// Copyright (c) 2008-2009 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:

//

/**

 * @file

 * @internalTechnology

 */

#include <uri8.h>

#include "omxilcallbackmanager.h"

#include "omxilfilesinkprocessingfunction.h"

const TInt KMaxMsgQueueEntries = 25;

COmxILFileSinkProcessingFunction* COmxILFileSinkProcessingFunction::NewL(MOmxILCallbackNotificationIf& aCallbacks)

	{

	COmxILFileSinkProcessingFunction* self = new (ELeave) COmxILFileSinkProcessingFunction(aCallbacks);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

COmxILFileSinkProcessingFunction::COmxILFileSinkProcessingFunction(MOmxILCallbackNotificationIf& aCallbacks)

: COmxILProcessingFunction(aCallbacks)

	{

	}

void COmxILFileSinkProcessingFunction::ConstructL()

	{

	iState = OMX_StateLoaded;

	iFileSinkAccess = CFileSinkAccess::NewL(*this);

	iPFHelper = CPFHelper::NewL(*this, *iFileSinkAccess);

	}

COmxILFileSinkProcessingFunction::~COmxILFileSinkProcessingFunction()

	{

	if(iPFHelper &&

	   (iState == OMX_StateInvalid  ||

	    iState == OMX_StateExecuting ||

	    iState == OMX_StatePause))

		{

		iPFHelper->StopSync();

		}

	delete iPFHelper;

	delete iFileSinkAccess;

	delete iUri;

	delete iFileName;

	// Buffer headers are not owned by the processing function

    iBuffersToEmpty.Close();

	}

OMX_ERRORTYPE COmxILFileSinkProcessingFunction::StateTransitionIndication(COmxILFsm::TStateIndex aNewState)

	{

	OMX_ERRORTYPE err = OMX_ErrorNone;

	switch(aNewState)

		{

		case COmxILFsm::EStateExecuting:

			{

			if (iPFHelper->ExecuteAsync() != KErrNone)

				{

				err = OMX_ErrorInsufficientResources;

				}

			}

			break;

		case COmxILFsm::EStateInvalid:

			{

            if (iPFHelper && iPFHelper->StopAsync() != KErrNone)

                {

                err = OMX_ErrorInsufficientResources;

                }			

			}

			break;

		case COmxILFsm::EStatePause:

			{

			iPFHelper->PauseAsync();

			}

			break;

		case COmxILFsm::EStateIdle:

			{

			iPFHelper->IdleAsync();

			}

			break;

		case COmxILFsm::EStateLoaded:

		case COmxILFsm::EStateWaitForResources:

			{

			if (iPFHelper && iPFHelper->StopAsync() != KErrNone)

				{

				err = OMX_ErrorInsufficientResources;

				}

			}

			break;

		case COmxILFsm::ESubStateExecutingToIdle:

			{

			iPFHelper->StopAsync();

			}

			break;

        case COmxILFsm::ESubStateLoadedToIdle:

        case COmxILFsm::ESubStateIdleToLoaded:			

		case COmxILFsm::ESubStatePauseToIdle:

			break;

		default:

			{

			err = OMX_ErrorIncorrectStateTransition;

			}

		};

	return err;

	}

OMX_ERRORTYPE COmxILFileSinkProcessingFunction::BufferFlushingIndication(TUint32 aPortIndex, OMX_DIRTYPE aDirection)

	{

	OMX_ERRORTYPE err = OMX_ErrorNone;

    if ((aPortIndex == OMX_ALL && aDirection == OMX_DirMax) ||

        (aPortIndex == 0 && aDirection == OMX_DirInput))

        {

        // Send BufferDone notifications for each bufer...

        for (TUint i=0, bufferCount=iBuffersToEmpty.Count(); i<bufferCount; ++i)

            {

            OMX_BUFFERHEADERTYPE* pBufferHeader = iBuffersToEmpty[i];

            iCallbacks.BufferDoneNotification(pBufferHeader,

                                              pBufferHeader->nInputPortIndex,

                                              OMX_DirInput);

            }

        // Empty buffer lists...

        iBuffersToEmpty.Reset();

        }

    else

        {

        err = OMX_ErrorBadParameter;

        }

    return err;

	}

OMX_ERRORTYPE COmxILFileSinkProcessingFunction::ParamIndication(OMX_INDEXTYPE aParamIndex, const TAny* apComponentParameterStructure)

	{

	OMX_ERRORTYPE err = OMX_ErrorNone;

	switch(aParamIndex)

		{		

		case OMX_IndexParamPortDefinition:

			{

			//const OMX_PARAM_PORTDEFINITIONTYPE* portDefinition = static_cast<const OMX_PARAM_PORTDEFINITIONTYPE*>(apComponentParameterStructure);

			//nothing to do

			//

			//the number of buffers may change depending on capture mode (single shot vs burst mode)

			//in that case, we need to do something for PF...

			break;

			}

		case OMX_IndexParamContentURI:

			{

			const OMX_PARAM_CONTENTURITYPE* contentUriType = reinterpret_cast<const OMX_PARAM_CONTENTURITYPE*>(apComponentParameterStructure);

			err = SetFileName(contentUriType);

			break;

			}

		default:

			{

			err = OMX_ErrorUnsupportedIndex;

			}

		}

	return err;

	}

OMX_ERRORTYPE COmxILFileSinkProcessingFunction::ConfigIndication(OMX_INDEXTYPE /*aConfigIndex*/, const TAny* /*apComponentConfigStructure*/)

	{

	return OMX_ErrorNone;

	}

OMX_ERRORTYPE COmxILFileSinkProcessingFunction::BufferIndication(OMX_BUFFERHEADERTYPE* apBufferHeader, OMX_DIRTYPE aDirection)			

	{

	if (aDirection == OMX_DirInput)

    	{

    	if (iPFHelper->BufferIndication(apBufferHeader) != KErrNone)

    		{

    		return OMX_ErrorInsufficientResources;

    		}

		}

    else

    	{

    	return OMX_ErrorBadParameter;

    	}

    return OMX_ErrorNone;	

	}

OMX_BOOL COmxILFileSinkProcessingFunction::BufferRemovalIndication(OMX_BUFFERHEADERTYPE* apBufferHeader, OMX_DIRTYPE /*aDirection*/)

	{

	OMX_BOOL headerDeletionResult = OMX_TRUE;

	TInt headerIndexInArray = KErrNotFound;

	if (KErrNotFound != (headerIndexInArray = iBuffersToEmpty.Find(apBufferHeader)))

		{

		iBuffersToEmpty.Remove(headerIndexInArray);

		}

	else

		{

		headerDeletionResult = OMX_FALSE;

		}

    return headerDeletionResult;

	}

MOmxILCallbackNotificationIf& COmxILFileSinkProcessingFunction::GetCallbacks()

	{

	return iCallbacks;

	}

OMX_ERRORTYPE COmxILFileSinkProcessingFunction::SetFileName(const OMX_PARAM_CONTENTURITYPE* aContentUriType)

	{

	ASSERT(aContentUriType);

	delete iFileName; 

	iFileName = NULL;

	delete iUri; 

	iUri = NULL;

	//TInt dataLength = aContentUriType->nSize - sizeof(OMX_PARAM_CONTENTURITYPE) + 4;

	TInt sizeOfUri = aContentUriType->nSize - _FOFF(OMX_PARAM_CONTENTURITYPE, contentURI); //Actual size of URI

	if (sizeOfUri <= 0)

		{

		return OMX_ErrorBadParameter;

		}

	// Don't include the zero character at the end.

	//TPtrC8 uriDes(reinterpret_cast<const TUint8*>(&aContentUriType->contentURI), dataLength - 1);

	TPtrC8 uriDes(aContentUriType->contentURI,sizeOfUri);

	TInt err = KErrNone;

	do

		{

		TUriParser8 parser;

		err = parser.Parse(uriDes);

		if (err != KErrNone)

			{

			break;

			}

		TRAP(err, iFileName = parser.GetFileNameL());

		if (err != KErrNone)

			{

			break;

			}

		// Remove Null charcter '\0' if any.

		TPtr filePtr(iFileName->Des());

		TInt index = filePtr.LocateReverse('\0');

		if (index != KErrNotFound && index == filePtr.Length()-1)

		    {

		    filePtr.Delete(index,1);

		    }

		uriDes.Set(reinterpret_cast<const TUint8 *>(aContentUriType), aContentUriType->nSize );

		iUri = uriDes.Alloc();

		if (!iUri)

			{

			err = KErrNoMemory;

			break;

			}

		return OMX_ErrorNone;

		}

	while (EFalse);

	// Something failed.

	ASSERT(err != KErrNone);

	delete iFileName; 

	iFileName = NULL;

	delete iUri; 

	iUri = NULL;

	return (err == KErrNoMemory ? OMX_ErrorInsufficientResources : OMX_ErrorBadParameter);

	}

const HBufC* COmxILFileSinkProcessingFunction::FileName() const

	{

	return iFileName;

	}

const HBufC8* COmxILFileSinkProcessingFunction::Uri() const

	{

	return iUri;

	}

COmxILFileSinkProcessingFunction::CFileSinkAccess* COmxILFileSinkProcessingFunction::CFileSinkAccess::NewL(COmxILFileSinkProcessingFunction& aParent)

	{

	CFileSinkAccess* self = new (ELeave) CFileSinkAccess(aParent);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

COmxILFileSinkProcessingFunction::CFileSinkAccess::CFileSinkAccess(COmxILFileSinkProcessingFunction& aParent)

	: CActive(EPriorityStandard),

	iParent(aParent),

	iBufferOffset(0),

	iWriteBuffer(0,0) 

	{

	CActiveScheduler::Add(this);

	}

void COmxILFileSinkProcessingFunction::CFileSinkAccess::ConstructL()

	{

	User::LeaveIfError(iFs.Connect());

	}

COmxILFileSinkProcessingFunction::CFileSinkAccess::~CFileSinkAccess()

	{

	Cancel();

	iFileHandle.Close();

	iFs.Close();

	}

void COmxILFileSinkProcessingFunction::CFileSinkAccess::RunL()

	{

	// The buffer is not on the list implies that they have already been flushed/spotted 

	// via BufferFlushingIndication/BufferRemovalIndication

	TInt index = iParent.iBuffersToEmpty.Find(iCurrentBuffer);

	if (KErrNotFound != index)

		{

		switch(iStatus.Int())

			{

			case KErrNone: 

				{

				// Consumed all data completely

				if(OMX_BUFFERFLAG_EOS & iCurrentBuffer->nFlags)

					{

					iFileHandle.Close();

					iParent.GetCallbacks().EventNotification(OMX_EventBufferFlag, iCurrentBuffer->nInputPortIndex, OMX_BUFFERFLAG_EOS, NULL);

					}

				iCurrentBuffer->nFilledLen = 0;

				iCurrentBuffer->nOffset = 0;

				iCurrentBuffer->nFlags = 0;

				iCurrentBuffer->nTimeStamp = 0;

				break;

				}

			default:

				{

				// Leave actual value of iCurrentBuffer->nFilledLen

				}

			};

		iParent.GetCallbacks().BufferDoneNotification(iCurrentBuffer,iCurrentBuffer->nInputPortIndex,OMX_DirInput);

		iParent.iBuffersToEmpty.Remove(index);

		iCurrentBuffer = NULL;

		if(iFileHandle.SubSessionHandle() != 0)

			{

			ProcessNextBuffer();	

			}

		}

	}

TInt COmxILFileSinkProcessingFunction::CFileSinkAccess::ProcessNextBuffer()

	{

	if ((iParent.iBuffersToEmpty.Count() > 0) && !IsActive() && iParent.iState == OMX_StateExecuting)

		{

		iCurrentBuffer = iParent.iBuffersToEmpty[0];

		iWriteBuffer.Set(iCurrentBuffer->pBuffer, iCurrentBuffer->nFilledLen, iCurrentBuffer->nAllocLen);

		// If the buffer is empty, we should not invoke RFile::Write, but self-complete instead

    	if (iCurrentBuffer->nFilledLen == 0 || iFileHandle.SubSessionHandle() == 0)

    		{

     		SetActive();

			TRequestStatus* status(&iStatus);

			User::RequestComplete(status, KErrNone);

		    }

		else

			{

			iFileHandle.Write(iWriteBuffer, iCurrentBuffer->nFilledLen, iStatus);

			SetActive();

			}

		}

	return KErrNone;

	}

void COmxILFileSinkProcessingFunction::CFileSinkAccess::DoCancel()

	{

	if (iFileHandle.SubSessionHandle() != 0)

	    {

	    iFileHandle.Close();

	    }

	iCurrentBuffer = NULL;

	}

TInt COmxILFileSinkProcessingFunction::CFileSinkAccess::Execute()

	{

	iParent.iState = OMX_StateExecuting;

	return ProcessNextBuffer();

	}

void COmxILFileSinkProcessingFunction::CFileSinkAccess::Pause()

	{

	iParent.iState = OMX_StatePause;

	Cancel();

	}

void COmxILFileSinkProcessingFunction::CFileSinkAccess::Idle()

    {

    iParent.iBuffersToEmpty.Reset();

    iParent.iState = OMX_StateIdle;

    }

void COmxILFileSinkProcessingFunction::CFileSinkAccess::Stop()

	{

	if(iParent.iState == OMX_StateExecuting || iParent.iState == OMX_StatePause)

		{

		Cancel();

		iParent.iState = OMX_StateIdle;

		}

	}

COmxILFileSinkProcessingFunction::CPFHelper* COmxILFileSinkProcessingFunction::CPFHelper::NewL(COmxILFileSinkProcessingFunction& aParent, CFileSinkAccess& aFileSinkAccess)

	{

	CPFHelper* self = new (ELeave) CPFHelper(aParent, aFileSinkAccess);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

COmxILFileSinkProcessingFunction::CPFHelper::CPFHelper(COmxILFileSinkProcessingFunction& aParent, CFileSinkAccess& aFileSinkAccess)

: CActive(EPriorityStandard),

  iParent(aParent),

  iFileSinkAccess(aFileSinkAccess)

	{

	CActiveScheduler::Add(this);

	}

void COmxILFileSinkProcessingFunction::CPFHelper::ConstructL()

	{

	User::LeaveIfError(iMsgQueue.CreateLocal(KMaxMsgQueueEntries));

	SetActive();

	iMsgQueue.NotifyDataAvailable(iStatus);

	}

COmxILFileSinkProcessingFunction::CPFHelper::~CPFHelper()

	{

	Cancel(); 

	iMsgQueue.Close();

	}

void COmxILFileSinkProcessingFunction::CPFHelper::RunL()

	{

	TInt err = ProcessQueue();

	if (err != KErrNone)

		{

		iParent.GetCallbacks().ErrorEventNotification( ConvertSymbianErrorType(err));

		} 

	// setup for next callbacks		

	SetActive();

	iMsgQueue.NotifyDataAvailable(iStatus);

	}

void COmxILFileSinkProcessingFunction::CPFHelper::DoCancel()

	{

	if (iMsgQueue.Handle())

		{

		ProcessQueue();	// TODO: ignore the error?

		iMsgQueue.CancelDataAvailable();

		}

	}

TInt COmxILFileSinkProcessingFunction::CPFHelper::ProcessQueue()

	{

	TProcMessage msg;

	TInt err = KErrNone;

	while (iMsgQueue.Receive(msg) == KErrNone)

		{

		switch (msg.iType)

			{

			case EExecuteCommand:

				{

                const HBufC* fileName = iParent.FileName();

	            if (fileName)

                    {

                    TUint fileMode = EFileWrite | EFileShareExclusive;

                    if(iFileSinkAccess.iFileHandle.SubSessionHandle() == 0)

                        {

                        err = iFileSinkAccess.iFileHandle.Replace(iFileSinkAccess.iFs, *fileName, fileMode);

                        }                    

                    }

                if ( err == KErrNone)

                    {

                    err = iFileSinkAccess.Execute();

                    }	            

				break;

				}			

			case EStopCommand:

				{

				iFileSinkAccess.Stop();	

				break;

				}

			case EPauseCommand:

				{

				iFileSinkAccess.Pause();	

				break;

				}

            case EIdleCommand:

                {

                iFileSinkAccess.Idle();

                break;