1 /*

     2 * Copyright (c) 2010 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:  Notify service class about connection state.

    15 *

    16 */

    17 

    18 #include "cautoaudioasypropertyobserver.h" 

    19 #include "autoaudiopskeys.h"

    20 #include "mautoaudioasypropertylistener.h"

    21 

    22 #include "acc_debug.h"

    23 

    24 // ---------------------------------------------------------------------------

    25 // CAutoAudioAsyPropertyObserver::NewL

    26 // ---------------------------------------------------------------------------

    27 CAutoAudioAsyPropertyObserver* CAutoAudioAsyPropertyObserver::NewL ( TUid aCategory, TUint aKey,

    28         MAutoAudioAsyPropertyListener& aListener )

    29 	{

    30     COM_TRACE_1 ( "[AccFW:AutoAudioAsy] CAutoAudioAsyPropertyObserver::NewL(), key- %d", aKey );

    31     return new ( ELeave ) CAutoAudioAsyPropertyObserver ( aCategory, aKey, aListener );

    32 	}

    33 

    34 // ---------------------------------------------------------------------------

    35 // CAutoAudioAsyPropertyObserver::CAutoAudioAsyPropertyObserver

    36 // ---------------------------------------------------------------------------

    37 CAutoAudioAsyPropertyObserver::CAutoAudioAsyPropertyObserver ( TUid aCategory, TUint aKey,

    38         MAutoAudioAsyPropertyListener& aListener ):

    39     CActive ( EPriorityStandard ),

    40     iCategory ( aCategory ), iKey ( aKey ), iListener ( aListener )

    41     {

    42     CActiveScheduler::Add ( this );    

    43     iProperty.Attach ( iCategory, iKey );

    44     iProperty.Subscribe ( iStatus );

    45     SetActive ();

    46     }

    47 

    48 // ---------------------------------------------------------------------------

    49 // CAutoAudioAsyPropertyObserver::~CAutoAudioAsyPropertyObserver

    50 // ---------------------------------------------------------------------------

    51 CAutoAudioAsyPropertyObserver::~CAutoAudioAsyPropertyObserver ()

    52     {

    53     COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyPropertyObserver::~CAutoAudioAsyPropertyObserver");

    54     Cancel ();

    55     iProperty.Close ();

    56     }

    57 

    58 // ---------------------------------------------------------------------------

    59 // CAutoAudioAsyPropertyObserver::RunL

    60 // ---------------------------------------------------------------------------

    61 void CAutoAudioAsyPropertyObserver::RunL ()

    62     {                      

    63     COM_TRACE_ ( "AccFW:AutoAudioAsy] CAutoAudioAsyPropertyObserver::RunL");

    64 

    65     TInt status = iStatus.Int ();

    66     COM_TRACE_3 ( "[AccFW:AutoAudioAsy] key 0x%08x/%u changed, status %d", iCategory.iUid, iKey, status );

    67     // Subscribe for the next change BEFORE invoking the listener to make sure

    68     // that we never miss any property changes.

    69     iProperty.Subscribe ( iStatus );

    70     SetActive ();

    71 

    72     // Notify the listener

    73     iListener.PropertyChange ( iProperty, iCategory, iKey, status );

    74     }

    75 

    76 // ---------------------------------------------------------------------------

    77 // CAutoAudioAsyPropertyObserver::DoCancel

    78 // ---------------------------------------------------------------------------

    79 void CAutoAudioAsyPropertyObserver::DoCancel ()

    80     {

    81     COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyPropertyObserver::DoCancel" );

    82     iProperty.Cancel ();

    83     }    

    84 

    85 // ---------------------------------------------------------------------------

    86 // CAutoAudioAsyPropertyObserver::RunError

    87 // ---------------------------------------------------------------------------

    88 TInt CAutoAudioAsyPropertyObserver::RunError ( TInt /* aError */ )

    89 	{

    90     COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyPropertyObserver::RunError" );

    91     return KErrNone;

    92 	}