convergedcallengine/csplugin/inc/cspspeaker.h
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:15:03 +0100
branchRCL_3
changeset 20 987c9837762f
parent 0 ff3b6d0fd310
permissions -rw-r--r--
Revert incorrect RCL_3 drop: Revision: 201033 Kit: 201035
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/*
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* Copyright (c) 2006-2008 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Provides speaker functionality
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*
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*/
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#ifndef CSPSPEAKER_H
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#define CSPSPEAKER_H
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#include "cspdevsound.h"
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class MCSPDevSoundObserver;
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/**
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 *  Provides speaker functionality.
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 *
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 */
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NONSHARABLE_CLASS( CSPSpeaker ): public CSPDevSound
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    {
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public:
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    static CSPSpeaker* NewL( MCSPDevSoundObserver& aObserver );
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    virtual ~CSPSpeaker();
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    /** 
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     * Sets volume.
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     * @param aVolume Volume.     
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     */
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    void SetVolume( TInt aVolume );
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    /**
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     * Gets volume.
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     * @return Current volume.
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     */
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    TInt Volume();
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// from base class MDevSoundObserver
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    /**
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     * From MDevSoundObserver.
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     * Indication from devsound that stream (speaker) has been activated
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     * successfully.
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     */
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    void BufferToBeFilled( CMMFBuffer* /*aBuffer*/ );
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    /**
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     * From MDevSoundObserver.
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     * Indication from devsound that activation of stream( speaker)
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     * failed.
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     */
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    void PlayError( TInt aErrorCode );
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private:
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    /**
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     * From CSPDevSound.
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     * Tries to activate the mic stream.
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     */
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    void DoActivateL();
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protected:
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    CSPSpeaker( MCSPDevSoundObserver& aObserver );
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    void ConstructL();
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    };
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#endif // CSPSPEAKER_H