1 /*

     2 * Copyright (c) 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 *

    16 */

    17  

    18 #include "irpropertychangeao.h"

    19 #include "irpropertyobserver.h" 

    20 #include "irqlogger.h" 

    21 

    22 CIRPropertyChangeAO::CIRPropertyChangeAO(MIRPropertyChangeObserverInterface* aObserver, const TUid& aCategory,

    23         const TUint aKey) : CActive(CActive::EPriorityStandard), iObserver(aObserver), iCategory(aCategory), iKey(aKey)

    24 {

    25     LOG_METHOD;

    26 }

    27 

    28 void CIRPropertyChangeAO::ConstructL()

    29 {

    30     LOG_METHOD;

    31     User::LeaveIfError(iProperty.Attach(iCategory, iKey));

    32     CActiveScheduler::Add(this);     

    33 }

    34 

    35 CIRPropertyChangeAO* CIRPropertyChangeAO::NewL(

    36         MIRPropertyChangeObserverInterface* aObserver, const TUid& aCategory,

    37         const TUint aKey)

    38 {

    39     LOG_METHOD;

    40     CIRPropertyChangeAO* self = new (ELeave) CIRPropertyChangeAO(aObserver,

    41             aCategory, aKey);

    42     CleanupStack::PushL(self);

    43     self->ConstructL();

    44     CleanupStack::Pop(self);

    45     return self;

    46 }

    47 

    48 CIRPropertyChangeAO::~CIRPropertyChangeAO()

    49 {

    50     Cancel();

    51     iProperty.Close();

    52 }

    53 

    54 void CIRPropertyChangeAO::ActivateL()

    55 {

    56     if (!IsActive())

    57     {

    58         RunL();

    59     }

    60 }

    61 

    62 void CIRPropertyChangeAO::RunL()

    63 {

    64     LOG_METHOD;

    65     

    66     if ( KErrNone == iStatus.Int() ) 

    67     {

    68         TInt err = KErrNone;

    69 

    70         err = iProperty.Get(iValueInt);

    71         

    72         if ( KErrNone == err )

    73         {            

    74             iObserver->HandlePropertyChangeL(iCategory, iKey, iValueInt);

    75         }    

    76         else

    77         {

    78             iObserver->HandlePropertyChangeErrorL(iCategory, iKey, err);

    79         }        

    80     }

    81     

    82     iProperty.Subscribe(iStatus);

    83     SetActive();

    84     

    85     //if the iStatus is error, ignore it.

    86 }

    87 

    88 void CIRPropertyChangeAO::DoCancel()

    89 {

    90     iProperty.Cancel();

    91 }

    92 

    93 TBool CIRPropertyChangeAO::ValueInt(TInt& aValue)

    94 {

    95 	TInt tempValue = 0;

    96     TInt err = iProperty.Get(tempValue);

    97     

    98     if ( KErrNone == err )

    99     {

   100     	iValueInt = tempValue;    

   101     	aValue = tempValue;

   102     }

   103     else

   104     {

   105         return EFalse;

   106     }

   107     

   108     return ETrue;

   109 }

   110