/*

* Copyright (c) 2006-2007 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 SPEECHSYNTHESISTESTER_H

#define SPEECHSYNTHESISTESTER_H

#include <e32base.h>

#include <speechsynthesis.h>

// CLASS DECLARATIONS

NONSHARABLE_CLASS( MTesterObserver )

    {

    public:

        virtual void SynthesisInitComplete( TInt aError ) = 0;

        virtual void SynthesisComplete( TInt aError ) = 0;

    };

/**

*  This class encapsulates resource file handling functions

*/

NONSHARABLE_CLASS( CSpeechSynthesisTester ) : public CActive

    {

    public: // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CSpeechSynthesisTester* NewL( MTesterObserver& aObserver );

        /**

        * Destructor.

        */

        virtual ~CSpeechSynthesisTester();

    public:

        TInt Open();

        void Close();

        void SynthesisInit(  TDesC& aText, const TDesC& aFileName = KNullDesC );

        void Synthesise();

        void StopL();

        void PauseL();

        void GetSupportedLanguagesL( RArray<TLanguage>& aLanguages );

        void GetSupportedVoicesL( RArray<TVoice>& aVoices, TLanguage aLanguage );

        TVoice VoiceL( );

        void SetVoiceL( TVoice& aVoice );

        TInt MaxSpeakingRateL();

        TInt SpeakingRateL();

        void SetSpeakingRateL( TInt aRate );

        TInt MaxVolumeL();

        TInt VolumeL();

        void SetVolumeL( TInt aVolume );

        void SetAudioPriorityL( TInt aPriority, TInt aPreference );

        void CustomCommandL( TInt aCommand, TInt aValue );

    protected: // From CActive

        /**

        * CActive::RunL

        */

        void RunL();

        /**

        * CActive::DoCancel()

        */

        void DoCancel();

    private:

        /**

        * C++ default constructor.

        */

        CSpeechSynthesisTester( MTesterObserver& aObserver );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private: // Data

        RSpeechSynthesis            iSpeechSynthesis;

        enum TTestStatus

            {

            EIdle,

            EPriming,

            EPlaying

            };

        TTestStatus                 iTestStatus;

        MTesterObserver&            iObserver;

    };

#endif // SPEECHSYNTHESISTESTER_H

// End of File