/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Publish and Subscribe key watcher

*

*/

#include <e32base.h>

#include "cmmacallstatemonitor.h"

#include "mmmacallstateobserver.h"

// ---------------------------------------------------------------------------

// Default Constructor

// ---------------------------------------------------------------------------

//

CMMACallStateMonitor::CMMACallStateMonitor(  TUid aUid, TInt aKey,

                                     MMMACallStateObserver* aObserver ) :

                                                     CActive( EPriorityHigh ),

                                                     iObserver( aObserver ),

                                                     iUid( aUid ),

                                                     iKey( aKey )

    {

    }

// ---------------------------------------------------------------------------

// 2nd phased Constructor

// ---------------------------------------------------------------------------

//

void CMMACallStateMonitor::ConstructL()

    {

    CActiveScheduler::Add(this);

    iProperty.Attach( iUid, iKey );

    iProperty.Subscribe( iStatus );

    SetActive();

    }

// ---------------------------------------------------------------------------

// Two-Phased COnstructor

// ---------------------------------------------------------------------------

//

CMMACallStateMonitor* CMMACallStateMonitor::NewL( TUid aUid, TInt aKey,

                                                   MMMACallStateObserver* aObserver )

    {

    CMMACallStateMonitor* self = new(ELeave) CMMACallStateMonitor( aUid, 

                                                           aKey, 

                                                           aObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// ---------------------------------------------------------------------------

// Destructor

// ---------------------------------------------------------------------------

//

CMMACallStateMonitor::~CMMACallStateMonitor()

    {

    Cancel();  // Cancels waiting request

    iProperty.Close();

    }

// ---------------------------------------------------------------------------

// CMMAPSKeyWatcher::RunL

// ---------------------------------------------------------------------------

//

void CMMACallStateMonitor::RunL()

    {

    iProperty.Subscribe( iStatus );

    SetActive();

    // Notify Observer and start watching again

    if( iObserver )

        {

        iObserver->HandleCallStateEventL( iUid, iKey );

        }

    }

// ---------------------------------------------------------------------------

// CMMAPSKeyWatcher::DoCancel

// ---------------------------------------------------------------------------

//

void CMMACallStateMonitor::DoCancel()

    {

    iProperty.Cancel();

    }

// ---------------------------------------------------------------------------

// CMMAPSKeyWatcher::GetValue

// ---------------------------------------------------------------------------

//

TInt CMMACallStateMonitor::GetValue( TInt& aValue )

    {

    return iProperty.Get( aValue );

    }