1 /*

     2 * Copyright (c) 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:  Resolving state description.

    15 *

    16 */

    17 

    18 #ifndef NSPSTATERESOLVING_H

    19 #define NSPSTATERESOLVING_H

    20 

    21 #include "nspstatebase.h"

    22 

    23 /**

    24  *  State where Candidate pairs are waited from NAT FW.

    25  *

    26  *  Each media stream component should receive one candidate pair,

    27  *  which are used to modify Sdp incase of Ice.

    28  *  This is Ice specific state.

    29  *

    30  *  @lib natfwsdpprovider.dll

    31  *  @since S60 3.2

    32  */

    33 class CNSPStateResolving : public CNSPStateBase

    34     {

    35 public: // Constructors and destructor

    36 

    37     /**

    38      * A two-phase constructor.

    39      */

    40     static CNSPStateResolving* NewL();

    41     

    42     /**

    43      * A two-phase constructor.

    44      */

    45     static CNSPStateResolving* NewLC();

    46     

    47     /**

    48      * Destructor.

    49      */

    50     virtual ~CNSPStateResolving();

    51 

    52 

    53 private: // Constructors and destructor

    54 

    55     CNSPStateResolving();

    56 

    57 

    58 protected: // From CNSPStateBase

    59 

    60     /**

    61      * Called to check if individual state accepts event, i.e.

    62      * whether to execute DoApplyL.

    63      *

    64      * @since       S60 3.2

    65      * @param       aEvent          State machine event.

    66      * @return      ETrue if event is accepted, EFalse otherwise.

    67      */

    68     TBool DoAcceptL( TNSPStateMachineEvent& aEvent );

    69     

    70     /**

    71      * Called when the state is entered.

    72      * 

    73      * @since       S60 3.2

    74      * @param       aEvent          State machine event.

    75      */

    76     void DoStateEntryL( TNSPStateMachineEvent& aEvent );

    77     

    78     /**

    79      * Called when state entry to next state will leave, and return

    80      * into 'this' state must be done.

    81      * 

    82      * @since       S60 3.2

    83      * @param       aEvent          State machine event.

    84      */

    85     void DoReverse( TNSPStateMachineEvent& aEvent );

    86     

    87     /**

    88      * Current state is applied with this method.

    89      * 

    90      * @since       S60 3.2

    91      * @param       aEvent          State machine event.

    92      */

    93     void DoApplyL( TNSPStateMachineEvent& aEvent );

    94     

    95     /**

    96      * Current state is exited with this method.

    97      * 

    98      * @since       S60 3.2

    99      * @param       aEvent          State machine event.

   100      */

   101     void DoExitL( TNSPStateMachineEvent& aEvent );

   102 

   103 

   104 private: // New functions

   105 

   106 	void ControlMediaL( TNSPStateMachineEvent& aEvent ) const;

   107 	

   108     void ApplyUpdateL( TNSPStateMachineEvent& aEvent ) const;

   109     

   110     };

   111 

   112 #endif // NSPSTATERESOLVING_H

   113 

   114 // end of file