// Copyright (c) 2001-2009 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:

//

#include <mmf/plugin/mmfbthwdeviceimplementationuids.hrh>

#include "BtSoundDeviceBody.h"

#include <mmf/server/mmfbtswcodecwrappercustominterfacesuids.hrh> // KUidBtRefDevSoundTaskConfig

#include "MmfBtFileDependencyUtil.h"

/*

 *

 *	Default Constructor.

 *

 *	No default implementation. CMMFDevSound implements 2-phase construction.

 *

 */

CMMFDevSoundClientImp::CMMFDevSoundClientImp()

	{

	}

/*

 *

 *	Destructor.

 *

 *	Deletes all objects and releases all resource owned by this

 *	instance.

 *

 */

CMMFDevSoundClientImp::~CMMFDevSoundClientImp()

	{

	CancelCalbackHandlers();

	delete iBTBFHandler; 

	delete iPEHandler;

	delete iREHandler;

	delete iTFHandler;

	delete iBTBEHandler;

	delete iSETCHandler;

	delete iICHandler;

	if( iDevSoundProxy != NULL)

		{

		iDevSoundProxy->Close();

		delete iDevSoundProxy;

		}

	}

/*

 *

 *	Constructs, and returns a pointer to, a new CMMFDevSound object.

 *

 *	Leaves on failure.

 *

 */

CMMFDevSoundClientImp* CMMFDevSoundClientImp::NewL()

	{

	FileDependencyUtil::CheckFileDependencyL();

	CMMFDevSoundClientImp* self = new (ELeave) CMMFDevSoundClientImp();

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

/*

 *

 *	3rd phase constructor - assumes that iParent has already been set up properly

 *                          (During ConstructL() it has yet to be

 *

 */

void CMMFDevSoundClientImp::ConstructL()

	{

	// all these data properties should be NULL, but add ASSERTs to verity

	ASSERT(iDevSoundProxy==NULL);

	iDevSoundProxy = new (ELeave) RMMFDevSoundProxy();

	TInt err = iDevSoundProxy->Open();

	if(err)

		{

		delete iDevSoundProxy;

		iDevSoundProxy = NULL;

		}

	User::LeaveIfError(err);

	}

/*

 *  @prototype

 */

void CMMFDevSoundClientImp::CancelCalbackHandlers()

	{	

	if(iBTBFHandler)

		iBTBFHandler->CancelReceiveEvents();

	if(iPEHandler)

		iPEHandler->CancelReceiveEvents();

	if(iREHandler)

		iREHandler->CancelReceiveEvents();

	if(iTFHandler)

		iTFHandler->CancelReceiveEvents();

	if(iBTBEHandler)

		iBTBEHandler->CancelReceiveEvents();

	if(iSETCHandler)

		iSETCHandler->CancelReceiveEvents();

	if(iICHandler)

		iICHandler->CancelReceiveEvents();

	}

/*

 *

 *	Initializes CMMFDevSound object to play and record PCM16 raw audio data

 *	with sampling rate of 8 KHz.

 *

 *	On completion of Initialization, calls InitializeComplete() on

 *	aDevSoundObserver.

 *

 *	Leaves on failure.

 *

 *	@param	"MDevSoundObserver& aDevSoundObserver"

 *			A reference to DevSound Observer instance.

 *

 *	@param	"TMMFState aMode"

 *			Mode for which this object will be used.

 *

 */

void CMMFDevSoundClientImp::InitializeL(MDevSoundObserver& aDevSoundObserver, TMMFState aMode)

	{

	TInt initError = KErrNone;

	iDevSoundObserver = &aDevSoundObserver;

	// Need to set up an init complete event and message handler

	// prior to calling InitializeL()

	if (iICHandler)

		{

		iICHandler->CancelReceiveEvents();

		}

	else

		{

		iICHandler = CMMFInitializeCompleteHandler::NewL(iDevSoundProxy, *iDevSoundObserver);

		}

	iICHandler->ReceiveEvents();

	initError = iDevSoundProxy->InitializeL(aMode);

	if (initError)

		{		

		iDevSoundObserver->InitializeComplete(initError);

		User::Leave(initError);

		}

    if(iBTBFHandler)

		{

		iBTBFHandler->CancelReceiveEvents();

		}

	else

		{

		iBTBFHandler = CMMFBufferToBeFilledHandler::NewL(iDevSoundProxy, *iDevSoundObserver);

		}

	iBTBFHandler->ReceiveEvents();

    if(iPEHandler)

		{

		iPEHandler->CancelReceiveEvents();

		}

	else

		{

		iPEHandler = CMMFPlayErrorHandler::NewL(iDevSoundProxy, *iDevSoundObserver);

		}

	iPEHandler->ReceiveEvents();

    if(iREHandler)

		{

		iREHandler->CancelReceiveEvents();

		}

	else

		{

		iREHandler = CMMFRecordErrorHandler::NewL(iDevSoundProxy, *iDevSoundObserver);

		}

	iREHandler->ReceiveEvents();

    if(iTFHandler)

		{

		iTFHandler->CancelReceiveEvents();

		}

	else

		{

		iTFHandler = CMMFToneFinishedHandler::NewL(iDevSoundProxy, *iDevSoundObserver);

		}

	iTFHandler->ReceiveEvents();

    if(iBTBEHandler)

		{

		iBTBEHandler->CancelReceiveEvents();

		}

	else

		{

		iBTBEHandler = CMMFBufferToBeEmptiedHandler::NewL(iDevSoundProxy, *iDevSoundObserver);

		}

	iBTBEHandler->ReceiveEvents();

    if(iSETCHandler)

		{

		iSETCHandler->CancelReceiveEvents();

		}

	else

		{

		iSETCHandler = CMMFSendEventToClientHandler::NewL(iDevSoundProxy, *iDevSoundObserver);

		}

	iSETCHandler->ReceiveEvents();

	}

/*

 *

 *	Configure CMMFDevSound object for the settings in aConfig.

 *

 *	Use this to set sampling rate, Encoding and Mono/Stereo.

 *

 *	@param	"TMMFCapabilities& aConfig"

 *			Attribute values to which CMMFDevSound object will be configured to.

 *

 *  As part of defect 20796, the iRecordFormat has been set under the iPlayFormat, 

 *  before it was not set at all.

 *

 */

void CMMFDevSoundClientImp::SetConfigL(const TMMFCapabilities& aConfig)

	{

	iDevSoundProxy->SetConfigL(aConfig);

	}

/*

 *

 *	Changes the current playback volume to a specified value.

 *

 *	The volume can be changed before or during playback and is effective

 *	immediately.

 *

 *	@param	"TInt aVolume"

 *			The volume setting. This can be any value from zero to the value

 *			returned by a call to CMdaAudioPlayerUtility::MaxVolume(). If the

 *			volume is not within this range, the volume is automatically set to

 *			minimum or maximum value based on the value that is being passed.

 *			Setting a zero value mutes the sound. Setting the maximum value

 *			results in the loudest possible sound.

 *

 */

void CMMFDevSoundClientImp::SetVolume(TInt aVolume)

	{

	iDevSoundProxy->SetVolume(aVolume);

	}

/*

 *

 *	Changes the current recording gain to a specified value.

 *

 *	The gain can be changed before or during recording and is effective

 *	immediately.

 *

 *	@param	"TInt aGain"

 *			The volume setting. This can be any value from zero to the value

 *			returned by a call to CMdaAudioPlayerUtility::MaxVolume(). If the

 *			volume is not within this range, the gain is automatically set to

 *			minimum or maximum value based on the value that is being passed.

 *			Setting a zero value mutes the sound. Setting the maximum value

 *			results in the loudest possible sound.

 *

 */

void CMMFDevSoundClientImp::SetGain(TInt aGain)

	{

	iDevSoundProxy->SetGain(aGain);

	}

/*

 *

 *	Sets the speaker balance for playing.

 *

 *	The speaker balance can be changed before or during playback and is

 *	effective immediately.

 *

 *	@param	"TInt& aLeftPercentage"

 *			On return contains left speaker volume perecentage. This can be any

 *			value from zero to 100. Setting a zero value mutes the sound on left

 *			speaker.

 *

 *	@param	"TInt& aRightPercentage"

 *			On return contains right speaker volume perecentage. This can be any

 *			value from zero to 100. Setting a zero value mutes the sound on

 *			right speaker.

 *

 */

void CMMFDevSoundClientImp::SetPlayBalanceL(TInt aLeftPercentage, TInt aRightPercentage)

	{

	iDevSoundProxy->SetPlayBalanceL(aLeftPercentage, aRightPercentage);

	}

/*

 *

 *	Sets the microphone gain balance for recording.

 *

 *	The microphone gain balance can be changed before or during recording and

 *	is effective immediately.

 *

 *	@param	"TInt aLeftPercentage"

 *			Left microphone gain precentage. This can be any value from zero to

 *			100. Setting a zero value mutes the gain on left microphone.

 *

 *	@param	"TInt aRightPercentage"

 *			Right microphone gain precentage. This can be any value from zero to

 *			100. Setting a zero value mutes the gain on right microphone.

 *

 */

void CMMFDevSoundClientImp::SetRecordBalanceL(TInt aLeftPercentage, TInt aRightPercentage)

	{

	iDevSoundProxy->SetRecordBalanceL(aLeftPercentage, aRightPercentage);

	}

/*

 *

 *	Initializes audio device and start play process. This method queries and

 *	acquires the audio policy before initializing audio device. If there was an

 *	error during policy initialization, PlayError() method will be called on

 *	the observer with error code KErrAccessDenied, otherwise BufferToBeFilled()

 *	method will be called with a buffer reference. After reading data into the

 *	buffer reference passed, the client should call PlayData() to play data.

 *

 *	The amount of data that can be played is specified in

 *	CMMFBuffer::RequestSize(). Any data that is read into buffer beyond this

 *	size will be ignored.

 *

 *	Leaves on failure.

 *

 */

void CMMFDevSoundClientImp::PlayInitL()

	{

	if (!iDevSoundObserver)

		User::Leave(KErrNotReady);

	iDevSoundProxy->PlayInitL();

	}

/*

 *

 *	Initializes audio device and start record process. This method queries and

 *	acquires the audio policy before initializing audio device. If there was an

 *	error during policy initialization, RecordError() method will be called on

 *	the observer with error code KErrAccessDenied, otherwise BufferToBeEmptied()

 *	method will be called with a buffer reference. This buffer contains recorded

 *	or encoded data. After processing data in the buffer reference passed, the

 *	client should call RecordData() to continue recording process.

 *

 *	The amount of data that is available is specified in

 *	CMMFBuffer::RequestSize().

 *

 *	Leaves on failure.

 *

 */

void CMMFDevSoundClientImp::RecordInitL()

	{

	if (!iDevSoundObserver)

		User::Leave(KErrNotReady);

	iDevSoundProxy->RecordInitL();

	}

/*

 *

 *	Plays data in the buffer at the current volume. The client should fill

 *	the buffer with audio data before calling this method. The Observer gets

 *	reference to buffer along with callback BufferToBeFilled(). When playing of

 *	the audio sample is complete, successfully or otherwise, the method

 *	PlayError() on observer is called.

 *

 */

void CMMFDevSoundClientImp::PlayData()

	{

	ASSERT(iDevSoundObserver);

	iDevSoundProxy->PlayData();

	}

/*

 *

 *	Stops the ongoing operation (Play, Record, TonePlay, Convert)

 *

 */

void CMMFDevSoundClientImp::Stop()

	{

	iDevSoundProxy->Stop();

	}

/*

 *

 *	Temporarily Stops the ongoing operation (Play, Record, TonePlay, Convert)

 *

 */

void CMMFDevSoundClientImp::Pause()

	{

	iDevSoundProxy->Pause();

	}

/*

 *

 *	Returns the sample recorded so far.

 *

 *	@return "TInt"

 *			Returns the samples recorded.

 *

 */

TInt CMMFDevSoundClientImp::SamplesRecorded()

	{

	return iDevSoundProxy->SamplesRecorded();

	}

/*

 *

 *	Returns the sample played so far.

 *

 *	@return "TInt"

 *			Returns the samples recorded.

 *

 */

TInt CMMFDevSoundClientImp::SamplesPlayed()

	{

	return iDevSoundProxy->SamplesPlayed();

	}

/*

 *

 *	Initializes audio device and start playing tone. Tone is played with

 *	frequency and for duration specified.

 *

 *	Leaves on failure.

 *

 *	@param	"TInt aFrequency"

 *			Frequency at with the tone will be played.

 *

 *	@param	"TTimeIntervalMicroSeconds& aDuration"

 *			The period over which the tone will be played. A zero value causes

 *			the no tone to be played (Verify this with test app).

 *

 */

void CMMFDevSoundClientImp::PlayToneL(TInt aFrequency, const TTimeIntervalMicroSeconds& aDuration)

	{

	iDevSoundProxy->PlayToneL(aFrequency, aDuration);

	}

/*

 *	Initializes audio device and start playing a dual tone. 

 *  The tone consists of two sine waves of different frequencies summed together

 *  Dual Tone is played with specified frequencies and for specified duration.

 *

 *	@param	"aFrequencyOne"

 *			First frequency of dual tone

 *

 *	@param	"aFrequencyTwo"

 *			Second frequency of dual tone

 *

 *	@param	"aDuration"

 *			The period over which the tone will be played. A zero value causes

 *			the no tone to be played (Verify this with test app).

 */

void CMMFDevSoundClientImp::PlayDualToneL(TInt aFrequencyOne, TInt aFrequencyTwo, const TTimeIntervalMicroSeconds& aDuration)

	{

	iDevSoundProxy->PlayDualToneL(aFrequencyOne, aFrequencyTwo, aDuration);

	}

/*

 *

 *	Initializes audio device and start playing DTMF string aDTMFString.

 *

 *	Leaves on failure.

 *

 *	@param	"TDesC& aDTMFString"

 *			DTMF sequence in a descriptor.

 *

 */

void CMMFDevSoundClientImp::PlayDTMFStringL(const TDesC& aDTMFString)

	{

	if (!iDevSoundObserver)

		User::Leave(KErrNotReady);

	iDevSoundProxy->PlayDTMFStringL(aDTMFString);

	}

/*

 *

 *	Initializes audio device and start playing tone sequence.

 *

 *	Leaves on failure.

 *

 *	@param	"TDesC8& aData"

 *			Tone sequence in a descriptor.

 *

 */

void CMMFDevSoundClientImp::PlayToneSequenceL(const TDesC8& aData)

	{

	if (!iDevSoundObserver)

		User::Leave(KErrNotReady);

	iDevSoundProxy->PlayToneSequenceL(aData);

	}

/*

 *

 *	Initializes audio device and start playing the specified pre-defined tone

 *	sequence.

 *

 *	Leaves on failure.

 *

 *	@param	"TInt aSequenceNumber"

 *			The index identifying the specific pre-defined tone sequence. Index

 *			values are relative to zero.