/*

* Copyright (c) 2002-2006 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:  Listens to call state changes and informs control. 

*

*/

// INCLUDE FILES

#include <ctsydomainpskeys.h>

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES  

// CONSTANTS

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// ============================= LOCAL FUNCTIONS ===============================

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

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

// CPhoneHandlerCallState::CPhoneHandlerCallState

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CPhoneHandlerCallState::CPhoneHandlerCallState( CPhoneHandlerControl& aControl )

:   CActive(CActive::EPriorityStandard),

    iControl( aControl )

    {

    CActiveScheduler::Add(this);

    } 

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

// CPhoneHandlerCallState::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CPhoneHandlerCallState::ConstructL()

    {

    COM_TRACE_( "[PHONECMDHANDLER] CPhoneHandlerCallState::ConstructL() start" );

    // Allows CPhoneHandlerCallState to start to listen S60 call states.

    User::LeaveIfError( 

        iProperty.Attach( KPSUidCtsyCallInformation, KCTsyCallState ) );

    Subscribe();

    COM_TRACE_( "[PHONECMDHANDLER] CPhoneHandlerCallState::ConstructL() end" );

    }

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

// CPhoneHandlerCallState::NewL

// Two-phased constructor.

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

CPhoneHandlerCallState* CPhoneHandlerCallState::NewL( CPhoneHandlerControl& aControl )

    {

    COM_TRACE_( "[PHONECMDHANDLER] CPhoneHandlerCallState::NewL()" );

    CPhoneHandlerCallState* self = new(ELeave) CPhoneHandlerCallState( aControl );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// Destructor

CPhoneHandlerCallState::~CPhoneHandlerCallState()

    {

    COM_TRACE_( "[PHONECMDHANDLER] CPhoneHandlerCallState::~CPhoneHandlerCallState() start" );

    Cancel();

    iProperty.Cancel();

    iProperty.Close();

    COM_TRACE_( "[PHONECMDHANDLER] CPhoneHandlerCallState::~CPhoneHandlerCallState() end" );

    }

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

// CPhoneHandlerCallState::RunL()

// Informs caller of an asynchronous request that it has been completed.

// (other items were commented in a header).

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

//

void CPhoneHandlerCallState::RunL()

    {

    COM_TRACE_1( "[PHONECMDHANDLER] CPhoneHandlerCallState::RunL() - return code = %d", iStatus.Int() );

    TInt state( 0 );

    iProperty.Get( state );

    COM_TRACE_1( "[PHONECMDHANDLER] CPhoneHandlerCallState - KTelephonyCallState = %d", state );

    if( iStatus.Int() == KErrNone )

        {

        iControl.NotifyCallState( state );

        }

    Subscribe();

    }

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

// CPhoneHandlerCallState::DoCancel

// (other items were commented in a header).

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

//

void CPhoneHandlerCallState::DoCancel()

    {

    COM_TRACE_( "[PHONECMDHANDLER] CPhoneHandlerCallState::DoCancel()" );

    iProperty.Cancel();

    }

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

// CPhoneHandlerCallState::Subscribe

// Start to listen changes in call state.

// (other items were commented in a header).

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

//

void CPhoneHandlerCallState::Subscribe()

    {

    COM_TRACE_( "[PHONECMDHANDLER] CPhoneHandlerCallState::Subscribe()" );

    iProperty.Subscribe( iStatus );

    SetActive();

    }

//

// End of file