/*

* Copyright (c) 2002 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:  Ext Phone for dialing.

*

*/

// INCLUDE FILES

#include    <e32std.h>

// LOCAL CONSTANTS AND MACROS

// Panic codes.

enum TPhCltExtPhonePanic

    {

    EPhCltExtPhonePanicNoObserver,           // No observer found.

    EPhCltExtPhonePanicInvalidOperationMode  // Operation mode was invalid.

    };

// LOCAL FUNCTION PROTOTYPES

// Panic function. Called if panic situation happens.

void Panic( TPhCltExtPhonePanic aPanic );

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

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

// Panic

// 

// Panics the client

//

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

//

void Panic( TPhCltExtPhonePanic aPanic )

    {

    _LIT(KPhCltExtPhonePanicCategory, "CPhCltExtPhone");

    User::Panic( KPhCltExtPhonePanicCategory, aPanic );

    }

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

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

// CPhCltExtPhone::NewL

// Two-phased constructor.

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

//

CPhCltExtPhone* CPhCltExtPhone::NewL( MPhCltExtPhoneObserver* aObserver )

    {

    CPhCltExtPhone* self = new ( ELeave ) CPhCltExtPhone( aObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }   

// Destructor

CPhCltExtPhone::~CPhCltExtPhone()

    {

    // Cancel, close subsessions and finally close the session.

    Cancel();

    iCall.Close();

    iServer.Close();

    }

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

// CPhCltExtPhone::DialL

// 

// If a request is pending, leave with error code KErrInUse.

// Otherwise, create a dial request. 

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

//

void CPhCltExtPhone::DialL( const TPhCltExtPhoneDialData& aData )

    {

    DialPreconditionCheckL();

    iCall.Dial( iStatus, aData );

    }

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

// CPhCltExtPhone::CPhCltExtPhone

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

//

CPhCltExtPhone::CPhCltExtPhone( MPhCltExtPhoneObserver* aObserver )

    : CPhCltExtPhoneBase( aObserver ), iMode( EIdle )

    {

    CActiveScheduler::Add( this );

    }

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

// CPhCltExtPhone::ConstructL

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

//

void CPhCltExtPhone::ConstructL() 

    {

    User::LeaveIfError( iServer.Connect() );

    User::LeaveIfError( iCall.Open( iServer ) );

    }

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

// CPhCltExtPhone::RunL

// 

// The method is called when a request is completed. Thus,

// it calls appropriate observer method.

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

//

void CPhCltExtPhone::RunL()

    {

    __ASSERT_ALWAYS( iObserver, Panic( EPhCltExtPhonePanicNoObserver ) );

    if( iStatus != KErrCancel )

        {

        switch( iMode )

            {                         

            case EDialling:

                iObserver->HandleDialL( iStatus.Int() );

                break;

            case EIdle:

                break;

            default:

                Panic( EPhCltExtPhonePanicInvalidOperationMode );

                break;

            }

        }

    }

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

// CPhCltExtPhone::DoCancel

// 

// Cancels the pending request.

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

//

void CPhCltExtPhone::DoCancel()

    {

    switch( iMode )

        {                         

        case EDialling:

            iCall.CancelDial();

            break;

        case EIdle:

            break;

        default:

            Panic( EPhCltExtPhonePanicInvalidOperationMode );

            break;

        }

    }

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

// CPhCltExtPhone::DialPreconditionCheckL

// 

// See header

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

//

void CPhCltExtPhone::DialPreconditionCheckL()

    {

    if( IsActive() )

        {

        User::Leave( KErrInUse );

        }

    if( iCall.SubSessionHandle() == 0 )

        {

        User::Leave( KErrBadHandle );

        }

    iMode = EDialling;

    SetActive();

    }

//  End of File