1 /*

     2 * Copyright (c) 2005-2007 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:  Monitors the call.

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef MUSAOCALLMONITOR_H

    21 #define MUSPROPERTYMONITOR_H

    22 

    23 #include "musunittesting.h"

    24 #include "mmuscallstateobserver.h"

    25 #include <etelmm.h>

    26 #include <e32base.h>

    27 #include <e32property.h>

    28 

    29 class CMusManager;

    30 

    31 /**

    32  * Monitor, which observes status of current cs call  

    33  *

    34  * @lib musaoplugin.dll

    35  */

    36 class CMusPropertyMonitor : public CActive

    37     {

    38 

    39     public: // constructors and destructor

    40 

    41         /**

    42          * Two-phased constructor. Leaves on failure.

    43          */

    44         static CMusPropertyMonitor* NewL( MMusCallStateObserver& aCallStateObserver );

    45 

    46         /**

    47          * Destructor.

    48          */

    49         ~CMusPropertyMonitor();

    50         

    51         

    52     public: // other public functions

    53         

    54         /*

    55          * Checks from P/S Keys about call state

    56          * @return EFalse if call state is ENoCall otherwise ETrue  

    57          */

    58         TBool IsCallConnected();

    59 

    60 

    61     private:

    62 

    63         /**

    64          * C++ constructor.

    65          */

    66         CMusPropertyMonitor( MMusCallStateObserver& aCallStateObserve );

    67 

    68         /**

    69          * Symbian 2nd-phase constructor.

    70          */

    71         void ConstructL();

    72 

    73 

    74     private:

    75 

    76         /**

    77          * Handles an active object's request completion event.

    78          */

    79         void RunL();

    80         

    81         /**

    82          * cancels of an outstanding request

    83          */        

    84         void DoCancel();

    85 

    86          /*

    87          * Handles a leave occurring in the request completion 

    88          * event handler RunL().

    89          * Always return KErrNone since it must handle this error

    90          * if it comes to this place.

    91          */

    92         TInt RunError( TInt aError );

    93 

    94 

    95 

    96     private:    

    97 

    98         /**

    99          * Instance of RProperty.

   100          */

   101         RProperty iPropertyEvent;    

   102      

   103         /*

   104          * Reference of callstate observer not owned

   105          */

   106         MMusCallStateObserver& iCallStateObserver;

   107 

   108         MUS_UNITTEST( UT_CMusPropertyMonitor )

   109 

   110     };

   111 

   112 #endif // MUSPROPERTYMONITOR_H