/*

* Copyright (c) 2005-2006 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:   This class acts as a high level wrapper around the 

*                CMdaAudioRecorderUtility playback and recording 

*                functionalities. Functons for output route handling.

*

*/

#include <AudioPreference.h>

#include <AudioOutput.h>

#include <AudioInput.h>

#include <avkon.hrh>

#include "audiomessagebeep.h"

#include "audiomessagerecorder.h"

#include "amsvoiceobserver.h"

#include "AudioMessageLogging.h"

const TInt KAmsVolumeSteps = 10;

const TUint KAmsDefaultAmrBitrate( 12200 );  //Voice Recorder uses this value for MMS

                                             //optimized voice

// ======== MEMBER FUNCTIONS ========

// ---------------------------------------------------------

// CAudioMessageRecorder::NewL

// ---------------------------------------------------------

//

CAudioMessageRecorder* CAudioMessageRecorder::NewL( const RFile& aFile,  const TBool aAudioOutput )

	{

	CAudioMessageRecorder * recorder = new( ELeave ) CAudioMessageRecorder( );

	CleanupStack::PushL( recorder );

	recorder->ConstructL( aFile, aAudioOutput );

	CleanupStack::Pop( recorder );

	return recorder;	

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::ConstructL

// ---------------------------------------------------------

//

void CAudioMessageRecorder::ConstructL( const RFile& aFile, const TBool aAudioOutput )

	{

AMSLOGGER_WRITE( "CAudioMessageRecorder::ConstructL" );	

    iRecUtility = CMdaAudioRecorderUtility::NewL(

       	*this,

        NULL,

        KAudioPriorityRecording,

        TMdaPriorityPreference( KAudioPrefRealOneLocalPlayback ) );

	iRecUtility->OpenFileL( aFile );

	iBeepPlayer = CAudioMessageBeep::NewL();

	iBeepPlayer->PrepareToneL( EAvkonSIDVoiceRecordingStartTone );

	iPause = EFalse;

	iSupportAudioOutput = aAudioOutput;

	iTimer = CPeriodic::NewL( EPriorityNormal + 1 ); 

   	if ( !iActiveWait.IsStarted() )

		{

		iActiveWait.Start();

		}

AMSLOGGER_WRITE( "CAudioMessageRecorder::ConstructL DONE!" );		

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::MoscoStateChangeEvent

// ---------------------------------------------------------

void CAudioMessageRecorder::MoscoStateChangeEvent( CBase* /*aObject*/, TInt aPreviousState, 

	TInt aCurrentState, TInt  aErrorCode)

	{

	AMSLOGGER_WRITEF( _L( "CAudioMessageRecorder: MoscoStateChangeEvent() prev: %d, current: %d, error: %d" ), aPreviousState,

			aCurrentState, aErrorCode );

	if ( iActiveWait.IsStarted() )

		{

		iActiveWait.AsyncStop();

		}

    iErrorCode = aErrorCode;

    //Let's not go here in case there has been an error in opening the file.

    //That's why the error code has been checked here

    if( aCurrentState == CMdaAudioClipUtility::EOpen 

         && aPreviousState == CMdaAudioClipUtility::ENotReady 

         && !iAudioInput

         && iErrorCode == KErrNone )

        {

        TRAPD(error, iAudioInput = CAudioInput::NewL( *iRecUtility ); 

            ResetAudioInputL();

            iRecUtility->SetDestinationBitRateL( KAmsDefaultAmrBitrate ));

        //KErrNotSupported is allowed because it works OK even if CAudioOutput

        //is not supported

        if( error != KErrNone && error != KErrNotSupported )

            {

            iErrorCode = error;

            }

        }

    else if ( aCurrentState == CMdaAudioClipUtility::EOpen && aPreviousState ==

    	CMdaAudioClipUtility::EPlaying )

   		{ 

   		iObserver->PlayingStops();   

 		}   

    else if ( aCurrentState == CMdaAudioClipUtility::EOpen && aPreviousState == 

    	CMdaAudioClipUtility::ERecording )

   		{ 

   		if ( !iPause )

	   		{

	   		iObserver->PlayingStops();   

	   		}

   		}

 	 else if ( aCurrentState == CMdaAudioClipUtility::ERecording && 

 	    aPreviousState == CMdaAudioClipUtility::EOpen )

 	    {

 	    iBeepPlayer->PrepareTone( EAvkonSIDVoiceRecordingStopTone );    

 	    }	  

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::SetVol

// ---------------------------------------------------------

//

void CAudioMessageRecorder::SetVol( TInt aVal )

	{

	TInt max = iRecUtility->MaxVolume();

	TInt step = max / KAmsVolumeSteps;

	iCurrentVolume = aVal * step;

    if ( iCurrentVolume >= max )

        iRecUtility->SetVolume( max );

    else if ( iCurrentVolume <= 0)

        iRecUtility->SetVolume( 0 );

    else

        iRecUtility->SetVolume( iCurrentVolume );

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::StartPlayingL

// ---------------------------------------------------------

//

void CAudioMessageRecorder::StartPlayingL()

	{  

	if( iErrorCode != KErrNone )

	    {

AMSLOGGER_WRITEF( _L( "CAudioMessageRecorder: StartPlayingL(): Leave ( %d ) occured." ), iErrorCode );

	    User::Leave( iErrorCode);

	    return;

	    }	 

	iRecUtility->SetPlaybackBalance( KMMFBalanceCenter );

	iRecUtility->SetVolume( iCurrentVolume ) ;

    iRecUtility->PlayL();

 	if ( !iActiveWait.IsStarted() )

		{

		iActiveWait.Start();

		}

	StartTimer();

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::StartRecordingL

// ---------------------------------------------------------

//

void CAudioMessageRecorder::StartRecordingL()

	{ 

	if( iErrorCode != KErrNone )

	    {

AMSLOGGER_WRITEF( _L( "CAudioMessageRecorder: StartRecordingL(): Leave ( %d ) occured." ), iErrorCode );

	    User::Leave( iErrorCode);

	    return;

	    }

    iRecUtility->SetAudioDeviceMode( CMdaAudioRecorderUtility::ELocal );

    iRecUtility->SetPriority( KAudioPriorityRecording, 

        TMdaPriorityPreference( KAudioPrefVoiceRec ) );	

    iRecUtility->SetGain( iRecUtility->MaxGain() );

    iRecUtility->SetPosition( TTimeIntervalMicroSeconds( 0 ) );

	iBeepPlayer->PlayTone( EAvkonSIDVoiceRecordingStartTone );

	//iBeepPlayer->PrepareToneL( EAvkonSIDVoiceRecordingStopTone );    

    iRecUtility->RecordL();

 	if ( !iActiveWait.IsStarted() )

		{

		iActiveWait.Start();

		}

	StartTimer();

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::Pause

// ---------------------------------------------------------

//

void CAudioMessageRecorder::Pause()

	{

	iPause = ETrue;

    iRecUtility->Stop();

    StopTimer();

	iRecUtility->SetPosition( TTimeIntervalMicroSeconds( 0 ) );

    iRecUtility->SetPriority( KAudioPriorityRecording, 

    	TMdaPriorityPreference( KAudioPrefRealOneLocalPlayback ) );	

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::Stop

// ---------------------------------------------------------

//

void CAudioMessageRecorder::StopL()

	{

	iPause = EFalse;

    iRecUtility->Stop();

    StopTimer();

	iRecUtility->SetPosition( TTimeIntervalMicroSeconds( 0 ) );

    iRecUtility->SetPriority( KAudioPriorityRecording, 

    	TMdaPriorityPreference( KAudioPrefRealOneLocalPlayback) );	

	iBeepPlayer->PlayTone( EAvkonSIDVoiceRecordingStopTone );

	//iBeepPlayer->PrepareToneL( EAvkonSIDVoiceRecordingStartTone );		

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::ContinueL

// ---------------------------------------------------------

//

void CAudioMessageRecorder::ContinueL()

	{

	if( iErrorCode != KErrNone )

	    {

AMSLOGGER_WRITEF( _L( "CAudioMessageRecorder: ContinueL(): Leave ( %d ) occured." ), iErrorCode );

	    User::Leave( iErrorCode);

	    return;

	    }

	iPause = EFalse;

	iRecUtility->SetPriority( KAudioPriorityRecording, TMdaPriorityPreference( KAudioPrefVoiceRec ) );

        iRecUtility->RecordL(); 

 	if ( !iActiveWait.IsStarted() )

		{

		iActiveWait.Start();

		}

	StartTimer();

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::Constructor

// ---------------------------------------------------------

//

CAudioMessageRecorder::CAudioMessageRecorder() 

	{

  	}

// ---------------------------------------------------------

// CAudioMessageRecorder::Destructor

// ---------------------------------------------------------

//

CAudioMessageRecorder::~CAudioMessageRecorder()

	{ 

	delete iAudioOutput;

  	delete iAudioInput;

    delete iRecUtility;

	delete iTimer;

   	delete iBeepPlayer;

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::SetObserver

// ---------------------------------------------------------

//

void CAudioMessageRecorder::SetObserver(MAmsVoiceObserver* aObserver )

	{

	iObserver = aObserver;

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::StartTimer

// ---------------------------------------------------------

//

void CAudioMessageRecorder::StartTimer()

	{

	StopTimer();	// stop if already running

	TCallBack cb( TimerCallBack, this );

	iTimer->Start( 0, KAmsDisplayUpdateDelay, cb );

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::StopTimer

// ---------------------------------------------------------

//

void CAudioMessageRecorder::StopTimer()

	{

	iTimer->Cancel();

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::TimerCallBack

// ---------------------------------------------------------

//

TInt CAudioMessageRecorder::TimerCallBack( TAny* aRecorder )

	{

	CAudioMessageRecorder* recorder = reinterpret_cast< CAudioMessageRecorder* >( aRecorder );

	recorder->HandleTick();

	return ETrue;

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::HandleTick

// ---------------------------------------------------------

//

void CAudioMessageRecorder::HandleTick()

	{	

	TRAPD( error, iObserver->UpdateL( iRecUtility->Position(), iErrorCode ) );

	if ( error != KErrNone )

	    {

	    iErrorCode = error;

	    }

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::GetPosition

// ---------------------------------------------------------

//

TTimeIntervalMicroSeconds CAudioMessageRecorder::GetPosition()

	{

	return iRecUtility->Position();

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::GetDuration

// ---------------------------------------------------------

//

TTimeIntervalMicroSeconds CAudioMessageRecorder::GetDuration()

	{

	return iRecUtility->Duration();

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::SetAudioOutput

// ---------------------------------------------------------

//

TInt CAudioMessageRecorder::SetAudioOutput( TBool aOutputPublic )

	{ 

	TInt err ( KErrNone );

	CAudioOutput::TAudioOutputPreference outputPckg;

	if ( iAudioOutput )

		{

		if ( aOutputPublic )

			{

			outputPckg = CAudioOutput::EPublic;

			}

		else

			{

			outputPckg = CAudioOutput::EPrivate;

			}

		TRAP( err, iAudioOutput->SetAudioOutputL( outputPckg ) );

		}

	return err;

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::ResetAudioInputL

// ---------------------------------------------------------

//

void CAudioMessageRecorder::ResetAudioInputL(  )

	{ 

    if( iAudioInput )

        {

AMSLOGGER_WRITE( "CAudioMessageRecorder::ResetAudioInput, iAudioInput EXISTS" );        

        RArray<CAudioInput::TAudioInputPreference> inputArray(4);

        CleanupClosePushL( inputArray );

        inputArray.Append( CAudioInput::EDefaultMic );

        iAudioInput->SetAudioInputL( inputArray.Array() );   

        CleanupStack::PopAndDestroy( &inputArray );

        }

#ifdef _DEBUG	

    else

        {

AMSLOGGER_WRITE( "CAudioMessageRecorder::ResetAudioInput, iAudioInput == NULL!" );

        }

#endif

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::GetCurrentVolume

// ---------------------------------------------------------

//

TInt CAudioMessageRecorder::GetCurrentVolume()

	{

	TInt current;

	iRecUtility->GetVolume( current );

	TInt stepsize = iRecUtility->MaxVolume() / KAmsVolumeSteps;

	return ( current / stepsize );	

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::GetBitRateL

// ---------------------------------------------------------

//

TUint CAudioMessageRecorder::GetBitRateL()

	{

	if( iErrorCode != KErrNone )

	    {

AMSLOGGER_WRITEF( _L( "CAudioMessageRecorder::GetBitRateL(): Leave ( %d ) occured." ), iErrorCode );

	    User::Leave( iErrorCode);

	    return 0;

	    }	

	return iRecUtility->DestinationBitRateL();

	}

// ---------------------------------------------------------

// CAudioMessageRecorder::IncrementVol

// ---------------------------------------------------------

//

void CAudioMessageRecorder::IncrementVol()

    {

    TInt maxVolume ( iRecUtility->MaxVolume() );

    TInt currentVolume ( 0 );

    iRecUtility->GetVolume( currentVolume );

    TInt volumeValue = currentVolume + (maxVolume /KAmsVolumeSteps);

    if ( volumeValue >= maxVolume )

        iRecUtility->SetVolume( maxVolume );

    else

        iRecUtility->SetVolume( volumeValue );

    }

// ---------------------------------------------------------

// CAudioMessageRecorder::DecrementVol

// ---------------------------------------------------------

//

void CAudioMessageRecorder::DecrementVol()

    {

    TInt maxVolume ( iRecUtility->MaxVolume() );

    TInt currentVolume ( 0 );

    iRecUtility->GetVolume( currentVolume );

    TInt volumeValue = currentVolume - (maxVolume/KAmsVolumeSteps);

    if ( volumeValue <= 0 )

        iRecUtility->SetVolume( 0 );

    else

        iRecUtility->SetVolume( volumeValue );

    }

// ---------------------------------------------------------

// CAudioMessageRecorder::InitializeAudioRoutingL

// ---------------------------------------------------------

//

void CAudioMessageRecorder::InitializeAudioRoutingL()

	{

	if ( iSupportAudioOutput )

		{

		if ( !iAudioOutput )

			{

		    TRAPD( err, iAudioOutput = CAudioOutput::NewL( *iRecUtility, EFalse ) );

			}

		}

	}