/*

* 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_H

#define C_NCD_QUERY_H

#include <e32cmn.h>

#include "ncdquery.h"

#include "ncdqueryitemimpl.h"

#include "catalogsbaseimpl.h"

#include "catalogsinterfacebase.h"

#include "ncdsendable.h"

class MNcdQueryItem;

class MNcdConfigurationProtocolQuery;

class RReadStream;

class RWriteStream;

class MDesCArray;

class MDesC8Array;

class MNcdConfigurationProtocolQueryResponse;

class CNcdString;

class MNcdClientLocalizer;

/**

 *  Implementation class for query.

 *

 *  This class is used on both sides of the client/server border.

 */

class CNcdQuery : public CCatalogsInterfaceBase,

                  public MNcdQuery,

                  public MNcdSendable

    {    

public:

    // all constructors call InternalAddRef

    static CNcdQuery* NewL( RReadStream& aReadStream );

    static CNcdQuery* NewLC( RReadStream& aReadStream );

    static CNcdQuery* NewL( const MNcdConfigurationProtocolQuery& aQuery,

        TBool aIsSecureConnection = EFalse );

    static CNcdQuery* NewLC( const MNcdConfigurationProtocolQuery& aQuery,

        TBool aIsSecureConnection = EFalse );

    // For payment method query

    static CNcdQuery* NewL( const RPointerArray<CNcdString>& aPaymentMethodNames, 

                            const MDesC8Array& aPaymentMethodTypes );

    static CNcdQuery* NewLC( const RPointerArray<CNcdString>& aPaymentMethodNames,

                             const MDesC8Array& aPaymentMethodTypes );

    void SetClientLocalizer( MNcdClientLocalizer* aLocalizer );

    MNcdClientLocalizer* ClientLocalizer() const;

    void InternalizeL( RReadStream& aReadStream );

    void InternalizeL( const MNcdConfigurationProtocolQuery& aQuery );

    void ExternalizeL( RWriteStream& aWriteStream ) const;  

    /**

     * Returns the number of query items in this query.

     *

     * @return Query ítem count.

     */

    TInt ItemCount() const;

    /**

     * Returns query item by index.

     *

     * @return Query item.

     */

    CNcdQueryItem& QueryItemL( TInt aIndex );

    const TDesC& Id() const;

    /**

     * Checks whether all query items have been set.

     *

     * @return ETrue if all items are set.

     */

    TBool AllItemsSet() const;

public: // From MNcdQuery

    /**

     * @see MNcdQuery

     */

    virtual TBool IsOptional() const;

    /**

     * @see MNcdQuery

     */

    virtual MNcdQuery::TSemantics Semantics() const;

    /**

     * @see MNcdQuery

     */

    virtual const TDesC& MessageTitle() const;

    /**

     * @see MNcdQuery

     */

    virtual const TDesC& MessageBody() const;

    /**

     * @see MNcdQuery

     */

    virtual RCatalogsArray< MNcdQueryItem > QueryItemsL();

    /**

     * @see MNcdQuery

     */

    virtual void SetResponseL( TResponse aResponse );

    /**

     * @see MNcdQuery

     */

    virtual TResponse Response();

    /**

     * @see MNcdQuery

     */

    TBool IsSecureConnection() const;

protected:

    virtual ~CNcdQuery();

private:

    CNcdQuery( TBool aIsSecureConnection );

    void ConstructL();

    void ConstructL( const RPointerArray<CNcdString>& aPaymentMethodNames,

                     const MDesC8Array& aPaymentMethodTypes );

private:

    HBufC* iId;

    TBool iIsOptional;

    MNcdQuery::TSemantics iSemantics;

    CNcdString* iTitle;

    CNcdString* iBody;

    mutable HBufC* iLocalizedTitle;

    mutable HBufC* iLocalizedBody;

    TResponse iResponse;

    TBool iIsSecureConnection;

    RCatalogsArray< CNcdQueryItem > iItems;

    /**

     * Client localizer, not own.

     */

    MNcdClientLocalizer* iClientLocalizer;

    };

#endif //  C_NCD_QUERY_H