sl@0: // Copyright (c) 2006-2009 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: // INCLUDE FILES
sl@0: //
sl@0: 
sl@0: 
sl@0: 
sl@0: #include "sounddevicebody.h"
sl@0: #include <a3f/mmfdevsoundcustominterfaceextensions.h>
sl@0: #include <mmf/plugin/mmfdevsoundcustominterface.hrh>
sl@0: #include <mm/mmpluginutils.h>
sl@0: 
sl@0: /*
sl@0:  *  Default Constructor.
sl@0:  */
sl@0: CMMFDevSound::CBody::CBody()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: /*
sl@0:  *  Destructor.
sl@0:  *
sl@0:  *  Deletes all objects and releases all resource owned by this
sl@0:  *  instance.
sl@0:  */
sl@0: CMMFDevSound::CBody::~CBody()
sl@0: 	{
sl@0: 	// Clear the array of custom interfaces
sl@0: 	TInt numIfs = iCustomInterfaceArray.Count();
sl@0: 	for (TInt i = 0; i < numIfs; i++)
sl@0: 		{
sl@0: 		if(iCustomInterfaceArray[i].iInterface)
sl@0: 			{
sl@0: 			iCustomInterfaceArray[i].iInterface->Release();
sl@0: 			}
sl@0: 		}
sl@0: 	iCustomInterfaceArray.Reset();
sl@0: 	iCustomInterfaceArray.Close();
sl@0: 
sl@0: 	// Delete the MUX utility
sl@0: 	delete iMuxUtility;
sl@0: 
sl@0: 	if (iDevSoundProxy)
sl@0: 		{
sl@0: 		iDevSoundProxy->Close();
sl@0: 		delete iDevSoundProxy;
sl@0: 		}
sl@0: 	
sl@0: 	// Delete the CI extension
sl@0: 	if (iCIExtension)
sl@0: 		{
sl@0: 		iCIExtension->Release();
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: /*
sl@0:  *  Constructs, and returns a pointer to, a new CMMFDevSound::CBody object.
sl@0:  *
sl@0:  *  Leaves on failure.
sl@0:  */
sl@0: CMMFDevSound::CBody* CMMFDevSound::CBody::NewL()
sl@0: 	{
sl@0: 	CBody* self = new (ELeave) CBody;
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: /*
sl@0:  *  Second phase constructor.
sl@0:  */
sl@0: void CMMFDevSound::CBody::ConstructL()
sl@0: 	{
sl@0: 	// all these data properties should be NULL, but add ASSERTs to verify.
sl@0: 	ASSERT(!iDevSoundProxy);
sl@0: 	iDevSoundProxy = new (ELeave) RMMFDevSoundProxy();
sl@0: 	TInt err = iDevSoundProxy->Open();
sl@0: 	User::LeaveIfError(err);
sl@0: 	
sl@0: 	User::LeaveIfError(iDevSoundProxy->PostOpen());
sl@0: 	
sl@0: 	// create Custom Interface MUX utility
sl@0: 	iMuxUtility = CMMFDevSoundCIMuxUtility::NewL(this);
sl@0: 	
sl@0: 	// Create Custom Interface extension
sl@0: 	RImplInfoPtrArray pluginArray;
sl@0: 	CleanupResetAndDestroyPushL(pluginArray);
sl@0: 	TUid interfaceUid = {KUidDevSoundCIClientExtension};
sl@0: 	REComSession::ListImplementationsL(interfaceUid, pluginArray);
sl@0: 	TUid destructorKey;
sl@0: 	if (pluginArray.Count() > 0)
sl@0: 		{
sl@0: 		// One or more exists - use the 1st one found
sl@0: 		iCIExtension = static_cast<MDevSoundCIClientExtension*>
sl@0: 						(REComSession::CreateImplementationL(pluginArray[0]->ImplementationUid(), destructorKey));
sl@0: 		}
sl@0: 	CleanupStack::PopAndDestroy(&pluginArray);
sl@0: 	if (iCIExtension)
sl@0: 		{
sl@0: 		// Extension exists. Complete the setup
sl@0: 		iCIExtension->PassDestructorKey(destructorKey);
sl@0: 		User::LeaveIfError(iCIExtension->Setup(*iDevSoundProxy));
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: /*
sl@0:  *  CMMFDevSound::InitializeL
sl@0:  *
sl@0:  *  Initializes CMMFDevSound object. On completion of Initialization will
sl@0:  *  call InitializeComplete() on aDevSoundObserver.
sl@0:  *
sl@0:  *  Leaves on failure.
sl@0:  *
sl@0:  *  @param  MDevSoundObserver&
sl@0:  *          A reference to the DevSound Observer instance.
sl@0:  *
sl@0:  *  @param  TMMFState
sl@0:  *          A mode for which this object will be used.
sl@0:  */
sl@0: void CMMFDevSound::CBody::InitializeL(MDevSoundObserver& aDevSoundObserver,
sl@0:                                       TMMFState aMode)
sl@0: 
sl@0: 	{
sl@0: 
sl@0: 	ASSERT(iDevSoundProxy);
sl@0: 	iDevSoundProxy->InitializeL(aDevSoundObserver, aMode, *this);
sl@0: 	}
sl@0: 
sl@0: /*
sl@0:  *  CMMFDevSound::InitializeL
sl@0:  *
sl@0:  *  Initializes CMMFDevSound object with hardware device with hardware
sl@0:  *  device's FourCC code. On completion of Initialization will call
sl@0:  *  InitializeComplete() on aDevSoundObserver.
sl@0:  *
sl@0:  *  Leaves on failure.
sl@0:  *
sl@0:  *  @param  MDevSoundObserver&
sl@0:  *          A reference to the DevSound Observer instance.
sl@0:  *
sl@0:  *  @param  TFourCC
sl@0:  *          CMMFHwDevice implementation FourCC.
sl@0:  *
sl@0:  *  @param  TMMFState
sl@0:  *          A mode for which this object will be used.
sl@0:  *
sl@0:  */
sl@0: void CMMFDevSound::CBody::InitializeL(MDevSoundObserver& aDevSoundObserver,
sl@0:                                       TFourCC aDesiredFourCC,
sl@0:                                       TMMFState aMode)
sl@0: 	{
sl@0: 	ASSERT(iDevSoundProxy);
sl@0: 	iDevSoundProxy->InitializeL(aDevSoundObserver, aDesiredFourCC, aMode, *this);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  *  CMMFDevSound::CBody::CustomInterface
sl@0:  *
sl@0:  *  Returns custom interface proxy object created by Proxy Custom Interface
sl@0:  *  Utility.
sl@0:  *
sl@0:  *  @param  TUid
sl@0:  *          UID of the custom interface object to be started.
sl@0:  *
sl@0:  *  @return TAny*
sl@0:  *          Pointer to the Interface Returned by the DevSoundProxy member.
sl@0:  */
sl@0: TAny* CMMFDevSound::CBody::CustomInterface(TUid aInterfaceId)
sl@0: 	{
sl@0: 	// check if this UID refers to CancelInitialize()
sl@0: 	if (aInterfaceId == KMmfUidDevSoundCancelInitializeCustomInterface)
sl@0: 		{
sl@0: 		MMMFDevSoundCancelInitialize* result = this; 
sl@0: 		return result;
sl@0: 		}
sl@0: 	
sl@0: 	// check if this UID refers to EmptyBuffers()
sl@0: 	if (aInterfaceId == KMmfUidDevSoundEmptyBuffersCustomInterface)
sl@0: 		{
sl@0: 		MMMFDevSoundEmptyBuffers* result = this; 
sl@0: 		return result;
sl@0: 		}
sl@0: 		
sl@0: 	if (aInterfaceId == KMmfUidDevSoundAudioResourceCustomInterface)
sl@0: 		{
sl@0: 		MAutoPauseResumeSupport* result = this; 
sl@0: 		return result;
sl@0: 		}		
sl@0: 
sl@0: 	if (aInterfaceId == KMmfUidDevSoundTimePlayedCustomInterface)
sl@0: 		{
sl@0: 		MMMFDevSoundTimePlayed* result = this; 
sl@0: 		return result;
sl@0: 		}
sl@0: 	
sl@0: 	if (aInterfaceId == KMmfUidDevSoundQueryIgnoresUnderflowCustomInterface)
sl@0: 		{
sl@0: 		MMMFDevSoundQueryIgnoresUnderflow* result = this;
sl@0: 		return result;
sl@0: 		}
sl@0: 		
sl@0: 	if (aInterfaceId == KMmfUidDevSoundAudioClientThreadInfoCustomInterface)
sl@0: 		{
sl@0: 		MAudioClientThreadInfo* result = this; 
sl@0: 		return result;
sl@0: 		}
sl@0: 
sl@0: 	if (aInterfaceId == KMmfUidDevSoundTruePauseCustomInterface)
sl@0: 		{
sl@0: 		MMMFDevSoundTruePause* result = this;
sl@0: 		return result;
sl@0: 		}
sl@0: 
sl@0: 	// first check if we already have resolved a custom interface of this type
sl@0: 	TInt index = FindCustomInterface(aInterfaceId);
sl@0: 	
sl@0: 	MMMFDevSoundCustomInterfaceMuxPlugin* ptr = NULL;
sl@0: 		
sl@0: 	// if we found the interface, take a copy of this instead
sl@0: 	if (index != KNullHandle)
sl@0: 		{
sl@0: 		// check our index is valid
sl@0: 		ptr = iCustomInterfaceArray[index-1].iInterface;
sl@0: 		if (ptr)		
sl@0: 			{
sl@0: 			return ptr->CustomInterface(aInterfaceId);
sl@0: 			}
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		// else try and instantiate a plugin tunnelling
sl@0: 		// pair to support this Custom Interface
sl@0: 		TRAPD(err, ptr = iMuxUtility->CreateCustomInterfaceMuxL(aInterfaceId));
sl@0: 	
sl@0: 		if (ptr && (err == KErrNone))
sl@0: 			{
sl@0: 			TMMFDevSoundCustomInterfaceData data;
sl@0: 			data.iInterface = ptr;
sl@0: 			data.iId = aInterfaceId;
sl@0: 			
sl@0: 			// attempt to open remote demux
sl@0: 			// this will store a handle in the mux plugin if successful
sl@0: 			// and also return it here - invalid handle = -1
sl@0: 			data.iHandle = ptr->OpenInterface(aInterfaceId);
sl@0: 			
sl@0: 			// if the handle is greater than zero then we know we have
sl@0: 			// successfully opened the interface
sl@0: 			if (data.iHandle > KNullHandle)
sl@0: 				{	
sl@0: 				// append this to the current interface list
sl@0: 				TInt err = KErrNone;
sl@0: 				err = iCustomInterfaceArray.Append(data);
sl@0: 				if (err == KErrNone)
sl@0: 					{
sl@0: 					// return the custom interface on the ptr
sl@0: 					return ptr->CustomInterface(aInterfaceId);
sl@0: 					}
sl@0: 				}
sl@0: 					
sl@0: 				// no memory or other problem so shut down interface
sl@0: 				ptr->Release();
sl@0: 				ptr = NULL;
sl@0: 			}
sl@0: 		}
sl@0: 		
sl@0: 	if (iCIExtension)
sl@0: 		{
sl@0: 		// CI Extension exists, see if it supports the interface
sl@0: 		TAny* interface;
sl@0: 		TInt err = iCIExtension->CustomInterfaceExtension(aInterfaceId, interface);
sl@0: 		if (err == KErrNone)
sl@0: 			{
sl@0: 			return interface;
sl@0: 			}
sl@0: 		}
sl@0: 	// No Mux/DeMux support & no support from CI Extension, if here
sl@0: 	// So, its not supported	
sl@0: 	return NULL;
sl@0: 	}
sl@0: 
sl@0: TInt CMMFDevSound::CBody::FindCustomInterface(TUid aInterfaceId)
sl@0: 	{
sl@0: 	TInt index = KNullHandle;
sl@0: 	TInt count = iCustomInterfaceArray.Count();
sl@0: 	for (TInt i = 0; i < count; i++)
sl@0: 		{
sl@0: 		if (iCustomInterfaceArray[i].iId == aInterfaceId)
sl@0: 			{
sl@0: 			index = i+1; // use index+1 as the handle, so 0 is undefined/not-found
sl@0: 			break;
sl@0: 			}
sl@0: 		}
sl@0: 	
sl@0: 	return index;
sl@0: 	}
sl@0: 
sl@0: void CMMFDevSound::CBody::CloseCustomInterface(TInt aIndex)
sl@0: 	{
sl@0: 	TInt count = iCustomInterfaceArray.Count();
sl@0: 	for (TInt i = 0; i < count; i++)
sl@0: 		{
sl@0: 		if(iCustomInterfaceArray[i].iHandle == aIndex)
sl@0: 			{
sl@0: 			iCustomInterfaceArray[i].iInterface->Release();
sl@0: 			iCustomInterfaceArray.Remove(i);
sl@0: 			break;
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: TInt CMMFDevSound::CBody::GetTimePlayed(TTimeIntervalMicroSeconds& aTime)
sl@0: 	{
sl@0: 	return iDevSoundProxy->GetTimePlayed(aTime);
sl@0: 	}
sl@0: 
sl@0: TBool CMMFDevSound::CBody::QueryIgnoresUnderflow()
sl@0: 	{
sl@0: 	return ETrue;
sl@0: 	}
sl@0: 
sl@0: TInt CMMFDevSound::CBody::SetClientThreadInfo(TThreadId aTid)
sl@0: 	{
sl@0: 	return iDevSoundProxy->SetClientThreadInfo(aTid);
sl@0: 	}
sl@0: // End of File