// Copyright (c) 2005-2009 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:

// Part of the MVS Agents for TechView

//

#include <mdaaudiosampleeditor.h>

#include <mdaaudiosampleplayer.h>

#include <mda/client/utility.h>

#include <f32file.h>

#include <badesca.h>

#include <flogger.h>

#include <mvs/agentsutility.h>

#ifndef MVSAUDIORECORDAGENT_H

#define MVSAUDIORECORDAGENT_H

/**

@publishedPartner

@prototype

@test

Provides Audio recording functionality for the UI/Client.

*/

class CMVSAudioRecordAgent : public CBase, MMdaObjectStateChangeObserver

{

public:

	IMPORT_C static CMVSAudioRecordAgent* NewL(MMVSClientObserver& aObserver);

	IMPORT_C ~CMVSAudioRecordAgent();

	//creates new file for recording

	IMPORT_C void CreateNewFileL(TDesC& aFile,TUid aRecordControllerUid,TUid aPlayControllerUid);

	// supply controller uid

	IMPORT_C void OpenFileL(const TDesC& aFile, TUid aRecordControllerUid,TUid aPlayControllerUid); 

	// allow MMF to choose controller

	IMPORT_C void OpenFileL(const TDesC& aFile); 

	IMPORT_C  void OpenDesL(const TDesC8 &aDescriptor); //for future support

	IMPORT_C void RecordL();

	IMPORT_C void Stop();

	IMPORT_C void PlayL();

    //Setter methods - General

    IMPORT_C void SetGain(TInt aGain);

    IMPORT_C void CropClipL(TTimeIntervalMicroSeconds& aCropStart, 

                   TBool aflag);

    IMPORT_C void SetMetaDataL(RPointerArray<CMMFMetaDataEntry> aMetaEntry);

    IMPORT_C TInt SetPlayBalance(TInt aBalance);

    IMPORT_C TInt SetRecordBalance(TInt aBalance);

    IMPORT_C void SetPriority(TInt aPriority, TMdaPriorityPreference aPref);

    IMPORT_C void SetRepeats(TInt aNoRepeats, TTimeIntervalMicroSeconds aDelay);

    IMPORT_C void SetPosition(TTimeIntervalMicroSeconds& aPosition);

    IMPORT_C void SetVolume(TInt aVolume, TTimeIntervalMicroSeconds aRamp);

    IMPORT_C TInt SetBalance(TInt aBalance);

    IMPORT_C void SetMaxWriteLength(TInt aMaxWriteLength);    

    //closes the current audio clip

    IMPORT_C void Reset();

	//Setter methods - Format configuration

	IMPORT_C void SetDestinationBitRateL(TUint aBitRate);

	IMPORT_C void SetDestinationSampleRateL(TUint aSampleRate);

	IMPORT_C void SetDestinationNumberOfChannelsL(TUint aNumberOfChannels);

	IMPORT_C void SetDestinationDataTypeL(TFourCC aDataType);

	//Getter methods - General

	IMPORT_C TTimeIntervalMicroSeconds& Position() const;

	IMPORT_C TInt Gain(TInt& aGain);

	IMPORT_C TInt MaxGain() const;

	IMPORT_C void GetMetaDataArrayL(RPointerArray<CMMFMetaDataEntry>& aMetaData);

	IMPORT_C TInt GetVolume(TInt& aVolume);

	IMPORT_C TInt GetPlayBalance(TInt& aBalance);

	IMPORT_C TInt GetRecordBalance(TInt& aBalance);

	IMPORT_C TTimeIntervalMicroSeconds Duration();

	IMPORT_C TUint SourceBitRateL();

	IMPORT_C TInt MaxVolume();

	IMPORT_C const TTimeIntervalMicroSeconds RecordTimeAvailable();

	//Getter methods - Format configuration

	IMPORT_C void GetSupportedNoChannelsArrayL(RArray<TUint>& aNoChannelsArray);

    IMPORT_C void GetSupportedBitRatesArrayL(RArray<TUint>& aBitRatesArray);

    IMPORT_C void GetSupportedSampleRatesArrayL(RArray<TUint>& aSampleRatesArray);

    IMPORT_C void GetSupportedCodecsArrayL(RArray<TFourCC>& aCodecsArray);

    /**

	Returns the current state of Client. Provided for the UI to enable/disable the 

	menu items depending on the current state of the Client

	*/

    IMPORT_C TMVSState State();

private:

	void ConstructL();// create recorder utility here

    CMVSAudioRecordAgent(MMVSClientObserver& aObserver);

	//from MMdaObjectStateChangeObserver

	void MoscoStateChangeEvent(CBase* /*aObject*/,

                                TInt /*aPreviousState*/, 

                                TInt /*aCurrentState*/, 

                                TInt /*aErrorCode*/);

    TBool EstablishFsSessionL();

    void CloseFsSession();

    void CloseFileSession();

    TBool EstablishFileSessionL(TDesC& aPath);

private:

	CMdaAudioRecorderUtility* iRecorder;

	MMVSClientObserver& iObserver;

	TMVSState iState;

    //used to create the file to be recorded

    RFs iFs;

    RFile iFile;

    TBool iFsSessionEstablished;

    TBool iFileSessionEstablished;

    RFileLogger iFileLogger;        

}; 

#endif __MVSAUDIORECORDAGENT_H__