/*

* Copyright (c) 2005-2007 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: 

*

*/

#ifndef TESTAPPENGINE_H

#define TESTAPPENGINE_H

// INCLUDES

#include <e32base.h>

#include <speechsynthesis.h>

#include "TestAppAppUi.h"

// FORWARD DECLARATIONS

// CLASS DECLARATION

/**

* 

*/

class CTestAppEngine : public CActive

    {

    public: // Constructors and destructor

        static CTestAppEngine* NewL( CTestAppAppUi& aAppUi );

        virtual ~CTestAppEngine();

        void ConnectL();

        void DisconnectL();

        void InitTextL();

        void InitTextToFileL();

        void PlayL();

        void PauseL();

        void StopL();

        TVoice ChangeVoiceL();

        TInt VolumeDownL();

        TInt VolumeUpL();

        TInt RateUpL();

        void ChangeAudioOutputL();

    protected: // From CActive

       /**

        * CActive::RunL

        */

        void RunL();

        /**

        * CActive::DoCancel()

        */

        void DoCancel();

    private:    

        CTestAppEngine( CTestAppAppUi& aAppUi );

        void ConstructL();

        void FetchSupportedLanguagesAndVoicesL();

    private: // Data

        enum TState

            {

            EIdle,

            EPriming,

            ESpeaking

            };

        CTestAppAppUi&              iAppUi;

        RSpeechSynthesis            iServer;

        TState                      iState; 

        TVoice                      iVoice;

        RArray<TVoice>              iVoices;

        TInt                        iVoiceIndex;

        TInt                        iRate; 

        TInt                        iVolume;

        TFileName                   iFileName;

        TInt                        iCurrentAudioOutput;

    };

#endif

// End of File