/*

* 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:  Device mode handler

*

*/

// INCLUDE FILES

#include "cpedevicemodehandler.h"

#include "cpemessagehandler.h"

#include "mpecallhandling.h"

#include <talogger.h>

#include <cteldmhandler.h>

// CONSTANTS

_LIT( KPhoneTelDevModeLoadedLib, "telephonydevicemode.dll" );

const TInt KPhoneTelDevModeOrdinal = 1;

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

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

// CPEDeviceModeHandler::CPEDeviceModeHandler

// Constructor can NOT contain any code, that

// might leave.

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

//

CPEDeviceModeHandler::CPEDeviceModeHandler(

    MPECallHandling& aCallHandling,

    CPEMessageHandler& aMessageHandler

)

    : iCallHandling( aCallHandling ),

      iMessageHandler ( aMessageHandler)

    {

    }

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

// CPEDeviceModeHandler::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CPEDeviceModeHandler::ConstructL()

    {

    LoadLibraryL();

    }

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

// CPEDeviceModeHandler::NewL

// Two-phased constructor.

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

//

CPEDeviceModeHandler* CPEDeviceModeHandler::NewL(

    MPECallHandling& aCallHandling,

    CPEMessageHandler& aMessageHandler

    )

    {

    CPEDeviceModeHandler* self = new( ELeave ) CPEDeviceModeHandler(

        aCallHandling, aMessageHandler );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// Destructor

CPEDeviceModeHandler::~CPEDeviceModeHandler()

    {

    if ( iTelDevModeHandler )

        {

        delete iTelDevModeHandler;

        iLibrary.Close();

        }

    }

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

//  CPEDeviceModeHandler::Answer

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

//

void CPEDeviceModeHandler::Answer()

    {

    TEFLOGSTRING( KTAOBJECT, "PE CPEDeviceModeHandler::Answer" );

    // Checking for available ringing call is done in CallHandling,

    // no need to do it here. If a ringing call was not found, the

    // error code equals "ECCPErrorNotFound".

    iMessageHandler.HandleAnswerCall( EFalse );

    }

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

// CPEDeviceModeHandler::EndVoiceCalls

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

//

void CPEDeviceModeHandler::EndVoiceCalls()

    {

    TEFLOGSTRING( KTAOBJECT, "PE CPEDeviceModeHandler::EndVoiceCalls" );

    if ( iCallHandling.GetNumberOfCalls() > 0 ) // there is ongoing call(s)

        {

        iMessageHandler.HandleReleaseAll();    

        }

    }

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

// CPEDeviceModeHandler::LoadLibraryL

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

//

void CPEDeviceModeHandler::LoadLibraryL()

    {

    TEFLOGSTRING( KTAOBJECT, "PE CPEDeviceModeHandler::LoadLibraryL" );

    if ( !iTelDevModeHandler )

        {

        User::LeaveIfError( iLibrary.Load( KPhoneTelDevModeLoadedLib ) );

        TInt res = iLibrary.Lookup( KPhoneTelDevModeOrdinal )();

        iTelDevModeHandler = reinterpret_cast< CTelDMHandler* >( res );

        if( !iTelDevModeHandler )

            {

            iLibrary.Close();

            // Null returned, so leave.

            User::Leave( ECCPErrorNotSupported );

            }        

        else

            {

            iTelDevModeHandler->SetObserverL( this );

            }

        }

    }

// End of File