// Copyright (c) 2003-2009 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:

//

#ifndef __SPEECHRECOGNITIONUTILITYBODY_H__

#define __SPEECHRECOGNITIONUTILITYBODY_H__

// INCLUDES

#include <e32base.h>

#include <mmf/common/mmfcontroller.h>

#include <mmf/common/speechrecognitioncustomcommands.h>

#include <mmf/common/speechrecognitiondataclient.h>

#include <speechrecognitionutility.h>

class CSpeechRecognitionUtility::CBody : public CBase, public MMMFControllerEventMonitorObserver

{

public:

	static CSpeechRecognitionUtility::CBody* NewL(TUid aClientUid, MSpeechRecognitionUtilityObserver& aSpeechRecognitionUtilityObserver);

	static CSpeechRecognitionUtility::CBody* NewLC(TUid aClientUid, MSpeechRecognitionUtilityObserver& aSpeechRecognitionUtilityObserver);

	 ~CBody();

	 TInt GetEngineProperties( const RArray<TInt>& aPropertyId, RArray<TInt>& aPropertyValue );

	 TInt AddPronunciation(TLexiconID aLexiconID, TModelBankID aModelBankID, TModelID aModelID, TPronunciationID& aPronunciationID);

	 TInt AddRule(TGrammarID aGrammarID, TLexiconID aLexiconID, TPronunciationID aPronunciationID, TRuleID& aRuleID);

	 void Cancel();

	 TInt CommitChanges();

	 TInt CreateGrammar(TGrammarID& aGrammarID);

	 TInt CreateLexicon(TLexiconID& aLexiconID);

	 TInt LoadModels(TModelBankID aModelBankID);

	 TInt LoadGrammar(TGrammarID aGrammarID);

	 TInt LoadLexicon(TLexiconID aLexiconID);

	 TInt GetUtteranceDuration(TModelBankID aModelBankID, TModelID aModelID, TTimeIntervalMicroSeconds32& aDuration);

	 TInt PlayUtterance(TModelBankID aModelBankID, TModelID aModelID);

	 TInt GetModelCount(TModelBankID aModelBankID, TInt& aModelCount);

	 TInt EndRecSession();

	 TInt StartRecSession(TRecognitionMode aMode);

	 TInt Recognize(CSDClientResultSet& aResultSet);

	 TInt Record(TTimeIntervalMicroSeconds32 aRecordTime);

	 TInt RemoveGrammar(TGrammarID aGrammarID);

	 TInt RemovePronunciation(TLexiconID aLexiconID, TPronunciationID aPronunciationID);

	 TInt RemoveLexicon(TLexiconID aLexiconID);

	 TInt RemoveModel(TModelBankID aModelBankID, TModelID aModelID);

	 TInt RemoveRule(TGrammarID aGrammarID, TRuleID aRuleID);

	 TInt Train(TModelBankID aModelBankID, TModelID& aModelID);

	 TInt UnloadRule(TGrammarID aGrammarID, TRuleID aRuleID);

	 void SetEventHandler(MSpeechRecognitionUtilityObserver* aSpeechRecognitionUtilityObserver);

	 TInt GetAllPronunciationIDs(TLexiconID aLexiconID, RArray <TPronunciationID>& aPronunciationIDs);

	 TInt GetAllModelIDs(TModelBankID aModelBankID, RArray <TModelID>& aModelIDs);

	 TInt GetAllRuleIDs(TGrammarID aGrammarID, RArray <TRuleID>& aRuleIDs);

  	 TInt GetAllLexiconIDs(RArray <TLexiconID>& aPronunciationIDs);

	 TInt GetAllModelBankIDs(RArray <TModelBankID>& aModelIDs);

	 TInt GetAllGrammarIDs(RArray <TGrammarID>& aRuleIDs);

 	 TInt GetAllClientLexiconIDs(RArray <TLexiconID>& aPronunciationIDs);

	 TInt GetAllClientModelBankIDs(RArray <TModelBankID>& aModelIDs);

	 TInt GetAllClientGrammarIDs(RArray <TGrammarID>& aRuleIDs);

 	 TInt GetRuleValidity(TGrammarID aGrammarID, TRuleID aRuleID, TBool& aValid); 

	 TInt CreateModelBank(TModelBankID& aModelBankID);

	 TInt RemoveModelBank(TModelBankID aModelBankID);

	 TInt GetAvailableStorage(TInt& aAvailableStorage); 

	 TInt LoadEngineParameters( const RArray<TInt>& aParameterId, 

								const RArray<TInt>& aParameterValue );

	 TInt SetAudioPriority( TInt aPriority, TInt aTrainPreference, 

					TInt aPlaybackPreference, TInt aRecognitionPreference );

	void HandleEvent(const TMMFEvent& aEvent);

private:

	CBody(TUid aClientUid, MSpeechRecognitionUtilityObserver& aSpeechRecognitionUtilityObserver);

	void ConstructL();

	// member variable MMF controller

	RMMFController iMMFController;

	// member variable for custom commands

	RSpeechRecognitionCustomCommands iSrCustomCommands;

	// member variable pointer for observer class

	MSpeechRecognitionUtilityObserver* iSpeechRecognitionUtilityObserver;

	// member variable pointer for controller event monitor class

	CMMFControllerEventMonitor* iControllerEventMonitor;

	// used to indicate if an event is the result of an internal command

	TBool iAsyncCallBusy;

	// member variable pointer for array of rule IDs - not owned

	RArray <TRuleID>* iRuleIDs;

	// member variable pointer for array of pronunciation IDs  - not owned

	RArray <TPronunciationID>* iPronunciationIDs;

	// member variable pointer for array of model IDs  - not owned

	RArray <TModelID>* iModelIDs;

	// member variable pointer for array of Grammar IDs  - not owned

	RArray <TGrammarID>* iGrammarIDs;

	// member variable pointer for array of Lexicon IDs  - not owned

	RArray <TLexiconID>* iLexiconIDs;

	// member variable pointer for array of Model Bank IDs  - not owned

	RArray <TModelBankID>* iModelBankIDs;

	// member variable for audio priority

	TInt iAudioPriority;

	// member variable for train preference

	TMdaPriorityPreference iTrainPreference; 

	// member variable for playback preference

	TMdaPriorityPreference iPlaybackPreference;

	// member variable for recognition preference

	TMdaPriorityPreference iRecognitionPreference;

	CSDClientResultSet* iResultSet;

	// settings used in the construction of the asr controlller 

	TMMFPrioritySettings   iPrioritySettings;

	TUid iClientUid;

};

#endif	// __SPEECHRECOGNITIONUTILITY_H__