/*

* Copyright (c) 2007 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:  Emulator version of CCamera*

*/

#ifndef CAMCAMERACALLBACK_H

#define CAMCAMERACALLBACK_H

//  INCLUDES

#include <e32base.h>

#include <fbs.h>

class CCameraappTestBitmapManager; 

class MCameraObserver;

class CCamCameraCallBack : public CActive

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CCamCameraCallBack* NewL( MCameraObserver& aController );

        /**

        * Destructor.

        */

        virtual ~CCamCameraCallBack();

    public: // Functions from CActive

        // void Cancel();

    public: // New Methods

        /**

        * Complete reserve request.

        */

        void ReserveCompleteRequest( const TInt aError );

        /**

        * Complete power-on request.

        */

        void PowerOnCompleteRequest( const TInt aError );

        /**

        * Prepare for Still capture

        */

        void StillPrepareComplete();

        /**

        * Initiate Still Image Capture

        */

        void SendViewFinderFrames();

        /**

        * Stop Sending View Finder Frames

        */

        void StopViewFinderFrames();

        /**

        * Capture Image and Call MCameraObserver::ImageReady .

        */

        void RequestCaptureImage();

    private: // New Methods

        /*

        * Constructor

        */ 

        CCamCameraCallBack( MCameraObserver& aController );

        // 2nd phase constructor

        void ConstructL( );

        // We call SetActive and check the handling of all requests

        void SetActiveAndCompleteRequest();

        // Complete Reserve request by calling MCameraObserver::ReserveComplete

        void DoReserveComplete();

        // Complete Reserve request by calling MCameraObserver::PowerOnComplete

        void DoPowerOnComplete();

        void DoStillPrepareComplete();

        // Transfer view finder frames request by calling MCameraObserver::ViewFinderFrameReady

        void DoViewFinderFrame();

        // Complete Reserve request by calling MCameraObserver::ImageReady

        void DoCaptureImageL();

        void Reset();

        /**

        * Cancels the active object

        */

        void DoCancel();

        /*

        * All requests are handled one by one in this method 

        */

        void RunL();

    private:

        MCameraObserver& iController;

        CCameraappTestBitmapManager* iBitmapManager;

        // Request complete status flags

        TBool iStillPrepareComplete;

        TBool iReserveComplete;

        TBool iPowerOnComplete;

        TBool iCaptureImage;

        TBool iViewFinderFrame;

        // Errors caused during request

        TInt iReserveError;

        TInt iPowerOnError; 

    };

#endif      // CAMCAMERACALLBACKACTIVE_H