/*

* Copyright (c) 2009 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: CCH UI Call State Listener

*

*/

#include <ctsydomainpskeys.h>

#include  "cchuicallstatelistener.h"

#include  "cchuicallstateobserver.h"

#include  "cchuilogger.h"

// ======== MEMBER FUNCTIONS ========

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

// CCchUiCallStateListener::CCchUiCallStateListener

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

//

CCchUiCallStateListener::CCchUiCallStateListener(

    MCchUiCallStateObserver& aObserver ):

    CActive( CActive::EPriorityStandard ),

    iObserver( aObserver )

    {

    CActiveScheduler::Add( this );

    iProperty.Attach( KPSUidCtsyCallInformation, KCTsyCallState );

    IssueRequest();

    }

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

// CCchUiCallStateListener::NewL

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

//

CCchUiCallStateListener* CCchUiCallStateListener::NewL(

    MCchUiCallStateObserver& aObserver )

    {

    CCchUiCallStateListener* self = new ( ELeave ) CCchUiCallStateListener(

        aObserver );

    CCHUIDEBUG2( "CCchUiCallStateListener::NewL this=%d", (TInt)self );

    return self;

    }

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

// CCchUiCallStateListener::~CCchUiCallStateListener

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

//

CCchUiCallStateListener::~CCchUiCallStateListener()

    {

    CCHUIDEBUG( "CCchUiCallStateListener::~CCchUiCallStateListener - Start" );

    Cancel();

    iProperty.Close();

    CCHUIDEBUG( "CCchUiCallStateListener::~CCchUiCallStateListener - End" );

    }

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

// From class CActive

// CCchUiCallStateListener::RunL

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

//

void CCchUiCallStateListener::RunL()

    { 

    if ( iStatus.Int() == KErrNone )

        {

        HandleChange();

        }

    IssueRequest();

    }

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

// From class CActive

// CCchUiCallStateListener::DoCancel

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

//

void CCchUiCallStateListener::DoCancel()

    {

    iProperty.Cancel();

    }

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

// CCchUiCallStateListener::HandleChange

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

//

void CCchUiCallStateListener::HandleChange()

    {

    CCHUIDEBUG( "CCchUiCallStateListener::HandleChange - Start" );

    TInt err = RProperty::Get( KPSUidCtsyCallInformation,

                               KCTsyCallState,

                               iCallState );

    if ( err == KErrNone )

        {

        iObserver.CallStateChanged( iCallState );

        }

    CCHUIDEBUG( "CCchUiCallStateListener::HandleChange - End" );

    }

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

// CCchUiCallStateListener::IssueRequest

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

//

void CCchUiCallStateListener::IssueRequest()

    {

    if ( !IsActive() )

        {

        iProperty.Subscribe( iStatus );

        SetActive();

        }

    }