/*

* 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_NCDPURCHASEOPERATIONPROXY_H

#define C_NCDPURCHASEOPERATIONPROXY_H

#include "ncdoperationimpl.h"

#include "ncdbaseoperationproxy.h"

#include "ncdpurchaseoperation.h"

class CNcdPurchaseOptionProxy;

class CNcdSubscriptionManagerProxy;

/**

 *  Purchase operation proxy.

 *

 *  Client side implementation for purchase operation.

 *

 *  @lib ?library

 *  @since S60 ?S60_version *** for example, S60 v3.0

 */

class CNcdPurchaseOperationProxy : 

    public CNcdOperation< MNcdPurchaseOperation >

    {

public:

    /**

     * Constructor

     *

     * @param aSession Session that is used between the proxy and the server.

     * @param aHandle Handle that identifies the serverside object that this 

     *                proxy uses.

     * @param aRemoveHandler An observer that is called during destruction.

     * @param aNode The node this operation was started from.

     * @param aObserver.

     * @param aLocalizer The client localizer.

     */    

    static CNcdPurchaseOperationProxy* NewL( 

        MCatalogsClientServer& aSession,

        TInt aHandle,

        MNcdOperationProxyRemoveHandler* aRemoveHandler,

        CNcdNodeProxy* aNode,

        CNcdPurchaseOptionProxy* aSelectedPurchaseOption,

        MNcdPurchaseOperationObserver* aObserver,

        CNcdSubscriptionManagerProxy* aSubscriptionManager,

        CNcdNodeManagerProxy* aNodeManager,

        MNcdClientLocalizer* aLocalizer );

    /**

     * Constructor

     *

     * @param aSession Session that is used between the proxy and the server.

     * @param aHandle Handle that identifies the serverside object that this 

     *                proxy uses.

     * @param aRemoveHandler An observer that is called during destruction.

     * @param aNode The node this operation was started from.

     * @param aObserver 

     * @param aLocalizer The client localizer.

     */    

    static CNcdPurchaseOperationProxy* NewLC(

        MCatalogsClientServer& aSession,

        TInt aHandle,

        MNcdOperationProxyRemoveHandler* aRemoveHandler,

        CNcdNodeProxy* aNode,

        CNcdPurchaseOptionProxy* aSelectedPurchaseOption,

        MNcdPurchaseOperationObserver* aObserver,

        CNcdSubscriptionManagerProxy* aSubscriptionManager,

        CNcdNodeManagerProxy* aNodeManager,

        MNcdClientLocalizer* aLocalizer );

public: // From MNcdPurchaseOperation

    /**

     * @see MNcdPurchaseOperation::PurchaseOption

     */

    virtual const MNcdPurchaseOption& PurchaseOption();

public: // From MNcdOperation

    /**

     * @see MNcdOperation::OperationType()

     */

    TNcdInterfaceId OperationType() const;

protected:

    /**

     * Constructor

     *

     * @param aSession is the session that is used between

     *                 the proxy and the server.

     * @param aHandle is the handle that identifies the serverside

     *                object that this proxy uses.

     * @param aRemoveHandler An observer that is called during destruction.

     * @param aNode The node this operation was started from.

     */

    CNcdPurchaseOperationProxy( MNcdClientLocalizer* aLocalizer );

    virtual ~CNcdPurchaseOperationProxy();

    void ConstructL( MCatalogsClientServer& aSession,

                     TInt aHandle,

                     MNcdOperationProxyRemoveHandler* aRemoveHandler,

                     CNcdNodeProxy* aNode,

                     CNcdPurchaseOptionProxy* aSelectedPurchaseOption,

                     MNcdPurchaseOperationObserver* aObserver,

                     CNcdSubscriptionManagerProxy* aSubscriptionManager,

                     CNcdNodeManagerProxy* aNodeManager );

protected: // From CNcdBaseOperationProxy

    /**

     * @see CNcdBaseOperationProxy::HandleCompletedMessage()

     */

    void HandleCompletedMessage( TNcdOperationMessageCompletionId aCompletionId,

        RReadStream& aReadStream, TInt aDataLength );

    /**

     * @see CNcdBaseOperationProxy::ProgressCallback()

     */

    void ProgressCallback();

    /**

     * @see CNcdBaseOperationProxy::QueryReceivedCallback()

     */

    void QueryReceivedCallback( CNcdQuery* aQuery );

    /**

     * @see CNcdBaseOperationProxy::CompleteCallback()

     */

    void CompleteCallback( TInt aError );

    /**

     * @see CNcdBaseOperationProxy::DoCompleteQueryL()

     */    

    void DoCompleteQueryL( MNcdQuery& aQuery );

private: // Data

    /**

     * Operation observer, for callbacks.

     * Observer not own.

     */    

    MNcdPurchaseOperationObserver* iObserver;

    /**

     * Subscription manager proxy.

     * Not own.

     */

    CNcdSubscriptionManagerProxy* iSubscriptionManager;

    /**

     * Pointer to used purchase option.

     * Not own.

     */

    CNcdPurchaseOptionProxy* iPurchaseOption;

    };

#endif // C_NCDPURCHASEOPERATIONPROXY_H