/*

* 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: 

*     Single And Waiting state implementation.

*

*/

#ifndef CPHONESINGLEANDWAITING_H

#define CPHONESINGLEANDWAITING_H

// INCLUDES

#include "cphonegsmincall.h"

// FORWARD DECLARATIONS

// CLASS DECLARATION

/**

*  Incoming call at single state implementation.

*/

class CPhoneSingleAndWaiting : public CPhoneGsmInCall

    {

    public:  

        /**

        * Destructor.

        */

        virtual ~CPhoneSingleAndWaiting();

        /**

        * Creates the Single And Waiting state class

        * @param aStateMachine: a container of state objects

        * @param aViewCommandHandle: handle to the PhoneUIView

        * @return an instance of class CPhoneStateIncoming

        */

        static CPhoneSingleAndWaiting* NewL( 

            MPhoneStateMachine* aStateMachine, 

            MPhoneViewCommandHandle* aViewCommandHandle,

            MPhoneCustomization* aPhoneCustomization );

        /**

        * 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 );     

        /**

        * Handles user selected UI commands.

        * @param aCommand - selected command

        TBool HandleCommandL( TInt aCommand );  

    protected:

        /**

        * By default constructor is private.

        */

        CPhoneSingleAndWaiting( 

            MPhoneStateMachine* aStateMachine, 

            MPhoneViewCommandHandle* aViewCommandHandle,

            MPhoneCustomization* aPhoneCustomization );

        /**

        * HandleError

        * Implements error handling framework

        * @param aErrorInfo: the error info

        */

        IMPORT_C virtual void HandleErrorL( 

            const TPEErrorInfo& aErrorInfo );    

        /**

        * ConstructL()

        */

        virtual void ConstructL();

        /**

        * Handles key messages.

        * @param aMessage - key event message

        * @param aScanCode - standard Symbian scan code

        */

        virtual void HandleKeyMessageL(

            TPhoneKeyEventMessages aMessage,

            TKeyCode aCode );

        /**

        * Opens menu bar.

        */    

        virtual void OpenMenuBarL();

        /**

        * Sets correct in call CBAs.

        */

        virtual void UpdateInCallCbaL();

     private:

     	/**

     	* Unholds the call.

     	* @param aCallId - call id to unhold

     	*/

        void HandleUnholdL( TInt aCallId );

     	/**

     	* Performs a state transition to Two Singles.

     	* @param aCallId - call id that got connected

     	*/

        void MakeStateTransitionToTwoSinglesL( TInt aCallId );

        /**

        * Handles received idle message from Phone Engine.

        * @param aCallId - call id that received the event

        */

        void HandleIdleL( TInt aCallId );

        /**

        * Handles received held message from Phone Engine.

        * @param aCallId - call id that received the event

        */ 

        void HandleHeldL( TInt aCallId );

        /**

        * Handles received connected message from Phone Engine.

        * @param aCallId - call id that received the event

        */ 

        void HandleConnectedL( TInt aCallId );

        /**

        * Fetches phone number from new call quoery and dials that number.

        */ 

        void CallFromNewCallQueryL();

        /**

        * Handles received dialing message from Phone Engine.

        * @param aCallId - call id that received the event

        */ 

        /**

        *  Handles received EPEMessageDisconnecting message from Phone Engine.

        * @param aCallId: the call id of the call

        */

        void HandleDisconnectingL( TInt aCallId );

    private: //Data

        // Store single call id

        TInt iSingleCallId;

    };

#endif // CPHONESINGLEANDWAITING_H

// End of File