/*

* Copyright (c) 2004-2006 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:  Headset key observer

*

*/

#ifndef VCMANAGERVOICEHEADSETLAUNCHER_H

#define VCMANAGERVOICEHEADSETLAUNCHER_H

//  INCLUDES

#include <e32base.h>

#include <e32property.h>

#include <w32std.h> 

#include <eikenv.h>

#include <RemConCallHandlingTargetObserver.h>

// CONSTANTS

// MACROS

// FORWARD DECLARATIONS

class CRemConInterfaceSelector;

class CRemConCallHandlingTarget;

/**

* Class for starting Voice UI

* @since 5.0

*/

NONSHARABLE_CLASS( CVCommandManagerVoiceHeadSetLauncher ) : public CBase,

                                                            MRemConCallHandlingTargetObserver

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CVCommandManagerVoiceHeadSetLauncher* NewL();

        /**

        * Destructor.

        */

        virtual ~CVCommandManagerVoiceHeadSetLauncher();

    public: // New functions

    public: // Functions from base classes

        /**

        * @see MRemConCallHandlingTargetObserver

        */

        void AnswerCall();

        /**

        * @see MRemConCallHandlingTargetObserver

        */

        void AnswerEndCall();

        /**

        * @see MRemConCallHandlingTargetObserver

        */

        void EndCall();

        /**

        * @see MRemConCallHandlingTargetObserver

        */

        void VoiceDial( const TBool aActivate );

        /**

        * @see MRemConCallHandlingTargetObserver

        */

        void LastNumberRedial();

         /**

        * @see MRemConCallHandlingTargetObserver

        */

        void DialCall( const TDesC8& aTelNumber );

        /**

        * @see MRemConCallHandlingTargetObserver

        */

        void MultipartyCalling( const TDesC8& aData );

        /**

        * @see MRemConCallHandlingTargetObserver

        */

        void GenerateDTMF( const TChar aChar );

        /**

        * @see MRemConCallHandlingTargetObserver

        */

        void SpeedDial( const TInt aIndex );

    private:

        /**

        * C++ default constructor.

        */

        CVCommandManagerVoiceHeadSetLauncher();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

        /**

        * Start voice ui

        * @param aDeviceLockMode ETrue if started in device lock mode else EFalse

        */        

        void LaunchVoiceUiL( TBool aDeviceLockMode );

        /**

        * Checks if call is active

        * @return Call state or KErrNotFound

        */

        TInt CheckCallState();

        /**

        * Checks if video call is active

        * @return ETrue if video call else EFalse

        */

        TBool IsVideoCall();

        /**

        * Checks if auto lock is active

        * @return Auto lock value or KErrNotFound

        */

        TInt GetAutoLockValue();

    private:    // Data

        CRemConInterfaceSelector*      iSelector;             // Owned

        CRemConCallHandlingTarget*     iCallHandlingTarget;   // Not owned

        RProperty                      iProperty;

    };

#endif // VCMANAGERVOICEHEADSETLAUNCHER_H

// End of File