1 /*

     2 * Copyright (c) 2005 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:   

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef TMCEMEDIASTATE_H

    22 #define TMCEMEDIASTATE_H

    23 

    24 #include <e32std.h>

    25 #include "mcemediadefs.h"

    26 #include "mcesip.h"

    27 

    28 class TMceMccComEvent;

    29 class CMceComSession;

    30 class CSdpDocument;

    31 

    32 /**

    33 *  Represents MM state 

    34 *

    35 */

    36 

    37 class TMceMediaState

    38     {

    39     

    40 public: // Constructors

    41 

    42     /**

    43     * Consructor

    44     */

    45     TMceMediaState( CMceComSession& aSession );

    46 	virtual ~TMceMediaState();

    47 

    48 

    49 public: // new functions

    50 

    51     virtual TMceMMState Id() = 0;

    52 

    53     virtual TMceMediaState* CloneL( CMceComSession& aSession ) const;

    54 

    55     virtual void EntryL();

    56 

    57     virtual void Callback();

    58     

    59     void Pushed();

    60     

    61     TInt StackIndex();

    62     

    63     TBool CallbackAllowed();

    64     

    65     

    66 public: // from mcc

    67 

    68     virtual void MccLinkCreatedL( TMceMccComEvent& aEvent );

    69 

    70     virtual void MccMediaPreparedL( TMceMccComEvent& aEvent );

    71     

    72     virtual void MccMediaStartedL( TMceMccComEvent& aEvent );

    73         

    74     virtual void MccMediaPausedL( TMceMccComEvent& aEvent );

    75     

    76     virtual void MccMediaResumedL( TMceMccComEvent& aEvent );

    77 

    78     virtual void MccError( TInt aError, TMceMccComEvent& aEvent );

    79 

    80 public: //from application/server

    81 

    82 

    83     virtual TMceSipWarningCode DecodeL( CSdpDocument& aSdpDocument );

    84 

    85     virtual CSdpDocument* EncodeL();

    86 

    87     virtual void UpdateL();

    88 

    89     

    90 public: 

    91 

    92     virtual TBool NeedToNegotiate( CSdpDocument* aSdpDocument = NULL );

    93     

    94     virtual TBool ConfirmationNeeded();

    95     

    96     virtual TBool ReservationNeeded();

    97     

    98     virtual TMceReturnStatus ReserveL();

    99     

   100     

   101     void SetRole( TMceNegotiationRole aRole );

   102     

   103     TMceNegotiationRole Role() const;

   104 

   105 protected://state common functions

   106 

   107 

   108 protected://data

   109 

   110     CMceComSession& iSession;

   111     TMceNegotiationRole iRole;

   112     TInt iStackIndex;

   113     

   114     };

   115 

   116 #endif //TMceMEDIASTATE_H

   117 

   118 // End of File