/*

* Copyright (c) 2005 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: 

*     Two single calls and waiting call state implementation.

*

*/

#ifndef CPHONETWOSINGLESANDWAITING_H

#define CPHONETWOSINGLESANDWAITING_H

// INCLUDES

#include "cphonetwosingles.h"

// FORWARD DECLARATIONS

// CLASS DECLARATION

/**

*  Two single calls and waiting call state

*/

class CPhoneTwoSinglesAndWaiting : public CPhoneTwoSingles

    {

    public:  

        /**

        * Destructor.

        */

        virtual ~CPhoneTwoSinglesAndWaiting();

        /**

        * Creates the Two Singles And Waiting state class

        * @param aStateMachine: a state machine

        * @param aViewCommandHandle: handle to the PhoneUIView

        * @return an instance of class CPhoneSingleAndAlerting

        */

        static CPhoneTwoSinglesAndWaiting* NewL( 

            MPhoneStateMachine* aStateMachine, 

            MPhoneViewCommandHandle* aViewCommandHandle,

            MPhoneCustomization* aPhoneCustomization );

        virtual void HandleKeyMessageL(

            TPhoneKeyEventMessages aMessage,

            TKeyCode aCode );

        /**

        * A message handling function for Phone Engine messages

        * @param aMessage Message from Phone Engine

        * @param aCallId Call id the message concerns

        */

        virtual void HandlePhoneEngineMessageL(

            const TInt aMessage, 

            TInt aCallId );       

        /**

        * HandleError

        * Implements error handling framework

        * @param aErrorInfo: the error info

        */

        IMPORT_C virtual void HandleErrorL( 

    protected:

        /**

        * By default EPOC constructor is private.

        */

        CPhoneTwoSinglesAndWaiting( 

            MPhoneStateMachine* aStateMachine, 

            MPhoneViewCommandHandle* aViewCommandHandle,

            MPhoneCustomization* aPhoneCustomization );

        /**

        * ConstructL()

        */

        virtual void ConstructL();

        virtual void HandleConnectedConferenceL( TInt aCallId );

        virtual void UpdateInCallCbaL();

     private:

        void HandleIdleL( TInt aCallId );

        void StateTransitionToTwoSinglesL();

        void StateTransitionToSingleAndWaitingL();

        /** 

        * Handle state-specific behaviour when number entry is cleared

        */ 

        void HandleNumberEntryClearedL();

        // call id of ringing call

        TInt iRingingCallId;

    };

#endif // CPHONETWOSINGLESANDWAITING_H

// End of File