/*

 * Name        : ARContainer.h

 * Description : 

 * 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 __ARCONTAINER_H__

#define __ARCONTAINER_H__

#include <coecntrl.h>

#include <coecobs.h>

#include <AknButton.h>

#include "POIOverlay.h"

#include "Camera.h"

#include "Screenshot.h"

class CAknView;

/**

 * @brief AR control class

 * 

 * This class provides the basic view and is in charge of initializing the camera, 

 * which dictates the refresh rate of the overlays

 */

class CARContainer : public CCoeControl,

            public MCoeControlObserver,

            public MCoeForegroundObserver,

            public CDigitalCamera::MObserver,

            public CScreenshot::MObserver

{

public:

    static CARContainer* NewL(CAknView& aView, const TRect& aRect);

    ~CARContainer();

private:

    CARContainer(CAknView& aView);

    void ConstructL(const TRect& aRect);

    void CreateButtonGroupL();

    void DeleteButtonGroup();

    static TInt SensorStart(TAny* aPtr);

    void DoSensorStart();

    static TInt SensorStop(TAny* aPtr);

    void DoSensorStop();

    void ScreenshotStartL();

    void ScreenshotStop();

protected:

    void SizeChanged();

    void HandlePointerEventL(const TPointerEvent& aPointerEvent);

    void HandleResourceChange(TInt aType);

    void Draw(const TRect& aRect) const;

    TInt CountComponentControls() const;

    CCoeControl* ComponentControl(TInt aIndex) const;

protected:

    // From MCoeControlObserver

    void HandleControlEventL(CCoeControl* aControl, TCoeEvent aEventType);

    // From MCoeForegroundObserver

    void HandleGainingForeground();

    void HandleLosingForeground();

    // From CDigitalCamera::MObserver

    void CameraReady(TInt aError);

    void CameraFrame(CFbsBitmap& aFrame);

    void FocusReady(TInt aError);

    // From CScreenshot::MObserver

    void ScreenshotReadyL(TInt aError, const TDesC& aFilename);

private:

    CAknView& iView;

    CAknButton* iScreenshotButton;

    CFbsBitmap* iBitmap;

    CFbsBitmapDevice* iBitmapDevice;

    CFbsBitGc* iBitmapContext;

    enum TButtonId {

        EScreenshot,

        ETotal

    };

private:

    RPointerArray<OpenMAR::CPOIOverlay> iOverlayList;

    CDigitalCamera* iCamera;

    CScreenshot* iScreenshot;

    CIdle* iSensorTask;

};

#endif // __ARCONTAINER_H__