1 /*

     2 * Copyright (c) 2002-2004 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 *     This class implements notifications from bearers which is needed when

    16 *     transferring data to/from wap gw.

    17 *

    18 */

    19 

    20 

    21 

    22 #ifndef CMMSBEARERSTATUS_H

    23 #define CMMSBEARERSTATUS_H

    24 

    25 //  INCLUDES

    26 #include    <e32base.h>

    27 #include    <nifman.h>

    28 

    29 #include    "mmssession.h"

    30 

    31 // CONSTANTS

    32 

    33 // MACROS

    34 

    35 // DATA TYPES

    36 

    37 // FUNCTION PROTOTYPES

    38 

    39 // FORWARD DECLARATIONS

    40 class MMmsTransportObserver;

    41 

    42 // CLASS DECLARATION

    43 /**

    44 *  Class for detecting GPRS state and if transfer was cancelled

    45 */

    46 NONSHARABLE_CLASS( CMmsBearerStatus ): public CActive

    47     {

    48     enum TMmsBearerType

    49         {

    50         EMmsBearerGprs = 0,

    51         EMmsBearerWcdma

    52         };

    53 

    54     public:  // Constructors and destructor

    55 

    56         /**

    57         * Two-phased constructor.

    58         * @param aRConnection opened RConnection

    59         */

    60         static CMmsBearerStatus* NewL( RConnection& aRConnection );

    61 

    62         /**

    63         * Destructor.

    64         */

    65         virtual ~CMmsBearerStatus();

    66 

    67     public: // New functions

    68 

    69         /**

    70         * Used to query if the bearer is set to GPRS

    71         * @return True if GPRS, false otherwise

    72         */

    73         TBool IsGprs() const;

    74         

    75         /**

    76         * Used to query if the bearer (GPRS only) is in suspended state

    77         * @return True if suspended, false otherwise

    78         */

    79         TBool IsSuspended();

    80 

    81         /**

    82         * A request function to notify the requester if transfer is cancelled

    83         * NOTE! NotifySuspendResume and NotifyTransferCancel can not be called 

    84         * from same instance at the same time !        

    85         * @param aRequester Pointer to the object making the request 

    86         */

    87         void SubscribeNotification( MMmsTransportObserver* aRequester);

    88 

    89         /**

    90         * Function to set the bearer in use

    91         * @param aBearerType Type of bearer

    92         */

    93         void SetBearer( TMmsBearerType aBearerType );

    94 

    95     public: // Functions from base classes

    96 

    97     protected:  // New functions

    98 

    99     protected:  // Functions from base classes

   100 

   101         /**

   102         * Active object cancellation

   103         */

   104         void DoCancel();

   105 

   106     private:

   107 

   108         /**

   109         * C++ default constructor.

   110         */

   111         CMmsBearerStatus();

   112 

   113         /**

   114         * By default Symbian OS constructor is private.

   115         * @param aRConnection opened RConnection

   116         */

   117         void ConstructL( RConnection& aRConnection );

   118 

   119         /**

   120         * Completion

   121         */

   122         void RunL();

   123 

   124         // By default, prohibit copy constructor

   125         CMmsBearerStatus( const CMmsBearerStatus& );

   126 

   127         // Prohibit assignment operator

   128         CMmsBearerStatus& operator= ( const CMmsBearerStatus& );

   129 

   130     public:     // Data

   131 

   132     protected:  // Data

   133 

   134     private:    // Data

   135 

   136     TMmsBearerType      iBearerType;

   137     MMmsTransportObserver*   iRequester;

   138 

   139     RConnection*        iRConnection;

   140     TNifProgressBuf     iProgressBuffer;

   141 

   142     TBool               iConnected;

   143     TBool               iSuspended;

   144 

   145     public:     // Friend classes

   146     protected:  // Friend classes

   147     private:    // Friend classes

   148 

   149     };

   150 

   151     #include "mmsbearerstatus.inl"

   152 

   153 #endif      // CMMSBEARERSTATUS_H

   154 

   155 // End of File