/*

* Copyright (c) 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: Juha Kauppinen, Mika Hokkanen

* 

* Description: Photo Browser

*

*/

#ifndef __IEENGINE_H__

#define __IEENGINE_H__

#define _FACEBROWSING

// Include files

#include <e32base.h>

#include <fbs.h>

#include "ImagicConsts.h"

#include "debug.h"

#include "IEImage.h"

#include "IEImageProcessing.h" //thumbnail client

#include "IESensorMonitor.h"

#include "IEImageList.h"

#ifdef _S60_5x_ACCELEROMETER_

#include <sensrvorientationsensor.h>

#endif

//Structures

// Class declaration, AppUI class implements

class MIEEngineObserver

{

public:

    virtual void ImagesLoadedL(TInt aError) = 0;

	virtual void TNCreationCompleteL(TThumbSize aTnRes) = 0;

	virtual void SingleTNCreationCompletedL(TInt index, TThumbSize aTnRes) = 0;

	virtual void FaceDetectionComplete() = 0;

	virtual void SingleFaceDetectionComplete() = 0;

	virtual TInt GetImageIndex() = 0;

	virtual void AllFilesScanned() = 0;

	virtual void ImageListChanged(TInt aIndex, TBool bAdded) = 0;

#ifdef _ACCELEROMETER_SUPPORTED_

	virtual void ImageRotated(TImagicDeviceOrientation aDeviceOrientation) = 0;

#endif

	virtual TInt GetGleMaxRes() = 0;

};

class CIEEngine : public CBase

{

public:

	IMPORT_C static CIEEngine* NewL(MIEEngineObserver& aObserver);

	IMPORT_C virtual ~CIEEngine();

	IMPORT_C virtual TInt GetTotalNumOfImages() = 0;

	IMPORT_C virtual void GetTotalNumOfImages(TInt& aNumOfImages, TInt& aNumOfFaces) = 0;

	IMPORT_C virtual TInt DeleteFile(TInt aIndex) = 0;

	IMPORT_C virtual TInt GetImageName(const TInt aIndex, TFileName& aFileName, TThumbSize aThumbRes) = 0;

	IMPORT_C virtual void GetBitmapL(CImageData* aImageData, CFbsBitmap* aBitmap, TThumbSize aThumbRes) = 0;

	IMPORT_C virtual void AppUIReady() = 0;

	IMPORT_C virtual void CancelFullSizeLoading() = 0;

#ifdef _ACCELEROMETER_SUPPORTED_

	IMPORT_C virtual TImagicDeviceOrientation GetDeviceOrientation() = 0;

	IMPORT_C virtual void SetDeviceOrientation(TImagicDeviceOrientation aOrientation) = 0;

	IMPORT_C virtual void StartAccSensorMonitoring() = 0;

    IMPORT_C virtual void StopAccSensorMonitoring() = 0;

#endif

	IMPORT_C virtual TBool IsAccelerometerExists() = 0;

	IMPORT_C virtual void SensorDataAvailable(TImagicDeviceOrientation aOrientation, TBool aValue) = 0;

	IMPORT_C virtual void SetImageRotation(TInt aIndex) = 0;

	IMPORT_C virtual void SetDBChanged(CImageData* aImageData) = 0;

	//New functions for handling UI access to Filename array

	IMPORT_C virtual CImageData* GetImageData(TInt aIndex/*, TImageArrayMode aMode*/) = 0;

	IMPORT_C virtual void SetImageData(TInt aIndex, CImageData* aGridData) = 0;

	IMPORT_C virtual TBool IsScanningFiles() const = 0;

	IMPORT_C virtual CIEImageList& GetImageList() = 0;	

	// TN related functions

	IMPORT_C virtual void GetFileNameL(const TInt aIndex, TThumbSize aThumbRes, TFileName& aFilename) = 0;

	IMPORT_C virtual void StopTNGeneration(TInt &aValue) = 0;

	IMPORT_C virtual TReal GetAspectRatio(TInt aIndex) = 0;

	IMPORT_C virtual TReal GetFacesAspectRatio(TInt aIndex) = 0;

	IMPORT_C virtual void GenerateThumbNailL(const TDes &aOrgFile, TThumbSize aTNResolution) = 0;

	// Newly added face Detection functions

	IMPORT_C virtual void GetFaceCoordinates(const TFileName a128x128TNFileName, RArray<TRect>& aFaceCoordinateArray) = 0;

    IMPORT_C virtual void GetSingleFaceCoordinates(TInt aIndex, const TFileName aTNFileName, RArray<TRect>& aFaceCoordinateArray) = 0;

    IMPORT_C virtual void SetImageDataMode(TImageArrayMode aMode) = 0;

    IMPORT_C virtual void Stop() = 0;

    IMPORT_C virtual TBool IsRunning() = 0;

};

#endif // __IEENGINE_H__