multimediacommsengine/mmcesrv/mmceserver/src/mcestateanswering.cpp
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     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 
       
    22 #include "mcestateanswering.h"
       
    23 #include "mcesipsession.h"
       
    24 #include "mceactionset.h"
       
    25 #include "mcefcactionset.h"
       
    26 #include "mceclientserver.h"
       
    27 
       
    28 
       
    29 // -----------------------------------------------------------------------------
       
    30 // CMceStateAnswering::CMceStateAnswering
       
    31 // -----------------------------------------------------------------------------
       
    32 //
       
    33 CMceStateAnswering::CMceStateAnswering ()
       
    34     : CMceState( KMceStateAnswering)
       
    35 	{
       
    36 	}
       
    37 
       
    38 
       
    39 // -----------------------------------------------------------------------------
       
    40 // CMceStateAnswering::~CMceStateAnswering
       
    41 // -----------------------------------------------------------------------------
       
    42 //
       
    43 CMceStateAnswering::~CMceStateAnswering()
       
    44 	{
       
    45 	}
       
    46 
       
    47 
       
    48 // -----------------------------------------------------------------------------
       
    49 // CMceStateAnswering::DoAcceptL
       
    50 // -----------------------------------------------------------------------------
       
    51 //
       
    52 TBool CMceStateAnswering::DoAcceptL( TMceStateTransitionEvent& aEvent )
       
    53 	{
       
    54 
       
    55     User::LeaveIfError(
       
    56       aEvent.Code() == EMceItcEnable  ||
       
    57       aEvent.Code() == EMceItcDisable ||
       
    58       aEvent.Code() == EMceAck ||
       
    59       aEvent.Code() == EMceBye ||
       
    60       IsExtensionRequestEvent( aEvent )
       
    61       
       
    62         ? KErrNone : KErrTotalLossOfPrecision );
       
    63     
       
    64 	return ETrue;
       
    65 	}
       
    66 
       
    67 // -----------------------------------------------------------------------------
       
    68 // CMceStateAnswering::EntryL
       
    69 // -----------------------------------------------------------------------------
       
    70 //
       
    71 void CMceStateAnswering::EntryL( TMceStateTransitionEvent& aEvent )
       
    72     {
       
    73     if ( IsExtensionRequestEvent( aEvent ))
       
    74 		{
       
    75 		HandleExtensionRequestEventL( aEvent );	
       
    76 		}
       
    77     
       
    78     else
       
    79     	{
       
    80 		CMceSipSession& session = aEvent.Session();
       
    81 			
       
    82 	    switch ( aEvent.Code() )
       
    83 	        {
       
    84 	        case EMceBye:
       
    85 	            {
       
    86 	            EntryByeL( aEvent );
       
    87 	            break;
       
    88 	            }
       
    89 	        case EMceItcEnable:
       
    90 	        case EMceItcDisable:
       
    91 	            {
       
    92 	            session.Actions().ControlMediaL( aEvent.ParamIDs(), 
       
    93 	                                             (TMceItcFunctions)aEvent.Code() );
       
    94 	            break;
       
    95 	            }
       
    96 	        default:
       
    97 	            {
       
    98 	            }
       
    99 	        }
       
   100     	}
       
   101     }
       
   102 
       
   103 
       
   104 // -----------------------------------------------------------------------------
       
   105 // CMceStateAnswering::StateEntry
       
   106 // -----------------------------------------------------------------------------
       
   107 //
       
   108 void CMceStateAnswering::StateEntry( TMceStateTransitionEvent& aEvent )
       
   109     {
       
   110     CMceState::StateEntry( aEvent );
       
   111     
       
   112 	CMceSipSession& session = aEvent.Session();
       
   113     
       
   114     session.Actions().StopPendingTimer();
       
   115     
       
   116     }
       
   117 
       
   118 // -----------------------------------------------------------------------------
       
   119 // CMceStateAnswering::EntryByeL
       
   120 // -----------------------------------------------------------------------------
       
   121 //
       
   122 void CMceStateAnswering::EntryByeL( TMceStateTransitionEvent& aEvent )
       
   123     {
       
   124 	CMceSipSession& session = aEvent.Session();
       
   125 	
       
   126     //send 200OK and stop media and FC
       
   127     session.Actions().Send200OKL( session.Request() );
       
   128     session.Actions().StopMedia();
       
   129     session.FCActions().ReleaseFC();
       
   130 	
       
   131     }
       
   132         
       
   133 // -----------------------------------------------------------------------------
       
   134 // CMceStateAnswering::ExitL
       
   135 // -----------------------------------------------------------------------------
       
   136 //
       
   137 void CMceStateAnswering::ExitL( TMceStateTransitionEvent& aEvent )
       
   138 	{
       
   139 
       
   140 	if ( IsExtensionRequestEvent( aEvent ))
       
   141 		{
       
   142 		//Do Nothing;
       
   143 		}
       
   144 		
       
   145 	else
       
   146 		{
       
   147 		CMceSipSession& session = aEvent.Session();
       
   148 			
       
   149 	    switch ( aEvent.Code() )
       
   150 	        {
       
   151 	        //received BYE causes server & client to terminated state
       
   152 	        case EMceBye:
       
   153 	            {
       
   154 	            session.Actions().StateChanged( KMceStateTerminated );
       
   155 	            session.Actions().ClientStateChangedL( 
       
   156 	                CMceSession::ETerminated, session.Request() );
       
   157 	            break;
       
   158 	            }
       
   159 	        case EMceItcEnable:
       
   160 	        case EMceItcDisable:
       
   161 	            {
       
   162 	            //NOP
       
   163 	            break;
       
   164 	            }
       
   165 	        default:
       
   166 	            {	
       
   167 			    session.Actions().StateChanged( KMceStateEstablished );
       
   168 			    session.Actions().ClientStateChangedL( CMceSession::EEstablished, session.Request() );    
       
   169 	            }
       
   170 	        }
       
   171 		}
       
   172 	}
       
   173 
       
   174 
       
   175 
       
   176 
       
   177 // End of File
       
   178