/*

* Copyright (c) 2005-2009 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: 

*     In call state implementation.

*

*/

#ifndef CPHONESTATEINCALL

#define CPHONESTATEINCALL

// INCLUDES

#include "cphonestate.h"

// FORWARD DECLARATIONS

class CPhoneDtmfWaitCharTimer;

// CLASS DECLARATION

/**

*  In call state

*/

class CPhoneStateInCall : public CPhoneState

    {

    public:  

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CPhoneStateInCall();

        /**

        * Creates the InCall state class

        * @param aStateMachine: a state machine

        * @param aViewCommandHandle: handle to the PhoneUIView

        * @return an instance of class CPhoneStateInCall

        */

        static CPhoneStateInCall* NewL( 

            MPhoneStateMachine* aStateMachine, 

            MPhoneViewCommandHandle* aViewCommandHandle,

            MPhoneCustomization* aCustomization );

        IMPORT_C 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

        */

        IMPORT_C virtual void HandlePhoneEngineMessageL(

            const TInt aMessage, 

            TInt aCallId );       

        IMPORT_C virtual TBool HandleCommandL( TInt aCommand );

    protected:

        /** 

        * Handle state-specific behaviour when number entry is cleared

        */ 

        IMPORT_C virtual void HandleNumberEntryClearedL();

        /**

        * By default EPOC constructor is private.

        */

        IMPORT_C CPhoneStateInCall( 

            MPhoneStateMachine* aStateMachine, 

            MPhoneViewCommandHandle* aViewCommandHandle,

            MPhoneCustomization* aPhoneCustomization );

        /**

        * ConstructL()

        */

        IMPORT_C virtual void ConstructL();

        /**

        * Call number fetched from New call dialog

        * @param aFetchedNumber number fetched from the diaog

        */

        IMPORT_C virtual void CallFetchedNumberL( 

            const TDesC& aFetchedNumber );

        /**

        * Handle EPEMessageIdle

        */

        IMPORT_C void HandleIdleL( TInt aCallId );

        /**

        * Method for quering is video call active.

        * @return ETrue if active otherwise EFalse

        */

        IMPORT_C virtual TBool IsVideoCallActiveL();

        /**

        * Search and release outgoingcall

        */

        IMPORT_C void DisconnectOutgoingCallL();

    private: // New functions

        /**

        * Handle EPEMessageAudioMuteChanged

        */

        void HandleAudioMuteChangedL();

        /**

        * Handle EPEMessageAudioOutputChanged

        */

        void HandleAudioOutputChangedL();

        /**

        * Handle EPEMessageAudioVolumeChanged

        */

        void HandleAudioVolumeChangedL();

        /**

        * Handle EPEMessageSendingDTMF

        */

        void HandleSendingDTMFL();

        /**

        * Handle EPEMessageStoppedDTMF

        */

        void HandleStoppedDTMFL();

        /**

        * Handles EPEMessageDTMFSent

        *         EPEMessageDTMFSendingAborted

        */

        void CancelDTMFSendingL();

        /**

        * Sends DTMF sequence to Phone Engine

        */

        void SendDtmfL();

        /**

        * Sends command to view for launching DTMF list query

        */

        void LaunchDtmfListQueryL();

        /**

        * Show dtmf text query

        * @param aDialogResourceId dialog's resource id

        * @param aDefaultCbaResourceId default CBA's resource id

        * @param aContentCbaResourceId content CBA's resource id

        * @param aDataText pointer to data text

        * @param aSendKeyEnabled send key enabled status for the query

        */

        void ShowDtmfTextQueryL(

            TInt aDialogResourceId,

            TInt aDefaultCbaResourceId,

            TInt aContentCbaResourceId,

            TDes* aDataText,

            TBool aSendKeyEnabled = EFalse );

        /**

        * Handles End key pressing (long/short).

        * @param aMessage - Key event from AVKON

        */

        void HandleEndKeyPressL( TPhoneKeyEventMessages aMessage );

        /**

        * Handles Voice key pressing.

        * @param aMessage - Key event from AVKON

        */

        void HandleVoiceKeyPressL( TPhoneKeyEventMessages aMessage );

    private:

        /**

        * Special timer for preventing recursive calls

        * which would otherwise occur with multiple

        * wait characters in a DTMF string.

        */

        CPhoneDtmfWaitCharTimer* iDtmfWaitCharTimer;

    };

#endif // CPHONESTATEINCALL

// End of File