/*

 * Copyright (c) 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:  Declarations for class CSPAudioHandler

 *

 */

#ifndef CSPAUDIOHANDLER_H

#define CSPAUDIOHANDLER_H

#include <e32base.h>

#include <sounddevice.h>

#include "mcspcenrepobserver.h"

#include "tmsserver.h"

namespace TMS {

class CSPPubSubListener;

class CSPCenRepListener;

class CSPAudioStreams;

/**

 * Handles call adding from calls not done by the plugin.

 *

 */

class CSPAudioHandler : public CBase,

                        public MCSPCenRepObserver

    {

public:

    //Constructors and descructor

    /**

     * Two-phased constructing for the monitor.

     *

     * @param aObserver the observer for getting notification

     * @param aLine the line to monitor

     * @param aLineId line identifier

     */

    static CSPAudioHandler* NewL(TMSServer* aServer);

    /**

     * C++ default destructor

     */

    virtual ~CSPAudioHandler();

    void SetLoudSpeakerVol(TInt vol);

    void SetEarPieceVol(TInt vol);

    // from base class MCSPPubSubObserver

    /**

     * Handler for changed event.

     * @param aUid uid of setting

     * @param aKey id of setting

     * @param aStatus status of completed AO operation

     */

    //virtual void HandleNotifyPSL( const TUid aUid, const TInt& aKey,

    //    const TRequestStatus& aStatus );

    // from base class MCSPCenRepObserver

    /**

     * Handler for changed event.

     * @param aUid uid of setting

     * @param aVal value

     */

    virtual void CSPAudioHandler::HandleNotifyCenRepL(const TUid aUid,

            const TUint32 aKey, TInt aVal);

    // from base class MDevSoundObserver

protected:

    //From DevSound

protected:

    // From CActive

    /**

     * From CActive

     * RunL

     */

    void RunL();

    /**

     * From CActive

     * Catches errors if RunL leaves

     * @param aError error code

     * @return error code

     */

    TInt RunError(TInt aError);

    /**

     * From CActive

     * Cancels the monitor

     */

    void DoCancel();

private:

    /**

     * C++ default constructor

     * @param aObserver the observer for status change (incoming call)

     * @param aLine the line associated with the call

     * @param aLineId line identifier

     */

    CSPAudioHandler(TMSServer* aServer);

    /**

     * Constructs the monitor in the second phase.

     */

    void ConstructL();

private:

    // data

    /**

     * Mute listening from Publish&Subscribe.

     */

    CSPPubSubListener* iMuteListener;

    /**

     * Incall loudspeaker listening from Central Repository.

     */

    CSPCenRepListener* iIncallLoudspeakerVolumeListener;

    /**

     * Incall ear volume listening from Central Repository.

     */

    CSPCenRepListener* iIncallEarVolumeListener;

    /**

     * Audio streams handler.

     */

    //CSPAudioStreams* iAudioStreams;

    /**

     * Call count

     */

    TInt iCallCount;

    TMSServer* iTMSSer;

    };

} //namespace TMS

#endif // CSPAUDIOHANDLER_H