os/mm/devsound/devsoundrefplugin/src/platsec/SoundDevice/MmfDevSoundCIMuxUtility.cpp
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/devsound/devsoundrefplugin/src/platsec/SoundDevice/MmfDevSoundCIMuxUtility.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,147 @@
1.4 +// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +#include "MmfDevSoundCIMuxUtility.h"
1.20 +#include <mmf/plugin/mmfdevsoundcustominterface.hrh>
1.21 +#include <mmf/server/mmfdevsoundcustominterface.h>
1.22 +#include <mmf/server/mmfdevsoundcustomcommands.h>
1.23 +#include <ecom/ecom.h>
1.24 +#include <mm/mmpluginutils.h>
1.25 +
1.26 +
1.27 +CMMFDevSoundCIMuxUtility* CMMFDevSoundCIMuxUtility::NewL(MMMFDevSoundCustomInterfaceChannel* aCustomChannel)
1.28 + {
1.29 + CMMFDevSoundCIMuxUtility* self = new (ELeave) CMMFDevSoundCIMuxUtility(aCustomChannel);
1.30 + CleanupStack::PushL(self);
1.31 + self->ConstructL();
1.32 + CleanupStack::Pop(self);
1.33 + return self;
1.34 + }
1.35 +
1.36 +void CMMFDevSoundCIMuxUtility::ConstructL()
1.37 + {
1.38 + // nothing needed in this implementation
1.39 + }
1.40 +
1.41 +CMMFDevSoundCIMuxUtility::~CMMFDevSoundCIMuxUtility()
1.42 + {
1.43 +
1.44 + }
1.45 +
1.46 +const TInt KMuxTempBufferSize = 20;
1.47 +
1.48 +// create a custom interface Mux implementation
1.49 +MMMFDevSoundCustomInterfaceMuxPlugin* CMMFDevSoundCIMuxUtility::CreateCustomInterfaceMuxL(TUid aInterfaceId)
1.50 + {
1.51 + // The Uid of the plugin will be the match string
1.52 + TInt uidAsInteger = aInterfaceId.iUid;
1.53 + TBuf8<KMuxTempBufferSize> tempBuffer;
1.54 + tempBuffer.Num(uidAsInteger, EHex); // has value
1.55 + TUid interfaceUid = {KUidDevSoundCustomInterfaceMux};
1.56 +
1.57 + TUid destructorKey;
1.58 + MMMFDevSoundCustomInterfaceMuxPlugin* self =
1.59 + static_cast<MMMFDevSoundCustomInterfaceMuxPlugin*>
1.60 + (MmPluginUtils::CreateImplementationL(interfaceUid, destructorKey, tempBuffer, KRomOnlyResolverUid));
1.61 +
1.62 + // pass the destructor key so class can destroy itself
1.63 + self->PassDestructorKey(destructorKey);
1.64 + CleanupReleasePushL(*self);
1.65 +
1.66 + // attempt to construct the plugin
1.67 + self->CompleteConstructL(this);
1.68 + CleanupStack::Pop(); // self
1.69 +
1.70 + return self;
1.71 + }
1.72 +
1.73 +
1.74 +// from MMMFDevSoundCustomInterfaceMux interface
1.75 +TInt CMMFDevSoundCIMuxUtility::OpenSlave(TUid aInterface, const TDesC8& aPackageBuf)
1.76 + {
1.77 + // 1. send openslave custom command to remote side
1.78 + // 2. devsoundsession intercepts this custom command
1.79 + // and creates / opens interface
1.80 + // open packet = command, interface, inBuff
1.81 + TUid commandId(KNullUid);
1.82 + commandId.iUid = EMMFDevSoundCustomCommandCIOpenSlave;
1.83 + TPckgBuf<TUid> idBuffer(aInterface);
1.84 +
1.85 + return iCustomChannel->SyncCustomCommand(commandId, idBuffer, aPackageBuf, NULL);
1.86 + }
1.87 +
1.88 +void CMMFDevSoundCIMuxUtility::CloseSlave(TInt aHandle)
1.89 + {
1.90 + // 1. send closeslave custom command to remote side
1.91 + // 2. demuxplugin removes its handle for this interface
1.92 + TUid commandId(KNullUid);
1.93 + commandId.iUid = EMMFDevSoundCustomCommandCICloseSlave;
1.94 + TPckgBuf<TInt> handleBuffer(aHandle);
1.95 +
1.96 + iCustomChannel->SyncCustomCommand(commandId, handleBuffer, KNullDesC8, NULL);
1.97 + }
1.98 +
1.99 +
1.100 +TInt CMMFDevSoundCIMuxUtility::SendSlaveSyncCommand(TInt aHandle, TInt aCommand, const TDesC8& aPackageBuf)
1.101 + {
1.102 + TUid commandId(KNullUid);
1.103 + commandId.iUid = EMMFDevSoundCustomCommandCISendSlaveSyncCommand;
1.104 +
1.105 + TMMFDevSoundCustomInterfaceCommand commandPair;
1.106 + commandPair.iCommand = aCommand;
1.107 + commandPair.iHandle = aHandle;
1.108 + TPckgBuf<TMMFDevSoundCustomInterfaceCommand> comBuffer(commandPair);
1.109 +
1.110 + return iCustomChannel->SyncCustomCommand(commandId, comBuffer, aPackageBuf, NULL);
1.111 + }
1.112 +
1.113 +TInt CMMFDevSoundCIMuxUtility::SendSlaveSyncCommandResult(TInt aHandle, TInt aCommand, const TDesC8& aPackageBuf, TDes8& aResultBuf)
1.114 + {
1.115 + TUid commandId(KNullUid);
1.116 + commandId.iUid = EMMFDevSoundCustomCommandCISendSlaveSyncCommandResult;
1.117 +
1.118 + TMMFDevSoundCustomInterfaceCommand commandPair;
1.119 + commandPair.iCommand = aCommand;
1.120 + commandPair.iHandle = aHandle;
1.121 + TPckgBuf<TMMFDevSoundCustomInterfaceCommand> comBuffer(commandPair);
1.122 +
1.123 + return iCustomChannel->SyncCustomCommand(commandId, comBuffer, aPackageBuf, &aResultBuf);
1.124 + }
1.125 +
1.126 +void CMMFDevSoundCIMuxUtility::SendSlaveAsyncCommand(TMMFDevSoundCustomInterfaceCommandPackage& aComPackage, TRequestStatus& aStatus, const TDesC8& aPackageBuf)
1.127 + {
1.128 + TUid commandId(KNullUid);
1.129 + commandId.iUid = EMMFDevSoundCustomCommandCISendSlaveAsyncCommand;
1.130 +
1.131 + // command and handle comes from client with asynchronous commands
1.132 +
1.133 + iCustomChannel->AsyncCustomCommand(commandId, aStatus, aComPackage, aPackageBuf, NULL);
1.134 + }
1.135 +
1.136 +void CMMFDevSoundCIMuxUtility::SendSlaveAsyncCommandResult(TMMFDevSoundCustomInterfaceCommandPackage& aComPackage, TRequestStatus& aStatus, const TDesC8& aPackageBuf, TDes8& aResultBuf)
1.137 + {
1.138 + TUid commandId(KNullUid);
1.139 + commandId.iUid = EMMFDevSoundCustomCommandCISendSlaveAsyncCommandResult;
1.140 +
1.141 + // command and handle comes from client with asynchronous commands
1.142 +
1.143 + iCustomChannel->AsyncCustomCommand(commandId, aStatus, aComPackage, aPackageBuf, &aResultBuf);
1.144 + }
1.145 +
1.146 +CMMFDevSoundCIMuxUtility::CMMFDevSoundCIMuxUtility(MMMFDevSoundCustomInterfaceChannel* aCustomChannel)
1.147 +: iCustomChannel(aCustomChannel)
1.148 + {
1.149 + }
1.150 +