1 /*

     2 * Copyright (c) 2005-2009 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 * Name          : CSigCompMgr.h

    16 * Part of       : Dialogs

    17 * Version       : SIP/4.0 

    18 *

    19 */

    20 

    21 

    22 

    23 

    24 /**

    25  @internalComponent

    26 */

    27 

    28 

    29 #ifndef CSIGCOMPMGR_H

    30 #define CSIGCOMPMGR_H

    31 

    32 #include <e32base.h>

    33 #include <stringpool.h>

    34 #include "_sipcodecdefs.h"

    35 

    36 class MSigComp;

    37 class CURIContainer;

    38 class CSIPURI;

    39 class CSIPRouteHeader;

    40 

    41 

    42 /**

    43  * @brief Class for using and unusing signalling compression

    44  *

    45  */

    46 class CSigCompMgr : public CBase

    47 	{

    48 public:

    49 

    50 	/**

    51 	 * Creates a new CSigCompMgr instance

    52 	 * @returns a new instance of CSigCompMgr

    53 	 */

    54     static CSigCompMgr* NewL (TUint32 aIapId,

    55                               MSigComp& aSigComp);

    56 

    57 	/**

    58 	 * Creates a new CSigCompMgr instance and pushes it to CleanupStack

    59 	 * @returns a new instance of CSigCompMgr

    60 	 */

    61     static CSigCompMgr* NewLC (TUint32 aIapId,

    62                                MSigComp& aSigComp);

    63 

    64 	/**

    65 	 * Destructor

    66 	 */

    67     ~CSigCompMgr();

    68 

    69 	/**

    70 	 * Updates the compression information. This might lead into

    71      * deleting a used compartment or/and creation of a new one. 

    72 	 * @param aRemoteTarget the URI in the remote Contact

    73      * @param aRouteSet the dialog's current Route-set.

    74 	 * @param aLocalTarget the local target of the dialog.

    75 	 *        If not zero and compression is used contains 

    76 	 *        on return comp=sigcomp parameter.

    77 	 *        If not zero and compression is not used

    78 	 *        comp=sigcomp parameter is removed.

    79      */

    80     void UpdateL (const CURIContainer& aRemoteTarget,

    81                   const RPointerArray<CSIPRouteHeader>& aRouteSet,

    82 				  CSIPURI& aLocalTarget,

    83 				  TBool aUpdateLocalTarget=ETrue);

    84 	

    85 	/**

    86 	 * Gets the current compartment id

    87 	 * @returns zero if no compartment is used. Otherwise the compartment id.

    88 	 */	

    89 	TUint32 CompartmentId() const;

    90 

    91 private:

    92 

    93 	CSigCompMgr (TUint32 aIapId, MSigComp& aSigComp);

    94 

    95     TBool HasSigCompParameter (const CSIPURI& aURI) const;

    96     void UpdateL (const CSIPURI& aURI);

    97 	

    98 private: // Data

    99 	

   100     TUint32 iIapId;

   101     MSigComp& iSigComp;

   102 	RStringF iCompParamName;

   103 	RStringF iSigCompValue;

   104     TUint32 iCompartmentId;

   105 

   106 private: // For testing purposes

   107 

   108 	UNIT_TEST(CSigCompMgrTest)

   109 	};

   110 

   111 #endif // CSIGCOMPMGR_H

   112 

   113 // End of File