// 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

 */

#ifndef OMXILFILESINKPROCESSINGFUNCTION_H

#define OMXILFILESINKPROCESSINGFUNCTION_H

#include "omxilprocessingfunction.h"

#include <e32base.h>

#include <e32msgqueue.h>

#include <f32file.h>

class COmxILFileSinkProcessingFunction : public COmxILProcessingFunction

	{

public:

	static COmxILFileSinkProcessingFunction* NewL(MOmxILCallbackNotificationIf& aCallbacks);

	~COmxILFileSinkProcessingFunction();

	OMX_ERRORTYPE StateTransitionIndication(COmxILFsm::TStateIndex aNewState);

	OMX_ERRORTYPE BufferFlushingIndication(TUint32 aPortIndex, OMX_DIRTYPE aDirection);

	OMX_ERRORTYPE ParamIndication(OMX_INDEXTYPE aParamIndex, const TAny* apComponentParameterStructure);

	OMX_ERRORTYPE ConfigIndication(OMX_INDEXTYPE aConfigIndex, const TAny* apComponentConfigStructure);

	OMX_ERRORTYPE BufferIndication(OMX_BUFFERHEADERTYPE* apBufferHeader, OMX_DIRTYPE aDirection);

	OMX_BOOL BufferRemovalIndication(OMX_BUFFERHEADERTYPE* apBufferHeader, OMX_DIRTYPE aDirection);

	MOmxILCallbackNotificationIf& GetCallbacks();

	/** can return NULL if parameter has not been set. */

	const HBufC* FileName() const;

	const HBufC8* Uri() const;

private:

	COmxILFileSinkProcessingFunction(MOmxILCallbackNotificationIf& aCallbacks);

	void ConstructL();

	void InitFileAndUriL();

	OMX_ERRORTYPE SetFileName(const OMX_PARAM_CONTENTURITYPE* aContentUriType);

private:

	RPointerArray<OMX_BUFFERHEADERTYPE> iBuffersToEmpty;

	OMX_STATETYPE iState;

	HBufC8* iUri;

	HBufC* iFileName;

private:

	class CPFHelper;

	class CFileSinkAccess : public CActive

		{

	friend class CPFHelper;

	public:

		static CFileSinkAccess* NewL(COmxILFileSinkProcessingFunction& aParent);

		~CFileSinkAccess();

		// from CActive

		void RunL();

		void DoCancel();

		TInt Execute();

		void Pause();

		void Stop();

		void Idle();

		TInt ProcessNextBuffer();

	private:

		CFileSinkAccess(COmxILFileSinkProcessingFunction& aParent);

		void ConstructL();

	private:

		COmxILFileSinkProcessingFunction& iParent;

		OMX_BUFFERHEADERTYPE* iCurrentBuffer;

		RFs iFs;

		RFile iFileHandle;

		TInt iBufferOffset;

		TPtr8 iWriteBuffer;

		} *iFileSinkAccess;

	class CPFHelper : public CActive

		{

	public:

		static CPFHelper* NewL(COmxILFileSinkProcessingFunction& aParent, CFileSinkAccess& aFileSinkAccess);

		~CPFHelper();

		static OMX_ERRORTYPE ConvertSymbianErrorType(TInt aError);

		// from CActive

		void RunL();

		void DoCancel();

		TInt ExecuteAsync();

		TInt StopAsync();

		TInt PauseAsync();

		void StopSync();

		TInt IdleAsync();

		TInt BufferIndication(OMX_BUFFERHEADERTYPE* apBufferHeader);

		enum TMessageType 

			{

			EExecuteCommand,

			EStopCommand,

			EPauseCommand,

			ECancelCommand,

			EBufferIndication,

			EIdleCommand

			};

		class TProcMessage

			{

		public:

			TMessageType iType;

			TAny* iPtr;

			};

		RMsgQueue<TProcMessage> iMsgQueue;

	private:

		CPFHelper(COmxILFileSinkProcessingFunction& aParent, CFileSinkAccess& aFileSinkAccess);

		void ConstructL();

		TInt ProcessQueue();

	private:

		COmxILFileSinkProcessingFunction& iParent;

		CFileSinkAccess& iFileSinkAccess;

		} *iPFHelper;			

	};

#endif // OMXILFILESINKPROCESSINGFUNCTION_H