sl@0: // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include "MmfDevSoundCIMuxUtility.h"
sl@0: #include <mmf/plugin/mmfdevsoundcustominterface.hrh>
sl@0: #include <mmf/server/mmfdevsoundcustominterface.h>
sl@0: #include <mmf/server/mmfdevsoundcustomcommands.h>
sl@0: #include <ecom/ecom.h>
sl@0: #include <mm/mmpluginutils.h>
sl@0: 
sl@0: 
sl@0: CMMFDevSoundCIMuxUtility* CMMFDevSoundCIMuxUtility::NewL(MMMFDevSoundCustomInterfaceChannel* aCustomChannel)
sl@0: 	{
sl@0: 	CMMFDevSoundCIMuxUtility* self = new (ELeave) CMMFDevSoundCIMuxUtility(aCustomChannel);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: void CMMFDevSoundCIMuxUtility::ConstructL()
sl@0: 	{
sl@0: 	// nothing needed in this implementation
sl@0: 	}
sl@0: 
sl@0: CMMFDevSoundCIMuxUtility::~CMMFDevSoundCIMuxUtility()
sl@0: 	{
sl@0: 
sl@0: 	}
sl@0: 
sl@0: const TInt KMuxTempBufferSize = 20;
sl@0: 
sl@0: // create a custom interface Mux implementation
sl@0: MMMFDevSoundCustomInterfaceMuxPlugin* CMMFDevSoundCIMuxUtility::CreateCustomInterfaceMuxL(TUid aInterfaceId)
sl@0: 	{
sl@0: 	// The Uid of the plugin will be the match string
sl@0: 	TInt uidAsInteger = aInterfaceId.iUid;
sl@0: 	TBuf8<KMuxTempBufferSize> tempBuffer;
sl@0: 	tempBuffer.Num(uidAsInteger, EHex); // has value
sl@0: 	TUid interfaceUid = {KUidDevSoundCustomInterfaceMux};
sl@0: 	
sl@0: 	TUid destructorKey;
sl@0: 	MMMFDevSoundCustomInterfaceMuxPlugin* self = 
sl@0: 		static_cast<MMMFDevSoundCustomInterfaceMuxPlugin*>
sl@0: 		(MmPluginUtils::CreateImplementationL(interfaceUid, destructorKey, tempBuffer, KRomOnlyResolverUid));
sl@0: 
sl@0: 	// pass the destructor key so class can destroy itself
sl@0: 	self->PassDestructorKey(destructorKey);
sl@0: 	CleanupReleasePushL(*self);
sl@0: 
sl@0: 	// attempt to construct the plugin
sl@0: 	self->CompleteConstructL(this);
sl@0: 	CleanupStack::Pop(); // self
sl@0: 		
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: 	
sl@0: // from MMMFDevSoundCustomInterfaceMux interface
sl@0: TInt CMMFDevSoundCIMuxUtility::OpenSlave(TUid aInterface, const TDesC8& aPackageBuf)
sl@0: 	{
sl@0: 	// 1. send openslave custom command to remote side
sl@0: 	// 2. devsoundsession intercepts this custom command
sl@0: 	//    and creates / opens interface
sl@0: 	// open packet = command, interface, inBuff
sl@0: 	TUid commandId(KNullUid);
sl@0: 	commandId.iUid = EMMFDevSoundCustomCommandCIOpenSlave;
sl@0: 	TPckgBuf<TUid> idBuffer(aInterface);
sl@0: 	
sl@0: 	return iCustomChannel->SyncCustomCommand(commandId, idBuffer, aPackageBuf, NULL);
sl@0: 	}
sl@0: 	
sl@0: void CMMFDevSoundCIMuxUtility::CloseSlave(TInt aHandle)
sl@0: 	{
sl@0: 	// 1. send closeslave custom command to remote side
sl@0: 	// 2. demuxplugin removes its handle for this interface
sl@0: 	TUid commandId(KNullUid);
sl@0: 	commandId.iUid = EMMFDevSoundCustomCommandCICloseSlave;
sl@0: 	TPckgBuf<TInt> handleBuffer(aHandle);
sl@0: 	
sl@0: 	iCustomChannel->SyncCustomCommand(commandId, handleBuffer, KNullDesC8, NULL);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt CMMFDevSoundCIMuxUtility::SendSlaveSyncCommand(TInt aHandle, TInt aCommand, const TDesC8& aPackageBuf)
sl@0: 	{
sl@0: 	TUid commandId(KNullUid);
sl@0: 	commandId.iUid = EMMFDevSoundCustomCommandCISendSlaveSyncCommand;
sl@0: 		
sl@0: 	TMMFDevSoundCustomInterfaceCommand commandPair;
sl@0: 	commandPair.iCommand = aCommand;
sl@0: 	commandPair.iHandle = aHandle;
sl@0: 	TPckgBuf<TMMFDevSoundCustomInterfaceCommand> comBuffer(commandPair);
sl@0: 	
sl@0: 	return iCustomChannel->SyncCustomCommand(commandId, comBuffer, aPackageBuf, NULL);
sl@0: 	}
sl@0: 
sl@0: TInt CMMFDevSoundCIMuxUtility::SendSlaveSyncCommandResult(TInt aHandle, TInt aCommand, const TDesC8& aPackageBuf, TDes8& aResultBuf)
sl@0: 	{
sl@0: 	TUid commandId(KNullUid);
sl@0: 	commandId.iUid = EMMFDevSoundCustomCommandCISendSlaveSyncCommandResult;
sl@0: 		
sl@0: 	TMMFDevSoundCustomInterfaceCommand commandPair;
sl@0: 	commandPair.iCommand = aCommand;
sl@0: 	commandPair.iHandle = aHandle;
sl@0: 	TPckgBuf<TMMFDevSoundCustomInterfaceCommand> comBuffer(commandPair);
sl@0: 
sl@0: 	return iCustomChannel->SyncCustomCommand(commandId, comBuffer, aPackageBuf, &aResultBuf);
sl@0: 	}
sl@0: 
sl@0: void CMMFDevSoundCIMuxUtility::SendSlaveAsyncCommand(TMMFDevSoundCustomInterfaceCommandPackage& aComPackage, TRequestStatus& aStatus, const TDesC8& aPackageBuf)
sl@0: 	{
sl@0: 	TUid commandId(KNullUid);
sl@0: 	commandId.iUid = EMMFDevSoundCustomCommandCISendSlaveAsyncCommand;
sl@0: 	
sl@0: 	// command and handle comes from client with asynchronous commands
sl@0: 		
sl@0: 	iCustomChannel->AsyncCustomCommand(commandId, aStatus, aComPackage, aPackageBuf, NULL);
sl@0: 	}
sl@0: 	
sl@0: void CMMFDevSoundCIMuxUtility::SendSlaveAsyncCommandResult(TMMFDevSoundCustomInterfaceCommandPackage& aComPackage, TRequestStatus& aStatus, const TDesC8& aPackageBuf, TDes8& aResultBuf)
sl@0: 	{
sl@0: 	TUid commandId(KNullUid);
sl@0: 	commandId.iUid = EMMFDevSoundCustomCommandCISendSlaveAsyncCommandResult;
sl@0: 		
sl@0: 	// command and handle comes from client with asynchronous commands
sl@0: 
sl@0: 	iCustomChannel->AsyncCustomCommand(commandId, aStatus, aComPackage, aPackageBuf, &aResultBuf);
sl@0: 	}
sl@0: 
sl@0: CMMFDevSoundCIMuxUtility::CMMFDevSoundCIMuxUtility(MMMFDevSoundCustomInterfaceChannel* aCustomChannel)
sl@0: : iCustomChannel(aCustomChannel)
sl@0: 	{
sl@0: 	}
sl@0: