--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmhais/refacladapt/src/audiogaincontrol/audiogaincontrol.cpp	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,272 @@
+// Copyright (c) 2006-2009 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 "audiogaincontrol.h"
+#include <a3f/audioprocessingunittypeuids.h>
+
+// ======== LOCAL FUNCTIONS ========
+void Panic(TInt aPanicCode)
+	{
+	_LIT(KAudioGainControlPanicCategory, "audiogaincontrol");
+	User::Panic(KAudioGainControlPanicCategory, aPanicCode);
+	}
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+CAudioGainControl::CAudioGainControl()
+	{
+	TRACE_CREATE();
+	DP_CONTEXT(CAudioGainControl::CAudioGainControl *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// Factory method
+// ---------------------------------------------------------------------------
+EXPORT_C CAudioGainControl* CAudioGainControl::NewL()
+	{
+	DP_STATIC_CONTEXT(CAudioGainControl::NewL *CD0*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	CAudioGainControl* self = new(ELeave)CAudioGainControl();
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	DP0_RET(self, "0x%x");
+	}
+
+// ---------------------------------------------------------------------------
+// Second phase constructor
+// ---------------------------------------------------------------------------
+void CAudioGainControl::ConstructL()
+	{
+	DP_CONTEXT(CAudioGainControl::ConstructL *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+CAudioGainControl::~CAudioGainControl()
+	{
+	DP_CONTEXT(CAudioGainControl::~CAudioGainControl *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	iGainObservers.Close();
+	DP_OUT();
+	}
+
+EXPORT_C void CAudioGainControl::SetHelper(MGainHelper &aHelper)
+	{
+	iHelper = &aHelper;
+	}
+// ---------------------------------------------------------------------------
+// CAudioGainControl::IssueGainChangedCallBack
+// ---------------------------------------------------------------------------
+EXPORT_C void CAudioGainControl::IssueGainChangedCallBack(TInt aError)
+	{
+	DP_CONTEXT(CAudioGainControl::IssueGainChangedCallBack *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TUint count = iGainObservers.Count();
+	for(TUint i(0); i<count; i++)
+		{
+		iGainObservers[i]->GainChanged(*this, aError);
+		}
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// CAudioGainControl::IssueMaxGainChangedCallBack
+// ---------------------------------------------------------------------------
+void CAudioGainControl::IssueMaxGainChangedCallBack()
+	{
+	DP_CONTEXT(CAudioGainControl::IssueMaxGainChangedCallBack *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TUint count = iGainObservers.Count();
+	for(TUint i(0); i<count; i++)
+		{
+		iGainObservers[i]->MaxGainChanged(*this);
+		}
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// CAudioGainControl::IssueMaxRampTimeGainChangedCallBack
+// ---------------------------------------------------------------------------
+void CAudioGainControl::IssueMaxRampTimeChangedCallBack()
+	{
+	DP_CONTEXT(CAudioGainControl::IssueMaxRampTimeChangedCallBack *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TUint count = iGainObservers.Count();
+	for(TUint i(0); i<count; i++)
+		{
+		 iGainObservers[i]->MaxRampTimeChanged(*this);
+		}
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// CAudioGainControl::ConfigureRamp
+// ---------------------------------------------------------------------------
+EXPORT_C TInt CAudioGainControl::ConfigureRamp(TUid aRampOperation, const TTimeIntervalMicroSeconds& aRampDuration)
+	{
+	DP_CONTEXT(CAudioGainControl::ConfigureRamp *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+
+	TInt err = KErrNone;
+	// Apply ramp
+	if(iHelper)
+		{
+		err = iHelper->ConfigureRamp(aRampOperation, aRampDuration);
+		}
+		
+	DP0_RET(err, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// from class MAudioGainControl
+// CAudioGainControl::GetMaxGain
+// ---------------------------------------------------------------------------
+TInt CAudioGainControl::GetMaxGain(TInt& aMaxGain) const
+	{
+	DP_CONTEXT(CAudioGainControl::GetMaxGain *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TInt err = KErrNone;
+	aMaxGain = KDefaultMaxGain;
+	DP0_RET(err, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// from class MAudioGainControl
+// CAudioGainControl::GetMaxRampTime
+// ---------------------------------------------------------------------------
+TInt CAudioGainControl::GetMaxRampTime(TTimeIntervalMicroSeconds& aMaxRampTime) const
+	{
+	DP_CONTEXT(CAudioGainControl::GetMaxRampTime *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	aMaxRampTime = KDefaultMaxRampTime;
+	DP0_RET(KErrNone, "%d");
+	} 
+
+// ---------------------------------------------------------------------------
+// from class MAudioGainControl
+// CAudioGainControl::GetGain
+// ---------------------------------------------------------------------------
+TInt CAudioGainControl::GetGain(RArray<TAudioChannelGain>& aChannels) const
+	{
+	DP_CONTEXT(CAudioGainControl::GetGain *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TInt err = KErrNone;
+
+	aChannels.Reset();
+	TInt count = iGains.Count();
+
+	for (TUint i(0); i < count; i++)
+		{
+		err = aChannels.Append(iGains[i]);
+		if(err != KErrNone)
+			{
+			break;
+			}
+		}
+	
+	DP0_RET(err, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// from class MAudioGainControl
+// CAudioGainControl::SetGain
+// ---------------------------------------------------------------------------
+TInt CAudioGainControl::SetGain( RArray<TAudioChannelGain>& /*aChannels*/, TUid /*aRampOperation*/, 
+	const TTimeIntervalMicroSeconds& /*aRampDuration*/)
+	{
+	DP_CONTEXT(CAudioGainControl::SetGain *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	__ASSERT_DEBUG(EFalse, Panic(EAdaptationOldSetGainCalledPanic));
+	DP0_RET(KErrNone, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// from class MAudioGainControl
+// CAudioGainControl::SetGain
+// ---------------------------------------------------------------------------
+TInt CAudioGainControl::SetGain(RArray<TAudioChannelGain>& aChannels)
+	{
+	DP_CONTEXT(CAudioGainControl::SetGain *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TInt err = KErrNone;
+
+	// Keep array cache
+	iGains.Reset();
+	TUint count = aChannels.Count();
+	for (TUint i(0); i < count; i++)
+		{
+		err = iGains.Append(aChannels[i]);
+		if(err != KErrNone)
+			{
+			break;
+			}
+		}
+
+	// Apply gain
+	if(iHelper && err == KErrNone)
+		{
+		err = iHelper->SetGain(aChannels);
+		}
+	DP0_RET(KErrNone, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// from class MAudioGainControl
+// CAudioGainControl::RegisterAudioGainControlObserver
+// ---------------------------------------------------------------------------
+TInt CAudioGainControl::RegisterAudioGainControlObserver(MAudioGainControlObserver& aObserver)
+	{
+	DP_CONTEXT(CAudioGainControl::RegisterAudioStreamObserver *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TInt err = iGainObservers.Find(&aObserver);
+	if(err == KErrNotFound)
+		{
+		err = iGainObservers.Append(&aObserver);
+		}
+	else
+		{
+		err = KErrAlreadyExists;
+		}
+	DP0_RET(err, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// from class MAudioGainControl
+// CAudioGainControl::UnregisterAudioGainControlObserver
+// ---------------------------------------------------------------------------
+void CAudioGainControl::UnregisterAudioGainControlObserver(MAudioGainControlObserver& aObserver)
+	{
+	DP_CONTEXT(CAudioGainControl::UnregisterAudioStreamObserver *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TInt idxOrErr = iGainObservers.Find(&aObserver);
+	if( idxOrErr != KErrNotFound )
+		{
+		iGainObservers.Remove(idxOrErr);
+		}
+	DP_OUT();
+	}
+
+// end of file