1 /*

     2 * Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Capability query observer 

    15 *

    16 */

    17 

    18 #ifndef MMUSAVACAPABILITYQUERYOBSERVER_H

    19 #define MMUSAVACAPABILITYQUERYOBSERVER_H

    20 

    21 #include <sipstrconsts.h>

    22 #include <bamdesca.h>

    23 

    24 class CMusAvaCapabilityQueryBase;

    25 

    26 

    27 

    28 /**

    29  * Capability Query Observer

    30  *

    31  * @lib musavailabilityplugin.lib

    32  */

    33 class MMusAvaCapabilityQueryObserver

    34     {

    35 public: 

    36 

    37     virtual void CapabilitiesResolved( const CMusAvaCapabilityQueryBase& aSentQuery ) = 0;

    38     

    39     virtual void CapabilitiesResolvedL( const TDesC& aUri ) = 0;

    40     

    41     virtual void SetCapabilitiesResolvedForCingular() = 0;

    42     

    43     virtual TBool CapabilitiesResolvedForCingular() = 0;

    44 

    45     /**

    46      * This is to advertise MMusAvaCapabilityQueryObserver implementors

    47      * about sip header change. It is mainly used in below scneraio but could

    48      * be used in future if anyother sip headers has to be set.

    49      * 

    50      * Incase if we receive OPTIONS request already and 

    51      * P-Asserted-Identity Header is present then OPTIONS

    52      * request should be sent to this ID. This function should be

    53      * called to configure this id in CMusAvaSettingsImp& iSettings

    54      *

    55      * @aHeaders Array of SIP Headers.    

    56      * @aHeaderType Type of the header.

    57      * Leavs if Array is empty or pointer is NULL.

    58      * Ownership Transferred.

    59      */

    60     virtual void SipHeadersL(const MDesCArray& aHeaders,

    61                           SipStrConsts::TStrings aHeaderType)=0;

    62     

    63     /**

    64      * Advertise about video codec capabilities     

    65      */

    66     virtual void VideoCodecsResolvedL( const MDesCArray& aVideoCodecs ) = 0;

    67     

    68     virtual TBool CapabilityQueryAnswered( TBool aAnswered = EFalse ) = 0;

    69     

    70     };

    71 

    72 

    73 #endif //MMUSAVACAPABILITYQUERYOBSERVER_H

    74