/*

 * Name        : Camera.h

 * Description : Camera helper class

 * Project     : This file is part of OpenMAR, an Open Mobile Augmented Reality browser

 * Website     : http://OpenMAR.org

 *

 * Copyright (c) 2010 David Caabeiro

 *

 * All rights reserved. This program and the accompanying materials are made available 

 * under the terms of the Eclipse Public License v1.0 which accompanies this 

 * distribution, and is available at http://www.eclipse.org/legal/epl-v10.html

 *

 */

#ifndef CAMERA_H_

#define CAMERA_H_

#include <ECam.h>

class CFbsBitmap;

/**

 * @brief Wrapper class over CCamera

 * 

 * Implemented to use the minimum frame size 

 */

class CDigitalCamera : public CBase, 

            public MCameraObserver,

            public MCameraObserver2

{

public:

    class MObserver

    {

    public:

        virtual void CameraReady(TInt aError) = 0;

        virtual void CameraFrame(CFbsBitmap& aFrame) = 0;

        virtual void FocusReady(TInt aError) = 0;

    };

public:

    static CDigitalCamera* NewL(MObserver& aObserver);

    ~CDigitalCamera();

protected:

    CDigitalCamera(MObserver& aObserver);

    void ConstructL();

public:

    void Start();

    void Stop();

    void StartFocus();

    const TSize& ViewportSize() const { return iViewportSize; }

protected:

    // From MCameraObserver

    void ReserveComplete(TInt aError);

    void PowerOnComplete(TInt aError);

    void ViewFinderFrameReady(CFbsBitmap& aFrame);

    void ImageReady(CFbsBitmap* aBitmap, HBufC8* aData, TInt aError);

    void FrameBufferReady(MFrameBuffer* aFrameBuffer, TInt aError);

    // From MCameraObserver2

    void HandleEvent(const TECAMEvent& aEvent);

    void ViewFinderReady(MCameraBuffer& aCameraBuffer, TInt aError);

    void ImageBufferReady(MCameraBuffer& aCameraBuffer, TInt aError);

    void VideoBufferReady(MCameraBuffer& aCameraBuffer, TInt aError);

private:

    MObserver& iObserver;

    CCamera* iCamera;

    CCamera::CCameraAdvancedSettings* iCameraSetting;

    TSize iViewportSize;

};

#endif