mmfenh/progressivedownload/ProgressiveDownloadUtility/src/mmfclientutility.cpp
changeset 0 71ca22bcf22a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmfenh/progressivedownload/ProgressiveDownloadUtility/src/mmfclientutility.cpp	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,2308 @@
+/*
+* Copyright (c) 2004 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:  Progressive Download Utility  Audio, MIDI and Video client utility functions.
+*
+*/
+
+
+#include <e32std.h>
+#include <f32file.h>
+#include <bautils.h>
+#include <caf/content.h>
+#include <caf/data.h>
+using namespace ContentAccess;
+
+#include "mmfclientutility.h"
+#include <mmf/common/mmfpaniccodes.h>
+
+const TInt KMaxMimeLength = 256;
+const TInt KMaxHeaderSize = 256;
+#ifdef __WINDOWS_MEDIA
+_LIT8(KWMAMimeType,"audio/x-ms-wma");
+#endif
+
+void CUPanic(TInt aCUPanicCode)
+	{
+	_LIT(KMMFMediaClientUtilityPaanicCategory, "MMFClientUtility");
+	User::Panic(KMMFMediaClientUtilityPaanicCategory, aCUPanicCode);
+	}
+
+/**
+ * @internalComponent
+ */
+ TUid CMMFClientUtility::ConvertMdaFormatUidToECOMWrite(TUid aMdaFormatUid)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFClientUtility::ConvertMdaFormatUidToECOMWrite\n"));
+    #endif
+	TUid ECOMUid = KNullUid;
+	if (aMdaFormatUid == KUidMdaClipFormatWav)
+		ECOMUid = TUid::Uid(KMmfUidFormatWAVWrite);
+	else if (aMdaFormatUid == KUidMdaClipFormatAu)
+		ECOMUid = TUid::Uid(KMmfUidFormatAUWrite);
+	else if (aMdaFormatUid == KUidMdaClipFormatRawAudio)
+		ECOMUid = TUid::Uid(KMmfUidFormatRAWWrite);
+	else if (aMdaFormatUid == KUidMdaClipFormatRawAmr)
+		ECOMUid = TUid::Uid(KAdvancedUidFormatAMRWrite);
+
+	return ECOMUid;
+	}
+
+/**
+ * @internalComponent
+ */
+ TUid CMMFClientUtility::ConvertMdaFormatUidToECOMRead(TUid aMdaFormatUid)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFClientUtility::ConvertMdaFormatUidToECOMRead\n"));
+    #endif
+	TUid ECOMUid = KNullUid;
+	if (aMdaFormatUid == KUidMdaClipFormatWav)
+		ECOMUid = TUid::Uid(KMmfUidFormatWAVRead);
+	else if (aMdaFormatUid == KUidMdaClipFormatAu)
+		ECOMUid = TUid::Uid(KMmfUidFormatAURead);
+	else if (aMdaFormatUid == KUidMdaClipFormatRawAudio)
+		ECOMUid = TUid::Uid(KMmfUidFormatRAWRead);
+	else if (aMdaFormatUid == KUidMdaClipFormatRawAmr)
+		ECOMUid = TUid::Uid(KAdvancedUidFormatAMRRead);
+
+	return ECOMUid;
+	}
+
+/**
+ * @internalComponent
+ */
+ TInt CMMFClientUtility::GetFileHeaderData(const TDesC& aFileName, TDes8& aHeaderData, TInt aMaxLength)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFClientUtility::GetFileHeaderData***\n"));
+    #endif
+	RFs fsSession;
+	RFile file;
+	TInt error = KErrNone;
+	TInt size = 0;
+	if ((error = fsSession.Connect()) == KErrNone)
+		{
+		//rj  if ((error = file.Open(fsSession, aFileName, EFileShareReadersOnly)) == KErrNone)
+        if ((error = file.Open(fsSession, aFileName, EFileShareAny)) == KErrNone)
+			{
+
+
+			if ((error = file.Size(size)) == KErrNone)
+				{
+				if (size > 0)
+					{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFClientUtility::GetFileHeaderData actual size= %d  \n"),size);
+    #endif
+					if (size > aMaxLength)
+						size = aMaxLength;
+
+					error = file.Read(aHeaderData, size);
+					}
+				}
+			file.Close();
+			}
+		fsSession.Close();
+
+
+		}
+
+	#if _DEBUG
+      RDebug::Print(_L("CMMFClientUtility::GetFileHeaderData err %d  header %d\n"),error,size);
+    #endif
+
+	return error;
+	}
+
+/**
+ * @internalComponent
+ */
+ TFourCC CMMFClientUtility::ConvertMdaCodecToFourCC(TMdaPackage& aCodec)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFClientUtility::ConvertMdaCodecToFourCC\n"));
+    #endif
+	TFourCC dataType = KMMFFourCCCodeNULL;
+	switch (aCodec.Uid().iUid)
+		{
+		case KUidMdaWavPcmCodecDefine:
+			{
+			TMdaPcmWavCodec* pcmWavCodec = (TMdaPcmWavCodec*)&aCodec;
+			if (pcmWavCodec->iBits == TMdaPcmWavCodec::E8BitPcm)
+				dataType = KMMFFourCCCodePCMU8; //8 bit PCM
+			else
+				dataType = KMMFFourCCCodePCM16; //16 bit PCM
+			break;
+			}
+		case KUidMdaAu8PcmCodecDefine:
+			dataType = KMMFFourCCCodePCM8;
+			break;
+		case KUidMdaAuCodecDefine:
+		case KUidMdaAu16PcmCodecDefine:
+			dataType = KMMFFourCCCodePCM16B;
+			break;
+
+		case KUidMdaAuMulawCodecDefine:
+		case KUidMdaWavMulawCodecDefine:
+		case KUidMdaRawAudioMulawCodecDefine:  //uLAW
+			dataType = KMMFFourCCCodeMuLAW;
+			break;
+		case KUidMdaAuAlawCodecDefine:
+		case KUidMdaWavAlawCodecDefine:
+		case KUidMdaRawAudioAlawCodecDefine:	 //ALAW
+			dataType = KMMFFourCCCodeALAW;
+			break;
+		case KUidMdaRawAudioS8PcmCodecDefine:	 //  P8
+			dataType = KMMFFourCCCodePCM8;
+			break;
+		case KUidMdaRawAudioU8PcmCodecDefine:	  // PU8
+			dataType = KMMFFourCCCodePCMU8;
+			break;
+		case KUidMdaRawAudioSL16PcmCodecDefine: // P16
+			dataType = KMMFFourCCCodePCM16;
+			break;
+		case KUidMdaRawAudioSB16PcmCodecDefine: //P16B
+			dataType = KMMFFourCCCodePCM16B;
+			break;
+		case KUidMdaRawAudioUL16PcmCodecDefine: //PU16
+			dataType = KMMFFourCCCodePCMU16;
+			break;
+		case KUidMdaRawAudioUB16PcmCodecDefine: //PU6B
+			dataType = KMMFFourCCCodePCMU16B;
+			break;
+		case KUidMdaGsmWavCodecDefine: //GSM6
+			dataType = KMMFFourCCCodeGSM610;
+			break;
+		case KUidMdaWavImaAdpcmCodecDefine:
+			dataType = KMMFFourCCCodeIMAD;
+			break;
+		case KUidMdaRawAmrCodecDefine:
+			dataType = KMMFFourCCCodeAMR;
+			break;
+		default:	// Not a Uid we recognise
+			dataType = KMMFFourCCCodeNULL;
+			break;
+		}
+	return dataType;
+	}
+
+
+CMMFUtilityFileInfo* CMMFUtilityFileInfo::NewL(TMMSource& aSource)
+	{
+	CMMFUtilityFileInfo* self = CMMFUtilityFileInfo::NewLC(aSource);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+
+CMMFUtilityFileInfo* CMMFUtilityFileInfo::NewLC(TMMSource& aSource)
+	{
+	CMMFUtilityFileInfo* self = new (ELeave) CMMFUtilityFileInfo;
+	CleanupStack::PushL(self);
+	self->ConstructL(aSource);
+	return self;
+	}
+
+
+void CMMFUtilityFileInfo::ConstructL(const TMMSource& aSource)
+	{
+	if (aSource.SourceType()==KUidMMFileSource)
+		{
+		const TMMFileSource& fileSource = static_cast<const TMMFileSource&>(aSource);
+		iData = CData::NewL(TVirtualPathPtr(fileSource.Name(), fileSource.UniqueId()),
+							EContentShareReadWrite/*EContentShareReadOnly*/);
+		}
+
+	if (aSource.SourceType()==KUidMMFileHandleSource)
+		{
+		const TMMFileHandleSource& fileHandleSource = static_cast<const TMMFileHandleSource&>(aSource);
+		iData = CData::NewL(fileHandleSource.Handle(), fileHandleSource.UniqueId());
+		}
+
+	TInt err = iData->SetProperty(EAgentPropertyAgentUI, aSource.IsUIEnabled());
+
+	if (err != KErrNone && err != KErrCANotSupported)
+		{
+		// KErrCANotSupported isn't a problem for us so eat the error code.
+		User::Leave(err);
+		}
+
+	err = iData->EvaluateIntent(aSource.Intent());
+	User::LeaveIfError(err);
+	}
+
+TInt CMMFUtilityFileInfo::EvaluateIntent(TIntent aIntent)
+	{
+	return iData->EvaluateIntent(aIntent);
+	}
+/**
+ * @internalComponent
+ */
+TBool CMMFUtilityFileInfo::GetFileMimeTypeL(TDes8& aMimeType)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFUtilityFileInfo::GetFileMimeTypeL\n"));
+    #endif
+	return iData->GetMimeTypeL(aMimeType);
+	}
+
+/**
+ * @internalComponent
+ */
+void CMMFUtilityFileInfo::GetFileHeaderDataL(TDes8& aHeaderData, TInt aMaxLength)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFUtilityFileInfo::GetFileHeaderDataL\n"));
+    #endif
+	TInt size = 0;
+	iData->DataSizeL(size);
+	if (size > 0)
+		{
+		if (size > aMaxLength)
+			size = aMaxLength;
+		TInt pos = 0;
+		User::LeaveIfError(iData->Seek(ESeekStart, pos));
+		User::LeaveIfError(iData->Read(aHeaderData, size));
+		}
+	}
+
+/**
+ * @internalComponent
+ */
+ HBufC8* CMMFClientUtility::GetFileExtensionL(const TDesC& aFileName)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFClientUtility::GetFileExtensionL\n"));
+    #endif
+	TParse fileName;
+	fileName.Set(aFileName,NULL,NULL);
+	HBufC8* fileSuffix = NULL;
+	if(fileName.ExtPresent())
+		{
+		TPtrC fileSuffixPtr(fileName.Ext());
+		fileSuffix = HBufC8::NewL(fileSuffixPtr.Length());
+		fileSuffix->Des().Copy(fileSuffixPtr);
+		}
+	else
+		{
+		fileSuffix = KNullDesC8().AllocL();
+		}
+	return fileSuffix;
+	}
+
+
+/**
+ * @internalComponent
+ */
+CMMFUtilityFileInfo::~CMMFUtilityFileInfo()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFClientUtility::~CMMFUtilityFileInfo\n"));
+    #endif
+	delete iData;
+	}
+
+/*
+ * @internalComponent
+ *
+ * Returns an integer rating indicating how well the supplied format matches
+ * the header data and file extension supplied.
+ * 3 brownie points awarded for data & suffix match.
+ * 2 brownie points awarded for data match alone.
+ * 1 brownie point awarded for suffix match alone.
+ */
+TInt CMMFClientUtility::GetBestMatchL(const CMMFFormatImplementationInformation* format, const TDesC8& aHeaderData, const TDesC8& aFileExtension)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFClientUtility::GetBestMatchL\n"));
+    #endif
+	TInt browniePoints = 0;
+
+	if (aHeaderData.Length() > 0) // Non empty file
+		{
+		if (aFileExtension.Length() > 0) // With a file extension
+			{
+			if (format->SupportsHeaderDataL(aHeaderData) &&
+				format->SupportsFileExtension(aFileExtension))
+				{
+				browniePoints = 3;
+				}
+			else if (format->SupportsHeaderDataL(aHeaderData))
+				{
+				browniePoints = 2;
+				}
+			else
+				{
+				// See if this format has any 'empty' match data or no match data, indicating
+				// that this format will match extension alone even if data present.
+				// (A format may have more than one match data string.)
+				const CDesC8Array& supportedHeaderData = format->SupportedHeaderData();
+
+				if (supportedHeaderData.Count() == 0)
+					{
+					// No header data indicated.
+					if (format->SupportsFileExtension(aFileExtension))
+						{
+							browniePoints = 1;
+						}
+					}
+				else
+					{
+					for (register TInt i = 0; i < supportedHeaderData.Count(); i++)
+						{
+						if ((supportedHeaderData[i].Length() == 0) &&
+							format->SupportsFileExtension(aFileExtension))
+							{
+							browniePoints = 1;
+							}
+						}
+					}
+				}
+			}
+		else
+			{
+			// No file suffix, so must match header data alone.
+			if (format->SupportsHeaderDataL(aHeaderData))
+				{
+				browniePoints = 2;
+				}
+			}
+		}
+	else // Empty File
+		{
+		// We have no choice but to match extension, if there is one.
+		if ((aFileExtension.Length() > 0) && format->SupportsFileExtension(aFileExtension))
+			{
+			browniePoints = 1;
+			}
+		}
+
+	return browniePoints;
+}
+
+/**
+ * @internalComponent
+ *
+ * This function parses all the play & record formats in the given list of controllers,
+ * looking for controllers & formats that best match the requirements.
+ * Play controllers will be returned before record controllers, and
+ * in cases of equal priority between formats, ECom order will be maintained.
+ *
+ * @param	"aControllers"
+ *			A reference to a user supplied list of controllers retrieved from ECom.
+ *			This list may be have been filtered for audio/video/play/record.
+ * @param	"aHeaderDataPlayback"
+ *			A descriptor reference containing the file's header data.
+ *          for matching against a controller's play formats. May be KNullDesC8
+ * @param	"aFileExtensionPlayback"
+ *			A descriptor reference containing the filename's extension.
+ *          for matching against a controller's play formats. May be KNullDesC8
+ * @param	"aHeaderDataRecord"
+ *			A descriptor reference containing the file's header data.
+ *          for matching against a controller's record formats. May be KNullDesC8
+ * @param	"aFileExtensionRecord"
+ *			A descriptor reference containing the filename's extension.
+ *          for matching against a controller's record formats. May be KNullDesC8
+ * @param	"aPrioritisedControllers"
+ *			A reference to a user supplied list through which the list of
+ *			prioritised controllers will be returned.
+ * @since	7.0s
+ * @lib	"MediaClientUtility.lib"
+ */
+void CMMFClientUtility::PrioritiseControllersL(
+	const RMMFControllerImplInfoArray& aControllers,
+	const TDesC8& aHeaderDataPlayback,
+	const TDesC8& aFileExtensionPlayback,
+	const TDesC8& aHeaderDataRecord,
+	const TDesC8& aFileExtensionRecord,
+	RMMFControllerImplInfoArray& prioritisedControllers)
+	{
+	RMMFControllerImplInfoArray fullMatchControllers; // data AND suffix
+	CleanupClosePushL(fullMatchControllers);
+	RMMFControllerImplInfoArray partMatchControllers; // data OR suffix
+	CleanupClosePushL(partMatchControllers);
+
+	TBool checkingPlaybackFormats = EFalse;
+	TBool checkingRecordFormats = EFalse;
+
+	if (aHeaderDataPlayback != KNullDesC8 || aFileExtensionPlayback != KNullDesC8)
+		checkingPlaybackFormats = ETrue;
+	if (aHeaderDataRecord != KNullDesC8 || aFileExtensionRecord != KNullDesC8)
+		checkingRecordFormats = ETrue;
+
+	// Examine each format for each controller. We only want to know at this stage
+	// if the controller has suitable formats, so as soon as we know it has, we can
+	// add it to out list, ranked by how well it matched.
+	for (register TInt i = 0; i < aControllers.Count(); i++)
+		{
+		const CMMFControllerImplementationInformation* controller = aControllers[i];
+		TInt savedBrowniePointsPlayback = 0;
+		TInt savedBrowniePointsRecord = 0;
+
+		if (checkingPlaybackFormats)
+			{
+			for (register TInt p = 0; p < controller->PlayFormats().Count(); p++)
+				{
+				const CMMFFormatImplementationInformation* format = controller->PlayFormats()[p];
+
+				TInt browniePoints = GetBestMatchL(format, aHeaderDataPlayback, aFileExtensionPlayback);
+
+				if (browniePoints >= savedBrowniePointsPlayback)
+					savedBrowniePointsPlayback = browniePoints;
+				}
+			}
+
+		if (checkingRecordFormats)
+			{
+			for (register TInt r = 0; r < controller->RecordFormats().Count(); r++)
+				{
+				const CMMFFormatImplementationInformation* format = controller->RecordFormats()[r];
+
+				TInt browniePoints = GetBestMatchL(format, aHeaderDataRecord, aFileExtensionRecord);
+
+				if (browniePoints >= savedBrowniePointsRecord)
+					savedBrowniePointsRecord = browniePoints;
+				}
+			}
+
+		TInt savedBrowniePoints = 0;
+		// if we're checking both playback & record formats
+		// make sure we've found both
+		if (checkingPlaybackFormats && checkingRecordFormats)
+			{
+			savedBrowniePoints = Min(savedBrowniePointsPlayback, savedBrowniePointsRecord);
+			}
+		else if (checkingPlaybackFormats)
+			{
+			savedBrowniePoints = savedBrowniePointsPlayback;
+			}
+		else if (checkingRecordFormats)
+			{
+			savedBrowniePoints = savedBrowniePointsRecord;
+			}
+
+		// Checked all formats for this controller, now count our brownie points.
+		switch (savedBrowniePoints)
+			{
+			case 3:
+				User::LeaveIfError(fullMatchControllers.Append(controller));
+				break;
+			case 2:
+				User::LeaveIfError(partMatchControllers.Insert(controller, 0));
+				break;
+			case 1:
+				User::LeaveIfError(partMatchControllers.Append(controller));
+				break;
+			default:
+				break;
+			}
+		}
+
+	// The better the controller matches, the earlier it will be in the final list.
+	for (register TInt x = 0; x < fullMatchControllers.Count(); x++)
+		{
+		if (prioritisedControllers.Find(fullMatchControllers[x]) == KErrNotFound)
+			{
+			User::LeaveIfError(prioritisedControllers.Append(fullMatchControllers[x]));
+			}
+		}
+
+	for (register TInt y = 0; y < partMatchControllers.Count(); y++)
+		{
+		if (prioritisedControllers.Find(partMatchControllers[y]) == KErrNotFound)
+			{
+			User::LeaveIfError(prioritisedControllers.Append(partMatchControllers[y]));
+			}
+		}
+
+	CleanupStack::PopAndDestroy(2, &fullMatchControllers); // fullMatchControllers, partMatchControllers
+	}
+
+/**
+ * @internalComponent
+ */
+ CMMFMdaObjectStateChangeObserverCallback* CMMFMdaObjectStateChangeObserverCallback::NewL(MMdaObjectStateChangeObserver& aCallback)
+	{
+	return new(ELeave) CMMFMdaObjectStateChangeObserverCallback(aCallback);
+	}
+
+/**
+ * @internalComponent
+ */
+CMMFMdaObjectStateChangeObserverCallback::~CMMFMdaObjectStateChangeObserverCallback()
+	{
+	Cancel();
+	}
+
+/**
+ * @internalComponent
+ */
+ void CMMFMdaObjectStateChangeObserverCallback::CallBack(CBase* aObject, TInt aPreviousState, TInt aCurrentState, TInt aErrorCode)
+	{
+	iObject = aObject;
+	iPreviousState = aPreviousState;
+	iCurrentState = aCurrentState;
+	iErrorCode = aErrorCode;
+	if (!IsActive())
+		{
+		TRequestStatus* s = &iStatus;
+		SetActive();
+		User::RequestComplete(s, KErrNone);
+		}
+	}
+
+CMMFMdaObjectStateChangeObserverCallback::CMMFMdaObjectStateChangeObserverCallback(MMdaObjectStateChangeObserver& aCallback) :
+	CActive(CActive::EPriorityHigh),
+	iCallback(aCallback)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFMdaObjectStateChangeObserverCallback::CMMFMdaObjectStateChangeObserverCallback\n"));
+    #endif
+	CActiveScheduler::Add(this);
+	}
+
+void CMMFMdaObjectStateChangeObserverCallback::RunL()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFMdaObjectStateChangeObserverCallback::RunL\n"));
+    #endif
+	iCallback.MoscoStateChangeEvent(iObject, iPreviousState, iCurrentState, iErrorCode);
+	}
+
+void CMMFMdaObjectStateChangeObserverCallback::DoCancel()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFMdaObjectStateChangeObserverCallback::DoCancel\n"));
+    #endif
+	//nothing to cancel
+	}
+
+
+//****************************************
+// CMMFFindAndOpenController
+//****************************************
+
+/**
+ * Factory function to create a CMMFFindAndOpenController class
+ *
+ * @internalComponent
+ */
+ CMMFFindAndOpenController* CMMFFindAndOpenController::NewL(MMMFFindAndOpenControllerObserver& aObserver)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::NewL\n"));
+    #endif
+	CMMFFindAndOpenController* self = new(ELeave) CMMFFindAndOpenController(aObserver);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CMMFFindAndOpenController::~CMMFFindAndOpenController()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::~CMMFFindAndOpenController\n"));
+    #endif
+	Cancel();
+
+	// delete temporary variables
+	Close();
+
+	// this should cancel the AO
+	delete iAddDataSourceSinkAsync;
+
+	delete iPrimaryConfig;
+	delete iSecondaryConfig;
+	}
+
+/**
+ * Function to free up memory after a successful open has completed
+ * Useful to allow a alloc testing to work.
+ * Must not be called if ReOpen() is to be called
+ *
+ * @internalComponent
+ */
+ void CMMFFindAndOpenController::Close()
+	{
+
+	Cancel();
+
+	if(iAddDataSourceSinkAsync)
+		{
+		iAddDataSourceSinkAsync->Cancel();
+		}
+
+	if (iPrimaryConfig)
+		iPrimaryConfig->Close();
+	if (iSecondaryConfig)
+		iSecondaryConfig->Close();
+
+	iPrioritisedControllers.Close();
+	iControllers.ResetAndDestroy();
+	iControllers.Close();
+
+	iFileName.SetLength(0);
+	iFileNameSecondary.SetLength(0);
+
+	delete iUrl;
+	iUrl = NULL;
+
+	delete iMimeType;
+	iMimeType = NULL;
+
+	delete iUniqueId;
+	iUniqueId = NULL;
+
+	iFileHandle.Close();
+	iUseFileHandle = EFalse;
+	}
+
+CMMFFindAndOpenController::CMMFFindAndOpenController(MMMFFindAndOpenControllerObserver& aObserver) :
+	CActive(EPriorityStandard),
+	iObserver(aObserver),
+	iDescriptor(NULL, 0)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::CMMFFindAndOpenController\n"));
+    #endif
+	CActiveScheduler::Add(this);
+	}
+
+void CMMFFindAndOpenController::ConstructL()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::ConstructL\n"));
+    #endif
+	iAddDataSourceSinkAsync = CMMFAddDataSourceSinkAsync::NewL(*this);
+	iPrimaryConfig = new (ELeave)  CConfig();
+	iSecondaryConfig =  new (ELeave) CConfig;
+	iCurrentConfig =  iPrimaryConfig;
+	}
+
+void CMMFFindAndOpenController::RunL()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::RunL\n"));
+    #endif
+	Process();
+	}
+
+void CMMFFindAndOpenController::DoCancel()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::DoCancel\n"));
+    #endif
+	iAddDataSourceSinkAsync->Cancel();
+	}
+
+/**
+ * Defines the media ID & priority to be used when opening a controller
+ * Normally called once only after class has been constructed
+ *
+ * @param	aMediaId
+ *			the media ID to use when searching for a controller
+ *			e.g. KUidMediaTypeAudio
+ * @param	aPrioritySettings
+ *			the priority settings to use when opening a controller
+ * @param	aMediaIdMatchType
+ *			Defines the type of media id match to be performed on the plugins
+ *			returned from the ECOM registry.
+ * @leave	can leave with KErrNoMemory
+
+ * @internalComponent
+ */
+ void CMMFFindAndOpenController::Configure(
+	TUid aMediaId,
+	TMMFPrioritySettings aPrioritySettings,
+	CMMFPluginSelectionParameters::TMediaIdMatchType aMediaIdMatchType)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::Configure\n"));
+    #endif
+	iPrioritySettings = aPrioritySettings;
+
+	iMediaIdMatchType = aMediaIdMatchType;
+
+	iMediaId = aMediaId;
+	}
+
+void CMMFFindAndOpenController::ConfigureController(
+	CConfig& config,
+	RMMFController& aController,
+	CMMFControllerEventMonitor& aEventMonitor,
+	TControllerMode aControllerMode)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::ConfigureController\n"));
+    #endif
+	config.iController = &aController;
+	config.iEventMonitor = &aEventMonitor;
+	config.iControllerMode = aControllerMode;
+	}
+
+/**
+ * Configures the primary controller
+ *
+ * @param	aController
+ *			a reference to the client controller object to use
+ * @param	aEventMonitor
+ *			a reference to an event monitor object for receiving
+ *			events from the controller
+ * @param	aControllerMode
+ *			indicates whether this controller is to be used for recording
+ *          or playback
+ *
+ * @internalComponent
+ */
+ void CMMFFindAndOpenController::ConfigureController(
+	RMMFController& aController,
+	CMMFControllerEventMonitor& aEventMonitor,
+	TControllerMode aControllerMode)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::ConfigureController2\n"));
+    #endif
+	ConfigureController(
+		*iPrimaryConfig,
+		aController,
+		aEventMonitor,
+		aControllerMode);
+	}
+
+/**
+ * Configures the secondary controller
+ *
+ * This is only needed for the audio recorder utility which opens
+ * one controller for playback and another for recording
+ *
+ * @param	aController
+ *			a reference to the client controller object to use
+ * @param	aEventMonitor
+ *			a reference to an event monitor object for receiving
+ *			events from the controller
+ * @param	aControllerMode
+ *			indicates whether this controller is to be used for recording
+ *          or playback or converting
+ *
+ * @internalComponent
+ */
+ void CMMFFindAndOpenController::ConfigureSecondaryController(
+	RMMFController& aController,
+	CMMFControllerEventMonitor& aEventMonitor,
+	TControllerMode aControllerMode)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::ConfigureSecondaryController\n"));
+    #endif
+	ConfigureController(
+		*iSecondaryConfig,
+		aController,
+		aEventMonitor,
+		aControllerMode);
+	}
+
+void CMMFFindAndOpenController::Init()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::Init\n"));
+    #endif
+	// This should be called prior to opening, so reset the error
+	iError = KErrNone;
+	iSourceSinkConfigured = EFalse;
+	iControllerCount = 0;
+	}
+
+void CMMFFindAndOpenController::ConfigureSourceSink(
+	CConfig& config,
+	TSourceSink aSource,
+	TSourceSink aSink)
+	{
+	TInt err;
+	TRAP(err, config.iSource = CreateSourceSinkL(aSource));
+	if (err != KErrNone)
+		{
+		iError = err;
+		return;
+		}
+
+	TRAP(err, config.iSink = CreateSourceSinkL(aSink));
+	if (err != KErrNone)
+		{
+		iError = err;
+		return;
+		}
+	}
+
+
+void CMMFFindAndOpenController::ConfigureSourceSink(
+	CConfig& config,
+	const TMMSource& aSource,
+	TSourceSink aSink)
+	{
+	TInt err;
+	TRAP(err, config.iSource = CreateSourceSinkL(aSource));
+	if (err != KErrNone)
+		{
+		iError = err;
+		return;
+		}
+
+	TRAP(err, config.iSink = CreateSourceSinkL(aSink));
+	if (err != KErrNone)
+		{
+		iError = err;
+		return;
+		}
+	}
+
+
+
+/**
+ * Configure the primary controller's source and sink
+ * The descriptors passed to this function are copied so they do not need to be persistent.
+ * To simplify the API, any errors that occur are reported back asynchronously following
+ * a subsequent call to OpenByXXX()
+ *
+ * @param	aSourceUid
+ *			the UID of the data source
+ * @param	aSourceData
+ *			a reference to a descriptor used to configure the source
+ * @param	aSinkUid
+ *			the UID of the data sink
+ * @param	aSinkData
+ *			a reference to a descriptor used to configure the sink
+ *
+ * @internalComponent
+ */
+ void CMMFFindAndOpenController::ConfigureSourceSink(
+	TSourceSink aSource,
+	TSourceSink aSink)
+	{
+
+	CConfig* config = NULL;
+
+	Init();
+	config = iPrimaryConfig;
+
+
+	// must have already called ConfigureController()
+	__ASSERT_ALWAYS(config->iController != NULL, CUPanic(EMMFMediaClientUtilityBadState));
+
+	ConfigureSourceSink(
+		*config,
+		aSource,
+		aSink);
+	iCurrentConfig = config;
+
+	iSourceSinkConfigured = ETrue;
+	}
+
+
+/**
+ * Configure the primary controller's source and sink
+ * The descriptors passed to this function are copied so they do not need to be persistent.
+ * To simplify the API, any errors that occur are reported back asynchronously following
+ * a subsequent call to OpenByXXX()
+ *
+ * @param	aSourceUid
+ *			the UID of the data source
+ * @param	aSourceData
+ *			a reference to a descriptor used to configure the source
+ * @param	aSinkUid
+ *			the UID of the data sink
+ * @param	aSinkData
+ *			a reference to a descriptor used to configure the sink
+ *
+ * @internalComponent
+ */
+ void CMMFFindAndOpenController::ConfigureSecondarySourceSink(
+	TSourceSink aSource,
+	TSourceSink aSink)
+	{
+	if (iError != KErrNone)
+		{
+		// if there was an error configuring the primary source/sink, do not try the secondary one
+		// Don't return the error, since the stored error will be returned by the OpenBy... method
+		return;
+		}
+
+	CConfig* config = NULL;
+
+	config = iSecondaryConfig;
+
+	// must have already configured the primary controller
+	__ASSERT_ALWAYS(iSourceSinkConfigured, CUPanic(EMMFMediaClientUtilityBadState));
+	config = iSecondaryConfig;
+
+	// must have already called ConfigureController()
+	__ASSERT_ALWAYS(config->iController != NULL, CUPanic(EMMFMediaClientUtilityBadState));
+
+	ConfigureSourceSink(
+		*config,
+		aSource,
+		aSink);
+	iCurrentConfig = config;
+
+	iSourceSinkConfigured = ETrue;
+	}
+
+
+
+
+ void CMMFFindAndOpenController::ConfigureSourceSink(
+	const TMMSource& aSource,
+	TSourceSink aSink)
+	{
+	Init();
+	CConfig* config = iPrimaryConfig;
+
+	// must have already called ConfigureController()
+	__ASSERT_ALWAYS(config->iController != NULL, CUPanic(EMMFMediaClientUtilityBadState));
+
+	ConfigureSourceSink(
+		*config,
+		aSource,
+		aSink);
+	iCurrentConfig = config;
+
+	iSourceSinkConfigured = ETrue;
+	}
+
+
+
+
+/**
+ * Opens a controller using the supplied controller UID
+ * and adds the source & sink
+ * Completion is indicated asynchonously by a call to MfaocComplete()
+ *
+ * @param	aControllerUid
+ *			the UID of the primary controller
+ * @param	aControllerUid
+ *			the UID of the secondary controller
+ *
+ * @internalComponent
+ */
+ void CMMFFindAndOpenController::OpenByControllerUid(
+		TUid aControllerUid,
+		TUid aSecondaryControllerUid)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::OpenByControllerUid\n"));
+    #endif
+	// must have already called ConfigureSourceSink()
+	__ASSERT_ALWAYS(iSourceSinkConfigured, CUPanic(EMMFMediaClientUtilityBadState));
+
+	// Have there been any errors so far ?
+	if (iError != KErrNone)
+		{
+	    SchedSendError();
+		return;
+		}
+
+	if (iCurrentConfig == iPrimaryConfig)
+		{
+		// only do this for the playback controller
+		TRAP(iError, iCurrentConfig->iSource->EvaluateIntentL())
+
+		if (iError != KErrNone)
+			{
+	    	SchedSendError();
+			return;
+			}
+		}
+
+	iPrimaryConfig->iControllerUid = aControllerUid;
+	if (iCurrentConfig == iSecondaryConfig)
+		{
+		if (aSecondaryControllerUid == KNullUid)
+			iSecondaryConfig->iControllerUid = aControllerUid;
+		else
+			iSecondaryConfig->iControllerUid = aSecondaryControllerUid;
+		}
+
+	iMode = EOpenByControllerUid;
+	iControllerImplInfo = NULL;
+	iState = EOpenController;
+	KickState();
+	}
+
+/**
+ * Opens a controller using the supplied file name
+ * and adds the source & sink
+ * A copy is made of the filename or file handle so that it need not be persistent
+ * Completion is indicated asynchonously by a call to MfaocComplete()
+ *
+ * @param	aSource
+ *			a reference to a TFileSource object to be used when searching
+ *          for a controller
+ * @param	aFileNameSecondary
+ *			a reference to the seconday filename to be used when searching
+ *          for a controller. This need only be supplied when converting
+ *			between two files.
+ *
+ * @internalComponent
+ */
+ void CMMFFindAndOpenController::OpenByFileSource(const TMMSource& aSource, const TDesC& aFileNameSecondary)
+	{
+	// must have already called ConfigureSourceSink()
+	__ASSERT_ALWAYS(iSourceSinkConfigured, CUPanic(EMMFMediaClientUtilityBadState));
+
+	TInt err;
+	// Have there been any errors so far ?
+	if (iError != KErrNone)
+		{
+		SchedSendError();
+		return;
+		}
+
+	if (aSource.SourceType()==KUidMMFileSource)
+		{
+		const TMMFileSource& fileSource = static_cast<const TMMFileSource&>(aSource);
+		iFileName = fileSource.Name();
+		}
+
+	if (aSource.SourceType()==KUidMMFileHandleSource)
+		{
+		const TMMFileHandleSource& fileHandleSource = static_cast<const TMMFileHandleSource&>(aSource);
+		err = iFileHandle.Duplicate(fileHandleSource.Handle());
+
+
+		if (err != KErrNone)
+			{
+			SchedSendError(err);
+			return;
+			}
+
+		iFileHandle.Name(iFileName); //ignore error return since we'll just do without the filename if not available
+
+
+		iUseFileHandle = ETrue;
+		}
+
+	TRAP(err, iUniqueId = aSource.UniqueId().AllocL());
+	iIntent = aSource.Intent();
+	if (err != KErrNone)
+		{
+		SchedSendError(err);
+		return;
+		}
+
+
+	// take a copy of the secondary file name
+	iFileNameSecondary = aFileNameSecondary;
+
+	iMode = EOpenByFileName;
+	iState = EBuildControllerList;
+	KickState();
+	}
+
+/**
+ * Opens a controller using the supplied format UID
+ * and adds the source & sink
+ * Completion is indicated asynchonously by a call to MfaocComplete()
+ *
+ * @param	aFormatUid
+ *			the UID of a format that must be supported by the controller
+ * @param	aFormatUidSecondary
+ *			the UID of a secondary format that must be supported by the controller
+ *			This need only be supplied when converting between two differnet formats.
+ *
+ * @internalComponent
+ */
+ void CMMFFindAndOpenController::OpenByFormatUid(TUid aFormatUid, TUid aFormatUidSecondary)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::OpenByFormatUid\n"));
+    #endif
+	// must have already called ConfigureSourceSink()
+	__ASSERT_ALWAYS(iSourceSinkConfigured, CUPanic(EMMFMediaClientUtilityBadState));
+
+	// Have there been any errors so far ?
+	if (iError != KErrNone)
+		{
+		SchedSendError();
+		return;
+		}
+
+	iFormatUid = aFormatUid;
+	iFormatUidSecondary = aFormatUidSecondary;
+
+	iMode = EOpenByFormatUid;
+	iState = EBuildControllerList;
+	KickState();
+	}
+
+/**
+ * Opens a controller using the supplied descriptor
+ * and adds the source & sink
+ * Completion is indicated asynchonously by a call to MfaocComplete()
+ *
+ * @param	aDescriptor
+ *			a reference to the descriptor to be used when searching
+ *          for a controller
+ *
+ * @internalComponent
+ */
+ void  CMMFFindAndOpenController::OpenByDescriptor(const TDesC8& aDescriptor)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::OpenByDescriptor\n"));
+    #endif
+	// must have already called ConfigureSourceSink()
+	__ASSERT_ALWAYS(iSourceSinkConfigured, CUPanic(EMMFMediaClientUtilityBadState));
+
+	// Have there been any errors so far ?
+	if (iError != KErrNone)
+		{
+		SchedSendError();
+		return;
+		}
+
+	// take a copy of the descriptor
+	TUint8* desBufferPtr = const_cast<TUint8*> (aDescriptor.Ptr());
+	iDescriptor.Set( desBufferPtr,aDescriptor.Length(),aDescriptor.Length());
+
+	iMode = EOpenByDescriptor;
+	iState = EBuildControllerList;
+	KickState();
+	}
+
+/**
+ * Opens a controller using the supplied URL
+ * and adds the source & sink
+ * Completion is indicated asynchonously by a call to MfaocComplete()
+ *
+ * @param	aUrl
+ *			a reference to the URL to be used when searching for a controller
+ * @param	aIapId
+ *          the IAP ID to be used when searching for a controller
+ * @param	aMimeType
+ *          the MIME type of the data to be used when searching for a controller
+ *
+ * @internalComponent
+ */
+ void CMMFFindAndOpenController::OpenByUrl(const TDesC& aUrl, TInt aIapId, const TDesC8& aMimeType)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::OpenByUrl\n"));
+    #endif
+	// must have already called ConfigureSourceSink()
+	__ASSERT_ALWAYS(iSourceSinkConfigured, CUPanic(EMMFMediaClientUtilityBadState));
+
+	// Have there been any errors so far ?
+	if (iError != KErrNone)
+		{
+		SchedSendError();
+		return;
+		}
+
+	// take a copy of the Url
+	delete iUrl;
+	iUrl = NULL;
+	iUrl = aUrl.Alloc();
+	if (iUrl == NULL)
+		{
+		SchedSendError(KErrNoMemory);
+		return;
+		}
+
+	// take a copy of the IapId
+	iIapId = aIapId;
+
+	// take a copy of the mime type
+	delete iMimeType;
+	iMimeType = NULL;
+	iMimeType = aMimeType.Alloc();
+	if (iMimeType == NULL)
+		{
+		SchedSendError(KErrNoMemory);
+		return;
+		}
+
+	iMode = EOpenByUrl;
+	iState = EBuildControllerList;
+	KickState();
+	}
+
+/**
+ * Static function to return a TMMFFileConfig object
+ * suitable for passing to ConfigureSourceSink()
+ *
+ * @param	aFileName
+ *          the filename to use
+ *
+ * @internalComponent
+ */
+ TMMFFileConfig CMMFFindAndOpenController::GetConfigFile(const TDesC& aFileName)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::GetConfigFile\n"));
+    #endif
+	TMMFFileConfig sourceSinkData;
+	sourceSinkData().iPath = aFileName;
+	return sourceSinkData;
+	}
+
+/**
+ * Static function to return a TMMFDescriptorConfig object
+ * suitable for passing to ConfigureSourceSink()
+ *
+ * @param	aFileName
+ *          the filename to use
+ *
+ * @internalComponent
+ */
+ TMMFDescriptorConfig CMMFFindAndOpenController::GetConfigDescriptor(const TDesC8& aDescriptor)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::GetConfigDescriptor\n"));
+    #endif
+	TMMFDescriptorConfig sourceSinkData;
+	sourceSinkData().iDes = (TAny*)&aDescriptor;
+	sourceSinkData().iDesThreadId = RThread().Id();
+	return sourceSinkData;
+	}
+
+/**
+ * Static function to create a CBufFlat object
+ * suitable for passing to ConfigureSourceSink()
+ *
+ * @param	aUrlCfgBuffer
+ *          the reference to a caller-supplied pointer used to create
+ *			a CBufFlat object. The caller is responsible for deletion.
+ * @param	aUrl
+ *			a reference to the URL to be used
+ * @param	aIapId
+ *          the IAP ID to be used
+ * @return	can return KErrNone or KErrNoMemory
+ *
+ * @internalComponent
+ */
+ TInt CMMFFindAndOpenController::GetConfigUrl(CBufFlat*& aUrlCfgBuffer, const TDesC& aUrl, TInt aIapId)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::GetConfigDescriptor\n"));
+    #endif
+	TInt error;
+	delete aUrlCfgBuffer;
+	aUrlCfgBuffer = NULL;
+
+	CMMFUrlParams* urlCfg = NULL;
+	TRAP(error, urlCfg = CMMFUrlParams::NewL(aUrl,aIapId));
+	if (error != KErrNone)
+		return error;
+
+	TRAP(error,
+		aUrlCfgBuffer = urlCfg->ExternalizeToCBufFlatLC();
+		CleanupStack::Pop(aUrlCfgBuffer);
+		);
+
+	delete urlCfg;
+
+	return error;
+	}
+
+/**
+ * ReOpens the previously opened primary controller
+ *
+ * @internalComponent
+ */
+ void CMMFFindAndOpenController::ReOpen()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::ReOpen\n"));
+    #endif
+	// should already have a valid controller uid so just open it
+	iControllerImplInfo = NULL;
+	iState = EOpenController;
+	KickState();
+	}
+
+void CMMFFindAndOpenController::OpenPrimaryController(void)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::OpenPrimaryController\n"));
+    #endif
+	iCurrentConfig = iPrimaryConfig;
+	switch(iMode)
+		{
+		case EOpenByFileName:
+		case EOpenByFormatUid:
+		case EOpenByDescriptor:
+		case EOpenByUrl:
+			iState = EBuildControllerList;
+			break;
+		case EOpenByControllerUid:
+			iControllerImplInfo = NULL;
+			iState = EOpenController;
+			break;
+		}
+	KickState();
+	}
+
+void CMMFFindAndOpenController::KickState()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::KickState\n"));
+    #endif
+	TRequestStatus* status = &iStatus;
+	User::RequestComplete(status, KErrNone);
+	SetActive();
+	}
+
+void CMMFFindAndOpenController::CloseController()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::CloseController\n"));
+    #endif
+	if (iCurrentConfig->iEventMonitor)
+		iCurrentConfig->iEventMonitor->Cancel();
+	iCurrentConfig->iController->Close();
+	}
+
+void CMMFFindAndOpenController::Process()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::Process\n"));
+    #endif
+	switch(iState)
+		{
+		case EBuildControllerList:
+			switch(iMode)
+				{
+				case EOpenByFileName:
+					TRAP(iError, BuildControllerListFileNameL());
+					break;
+				case EOpenByDescriptor:
+					TRAP(iError, BuildControllerListDescriptorL());
+					break;
+				case EOpenByUrl:
+					TRAP(iError, BuildControllerListUrlL());
+					break;
+				case EOpenByFormatUid:
+					TRAP(iError, BuildControllerListFormatL());
+					break;
+				default:
+					CUPanic(EMMFMediaClientUtilityBadState);
+				}
+
+			if (iError != KErrNone)
+				{
+				iState = EIdle;
+				SendError();
+				break;
+				}
+
+			// try the first controller
+			iControllerIndex = -1;
+			TryNextController();
+			break;
+
+		case EOpenController:
+			// Make sure any existing controller is closed.
+			CloseController();
+
+			// Open the controller
+			if (iControllerImplInfo)
+				{
+				iError = iCurrentConfig->iController->Open(*iControllerImplInfo, iPrioritySettings);
+				}
+			else
+				{
+				iError = iCurrentConfig->iController->Open(iCurrentConfig->iControllerUid, iPrioritySettings);
+				}
+
+			if (iError)
+				{
+				TryNextController();
+				}
+			else
+				{
+
+				iCurrentConfig->iEventMonitor->Start();
+
+				if (iCurrentConfig == iSecondaryConfig)
+					{
+					iState = EAddSource;
+					KickState();
+					}
+				else
+					{
+					iState = EAddSink;
+					KickState();
+					}
+				}
+			break;
+
+		case EAddSource:
+			{
+			iState = EWaitingForSource;
+			const CMMSourceSink* source = iCurrentConfig->iSource;
+			iAddDataSourceSinkAsync->AddDataSource(*iCurrentConfig->iController,
+												   source->SourceSinkUid(),
+												   source->SourceSinkData());
+			}
+			break;
+
+		case EAddSink:
+			{
+			iState = EWaitingForSink;
+			const CMMSourceSink* sink = iCurrentConfig->iSink;
+			iAddDataSourceSinkAsync->AddDataSink(*iCurrentConfig->iController,
+												 sink->SourceSinkUid(),
+												 sink->SourceSinkData());
+			}
+			break;
+
+		case EWaitingForSource:
+			break;
+
+		case EWaitingForSink:
+			break;
+
+		case ESendError:
+			SendError();
+			iState = EIdle;
+			break;
+
+		case EIdle:
+		default:
+			break;
+		}
+	}
+
+void CMMFFindAndOpenController::TryNextController()
+	{
+
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::TryNextController\n"));
+    #endif
+	// If an error occurred close the controller.
+	if (iError != KErrNone)
+		CloseController();
+
+	// take the first available exit if we're out of memory
+	if (iError == KErrNoMemory)
+		{
+		SendError();
+		return;
+		}
+
+	if (iMode == EOpenByControllerUid || ++iControllerIndex >= iControllerCount)
+		{
+		SendError(KErrNotSupported);		// KErrNotSupported
+		return;
+		}
+
+	if (iMode == EOpenByFileName || iMode == EOpenByFormatUid)
+		{
+		iControllerImplInfo = iPrioritisedControllers[iControllerIndex];
+		}
+	else	//if (iMode == EOpenByDescriptor || iMode == EOpenByUrl)
+		{
+		iControllerImplInfo = iControllers[iControllerIndex];
+		}
+
+        // This Flag is defined so that if the Helix Controller Supports
+        // the playback of Local Media for WMA, then the ProgDL still
+        // goes through the Old WMA Controller( AdvancedAudioController)
+        // We are launching the Old WMA Controller using the UID.
+
+#ifdef __WINDOWS_MEDIA
+    HBufC8* mimeType = HBufC8::NewLC(KMaxMimeLength);
+    TPtr8 mimeTypePtr = mimeType->Des();
+    mimeTypePtr.Copy(KWMAMimeType());
+
+    TBool IsSupported = EFalse;
+    const RMMFFormatImplInfoArray& playFormatInfo = iControllerImplInfo->PlayFormats();
+
+	for (TInt p = 0; p < iControllerImplInfo->PlayFormats().Count(); p++)
+		{
+		const CMMFFormatImplementationInformation* format = iControllerImplInfo->PlayFormats()[p];
+        IsSupported = format->SupportsMimeType(*mimeType);
+        if(IsSupported)
+            break;
+        }
+
+    if(IsSupported)
+        {
+        iControllerImplInfo = NULL;
+        iCurrentConfig->iControllerUid = TUid::Uid(0x10207A9B);
+        }
+    else
+#endif
+        {
+    	iCurrentConfig->iControllerUid = iControllerImplInfo->Uid();
+        }
+
+#ifdef __WINDOWS_MEDIA
+	CleanupStack::PopAndDestroy(mimeType);
+#endif
+	iState = EOpenController;
+	KickState();
+	}
+
+void CMMFFindAndOpenController::MadssaoAddDataSourceSinkAsyncComplete(TInt aError, const TMMFMessageDestination& aHandle)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::MadssaoAddDataSourceSinkAsyncComplete\n"));
+    #endif
+	iError = aError;
+
+	// take the first available exit if we're out of memory
+	// or we've been cancelled
+	if (iError == KErrNoMemory || iError == KErrCancel)
+		{
+		SendError();
+		return;
+		}
+
+	// failed to add source or sink - try the next controller
+	if (aError != KErrNone)
+		{
+		TryNextController();
+		return;
+		}
+
+	if (iState == EWaitingForSource)
+		{
+		iSourceHandle = aHandle;
+		if (iCurrentConfig == iSecondaryConfig)
+			{
+			iState = EAddSink;
+			}
+		else	// completed ok !
+			{
+			iState = EIdle;
+			iError = KErrNone;
+			SendError();
+			return;
+			}
+		}
+	else if (iState == EWaitingForSink)
+		{
+		iSinkHandle = aHandle;
+		if (iCurrentConfig == iSecondaryConfig)	// completed ok !
+			{
+			iState = EIdle;
+			iError = KErrNone;
+			SendError();
+			return;
+			}
+		else
+			{
+			iState = EAddSource;
+			}
+		}
+
+	KickState();
+	}
+
+void CMMFFindAndOpenController::SendError(TInt aError)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::SendError err= %d\n"),aError);
+    #endif
+	if (iError == KErrNone)
+		iError = aError;
+
+	iObserver.MfaocComplete(iError, iCurrentConfig->iController, iCurrentConfig->iControllerUid, &iSourceHandle, &iSinkHandle);
+
+	// if we've just attempted to open the Secondary controller,
+	// try to open the Primary controller
+	if (iCurrentConfig == iSecondaryConfig)
+		{
+		if (iError == KErrNone)
+			OpenPrimaryController();
+		}
+
+	// if we failed to open, may as well free up some memory
+	// if open succeeded we need to preserve state in case of a re-open
+	if (iError != KErrNone)
+		Close();
+	}
+
+void CMMFFindAndOpenController::SchedSendError(TInt aError)
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::SchedSendError\n"));
+    #endif
+	if (aError != KErrNone)
+		iError = aError;
+	iState = ESendError;
+	KickState();
+	}
+
+void CMMFFindAndOpenController::BuildControllerListFileNameL()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::BuildControllerListFileNameL\n"));
+    #endif
+	// Retrieve a list of possible controllers from ECOM
+	// If we don't have a match, leave with unsupported
+
+	iControllers.ResetAndDestroy();
+	iPrioritisedControllers.Reset();
+
+	TControllerMode mode = iCurrentConfig->iControllerMode;
+
+	// if we're playing, try to get the MIME type from the Content Access
+	// Framework (CAF) & use that to select a controller - if that fails,
+	// try to select a controller based on the header data/file extension
+
+	CMMFUtilityFileInfo* fileInfo = NULL;
+
+	TInt error;
+
+	//If the current CMMSourceSink is a CMMFileSourceSink
+	// Using the previous version we'd get KErrCANoPermission when calling EvaluateIntent in the
+	// CMMFUtilityFileInfo ConstructL as the intent == EUnknown, so now pass the intent as a parameter
+	// to TMMFileHandleSource and....
+	if (iUseFileHandle)
+		{
+		if (iUniqueId != NULL)
+			{
+			TMMFileHandleSource fileHandleSource(iFileHandle, (*iUniqueId), iIntent);
+			TRAP(error, fileInfo = CMMFUtilityFileInfo::NewL(fileHandleSource));
+			}
+		else
+			{
+			TMMFileHandleSource fileHandleSource(iFileHandle);
+			TRAP(error, fileInfo = CMMFUtilityFileInfo::NewL(fileHandleSource));
+			}
+		}
+	else
+		{
+		if (iUniqueId != NULL)
+			{
+			TMMFileSource fileSource(iFileName, (*iUniqueId), iIntent);
+			TRAP(error, fileInfo = CMMFUtilityFileInfo::NewL(fileSource));
+			}
+		else
+			{
+			TMMFileSource fileSource(iFileName);
+			TRAP(error, fileInfo = CMMFUtilityFileInfo::NewL(fileSource));
+			}
+		}
+
+	if (fileInfo != NULL)
+		{
+		CleanupDeletePushL(fileInfo);
+		}
+
+	if (error != KErrNone)
+		{
+		// if playback mode, leave for any error
+		// if record mode, allow KErrNotFound
+		if (mode == EPlayback || (mode != EPlayback && error != KErrNotFound))
+			{
+			User::Leave(error);
+			}
+		}
+
+	CMMFControllerPluginSelectionParameters* cSelect = CMMFControllerPluginSelectionParameters::NewLC();
+	RArray<TUid> mediaIds;
+	CleanupClosePushL(mediaIds);
+	User::LeaveIfError(mediaIds.Append(iMediaId));
+
+	cSelect->SetMediaIdsL(mediaIds, iMediaIdMatchType);
+
+
+	if (mode == EPlayback)
+		{
+		ASSERT(fileInfo!=NULL);
+		TBuf8<KMaxMimeLength> mimeType;
+		TBool mimeTypeKnown = fileInfo->GetFileMimeTypeL(mimeType);
+		if (mimeTypeKnown)
+			{
+			CMMFFormatSelectionParameters* fSelect = CMMFFormatSelectionParameters::NewLC();
+			fSelect->SetMatchToMimeTypeL(mimeType);
+			cSelect->SetRequiredPlayFormatSupportL(*fSelect);
+			cSelect->ListImplementationsL(iControllers);
+			CleanupStack::PopAndDestroy(fSelect);
+			}
+
+
+		// copy to the iPrioritisedControllers array - this is a NOOP if the
+		// MIME type is not known since iControllers will be empty
+		ASSERT(mimeTypeKnown || iControllers.Count() == 0);
+		for (TInt controllerIndex=0; controllerIndex < iControllers.Count(); controllerIndex++)
+			User::LeaveIfError(iPrioritisedControllers.Append(iControllers[controllerIndex]));
+
+		iControllerCount = iPrioritisedControllers.Count();
+		if (iControllerCount > 0)
+			{
+			// Clean up
+			// cSelect, mediaIds,
+			CleanupStack::PopAndDestroy(2, cSelect);
+			if (fileInfo != NULL)
+				{
+				CleanupStack::PopAndDestroy(fileInfo);
+				}
+			return;
+			}
+		}
+
+	// Retrieve header data first. If file doesn't exist, its ok.
+	HBufC8* headerData = HBufC8::NewLC(KMaxHeaderSize);
+	TPtr8 headerDataPtr = headerData->Des();
+	if (fileInfo)
+		{
+		fileInfo->GetFileHeaderDataL(headerDataPtr, KMaxHeaderSize);
+		}
+
+	// Get the filename's suffix
+	HBufC8* fileSuffix = CMMFClientUtility::GetFileExtensionL(iFileName);
+
+	CleanupStack::PushL(fileSuffix);
+	TPtr8 fileSuffixPtr = fileSuffix->Des();
+
+	// Get the secondary filename's header data (for convert)
+	HBufC8* headerDataSecondary = HBufC8::NewLC(KMaxHeaderSize);
+	TPtr8 headerDataPtrSecondary = headerDataSecondary->Des();
+	if (iFileNameSecondary.Length() > 0 && fileInfo)
+		{
+		fileInfo->GetFileHeaderDataL(headerDataPtrSecondary, KMaxHeaderSize);
+		}
+
+	// Get the secondary filename's suffix
+	HBufC8* fileSuffixSecondary = CMMFClientUtility::GetFileExtensionL(iFileNameSecondary);
+	CleanupStack::PushL(fileSuffixSecondary);
+	TPtr8 fileSuffixPtrSecondary = fileSuffixSecondary->Des();
+
+
+	CMMFFormatSelectionParameters* fSelect = CMMFFormatSelectionParameters::NewLC();
+
+	if (mode == EPlayback || mode == EConvert)
+		cSelect->SetRequiredPlayFormatSupportL(*fSelect);
+	if (mode == ERecord || mode == EConvert)
+		cSelect->SetRequiredRecordFormatSupportL(*fSelect);
+
+	cSelect->ListImplementationsL(iControllers);
+
+	if (iControllers.Count()==0)
+		User::Leave(KErrNotSupported);
+
+	if (mode == ERecord)
+		{
+		CMMFClientUtility::PrioritiseControllersL(
+			iControllers,
+			headerDataPtrSecondary,
+			fileSuffixPtrSecondary,
+			headerDataPtr,
+			fileSuffixPtr,
+			iPrioritisedControllers);
+		}
+	else
+		{
+		CMMFClientUtility::PrioritiseControllersL(
+			iControllers,
+			headerDataPtr,
+			fileSuffixPtr,
+			headerDataPtrSecondary,
+			fileSuffixPtrSecondary,
+			iPrioritisedControllers);
+		}
+
+	iControllerCount = iPrioritisedControllers.Count();
+	if (iControllerCount == 0)
+		User::Leave(KErrNotSupported);
+
+	// Clean up
+	// cSelect, mediaIds,
+	// headerData, fileSuffix, headerDataSecondary, fileSuffixSecondary,
+	// fSelect
+	CleanupStack::PopAndDestroy(7, cSelect);
+	if (fileInfo != NULL)
+		{
+		CleanupStack::PopAndDestroy(fileInfo);
+		}
+	}
+
+void CMMFFindAndOpenController::BuildControllerListDescriptorL()
+	{
+	// Retrieve a list of possible controllers from ECOM
+	// If we don't have a match, leave with unsupported
+
+	iControllers.ResetAndDestroy();
+
+	CMMFControllerPluginSelectionParameters* cSelect = CMMFControllerPluginSelectionParameters::NewLC();
+	CMMFFormatSelectionParameters* fSelect = CMMFFormatSelectionParameters::NewLC();
+
+
+	RArray<TUid> mediaIds;
+	CleanupClosePushL(mediaIds);
+	User::LeaveIfError(mediaIds.Append(iMediaId));
+
+	cSelect->SetMediaIdsL(mediaIds, iMediaIdMatchType);
+
+	TPtrC8 header = iDescriptor.Left(KMaxHeaderSize);
+	fSelect->SetMatchToHeaderDataL(header);
+
+
+	TControllerMode mode = iCurrentConfig->iControllerMode;
+	if (mode == EPlayback || mode == EConvert)
+		cSelect->SetRequiredPlayFormatSupportL(*fSelect);
+	if (mode == ERecord || mode == EConvert)
+		cSelect->SetRequiredRecordFormatSupportL(*fSelect);
+
+	cSelect->ListImplementationsL(iControllers);
+
+	iControllerCount = iControllers.Count();
+	if (iControllerCount == 0)
+		User::Leave(KErrNotSupported);
+
+	// Clean up
+	// cSelect, fSelect, mediaIds
+	CleanupStack::PopAndDestroy(3, cSelect);
+	}
+
+void CMMFFindAndOpenController::BuildControllerListUrlL()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::BuildControllerListUrlL"));
+    #endif
+	// Retrieve a list of possible controllers from ECOM
+	// If we don't have a match, leave with unsupported
+
+	iControllers.ResetAndDestroy();
+
+	CMMFControllerPluginSelectionParameters* cSelect = CMMFControllerPluginSelectionParameters::NewLC();
+	CMMFFormatSelectionParameters* fSelect = CMMFFormatSelectionParameters::NewLC();
+
+	RArray<TUid> mediaIds;
+	CleanupClosePushL(mediaIds);
+	User::LeaveIfError(mediaIds.Append(iMediaId));
+
+	cSelect->SetMediaIdsL(mediaIds, iMediaIdMatchType);
+
+
+ 	if (*iMimeType != KNullDesC8)
+		{
+		fSelect->SetMatchToMimeTypeL(*iMimeType);//We match to mime type
+		}
+	else
+		fSelect->SetMatchToUriL(*iUrl);
+
+
+	TControllerMode mode = iCurrentConfig->iControllerMode;
+	if (mode == EPlayback || mode == EConvert)
+		cSelect->SetRequiredPlayFormatSupportL(*fSelect);
+	if (mode == ERecord || mode == EConvert)
+		cSelect->SetRequiredRecordFormatSupportL(*fSelect);
+
+	cSelect->ListImplementationsL(iControllers);
+
+	iControllerCount = iControllers.Count();
+	if (iControllerCount == 0)
+		User::Leave(KErrNotSupported);
+
+	// Clean up
+	// cSelect, fSelect, mediaIds
+	CleanupStack::PopAndDestroy(3, cSelect);
+	}
+
+void CMMFFindAndOpenController::BuildControllerListFormatL()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::BuildControllerListFormatL"));
+    #endif
+	// Retrieve a list of possible controllers from ECOM
+	// If we don't have a match, leave with unsupported
+
+	iControllers.ResetAndDestroy();
+	iPrioritisedControllers.Reset();
+
+	CMMFControllerPluginSelectionParameters* cSelect = CMMFControllerPluginSelectionParameters::NewLC();
+
+	// Select the media IDs to allow
+	RArray<TUid> mediaIds;
+	CleanupClosePushL(mediaIds);
+	User::LeaveIfError(mediaIds.Append(iMediaId));
+
+	cSelect->SetMediaIdsL(mediaIds, iMediaIdMatchType);
+
+	CMMFFormatSelectionParameters* fSelect = CMMFFormatSelectionParameters::NewLC();
+
+	TControllerMode mode = iCurrentConfig->iControllerMode;
+	if (mode == EPlayback || mode == EConvert)
+		cSelect->SetRequiredPlayFormatSupportL(*fSelect);
+	if (mode == ERecord || mode == EConvert)
+		cSelect->SetRequiredRecordFormatSupportL(*fSelect);
+
+	//Obtain a list of the controllers
+	cSelect->ListImplementationsL(iControllers);
+
+	CleanupStack::PopAndDestroy(3, cSelect); // cSelect, mediaIds, fSelect
+
+	iControllerCount = iControllers.Count();
+	if (iControllerCount == 0)
+		User::Leave(KErrNotSupported);
+
+	TUid formatUidPrimary;
+	TUid formatUidSecondary;
+	if (mode == ERecord)
+		{
+		formatUidSecondary = iFormatUid;
+		formatUidPrimary = iFormatUidSecondary;
+		}
+	else
+		{
+		formatUidPrimary = iFormatUid;
+		formatUidSecondary = iFormatUidSecondary;
+		}
+
+	for (TInt controllerIndex=0; controllerIndex < iControllers.Count(); controllerIndex++)
+		{
+		const RMMFFormatImplInfoArray& recFormatInfo = iControllers[controllerIndex]->RecordFormats();
+		const RMMFFormatImplInfoArray& playFormatInfo = iControllers[controllerIndex]->PlayFormats();
+
+		TBool playFormatMatched = EFalse;
+		TBool recordFormatMatched = EFalse;
+
+		if (formatUidPrimary == KNullUid)
+			{
+			playFormatMatched = ETrue;
+			}
+		else
+			{
+			for(TInt playFormatIndex =0; playFormatIndex < playFormatInfo.Count(); playFormatIndex++)
+				{
+				if(playFormatInfo[playFormatIndex]->Uid() == formatUidPrimary)
+					{
+					playFormatMatched = ETrue;
+					break;
+					}
+				}
+			}
+
+		if (formatUidSecondary == KNullUid)
+			{
+			recordFormatMatched = ETrue;
+			}
+		else
+			{
+			for (TInt recFormatIndex =0; recFormatIndex < recFormatInfo.Count(); recFormatIndex++)
+				{
+				if (recFormatInfo[recFormatIndex]->Uid() == formatUidSecondary)
+					{
+					recordFormatMatched = ETrue;
+					break;
+					}
+				}
+			}
+
+		if (playFormatMatched && recordFormatMatched)
+			User::LeaveIfError(iPrioritisedControllers.Append(iControllers[controllerIndex]));
+		}
+
+	iControllerCount = iPrioritisedControllers.Count();
+	if (iControllerCount == 0)
+		User::Leave(KErrNotSupported);
+	}
+
+CMMSourceSink* CMMFFindAndOpenController::CreateSourceSinkL(const TSourceSink& aParams)
+	{
+	if (aParams.iUseFileHandle)
+		{
+		return CMMFileSourceSink::NewL(aParams.iUid, aParams.iFileHandle);
+		}
+	return CMMSourceSink::NewL(aParams.iUid, aParams.iConfigData);
+	}
+
+
+CMMSourceSink* CMMFFindAndOpenController::CreateSourceSinkL(const TMMSource& aSource)
+	{
+	if (!(aSource.SourceType()==KUidMMFileSource ||
+		aSource.SourceType()==KUidMMFileHandleSource))
+		User::Leave(KErrNotSupported);
+
+	return CMMFileSourceSink::NewL(KUidMmfFileSource, aSource);
+	}
+
+
+
+ CMMFFindAndOpenController::TSourceSink::TSourceSink(TUid aUid, const TDesC8& aConfigData)
+	: iConfigData(aConfigData)
+	{
+	iUid = aUid;
+
+	iUseFileHandle = EFalse;
+	}
+
+ CMMFFindAndOpenController::TSourceSink::TSourceSink(TUid aUid, const RFile& aFile)
+	: iConfigData(KNullDesC8)
+	{
+	iUid = aUid;
+
+	iFileHandle = aFile;
+	iUseFileHandle = ETrue;
+	}
+
+CMMFFindAndOpenController::CConfig::CConfig()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::CConfig"));
+    #endif
+	}
+
+void CMMFFindAndOpenController::CConfig::Close()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::Close"));
+    #endif
+	delete iSource;
+	iSource = NULL;
+	delete iSink;
+	iSink = NULL;
+	}
+CMMFFindAndOpenController::CConfig::~CConfig()
+	{
+    #if _DEBUG
+      RDebug::Print(_L("CMMFFindAndOpenController::~CConfig"));
+    #endif
+	Close();
+	}
+
+ CMMSourceSink* CMMSourceSink::NewLC(TUid aUid, const TDesC8& aDescriptor)
+	{
+	CMMSourceSink* self = new (ELeave) CMMSourceSink(aUid);
+	CleanupStack::PushL(self);
+	self->ConstructL(aDescriptor);
+	return self;
+	}
+
+ CMMSourceSink* CMMSourceSink::NewL(TUid aUid, const TDesC8& aDescriptor)
+	{
+	CMMSourceSink* sourcesink = CMMSourceSink::NewLC(aUid, aDescriptor);
+	CleanupStack::Pop(sourcesink);
+	return sourcesink;
+	}
+
+CMMSourceSink::CMMSourceSink(TUid aUid)
+	: iUid(aUid)
+	{
+	}
+
+CMMSourceSink::~CMMSourceSink()
+	{
+	delete iBuf;
+	}
+
+void CMMSourceSink::ConstructL(const TDesC8& aDescriptor)
+	{
+	iBuf = aDescriptor.AllocL();
+	}
+
+TUid CMMSourceSink::SourceSinkUid() const
+	{
+	return iUid;
+	}
+
+const TDesC8& CMMSourceSink::SourceSinkData() const
+	{
+	return *iBuf;
+	}
+
+ CMMFileSourceSink* CMMFileSourceSink::NewLC(TUid aUid, const RFile& aFile)
+	{
+	CMMFileSourceSink* self = new (ELeave) CMMFileSourceSink(aUid);
+	CleanupStack::PushL(self);
+	self->ConstructL(aFile);
+	return self;
+	}
+
+ CMMFileSourceSink* CMMFileSourceSink::NewL(TUid aUid, const RFile& aFile)
+	{
+	CMMFileSourceSink* sourcesink = CMMFileSourceSink::NewLC(aUid, aFile);
+	CleanupStack::Pop(sourcesink);
+	return sourcesink;
+	}
+
+CMMFileSourceSink::CMMFileSourceSink(TUid aUid)
+	: CMMSourceSink(aUid)
+	{
+	}
+
+void CMMFileSourceSink::ConstructL(const RFile& aFile)
+	{
+	iHandle.Duplicate(aFile);
+	iUsingFileHandle = ETrue;
+	iFileName = HBufC::NewMaxL(KMaxFileName);
+	TPtr fileNamePtr = iFileName->Des();
+	iHandle.Name(fileNamePtr);
+	DoCreateFileHandleSourceConfigDataL();
+	}
+const TInt KExpandSize = 100;
+
+void CMMFileSourceSink::DoCreateFileHandleSourceConfigDataL()
+	{
+	CBufFlat* buf = CBufFlat::NewL(KExpandSize);
+	CleanupStack::PushL(buf);
+	RBufWriteStream stream;
+	stream.Open(*buf);
+	CleanupClosePushL(stream);
+
+	TPckgBuf<RFile*> fileptr(&iHandle);
+	stream.WriteInt32L(KMMFileHandleSourceUid.iUid);
+
+	stream.WriteL(fileptr);
+
+	TInt length = 0;
+	if (iUniqueId != NULL)
+		length = iUniqueId->Length();
+	stream.WriteInt32L(length);
+	if (length>0)
+		stream.WriteL(*iUniqueId);
+
+	stream.WriteInt32L(iEnableUI);
+
+	stream.CommitL();
+	CleanupStack::PopAndDestroy(&stream);
+
+	iSourceSinkData = buf->Ptr(0).AllocL();
+
+	CleanupStack::PopAndDestroy(buf);
+	}
+
+const TDesC8& CMMFileSourceSink::SourceSinkData() const
+	{
+	ASSERT(iSourceSinkData);
+	return *iSourceSinkData;
+	}
+
+CMMFileSourceSink::~CMMFileSourceSink()
+	{
+	iHandle.Close();
+	delete iFileName;
+	delete iSourceSinkData;
+	delete iUniqueId;
+	}
+
+ CMMFileSourceSink* CMMFileSourceSink::NewLC(TUid aUid, const TMMSource& aSource)
+	{
+	CMMFileSourceSink* self = new (ELeave) CMMFileSourceSink(aUid);
+	CleanupStack::PushL(self);
+	self->ConstructL(aSource);
+	return self;
+	}
+
+ CMMFileSourceSink* CMMFileSourceSink::NewL(TUid aUid, const TMMSource& aSource)
+	{
+	CMMFileSourceSink* sourcesink = CMMFileSourceSink::NewLC(aUid, aSource);
+	CleanupStack::Pop(sourcesink);
+	return sourcesink;
+	}
+
+void CMMFileSourceSink::ConstructL(const TMMSource& aSource)
+	{
+	iUniqueId = aSource.UniqueId().AllocL();
+	iIntent = aSource.Intent();
+	iEnableUI = aSource.IsUIEnabled();
+
+	if (aSource.SourceType() == KUidMMFileSource)
+		{
+		const TMMFileSource& fileSource = static_cast<const TMMFileSource&>(aSource);
+		iFileName = fileSource.Name().AllocL();
+
+		DoCreateFileSourceConfigDataL();
+		}
+	else if (aSource.SourceType() == KUidMMFileHandleSource)
+		{
+		const TMMFileHandleSource& fileHandleSource = static_cast<const TMMFileHandleSource&>(aSource);
+		iHandle.Duplicate(fileHandleSource.Handle());
+		iUsingFileHandle = ETrue;
+		iFileName = HBufC::NewMaxL(KMaxFileName);
+		TPtr fileNamePtr = iFileName->Des();
+		iHandle.Name(fileNamePtr);
+
+		DoCreateFileHandleSourceConfigDataL();
+		}
+	else
+		{
+		User::Leave(KErrNotSupported);
+		}
+	}
+
+void CMMSourceSink::EvaluateIntentL()
+	{
+	}
+
+void CMMFileSourceSink::EvaluateIntentL()
+	{
+	if (iUsingFileHandle)
+		{
+   		ContentAccess::CContent* Content = ContentAccess::CContent::NewLC(iHandle);
+   		Content->OpenContentLC(iIntent, *iUniqueId);
+   		CleanupStack::PopAndDestroy(2, Content);
+		}
+	else
+		{
+		ContentAccess::CContent* Content = ContentAccess::CContent::NewLC(*iFileName);
+   		Content->OpenContentLC(iIntent, *iUniqueId);
+   		CleanupStack::PopAndDestroy(2, Content);
+		}
+	}
+
+
+
+ void CMMFileSourceSink::EvaluateIntentL(ContentAccess::TIntent aIntent)
+	{
+	if (iUsingFileHandle)
+		{
+   		ContentAccess::CContent* Content = ContentAccess::CContent::NewLC(iHandle);
+   		Content->OpenContentLC(aIntent, *iUniqueId);
+   		CleanupStack::PopAndDestroy(2, Content);
+		}
+	else
+		{
+		ContentAccess::CContent* Content = ContentAccess::CContent::NewLC(*iFileName);
+   		Content->OpenContentLC(aIntent, *iUniqueId);
+   		CleanupStack::PopAndDestroy(2, Content);
+		}
+	}
+
+void CMMFileSourceSink::DoCreateFileSourceConfigDataL()
+	{
+	CBufFlat* buf = CBufFlat::NewL(KExpandSize);
+	CleanupStack::PushL(buf);
+	RBufWriteStream stream;
+	stream.Open(*buf);
+	CleanupClosePushL(stream);
+
+	stream.WriteInt32L(KMMFileSourceUid.iUid);
+	stream.WriteInt32L(iFileName->Length());
+	stream.WriteL(*iFileName);
+	TInt length = 0;
+	if (iUniqueId != NULL)
+		length = iUniqueId->Length();
+	stream.WriteInt32L(length);
+	if (length>0)
+		stream.WriteL(*iUniqueId);
+
+	stream.WriteInt32L(iEnableUI);
+
+	stream.CommitL();
+	CleanupStack::PopAndDestroy(&stream);
+
+	iSourceSinkData = buf->Ptr(0).AllocL();
+
+	CleanupStack::PopAndDestroy(buf);
+	}
+
+
+