mmsharing/mmshavailability/inc/mmusavacapabilityqueryobserver.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:44:37 +0200
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/*
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* Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Capability query observer 
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*
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*/
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#ifndef MMUSAVACAPABILITYQUERYOBSERVER_H
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#define MMUSAVACAPABILITYQUERYOBSERVER_H
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#include <sipstrconsts.h>
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#include <bamdesca.h>
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class CMusAvaCapabilityQueryBase;
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/**
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 * Capability Query Observer
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 *
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 * @lib musavailabilityplugin.lib
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 */
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class MMusAvaCapabilityQueryObserver
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    {
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public: 
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    virtual void CapabilitiesResolved( const CMusAvaCapabilityQueryBase& aSentQuery ) = 0;
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    virtual void CapabilitiesResolvedL( const TDesC& aUri ) = 0;
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    virtual void SetCapabilitiesResolvedForCingular() = 0;
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    virtual TBool CapabilitiesResolvedForCingular() = 0;
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    /**
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     * This is to advertise MMusAvaCapabilityQueryObserver implementors
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     * about sip header change. It is mainly used in below scneraio but could
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     * be used in future if anyother sip headers has to be set.
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     * 
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     * Incase if we receive OPTIONS request already and 
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     * P-Asserted-Identity Header is present then OPTIONS
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     * request should be sent to this ID. This function should be
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     * called to configure this id in CMusAvaSettingsImp& iSettings
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     *
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     * @aHeaders Array of SIP Headers.    
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     * @aHeaderType Type of the header.
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     * Leavs if Array is empty or pointer is NULL.
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     * Ownership Transferred.
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     */
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    virtual void SipHeadersL(const MDesCArray& aHeaders,
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                          SipStrConsts::TStrings aHeaderType)=0;
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    /**
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     * Advertise about video codec capabilities     
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     */
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    virtual void VideoCodecsResolvedL( const MDesCArray& aVideoCodecs ) = 0;
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    virtual TBool CapabilityQueryAnswered( TBool aAnswered = EFalse ) = 0;
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    };
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#endif //MMUSAVACAPABILITYQUERYOBSERVER_H
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