--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmfenh/enhancedmediaclient/Client/src/Components/VolumeEffect/VolumeEffectImpl.cpp	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,200 @@
+/*
+* Copyright (c) 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:  Project file for EnhancedMediaClient Utility
+*
+*/
+
+
+#include "VolumeEffectImpl.h"
+// For KUidInterfaceMMFAudioPlayDevice
+#include <mmf/common/mmfstandardcustomcommands.h>
+#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
+#include <mmf/common/mmfstandardcustomcommandsimpl.h>
+#include <mmf/common/mmfstandardcustomcommandsenums.h>
+#endif
+// For TMMFAudioConfig
+#include <mmf/common/mmfaudio.h>
+// For TMMFMessageDestinationPckg
+#include <mmf/common/mmfcontrollerframework.h>
+
+
+using namespace multimedia;
+
+CVolumeEffect::CVolumeEffect()
+: iVolume(KErrUnknown)
+    ,iRampDuration(0)
+    ,iEnabled(false)
+    {
+    // No Impl
+    }
+
+CVolumeEffect::~CVolumeEffect()
+    {
+    // No Impl
+    }
+
+TInt CVolumeEffect::PostConstructor()
+    {
+    TRAPD( status, CEffectControlBase::ConstructL( KUidInterfaceMMFAudioPlayDevice ) );
+    return status;
+    }
+
+// From MControl begins
+TInt CVolumeEffect::AddObserver( MControlObserver& /*aObserver*/ )
+    {
+    return KErrNotSupported;
+    }
+
+TInt CVolumeEffect::RemoveObserver( MControlObserver& /*aObserver*/ )
+    {
+    return KErrNotSupported;
+    }
+
+TUid CVolumeEffect::Type()
+    {
+    return KVolumeEffectControl;
+    }
+
+TControlType CVolumeEffect::ControlType()
+    {
+	return EEffectControl;
+    }
+
+// From MControl ends
+
+// From MEffectControl begins
+TInt CVolumeEffect::Apply()
+    {
+        iEnabled = true;
+        return DoApply();
+    }
+
+// From MEffectControl ends
+
+TInt CVolumeEffect::DoApply()
+    {
+    TInt error(KErrNone);    
+    TMMFMessageDestination msgDest( KUidInterfaceMMFAudioPlayDevice );
+    TMMFMessageDestinationPckg msgDestPckg( msgDest );
+	TPckgBuf<TMMFAudioConfig> configPackage;
+	configPackage().iVolume = iVolume;
+	error =  CEffectControlBase::CustomCommandSync( msgDestPckg,
+                                                  EMMFAudioPlayDeviceSetVolume,
+                                                  configPackage,
+                                                  KNullDesC8);
+    
+    
+    
+    if(iRampDuration > 0)
+        {
+        configPackage().iRampDuration = iRampDuration;
+    	error =  CEffectControlBase::CustomCommandSync( msgDestPckg, 
+               										 EMMFAudioPlayDeviceSetVolumeRamp, 
+              										 configPackage,
+               										 KNullDesC8);  
+    	}
+    
+    return error;    
+    }
+
+
+
+// From MVolumeEffect begins
+TInt CVolumeEffect::SetVolume( TInt& aVolume )
+    {
+    iVolume = aVolume;
+    return KErrNone;
+    }
+
+TInt CVolumeEffect::GetVolume( TInt& aVolume )
+    {    
+    aVolume = iVolume;
+    return KErrNone;
+    }
+
+TInt CVolumeEffect::GetMaxVolume( TInt& aVolume )
+    {
+    TMMFMessageDestination msgDest( KUidInterfaceMMFAudioPlayDevice );
+    TMMFMessageDestinationPckg msgDestPckg( msgDest );
+	TPckgBuf<TMMFAudioConfig> configPackage;
+	TInt error =  CEffectControlBase::CustomCommandSync( msgDestPckg, 
+                                                         EMMFAudioPlayDeviceGetMaxVolume, 
+                                                         KNullDesC8,
+                                                         KNullDesC8,
+                                                         configPackage );
+	if (!error)
+		aVolume = configPackage().iMaxVolume;
+	
+	return error;
+    
+    }
+
+TInt CVolumeEffect::GetMinVolume( TInt& aMinVolume )
+    {
+    aMinVolume = 0;
+    return KErrNone;
+    }
+
+TInt CVolumeEffect::GetDefaultVolume( TInt& aDefaultVolume )
+    {
+    TInt maxVol=0;    
+    TInt err = GetMaxVolume(maxVol);
+    if(err)
+        return err;
+        
+    aDefaultVolume = (maxVol)/2;
+    return KErrNone;
+    }
+
+TInt CVolumeEffect::SetVolumeRamp(TInt /*aInitialVol*/,TInt aFinalVol,TUint64& aDuration,TVolumeRampMode /*aMode*/)
+    {
+    iVolume = aFinalVol;    
+    iRampDuration = aDuration;
+    return KErrNone;
+    }
+
+// From CEffectControlBase begins
+void CVolumeEffect::Event( TEffectControlEvent aEvent )
+    {
+    TMMFMessageDestination msgDest( KUidInterfaceMMFAudioPlayDevice );
+    TMMFMessageDestinationPckg msgDestPckg( msgDest );
+	TPckgBuf<TMMFAudioConfig> configPackage;
+        // Controller Loaded with ECIBuilderCreated
+    if ( aEvent == ECIBuilderCreated )
+        {
+		if(iVolume == KErrUnknown)
+			{
+			TPckgBuf<TMMFAudioConfig> configPackage;
+			TInt error =  CEffectControlBase::CustomCommandSync(msgDestPckg, 
+														EMMFAudioPlayDeviceGetVolume, 
+														KNullDesC8,
+														KNullDesC8,
+														configPackage);
+	
+			if (!error)
+				{
+				iVolume = configPackage().iVolume;
+				}
+			}
+		}
+	        	
+    if(iEnabled && iVolume != KErrUnknown)
+        {
+        DoApply();
+        }
+    }
+
+// From CEffectControlBase ends
+
+// End of file