/*

* Copyright (c) 2010 ISB.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "Symbian Foundation License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".

*

* Initial Contributors:

* ISB - Initial contribution

*

* Contributors:

*

* Description:

*

*/

#include "ecamwebcameraactive.h"

//

// CWebCameraActive

//

CWebCameraActive* CWebCameraActive::NewL(MWebCameraActiveCallBack* aOwner, RWebcameraDevice& aDriver)

	{

	CWebCameraActive* self = new(ELeave) CWebCameraActive(aOwner, aDriver);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CWebCameraActive::CWebCameraActive(MWebCameraActiveCallBack* aOwner, RWebcameraDevice& aDriver)

				 :CActive(CActive::EPriorityStandard),

				  iOwner(aOwner),

				  iDriver(aDriver)

	{

	CActiveScheduler::Add(this);

	}

CWebCameraActive::~CWebCameraActive()

	{

	}

/**

* RunL.

*/

void CWebCameraActive::RunL()

	{

	TInt wError = iStatus.Int();

	switch(iOperation)

		{

	case ECamActiveReserve:

		iOwner->ReserveCallBack(wError);

		break;

	case ECamActivePowerOn:

		iOwner->PowerOnCallBack(wError);

		break;

	case ECamActiveImageCapture:

		iOwner->ImageCaptureCallBackL(wError);

		break;

		}

	iOperation = ECamActiveIdle;

	}

void CWebCameraActive::DoCancel()

	{

	}

void CWebCameraActive::ConstructL()

	{

	}

/** 

Asynchronous function that performs any required initialisation and reserves

the camera for exclusive use.

Calls CWebCamera::ReserveCallBack when complete. 

*/

void CWebCameraActive::Reserve()

	{

	iOperation = ECamActiveReserve;

	//Because there is not a camera device, I do not handle it

	TRequestStatus* status = &iStatus;

	User::RequestComplete(status, KErrNone);

	SetActive();

	}

/** 

Asynchronous method to switch on camera power.

User must have successfully called Reserve() prior to calling this function.

Calls CWebCamera::PowerOnCallBack when power on is complete. 

*/

void CWebCameraActive::PowerOn()

	{

	iOperation = ECamActivePowerOn;

	//Because there is not a camera device, I do not handle it

	iDriver.PowerOn(iStatus);

	SetActive();

	}

/** 

Cancels the asynchronous still image capture. 

Calls CWebCamera::ImageCaptureCallBackL when capture is complete. 

* @param aDes descriptor to store a capture image

*/

void CWebCameraActive::ImageCapture(TInt& aChunkSize)

	{

	iOperation = ECamActiveImageCapture;

	// start capture image

	// The division transfer is going to support in the next version. 

	iDriver.Capture(iStatus, aChunkSize);

	SetActive();

	}

/** 

Cancels the asynchronous still image capture. 

@see CWebCamera::CancelCaptureImage

*/

void CWebCameraActive::CancelCaptureImage()

	{

	iOperation = ECamActiveIdle;

	iDriver.CaptureCancel();

	SetActive();

	}