/*
* 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: Telephony Multimedia Service
*
*/
#ifndef TMSAUDIODTMFTONEPLAYER_H
#define TMSAUDIODTMFTONEPLAYER_H
// INCLUDES
#include <glib.h>
#include <sounddevice.h>
#include "tmsdtmftoneplayerobserver.h"
// FORWARD DECLARATIONS
class CMMFDevSound;
// CLASS DECLARATION
/**
* Plays DTMF tones using media server
*/
namespace TMS {
class TMSAudioDtmfTonePlayer : public MDevSoundObserver
{
public:
// Constructors and destructor
/**
* Two-phased constructor.
*/
static TMSAudioDtmfTonePlayer* NewL(TMSDTMFTonePlayerObserver& obsrvr,
guint audioPreference, guint audioPriority);
/**
* Destructor.
*/
virtual ~TMSAudioDtmfTonePlayer();
public:
/**
* Sets volume.
* @param aVolume volume value or KDtmfSilent.
* @return None.
*/
void SetVolume(gint volume);
/**
* Starts playing given dtmf tone infinitely.
* @param aTone Tone to be played.
* @return None.
*/
void PlayDtmfTone(TDes& tone);
/**
* Cancels playing.
* @param None.
* @return None.
*/
void Cancel();
public:
//From MDevSoundObserver
/**
* See MDevSoundObserver
*/
void InitializeComplete(TInt aError);
/**
* See MDevSoundObserver
*/
void ToneFinished(TInt aError);
/**
* See MDevSoundObserver
*/
void BufferToBeFilled(CMMFBuffer* /*aBuffer*/) {}
/**
* See MDevSoundObserver
*/
void PlayError(TInt /*aError*/) {}
/**
* See MDevSoundObserver
*/
void BufferToBeEmptied(CMMFBuffer* /*aBuffer*/) {}
/**
* See MDevSoundObserver
*/
void RecordError(TInt /*aError*/) {}
/**
* See MDevSoundObserver
*/
void ConvertError(TInt /*aError*/) {}
/**
* See MDevSoundObserver
*/
void DeviceMessage(TUid /*aMessageType*/, const TDesC8& /*aMsg*/) {}
protected:
/**
* C++ default constructor.
*/
TMSAudioDtmfTonePlayer(TMSDTMFTonePlayerObserver& obsrvr,
guint audioPreference, guint audioPriority);
void ConstructL();
/**
* Normalize tone.
* @param aTone dtmf tone.
* @return None.
*/
void Normalize(TChar& tone);
private:
//new functions
/**
* Converts the given value to the one that matches tha range used by
* CMMFDevSound. The CMMFDevSound uses valuess that can from 0 to the
* value returned by a call to CMMFDevSound::MaxVolume().
*/
gint ConvertVolumeLevel(gint volume);
protected:
// Data
// Current volume setting.
gint iVolume;
// DTMF player instance
CMMFDevSound* iDTMFPlayer;
TMSDTMFTonePlayerObserver& iObserver;
guint iPref;
guint iPrior;
};
} //namespace TMS
#endif // TMSAUDIODTMFTONEPLAYER_H
// End of File