/*

* Copyright (c) 2005-2006 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:  Sent SWIS capability query (OPTIONS)

*

*/

#ifndef CMUSAVACAPABILITYQUERY_H

#define CMUSAVACAPABILITYQUERY_H

#include "musavacapabilityquerybase.h"

#include "musavacapabilitytimer.h"

class CSIPResponseElements;

class CMusAvaCapability;

class CSdpDocument;

const TInt KCapabilityTimervalue = 20 * 1000000;

/**

 * Sent SWIS capability query (OPTIONS)

 *

 * @lib AlwaysOnlineSwisPlugin.dll

 */

class CMusAvaCapabilityQuery : public CMusAvaCapabilityQueryBase,

                                 public CMusAvaCapabilityTimer::MTimeOutNotify

    {

public: // constructors and destructor

    static CMusAvaCapabilityQuery* NewL( CMusAvaCapability& aCapability,

                                           CSIPConnection& aSIPConnection,

                                           CSIPProfile& aProfile,

                                           const TDesC& aSipAddress );

    virtual ~CMusAvaCapabilityQuery();

protected: // constructors

    CMusAvaCapabilityQuery( CMusAvaCapability& aCapability,

                              CSIPConnection& aSIPConnection,

                              CSIPProfile& aProfile );

    void ConstructL( const TDesC& aSipAddress );

public: // from CMusAvaCapabilityTimer::MTimeOutNotify

    /**

     * Called when timer expires

     *

     * @param aStatus status

     */

    void OnExpiredL( TInt aStatus );

protected: // from CMusAvaCapabilityQueryBase

    /**

     * Prepares query

     *

     * @param aRequestHeaders headers container for request

     */

    void Prepare( RPointerArray<CSIPHeaderBase>& aRequestHeaders );

    /**

     * Complets the query

     *

     * @param aResponse a response to query as SIP client transaction

     */

    void DoCompletedL( const CSIPClientTransaction& aResponse );

    /**

     * Complets the query with 200 OK

     *

     * @param aResponse a response to query as SIP client transaction

     */

    virtual void DoCompleted200OKL( 

                        const CSIPClientTransaction& aResponse );

    /**

     * Validates and store the supported codecs

     *

     * @param aSDP SDP document

     * @return ETrue, if validation is OK

     */

    virtual TBool ValidateAndStoreCodecsL( CSdpDocument& aSDP );

    /**

     * Validates atributes

     *

     * @param aSDP SDP document

     * @return ETrue, if OK

     */

    virtual TBool ValidateAttributesL( CSdpDocument& aSDP );

    /**

     * Validates Contact header parameters

     *

     * @param aResponse a response to query as SIP client transaction

     * @return ETrue, if OK

     */

    virtual TBool ValidateContactL( const CSIPClientTransaction& aResponse );

    /**

     * Retries query

     *

     */

    void DoRetryL();

    /**

     * Set/Get re-trying status

     *

     * @return re-trying status

     */

    TBool& Retrying();

private: // OWNED data

    CMusAvaCapabilityTimer* iTimer;

private: // data

    TBool iRetrying;

//for unit testing

    CAPABILITY_UT_DEFINITIONS

    };

#endif // CMUSAVACAPABILITYQUERY_H