1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 

    17 #include <e32base.h>

    18 #include <e32cons.h>

    19 #include <e32property.h>

    20 #include "CSimPubSubChange.h"

    21 

    22 

    23 CSimPubSubChange::CSimPubSubChange(MPubSubChangeCallback* aCallback, CSimPubSub::TPubSubProperty aProperty)

    24 	: CActive(EPriorityStandard),  iCallback(aCallback), iPSProperty(aProperty)

    25 	{

    26 	CActiveScheduler::Add(this);

    27 	}

    28 	

    29 CSimPubSubChange* CSimPubSubChange::NewL(MPubSubChangeCallback* aCallback, CSimPubSub::TPubSubProperty aProperty)

    30 	{

    31 	CSimPubSubChange* self = new (ELeave) CSimPubSubChange(aCallback, aProperty);

    32 	CleanupStack::PushL(self);

    33 	self->ConstructL();

    34 	CleanupStack::Pop(self);

    35 	return self;

    36 	}

    37 	

    38 void CSimPubSubChange::ConstructL()

    39 	{

    40 	iProp.Attach(iPSProperty.iCategory, iPSProperty.iKey);

    41 	iProp.Subscribe(iStatus);

    42 	SetActive();

    43 	}

    44 

    45 CSimPubSubChange::~CSimPubSubChange()

    46 	{ 

    47 	Cancel();

    48 	iProp.Close();

    49 	}

    50 

    51 void CSimPubSubChange::RunL()

    52 	{

    53 	//Resubscribe before retrieving the value so we don't miss any changes

    54 	TInt status = iStatus.Int();

    55 	iProp.Subscribe(iStatus);

    56 	SetActive();

    57 	

    58 	if(status == KErrNone)

    59 		{

    60 		TInt newStat;

    61 		TInt ret = iProp.Get(iPSProperty.iCategory, iPSProperty.iKey, newStat);

    62 		if (ret == KErrNone)

    63 			{

    64 			iCallback->PubSubCallback(newStat);

    65 			}	

    66 		}	

    67 	}

    68 

    69 void CSimPubSubChange::DoCancel()

    70 	{

    71 	iProp.Cancel();

    72 	}