
#ifndef C_NCD_QUERY_ITEM_H
#define C_NCD_QUERY_ITEM_H
#include <e32cmn.h>
#include "ncdqueryitem.h"
#include "catalogsbaseimpl.h"
#include "catalogsinterfacebase.h"
class MNcdConfigurationProtocolQueryElement;
class CNcdString;
class CNcdQuery;
class RWriteStream;
class RReadStream;
const TInt KMaxTIntLengthInChars( 11 );
/**
* Implementation for query item.
*
* Base class for query items. This class is abstract.
*/
class CNcdQueryItem : public CCatalogsInterfaceBase,
public virtual MNcdQueryItem
{
public:
virtual void InternalizeL( RReadStream& aReadStream );
virtual void InternalizeL(
const MNcdConfigurationProtocolQueryElement& aQueryElement );
virtual void ExternalizeL( RWriteStream& aWriteStream ) const;
const TDesC& Id() const;
TBool IsSet() const;
virtual const TDesC& ValueL() = 0;
/**
* If ETrue, this item will be visible only inside the engine.
*/
TBool IsInvisible() const;
/**
* Internalizes just the id's and response value.
*
*/
//void InternalizeResponseL( RWriteStream& aWriteStream ) = 0;
/**
* Externalizes just the id's and response value.
*
* @note Use a dynamic buffer for the stream,
* amout of data written can vary.
*/
//void ExternalizeResponseL( RWriteStream& aWriteStream ) const = 0;
public: // From MNcdQueryItem
/**
* @see MNcdQueryItem
*/
virtual TNcdInterfaceId Type() const;
/**
* @see MNcdQueryItem
*/
virtual MNcdQueryItem::TSemantics Semantics() const;
/**
* @see MNcdQueryItem
*/
virtual const TDesC& Label() const;
/**
* @see MNcdQueryItem
*/
virtual const TDesC& Message() const;
/**
* @see MNcdQueryItem
*/
virtual const TDesC& Description() const;
/**
* @see MNcdQueryItem
*/
virtual TBool IsOptional() const;
protected:
CNcdQueryItem( CNcdQuery& aParent );
virtual ~CNcdQueryItem();
virtual void ConstructL();
protected:
CNcdQuery& iParentQuery;
HBufC* iId;
MNcdQueryItem::TSemantics iSemantics;
CNcdString* iLabel;
CNcdString* iMessage;
CNcdString* iDescription;
mutable HBufC* iLocalizedLabel;
mutable HBufC* iLocalizedMessage;
mutable HBufC* iLocalizedDescription;
TBool iIsOptional;
TNcdInterfaceId iType;
HBufC* iValue;
TBool iIsSet;
TBool iIsInvisible;
};
#endif // C_NCD_QUERY_ITEM_H