mmfenh/enhancedmediaclient/Client/src/Components/BalanceEffect/BalanceEffectImpl.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mmfenh/enhancedmediaclient/Client/src/Components/BalanceEffect/BalanceEffectImpl.cpp Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,140 @@
+/*
+* 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 "BalanceEffectImpl.h"
+// For KUidInterfaceMMFAudioPlayDevice
+#include <mmf/common/mmfstandardcustomcommands.h>
+#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
+#include <mmf/common/mmfstandardcustomcommandsenums.h>
+#endif
+// For TMMFAudioConfig
+#include <mmf/common/mmfaudio.h>
+// For TMMFMessageDestinationPckg
+#include <mmf/common/mmfcontrollerframework.h>
+
+using namespace multimedia;
+
+CBalanceEffect::CBalanceEffect()
+: iBalance(KMMFBalanceCenter)
+ {
+ // No Impl
+ }
+
+CBalanceEffect::~CBalanceEffect()
+ {
+ // No Impl
+ }
+
+TInt CBalanceEffect::PostConstructor()
+ {
+ TRAPD( status, CEffectControlBase::ConstructL( KUidInterfaceMMFAudioPlayDevice ) );
+ return status;
+ }
+
+// From MControl begins
+TInt CBalanceEffect::AddObserver( MControlObserver& /*aObserver*/ )
+ {
+ return KErrNotSupported;
+ }
+
+TInt CBalanceEffect::RemoveObserver( MControlObserver& /*aObserver*/ )
+ {
+ return KErrNotSupported;
+ }
+
+TUid CBalanceEffect::Type()
+ {
+ return KBalanceEffectControl;
+ }
+
+TControlType CBalanceEffect::ControlType()
+ {
+ return EEffectControl;
+ }
+// From MControl ends
+
+// From MEffectControl begins
+TInt CBalanceEffect::Apply()
+ {
+ iEnabled = true;
+ return DoApply();
+ }
+
+// From MEffectControl ends
+
+// From MBalanceEffect begins
+
+TInt CBalanceEffect::DoApply()
+ {
+ TInt error(KErrNone);
+ TMMFMessageDestination msgDest( KUidInterfaceMMFAudioPlayDevice );
+ TMMFMessageDestinationPckg msgDestPckg( msgDest );
+ TPckgBuf<TMMFAudioConfig> configPackage;
+ configPackage().iBalance = iBalance;
+ error = CEffectControlBase::CustomCommandSync( msgDestPckg,
+ EMMFAudioPlayDeviceSetBalance,
+ configPackage,
+ KNullDesC8);
+ return error;
+ }
+
+// From MBalanceEffectt begins
+TInt CBalanceEffect::SetBalance( TInt& aBalance )
+ {
+ iBalance = aBalance;
+ return KErrNone;
+ }
+
+TInt CBalanceEffect::GetBalance( TInt& aBalance )
+ {
+ aBalance = iBalance;
+ return KErrNone;
+ }
+
+// From CEffectControlerBase begins
+
+void CBalanceEffect::Event ( TEffectControlEvent aEvent)
+ {
+ TMMFMessageDestination msgDest ( KUidInterfaceMMFAudioPlayDevice );
+ TMMFMessageDestinationPckg msgDestPckg ( msgDest );
+ TPckgBuf<TMMFAudioConfig> configPackage;
+ // Controller loaded with ECIBuilderCreated
+ if ( aEvent == ECIBuilderCreated )
+ {
+ if ( iBalance == KMMFBalanceCenter)
+ {
+ TInt error = CEffectControlBase::CustomCommandSync(msgDestPckg,
+ EMMFAudioPlayDeviceGetBalance,
+ KNullDesC8,
+ KNullDesC8,
+ configPackage);
+ if ( !error )
+ {
+ iBalance = configPackage().iBalance;
+ }
+ }
+ }
+ if ( iEnabled && iBalance != KMMFBalanceCenter)
+ {
+ DoApply();
+ }
+ }
+
+// From CEffectControlBase ends
+
+// End of file